query: when did the us stop using leaded gas

pos: Tetraethyllead Griffon to reach high horsepower ratings at altitude. In military aviation, TEL manipulation allowed a range of different fuels to be tailored for particular flight conditions. In 1935 the licence to produce TEL was given to I.G.Farben, enabling the newly formed German Luftwaffe to use high-octane gasoline. A company, Ethyl GmbH, was formed that produced TEL at two sites in Germany with a government contract from 10 June 1936. In most industrialized countries, a phaseout of TEL from road vehicle fuels was completed by the early 2000s because of concerns over air and soil lead levels and the accumulative neurotoxicity

pos: Environmental issues in Bulgaria acid rain; and soil contamination by heavy metals resulting from improper industrial waste disposal. In the 1990s and early 2000s, a rapid increase in motor vehicles using leaded fuel exacerbated urban air pollution. The agency responsible for protection against all forms of environmental pollution is the Ministry of Environment and Water. The prospect of membership in the European Union (EU) is expected to raise Bulgaria’s environmental standards. Environmental issues in Bulgaria Like other countries in the Soviet sphere of influence, Bulgaria strongly emphasized heavy industry and intensive agriculture but did not mitigate the environmental consequences of such a policy. As

neg: Subaru Leone introduced to the United States in 1972. In 1976 the EA63 engine was replaced with the 1.6 liter EA71 engine. The EA71 engine was originally installed in cars equipped with automatic transmission but eventually supplanted the EA63 across the entire range of vehicles in the US and Australia. Using Subaru's new SEEC-T technology meant that a catalytic converter was not necessary, lowering cost and enabling the use of leaded fuel. Power in 49-state (US) trim was at 5200 rpm (two horsepower less in California), although drivability and gas mileage suffered distinctly from the emissions equipment. The Wagon was also available

neg: Garden tool the human body when used. The most efficient tools keep the body in a neutral position to help reduce the stress on joints and muscles. An advantage of this approach is it requires gardeners to exert less energy whilst using the tools. Some modern patents like US 7,832,125 show an example without hand stop provisions. The first power tool to become popular with gardeners was the lawn mower. This has been followed by a very wide range of power tools, including" The exhaust fumes from gas-powered equipment is a significant source of air pollution. US emission standards specifically limit emissions

neg: Filling station in cars designed for leaded fuel are available at most filling stations. In Canada, the most commonly found octane grades are 87 (regular), 89 (mid grade) and 91 (premium), using the same "(R+M)/2 Method" used in the U.S. (see below). In China, the most commonly found octane grade is RON 91 (regular), 93 (mid grade) and 97 (premium). Almost all of the fuel has been unleaded since 2000. In some premium gas stations in large cities, such as Petrol China and SinoPec, RON 98 gas is sold for racing cars. In Europe, gasoline is unleaded and available in 95 RON

neg: Equivalent air depth Bühlmann 1986 table (0–700 m) allows 20 minutes bottom time without requiring a decompression stop. While at 20 metres the no-stop time is 35 minutes. This shows that using EAN36 for a 27-metre dive can give a 75% increase in bottom time over using air. US Navy tables have also been used with equivalent air depth, with similar effect. The calculations are theoretically valid for all Haldanean decompression models. Equivalent air depth The equivalent air depth (EAD) is a way of approximating the decompression requirements of breathing gas mixtures that contain nitrogen and oxygen in different proportions to those in

neg: Criticism of NASCAR 1970s, when catalytic converters were required to be installed on new cars, making unleaded fuel a requirement (leaded fuel will destroy a catalytic converter). The sale of leaded fuel has been mostly banned in the US since 1996, but exemptions exist for auto racing, aircraft, farm and marine equipment. NASCAR eventually took steps to eliminate the need for leaded fuels. In 1998, NASCAR and then-fuel supplier Tosco (Now ConocoPhillips, the company that produces the Union 76 brand of fuel) conducted an unsuccessful test of unleaded fuel in selected Busch Series races. In July 2006, in the first in a four-week

neg: Gasoline adding 2.5% aniline to 100-octane avgas. By this time the Rolls-Royce Merlin 66 was developing 2,000 hp using this fuel. Almost all countries in the world have phased out automotive leaded fuel. In 2011, six countries were still using leaded gasoline: Afghanistan, Myanmar, North Korea, Algeria, Iraq and Yemen. It was expected that by the end of 2013 those countries, too, would ban leaded gasoline, but this target was not met. Algeria replaced leaded with unleaded automotive fuel only in 2015. Different additives have replaced the lead compounds. The most popular additives include aromatic hydrocarbons, ethers and alcohol (usually ethanol

neg: Multi-leaded power package be required to electrically isolate the component from the heatsink if the heatsink is grounded or otherwise non-isolated. The material used to electrically isolate the multi-leaded power package, like mica, needs to have a high thermal conductivity. In applications where vertical clearance is at a premium (such as ISA cards in computers), it is often feasible to bend the leads at a right angle and mount the component flat to the printed wiring board using a screw and nut. This often provides enough surface area to heatsink the component when power dissipation is moderately high. Multi-leaded power package One well-known

neg: Multi-leaded power package Multi-leaded power package One well-known STMicroelectronics brand of this type of package is Multiwatt. Multi-leaded power packages are heatsinkable, and thus can be used in projects where a large amount of power is being drawn. The top of the package has a metal tab with a hole used in mounting the component to a heatsink. Thermal compound is also used to provide greater heat transfer. The metal tab is often connected electrically to the internal circuitry, ground and supply connection are common. This does not normally pose a problem when using isolated heatsinks, but an electrically-insulating pad or sheet may

neg: Trans-Am Series a checkered flag, signifying the end of the race. All winning drivers, as well as second and third-place finishers (plus any award winners announced over the official race control frequency) are required to attend the Winner's Circle ceremonies at the victory podium/rostrum. Trans Am Series racecars carry enough fuel to run the entire race non-stop, making each race a 100-mile sprint that is a test of driver skill and competitiveness. Current rules allow for TA class cars to use leaded (112 Octane) or unleaded (100 Octane) gasoline. All other classes must use unleaded gas. ("All fuel is supplied exclusively by

neg: Internal combustion engine cooling built for the war effort (no civilian cars were built during that time) were equipped with carbon-seal water pumps that did not leak and caused no more geysers. Meanwhile, air cooling advanced in memory of boiling engines... even though boil-over was no longer a common problem. Air-cooled engines became popular throughout Europe. After the war, Volkswagen advertised in the USA as not boiling over, even though new water-cooled cars no longer boiled over, but these cars sold well. But as air quality awareness rose in the 1960s, and laws governing exhaust emissions were passed, unleaded gas replaced leaded gas and

neg: Parliament Buildings (Barbados) 7 May. A separate mezzanine floor was established for the Public Gallery. A sound and vision system was also installed. New furniture, made exclusively of Barbadian mahogany wood was also heralded. The stained glass windows to the chamber were also re-leaded and otherwise restored. The walls (formerly plastered) were stripped and grouted and otherwise restored to display their natural sawn Barbadian limestone look. New lighting was also upgraded using the purely decorative original gas chandeliers which are still in place; in September 1988 renovations of the Senate Chamber commenced using the same applications as in the work for the House

neg: Vehicle emissions control for 1975 model year, as well as the increase in fuel usage, forced the invention of the catalytic converter for after-treatment of the exhaust gas. This was not possible with existing leaded gasoline, because the lead residue contaminated the platinum catalyst. In 1972, General Motors proposed to the American Petroleum Institute the elimination of leaded fuels for 1975 and later model year cars. The production and distribution of unleaded fuel was a major challenge, but it was completed successfully in time for the 1975 model year cars. All modern cars are now equipped with catalytic converters, and leaded fuel is

neg: Golden Arrow (comics) Golden Arrow (comics) Golden Arrow is a fictional character who had his own strip in Fawcett Comics' "Whiz Comics" comic book series, from 1940 to 1953. The hero was originally Roger Parsons, the son of inventor Paul Parsons, who had developed a new type of gas for transportation by balloon. A greedy competitor, Brand Braddock, plotted to stop Mr. Parsons, and did so by shooting down a balloon Parsons was using to test the formula. Mr. Parsons, his wife Gloria, and his son Roger were all aboard the balloon. The two adults died when the balloon crashed in a sparsely

neg: 2018 missile strikes against Syria allow an independent investigation into the gas attack led by the United Nations. US President Donald Trump announced the strikes in a televised address, arguing they were part of the effort to stop Assad from using chemical weapons, and said the US was "prepared to sustain this response" until this was achieved. Dana W. White, The Pentagon Chief Spokesperson, said "this operation does not represent a change in US policy or an attempt to depose the Syrian regime". "The New York Times" reported the reactions initially broke among partisan lines, with members of the Republican Party—the party of President Donald

neg: The Possum Drop that could result from defying PETA's request as they had originally planned to do. PETA did not object to using an already dead animal. The North Carolina legislature passed a law in 2013 to expressly allow the commission to issue such permits, and the Brasstown event resumed in 2014 Thousands local residents and from all over the US signed petitions to stop this event using a live opossum. Brasstown received more national attention for the 2015 New Year Possum Drop when PETA again filed a motion to prevent Clay Logan from obtaining a capture permit; Logan had already decided, due

neg: San Diego–Tijuana also the principle plant in Baja California. The region was able to reduce levels of air pollution substantially when the conversion to a natural gas fired electrical generation facility was completed. In the Baja California subregions, unleaded gasoline has also replaced leaded fuel as means for transportation, helping regional air quality. The new strategies also included plans that worked with the nearby capital of Mexicali, where the pipeline shared between the two states was constructed to supply natural gas to its metropolitan area with energy supplied by Sempra and Proxima. Sempra Energy has been applauded for its initial development of

neg: Thalmann algorithm Thalmann algorithm The Thalmann Algorithm (VVAL 18) is a deterministic decompression model originally designed in 1980 to produce a decompression schedule for divers using the US Navy Mk15 rebreather. It was developed by Capt. Edward D. Thalmann, MD, USN, who did research into decompression theory at the Naval Medical Research Institute, Navy Experimental Diving Unit, State University of New York at Buffalo, and Duke University. The algorithm forms the basis for the current US Navy mixed gas and standard air dive tables. The Mk15 rebreather supplies a constant partial pressure of oxygen of with nitrogen as the inert gas. Prior

neg: Antiknock agent The typical antiknock agents in use are: In the U.S., where tetraethyllead had been blended with gasoline (primarily to boost octane levels) since the early 1920s, standards to phase out leaded gasoline were first implemented in 1973. In 1995, leaded fuel accounted for only 0.6% of total gasoline sales and less than 2,000 tons of lead per year. From January 1, 1996, the Clean Air Act banned the sale of leaded fuel for use in on-road vehicles in the United States. Possession and use of leaded gasoline in a regular on-road vehicle now carries a maximum US$10,000 fine in the

neg: Skinquarter, Virginia fourth building to be occupied by the church but it has kept the name Skinquarter continuously. It was a stop on the Farmville and Powhatan Railroad from 1884 to 1905 and then on the Tidewater and Western Railroad from 1905 to 1917. In 1926, a few years after the railroad was sold, a gas station for automobiles and store, Hart's Place, was built here, possibly at the site of the Railroad Station. In 1891 the train did not always stop but a Railway post office, a mail car on the Farmville and Powhatan, dropped off and picked up mail using

neg: Bartlett Pond (Plymouth, Massachusetts) In a study conducted by University of Massachusetts-Amherst in 2013 and again in 2014, X-ray fluorescence data shows slightly higher abundance of lead and zinc within the upper 50 centimeters of sediment cores taken out of the pond. These elements are common in the shallowest sediments of many ponds throughout the Northeast US, left behind by industrial pollution and leaded gas emissions. The elements strontium and calcium are associated with seawater, sand, and small fragments of shells and reefs washed ashore during large storms. X-ray fluorescence shows spikes in both elements at certain points associated with layers of sand in

neg: Amoco purchasing operations became Stanolind Crude Oil Purchasing Company. The pipeline company headquarters were located in the Philcade building in Tulsa, Oklahoma. In 1957, all of the corporation's pipeline activities were merged into a single entity, which was named Service Pipeline Company. While most oil companies were switching to leaded gasolines en masse during the mid-to-late 1920s, American Oil chose to continue marketing its premium-grade "Amoco-Gas" (later Amoco Super-Premium) as a lead-free gasoline by using aromatics rather than tetraethyllead to increase octane levels, decades before the environmental movement of the early 1970s led to more stringent auto-emission controls which ultimately mandated

neg: Standard cubic foot Standard cubic foot A standard cubic foot (scf) is a unit used both in the natural gas industry to represent an amount of natural gas and in other industries where other gases are used. It is the unit commonly used when following the US Customary System, a collection of standards set by the US National Institute of Standards and Technology. Another unit used for the same purpose is the standard cubic meter, customary when using SI units. A standard cubic foot defines a standard unit of molecular quantity for gases, and not of volume, as the name suggests. In spite

neg: Standard cubic foot (assuming we have 13.6 psi atmospheric pressure and ignoring super compressibility) Standard cubic foot A standard cubic foot (scf) is a unit used both in the natural gas industry to represent an amount of natural gas and in other industries where other gases are used. It is the unit commonly used when following the US Customary System, a collection of standards set by the US National Institute of Standards and Technology. Another unit used for the same purpose is the standard cubic meter, customary when using SI units. A standard cubic foot defines a standard unit of molecular quantity for

neg: Arlington, Missouri stream-fed swimming pool, a restaurant, service station and bus stop, offering tennis, dancing, boating and fishing. By 1946, the town was in decline due to re-routing of a widened US 66; the town site was purchased that year by R. E. Carney. The original 1923 US 66 road bridge, bypassed when the road was widened to four lanes in 1952, was demolished when Interstate 44 bypassed the town in 1966-1967, leaving the original two-lane US 66 a dead end. Most of the Stony Dell Resort was lost to demolition during freeway construction; the restaurant, archway, the fish pond, the gas,

neg: Jim Detwiler carries—all in the first half. The Wolverines won, 17-3, and Detwiler later recalled: "We knew after the first two series that we were the better team. They couldn't stop us, and they couldn't do much against us. But I'll tell you what: That game got me a pro contract." As for why he did not play in the second half, Detwiler recalled: "I ran the ball more times in the first half than I had ever run it before, but I ran out of gas. The coach very kindly told the media that I had the flu. I actually was

neg: Ezra Meeker Mansion sculptures. Gaslights were used throughout. The house has interior plumbing with marble fixtures and tin bathtubs. Leaded, stained glass windows are framed with ash and walnut. Wooden partitions made four small rooms for fruit, dairy, and possibly a fuel and storage room. Gas lights were in the basement. The main floor consisted of the drawing room, parlor, library, a bathroom, dining room, kitchen, pantry, hallway, and sun porch. The drawing room has teakwood flooring. The parlor has cedar paneling and the library has redwood. The hallway had the main entrance, consisting of double doors of walnut with panels of leaded,

neg: Thomas Midgley Jr. of violence and criminality in cities. "Time magazine" included both leaded gasoline and CFCs on its list of "The 50 Worst Inventions". Midgley died three decades before the ozone-depleting and greenhouse gas effects of CFCs in the atmosphere became widely known. In 1987, the Montreal Protocol phased out the use of CFCs like Freon. Thomas Midgley Jr. Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer. He played a major role in developing leaded gasoline (Tetraethyllead) and some of the first chlorofluorocarbons (CFCs), better known by its brand name Freon; both products

neg: Gasoline the end of production for cars using leaded gasoline in member states. At this stage, a large percentage of cars from the 1980s and early 1990s which ran on leaded gasoline were still in use, along with cars which could run on unleaded fuel. However, the declining number of such cars on British roads saw many gasoline stations withdrawing LRP from sale by 2003. Methylcyclopentadienyl manganese tricarbonyl (MMT) is used in Canada and Australia to boost octane rating. It also helps old cars designed for leaded fuel run on unleaded fuel without the need for additives to prevent valve problems.

neg: Barnett Shale Commission. From 2002 to 2010 the Barnett was the most productive source of shale gas in the US; it is now third, behind the Marcellus Formation and the Haynesville Shale. In January 2013, the Barnett produced 4.56 billion cubic feet per day, which made up 6.8% of all the natural gas produced in the US. The field was discovered in 1981 when Mitchell Energy drilled and completed the C. W. Slay #1 near Newark, Texas, in Wise County. The well was drilled vertically, completed with a nitrogen foam frac, and did not produce enough gas to cause any excitement. Despite

neg: Clean Air Act (United States) standards for new motor vehicles or motor vehicle engines. The last few sub chapters deal with high altitude performance adjustments, motor vehicle compliance program fees, prohibition on production of engines requiring leaded gasoline and urban bus standards. This part of the bill was extremely controversial the time it was passed. The automobile industry argued that it could not meet the new standards. Senators expressed concern about impact on the economy. However the stricter standards led to the creation of the catalytic converter, which was a revolutionary development. (Coincidentally, these converters didn't work well with leaded gas, which contributed to the

neg: Hunter Baillie Memorial Presbyterian Church and upper storeys together with the spire's dormer windows are of leaded tinted glass. The windows of the bell chamber are fitted with wooden louvres. Aisle, clerestorey, transept, vestry and western porch windows are of leaded geometric coloured glass. The designs of the pointed arches of the nave and apsidal arches of the transepts are possibly contrived freehand rather than by geometry. Gas brackets in brass encircle the capitals of columns in the nave and have bands decorated with Scotch thistles and Greek crosses. The Collins and Johnston Street perimeters are fenced in Pyrmont sandstone with a rusticated base and

neg: Center for Environmental Health problems for women and children living near fracking sites. Due to lead pollution risks, the use of leaded auto gas began to be phased out in the mid-1970s. But most small airplanes, including piston-engine aircraft and some smaller jets, still run on leaded fuel, known as "avgas." In December 2014, CEH reached legal agreements with 26 avgas providers in California requiring them to not use or sell gasoline with a lead content greater than 0.56 grams per liter, which is significantly lower than many fuel mixes. The settlement called on the companies to sell avgas "with the lowest concentration of

neg: Environmental issues in Georgia is virtually non-existent. WHO and IEA provides a data that shows Georgia having the most deaths attributed to air pollution, compared to other countries. Until 2000, Georgia used leaded fuel in most of their transportation system. Soviet auto models can run on low octane gasoline; European models run superior around higher-octane gas. A way to increase a fuel's octane level is to add lead. Majority of road vehicles (total number of vehicles approx. 323614) in Georgia today both public and private is of 15–20 years old. Many older cars require leaded petrol because the lead lubricates and protects the soft

neg: Oil sands gas, but the capital cost is very high. Shortages of natural gas for project fuel were forecast to be a problem for Canadian oil sands production a few years ago, but recent increases in US shale gas production have eliminated much of the problem for North America. With the increasing use of hydraulic fracturing making US largely self-sufficient in natural gas and exporting more natural gas to Eastern Canada to replace Alberta gas, the Alberta government is using its powers under the NAFTA and the Canadian Constitution to reduce shipments of natural gas to the US and Eastern Canada, and

neg: Free Public Library of Petaluma the decades, the building served as a Carnegie Free Library until 1976. In 1988, it was listed on the National Register of Historic Places. It is now a historical museum with research library. Construction began in 1904 in the Classical Revival architectural style using quarried stone from Stony Point. The entrance is two-storied, with pediments and columns. The interior includes a vaulted ceiling, leaded glass skylight, and wood paneling. There are fan-glass windows, round leaded-glass windows, and a leaded glass dome which is the largest free-standing one in Northern California. The Hoppy Hopkins Memorial Research Library, named after local historian

neg: Great Lakes Chemical Corporation plants. Great Lakes Chemical's involvement in the bromine business has its roots in leaded gasoline. When tetraethyl lead (TEL) was invented as a gasoline additive back in the 1920s, it was found to leave a corrosive byproduct in the engine. Adding ethylene dibromide (EDB) to TEL solved the problem. As leaded gasoline began to be phased out in the U.S., Great Lakes developed international markets for its products. Globalization of leaded gasoline makes TEL responsible for nearly 90 percent of airborne lead pollution in Third World cities. Some EDB in leaded gasoline converts to methyl bromide when burned. The World

neg: Tetraethyllead of lead. The use of catalytic converters, mandated in the US for 1975 and newer model-year cars to meet tighter emissions regulations, started a gradual phase-out of leaded gasoline in the US. The need for TEL was lessened by several advances in automotive engineering and petroleum chemistry. Safer methods for making higher-octane blending stocks such as reformate and iso-octane reduced the need to rely on TEL, as did other antiknock additives of varying toxicity including metallic compounds such as methylcyclopentadienyl manganese tricarbonyl (MMT) as well as oxygenates including methyl "tert"-butyl ether (MTBE), "tert"-amyl methyl ether (TAME), and ethyl "tert"-butyl ether

neg: Natural gas in the United States other gas fields, called "dry gas" fields, produce only gas. Of the top ten gas-producing fields in the US, only one, the Eagle Ford trend, is also among the top ten oil fields. Coalbed methane production in the US peaked at 1.97 BCF in 2008, when it made up 7.8 percent of US gas production. By 2013, coalbed methane production had declined to 1.47 BCF. Since 2000, shale gas has become a key source of natural gas in the US. Production rose sixfold from 2007 to 2013, when shale gas contributed 11.4 TCF, 38 percent of US gas production, and

neg: One Million Years B.C. dye transfer Technicolor. The US version was cut by 9 minutes, printed in DeLuxe Color, and released in 1967. Like the original film, this remake is largely ahistorical. It portrays dinosaurs and humans living at the same point in time; according to the geologic time scale, the last non-avian dinosaurs became extinct 66 million years ago, and modern humans, "Homo sapiens", did not exist until about 200,000 years BC. Ray Harryhausen, who animated all of the dinosaur attacks using stop motion techniques, commented on the US "King Kong" DVD that he did not make "One Million Years B.C." for "professors...

neg: Gasoline gallon equivalent ft of CNG and 115,000 BTU/gal of gasoline. Using Boyle's law, the equivalent GGE at is 0.51 cubic foot (14.4 L or 3.82 actual US gal). The National Conference of Weights & Measurements (NCWM) has developed a standard unit of measurement for compressed natural gas, defined in the NIST Handbook 44 Appendix D as follows: "1 Gasoline [US] gallon equivalent (GGE) means 2.567 kg (5.660 lb) of natural gas." When consumers refuel their CNG vehicles in the USA, the CNG is usually measured and sold in GGE units. This is fairly helpful as a comparison to gallons of gasoline. 1.5

neg: Chemical warfare British Prime Minister, issued a memorandum advocating a chemical strike on German cities using poison gas and possibly anthrax. Although the idea was rejected, it has provoked debate. In July 1944, fearing that rocket attacks on London would get even worse, and saying he would only use chemical weapons if it were "life or death for us" or would "shorten the war by a year", Churchill wrote a secret memorandum asking his military chiefs to "think very seriously over this question of using poison gas." He stated "it is absurd to consider morality on this topic when everybody used it

neg: History of electricity supply in Queensland horizontal single cylinder heavy diesel fuel engines with drip lubrication. Others used more familiar types. The power station in Roma was first set up using Ruston & Hornsby and Blackstone and Mirrlees 12 and 16 cylinder diesel engines. As demand grew, a turbine modified from a 707 jet engine was installed to supplement peak load. When the Roma gas fields were developed, all these engines were modified to run on dual fuel. When the gas flow was insufficient for the engines' needs, they ran on natural gas, but when the flow faltered, as it often did, the engines would automatically

neg: Methylcyclopentadienyl manganese tricarbonyl Methylcyclopentadienyl manganese tricarbonyl Methylcyclopentadienyl manganese tricarbonyl (MMT or MCMT) is an organomanganese compound with the formula (CHCH)Mn(CO). Initially marketed as a supplement for use in leaded gasoline, MMT was later used in unleaded gasoline to increase the octane rating. Following the implementation of the Clean Air Act (United States) (CAA) in 1970, MMT continued to be used alongside tetraethyl lead (TEL) in the US as leaded gasoline was phased out (prior to TEL finally being banned from US gasoline in 1995), and was also used in unleaded gasoline until 1977. Ethyl Corporation obtained a waiver from the U.S. EPA (Environmental

neg: Forever Now (The Psychedelic Furs album) Your Shadow". In May 1983, shortly after the tour's conclusion, "Run and Run" was selected to be the second US single (backed by a live version of "President Gas") but it did not enter the charts. "Forever Now" was reissued in the US and UK in 2002 by Columbia/Legacy. As with the simultaneous reissues of "The Psychedelic Furs" and "Talk Talk Talk", this release used the original UK album cover art (though using the original US release track listing). The CD included six songs previously unavailable on album: "Aeroplane", "Alice's House", "I Don't Want to Be Your Shadow", an alternative

neg: Memorial to the Murdered Jews of Europe B gas used to poison people in the gas chambers. At first these articles did not receive much attention, until the board of trustees managing the construction discussed this situation on October 23 and, after turbulent and controversial discussions, decided to stop construction immediately until a decision was made. Primarily it was representatives of the Jewish community who had called for an end to Degussa's involvement, while the politicians on the board, including Wolfgang Thierse, did not want to stop construction and incur further expense. They also said it would be impossible to exclude all German companies involved in the

neg: John J. Mooney and Policy Institute, Mooney has worked with the Partnership for Clean Fuels and Vehicles of the United Nations Environment Programme to help end the use of leaded gasoline throughout the world. As of 2002, there were 51 countries in Sub-Saharan Africa in which leaded gasoline was still in use. By responding to issues of valve seat recession, and showing that lead in gasoline did not help solve the problem, Mooney was part of an effort that had 50 of these 51 countries in Africa ban leaded gasoline by the end of 2006. He retired from Engelhard in 2003, having spent

neg: Frederick Banting helped Wilbur Franks with the invention of the G-suit to stop pilots from blacking out when they were subjected to g-forces while turning or diving. Another of Banting's projects during the Second World War involved using and treating mustard gas burns. Banting even tested the gas and antidotes on himself to see if they were effective. Banting developed an interest in painting beginning around 1921 while he was in London, Ontario. Some of his first pieces were done on the back of the cardboard in which his shirts were packed by the dry-cleaners. He became friends with The Group of

neg: Robert A. Kehoe toxicity, Kehoe's laboratory dominated the scene for decades, attesting to the safety of leaded gasoline and deconstructing any criticism. The credibility of Kehoe's research was bolstered for decades by the support of the US Public Health Service and American Medical Association. Using the Kehoe Rule, Ethyl Corporation was a winner in either situation: if its product was actually safe, Ethyl would be seen as a responsible party. If, however, its product was unsafe, it would take decades to demonstrate that with certainty. The process of getting to certainty could be prolonged by challenging the methods and results and calling for

neg: Lewis gun enough differences existed to stop them being completely interchangeable, although this was rectified by the time of the Second World War. The major difference between the two designs was that the BSA weapons were chambered for .303 British ammunition, but the Savage guns were chambered for .30-06 cartridges, which necessitated some difference in the magazine, feed mechanism, bolt, barrel, extractors, and gas operation system. Savage did make Lewis guns in .303 British calibre, though. The Model 1916 and Model 1917 were exported to Canada and the United Kingdom, and a few were supplied to the US military, particularly the Navy.

neg: Pyle stop low enough to ensure that the tissues are mostly off-gassing inert gas, although under a very small pressure gradient. This combination is expected to inhibit bubble growth. The leading compartment is generally not the fastest compartment except in very short dives, for which this model does not require an intermediate stop. For decompression dives, the existing obligation is not increased during the PDI stop. Pyle stop A Pyle stop is a short decompression stop at depths well below the first decompression stop mandated by a conventional dissolved phase decompression algorithm, such as the US Navy or Bühlmann decompression algorithms. They

neg: Sidoarjo Regency Porong District have been displaced by the hot mud flowing from a natural gas well being drilled by Lapindo Brantas, an oil well company that is part of a conglomerate owned by Coordinating Minister for the People's Welfare Aburizal Bakrie. Gas and hot mud started spewing from the well on May 28, when the drill penetrated a layer of liquid sediment. Attempts to pump concrete down the well did not stop the flow. While some scientists have speculated that the earthquake that struck Yogyakarta on May 27, the day before the well erupted, may have cracked the ground, creating potential

neg: The Forsaken (film) unable to reach the mission. They stop at a gas station where an old woman, Ina, lets them in. She shows them a newspaper connecting Megan to a bloodbath in Arizona; when Megan wakes up and is coherent enough to talk, she explains she was a victim of the vampires' bloodbath (led by Kit) and after Kit bit her he left Teddy to kill her, which she did not do. Kit and Cym then catch up to them and lay siege to the gas station. Sean discovers a graveyard outside and Ina explains that it is an old Spanish graveyard

neg: Simpsons Already Did It Kyle and Cartman drawn in "Simpsons" style, with Marge disapproving of Bart and Milhouse's apparent enjoyment of "cartoon violence", and the latter two contemplating about adults voicing children's characters. The 2009 "Simpsons" episode "O Brother, Where Bart Thou?" has Bart, Milhouse, Nelson and Ralph dressed up as, standing at the bus stop – similarly to the iconic bus stop scenes of "South Park" –, and Otto using the catchphrase "Oh my God! I killed Kenny!" when he hits Ralph (dressed as Kenny) driving the school bus. Simpsons Already Did It "Simpsons Already Did It" is the seventh episode of the

neg: Timeline of the Yemeni Revolution (January – 2 June 2011) march on a local presidential palace. The US called for Saleh to step down after Yemeni security forces killed at least seventeen people south of Sana'a, though it did not stop military aid for counterterrorism activities. On 6 April, thousands of people again took to the streets. In Khormaksar, Aden governorate, hundreds of students set up road blocks, demanding the release of people detained earlier in the day and calling for officials to be triad for massacres against protestors in Sana'a and Taiz. Security forces opened fire and shot tear gas in an attempt to disperse them. Hundreds of thousands

neg: Huot Automatic Rifle and do so. In firing 10,000 rounds through the Huot, Enfield uncovered fouling of the gas cylinder at 4,000 rounds, and the barrel worn out at 10,000. Since this example had already had some 11,000 rounds fired through it before coming into Enfield's hands, this is understandable. Using all varieties of Mark VII ammunition it would be likely to encounter (including K, KN, J, and US), they found the Huot had no major problems, though there were unexplained stoppages, and it did not require the specially chosen ammunition the Lewis did. Furthermore, the Huot proved able to fire 4,000 rounds

neg: Carbine and Colt Commando were being developed for use when mobility was essential and a submachine gun wasn't sufficiently powerful. The AKS-74U featured an extremely short 8.1" barrel which necessitated redesigning and shortening the gas-piston and integrating front sights onto the gas tube; the Colt Commando was a bit longer, at 11.5". Neither was adopted as standard issue, although the US did later adopt the somewhat-longer M4 carbine, with a 14.5" barrel. By the 1990s, the US had adopted the M4 carbine, a derivative of the M16 family which fired the same 5.56mm cartridge but was lighter and shorter (in overall

neg: Iran–Iraq War that the Defense Intelligence Agency "would have never accepted the use of chemical weapons against civilians, but the use against military objectives was seen as inevitable in the Iraqi struggle for survival". The Reagan administration did not stop aiding Iraq after receiving reports of the use of poison gas on Kurdish civilians. The United States accused Iran of using chemical weapons as well, though the allegations have been disputed. Joost Hiltermann, the principal researcher for Human Rights Watch between 1992 and 1994, conducted a two-year study that included a field investigation in Iraq, and obtained Iraqi government documents in the

neg: Adsorbed natural gas natural gas appliance. This compressor will solve the natural gas fueling infrastructure problem. Due to the significantly lower capital investment associated with lower compression requirements, CNG infrastructure will be more easily and cost-effectively added to the network of gas stations and truck stop. ANG technology also creates a market for compact, affordable, low-pressure CNG Home Refueling Appliances (HRA’s) that will allow consumers to fill their vehicles at home connecting directly to their utility gas line. Cenergy Solutions has introduced this home and business compressor to the US, Canadian and Mexican market. Ford Motor Company’s Fleet Sustainability and Technology Manager is

neg: When Did You Stop Loving Me, When Did I Stop Loving You When Did You Stop Loving Me, When Did I Stop Loving You "When Did You Stop Loving Me, When Did I Stop Loving You" is a 1978 song recorded by singer Marvin Gaye for his "Here, My Dear" album, following his 1976 divorce when he was ordered to give half the takings of his next album to ex-wife Anna Gaye. In the album, he "poured his emotions into songs agonisingly documenting their relationship's rise and fall." The song was a six-minute-long opus that has been considered the centerpiece of the "Here, My Dear" album. As if offering confessional testimony to

neg: Pyle stop to be harmful. Deep Stops are performed for 2–3 minutes, at depths where any extra nitrogen loading is likely to be small compared to the total gas load. During short deep dives it is the fast tissues that load up and may saturate with inert gas. The deep stop could reduce the saturation of those fast tissues, while the slower tissues are still in-gassing by a small amount. Some experimental work has shown reduced venous bubble counts after deep stops combined with the computed shallow stops in comparison with the shallow stops alone. US Navy experimental research at NEDU indicated

neg: Vertigo (Boxcar album) Vertigo (Boxcar album) Vertigo was a 1990 album by Australian electronic-synthpop group Boxcar released by Volition Records in Australia (voltcd24) and by Arista Records (ARCD8610) in the United States. The single "Freemason (You Broke The Promise)" in 1988 hit number 8 in the United States "Billboard" dance music chart. "Insect" (remixed by noted producer Arthur Baker) and "Gas Stop (Who Do You Think You Are?)" (remixed by Francois Kevorkian) both charted in the US but had little local impact – "Gas Stop" peaked at #82 on the ARIA singles chart. Revision was a 1992 remix album by Australian electronic-synthpop group

neg: Gas spring termed a "quick gas spring" and is used in the manufacture of air guns and recoil buffers. Reducing the gas volume and hence increasing its internal pressure by means of a movable end stop, or allowing one tube to slide over another, can allow the characteristics of a gas spring to be adjusted during operation. The rod may be hollow by use of clever seals or may consist of multiple small-diameter rods. A small amount of oil is normally present. The gas may be introduced by a Schrader-type valve, using a lip seal around the rod and forcing it to

neg: Charles F. Kettering lead, leaded gasoline has been widely banned since the late 1990s. The development of Freon using CFCs has been implicated in the depletion of the ozone layer. But during the first half of the twentieth century, most people, including Kettering and his colleagues, did not appreciate or fully understand the environmental degradation potential of their work. They were convinced that the lead concerns were negligible. They were not aware of the ozone layer depletion at the time. It took decades for the lessons to be learned. He developed the idea of Duco paint and helped develop diesel engines and ways

neg: Soviet withdrawal from Afghanistan – though mixed signals were sent by various US officials at and around time of the summit, Reagan could not agree to stop arms shipments immediately . In late 1987, when this US commitment was conveyed to the Soviet Union, negotiations came to a halt, but proceeded tentatively as the White House and Department of State continued to make contradictory statements on the issue. The issue dissipated when the Department of State suggested that an immediate cessation of US military aid could occur if the Soviets did the same (prior, the US had agreed to an asymmetric cessation of aid,

neg: Delhi of trees among Indian cities and the Delhi Transport Corporation operates the world's largest fleet of environmentally friendly compressed natural gas (CNG) buses. In 1996, the Centre for Science and Environment (CSE) started a public interest litigation in the Supreme Court of India that ordered the conversion of Delhi's fleet of buses and taxis to run on compressed natural gas (CNG) and banned the use of leaded petrol in 1998. In 2003, Delhi won the United States Department of Energy's first 'Clean Cities International Partner of the Year' award for its "bold efforts to curb air pollution and support alternative

neg: Diamond Shamrock and Kwik Stop Boycott Service representative. Meanwhile, the president of the Dallas NAACP chapter and Nation of Islam activists have vowed to continue protesting. Diamond Shamrock and Kwik Stop Boycott The Diamond Shamrock and Kwik Stop Boycott is a protest organized by the Nation of Islam against the Diamond Shamrock gas station in Dallas, Texas. Using the slogan Don't Stop, Don't Shop, the organization has picketed the Kwik Stop convenience store located at 1909 Martin Luther King, Jr. Blvd. since December 2011. The protest was organized after an incident in which the Korean owner of the convenience store refused to waive a $5 minimum

neg: Diamond Shamrock and Kwik Stop Boycott Diamond Shamrock and Kwik Stop Boycott The Diamond Shamrock and Kwik Stop Boycott is a protest organized by the Nation of Islam against the Diamond Shamrock gas station in Dallas, Texas. Using the slogan Don't Stop, Don't Shop, the organization has picketed the Kwik Stop convenience store located at 1909 Martin Luther King, Jr. Blvd. since December 2011. The protest was organized after an incident in which the Korean owner of the convenience store refused to waive a $5 minimum charge for debit card transactions for the African-American leader of the local Nation of Islam chapter, Jeffrey Muhammad, which was

neg: Diver communications sentences, and indicate when they have finished, and whether a response is expected. Like radio, this is done to ensure that the message has a fair chance of being understood, and the speaker is not interrupted. When more than one recipient is possible, the caller will also identify the desired recipient by a call up message, and will also usually identify themself. The surface caller should also give the diver a chance to temporarily suspend or slow down breathing, or stop using noisy equipment, as breathing noise generated by gas flow through the inlet and bubble noise from the exhaust

neg: Jackson, Mississippi drilling attempts came up empty. This failure did not stop Ella Render from obtaining a lease from the state's insane asylum to begin a well on its grounds in 1924, where he found natural gas. (Render eventually lost the rights when courts determined that the asylum did not have the right to lease the state's property.) Businessmen jumped on the opportunity and dug wells in the Jackson area. The continued success of these ventures attracted further investment. By 1930, there were 14 derricks in the Jackson skyline. Mississippi Governor Theodore Bilbo stated, it is no idle dream to prophecy that

neg: Tipton, Indiana more paved streets than any other city in the state. Highways RailRoads Historically, Tipton had no formal railroad. Around 1850, a railroad was located in the area and was described by a visitor as being "the worst railroad bed I had ever seen." The train would stop anywhere on the line and pick up people, not needing a proper station. It sometimes did not stop, moving slowly enough that people could jump onto it. The Tipton Light, Heat and Power Company was founded in 1888. Citizens' Gas Company as founded in 1892. Indiana Gas Light Company bought Citizens' in 1913.

neg: Baker, California had a stop located at a Jack in the Box restaurant and Shell gas station at 72352 Baker Blvd., and its Amtrak station code was BKR, but the stop was discontinued in November 2010. Low ridership and cost savings were cited as the reason for discontinuing the stop, but the Amtrak bus can still be seen driving down the freeway from the bus stop, even though it no longer stops. The Big Empty" Baker, California Baker is a census-designated place located in San Bernardino County, California, US. As of the 2010 census, the CDP had a total population of 735.

neg: Noise Won't Stop did stop. But, by god, you wish it hadn’t." Noise Won't Stop Noise Won't Stop is the third studio album by New York City electronica duo Shy Child. The album was the first by the band to be released in the UK, leading many to erroneously believe that it was the band's first album. The album was also released in the US and Japan. Reviews of the album have been generally positive. Pitchfork Media gave the album 8/10, stating "it's when Shy Child's grip on songcraft grows extremely tenuous that their music becomes interesting, even thrilling". Drowned in Sound expressed

neg: Hypercapnia down, resulting in respiratory acidosis. Clinically, the effect of hypercapnia on pH is estimated using the ratio of the arterial pressure of carbon dioxide to the concentration of bicarbonate ion, PCO/[HCO]. Normal respiration in divers results in alveolar hypoventilation resulting in inadequate CO elimination or hypercapnia. Lanphier's work at the US Navy Experimental Diving Unit answered the question, "Why don't divers breathe enough?": A variety of reasons exists for carbon dioxide not being expelled completely when the diver exhales: Skip breathing is a controversial technique to conserve breathing gas when using open-circuit scuba, which consists of briefly holding one's breath

neg: Robert A. Kehoe started gradually with the Industrial Revolution but had been markedly accelerated once leaded gasoline had entered the market. In a 1966 government hearing chaired by Senator Edmund Muskie, Kehoe stated that his laboratory "was the only source of new information (about lead exposure)" and "had wide influence (in the US and abroad) in shaping the point of view and activities... of those who are responsible for industrial and public hygiene". Because leaded gasoline had been found "safe" by the U.S. Surgeon General in the 1920s (see below), and ambient lead had been "demonstrated" through Kehoe's work to not constitute a

neg: Sir Thomas Bernard, 3rd Baronet time gas lighting was also being adopted, using gas made from coal. Gas lighting was cheaper than candles. Sir Thomas played a prominent part in the management of the troubled canal throughout his remaining years. In 1818 it was he who finally settled a long-running acrimonious dispute with William Agar of Elm Lodge, whose determined opposition and clever but awkward behaviour had frustrated the canal's construction. Sadly he died just a few weeks after his moment of greatest success when he had resolved this major difficulty by negotiation, so he did not live to see the canal completed. He was

neg: C. D. Howe ministers did as they wanted, and when Howe was accused by British Columbia Tory MP Howard Green in 1951 of being willing to end tariffs if the people would let him, Howe replied, "Who would stop us? Don't take yourself too seriously. If we wanted to get away with it, who would stop us?" Despite Avro Canada's success in producing the CF-100, Canada's first jet fighter for the Royal Canadian Air Force (RCAF), aircraft development had proven to be a time-consuming and expensive process. The projected next generation aircraft, Canada's first supersonic jet interceptor, the CF-105 Arrow, was a more

neg: Tower Commission and others were also implicated. Summarised, the main findings showed that "Using the Contras as a front, and against international law, and US law, weapons were sold, using Israel as intermediaries, to Iran, during the brutal Iran–Iraq War. The US was also supplying weapons to Iraq, including ingredients for nerve gas, mustard gas and other chemical weapons." Appendix B of the report opens with the line attributed to Juvenal, "Quis custodiet ipsos custodes?". President Ronald Reagan issued a primetime address on March 4, 1987 addressing the report's conclusions. Some individuals named in the report complained about how they were portrayed.

neg: Leadlight that emulates the lead came which is used in traditional pieces. Leadlight Leadlights, leaded lights or leaded windows are decorative windows made of small sections of glass supported in "lead cames". The technique of creating windows using glass and lead came is discussed at came glasswork. The term "leadlight" could be used to describe all windows in which the glass is supported by lead, but traditionally and correctly, a distinction is made between "stained glass" windows and "leadlights", the former being associated with the ornate painted images on windows of churches and other such works of architecture and the latter

neg: Leadlight Leadlight Leadlights, leaded lights or leaded windows are decorative windows made of small sections of glass supported in "lead cames". The technique of creating windows using glass and lead came is discussed at came glasswork. The term "leadlight" could be used to describe all windows in which the glass is supported by lead, but traditionally and correctly, a distinction is made between "stained glass" windows and "leadlights", the former being associated with the ornate painted images on windows of churches and other such works of architecture and the latter with the windows of vernacular commercial and domestic architecture and defined

neg: Walt Langendorfer Walt Langendorfer Walt Langendorfer from Rhino International Inc, was an American inventor. He designed a gas piston system in an effort to convert the AR-15 (M16) rifle to a more reliable operating system than the standard direct impingement system. More recently, the US Asymmetric Warfare Group purchased the Gas-Operated HK416, a M4/M16 type rifle made by Heckler & Koch using the short stroke gas piston system after intensive tests demonstrating the superiority of this system in adverse conditions (dust, sand, intensive use without maintenance) Many new gas piston systems are being proposed by US companies. All of them can be

neg: Ideal gas law I.e. Boyle did his experiments while keeping N and T constant and this must be taken into account. Keeping this in mind, to carry the derivation on correctly, one must imagine the gas being altered by one process at a time. The derivation using 4 formulas can look like this: at first the gas has parameters formula_41 Say, starting to change only pressure and volume, according to Boyle's law, then: formula_29 (7) After this process, the gas has parameters formula_43 Using then Eq. (5) to change the number of particles in the gas and the temperature, formula_37 (8) After this

neg: Clean Air Act (United States) nitrogen oxides, and lead from individual cars have also been reduced by more than 90%, resulting in decreased national emissions of these pollutants despite a more than 400% increase in total miles driven yearly. Since the 1980s, 1/4th of ground level ozone has been cut, mercury emissions have been cut by 80%, and since the change from leaded gas to unleaded gas 90% of atmospheric lead pollution has been reduced. A 2018 study found that the Clean Air Act contributed to the 60% decline in pollution emissions by the manufacturing industry between 1990 and 2008. Climate change poses a challenge

neg: Environmental issues in Iran Environmental issues in Iran Environmental issues in Iran include, especially in urban areas, vehicle emissions, refinery operations, and industrial effluents which contribute to poor air quality. Most cars use leaded gas and lack emissions control equipment. Tehran is rated as one of the world’s most polluted cities. However, buses and cars running on natural gas are planned to replace the existing public transportation fleet in the future. Also, energy prices are kept artificially low in Iran through heavy state subsidies, resulting in highly inefficient and polluting consumption patterns. Traffic management, vehicle inspection, general use of electric bicycles and electronic government

neg: Dogecoin the efforts of the Dogecoin Reddit community. He finished the race in fifteenth, the last car running. The following race in the Coca-Cola 600, Wise debuted a Dogecoin/Reddit.com helmet. Wise later announced he would run the car again at the Toyota/Save Mart 350 as a thank-you gift to the community and the GEICO 500. He finished twenty-eighth in the race due in part to a refueling issue; he was in twelfth place after a gas-and-go pit stop, but the gas can did not engage long enough, resulting in a second pit stop that took him towards the back of the

neg: Grose Vale, New South Wales town water and/or sewer lines. The majority of residents use tank water, either from rainfall or trucked in using tankers. Waste is disposed of using septic tanks and absorption trenches. Amenities are provided at the junction of Grose Vale Road and Grose Wold Road (West) in the form of a small general store and petrol station (gas station), a post office, a hairdresser, a bus-stop and a public telephone. NB: as of April 2013, the general store and gas station were closed and the premises on the market. The new owners have completely redeveloped the store and installed new petrol

neg: Gas cylinder every five years or every ten years, depending on cylinder and its service. Helium gas cylinders have the highest pressures possible when full, around 1000 atmospheres. Gas cylinders have a stop angle valve at the end on top. During storage, transportation, and handling when the gas is not in use, a cap may be screwed over the protruding valve to protect it from damage or breaking off in case the cylinder were to fall over. Instead of a cap, cylinders commonly have a protective collar or neck ring around the service valve assembly. When the gas in the cylinder is

neg: Halstead complexity measures a gas) and the relationships between them (analogous to the gas equation). Thus his metrics are actually not just complexity metrics. For a given problem, Let: From these numbers, several measures can be calculated: The difficulty measure is related to the difficulty of the program to write or understand, e.g. when doing code review. The effort measure translates into actual coding time using the following relation, Halstead's delivered bugs (B) is an estimate for the number of errors in the implementation. Let us consider the following C program: The unique operators are: main, (), {}, int, scanf, &, =, +,

neg: Decompression equipment during in water decompression for scuba divers, but can be up to 1.9 bar in-water and 2.2 bar in the chamber when using the US Navy tables for surface decompression, and up to 2.8 bar for therapeutic decompression. Open circuit scuba divers by definition are independent of surface supply, and must take any gas mixture with them that is to be used on the dive. However, if they are confident of returning by a specific route, the decompression gas may be stored at appropriate places on that route. The cylinders used for this purpose are called stage cylinders, and they

neg: Vertigo cm of water or more. Vertigo is recorded as a symptom of decompression sickness in 5.3% of cases by the US Navy as reported by Powell, 2008 It including isobaric decompression sickness. Decompression sickness can also be caused at a constant ambient pressure when switching between gas mixtures containing different proportions of inert gas. This is known as isobaric counterdiffusion, and presents a problem for very deep dives. For example, after using a very helium-rich trimix at the deepest part of the dive, a diver will switch to mixtures containing progressively less helium and more oxygen and nitrogen during the

neg: Bromine production in the United States in 1957. By 1969, five companies were operating plants there. For most of the 20th century, the principal use of bromine was as the gasoline additive ethylene dibromide, which was needed in leaded gasoline to prevent lead deposits in car engines. The US EPA curtailed the use of lead additives in gasoline in 1980, and eventually banned lead additives entirely. With the elimination of leaded gasoline bromine lost its largest market. However, new uses were found, and bromine production continued to grow. In 1926, the solar salt operation at San Mateo, on the south end of Francisco Bay, California, began

neg: Lead contamination in Oakland Lead contamination in Oakland Lead contamination in Oakland represents a serious and persistent public health threat. Significant portions of the City of Oakland, California have soil lead levels far in excess of 400 ppm, the level that the US EPA suggests remedial action be taken at, and far higher than 80 ppm, the level that California’s Office of Environmental Health Hazard Assessment suggests action should be taken at. Lead contamination in modern Oakland comes from three primary sources: remnants from previous industry, deposits from pre-ban leaded gasoline, and paint chips from pre-ban leaded paints. Not all areas of Oakland are

neg: Natural gas in the United States increased its share of total US electricity from 18.8 percent in 2005, to 32.6 percent in 2015. The increase in gas-generated electricity was mostly at the expense of coal power, which fell from 49.6 percent of US electricity in 2005, to 33.2 percent in 2015. Natural gas surpassed coal as the number one generator of US electricity in late 2015. During the 12-month period through August 2016, natural gas generated 34.5 percent of US electricity, versus 29.8 percent for coal. Unlike the other sectors of natural gas consumption, the electrical power industry uses more natural gas in the summer, when

neg: High harmonic generation the dipole phase arise from the atomic response in the HHG process. When using a gas jet geometry, the optimal conditions for generating high harmonics emitted from short trajectories are obtained when the generating gas is located after the focus, while generation of high harmonics from long trajectory can be obtained off-axis when the generating gas is located before the focus. When using a gas jet geometry, focusing the laser into the Mach disk can increase the efficiency of harmonic generation. High harmonic generation High harmonic generation (HHG) is a non-linear process during which a target (gas, plasma or solid

neg: Filling station equivalent U.S. rating by the "(R+M)/2 method". In Europe and Australia, the customer selects one of several color-coded nozzles depending on the type of fuel required. The filler pipe of unleaded fuel is smaller than the one for fuels for engines designed to take leaded fuel. The tank filler opening has a corresponding diameter; this prevents inadvertently using leaded fuel in an engine not designed for it, which can damage a catalytic converter. In most stations in Canada and the USA, the pump has a single nozzle and the customer selects the desired octane grade by pushing a button. Some

neg: Harry Buckwalter the Air" and photographs of the experience was one of the first examples of photojournalism in the American West. In 1895, Buckwalter took interest in X-ray technology, after its discovery by professor Wilhelm Röntgen earlier that year. Sponsored by the "Rocky Mountain News", Buckwalter partnered with physician C.E.Tennant and the Homeopathic Medical College of Denver on a series of X-ray photograph experiments. For the experiment Buckwalter produced X-ray tubes locally using leaded glass which was previously thought to be unsuitable, but the experiment proved that leaded tubes could produce a clear image. The X-ray images were the first produced in

neg: Stop Watching Us Stop Online Piracy Act. On January 17, 2014, when Barack Obama gave a speech on mass surveillance, protesters outside the Justice Department, who were described by one website as "Hundreds of Stop Watching Us activists", wore "STOP SPYING glasses" and held sign stating "Stop Spying on Us", "Big Brother In Chief" and "Obama = Tyranny." Stop Watching Us Stop Watching Us was a protest effort against global surveillance that culminated in rallies on October 26, 2013. The movement featured an open letter to the members of Congress. It argued that "This dragnet surveillance violates the First and Fourth Amendments of

neg: Minneapolis–Saint Paul International Airport they too were dropped. From the early 1990s to the 2000s (decade), KLM operated 747 and MD-11 service from Amsterdam to Minneapolis–St. Paul. In part because of the Delta/KLM joint venture, KLM did not serve Minneapolis–St. Paul with its own aircraft between 2004 and March 2017, when service resumed. Beginning in the summer of 2013 Air France commenced non-stop, seasonal flights from Paris–Charles de Gaulle Airport to Minneapolis–St. Paul using Airbus A340-300 aircraft. Service switches to a Boeing 777-200ER in 2019. Condor Airlines began non-stop seasonal service to Minneapolis–St. Paul from Frankfurt in the summer of 2014 using 767-300's. Great

neg: Natural gas tens of millions of structures that use the fuel, the individual risk of using natural gas is very low. Natural gas heating systems may cause carbon monoxide poisoning if unvented or poorly vented. In 2011, natural gas furnaces, space heaters, water heaters and stoves were blamed for 11 carbon monoxide deaths in the US. Another 22 deaths were attributed to appliances running on liquified petroleum gas, and 17 deaths on gas of unspecified type. Improvements in natural gas furnace designs have greatly reduced CO poisoning concerns. Detectors are also available that warn of carbon monoxide and/or explosive gas (methane, propane,

neg: Asante Ewer with a scrolled quatrefoil. Without the lid, the jug is high, and the lid (including the overlapping underlip) is . When assembled with its lid, the jug is high. It weighs , and has a capacity of . When filled, it would be inconveniently heavy to use. Only two similar jugs are known in the UK. All have similar shapes, bear inscriptions in English with similar lettering, and were made from leaded bronze, an alloy of copper, tin and lead, cast in a two-part mould in a similar manner using bronze spacers to separate the inner and outer moulds, with