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However, the ethane, propane, butanes, naphtha and gas oil serve as optional feedstocks for steam-assisted thermal cracking plants referred to as steam crackers that produce these intermediate petrochemical feedstocks:
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However and ethane
However, if the enophile becomes more polar ( going from ethane to formaldehyde ), its LUMO has a larger amplitude on C, yielding a better C – C overlap and a worse H – O one, determining the reaction to proceed in an asynchronous fashion.
However, hyperconjugation has been suggested as an explanation for the preference of the staggered conformation of ethane because the steric hindrance of the small hydrogen atom is far too small.
However and propane
However, when running on kerosene or diesel, starting sometimes requires the assistance of a more volatile product such as propane gas-although the new kero-start technology can allow even microturbines fuelled on kerosene to start without propane.
However, Hank and Bobby find common interest in Texas, meat, propane, shooting and golfing, among other things as the show progresses.
However, in contrast, what the United States calls liquefied petroleum gas is known generically in the United Kingdom as ' LPG '; and it may be ordered using by one of several Trade names, or specifically as butane or propane depending on the required heat output.
However, in contrast, what the United States calls liquefied petroleum gas is known generically in the United Kingdom as " LPG "; and it may be ordered by using one of several trade names, or specifically as butane or propane depending on the required heat output.
However, the lighter-than-air sewer gas collects in the ceiling, while propane collects on the floor.
However, propane produces heat, which ( when firing for an extended period at high rates of fire ) can cause burns if improperly handled.
However and naphtha
However, the Dabhol plant ran into further problems, with RGPPL shutting down the plant on 4 July 2006 due to a lack of naphtha supply.
However and gas
However, in " A Great Day " Todd does thank the duo for giving him some gas money, and he allows them to watch him beat up someone who bumped into his car.
However, according to another of their papers, no large releases of gas hydrates are believed to have occurred in the Bermuda Triangle for the past 15, 000 years.
However, unless the airflow is adjusted as well, the flame temperature will decrease because an increased amount of gas is now mixed with the same amount of air, starving the flame of oxygen.
However, 80 % of FDI continues to go to only four sectors: electricity, gas, water and mining.
However, once the applied electric field approaches the breakdown value, free electrons become sufficiently accelerated by the electric field to create additional free electrons by colliding, and ionizing, neutral gas atoms or molecules in a process called avalanche breakdown.
However, because of the relatively small diffusion rates in solids, the corresponding chemical reactions are very slow in comparison to liquid and gas phase reactions.
However, during the withdrawal of Soviet troops in 1989, Afghanistan's natural gas fields were capped to prevent sabotage by the Mujahideen.
However, this equation becomes increasingly inaccurate at higher pressures and lower temperatures, and fails to predict condensation from a gas to a liquid.
However, gas chromatography testing in 1984 revealed that sulfur-containing compounds, such as methanethiol, hydrogen sulfide ( rotten egg smell ) and dimethyl sulfide, were also < ref >
However, the gas and dust within the two forms will interact.
However, gravitational stripping of the interstellar gas and dust that makes up the spiral arms produces a long train of stars known as tidal tails.
However, before the Drake well, oil-producing wells in the United States were wells that were drilled for salt brine, and produced oil and gas only as accidental byproducts.
However, because most of Iraq ’ s gas output is associated with oil, output growth depends on developments in the oil industry.
However, in September 1913 L1 was destroyed in a storm, while the following month L2 was lost in a gas explosion.
However, disagreements over Lithuania's implementation of the treaty have soured relations and cooperation on energy issues and Lithuania remains unconnected to the Polish electricity grid and the countries are not connected by a non-Russian controlled gas pipeline, as previous promises to do both have been stalled by the row over the friendship treaty.
However, a transverse wave apparently required the propagating medium to behave as a solid, as opposed to a gas or fluid.
However, Luthor returns in Superman # 5 with a plan to place hypnotic gas in the offices of influential people, intending to throw the nation into a depression with the help of corrupt financier Moseley.
However, aneroid gauges can be used to measure the pressure of a liquid as well as a gas, and they are not the only type of gauge that can operate without fluid.
However in late 2008, Burma sent in ships into disputed waters in the Bay of Bengal for the exploration of oil and natural gas.
However, DPRK-USSR relations ran out of gas by 1986.
However, in an underground oil reservoir the proportions of gas, liquid, and solid depend on subsurface conditions and on the phase diagram of the petroleum mixture.
However, because the underground temperature and pressure are higher than at the surface, the gas may contain heavier hydrocarbons such as pentane, hexane, and heptane in the gaseous state.
However, most spacecraft today are propelled by forcing a gas from the back / rear of the vehicle at very high speed through a supersonic de Laval nozzle.
However, there are tracks that were created during seismic surveys in the search for gas and oil during the 1960s and 1970s.
However, Soviet-era pipelines dictate that much of the gas goes to the Caucasus, Russia and Ukraine.
However and oil
However, during the 1980s oil glut Alberta's economy suffered.
However, the area has aroused considerable interest from oil companies in the light of the discovery of rich reserves of high grade crude oil elsewhere in Nigeria.
However, unlike the French, it is made with oil or bacon fat and more lately olive oil, and not butter, and it is used as a thickening agent, especially in gumbo and étouffée.
However, oil refineries are large, immobile, and probable targets.
However, declining cocoa production combined with falling cocoa prices, while oil prices soared.
However, an oil for food program was established in 1996 to ease the effects of sanctions.
However, only about 2, 000 oil wells have been drilled in Iraq, compared to about 1 million wells in Texas alone.
However, since 2003 oil pipelines and installations have been sabotaged persistently.
However, in October 2000, Zagros Madjd-Sadjadi, an economist with The University of the West Indies, bet $ 1000 with David South that the inflation-adjusted price of oil would decrease to an inflation-adjusted price of $ 25 by 2010 ( down from what was then $ 30 / barrel ).
However, with the fall of Saddam Hussein, Jordan lost the sizable oil subsidies and customary shipments it received from Iraq.
However since 2000, Kazakhstan's economy grew sharply, aided by increased prices on world markets for Kazakhstan's leading exports — oil, metals and grain.
However, this does not take into the account that Germany's economic situation suffered from limited resources – mainly raw materials like oil and aluminium – which did not provide for much beyond a tactical air force.
However, substantial investments have been made in building new railway lines since 2003, with the goal of connecting Chişinău to southern Moldova and eventually to the Giurgiuleşti oil terminal.
However, in late August, Germany arranged its own occupation of Romania, targeting oil fields.
However, the start of World War II delayed exploitation of Qatar's oil resources, and oil exports did not begin until 1949.
However, the government has mortgaged a substantial portion of its oil earnings, contributing to the government's shortage of revenues.
However, economic progress was badly hurt by slumping oil prices in 1998, which worsened the Republic of the Congo's budget deficit.
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