ethylene的意思|ethylene的解释-里氏词典

ethylene ['ɛθə`lin]

n. 乙烯

[化] 乙烯; 1,2-亚乙基

[医] 乙烯, 次乙基, 乙撑

A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.
防冻剂，防冻液，抗凝剂一种物质，通常是液体，如乙二醇或酒精，和另一种液体混合来降低冰点
The plant can produce up to130 tons of ethylene each month.
这家工厂每月最高能生产一百三十吨的乙烯。
Cyclopentanone ethylene ketal was synthesized with I_2 as catalyst.
以单质碘为催化剂合成了环戊酮乙二缩酮。

ethylene

[ noun ]
a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
<noun.substance>

Ethylene \Eth"yl*ene\ ([e^]th"[i^]l*[=e]n), n. [From {Ethyl}.]
(Chem.)
A colorless, gaseous hydrocarbon, {C2H4}, forming an
important ingredient of illuminating gas, and also obtained
by the action of concentrated sulphuric acid in alcohol. It
is an unsaturated compound and combines directly with
chlorine and bromine to form oily liquids (Dutch liquid), --
hence called {olefiant gas}. Called also {ethene}, {elayl},
and formerly, {bicarbureted hydrogen}.

{Ethylene series} (Chem.), the series of unsaturated
hydrocarbons of which ethylene is the type, and
represented by the general formula {CnH2n}.

Separately, the companies said they reached an accord under which Shell Canada, a unit of Royal Dutch/Shell Group, will sell ethane to Dow Chemical Canada for its proposed C$800 million ethylene plant in Fort Saskatchewan.
But ethylene oxide and derivative production isn't expected to resume until the third quarter, he said.
Mr. Bogner sees pretax operating profit from ethylene glycol sales growing to $475 million in 1989 from the nearly $350 million he projects for 1988.
In 1988, South Korean ethylene capacity was only 500,000 tonnes a year.
It said these chemicals are 1,3-butadiene, ethylene oxide and chloroform.
The only exception is Phillips Petroleum Co., which has announced a new plant for ethylene, a basic building block for petrochemicals, that would increase the company's capacity for the product 30% by 1990.
The fire raged into the evening Monday, fueled by plastics and by ethylene and isobutane gases, which are both used to make plastics.
A year after shelving plans to build a new ethylene plant at its Chocolate Bayou facility, Amoco Corp. announced it will spend $200 million to expand its existing ethylene production plant.
A year after shelving plans to build a new ethylene plant at its Chocolate Bayou facility, Amoco Corp. announced it will spend $200 million to expand its existing ethylene production plant.
But he said industrial production of ethylene from methane will "become a reality within five years."
Polysar is a likely takeover target for U.S. chemical companies, largely because of its annual production of about one billion pounds of ethylene, or 20% of total Canadian production.
Demand for ethylene, the basic building block of plastics, has dropped 8 per cent over the past 12 months, while prices have fallen every year for the past four years.
The plant usually accounts for 20% to 25% of Quantum's polyethylene production and 50% of its ethylene production.
The company believes flammable hydrocarbon vapor from ethylene and isobutane gases escaped from a leaking chemical reactor, triggering the blasts But Phillips officials have said they don't know how the gases were ignited.
Cain now has seven plants on the Gulf Coast of Texas and is the nation's fifth-largest maker of ethylene, a component of PVC plastic.
Petrolane's troubles spell bad news for Quantum Chemical, too; that company has a negative net worth and loads of debt, though its ethylene business isn't doing too badly and some analysts like its stock and junk bonds.
Besides the caustic soda car, Perkins said three engines were spilling diesel fuel into the river, and three of six derailed cars carrying ethylene glycol alcohol had small leaks.
That discrepancy hurts Quantum badly, because its own plants cover only about half of its ethylene needs.
To prove their findings, the scientists inserted the gene for ACC synthase into a bacterium and a yeast and found that the two micro-organisms produced ethylene, which they normally don't produce.
A year ago, Amoco shelved plans to build a 1.5 billion-pound-a-year ethylene plant.
Japanese producers also face increasing competition from South Korean manufacturers, which are rapidly expanding their export-oriented ethylene output.
The new experiments settle a scientific question about the role of ethylene in fruit, vegetable and flower senescence, or ripening and spoiling, Dr. Theologis explained.
Nova already operates two Alberta ethylene plants that are supplied with low cost ethane from straddle plants.
Many plants produce ethylene as they ripen, but there's been debate over whether the ethylene is what triggers the ripening process or whether it's a by-product of the process.
Many plants produce ethylene as they ripen, but there's been debate over whether the ethylene is what triggers the ripening process or whether it's a by-product of the process.
The Alvin, Texas, plant, which employs 824, already is capable of producing 2.4 billion pounds of ethylene per year and 800 million pounds of propylene.
The pipeline was shut down after the blast, but up to 90,000 gallons of ethylene and plastics were believed to have burned, said Sam L. Price, Houston Fire Department spokesman.
In opposing the bid, Du Pont Canada said the takeover would constitute a "serious reduction" in its ability, in the long term, to have a fully competitive supply of ethylene, the main raw material used in the production of polyethelene.
The transaction includes Scientific Design's world-wide licensing and engineering businesses, its facilities for the manufacture of catalysts for ethylene oxide, and other chemical products.
Also, overproduction in ethylene is a global problem, with European manufacturers tending to be smaller and less efficient than those in the US and the Far East.

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