在乙酰化、硝化反應中引入了1,2-二氯乙烷溶劑.

in the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.

某些苯代 ( 或多苯 ) 環氧乙烷是制取帶苯環 ( 或二苯 ) 碳烯的極好原料.

phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.

查看producto機械公司的最新產品目錄，品種繁多，從氮氣彈簧到乙烷氣彈簧等等還有更多。

check out the latest catalog from the producto machine co. (bridgeport, ct). types range from nitrogen gas to urethane—and more.

如果我們有乙烷分子，那我們首先有,碳碳之間的sigma鍵。

if we have the molecule ethane, then what we「re going to have first is our sigma bond that we described between the two carbons.

其他組分有同系烷、乙烷、丙烷以及高分子碳氫化合物。

other components are the homologous alkanes, ethane, propane, and higher hydrocarbons.

這就是乙烷里的三種間。

so those are our three types of bonds in ethene.

如果真有那么多，這顆星球的表面將會被幾米深的乙烷所覆蓋，但是「卡西尼號」卻什么也沒發現。

if there had been, the moon would have been covered with an ocean of the stuff several meters deep and cassini saw nothing of the kind.

墨西哥灣居民患病：血液測試確認含有乙苯，二甲苯以及很高成分的乙烷

gulf residents are getting sick: blood tests confirm ethylbenzene, xylene, and high levels of hexane

該流程輕烴回收率可達90%以上，其中乙烷回收率可達85%左右。

the recovery rate is more than 90% for light hydrocarbons, and about 85% for ethane .

順帶一提，泰坦湖泊里的液體并不是通常意義上的水，而是液態的甲烷和乙烷。

titan」s lakes, by the way, aren「t your usual bodies of water -- instead, they」re filled with liquid methane and ethane.

簡述了二氯乙烷的理化性質 、 作業標準和法規.

the article describes the physico - chemical properties, operative standers and laws of edc.

最近的一些分析表明土衛六的湖泊是由80%的乙烷，以及沒有燃燒的丙烷，甲烷和乙炔的小液滴，一些研究者表示這些可能會是維持土衛六上生命的物質。

recent estimates suggest the lakes are made of 80 per cent ethane, with slugs of propane, methane and acetylene, which could be a source of food for titanian life, some researchers suggest.

盡管飛船松弛著就起飛了，氮氣和乙烷隨著海拔的增長逐漸膨脹變大。

although the airship starts off flaccid, the helium and the ethane expand as it gains altitude.

讓我們討論乙烷，讓我們取碳sp3雜化軌道，which，is，c，h，2。，so，let’s，take，our，carbon，s，p，3，hybridized，carbon,把它移動一下,使得z方向,是兩個碳原子成鍵軸的方向。

so let「s talk about ethane now, c2h6 and just move it around here so we can make the z inter- bonding axis between the two carbons right here.

而是一種以甲烷和乙烷為標志的烴類物質的大氣循環。

it is instead an exotic climate of hydrocarbons that features methane and ethane.

天然氣不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.

the gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.

云層可能正在向下面的甲烷湖飄落乙烷雪.

the cloud might be snowing ethane snowflakes into methane lakes below.

隨著天然氣產量的增加和乙烷、丙烷回收率的進步，所占比例正在逐步增加。

with the increase in the production of natural gas and ethane propane recovery rate of increase in the proportion of which are increasing.

對於乙烷，我們有兩種鍵,我們繼續討論一下,碳碳鍵,和碳氫鍵。

so in terms of thinking about ethane, we actually have two bond types that we」re going to be describing just in terms of the carbon-carbon bond and then the carbon h bonds.

飛船頭部的內置氣囊中充滿了氦氣，而置於尾部的第三節內置氣囊則充滿了乙烷可燃氣體。

the inner envelope holds helium in the head section of the blimp and an ethane fuel gas in the three tail sections.

讓我們來討論乙烷,以及如何寫出這些鍵。

so let「s talk about ethane and how we would actually write these bonds.

問題在於這種用乙烷制作乙烯的生產流程幾乎不會伴有丙烯產生。

the trouble is that the ethane route to making ethylene produces virtually no propylene.

ba110乙烷裂解爐是乙烯裝置的重要設備.

ba 110 ethane pyrolysis furnace is an important equipment of ethylene plant.

為了凝結氯乙烷氣體,必須使用大量的冷卻水.

great quantities of cooling water must be available for condensation of the ethylchloride.

而天然橡膠和撮不合乙烷材質不不合用uv油墨和上平油.

and ethylene natural rubber and polymer materials for uv inks and finish.

由於這樣，在外層封皮的空氣被釋放用來隨后讓氮氣和乙烷填充空隙。

as it does so, the air in the outer envelope is released to allow these gases to fill the void left behind.

不過如前所述, 這些孢子也無法被環氧乙烷滅活.

however, these were incapable of being inactivated ethylene oxide as stated previously.

使用環氧乙烷滅菌,有時會使用粉末滅菌劑.

sterilization by use of ethylene oxide is sometimes attempted for powders.

天然氣由甲烷、乙烷、丙烷和丁烷組成。

natural gas is composed of methane ethane propane and butane .

科學家們已經了解土衛六大氣層中并沒有預期那么多的乙烷。

scientists already knew there wasn」t as much ethane in titan「s atmosphere as they」d expected.

無論如何，同時地檢測呼吸中的氧化一氮、一氧化碳、,過氧化氫物、亞硝酸鹽、硝酸鹽,、戊烷和乙烷，將能對哮喘做確定性的診斷。

however, simultaneously monitoring nitric oxide, carbon monoxide,hydro-peroxides, nitrites, nitrates, pentane and ethane in the breath, wouldallow a much more definitive diagnosis of asthma.

在人體內的長期存在的乙烷導致的結果是大范圍的末梢神經系統衰竭。

lts of hexane in humans is extensive peripheral nervous system failure.