醚
1、一种挥发性的可燃的不溶于水而脂溶的液体(C2H5)2O ,具有独特的芳香味,由乙醇与硫酸一起蒸馏获得,主要用作溶剂和麻醉剂。
古细菌的细胞壁缺乏胞壁质,其连接是醚连接而不是酯连接。
Archaean cell walls lack murein, and their lipids have ether links rather than ester links.
研究了由二丙二醇单烯丙基醚制得的不饱和聚酯树脂的风干性能。
The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied.
我们以双草醚钠作为筛选剂。
We use bispyribac-sodium (BS) as a selection agent.
它含有灭虫菊,增效醚和石油馏出物。
It contains resmethrin, piperonyl butoxide and a petroleum distillate.
最后指出了醚化催化剂的发展趋势。
Finally, the developing trend of etherification catalysts is emphasized.
该片状物可以作为制造纤维素醚的原料。
This sheet is used as a starting material for making cellulose others.
她不喜欢乙二醇醚。
She doesn't like glycol ether.
本文旨在探讨三聚氰胺对聚苯硫醚树脂的交联机理。
This paper approaches the effect of melamine on the cross-linking mechanism of polyphenylene sulfide resin.
叔丁基羟基茴香醚(BHA)通常被用来防止脂肪腐臭。
BHA is generally used to keep fats from becoming rancid.
当家具泡沫破裂的时候,往往会释放多溴二苯醚到房屋灰尘当中。
Furniture foam tends to release PBDEs into house dust when it breaks down.
类胡萝卜素和石油醚提取物含量在陈化三个月时降低,之后上升。
The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
本司津巴布韦浸膏主要是通过石油醚浸提津巴布韦烟叶制得浸膏。
The Divisionof Zimbabwe is mainly through petroleum ether extract of Zimbabwean tobacco extract obtained extract.
本司弗吉尼亚浸膏主要是通过石油醚浸提弗吉尼亚烟叶制得浸膏。
TheVirginia Division of petroleum ether extract is mainly extracted by Virginia tobacco extract obtained.
达扬教授称,在欧洲,那些最可疑的多溴二苯醚七八年前就已被禁用。
In Europe the most suspect PBDEs have been banned for seven to eight years, says Dr Dayan.
手性金属络合物催化硫醚的不对称氧化是合成手性亚砜最有效的方法。
The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides Catalyzed by chiral metal complexes.
妇女血液中的多溴二苯醚每增加10倍,她们的怀孕几率就下降30%。
Each ten-fold increase in a woman's blood was linked to a 30 percent decrease in her odds of getting pregnant.
由于多溴二苯醚影响人类健康的研究还刚刚起步,所以该项研究非常重要。
Because little work has been done on the effects of PBDEs on human health, this is an important study.
在最坏的情况下,进入大气的每磅地氟醚都相当于1620磅的二氧化碳。
In the worst case each pound of desflurane that enters the atmosphere is the equivalent of 1, 620 pounds of carbon dioxide.
在最坏的情况下,进入大气的每磅地氟醚都相当于1620磅的二氧化碳。
In the worst case each pound of desflurane that enters the atmosphere is the equivalent of 1,620 pounds of carbon dioxide.
蓝色人魔醚酒:现在在刀锋山高原之外的地方使用此物品会受到一条错误信息。
This item now gives an error message when you attempt to use it outside of the Blade's Edge Plateaus.
熔融温度升高时,聚醚醚酮的结晶峰强度减弱,峰宽增加;而冷结晶峰温度提高。
With increasing melting temperature, the cold crystallization peak temperature increases, the crystallization peak strength of PEEK weakens and the peak width increases.
概述:本司葡萄干萃取物主要采用新疆产的葡萄干为原材料,通过石油醚萃取制得。
Overview: The Division Lanti Vanilla extract raisins produced mainly in Xinjiang, as the raw material obtained by petroleum ether extraction.
在最坏的情况下,每磅进入到大气中的地氟醚相当于1620磅二氧化碳做起的作用。
In the worst case, each pound of desflurane that enters the atmosphere is the equivalent of 1620 pounds of carbon dioxide.
特别是我们发现啮齿类动物的TRESK对异氟醚有立体特异性差异,但人类却没有。
In particular, we found stereospecific differences in response to isoflurane by the rodent TRESKs but not by human TRESK.
普鲁兰氨基烃基醚的有机盐和无机盐可由普鲁兰氨基烃基醚与酸在常规条件下反应获得。
The organic or inorganic acid salts of pullulan aminoalkyl ether can be prepared by reacting pullulan aminoalkyl ether obtained as above with acids in a conventional manner.
概述:本司岩蔷薇浸膏主要采用中国浙江地区生长的岩蔷薇为原材料,通过石油醚提取制得浸膏。
Overview: The Division mainly rock rose extract rock China's Zhejiang province rose to the growth of raw materials extracted by petroleum ether extract obtained.
几乎每一个接受测试的美国人体都有五溴和八溴二苯醚的痕迹,这两种物质是家具业用得最广泛的。
Nearly every American tested contains traces of penta and octa BDE, the two formulations most widely used in furniture.
几乎每一个接受测试的美国人体都有五溴和八溴二苯醚的痕迹,这两种物质是家具业用得最广泛的。
Nearly every American tested contains traces of penta and octa BDE, the two formulations most widely used in furniture.