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氯乙烷

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Carbon hollow nanosphers were synthesized at 200oC, using magnesium and hexachloroethane as reactants, aluminum chloride as catalyst and benzene as solvent.

采用格氏试剂法,在温度200℃,反应时间12个小时下,以六氯乙烷为原料,苯为溶剂,铝作还原剂,无水氯化铝为路易斯酸。

After refinement a great deal of primary iron phases appear and most of them are hexagonal.

用六氯乙烷精炼后,合金的组织中开始出现大量六角形的初生相。

The same is carried out in the microwave, ethanol, dichloroethane, sodium carbonate, tetrabutylammonium iodide ammonium dissolved in dimethylformamide, then access to carbon dioxide.

同样是在微波炉中进行,把乙醇,氯乙烷,碳酸钠,四丁基碘化铵溶解在二甲基甲酰胺中,再通入二氧化碳。

Color reaction was performed in organic solution-salt solution biphasic system. The organic solution was 1,2-Dichloroethane-Isoamyl alcohol mixture (V/V=96:4) added Bromophenol blue (per 100 mL added 0.05 g). The salt solution was 55%K2HPO4 aqueous solution added Na3CO3 (per 100 mL added 14 g), under the temperature of color reaction between 12℃ to 25℃.

显色反应在有机溶液-盐溶液两相体系中进行,有机溶液为每100 mL 1,2-二氯乙烷-异戊醇混合溶液(体积比96:4)加入0.05 g溴酚蓝,12~25℃显色反应条件下,盐溶液为每100 mL 55%K2 HPO4水溶液加入14 g Na2CO3。

Grafting of crotonic acid, undecylenic acid, oleic acid, and acrylic acid onto ABS was initiated by benzoyl peroxide in 1, 2-dichloroethane solution.

以过氧化二苯甲酰为引发剂,在1,2-二氯乙烷溶液中进行反式丁烯酸、10-十一烯酸、油酸、丙烯酸接枝ABS树脂。

The enzymolytic products identified were:diisopro-pylaminoethanethiol through the breakdown of P-S bond, and its oxidized product, N, N'-dithiodiethylene-bis ; and diisopropyla-minochloroethane through the breakdown of S-C bond.

VS与电鳐乙酰胆碱酯酶作用的主要产物是: P—S键断裂产物二异丙氨基乙硫醇,该化合物在水溶液中不稳定,可进一步氧化为N,N'-双二异丙氨基乙基二硫醚;S—C键断裂产物二异丙氨基氯乙烷

The process of adding hydrogen gas in fuel gas of ethylidene chloride pyrolyzer and its effects were introduced.

介绍了在二氯乙烷裂解炉燃料气中添加氢气的工艺过程和效果。

For example, solvent polarity strength, on activato colors surfacesf fat…etc, such as adsorption octadecylarnine ingredients solutions of the order is: ethlene-methylbenzenesulfonic? heptoxide? mixtrue.

例如,溶剂的极性不弱度不不不不差别,不不不不不差活性剂颜料暗不天的吸附也有所不不不不差别,如不一八烷基胺在各组份溶剂洋吸附度的挨次是:甲苯﹥二氯乙烷﹥搀和溶剂。

Amino-6-nitrobenzodifuroxan was prepared through a three-step reaction from starting material 3, 5-dinitrobenzoic acid:(1)3, 5-dinitroaniline (1) was synthesized from the reaction of DNBA and hydrazoic acid in inert solvent 1, 2-dichioroethane through Schmidt rearrangement with yield of 89.6%;(2) 1 was subjected to nitration to prepare pentanitroaniline (2) with yield of 51.1%;(3) The title compound was prepared from 2 and sodium azide in acetic acid through denitrogenation and then Schmidt rearrangement with yield of 86.8%, m.p.204℃~206℃.

以3,5-二硝基苯甲酸为原料经过3步反应合成了7-氨基6-硝基苯并二氧化吠咱:第1步反应,在二氯乙烷惰性溶剂中,DNBA与叠氮酸反应并发生Schmidt重排反应生成3,5-二硝基苯胺(1),产率89.6%;第2步反应,1在含100%硫酸的硝硫混酸中硝化生成五硝基苯胺(2),产率51.1%;第3步反应,2与叠氮酸反应,不经分离直接进行热解脱氮、Schmidt重排反应,得到目标化合物, m.p.204℃~ 206℃,产率86.8%。

Methods Brain microvascular endothelial cells and neuroglial cells of newborn rats were cultured in vitro, and treated with 1,2-dichloroethane at a dose of 0 μl/ml, 5 μl/ml, 10 μl/ml or 20 μl/ml.

方法]在体外建立了血脑屏障细胞模型,并从形态学上观察1,2-二氯乙烷对血脑屏障细胞的损伤作用。

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