10.In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙合成铜铁试剂的新工艺。
11.119.0 g of cyclopentyl bromide and 19.4 g of magnesium are reacted in ether or THF to give a cyclopentyl Grignard reagent.
119克环戊溴和19.4克镁在空气中或者四氢呋喃中加入环戊格林尼亚试剂作发生反应。
12.Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状芳醛在酸性条件下与氨基硫脲反应，合成了链状芳醛缩氨硫脲类化合物。
13.Siloxanes and silicones, di-Me, Me hydrogen, reaction products with polyethylene glycol monoacetate allyl ether and polyethylene-polypropylene glycol monoacetate allyl ether;
14.A large number of structures of benzene methyl and methylene groups but rare aralkyl ether linkage existed in the waste liquor.
两种废液木素中都含有大量的苯环及甲基、亚甲基结构，几乎不存在烷基芳基键结构；
15.Foundry polyurethane binder comprises component Ⅰ, a polyhydroxy component whose main component is benzylic ether phenolic resin, component Ⅱ, a polyisocyanate, and a catalyst.
铸造用的聚氨酯粘合剂主要有两组份构成，组份Ⅰ为多羟基化合物，如苯型酚醛树脂为主要成份；
16.Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.
苯型酚醛树脂是铸造用聚氨酯粘合剂的主要成份之一,它的结构及合成工艺条件决定了该类粘合剂性能。
17.In this paper,a type of kilomega bps chips group for ether net which surpasses the standards by large abundance is presented.
介绍了一种性能超越规范很宽裕量的千兆位以太网芯片组。
18.Coverer: Seamless sheath of ether-based urethane resistant to cathodic, hydraulic and other environmental conditions.
包层：无缝铠装乙基氨基甲酸乙酯。耐阴极、液压和其它环境条件。
19.The study is the synthesis of BFO in the medium of PEG or its derivatives - polyethylene glycol alkyl ether and polyethylene glycol alkylphenyl ether.
本论文以PEG或其衍生物脂肪醇聚氧乙烯和烷基酚聚氧乙烯为介质合成BFO。
20.Prior to this modification, the minor diastereomer could only be removed at the stage of the bis-TBS ether (-)- 21 .
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醇基甲基乙基
