Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.
本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、L- 薄荷酯和叔丁酯。
Butyl rubber which contains about 1% chlorine.
含约1%氯的丁基橡胶。
Raw materials are n-butyl aldehyde and formaldehyde.
基本原料都是正丁醛和甲醛。
Treatment with butyl lithium gave rise to cyclopropanes .
用丁基锂处理，即得到环丙烷。
Obtained by chlorination of butyl rubber in hexane solution.
由丁基橡胶在己烷溶液中氯化制得。
The side chain of EVA is mainly butyl, amyl, or longer alkyl.
EVA分子结构中的侧链主要是丁基、戊基或更长的烷基。
Seal cover over the heat exchanger airtight with butyl adhesive.
用丁基合成橡胶粘合胶将罩盖密封在热交换器上。
Objective: To improve the synthesis technology of n-butyl gallate.
目的：改进没食子酸正丁酯的合成工艺。
These butyl radicals bring about a rapid polymerization of styrene.
这些丁基自由基促使苯乙烯聚合速度加快。
This method is applicable in the field of butyl acetate production.
本方法适用于醋酸丁酯的生产领域。
Each droplet has an oil core surrounded by a thin layer of butyl cyanoacrylate.
每个微滴都有一颗油核，周围包裹着一层薄薄的氰基丙烯酸正丁酯。
Through these the rubber may be vulcanized more readily than normal butyl rubber.
这种橡胶通过烯丙基氯可以比一般丁基橡胶更容易硫化。
Ethyl tert butyl ether (ETBE) is a good additive for gasoline with high octane number.
乙基叔丁基醚(etbe)是一种性能优良的高辛烷值汽油调和组分。
The study results of the toxicity of methyl tertiary butyl ether (MTBE) were reviewed.
对国内外有关甲基叔丁基醚（MTBE）毒性的研究结果作了综述。
Conclusion Potassium bisulfate is an excellent catalyst for the synthesis of butyl lactate.
结论硫酸氢钾是合成乳酸丁酯的良好催化剂。
Sulphur and compounds made from this process: i. e. Latex gloves, neoprene and butyl rubber.
制造过程中产生的硫及其化合物，如：橡胶手套、氯丁橡胶和丁基橡胶。
Diisobutyl acetal was synthesized by the condensation of paraldehyde and iso-butyl alcohol.
以三聚乙醛和异丁醇为原料，合成了二异丁基乙缩醛。
After all, gum's made from butyl rubber, the same stuff that goes into tires and basketballs.
毕竟，口香糖由丁基橡胶制成，丁基橡胶也是制作轮胎和篮球的材料。
The study on the preparation and property of Butyl Rhodamine B selective electrode is reported.
本文报道了丁基罗丹明B选择性电极的制备及其性能研究。
METHODS Halogenated butyl rubber stopper for injection was researched on different temperatures.
方法对注射液用卤化丁基橡胶塞在不同的温度下进行试验。
Three latex magenta couplers were formed by emulsion copolymerization of these monomers and butyl acrylate.
将这些单体与丙烯酸丁酯共聚得到了三种乳液聚合型品红成色剂。
Sodium din-butyl naphthalene sulfonate was prepared from n-butyl alcohol, naphthalene and fuming sulfuric acid.
本文提供二正丁基萘磺酸钠及二异戊基萘磺酸钠之制备方法。
OBJECTIVE to investigate the effect of butyl rubber stopper on the stability of procaine hydrochloride injection.
目的研究丁基橡胶塞对普鲁卡因注射液稳定性的影响。
Objective To study the effects of din-butyl phthalate on the fecundity and the life span in drosophila melanogaster.
目的研究邻苯二甲酸二丁酯对果蝇生育力和寿命的毒性作用。
The paper discussed the effect of test conditions on measurement result of oxidables of butyl rubber bottle stoppers.
讨论试验条件对丁基橡胶抗生素瓶塞易氧化物测定结果的影响。
To establish a solvent desorption gas chromatography for determining n-Butyl glycidyl ether in the air of workplaces.
目的建立工作场所空气中正丁基缩水甘油醚的溶剂解吸气相色谱测定方法。
In this paper, absorbed dose, dose rate, and pretreatment methods on properties of reclaimed butyl rubber are studied.
本文研究了吸收剂量，剂量率和预处理方法对再生丁基胶物理性能的影响。
The market status, demands and applications of butyl rubber are analyzed, the market prospect in domestic is predicted.
对丁基橡胶市场、需求、应用情况进行分析，并对国内的市场前景进行了预测。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
摘要目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
摘要目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
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