丁二烯

The present invention provides an aqueous adhesive composition including a resinous phase dispersed in an aqueous medium, the resinous phase containing a polychloroprene, optionally, a halogenated polyolefin different from, and optionally, an aminoplast resin.

本发明提供了包括分散于水性介质中的树脂相的水性粘合剂组合物，该树脂相包含聚氯丁二烯；任选的不同于的卤化聚烯烃；和任选的氨基塑料树脂。

The conversion of the cyclobutanes to the corresponding annulation products was achieved by a reaction sequence of [elimination of HCl in the cyclobutanes-4 electron electrocyclic ring opening-6 electron electrocyclic ring closure-elimination of another HCl molecule] .

这些环丁烷产物向增环产物的转化是经一个[脱除－分子HCl得环丁烯－环丁烯电环开环为丁二烯－6电子电环闭环－脱除另一分子HCl]这一连续反应进行的。

Of 35 kt / a 1,3 - butadiene separation device design process.

对35 kt/a 1，3-丁二烯分离装置进行工艺设计。

Synthetic rubber is a copolymer of butadiene (75%) and styrene (25%).

合成橡胶是丁二烯（75％）和苯乙烯（25％）的共聚物。

The effects of the polymerization time,the concentration of butadiene and the amount of t-BuCl on t...

考察了聚合时间、丁二烯质量浓度和RCl/Al2H对原位环化反应的影响。

The time of analysis up to butadiene is about one minute.

在约1分钟内可以完全鉴定丁二烯以前的气态烃混合物。

This paper analyzed the optimization and transformation of butadiene device of Yangzi PetrochemicalCO.

本文从4个方面分析了扬子石化烯烃厂丁二烯装置的优化改造。

According to the regulations,what type of gauging is required for a cargo of butadiene

KEY： B根据规则，装载丁二烯的船舶要求有什么类型的测量仪限制式

The polymerization of butadiene in benzene in the presence of titanium tetraiodide triisobutyl aluminium catalyst has been studied.

研究了丁二烯在苯中有四碘化钛-三异丁基铝催化剂的存在下的聚合。

The coke formation on butadiene catalyst was studied in a flow system by means of carbon-14-labelled compounds.

在流动系统中，用碳-14标记化合物研究了丁二烯催化剂上的结焦过程。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。