查询词典 butadiene

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。

Therefore, It is necessary to join the inhibitor in the butadiene extraction process to retard polymerization.

因此，在丁二烯抽提生产过程中需要加入阻聚剂，以阻滞丁二烯单体的聚合。

At atmospheric pressure and 00℃, after 100 laser pulses C2H4 conversed to butadiene with 100% selectivity.

根据表征和反应结果，讨论了C2H4在FePO4上的LSSR机理和影响LSSR性能的因素。

The process characteristics of polymerization reactor for butadiene rubber production were analyzed in view point of engineering research.

从聚合反应工程角度分析了顺丁橡胶生产中的聚合过程特点及其偏离理想动力学的情况。

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

Real time optimization system of process industry is built in this paper, and is applied to low-temperature styrene and butadiene emulsion polymerization.

本论文建立了过f工业的实时优化系统，并将其应用于低温乳聚丁苯橡胶装置。

In a word, this is the first real time optimization system of low-temperature styrene and butadiene emulsion polymerization at present.

总之，本论文建立的低温乳聚丁苯橡胶实时优化系统，在国内外还很少见到。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。