pech
英
美 [pɛk]
网络 聚环氧氯丙烷
第三人称单数：peches
双语例句
- Oligomers are often formed in the preparation of hydroxy-terminated polyepichlorohydrin ( PECH) by cation ring-opening polymerization, so that quality of PECH is reduced.
阳离子开环聚合制备端羟基聚环氧氯丙烷（PECH）时，往往伴随着一定量齐聚物的生成而使聚醚质量劣化。 - It is discovered through experiment that treating PECHs with different relative molecular mass should use different extraction solvents.
实验表明，处理不同相对分子质量的PECH，应采用不同的萃取溶剂。 - Conductivity and XPS Studies of PEO, PECH and PET Complexes with Sodium Salt
PEO、PECH、PET聚合物钠离子导体电学性能及XPS的研究 - A Study on Oxygen-Enrichment of PECH/ Liquid Crystal Composite Membranes
聚环氧氯丙烷/液晶复合富氧膜的研究聚环氧氯丙烷的合成 - A series of segmented polyurethane ( PU) based on polyoxypropylene ( PPG) and hydroxy terminated polyepichlorohydrin ( PECH) was synthesized.
以聚环氧丙烷醚（PPG）和端羟基聚环氧氯丙烷醚（PECH）为聚醚多元醇，合成了多嵌段聚醚型聚氨酯弹性体（PU）。 - Cross-linked PEI membrane was prepared through the reaction between secondary amino groups in PEI with chloromethyl groups in polyepichlorohydrin ( PECH). The solvent used is N, N-dimethylformamide, the cross-linking temperature and time are 100 ℃ and 3h, respectively.
PEI的亚胺基与聚环氧氯丙烷（PECH）的氯甲基反应得到交联的PEI膜，二甲基甲酰胺为交联反应的溶剂，交联反应温度为100℃，反应时间以3小时为宜。 - The adsorption study of SAW-PECH sensor to organosulfur agents
SAW-PECH传感器对有机硫类毒剂吸附行为的研究 - Given a positive shock to the PECH in the current, the growth of firm volatility in the first four periods, after fourth period PECH has gradually increase the impact of the growth of firm.
在当期给PECH一个正冲击后，企业成长在前4期波动，在第4期后逐渐增大对企业成长的影响力。 - In the blend by adding dibutyltin dilaurate can significantly improve the CPVC/ PECH blends thermal stability.
在共混中加入二月桂酸二丁基锡可以明显提高CPVC/PECH共混物的热稳定性。