narrow molecular-weight distribution的意思|示意

The polymer molecular weight is high, the molecular weight distribution is narrow, and the polymerization method is green and environmental-protection.

本发明具有制得的聚合物分子量高、分子量分布窄，聚合方法绿色环保的优点。

Liaohe FCCDO is a better raw material to produce needle coke because it has a high content of aromatics, low content of asphalt and narrow distribution of molecular weight.

辽河催化裂化澄清油中芳烃含量高、沥青质含量低、分子量分布窄，是生产针状焦的优质原料，但其所含的灰分对澄清油的加工利用有着较大影响。

The aqueous solution properties of poly-dimethyldiallylammonium chloride (PDMDAAC) with different molecular weight(intrinsic viscosity) and narrow distribution were studied in this paper.

本文研究了有系列相对分子质量均聚物PDMDAAC的水溶液性质。

The polyoxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG.

乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。

The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.

用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。

The water insoluble precipitate (acetic acid lignin, AcL) had a low weight-average molecular weight range from 341 to 253 (Mw) and a narrow molecular weight distribution from 1.1 to 1.2.

水不溶沉淀物（乙酰化木质素）的重均分子量分布在341到253之间，分散性系数分布在1.1到1.2这一窄范围内。