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- Molecular weight distribution of PUVSi has broaden. 相对分子质量分布变宽。
- The molecular weight distribution tends to be narrower as well as 1.05 with the conversion increases. 其次,分子量随转化率增加而趋于窄分布,可达1.;05左右;
- The relationship between molecular weight distribution of phospholipids reverse micell... 温度越高,磷脂反相胶束的分子量越大,越有利于超滤脱胶的进行。
- Furthermore, their molecular weight distribution curves were unimodal through out the polymerization process. 从GPC曲线可以看出,在整个聚合中,产物的分子量分布始终为单峰分布。
- The influence of MWD (molecular weight distribution) on the properties of HDPE has been analyzed in this paper. 分析了高密度聚乙烯(HDPE)分子量分布对产品性能的影响。
- The bimetallic catalyst for bimodal molecular weight distribution polyethylene was also introduced briefly. 还简要介绍了生产双峰分子量分布聚合物的双金属催化剂。
- The GPC results indicated that the polymerization degree increased with the extension of reaction tine and the molecular weight distribution was tend to be monodispersity. GPC研究结果表明随反应时间延长,聚合度增大,聚合物分子量趋于增大但分散性减小。
- In the rubber compounds filled with carbon blacks of negative tint residual, the free rubber has a narrower molecular weight distribution. 对负着色残差的炭黑(聚集体尺寸分布较宽),可溶胶分子量分布较窄;
- In this paper we present a simpler method for the evaluation of MHS constants by the use of broad molecular weight distribution polymer samples. 提出了一种用宽分布高聚物试样订定MHS方程参数的方法。
- 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 results of SDS gel electrophoresis showed the silk dissolved in LiBr had wider molecular weight distribution than in HFIP. 采用SDS凝胶电泳法测定了再生蜘蛛丝溶液的分子量。
- The relationship between molecular weight distribution of phospholipids reverse micelle in soybean miscella arid temperature was analyzed. 分析了大豆混合油中磷脂反相胶束的分子量分布和温度的关系。
- Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically modified. 通过对木质素磺酸盐进行分离,得到分子量分布较窄的木质素磺酸盐。
- The weight-average molecular weight Mw, calculated from the molecular weight distribution, agrees well with that directly measured in static LLS. 体重平均分子量兆瓦,计算出分子量分布,以及同意与直接测量在静态的LLS 。
- Lignosulfonate, a common water reducing agent has not good water reducing perfomance because of its wide molecular weight distribution. 木质素磺酸盐是一种常见的普通减水剂,其分子量分布较宽,从而影响减水剂性能。
- In raucous micclle, horseradish peroxidase maintained high reaction activity and the phenolic polymers had narrow molecular weight distribution. 水相胶束中酶催化活力高,产物分子量均一;
- JAS 900. a copolymer of silicone and acrylate, has a high molecular weight, rational glass transition temperature and a narrow molecular weight distribution. JAS900丙烯酸酯有机硅合成树脂具有较高的分子量、合理的玻璃化温度、分子量分布较集中。
- The metallocene polyethylene with a relative molecular weight distribution higher than 4 could be obtained by using the combined catalyst having 1 : 1 molar ratio of APE-1/APE-2. 高压聚合试验中负载型APE-1和APE-2催化剂按照摩尔比1:1复配,可以得到相对分子质量分布大于4的茂金属聚乙烯。
- It was found that loop reactor could narrow the molecular weight distribution, increase the content of carbonate in product molecules and improve catalyst efficiency. 研究发现,环流反应器能够使产品分子量分布变窄,提高产品中碳酸酯基团含量及催化剂的催化效率。
- Using 80% dipropylene glycol and 20% 1,4-butanediol as molecular regulator could also narrow the molecular weight distribution and reduce the amount of smaller molecules in pr... 研究还发现分子量调节剂对产品分子量分布有较大影响,采用混合型调节剂也能够使分子量分布变窄并降低小分子物质含量。本文还利用所得到的聚碳酸亚丙酯树脂制备出性能优良的聚氨酯弹性体。