查询词典 hydrophilic

The resultsshowed that the increasing of hydrophilic group result in a great water absorption rate, a fasterdegradation reate and drug release rate.

结果表明在共聚物中引入酰胺键后，其亲水性得到改善，聚酯酰胺的降解速度和释药速度也随之加快。

The invention has the advantages that: 1 the preparation method is simple, the obtained pine needle essential oil has good quality and higher yield, the yield is increased by 30 to 49 percent or so compared with that of directly adopting the steam distillation; 2 the hydrophilic ionic liquid can be reclaimed and recycled by adopting the ion exchange method, which can not cause the environmental pollution.

本发明的优点：1制备方法简单，得到松针精油质量好，得率较高，比直接采用水蒸气蒸馏法的产率高30～49％左右；2亲水的离子液体可以采用离子交换法回收循环使用，不会造成环境污染。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

本文用重氮树脂为光敏剂，用聚乙烯醇和聚醋酸乙烯酯为成膜剂制作了感光性树脂，研究了聚醋酸乙烯酯对提高感光性树脂的耐水性的作用以及其对体系感度的影响。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

用重氮树脂为光敏剂、聚乙烯醇和聚醋酸乙烯酯为成膜剂制作了感光性树脂，研究了聚醋酸乙烯酯对提高感光性树脂的耐水性的作用以及其对体系感度的影响。

Only the LASS2 protein carboxyl terminal hydrophilic fragment could be expressed in the prokaryote expression system and its polyclonal antibody was produced.

在原核表达系统中仅能够表达其羧基端胞外区片段却不能表达完整的LASS2蛋白，并制备了该片段的抗体。

A Potassium ion transfer and electron transfer between potassium ferricyanide in the aqueous phase and ferrocene in nitrobenzene are observed using potassium ferricyanide/potassium ferrocyanide as the redox couple. Meanwhile, the transfer reactions of some hydrophilic ions (Li〓, Na〓, H〓, K〓 and NH〓〓) are obtained using ferric sulfate/ferrous sulfate as the redox couple.

a以铁氰化钾/亚铁氰化钾为电对观察到钾离子在水/硝基苯界面上的转移和铁氰化钾与三茂铁之间的异相电子转移过程；以硫酸铁/硫酸亚铁为电对观察到强亲水性阳离子(Li〓、Na〓、H〓、K〓和NH〓〓)在水/硝基苯界面上的转移。

In nonionic detergents, hydrophilicity is based on the presence of multiple hydroxyl groups or other hydrophilic groups.

在非离子洗涤剂中，亲水性是基于多羟群和其它亲水残余物的存在而产生。

This paper introduces the preparation,propercies and applications of new nonionic surfacearts,which has polyas its hydrophilic group.

本文概述了新型的以聚氧化乙烯为亲水基的非离子表面活性剂的制备，特性及其应用。

The experimental results being consistent with SEM, EDS and FTIR results, the lipophilic and hydrophilic differences of walnut shell, magnetite and ceramic sand could be ascribed to the differences of their surface physical chemistry structures.

与SEM、EDS、FTIR分析结果一致，核桃壳、磁铁矿和陶粒砂滤料表面亲油亲水性的差别主要归因于其表面物理化学结构的不同。

The LHR values of walnut shell, magnetite particles and ceramic sand were 76.41, 1.057 and 0.8769 respectively, which showed that walnut shell was lipophilic obviously while magnetite and ceramic sand seemed to be hydrophilic.

实验测得核桃壳、磁铁矿和陶粒砂的亲油亲水比依次为76.41、1.057和0.8769，说明核桃壳滤料的亲油性很好，而磁铁矿和陶粒砂滤料表现了更好的亲水性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐