水溶性树脂

Objective: To purify caffeic acid tetramer with macroporous resin on the basis of its fundamental physicochemical stability research.

中文摘要：目的：初步研究咖啡酸四聚体的理化稳定性的基础上选择合适的大孔吸附树脂，去除杂质，提高紫草水溶性部分中有效成分咖啡酸四聚体的含量。

Urethane adduct was synthesized from decarboxylated cashew nut shell liquid,hexamethylenediisocynate and polyethylglycol,which was then reacted with melamineformaldehyde resin to form aqueous coating material.

采用天然植物油、己二异氰酸酯和聚乙二醇在较温和的条件下反应，制得了水溶性的氨基甲酸酯加成物，以此和低醚化度甲醚化三聚氰氨甲醚甲醛树脂制备了水性涂料。

The water-soluble holothurian glycosides were purified by macroporous resin and silica gel column chromatograghy, and the antifungal activities of different glycoside fractions were investigated.

先后利用大孔树脂柱层析和硅胶柱层析对水溶性海参皂苷进行了纯化，并对各种纯化组分的抗真菌活性进行了测定。

The research of aqueous vehicles should be focused on the syntheses of the water-solubility new or modified polymers such as polyacrylic acid, alkyd resin, polyurethane, polyvinyl alcohol, epoxy resin, etc as well as the suitable additives of dispersants, leveling agents, and antifoaming agents.

水性载体的研究重点在于合成新型或改性的水溶性聚丙烯酸、醇酸树脂、聚氨酯、聚乙烯醇、环氧树脂等以及与它们配套的水性分散剂、流平剂、消泡剂等助剂；其中改性聚丙烯酸将有可能在高温电子浆料中率先应用。

The multi-inhibited system composed of alum and hydrotropic cationic polymer was employed to hinder the migration of the latex binder.

探讨了明矾与带正电荷的水溶性聚合物复配体系对阻碍增强树脂热迁移的作用。

It was helpful that the application range and development future of the itaconic epoxy resin could be expanded.

希望能够拓展衣康酸环氧酯树脂的应用范围，为水性高分子涂料和水溶性高分子电解质产品的研究带来一些有益的启发。

Methods With the extraction yield of volatile oils, contents of evodiamine and rutaecarpine metered by HPLC as indexes, the extraction efficiency of the above-mentioned combined extraction method was evaluated.

以挥发油得率、吴茱萸碱和吴茱萸次碱保留率及药材中生物碱和水溶性成分的HPLC图谱为指标，考察水蒸气蒸馏-醇提过大孔树脂柱联用工艺对保留吴茱萸有效成分的影响。

Water-soluble ; alkyd resin ; synthetize ; use

水溶性；醇酸树脂；合成；应用

Application: The product is soluble zwitterionic resin,it can highten the stiffness and dry strength of paper.

本品为水溶性两性分子树脂。能有效地提高纸张的挺度、干强度。

The production of crop specific controlled release BB fertilizer is simple and easy to do by mixing different nutrient-lapsed time fertilizers according the different nutrient demand ratio of crops,it should be the developing direction of compound fertilizer in China.

分析了树脂和硫磺包裹尿素缓释肥料发展缓慢的原因和弊端，提出以水溶性聚合物作为尿素和复混肥料的包膜胶结和内质缓释剂，具有降解快对作物无害改善土壤结构成本低等特点，将促进缓释肥料的发展采用生产不同时间段释放养分的缓释肥，按作物不同生育期对养分的需求比例掺混在一起，生产作物专用的缓/控释BB肥料简单易行，应是我国缓/控释肥料的发展方向

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了