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- But the macromolecule amphoteric polyacryamide effecting on the drainage was much worse than that on retention. 但高分子的聚丙烯酰胺的助滤效果远不及助留效果好。
- The effect of macromolecule amphoteric polyacryamide used as retention and drainage aids in nonwood fiber is studied. 在非木材草类纤维中加入两性高分子聚丙烯酰胺助留、助滤剂,对其效果进行了探索。
- macromolecule amphoteric polyacryamide 两性高分子聚丙烯酰胺
- Amphoteric polyacryamide 两性聚丙烯酰胺
- Abstract: Cationic and amphoteric flocculants have many advantages. 阳离子型高分子絮凝剂及两性高分子絮凝剂具有许多优点
- The autoprotolysis exists in amphoteric compounds too. 在两性化合物中,也存在着质子自递现象。
- Proteins behave either as acids or bases and are said to be amphoteric. 蛋白质习性又像酸又像碱，因此说它是两性的。
- Their oxides are frequently amphoteric , and react with both acids and alkalis. 他们的氧化物通常是两性的，和酸、碱都能反应。
- Moreover,the development trends of amphoteric starch in future are prospected. 此外,对两性淀粉在未来的发展方向予以展望。
- Isoelectric focusing A technique used in ELECTROPHORESIS to separate amphoteric molecules (able to combine with either acids or bases). 等电点聚焦：是一种利用电泳技术分离两性分子（能与酸或碱结合）的技术。
- Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation. 已知在液态HF中，也能说明两性行为溶剂分解或络合物形成作用的反应。
- The length of alkyl, carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties. 摘要甜菜碱表面活性剂的烷基碳链的长度对其表面活性及其它性质有不同程度的影响。
- Environment aspect of amphoteric surfactants such as biodegradation and fish toxity was introduced in detail. 同时，对两性表面活性剂的生态性质.;如生物降解性、鱼毒性等也进行了较为详细的介绍。
- The structure and properties of macroporous strong base - weak acid amphoteric resin were studied by using IR and DTA. 利用红外光谱、差热分析对大孔强碱弱酸两性树脂的结构与性能作些探讨。
- Amphoteric monomer is prepared with acrylic acid,dimethylamine,and chloro-ethanol by Mannich reaction. 以丙烯酸、二甲胺、环氧氯丙烷为原料,通过曼尼希反应制得两性离子单体。
- The applications of products from amino-acid imidazoline amphoteric surfactant were recommended. 介绍了以它为原料制备产品的用途。
- The results indicate that amphoteric could increase the sizing degree of eucalyptus chemimechanical pulp significantly. 研究了两性淀粉对桉木化机浆中性施胶、桉木化机浆的增强和助留的影响。
- Biological activities of amphoteric surfactants to higher or lower organisms were introduced. 介绍了两性表面活性剂的生理活性。
- A novel method for synthesizing the amino-sulfonic acid series amphoteric surfactants was developed. 给出了氨基磺酸系两性表面活性剂的一种新合成方法。
- This kind of amphoteric polyurethane (APU) can form stable nanometer sized waterborne dispersions in acid or alkaline media. 同时还测定了APU的等电点和水分散液中APU分子链上可离子化基团的含量 ;
