您要查找的是不是：
- 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。
- 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。
- Amphoteric surfactants do not display significant mutation to higher mammals but exert stronger disinfecting influence on microorganisms. 两性表面活性剂对高等生物的致突变作用不明显，但对低等生物却具有较强的杀灭作用。
- The amphoteric surfactants used in leather industry are mainly aminophenol, lycine, imidazoline, polymeric and amphoteric surfactants. 皮革工业中常用的两性表面活性剂主要有氨基酸型、甜菜碱型、咪唑啉型及高分子两性表面活性剂。
- The mildness, cleaning and improved wetting properties, low foaming characteristics,, stability in the presence of alkalis and acids of amphoteric surfactants are related here. 论述了两性表面活性剂的温和性、去污性以及高润湿、低发泡和在碱性或酸性条件下稳定的特性。
- General properties of amphoteric surfactants were introduced such as rheological property,hydrotropic property,lime soap dispersing ability and hard water-resistance. 介绍了两性表面活性剂的流变性、水溶助长性、钙皂分散性和抗硬水性等一般性质。
- We have determined surface tension, cmc, isoelectric zone, foam property, wetting property, emulsification, Krafft point, thickening property and hard waterresisting property of the four kinds of amphoteric surfactants (BS 12, OB 2, LAB, LAO). 本文测定了四种两性表面活性剂（BS－12，OB－2，LAB，LAO）的表面张力、临界胶束浓度（cmc）、等电区、发泡能力、润湿性、乳化作用、Kraft点和增稠性能；
- There are four types of surfactants which could be synthesized from rosin and modified rosin, such as amphoteric surfactants, anionic surfactants, cationic surfactants and nonionic surfactants. 文章综述了国内外近年来以松香和改性松香为主要原料合成表面活性剂及其应用方面的研究进展,分别讨论了这些表面活性剂在使用过程中的主要优势和存在问题。
- It was denoted that the toxicity of amphoteric surfactants is same as that of nonionic surfactants, which is lower than that of ionic surfactants and even lower than the toxicity of ethanol. 指出两性表面活性剂的毒性与非离子表面活性剂一样比离子型表面活性剂的低，甚至比乙醇的还要低。
- It was denoted that the toxicity of amphoteric surfactants is same as that of nonionic surfactants,which is lower than that of ionic surfactants and even lower than the toxicity of ethanol. 指出两性表面活性剂的毒性与非离子表面活性剂一样比离子型表面活性剂的低,甚至比乙醇的还要低。
- The relationship between rhological property and concentration of amphoteric surfactants was discussed,and the method to adjust rhoogical property of mixed systems was proposed,too . 讨论了两性表面活性剂的流变性与表面活性剂浓度之间的关系，并给出了调节混合体系流变性的方法。
- The relationship between rhological property and concentration o f amphoteric surfactants was discussed,and the method to adjust rhoogical proper ty of mixed systems was proposed,too . 讨论了两性表面活性剂的流变性与表面活性剂浓度之间的关系,并给出了调节混合体系流变性的方法。
- Then, two novel betaine-type amphoteric surfactants,N-dehydroabietyl-N,N-dimethyl carboxymethyl betaine and its chloride, were synthesized from the intermediate N,N-dimethyl dehydroabietylamine. 从歧化松香胺中分离提纯去氢枞胺,然后以去氢枞胺为原料,经N,N-二甲基去氢枞胺中间体,合成了N-去氢枞基-N,N-二甲基羧甲基甜菜碱及其氯化物这两种新型甜菜碱类两性表面活性剂。
- 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。
- 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 new opinion to explain why amphoteric surfactant is the best lime soap dispersing agent was given from the view point of mixed micelle theory. 从混合胶束理论出发，对两性表面活性剂是比其他类型表面活性剂更优秀的钙皂分散剂这一事实，作者提出了新见解。
- The length of alkyl carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties. 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。
- Lecithin,which has potential market in the fatliquoring process in leather-making industry,is a natural amphoteric surfactant with abundant resource. 卵磷脂是一种来源丰富的天然两性表面活性剂,可用于制革工业的加脂过程,有较好的应用前景。
- The octodecyl(2 sulfite)ethyl dimethyl ammonium is a new sulfie inner ester amphoteric surfactant and is synthesized from N, N dimethyl octodecyl amine and ethylene sulfite. 由N，N-二甲基十八烷基胺和乙撑亚硫酸酯反应合成的十八烷基（2-亚硫酸）乙基二甲基铵是一种新型的亚硫酸内酯型两性表面活性剂。
