1) The type of polar group
极性基团类型
2) Similar cliques
基团类型相似性
3) polar group
极性基团
1.
Surface modifiers with different polar groups,such as,stearic acid diethanolamine,di(β-ethoxyl) stearamine and dioctyl dithiophosphoric acid diethanolamine,were used to prepare three kinds of LaF3 nanoparticles in the mixture solvent of water-ethanol.
以不同极性基团的十八酸二乙醇胺、双β羟乙基十八胺及二辛基二硫代磷酸二乙醇胺为表面修饰剂,在醇-水体系中制备了3种纳米氟化镧粒子,通过透射电镜(TEM)及热重仪(TG)研究了纳米氟化镧粒子的形貌及表面修饰情况,采用离心沉降法考察了纳米粒子在基础油中的分散稳定性,用四球机考察了它们的摩擦学性能,最后采用扫描电子显微镜(SEM)和俄歇电子能谱仪(AES)分析了磨痕表面。
2.
This paper synthesized a kind of oil-solubility viscosity reducer including polar groups and surfaceactive groups.
合成了一种集较强极性基团和表面活性基团为一体的油溶性降黏剂。
3.
At present,pepole often get electrorheological materials with high shear stress by introducting polar groups to inorganic materials,but the effect of content of polar groups and the existence of them on the electrorheological effect are still unclear.
极性分子修饰无机粒子是制备高剪切力电流变材料的常用方法,但目前还未弄清极性基团的存在方式和数量对电流变性能的影响;悬浮粒子粒径大小对巨电流变材料与传统电流变材料性能影响上的显著差异也成为电流变材料领域研究的热点。
4) group polarity
基团极性
5) acid ethanolamine salt
极性基团
1.
A series of aqueous soluble anti-rust additives of aliphatic acid ethanolamine salts were synthesized and studied.
合成并研究了水溶性有机羧酸醇铵盐类防锈剂, 系统地考察了烷链的长度、极性基团、羧基的个数对防锈性能和溶解度的影响。
6) polar functionalities
含极性基团
1.
Silica-based stationary phases containing polar functionalities for high performance liquid chromatography;
含极性基团的硅质高效液相色谱固定相
补充资料:非极性基团
非极性基团non-polargroup
分子中的电子分布不产生显著电偶极矩的有机部分。这种基团对低极性有机溶剂呈现亲和性,并决定了分子的亲油特性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。