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The modifi cation on the biomaterial surface is the common method to improve the compatibility. 对生物材料表面加以修饰是改善其相容性的常用方法。
In this paper,the effect and modifi cation mechanism of stearic acid was studied,and the mechanical properties of anhydrite/PVC was tested. 研究了硬脂酸改性硬石膏的效果和机理,测试了改性硬石膏应用于型材的力学性能。
This dissertation introduces the main achievements of research in anhydrite's modif ication and builds a compound-stimulation system which has good effect in anhydrite's modifi cation. 介绍了目前硬石膏改性研究的主要成果,并建立了对一种硬石膏具有良好激发效果的复合激发体系;
Keywords attapulgite superfi ne powder surface modifi cation rubber; 凹凸棒石黏土;超细粉体;表面改性;橡胶;
Modified cation emulsified asphalt 粘层油
modified cation resin supported Pt complex 改性阳离子树脂配合铂
Preparation of The Natural modified Tannin Mannich flocculant named ZM-A and ZM-B.By mannich reaction, a sort of natural modified cationic flocculant (ZM series) is attained. 反应时间为4h。用植物胶、乙醇胺和甲醛进行曼尼希反应,制得了ZM-B型絮凝剂,产品为棕红色液体,粘度为246cps左右。
modifi cation 改性
The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
A modified cationic polyhydroxy-compound gel ling fluid as water shutoff is developed.This type of gel has better selectivity.Its field tests are descri bed and the results are satisfactory. 介绍了一种利用阳离子化改性多羟基化合物进行堵水调剖的方法，具有一定的选择性，在油田应用取得了良好效果。
The cation penetrates the spore. 这种阳离子能透入孢子。
Cation, but he seems to be much of a scholar. 据说他未受过高等教育,但他看上去很有学者的风度。
The sodium is removed with cation exchange resin . 钠用阳离子交换树脂来分离。
The cation penetrates the spore . 这种阳离子能透入孢子。
Natural Macromolecule Modified Cationic Flocculant 天然高分子改性阳离子絮凝剂
Modified cation resin support Pt complex catalyst for hydrosilylation of styrene 改性阳离子树脂配合铂催化苯乙烯硅氢加成反应
Neutralize the harmful cation, reduces the radiation electric wave. 中和有害正离子,降低辐射电波。
The univalent cation RN2,in which R is an aromatic hydrocarbon. 重氮基一价阳离子RN2，其中R是芳（旋）烃。
The univalent cation RN2, in which R is an aromatic hydrocarbon. 重氮基一价阳离子RN2，其中R是芳（旋）烃
It analyzes the prospects of appli cation to pests of IPM. 分析了它们在害虫综合治理中的应用前景。