该词条未找到_海词词典

您要查找的是不是：

Keywords reaction media;dispersant;CPAM;dispersion polymerization; 分散介质;分散剂;阳离子聚丙烯酰胺;分散聚合;
Clean catalysis using ionic liquids as reaction media and catalysts. 离子液体在清洁催化中的应用。
The encapsulated catalyst may recovered from the reaction medium and re-cycled. 包封的催化剂可以从反应介质中回收并重新循环使用。
The proanthocyanidin content in the ultrafine powder of grape seed was determined in n-butanol-HCl reaction medium. 以正丁醇-盐酸为铁盐催化法的反应介质,测定了葡萄籽超微粉中的原花青素含量。
In this paper,the applications of SCF to seperation,analysis,meterial preparation and as reaction medium are reviewed. 本文综述了其在分离、分析、材料制备和作为反应介质等方面的应用现状。
The selectivity and activity of enzyme in the reaction media, especially in ionic liquids and supercritical liquids was reviewed in the paper. 文章以溶剂分类，探讨溶剂，特别是引入新的反应介质－离子液体和超临界流体对酶催化活性和选择性的影响。
The use of IL as reaction media for biocatalysis in these years is discussed.Enzymes of widely diverging types are catalytically active in IL or aqueous biphasic IL systems. 说明了不同类别的酶在离子液体或水合离子液体两相体系中具有催化活性，尤其是脂肪酶，在无水的离子液体介质反应体系中不仅能保持很好的活性，其手性选择性和操作稳定性往往优于传统介质中的表现。
With fictitious variables, the effects of different kinds of amino acids, carbohydrates and reaction media on Millard Reaction under microwave heating were discussed. 运用虚拟变量讨论不同种类的氨基酸、糖、反应液在微波加热下对美拉德反应的影响。
In specific reaction medium, glyphosate-isopropylamine TC were synthesized using glyphosate and isopropylamine as starting material. 摘要在特定反应介质中，采用草甘膦酸和异丙胺为原料合成了草甘膦异丙胺盐原药。
It also intro- duces the application of supercritical carbon dioxide as SFE liquid and chemical reaction medium in daily chemical industry. 介绍了超临界流体的特性、萃取原理及超临界二氧化碳作为 SFE 溶剂、作为化学反应介质在日用化工中的应用。
In this system good regioselectivity can be achieved mainly because of the existence of a porous support and the low dielectric constant of the reaction media. 一定条件下该硝化剂具有较好的反应位置选择性，这一是由于反应介质低的介电常数，二是多孔载体也具有明显的作用。
In the bromization reaction of LA, the reaction conditions such as reaction temperature, drop time of Br2 and reaction medium were optimized. 优化溴化反应温度、液溴滴加速率、反应介质用量等溴化反应条件；
Utilizing biological technique on modification of them was emphasized and the choices of reaction media,water activity and biocatalyst by biological method were introduced. 重点介绍了生物技术方法对其改性的优越性及在生物改性过程中反应介质、水活度、生物催化剂选择上所面临的挑战。
Keywords Reaction rate;Carbonation;Nitrification.; 反应速率;碳化;硝化;
Keywords reaction rules;stereochemistry;teaching; 反应规律;立体化学;教学;
The optimum pH values for the activating reaction medium for the three wood species were all within the acidic range, though there are some slight differences among them. 不同树种木纤维进行酶活化反应时介质最佳pH值均在酸性范围,但略有差别。
The Al203:Ti crystals are synthesized when the Ti irons are added into the reaction medium and orange color sapphire crystals are obtained when the Mn irons were added. 在前驱物中掺入适量的Ti化合物时，合成出Al_2O_3:Ti宝石晶体；前驱物中掺入适量的Mn化合物时，合成出橙色蓝宝石晶体。
Four applications of supercritical CO_(2): extraction,cell lysis and preparation of microparticles,reaction medium,and abstersion,especially in tobacco industry are reviewed. 综述了超临界CO2的四个主要应用方向,即萃取、细胞破壁和微粒制造、反应溶剂以及SCCO2洗涤,着重总结了在烟草工业上的应用。
Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxi-dation of alkenes with hydrogen peroxide have been reviewed. 以反应介质和主催化元素为线索;对双氧水为氧源的烯烃环氧化反应的最新研究进展进行了综述.
Oxidative desulfurization was carried out by catalyst via ultrasound with H2O2 as an oxidant, acid mixture with V(H3PO4):V(H2SO4)1:1 as reaction medium. 以H2O2为氧化剂，以磷酸和硫酸混合作酸促进剂（V(H3PO4):V(H2SO4)为1:1），再加入催化剂在超声波下对柴油进行氧化。