It was found that the reaction of synthesis of lead stearate by direct method in aqueous medium could be accelerated markedly by ammonium salts. 研究发现铵盐对水介质直接法合成硬脂酸铅反应具有显著的催化加速作用。
The graft copolymerization of acrylamide onto xanthan gum initiated by ammonium persulfate in aqueous medium was studied under a nitrogen atmosphere. 以过硫酸铵为引发剂,在氮气保护下,研究了黄原胶与丙烯酰胺的接枝共聚反应。
Investigation of dispersion for nano-TiO_2 in the aqueous medium 纳米TiO2在水性介质中的分散研究
Mensuration of Critical Salt Concentration of Particle Release in Aqueous Medium 含水介质中粘粒释放的临界盐浓度测定
Evaluation of the elimination and biodegradability of organic compounds in an aqueous medium-activated sludge simulation test 水介质中有机化合物的清除和生物降解能力的评定-活性污泥的模拟试验
Dispersion polymerization of Acrylamide with Acrylic Acid in Aqueous medium 水介质中丙烯酰胺与丙烯酸的分散聚合
A new technology of wet method for synthesis of magnesium stearate by saponification of stearic acid with fleshly formed magnesium hydroxide in aqueous medium is described. 介绍一种在水介质中由硬脂酸与新生成的氢氧化镁进行皂化反应合成硬脂酸镁的湿法新工艺。
Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium 含水介质生物降解能力的连续测定用不纯水可溶有机化合物的处理和制备导则
De-aggregation of nano-TiO_2 soft agglomeration in aqueous medium 水相介质中纳米TiO2粒子软团聚体的解团聚
Research on Enhancing the Dispersion Behavior of Tourmaline/ TiO_2 Composite Powder in Aqueous Medium 提高电气石/TiO2复合粉体材料在水介质中分散性的实验研究
Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds-determination of biochemical oxygen demand in a two-phase closed bottle test 水介质中有机化合物的基本好氧生物降解能力的评价-在两段封闭瓶试验中生化需氧量的测定
The graft-copolymerization of butyl acrylate onto gelatin was carried out in aqueous medium using ceric ammonium nitrate as redox initiator. 在本文的这部份中,研究了以硝酸铈铵为引发剂在明胶上接枝丙烯酸丁酯的反应条件。
Influence of Plasma on the Efficacy of Ozone in Aqueous Medium 血浆对臭氧在水介质中杀菌效果影响的研究
Preparation and performance test of two-package water-borne fluorine acrylic/ polyurethane coatings Dispersion polymerization of Acrylamide with Acrylic Acid in Aqueous medium 水性双组分氟丙烯酸&聚氨酯涂料的研制及性能测试水介质中丙烯酰胺与丙烯酸的分散聚合
Preparation and chromatographic performance of phenylalanine molecularly imprinted polymers on silica gel in aqueous medium 水相中制备硅胶表面分子印迹聚合物及色谱性能研究
Paints and varnishes ( including enamels and lacquers) based on synthetic polymers or chemically modified natural polymers, dispersed or dissolved in an aqueous medium. 以合成聚合物或化学改性天然聚合物为基本成分的油漆及清漆(包括瓷漆及大漆),分散于或溶于水介质的。
And its alteration process was promoted by the presence of the alkaline aqueous medium. 其蚀变过程是在碱性水介质参与下完成的。
It was shown that the solubility in water of the dye synthesized in aqueous medium was better than that by the baking method. 合成方法分别采用了焙烘法和水介质中合成。结果表明,水介质中合成的含葡萄糖基水溶性硫化黑溶解度好于焙烘法。
The effect of magnetic treatment on clay swelling in aqueous medium 磁处理对粘土在水和药剂水溶液中膨胀的影响
Radical Polymerization of Methyl Methacrylate Initiated by Cobalt(ⅱ) Alginate Complex Membrane and Sodium SulFite in Aqueous Medium 甲基丙烯酸甲酯在褐藻酸钴(Ⅱ)络合物膜、亚硫酸钠和水介质中的自由基聚合
Methacrylic acid ( MAA) was grafted by copolymerization on chitosan ( Ch) using ceric ammonium nitrate ( CAN) and ethylenediamine tetraacetic acid ( EDTA) as redox initiator in aqueous medium. 以硝酸铈铵-乙二胺四乙酸(CAN-EDTA)为引发剂,研究了壳聚糖与甲基丙烯酸(MAA)的接枝共聚反应。
The dispersion and flocculation behaviours of extremely fine talc in aqueous medium are described in this paper. 研究了微细粒滑石在水介质中的分散与聚团行为。
The chemical stability modified by Z-6040 is the best in aqueous medium. 水介质中,用Z-6040修饰后的磁流体稳定性最好。
The influence of aqueous medium, coexisted ions, extraction device as well as phase ratio has been investigated. 考察了水相介质,共存离子、萃取装置、相比等因素的影响。
Surface Modification of Nano-diamond in Aqueous Medium 水介质中纳米金刚石表面改性研究
The graft copolymers of silk sericin and methyl methacrylate were synthesized by using ceric ammonium nitrate as initiator in acidic aqueous medium. The graft copolymers were characterized by~ 1H NMR, IR, SEM and GPC. 在酸性水介质中,以硝酸铈铵为引发剂合成了丝胶-甲基丙烯酸甲酯接枝共聚物,其结构经1HNMR,IR,SEM和GPC表征。
Development of Study on Precipitation Polymerization of Acrylonitrile in Aqueous Medium 丙烯腈水相沉淀聚合研究进展
In this paper the progress of catalytic asymmetric hydrogenation in aqueous two-phases system was reviewed. The lower enantioselectivity in aqueous medium was mainly due to the role of water. 综述了近年来水/有机两相催化体系中的催化不对称加氢研究进展,以及两相体系不对称加氢反应中对映选择性下降与水作为溶剂的关系、水的作用和提高对映选择性的方法。
Graft copolymerization of acrylonitrile onto coal humic acids was studied in aqueous medium at low pH. 研究了低pH水溶液中丙烯腈与煤腐植酸的接枝共聚反应。
On addition of aqueous medium, liposomal nimodipine with high entrapment efficiency and homogeneous particle size distribution was obtained. 结果表明:用单相溶液冻干法获得了包封率高、粒径小且分布均匀、无溶血性的尼莫地平脂质体。