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- When Mg2Al-CO3-LDHs was used the anion exchange reaction did not accur. 以Mg2Al-CO3-LDHs为前体，用离子交换的方法不能制备丙烯酸插层水滑石AA-LDHs。
- Polystyrene-divinylbenzene (SDB) is an important hydrophobic catalyst in gas-liquid exchange reactions to separate hydrogenous isotopes. 摘要聚苯乙烯-二乙烯基苯(SDB)是氢同位素分离技术中气-液交换反应重要的疏水催化剂载体。
- This complex reaction is characterized by a keto-enol tautomerism eqilibrium and ester exchange reaction. 此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成。
- A series of poly alkylene succinate was synthesized by ester exchange reactions and the solid electrolytes were made from the polyesters and lithium perchlorate. 以酯交换反应合成了聚丁二酸酯系列,与高氯酸锂制成固体电解质。
- There is close relation betweenthe ATP_b-Pi exchange reaction andenergy transduction of thylakoid mem-brane. ATP_b-Pi 交换反应与类囊体膜的能量转换有密切的关系。
- The catalytic gas liquid isotope exchange reaction is a good method to prepare tritiated triptolid. 采用催化气液同位素交换法制备了氚化雷公藤甲素,探讨了反应时间和反应介质对反应产额的影响。
- The alcohol producing in the exchange reaction reduces the yield of furan phenol by the further by-react... 探讨了呋喃酚环合反应质子酸催化机理。
- Butyl lactate was synthesized by the ester exchange reaction of D,L-lactide and n-butanol under the catalysis of sulfuric acid. 研究了D,L-丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐。
- Takeshi I,Masahiro K,Akihiro P.Process for preparation of glycidyl methacrylate by catalytic ester exchange reaction:JP08239372[P].1996-09-17. 刘亚康;毛优平;金关泰.;丙烯酸缩水甘油酯的合成工艺研究[J]
- After they go through the exchange reaction of macromolecule chain,we obtain polyester-amide hot melt adhesive for textile. 研究了以聚酯胶和聚酰胺胶为原料在催化剂作用下加热共熔,通过大分子链交换反应制备织物用聚酯酰胺热熔胶的方法。
- Preparing fatty acid methyl ester was achieved by reap oil ester exchange reaction by using new type solid alkali catalyst(LDH/LDO). 采用新型固体碱催化剂LDH/LDO进行菜油酯交换反应制备脂肪酸甲酯;产率达98.;5%25以上。
- Chemical Water Treatment Equipment: widely used to produce softened industrial water, desalted water, industrial pure water and urban drinking water through exchange reaction. 化学水处理设备：广泛应用于工业软化水、脱盐水、工业纯水及城市饮用水等方面。通过交换反应，达到水质软化或除盐的目的。
- In this paper,the properties and synthesis process of dimethyl carbonate are systematically reviewed, including ester exchange reaction and methonal carbonyaction. 介绍了碳酸二甲酯的性质及合成方法,包括光气法、酯交换法和甲醇氧化羰基化法及其它方法;
- The common methods used for synthesizing fluorinated aromatic compounds, including direct fluorination and diazotisation as well as halogen exchange reactions were briefly introduced. 介绍了合成含氟芳香族化合物常用的氟取代反应、重氮化反应、卤交换反应,认为卤素交换尤其是脱硝氟代是选择性合成含氟芳香族化合物的有效途径。
- This paper deals with a new synthesis process of organobentonite using highly purified sodium - based bentonite as raw material through ion exchange reaction. 研究了以高纯钠基膨润上为原料,通过离子交换反应合成有机膨润土的工艺,探索了温度、反应时间等对产品质量的影响。
- Put together the pre-esterified grease and the methanol; adopt secondary reaction to eliminate the glycerin engendered in the first reaction to continue the ester exchange reaction. 经预处理的油脂与甲醇一起，采用二步反应，除去初反应中生成的甘油，使酯交换反应继续进行。
- A new kinetic catalytic method has been developed for the determination of gold with the ligand exchange reaction between potassium ferricyanide and EDTA used as indicatory reaction and the orthophenanthroline used as activator. 研究了一种以金为催化剂，以铁氰化钾与EDTA之间的配位体取代反应为指示反应，以邻菲罗啉为活化剂的新的动力学催化法。
- In the present work, silicate as a vector, Cu(II)-exchange silicate was constructured by cation exchange reaction and connected with nano-technology to produce Cu(II)-exchange silicate nanoparticles(CSN). 进而研究了加入不同浓度的LSN和CSN对Caco-2细胞的影响、对这四种细菌粘附和入侵肠上皮细胞的影响以及对肠粘膜形态的影响。
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
