catalytic

The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.

聚合物载体-钕络合物催化剂具有很高的催化性和定向效应.

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂碘代苯与丙烯酸乙酯反应的催化性能及循环使用性能。

The product has good catalytic property for the formation of diene stereospecific polymers.

制得的叔碳酸钕具有二烯烃良好的定向聚合性。

A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

绍以双丙酮醇为原料,经催化加氢合成异己二醇的方法。

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反应产额的影响。

Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文研究了在相移催化条件下两可亲核试剂不同位置的烷基化反应。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化合成苯乙醚。

The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.

用分子氧催化氧化联二脲制取ADC发泡剂进行了探讨。

The wall catalytic effect is an important factor determining aerothermal heating intensity in the chemical non-equilibrium gas model.

通过与完全气体模型进行了比较，结果发现无论气动力还是气动热都有较大差别。

It is reseached that the process of catalytic cross-bridging in synthetic ketonic residuum resin and obtained that the utility resin.

酮渣油是化工生产中的工业废料,经催化交联制成树脂,于经济和环保方面都有意义。

The Applications of Arylboronic Acid in biaryl synthesis,synthesis of diaryl ethers,synthesis of aromatic amines and catalytic addition reactions were summarized.

综述了芳基硼酸在联芳基合成、二芳基醚合成、芳香胺合成和催化加成反应中的应用。

Using a colloidal Pd catalytic system to metalize the surface of precipitators separated from coal fly-ash,the metals such as Cu,Ni,etc.

采用化学镀膜的方法,在空心微珠(沉珠和漂珠)表面进行金属化处理。

It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.

在硫酸中,利用酚催化溴酸钠氧化花青的反应,联用顺序注射技术建立了顺序注射催化动力学光度法测定废水中痕量酚的新方法。

Preparation process of p cymene with gas phase catalytic dehydrogenation of industrial dipentene was studied and the following results were obtained.

工业双戊烯气相催化脱氢制备伞花烃进行了研究并取得了理想结果。

The present invention is improved separating pipe of multitubular cyclonic separator for the fume energy recovering system in petrochemical catalytic cracker.

本发明是现有多管式旋风分离器的分离单管的一种改进，主要用于石油化工厂催化裂化装置和催化裂解装置的烟气能量回收系统。

Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.

以丙酮为原料，经氯化、气相氟化、气相氢化及氟甲基化等一系列改进的方法合成了七氟醚，提供了一条新的合成路线。

To know the effects of internal and external diffusion on gas-solid catalytic reaction, to grasp the common models of liquid-solid uncatalyzed reaction.

掌握理想流动模型；了解多釜串联模型与轴向分散模型模型设计方程的推导过程。

Much of their current research cuts across boundaries to include fields such as archaeological, bioorganic, bioinorganic, biophysical, catalytic, medicinal, and solid-state chemistry.

简[英]: They offer PhD programs in the fields of analytical, inorganic, organic, and physical chemistry as well as biochemistry and chemical physics.

Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed.

莰烯在阳离子交换树脂固定床催化下与乙醇反应生成异菠基乙醚。

Kinetic constant and apparent activation energy of iodine catalytic reaction of ascorbic acid oxidation Naphth Green B have been determined by spectrophotometric method.

本文采用分光光度法测定了碘催化抗坏血酸氧化萘酚绿B反应的反应速度常数和表观化能。