反应的

Hydroisomerization of n hexadecane on zeolite catalysts was studied and the reaction mechanism was discussed, which may provide new clues to developing hydroisomerization catalysts with high selectivity.

对分子筛催化剂上正十六烷的临氢异构化反应进行了研究，考察了不同分子筛催化剂的活性和选择性，并对临氢异构化反应的产物分布进行了分析。

Methods The in vitro cultured porcine vascular endothelial cells and human sera were co-reacted to set up an in vitro model of hyperacute rejection of pig-to-human xenotransplantation.

用体外培养的猪血管内皮细胞和不同人的血清共同反应，建立猪与人异种移植超急性排斥反应的体外实验模型。

Experimental data showed that methyl scopolamine and pyridostigmine could interfere with the thermoregulatory response to open field exposure,and indicated that peripheral cholinergic nerve involved in the control of stress hyperthermic response in the rat.

实验结果表明，吡啶斯的明和甲基东莨菪碱可以影响暴露在开放环境中大鼠的体温调节反应，提示外周胆碱能神经参与大鼠应激性体温过高反应的调节。

Results showed that the effects of wave passage and incoherency on the structural responses are almost identical, and considerations of horizontal multi-support excitations magnify seismic responses of structural members at middle span.

时程分析结果表明，行波效应与部分相干效应对结构地震反应的影响基本一致；水平多点输入的考虑将提高跨中杆件的地震反应。

We studied reactions of sulphoxide with aliphatic and aromatic 1,3-dicarbonyl compounds promoted by Cu2·H2O, 2,2′-biimidazole and iodobenzene diacetate, with the presence of K2CO3 as a base and DMSO a solvent.

我们以K2CO3作为碱，DMSO作为反应的溶剂，在二醋酸碘苯、Cu2·H2O、2，2′-联咪唑体系中，对脂肪族和芳香族的1，3-二羰基化合物和亚砜的反应进行了研究。

It is characterized by that dissolving the isocyanuric acid in aqueous solution of alkali or emulsion, introducing chlorine gas into solution or emulsion respectively at 5-15 deg.C, then drop-adding liquid bromine, finally introducing chlorine gas to make chlorization reaction, and controlling pH value to 2.5-4 to obtain effective chlorine whose content is 54-58% and effective bromine whose content is 46-49%.

其特征在于：将异氰尿酸溶解于碱的水溶液或者是乳浊液中，然后在5～15℃之间分别向溶液或乳浊液中通入氯气、然后滴加液溴、最后通入氯气进行氯化反应，并把反应的最终pH值控制在2.5～4之间，得到总有效氯为54～58％、有效溴含量为46～49％的产品。

According to calculated results, isoelectronic density graphs of all molecules were plotted, then population analysis were carried out, so the properties of molecules and reaction mechanism were illuminated at microcosmic aspect.

同时得到了各驻点分子的等电子密度三维示意图，进行了布居数分析，从微观上阐明了反应中各分子的性质以及反应的机理。

Abstract］ObjectiveTo observe and compare early dynamical pathological changes of acute rejection between homogeneous isogenic and allogeneic cardiac transplantation in rat so as to further elucidate the mechanism of acute rejection.

摘要］目的观察并比较同种同基因和异基因大鼠心脏移植术后早期急性排斥反应的病理改变的动态变化，进一步了解急性排斥反应相关的机理。

The asymmetric synthesis of mandelic acid in the presence of a chiral phase transfer catalyst was also studied.

本文研究了由苯甲醛和卤仿在相转移催化条件下合成扁桃酸的工艺，探讨了反应条件，特别是相转移催化剂的种类对反应的影响。

A series of five-membered lactams containing 1, 3-diene moity were prepared by RCEM reaction, the scope of this reacrion was expanded.

在上述研究的基础上，我们利用烯炔关环复分解反应合成了一系列含 1， 3-二烯结构单元的五元内酰胺化合物，从而进一步拓展了关环复分解反应的应用范围。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。