查询词典 method of synthesis

A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.

以氨磺酸为催化剂催化合成了异丁酸丁酯，确定了酯化优化条件。

Our aim has been to work out a successful method of synthesis of this compound.

搞出这种化合物的成功的合成法已是我们的目标。

Based on structural singular value theory, the robust control model for vibration response is built, and the design method of μ- synthesis controller is presented. The main ideal is as follows: by introducing fictive uncertainty, the robust performance problem of vibration response is transformed into the robust stability problem of the augmented system. It can be solved by D K iteration.

基于鲁棒结构奇异值理论，建立了振动响应的鲁棒控制模型，提出了设计鲁棒μ控制器的方法，通过引入虚构的不确定块，将振动系统响应性能的问题转化为广义系统的稳定鲁棒性问题求解，兼顾了系统的稳定鲁棒性和性能鲁棒性。

In this paper the method of synthesis using geometric mean of the judgmentsfor making group decisions in AHP was discussed theoretically.

本文从理论上对群体决策过程程的判断矩阵几何平均综合法进行了分析。

Detonation method is cheap, governable and handy. It can product manifold kinds of compound. It is supplementary method of general synthesis method, may substitute general synthesis method inmany ways.

爆轰方法是一种廉价、可控、简便合成方法，适于多种化合物的合成，可以作为常规合成纳米材料的补充方法，在许多方面有替代常规合成方法的潜能。

Low-valent titanium reagent induced the monomolecular reduction of N-substitutedphthalimides supplied a new method of synthesis hydroxyl lactams. This method was moreeconomic, convenient and in higher yields comparing with other methods reported before,therefore it has practical value.

4低价钛试剂引起邻苯二甲酰亚胺的单分子还原反应提供了一种合成羟基内酰胺的新方法，和文献方法相比，我们的方法试剂便宜易得，毋需溶剂，操作简便，收率也有所提高，具有实用价值。

In this thesis, the methods of surrounding rock masses stability classification on the basis of the geological documentation of muck and the boring parameters of TBM are approached, especially as follows:①The geological documentation of muck and the boring parameters of TBM in the Yellow River Diversion Project.of shanxi province is summarized systematically;②Based on the geological documentation of muck and the boring parameters of TBM, that whether the common methods of surrounding rock masses stability (the methods of regular factor classification) classification are feasible, is carried on the discussion;③According to the corresponding relation of muck and the boring parameters of TBM and the surrounding rock masses stability type, the extension assessment method of tunnel surrounding rock masses stability classification is set up, also the corresponding fortran calculation procedure worked out, and not only rational result in conformity with the reality can be obtained, but also the stability situation of surrounding rock masses in front of the working range can be predicted according to the change of the dependent value in the application instance of Yellow River Diversion Project;④Combining with the application instance of Yellow River Diversion Project, extension assessment method in the application of surrounding rock masses stability classification is compared and verificated in detail by applying fuzzy synthesis method by forefathers, and a certain degree discussion and summary about the application achievement of surrounding rock masses stability classification, which is assessed by extension assessment method and fuzzy synthesis method, are carried on.

本文基于渣料和TBM掘进参数的地质编录提供的地质信息进行了围岩稳定分类方法的探讨，重点进行：①对引黄工程中渣料和TBM掘进参数的地质编录的系统整理；②基于渣料和TBM掘进参数的地质编录获得的地质信息，对常用围岩稳定分类方法是否能够进行围岩稳定分类进行了探讨；③根据渣料和TBM掘进参数与围岩稳定类型的对应关系，应用可拓理论，建立了隧洞围岩稳定分类的可拓评价方法，还编制了相应的fortran计算程序，并在引黄工程的应用实例中不仅取得了与客观实际相符的合理结果，而且根据其关联度值的变化能够预测临近掌子面前方围岩的稳定情况；④结合引黄工程的应用实例运用模糊综合评判方法对可拓评判方法在围岩稳定分类中的应用进行了详细的验证、比较，并对前人在运用可拓学和模糊数学进行岩体稳定评判的应用成果方面，进行了一定的探讨、总结。

Veratrum aldehyde synthesis of many drugs intermediates, methyl aldehyde method for raw materials in Champlain, after dimethyl sulfate methylation available to 20% sodium hydroxide as the solvent, 10-11 in the PH value of the under the conditions of synthesis; microwave irradiation is the use of microwave radiation heating to replace the traditional approach to synthesis of a product of methylation reactions, this method does not require solvents, and less by-products, but still need to use 15% sodium hydroxide to adjust pH.

藜芦醛是许多药物合成的中间体，甲基化法以香兰醛为原料，经过硫酸二甲酯甲基化可得，以20%氢氧化钠为溶剂，在PH值为10-11的条件下合成；微波辐射法是利用微波辐射代替传统加热方式进行甲基化反应合成产物，这种方法不需要溶剂，并且副产物少，但仍需要用15%氢氧化钠来调节酸碱度。

The method of synthesis of N,N-dimethyl-1-aminomethane-1,1-di phosphonic acid N-oxide is introduced.

介绍了一种氨烷基膦酸氮氧化物——二甲基氨基亚甲基二膦酸氮氧化物的合成方法，并进行了缓蚀阻垢性能的研究。

Therefore the method of synthesis ethers is a potential method to pretectalcohols.

因此在本实验中，这种新的合成溴代醚的方法是一种潜在的醇保护的新方法。

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。