查询词典 synthesis method

Employment Orientation : This major cultivates competitive engineering technical talents who are well developed morally, intellectually, and physically, are in good command of basic theories of materials synthesis and processing and comprehensive knowledge of process design and electromechanics , and will engage in work with respect to research and development, quality control, and teaching of materials synthesis and processing.

就业方向：本专业培养德、智、体全面发展，掌握材料合成、加工的基本原理以及工艺设计和机电的综合知识，进行材料合成和加工的研究与开发、质量管理和教学工作，并具有竞争能力的工程技术人才。

So to synthesis the key chiral building blocks for these single enantiomer chemical products has become one of the most important and hot fields in organic synthesis.

因而合成这些手性产品的关键手性砌块也成了当前合成界研究的热点。

This paper studied the synthesis and models about the etherification reaction from isoamylene to the tert-amyl methyl ether synthesis.

分析了异戊烯醚化生成甲基叔戊基醚的反应机理及相关的反应动力学模型，以甲醇和乙烯裂解碳五为原料进行醚化反应，分别求得R-E模型、L-H模型的动力学参数。

The optimun technological conditions were studied on the synthesis of 9-flourenylmethanal by the reaction of flouren and ethyl formate , and the synthesis of 9-flourenylmethanol by the reaction of 9-flourenylmethanal and methanal with sodium ethylate as catalyst.

研究了乙醇钠为催化剂，由芴与甲酸乙酯合成芴甲醛，再由芴甲醛与甲醛合成苯甲醇的工艺条件，结果表明：合成芴甲醛时，当芴为 16g时，催化剂乙醇钠 4 。

The successful synthesis of 1 provides us an intriguing reaction in which acetate is turned into formate under the hydrothermal synthesis conditions.

化合物1的成功合成使我们发现了一个由乙酸盐直接转化为甲酸盐的全新的化学反应方法。

This paper expounded the limitation of cocurrent synthesis of sodium formate,put for adverse current synthesis and discussed the advance of this technology.

阐述了并流合成甲酸钠的缺陷，提出逆流方案及这一技术的优势。

In combination with oscillation free uniform B-spline interpolation, a pre-controlled optimal synthesis of tool-path arrangement is realized. Furthermore, the practicability and efficiency of the synthesis is verified.

2提出并实现了基于直线插补的净边界切削和基于Hermite插补的光滑过渡法的未加工边界切削二种刀具转向处理方法，完善了刀具轨迹规划。

The thesis made a study on the construction of the road transportation in Inner Mongolia. Through analyzing the social economys development, the present of synthesis transportation and the infrastructure, the equipment of goods traffic and the present situation of the operation and the management, the problems between road transportation and social economic development in the structure in Inner Mongolia were pointed out. Then the methods of regression forecast, flexible coefficient, and straight line tendency forecast etc were used to estimate the quantities of the goods and Freight Ton-kilometers. According to the future demands of goods volume of road transported and the development of freight transportation turnover quantity in Inner Mongolia and the existence question, the adjustment plan of the road goods traffic station yard layout, network structure transports strength structure and service system have been proposed, and then the synthesis appraisal of the plan has been carried on, the Inner Mongolia road goods traffic structure adjustment safeguard measure was proposed.

本论文以内蒙古自治区公路货物运输的结构性为研究对象，通过分析社会经济发展、综合运输现状及基础设施、货物运输装备、运营与管理现状等，指出了目前内蒙古自治区公路货物运输与社会经济发展、综合运输发展在结构方面存在的问题：运用相关线性回归分析、弹性系数法、直线趋势预测等方法，对内蒙古自治区公路货物运输未来的货运量和货运周转量进行了预测；根据未来内蒙古自治区公路货运量和货运周转量的发展需求与存在的问题，提出了公路货物运输路网结构、站场布局、运力结构、服务体系等方面的调整方案，并对方案进行了综合评价；提出了内蒙古自治区公路货物运输结构调整的保障措施。

The synthesis and application of Grignard reagent play a very important role in the teaching of the organic chemistry and organic experiment. The students must hold the experiment on synthesis of Grignard reagent which has been placed on the organic experimental books.

格氏试剂的制备及其应用在有机化学及实验教学中占有非常重要的地位，是学生必须掌握的一类实验，是各类有机化学实验教材中必列的实验内容。

In this paper,the design of hapten synthesis,the synthesis of hapten-protein conjugation,the pre-treatment of sample as well as the application of the immunoassay in residues detection of insecticides,fungicides,herbicides,and growth regulators,were introduced and...

本文简要介绍了农药残留免疫分析方法建立中半抗原合成设计、人工免疫抗原合成、样品前处理等技术的关键环节和免疫分析技术在杀虫剂、杀菌剂、除草剂和生长调节剂等农药残留快速监测中的应用进展，并对农药残留免疫分析技术存在的问题和应用前景进行了讨论。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。