查询词典 synthesizing

By comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure, the better method of synthesizing 2 ethylhexyl chloroacetate is using stannous oxide as catalyst under negative pressure.

通过对三种催化酯化反应的脱水方法及负压下使用不同催化剂的比较和选择，提出了以氧化亚锡为催化剂负压脱水合成氯乙酸2乙基己酯的方法。

Finally, the author summarizes and makes a comparison of the Fuzzy Synthesizing Evaluation Model method ^ Coalescent Evaluation Model method and the Analytic Hierarchy Process method.

其次，对企业技术创新能力评价方法进行综述和评析，确定以数学模型综合评价作为本文评价企业技术创新能力的方法，并构建了企业技术创新能力的评价指标体系。

Applied rabbit anti-5-HT and mouse monoclonal anti-TPH antisera, the localization of 5-HT and its synthesizing enzyme TPH in the visual system, midbrain, and suboesophageal ganglion of the beetle Harmonia axyridis (Coleoptera: Coccinellidae) was studied by Streptavidin-Peroxidase immunohistochemical method on Colophony-Paraffin embedded serial sections.

运用树脂石蜡组织包埋切片技术，结合免疫组化链霉菌抗生物素蛋白-过氧化物酶双染法，采用兔抗5-HT抗血清和鼠抗TPH单克隆抗体，初步构建了异色瓢虫Harmonia axyridis视觉系统、脑中部及咽下神经节5-HT及其合成酶TPH抗原系统的免疫组织化学反应模式。

Applied rabbit anti-5-HT and mouse monoclonal anti-TPH antisera, the localization of5-HT and its synthesizing enzyme TPH in the visual system, midbrain, and suboesophagealganglion of the beetle Harmonia axyridis (Coleoptera: Coccinellidae) was studied byStreptavidin-Peroxidase immunohistochemical method on Colophony-Paraffin embeddedserial sections. An overall observation reveals that the brain structure of the beetle is relativelydistinct.

运用树脂石蜡组织包埋切片技术，结合免疫组化链霉菌抗生物素蛋白-过氧化物酶双染法，采用兔抗5-HT抗血清和鼠抗TPH单克隆抗体，初步构建了异色瓢虫Harmoniaaxyridis视觉系统、脑中部及咽下神经节5-HT及其合成酶TPH抗原系统的免疫组织化学反应模式。

We succeeded in synthesizing two different segments: C〓-C〓 and C〓-C〓, employing Sharpless dihydroxylation reaction, Julia coupling and samarium diiodide mediated reaction as the key steps.

我们从单保护的1，3-丙二醇出发，以Sharpless不对称双羟化反应，Julia偶联反应以及SmI〓参与的反应为关键步骤，经过艰苦的多条合成路线的尝试与探索，成功的得到了Phorboxazole A B的两个不同的边链部分C〓-C〓和C〓-C〓。

In this paper, the performance of polyamide modified by dimeric fatty acid, and the application study in synthesizing binder used for printing ink prepared from this kind of polyamide resin.

本文主要介绍了二聚酸基聚酰胺树脂的特性，及其在油墨连接料合成中的应用研究，并展望了其发展前景。

Recent method of synthesizing 3,5-xylenol is sulpho alkaline fusion of dimethylbenzene, it is a very complicated procedure with serious pollution and low-pure products.

国内目前生产工艺是间二甲苯的磺化碱熔法，该方法工艺过程复杂、污染严重，并且产品纯度不高。

In this article, we have been investigated that synthesizing and properties of shape memory polyurethane. The shape memory polyurethane was synthesized from PCL diol, MDI(4, 4'-diphenylmethane diisocyanate) and BDO (1,4-butanediol) in this experiment. We analyzed that the effect of differential mole ratio of monomers to synthesized SMPU. Besides, the various concentrations of Nano-silver were mixed with SMPU. Mechanical properties and shape memory behavior of SMPU nanocomposite films were investigated.

本研究目的为藉由改变4，4'-二苯甲基二异氰酸盐(4，4'-diphenylmethane diisocyanate， MDI)/聚己内酯二元醇(polycaprolactone diol， PCL diol)/1，4-丁二醇(1，4-butanediol， BDO)等不同莫耳比制备形状记忆型聚氨基甲酸酯(Shape Memory Polyurethane， SMPU)；并探讨改变不同单体莫耳比及添加不同浓度奈米银溶液对其物性及形状记忆性的影响。

According to the functional requirements of AC servo system and the modularize design method of FPGA. The whole system is divided some modules. Then designing those modules dividually and synthesizing them to finish the system.

针对交流伺服控制系统的功能要求，根据FPGA模块化设计的特点，把整个设计任务划分为若干功能模块，分别对这些模块进行设计，最后把各个功能模块进行综合，以完成整个设计。

The former, synthesizing the good properties of both PA and ABS, has good impact toughness and ductibility at low temperature, and is suitable for use in severe working conditions owing to good wear resistance and drug resistance; the later also has good impact toughness and ductibility, and is more worthy of popularization owing to lower cost.

前者综合了PA和ABS的优良特性，在低温条件下具有高的冲击韧性和良好的延展性，且优良的耐磨性和耐药性可适应井下恶劣工况；后者同样具有良好的低温冲击韧性和延展性，同时由于POE价格低廉，更具有推广意义。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐