withdrawing的例句大全

The [ ( 4-fluoro phenyl) methoxy] acetic acid derivatives ( 5~ 9) were prepared in order to compare electron withdrawing group F with Cl, Br and I in substituted ( phenyl methoxy) acetates the effects of tor learning and memory facilitation in mice.

为研究吸电子基-氟，对苯甲氧基乙酸酯类小鼠学习记忆促进作用的影响，合成了（4-氟苯甲氧基）乙酸衍生物（5～9）。

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The macroporous, strongly acidic, high thermally stable canon exchange resin catalysts were synthesized in the steps of polymerization of styrene and divinylbenzene, purifying copolymer, introducing electron withdrawing group, sulfonation and stabilizing active sites.

通过苯乙烯与二乙烯苯聚合、共聚物纯化、引入吸电子基团、磺化、活性基因稳定化过程，合成耐温强酸阳离子交换树脂催化剂。

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Substitution of the aromatic hydrogen atom of the Schiff base ligand with electron withdrawing group decreased the amount of the complex encapsulated in the zeolite cavities, but could improve the catalytic activity of the encapsulated complex.

席夫碱芳环上的H被吸电子基团取代后，降低了Y分子筛超笼中封装的钴配合物的量，但能改善催化活性。

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The photodegradation experiment showed that the introduction of electron withdrawing group on methane chain would improve the photo-stability of the dye, while electron donating group would decrease the photo-stability.

三种染料与其母核染料的光降解对比试验说明，甲川链上引入吸电子基团使得染料光稳定性提高，而供电子基团则光稳定性下降。

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In chapter 2, we designed and synthesized two novel series of organic dyes by incorporating NC-CH2-COOH as electron withdrawing group at the carbonyl positions of QA skeleton.

在第二章中，我们通过在QA骨架的羰基位置引入吸电子基团NC-CH2-COOH设计并合成了两个系列新颖的有机染料。

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We use N-ethyl carbazole as the electron donating group, and the cyanoacetate as the electron-withdrawing group, connecting the two parts together by converting different II bridge bonds.

以n-乙基咔唑作为供电子基团，氰基乙酸为拉电子基团，通过变换不同的∏桥键来合成。

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The material with benzyl group as the linker shows higher catalytic activity and enantioselectivity than the material with propyl group as the linker, which is mainly due to the spacial rigidity and electron-withdrawing ability of the benzyl group.

研究表明以苄基作为环己二胺联结链的材料的催化活性和光学选择性高于相应的以丙基为联结链所得的材料，这主要归因于苄基的空间刚性和较强的吸电子性质。

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The fast loading technology with the support loading station is successfully applied in the support withdrawing at the fully mechanized coal face in Xinyao Coal Mine.

新窑煤矿在综采工作面支架回撤中成功应用支架装车站快速装车技术，解决了综采工作面搬迁中支架装车速度慢、安全隐患多的问题。

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It introduced the methods of withdrawing needle, pressing time and strength for patients undergoing intravenous transfusion including pressing with cotton bud, pressing with cotton ball, pressing with haemostasis sticking and press strip.

介绍了静脉输液棉签按压、棉球按压、止血贴按压、按压带按压拔针的方法以及按压时间和力度。

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It appeared not that the value of amplitude would decrease after withdrawing the needle, indicating marked difference comparing with control points.

拔针后经穴上的峰值没有降低趋势，与对照点差异明显存在。

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Methods The effects of different pressing blood vessel time in 535 patients were given intravenous injection after withdrawing the needle were observed and the results were analyzed and compared statistically.

方法对535例静脉输液病人拔针后以不同时间按压血管的止血效果进行了观察，并对结果进行统计学分析。

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The withdrawing device of power leads is arranged on an end of the track.

电源线收纳装置配置于轨道的一端。

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The invention discloses a transporting system, which comprises a base, a crane, a withdrawing device of power leads, and power leads.

本发明公开了一种适用于无尘环境中的搬运系统，此搬运系统包括基座、吊车、电源线收纳装置以及电源线。

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Thoughts on the Charge for " Wholesale Cash Withdrawing " and " Odd Money Checking "

对 “ 大额取现 ” 和 “ 零钞清点 ” 收费问题的思考.

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The sixth chapter makes the analysis on the alliance strategy implementation of APAC Resources Limited, including the partner selection, the alliance conformity and achievements, the conflict solution and withdrawing procedure, the corporate internal management system ( flow, organizational structure and human resources management).

第六章从伙伴选择，联盟整合与绩效的产生，冲突解决与退出机制设计，流程、组织结构和人力资源管理等企业内部管理措施四个方面分析了亚太资源有限公司联盟战略的实施。

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They created many poems in Lanting assembly ( a form of arden ) to express their thought of withdrawing.

因此,在园林集会成为一种社会时尚,兰亭集会上,士人共同创制了大量的 隐逸 诗来表达自我的隐逸思想,改变了隐逸诗个性创制的特征,其诗歌又具有一些共同的特征.

期刊摘选

Global Brands Group ( GBG), the licensee for2010 World Cup merchandise, said on Tuesday it was withdrawing its contract from Shanghai Fashion Plastic Products ( SFPPC).

2010年世界杯产品销售商，声称在星期二就已经撤销了上海华声塑胶工艺礼品有限公司的合同。

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He indicated that Spain will step up diplomatic efforts to pressure Rabat into withdrawing its troops from Perejil.

他表示，西班牙将加强外交努力，以迫使拉巴特从佩雷吉尔撤军。

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It is part of theof the private sector withdrawing from the real economy the virtual one.

这是私营部门从实体经济抽血到虚拟经济的冰山的一角.

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He made it clear he had no intention of withdrawing from the political arena.

他清楚地表明他无意退出政治舞台。

《柯林斯高阶英汉双解学习词典》