查询词典 optimizing

Flexicat yellow/blue catalyst produced by CRI was the fourth dehydrogenization catalyst which was used in Daqing 60KTA styrene equipment. We have taken effective ways and means to prolong the validity-period of the catalyst, including improving in-let temperature, adjusting the radio of steam/ethylbenzen, optimizing the operation of compressor etc.

CRI公司的Flexicat yellow/blue催化剂是大庆石化苯乙烯装置应用的第四批乙苯脱氮催化剂，在延长期采取了合理提高入口温度、合理匹配稀释蒸汽的用量、加强尾气压缩机的操作等有效的操作方法，使该催化剂从装填到卸载共运行了35个月，共生产苯乙烯210913吨，使用周期增加46%，增加经济效益1.5亿元。

This work, concentrated on the asymmetric allylation of aldehydes controlled by different chiral auxiliaries prepared from rotational pure tartaric acid, can be divided into three parts.The first part aims to review the developments of chiral drugs and asymmetric synthesis, from which derived the present research topic backgrounds and works.Synthesis and applications of allylation from aldehydes are the second part of the thesis. By optimizing the reaction conditions, such as solvents, temperature, time and chiral auxiliaries like N,N\'-dibenzyl tartamide, N,N\'-p-dimethylphenyl tartamide, N,N\'-o-dimethylphenyl tartamide, N,N\'-o-dichlorophenyl tartamide, N,N\'-a-dinaphyl tartamide, N,N\'-dicyclohexyl tartamide and N,N\'-diphenyl tartamide, ideal experimenttal conditions are obtained according to HPLC monitoring, as well as the auxiliaries\' recoveries experiments. Starting from benzaldehyde and 3-bromopropaldehyde, N,N\'-dibenzyl tartamide is considered the best auxiliary in this reaction.

本文介绍了醛的不对称烯丙基化反应，以光学纯酒石酸为原料，研究了不同构型手性配体在醛的烯丙基化反应中的立体选择性，全文共分三部分十个章节：第一部分对当前手性药物和手性技术进行了概述，并由此展开了本文的研究背景和任务；第二部分为有机合成部分，对醛的不对称烯丙基化反应进行了深入探讨，以苯甲醛为原料对反应条件进行优化，在优化的反应条件下对制备的七种可回收手性酰胺配体(N-苄基酒石酸二酰胺、N-对甲苯基酒石酸二酰胺、N-邻甲苯基酒石酸二酰胺、N-邻氯苯基酒石酸二酰胺、N-a-萘基酒石酸二酰胺、N-环己基酒石酸二酰胺和N-苯基酒石酸二酰胺)进行筛选，优化配体回收实验条件，最终确定出N-苄基酒石酸二酰胺在苯甲醛的不对称烯丙基化反应中具有较大优越性，结晶回收的手性配体光学纯度保持不变。

METHODS Orthogonal design was used as the method of optimizing processing and pinoresinol diglucoside was assayed by RP-HPLC.

用正交设计法优选炮制工艺，采用RP-HPLC法测定松脂醇二葡萄糖苷的含量，作为杜仲质量控制的考察指标进行实验比较。

Finally , author analyzed and compared these two schemes on the aspects of technology and economy according to the wholly structure optimizing process and outcome, and recommended the final scheme of the right banks diversion tunnel of Gongboxia Power Station reconstructed into a horizontal swirling flow internal dissipater tunnel.

最后根据整个体型优化过程与结果，从技术与经济对比分析两个方面，对公伯峡右岸旋流泄洪洞进行了选型研究与方案比较，提出了公伯峡水电站右岸旋流内消能泄洪洞的最终推荐方案。

By improving the real time performance of WindowsNT and optimizing the software frame, the real time performance and divinable performance of interrupt response or thread attemperment based on WindowsNT are improved and datum from multi-node could be simultaneous saved in time.

该系统通过对WindowsNT操作系统的实时性改造和软件架构的优化设计，改善了WindowsNT下中断响应和线程调度的实时性和确定性性能，实现了多节点、任意数据量的同时保存。

At last, based on the theory of healthy ecology system, in order to achieve the duple objects maximizing output and minimizing runoff and wind erosion, the strategy of reconstructing should adjusting measures to local conditions and developing reasonably for optimizing the land use in the North Foot Region of Yinshan Mountain.

最后，根据以上的试验结果，结合当地实际，基于生态系统健康，提出为实现收益最大化和水土流失、风蚀沙化最小化的双重目标，应因地制宜适度开发的生态恢复策略，以优化阴山北麓土地的利用。

Qualitative and quantitative analyses was carried out by gas chromatograph-flame photometric detector. This article focus on optimizing the absorbent, elute and material for secondary cleaning up.

通过对基质固相分散吸附剂、洗脱剂、净化材料与方式的优化，建立了油菜籽中5种常用有机磷农药残留分析的前处理方法。

The results show that, by the way of optimizing preparation condition, the spherical zirconia powders with suitable particle size distribution are prepared using chemical precipitation method. Using heterogeneous chemical precipitation coating technique, the sph, erical nickel coated zirconia powders are prepared and the heterogeneous nucleation can be done on the surface of spherical zirconia powders. The thickness of coated layer, homogeneous degree and crack of surface can be controlled by the way of controlling powder concentration, adding rate of reactants feeding and adding surface active agent.

研究表明，采用化学沉淀法，通过优化制备工艺条件，可以制备粒径分布较均匀的球形氧化锆粉体；利用非均相化学沉淀包裹技术制备的金属镍包裹氧化锆微球粉体，球形氧化锆颗粒表面作为异相成核的场所，通过控制颗粒浓度、加料速度以及添加表面活性剂等工艺条件，可以调控包裹层厚度、表面均匀度以及表面裂纹等。

The article consults strictly standard of national brake experiment and performance demand, reach its to assemble and unassemble to the flywheel group of testing stand of car brake function systematic design undertakes study, introduced a kind of method that has optimizing recombining to flywheel group, assemble and unassemble to its the system undertakes expatiatory.

文章严格参照国家制动器试验标准和性能要求，对汽车制动器性能试验台的飞轮组及其装卸系统设计进行探究，介绍了一种对飞轮组进行优化重组的方法，并对其装卸系统进行详述。

Depending on the discussion hereinbefore, it clarifies the developing strategy for regulating management orientation and improving market situation, which means accumulating strategic resources, cultivating core competencies, optimizing deployment of production elements and utilizing efficiency, to win the comparative preponderance in competition extendedly.

在以上工作基础上，明确了企业调整经营方向、改善竞争状况的发展战略思路，即不断地积累资源、培育能力、优化生产要素的配置结构和利用效率，赢得长久的比较竞争优势。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新