优化

The fermentation condition of Acetobacter xylinuml.1812 has been optimized by single factor and orthogonal experiments including the components of medium and the initial fermentation condition and the fermentation parameters.

通过单因素和正交试验，优化了木醋杆菌产细菌纤维素的发酵条件，包括培养基成份的优化、初始发酵条件的优化和发酵动力学参数的测定。

On the base, integrated development environment of VB is used to develop software of simulation and optimization of AHT cycle system. After the software ASS is developed, it is applied to an industrial instance, including process simulation, thermal analysis and specific heating load optimization.

在此基础上，利用VB集成开发环境，展开了AHT吸收循环系统模拟优化软件的开发工作，并开发出软件ASS，实现了过程模拟优化计算，包括：过程模拟、热力学分析和比供热率优化等计算模块。

The overall yield was 43.6%.The yield of reduce of ester was increased nearly one times than the past method because of KBH4-LiCl as the reducing agent instead of NaBH4. Changing the reaction conditions of bromization, the one-way yield enhanced 30%. The yield of reduce of the bromide was added by one times by improving the process. Tefluthrin was achieved by the catalytic esterification of DCC and DMAP.

优化后工艺对四氟对苯二甲酯的还原采用了廉价高效的还原试剂KBH4-LiCl，使收率比NaBH4法提高了近一倍；对溴化反应条件进行了优化，单程收率提高了30%；对溴化物还原条件的优化，使其收率提高了近一倍；采用了催化剂DCC和DMAP合成了最终产品七氟菊酯。

The outcome shows that the parameter optimization is completed commendably by the optimized flow.

结果表明，基于优化方法的优化流程很好地完成了3种X射线源的同轴相衬成像参数优化。

An optimization model of electricity and heat efficiency about intermediate frequency coreless induction furnace in the nonmagnetic process is established by using some restriction parameters such as power supply frequency and the diameter of steel stab,and its optimization design is done based on particle swarm optimization algorithms.

以电源频率和坯料直径为约束参数，建立了无芯中频感应电炉无磁性期电热效率优化模型，采用粒子群优化算法对其进行了优化。

By introduction of two key indexes for risk evaluation,i.e.the activity criticality index and cruciality index and adoption of 0??1 integer programming algorithm,a resource reallocation model and a calculating method were established for time-resources tradeoffs of PERT resource-constrained scheduling.An application program according to the function of tradeoff algorithm was complied by use of Delphi 7.0 and Lindo software.

针对资源限制下PERT施工进度计划的工期资源优化问题，引进评价风险量的关键指标———活动关键度指标和重要度指标，采用0-1整数规划技术，建立资源配置优化模型以及优化计算方法；运用Delphi7.0和Lindo工具，开发了该方法的应用程序，并结合实例进行了应用。

By simulation, the optimal operation conditions were gained in every step in the separation process, and polymerization-class isoprene was gained by the process. And to improve the economy of process, the process was studied by simulation, 99% cyclopentene and 1, 3-pentadiene were gained by continuous separation process. All were the base of the process industrialization.

通过模拟研究，得到分离各步的最佳塔高，进料位置和各种操作条件；并进行了全流程的模拟优化得到聚合级的异戊二烯的各种工艺参数；通过模拟研究对分离工艺进一步深化，得到了从C5中分离出环戊烯和间戊二烯的优化工艺条件，对工艺经济性进一步优化，给过程工业化提供了依据。

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。

If we want to achieves this aim, we need to reslove the connotation, content, function and characteristic of enterprise niche optimization, overall explanate the importantance of enterprise niche optimization, rational construct the strategic system of enterprise niche optimization.

这一目标的顺利实现既离不开对企业生态位优化的内涵、内容、职能和特点的系统解析，也离不开对企业生态位优化的重要性的全面阐释，更离不开对企业生态位优化策略体系的合理建构。

Although,search engine is optimized special major, but the principle is link of the structure that adopts pair of websites to make, content, layout, inside and outside nevertheless undertake according with searching engine to adjust and be revised friendlily, SEO does not have enigmatic secret already but character, also do not have Ji of secret of what all corners of the country, normal service business should undertake for the client systematic website is optimized not only, should allow optimized principle and adoption method the client witting more (unless the client is too busy attend to, complete outside the bag is in charge of) to service business.

搜索引擎优化虽然非常专业，但原理不过是通过对网站制作的结构、内容、布局、内外链接等进行符合搜索引擎友好的调整和修改，SEO既没有高深莫测的秘密可言，也没有什么江湖秘笈，正规的服务商不仅要为客户进行系统的网站优化，更应该将优化的原理和采用的方法让客户知晓(除非客户无暇顾及，完全外包给服务商负责)。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。