配
- 与 配 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on the analysis of finished auto's loading/unloading process of AnJi-TNT Logistics, propose the maximum transportation capacity optimization of every Car-carrier loading with different goods-cars. Construct the scheme database of optimization for Car-carriers'loading in SQL-server 2000 database software. The optimization toward loading orders in customization is resolved with maximum transportation's capacity algorithm and matching scale method with Visual Basic background.
本文结合安吉天地汽车物流有限公司整车物流调度系统的配载流程进行分析,通过整数规划计算出每辆轿运车针对不同商品车的最大运能配载方案,在SQL-Server数据库平台下,对这些最大运能配载方案按一定规则保存并进行数据库的管理,最后利用事例推理在Visual Basic开发环境下提供面向客户混装订单的轿运车配载方案优化的解决方案,并进行了实例验证。
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The B and Q bands, the characteristic bands of the two metalloporphyrins, undergo bathochromic shift in some of the Lewis basic solvents. The spectral changes are thought to be due to the axial coordination of these solvents with vanadium in VOTPP and nickel in NiTPP. After axia...
结果表明,金属卟啉可以和一些Lewis碱性溶剂发生轴向配位作用,其特征紫外可见吸收峰发生红移;轴向配位作用与卟啉中心金属离子的外层d轨道电子数、碱性溶剂的供电子能力及其空间构造有关,VOTPP比NiTPP更容易和Lewis碱性溶剂发生轴向配位作用;碱性强、空间阻碍小的Lewis碱性溶剂易于与金属卟啉发生轴向配位作用。
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By using different bidentate auxiliary ligands, a number of one- and two-dimensional azido-bridged coordination polymers and molecular magnets were synthesized, including some with novel structures, and the influences of the ligands on the structure and the magneto-structural correlations in some systems were analyzed.
以不同二齿配体为辅助配体合成了多种一维及二维叠氮桥配位聚合物和分子磁体,较系统地分析了辅助配体对结构的影响及部分体系的磁构关系,并获得几种新的叠氮桥联结构类型。
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A series of novel chiral aminophosphine ligands with binaphthyl backbone and partially reduced binaphthyl backbone were synthesized from optically pure NOBIN and H〓-NOBIN respectively. The effects of binaphthyl backbone and substitutes at the phosphorous atom on Pd (0)-catalyzed allylation of racemic 1, 3-dipheylprop-2-en-1-yl acetate with dimethyl malonate were systematically investigated.
从NOBIN出发合成了一系列膦上含有不同取代基的氮膦配体MAPs以及含有被部分还原的联萘骨架的氮膦配体H〓-MAPs,将此两类配体运用于钯催化的乙酸1,3-二苯基烯丙基酯与丙二酸二甲酯的反应中,考查了膦上取代基和配体骨架对反应的影响。
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The result is that both tin atoms are five-coordination, have a distorted trigonal bipyramidal geometry with an additional week interaction between another oxygen atom and tin atom.
分子中四个羧酸酯基有桥联双齿和单齿两种不同的配位模式;在内环锡和外环锡的配位单元中,锡均形成具有五配位的畸变三角双锥配位构型,同时另有一氧原子与中心锡原子之间有弱相互作用。
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By means of UV-vis spectrophotometer, the complex abilities of calix [4] arene ligands with metal ions were researched, and the effect of solvent systems was discussed.
使用紫外-可见分光光度法研究了杯[4]芳烃配体与金属离子的络合性质,并考虑了溶剂对配体与金属离子配位的影响,评价了杯[4]芳烃的不同取代基对过渡金属离子及稀土离子的配位作用。
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The effects of C/Fe on desulphur rate is obvious different from the influence on content of sulfur in DRI, the mechanics of desulphur of pellet bearing carbon in DR process depends strongly on the exist constitution of sulfur in it.
含碳球团中的硫酸盐硫将残留在DRI中,文章据此提出了临界内配碳比的概念,当内配碳比低于临界值时,提高内配碳可以同时起到加速还原和脱硫的作用,当内配碳比高于临界值时,将会造成DRI含硫超标。
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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。
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City distribution system is begin from distribution substation, nature gas flows through dust exhauster, dump valve, flowmeter odorizer and then through all levels of distribution network directly to the consumer according to the requirement.
而城市配气系统又是从配气站开始的,天然气在配气站内经过除尘、调压、计量、添味后,然后通过各级配气管网和气体调压装置保质保量地根据用户要求直接地向用户供气。
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This text aim at the neutral spot not connect the ground or through eliminate arc coil to conncect ground of connecting a ground of system, put out to connect a ground of electricity arc ability existently low and starts of the system occurrence Human body feeling electricity connect the ground to conduct electricity to press, the equipments inner part breaks down to connect the ground, having no problem of protect the ability.On the foundation of the thorough research protection method, put forward to change into above-mentioned system the protection project that the intelligence connects a ground of system movement.At the same time, introduced the intelligence to connect a ground of composing of system, the work principle, function and characteristicses and system to circulate the circumstance.
本文简要分析了我国配电网自动化的现状和面临的主要问题,指出合理、高效的配电系统网络结构是提高供电可靠性和供电质量的前提条件,本文在对国内现有配网方式进行全面分析的基础上,结合我国城网改造的目标的显状,提出了一种科学&田&字型接线,对其技术性、经济性和可靠性进行了论证,(分析了不同故障情况下系统如何完成故障的定位、隔离,网络的重构及负荷的转移,指出该方案具有很高的供电可靠性和相对较低的备用容量,是一种符合国情国力并能适应配网自动化发展的组网方案);给出了适合该方案的不同控制模式并进行了优劣比较,指出集中远方控制模式划配网自动化发展的必然趋势;最后本文给出了该控制模式下的测控方式。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。