不对称的

The ability of the chiral bis-imidazolium salt for asymmetric catalytic benzoin condensation has been probed. It has shown good catalytic activity for benzoin condensation, but no enantioselectivity has been detected.

探讨了手性双咪唑鎓盐不对称催化苯偶姻缩合反应的性能，结果表明其对苯偶姻缩合反应具有高的催化活性，但未能显示对映选择性。

Based on the analysis of bibliographer and evaluation of the principles of different processes, the novel process for synthesis of the new type of polyheterocyclic disperse dyestuff , unsymmetrical benzodifuranones and its intermediates was studied in the dissertation.

论文在查阅国内外有关文献基础上，对不对称苯并二呋喃酮系新型稠杂环分散染料的分子设计、应用特性及研究进展作了概述，对此类稠杂环分散染料及其中间体的合成路线和方法作了综合评述。

In this paper, by supposing the currents on the two lines are equal but opposite and with the application of bifilar transmission-line theory, the current-voltage relationships of the asymmetrical bifilar even transmission line are obtained.

该文在假设双线传输线两线上电流大小相等、方向相反的条件下，运用双线传输线理论思想，推得不对称双线均匀传输线的电压、电流关系。

Synthesis of P,N Ligands Based on Biphenyl Backbones and Their Applications in Asymmetric 1, 4-conjugate Additions

论文标题：联苯型P，N配体的合成及其在不对称催化1，4-其轭加成反应中的应用

Biphenyl polyimides derived from asymmetric bis s have good solubilities and film formation.

6由不对称双氯单体合成的联苯型聚酰亚胺具有良好的溶解性和成膜性。

Secondly, this study has focused on the asymmetric phenomena in the blast furnace on the basis of the above results.

其次，本研究的重点是不对称现象在对上述成果的基础上高炉。

In Chapter 2, we obtain the boundedness of solutions and the existence of invariant tori for an symmetric conservative system.

在第二章中，我们研究了一类非对称的保守系统解的有界性和不变环面的存在性。

Secondly, 11 chiral ligands containing BINOL and its derivatives werescreened in the asymmetric HDA reaction between Brassard diene withbenzaldehyde. The results revealed that-BINOL shows higherenantioselectivity and reactivity than the others.

其次将 11 个二齿配体 BINOL 及其衍生物用于 Brassard 二烯与苯甲醛的不对称 Hetero-Diels-Alder 反应，结果表明，-BINOL 表现出相对较好-i-范谦四川大学博士论文的反应活性和对映选择性。

As the information in supply chain is unsymmetrical, the demand is progressively enlarged which results in bullwhip effect.

由于信息在供应链的各个企业中不对称，需求出现逐级的放大，产生"牛鞭效应"。

To the second expanded model, the buyback contract with promotional cost sharing is designed.

信息不对称情况下的契约设计已成为利益协调研究领域中的新热点。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。