不对称

We also tested the ligands in the asymmetric epoxide ring opening reaction with thiophenol, and as high as 67%ee was gained while using L7. 3. Studies on the reaction of α-hydroxyketone with nitroalkene.

此外我们还初步尝试了将配体应用于催化苯硫酚对环氧的不对称开环反应中，当使用甲基取代H8-BINOL衍生的配体L7时最高取得了67%ee的结果。

The title compound,(C6H6N3)(subscript 4)[Mo8]H2O, crystallizes in the triclinic system with Pī space group, the asymmetry unit of which is composed of one [Mo8](superscript 4)-anion, four protonate benzotriazolium organocations and a lattice water.

化合物(C6H6N3)4[Mo8]H2O的晶体结构属于三斜晶系的P1空间群，其不对称单元由1个[Mo8](上标 4-)，4个质子化的苯并三唑有机阳离子C6H6N3和1个结晶水组成。

Compensating devices have developed from Synchronous Adjustive Phasic Device, Static Var Compensator to Advanced Static Var Generator nowadays. Today, Trinomial Three Lines pattern Static Var Generator is grown up. But the anisomerous problem becomes more and more serious.

目前用于三相三线制的静止无功发生器已经较为成熟，但随着不对称负荷问题的日益突出，对零线电流的补偿显得十分重要，这就要求使用三相四线制的静止无功发生器。

The first layer of principal-agent comes into being between investors and venture capitalists and the second between venture capitalists and entrepreneurs. Under the two-ply mechanism of principal-agent, high risk and technical propriety result in the serious asymmetry of information between principal and agent, which makes the agent problem severely.

在投资者和风险投资家之间形成了第一重委托代理，在风险投资家和创业家之间形成了第二重委托代理，在双重委托代理机制下，风险投资的高风险性、技术的专业性等原因导致了委托人与代理人之间严重的信息不对称，使得代理问题十分突出。

Of modern information economics, information asymmetry is ubiquitous in the general market, and this general ...

现代信息经济学认为信息不对称在一般市场中是普遍存在的，这种普遍。。。本文共有6974字

In this paper, the influence of rotor-skewing on the machine performance, such as the unbalanced radial force, cogging torque and back EMF, is analyzed, with two different prototypes being comparatively studied.

分析了转子斜极对其不对称径向力、齿槽定位转矩和反电势等性能的影响，并用两种不同结构的电机进行对比研究。

In order to solve exactly the dynamic problems of the double coordinate coupling harmonic oscillators, the quantum unitary operator corresponding with classical canonical transformation is derived using the momentum eigenvector in Fock representation by constructing asymmetric integration.

为了精确求解双模坐标耦合谐振子体系的动力学问题，利用动量本征矢在Fock表象中的表示构造不对称积分，找到了与经典正则变换对应的量子么正算符。

It is pointed out, that if the vector and pseudo-vector coupling in the universal Fermi weak interaction propo...

指出假使在重正化以后矢量耦合和赝矢量耦合常数不再相等，那末不对称因子的数值可能有相当大的改变。

As traditional characteristics of Japanese painting and architecture,asymmetry and unsubstantiality remain to be embodied in contemPOrary architecture.

在日本传统艺术中，无论是绘画还是建筑都表现着一种特有的不对称与非实体性，这一特征在当代日本建筑中仍有体现。

Control strategy for VSC-HVDC system under unsymmetry of three phase voltage .

三相电压不对称时带有电压源换流器的HVDC系统的控制策略。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。