查询词典 Qpm

Firstly, an equivalence proposition of right qpm-injective module is discussed, and when the endomorphism of right qpm-injective module is right pm-injective ring is observed.

首先，讨论右qpm-内射模的一个等价命题，以及在什么情况下，右qpm-内射模的自同态环是右pm-内射环。

If M is self-generator, then the endomorphism of right qpm-injective module M is right pm-injective ring. Finally, the properties of the endomorphism of right qpm-injective module are discussed and obtain some applications.

且仅当如果ker=ker，其中s，t∈S=End，那么Ss=S_t；(2)如果右R-模M是自生成子，那么右qpm-内射模M的自同态环是右pm-内射环。

In the second section, we extend the conception of right pm-injecitve from ring to module and obtain the notion of right qpm-injective module.

第二部分把右pm-内射概念从环推移到模上，引入右qpm-内射模的概念。

The result is that:(1) A right R-module M is right qpm-injective module if and only if for any s.t S = End with ker = ker, then Ss = St.

所得到的结果是：(1)右R-模M是右qpm-内射模当。

The wavelength tenability of QPM-OPOs has been theoretically analyzed based on the Sellmeier equation of periodically poled crystals and the QPM theory.

基于周期极化晶体的Sellmeier方程和准相位匹配理论，对准相位匹配光参变振荡器的调谐特性进行了理论分析。

And the theory of QPM was explained on the base of coupling wave equation.

并从耦合波方程出发，说明了准相位匹配技术的原理。

These 10 QPM inbvreeds inbreeds were used to make up a 10-parent diallel and these 45 crosses were tested in three different environments in Yunnan province and Guangxi Autonomous region.

通过部分双列杂交获得45个杂交组合，将这些组合种植在云南省及广西自治区的三种不同生态条件下进行观察鉴定。

According to the performance of grain yield,these 10 QPM inbreeds could be divided into 4 heterotic groups.

根据杂交组合产量性状的配合力分析，可初步将这10个优质蛋白玉米自交系划分为4个杂种优势群和4种杂种优势模式。

Among these 10 QPM inbreeds,5 are tropical and subtropical QPM inbreeds introduced from CIMMYT,another 5 are from domestic provinces.

这10个QPM优良系中有5个来自CIMMYT的热带、亚热带系；5个为国内自育成的骨干系。

And only modulate the direction of the tensor d33 periodically. So QPM enlarge the application range of the crystal in existence. Presently diode pumped all-solid-state lasers have been developing quickly, which provides an ideal pump source for QPM.

近年来，随着激光二极管技术的发展，小功率全固态激光器已经十分成熟，为准相位匹配提供了优质的泵源，因此，小功率全固态激光器的准相位匹配频率变换成为目前的一个研究热点。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。