查询词典 phase transformation

Iterative process of error-reduction algorithm is anlyzed, the phase-only object function is obtained when the amplitude of object function and the amplitude of its Fourier transformation are known, and the amplitude and phase of object function are retained as much as possible.

分析了采用错误减算法的迭代过程，在已知物波函数傅里叶谱的振幅和物波函数振幅的情况下恢复出纯相位的物波函数，最大限度地保留物波的振幅及相位信息。

Based on allotropic transformation of ingot,the definition,strength performance and feature of the iron-carbon alloy basic phase(ferrite,austenite and carburizing) are analyzed on the iron-carbon alloy phase diagram .

在铁碳合金相图上直接从工业纯铁的同素异晶转变开始分析铁碳合金基本相铁素体、奥氏体和渗碳体的定义、力学性能、特点等，再用铁碳合金基本相和相图的规律来分析铁碳合金相图的点、线和各区域组织。

By introducing a parametric canonical transformation,Hamiltonian constraintequation in SO(3)ADM phase space is transformed into the parametric formin the Ashtekar phase space.

本文中提出了一个参数化的正则变换，将Palatini理论中SO(3)ADM相空间中的哈密顿约束方程变换到阿西特卡相空间，由此导出参数化的约束方程。

In this thesis, several problems of time-dependent systems in various branches of physics are investigated by making use of the generalized invariant theory and the invariant-related unitary transformation formulation. The problems are given as follows:(1) Spin model and geometric phase factor in the fiber We investigate the fiber experiment performed by Chiao-Tomita and the Chiao-Wu theory concerning the geometric phase factor in the optical fiber, and then show that the investigation of the propagation of photons inside the noncoplanar optical fiber can be regarded as that of a second-quantization spin model.

本论文用推广的不变量理论和与不变量有关的幺正变换方法研究了一些物理分支中的几个含时系统问题：(1)自旋模型与光纤中光子几何相因子问题重新考察了Chiao-Tomita光纤实验和Chiao-Wu关于光纤中光子几何相因子的理论，证明了在非共面弯曲光纤中传播的光子运动问题实际上可以化为二次量子化含时自旋模型研究。

The results showed that adding Sc to the alloy could cause the transformation of phase structure and the composition of the pre-separation phase in the transitional region of the quintary alloy.

6Al10Ti5五元锆基块体非晶态合金在非晶态-晶态过渡区中先析相的相结构及组织形态。

It is found that before the pearlitic and upper-bainitic reactions, a pro-cutectoid orpro-bainitic phase is precipitated along the austenite grain boundaries in the cyanidedsamples; and it is thought that this is likely a nitrogen-bearing phase which provides thephase boundary effect for the nucleation of the reactions and impoverishes the parentaustenite in alloy content, thus accelerating the transformation of austenite.

实验中发现，在珠光体及上贝茵体形成之前，氰化试样中均有一种过剩相沿奥氏体晶粒边界析出。这种先析相可能是一种含氮的化合物，其析出为珠光体及上贝茵体的非自发形核提供了现成的有利界面，并使奥氏体合金化程度降低，因而加速了转变。

Bainitie carbide nucleates at the phase interface of γ/αand grows towards austenite and the subunits of bainite ferrites, which is a diffusion transformation of carbon atom along the phase interface of γ/.

钢中贝氏体碳化物在γ/α相界面上形核，向奥氏体中和铁素体亚单元间长大，是碳原子沿着相界面扩散的过程。

Therefore, the article takes the study in-depth of three-phase unbalanced load compensation for the balance of theory, hold a proposed compensation algorithm based dq transformation, and designs a system to improve the power grid with the function of three-phase unbalance compensation.

所以，文章在深入研究三相不平衡负荷的平衡化补偿原理的基础上，提出了基于dq变换的补偿算法，并设计了具有改善电网三相不平衡功能的补偿系统。

In order to achieve good control effect in the research of special electronic power transformer,we employed Park transformation to implement the transfer from the double closed-loop decoupled control of three-phase to four-phase EPT s primary side.

在特种电子电力变压器的研究中，为了达到良好的控制效果，采用Park变换来实现三相变换到四相电子电力变压器高压侧的双闭环解耦控制。

Based on the phase-space generating functional for a system with a singular higher-order Lagrangian,the quantal canonical Noether identities under the local and non-local transformation in phase space for such system have been derived.

基于高阶微商奇异拉氏量系统的相空间生成泛函，导出了定域和非定域变换下的量子正则Noether恒等式；对高阶微商规范不变系统，导出了位形空间中定域和非定域变换下的量子Noether恒等式。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。