查询词典 conservation

PartⅡis devoted to studying integrability of nonlinear DDEs from the view of conservation law starting from scaling symmetry.

第二部分研究非线性DDE守恒律的待定系数构造算法。

To fill this gap, the enhanced Poincaré inequality was obtained by considering the additional conservation law of momentum and by rigorous estimate of integral inequality.

为解决这个差异，利用周期带域上的Eady模型的动量守衡的性质，通过变分方法和积分的精细估计，建立一个加强的Poincairé积分不等式，从而证明了Eady模型的线性稳定意味着非线性稳定。

Meanwhile, the conservation of integral is proved strictly. Under the linear elastic situation, the relation of integral and stress intensity factor KI is derived.

通过I型裂纹的应用，由导出之的结果与应力强度因子手册解符合得较好，同时给出了积分偏斜应变能释放率的物理解释。

Therefore, the practice of process intensification in distillation process is very important to energy conservation in chemical industry.

在这样的背景下，研究节能技术显得十分重要。

First of all, it explains the understanding of cultivated land conservation intension and the basic theories of it.

首先，阐述对耕地保护内涵的认识以及耕地保护的基本理论。

The important ways of interflow include several factors,for example,the expansion of territory,immigration of population,conservation of document,and so on.Its appearance produces important influence for development of Chinese dietetic culture.

在此时期，国土的扩张，人口的迁移，文献的保存等因素成为了重要的交流手段，而这一时期的南北饮食文化的交流对中国饮食文化的发展产生了重要的影响。

In this thesis, by means of the principle of energy conservation, the small-signal transfer functions of interleave boost power factor correctors are derived. The transfer functions include the open-loop transfer function of interleave PFC and the transfer function of small-signal circuit with parasitic elements.

中文摘要本论文利用能量守恒定理推导交错式功率因数修正器(interleave power factor correctors)之等效电路模型，所推导的模型包括开路交错式功率因数修正器的小讯号等效电路以及含寄生元件效应之小讯号转移函数。

In electricity market, the participation of interruptible load as a demand response resource is of great significance to the improvement of system security and market efficiency as well as to energy conservation.

电力市场环境下，可中断负荷作为一种需求响应资源参与电力市场，对提高电网运行的安全性和市场运营效率以及节约能源有重要意义。

This tissue culture system laid a foundation for germplasm conservation and exploitation of the two interspecific hybrids.

这一组培体系的建立，为2个种间杂交种的种质保存及利用奠定了基础。

Invariance under translation in time leads to conservation of energy.

在时间平移下的不变性导致能量守恒。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐