查询词典 energy conservation

To use respectively that rigid body plane differential equations of motion, theorem of angular momentum, conservation law of mechanical energy , and the law of conservation of energy.

分别采用刚体平面运动微分方程、动量矩定理、机械能守恒定律以及能量法，对拟定的半圆柱体微振问题进行分析求解，并作以比较，明确了从不同角度入手分析解决微振动问题所需基础知识和基本理论以及相对难易程

This article analyses the meaning and prerequisite of conservation of mechanical energy , and poses different standpoints on describing the law of conservation of mechanical energy in some textbooks.

分析了机械能守恒的内涵及条件，对有的教材关于机械能守恒定律的表述提出了不同的见解。

Law of conservation of mechanical energy obeys the relativity principle of mechanics;2. An article in elsewhere censuring papers published in this journal is replied, discussing in detail the relation between the law of conservation of mechanical energy and the mechanical relativity.

详细阐述了机械能守恒定律成立的条件及该定律服从力学相对性原理所需满足的条件，回答了《河北师范学院学报》在1997年第2期上赵佩章等同志对本刊多年来所发表的有关文章的批评。

The ones, including conservation of mass, conservation of energy, Newtonian equations of motion, conservation of electric charge, linear momentum principle, continuity equation and Maxwell equations for electromagnet etc., are suitable to all substances. They are universal laws in nature.

连续介质力学的基本方程可分为两类：一类适用于所有物体，构成了自然界的普适规律，如质量守恒、能量守恒、电荷守恒，牛顿运动方程，马克斯威尔电磁学方程、熵产率恒正原理等。

For the two-phase flow section, the homogeneous model was applied. The fundamental equations such as the conservation of mass, the conservation of energy, and the conservation of momentum were applied to the every section.

采用该关系式可以准确的计算不同结构的节流短管，在各种运行工况下的流量，这为跨临界CO〓系统的设计提供了更为准确的节流机构模型，是本文研究内容的创新点之一。

P12 The find of Compton effect and the coherence of theoretical analysy and experimental result not only convincingly veified that the photon theory was right,but also veified that the conservation of energy and the law of conservation particles would similarly observe the law of conservation of energy and the law of conservation of momentum with vigour when they act on each other

康普顿效应的发现，以及理论分析和实验结果的一致，不仅有力地证实了光子学说的正确性，同时也证实了在微观粒子的相互作用过程中，同样严格地遵守能量守恒定律和动量守恒定律。

In the modified Newtonian mechanics, the law of conservation of momentum and the law of conservation of energy become invalid; instead, the inherent momentum and inherent kinetic energy can be defined to make the law of conservation of inherent momentum and the law of particle inherent kinetic energy valid.

在修改后的牛顿力学中，动量守恒定律和能量守恒定律不再成立，但可以定义固有动量和固有动能，使得质点系固有动量守恒定律和质点固有动能守恒定律成立。

Green conservation for manual pruning inefficient, labor-intensive, and the motor type Brush Cutter, Hedge machine, turf machine prices high, the high cost of oil, gasoline oil ratio of hard to grasp the high failure rate (especially in summer heat easily pull-cylinder), and high maintenance costs, factory development and production of environmentally friendly energy-saving multi-function portable electric garden pruning machine (ie: portable electric tea light trimming machines), portable electric garden pruning machine (ie: portable electric tea in the pruning Taiwan Karikomi machines), portable electric lawn cutting machine patented product, has passed the provincial Science and Technology Commission of the technical appraisal and quality supervision departments of the country testing, alternative energy Brush Cutter, Hedge machine, improve operating efficiency and reduce the conservation costs, greatly reduced Noise!

针对绿化养护修剪人工作业效率低、劳动强度大，而机动型割灌机、绿篱机、草坪机售价高、油价成本高、汽油机油配比难掌握、故障率高、维修费用高昂等问题，本厂研制生产环保节能型出便携式多功能电动园林修剪机(即：便携式电动茶树轻修剪机)、便携式电动园林修枝机（即：便携式电动茶树中修剪台刈机）、便携式电动草坪修剪机专利产品，已通过省科委的技术鉴定和国家质量监督部门的检测，可替代高能耗割灌机、绿篱机，提高作业效率、降低养护成本，大大降低作业噪声！

Facing these problems, the half-coupled conservation laws of energy for polar continua, conservation law of energy and Hamilton principle for micropolar multifield theories, principle of virtual velocity and dipolar velocity as well as of virtual stress and dipolar stress for solids with microstructure are proposed.

针对这些问题，提出了半耦合型的极性连续统能量守恒定律、微极多场耦合理论能量守恒定律和Hamilton原理与带有微结构的固体理论的虚速度和虚双极速度以及虚应力和虚双极应力原理等。

Based on a variety of books and materials, foreign or domestic, this thesis deals with the recent development and application, the past, present and future for solar energy and solar cells, analyzes the great senses of solar energy and solar cells for the development of economic, and analyzes their structure photovoltaic effect and conservation efficiency. The writer also elaborates the working principles and application characteristic of solar cell, various factors that may lead to bad conservation efficiency of solar cell. Based on the the working principles and application characteristic of solar cell, emphasizes on some ways of improving photovoltaic conservation efficiency for solar cell, for example: the appropriate thickness of solar cell, the low resistance, the phalanx of solar cell, the film of reduce the reflect of solar rays, and so on, and designs simply the feasible way, then give out the CAD frame chart .

本文是在收集了大量的国内外图书资料的基础上，对太阳能和太阳能电池的广泛应用领域、过去、现在和未来进行了探讨，分析了太阳能和太阳能电池的对我国经济发展的重大意义，阐述了太阳能电池的工作原理和应用特性，论述了影响太阳能电池光电转换效率的因素，重点介绍了几种提高太阳能电池光电转换效率的方法，例如：合适的太阳能电池厚度、降低太阳能电池的串联电阻、采用太阳能电池方阵、采用光伏发电自动跟踪系统、采用减反射膜和折面型抛物柱太阳能聚光器，并对以上可行的方法进行了简单综合设计，实现了 CAD 框图。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。