查询词典 conservation of mechanical energy

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。

The main contributions include:(1) Energy conservation law of Haar wavelets transform is proved to compress data streams.(2) The relation between the coincidence measure and trend of streams is revealed as along with the invariability under parallel shift and the equivalence law over coincidence measure to approximately express data-streams by the wavelet coefficient of the characteristic stream and its energy.(3) Multi-Scales energy decomposition model is proposed to improve the compression precision.(4) The multi-scales compression algorithm and the energy conservation reconstruction algorithm are designed.(5) Extended experiments show that the compression ratio of the new methods is 2~4 times as the traditional method.

主要研究成果包括：(1)证明了Haar小波变换服从能量守恒规律，并用于压缩数据流；(2)揭示了数据流的偶合度与变化趋势的相关性、偶合度的平移不变性及等价规律，采用特征流序列的小波系数和流能量近似表示流的趋势，达到压缩的目的；(3)提出了多尺度能量分解模型，提高了表示精度；(4)设计了多尺度能量分解压缩算法以及多尺度重构算法；(5)在真实数据集上的实验表明，新方法的压缩比是传统小波方法的2～4倍。

It also gives themechanical energy of the particle france and the expression of the conservation law of mechanical energy ,and discusses the statement on the consenvation law of mechanical energy in same books.

给出了守恒和守恒定律的定义，并给出了质点组的机械能及机械能守恒定律的表述，还对一些文献关于机械能守恒定律的论述进行了讨

The influences of the shock thickness and Alfven waves on the particle acceleration by diffusive shock waves are numerically studied through solving one-dimensional diffusive equation including the second-order Fermi effect. It is shown that the spectral index of the energetic particles strongly depends on the shock thickness. For example, the spectral index increases from 2.1 to 3.7 in the low energy range of 3-10 MeV and from 2.5 to 5.0 in the high energy range of 20-60 MeV as the thickness increases. The spectral index decreases from 4.3 to 3.1 as the particle injection energy increases. The spectral index decreases from 4.0 to 1.8 at the quasi-steady stage with the enhancement of the compression ratio from 2 to 4. The results indicate that under the influence of Alfven waves, the energetic particle spectrum at lower energy becomes flat and the spectral index decreases from 2.5 to 0.6 in the low energy range of 3-10 MeV and from 11.6 to 5.0 in the high energy range of 20-60 MeV. At the same time, the rollover energy reaches 19.6 MeV. The spectral index decreases from 5.8 to 2.9 as the energy density of Alfven waves increase. All these results are basically consistent with the theoretical models, as well as the observations of typical energetic particle events.

通过数值求解包含二阶费米加速的一维扩散方程，探讨在准平行激波条件下激波厚度和级联阿尔芬波对粒子加速的影响，研究粒子分布函数的演化与激波厚度和阿尔芬波强度的内禀关系，计算结果表明：(1)考虑激波厚度时，谱指数明显依赖于激波厚度，随着厚度从0.32增大到2.56，低能端(3-10MeV)谱指数逐渐从2.1增加到3.7，高能端(20-60MeV)谱指数从2.4增大到5.0，能谱逐渐变软；当初始注入粒子动量增大1.3倍，质子能谱指数从4.3减小到3.1，且与零厚度激波加速的谱指数差值缩小；厚度不变时，随着压缩比从2增加到4，准稳态分布时低能端(3-10MeV)粒子能谱指数逐渐从4.0减小到1.8谱变硬；(2)在级联阿尔芬波的影响下，随着时间的增大，粒子在低能处(3-10MeV)的谱指数从2.5减小到0.6高能端(20-60MeV)谱指数从11.6减小到5.0，能谱变硬，拐点能量值从7.5MeV增大到为19.6MeV；随着波的能量密度增大，谱指数从5.8减小到2.9，这表明阿尔芬波强度越大，加速效率越高，通过与激波厚度解析结果和高能粒子事件的观测能谱比较发现两者是一致的，说明数值模拟结果是可靠的。

And energy sources are an important indemnitor to actualize the target. There are kinds of energy issues in the development these years. These issues include the gap issue between energy supply and demand, the structure issue of energy;the distributing issue of energy, per capital issues of energy,the efficiency issue of energy,and the proportion consume issue of energy.

中国正在向全面建设小康社会的伟大目标而奋进，能源是实现这一目标的重要保障，但是我国在多年的发展过程中还存在许多能源问题，这些问题主要包括能源缺口问题、能源结构问题、能源分布问题、能源人均问题、能源效率问题以及能源消耗比重问题。

The electronic product is developed that the design and process produces, and chiefly includes: the ware is ringed a bell by the electronics with the intelligent announcing system of numeral in campus, and ontrolling ware, time relay during industry, the industry temperature is controlled the ware, and the solar energy goes out the insect lamp, solar energy signal lamp to the solar energy courtyard lamp to the solar energy street lamp to the solar energy chilly wind headgear to the solar energy cell to the electrical machinery protection ware to the liquid place automatic controller with the lamp on solar energy lawn the solar energy power supply system, and various model battery-charging units and contrary becomes the power supply, and An guards against the warning device to the manostat, and the top grade distant range does not have the thread microphone, the various automatic switches.

电子产品开发设计及加工生产，主要包括：校园数码智能广播系统，电子打铃器，工业时控器，时间继电器，工业温控器，液位自动控制器，电机保护器，太阳能电池，太阳能凉风帽，太阳能供电系统，太阳能路灯，太阳能庭院灯，太阳能草坪灯，太阳能灭虫灯，太阳能信号灯，各种型号充电机、逆变电源，稳压器，安防报警器，高档远距离无线话筒，各种自动开关。

By using an empirical potential of free energy on dsDNA which was obtained experimentally by Strey, a relation between total energy of chip and some factors, such as nanogeometric, physical. chemical characteristics of DNA, geometric dimension, macroscopical mechanical properties of chip, etc was formulated under the consideration of mechanical energy of microcantilever beam, electrostatic energy, configuration entropy, and osmotic energy of gene-layer.

首先，在考虑微悬臂梁机械能和基因层静电能、构型熵、渗透能的情况下，借助Strey通过实验得到的双链DNA自由能的经验势，建立了DNA纳观几何、物理、化学特征以及芯片几何尺寸、宏观力学性能等因素与基因芯片总能量之间的关系。

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

With the modernization of scientific and technological progress and industrial development, physics, chemistry, biology, engineering, aerospace, medical, economic and financial areas of the many principles and laws can be described as an appropriate ordinary differential equations, such as Newton's laws of motion, gravity law, law of conservation of mechanical energy, energy conservation law, the law of population development, ecological population competition, disease transmission, genetic variation, the trend of the stock's up V, the floating interest rates, the market equilibrium price changes.

随着科技进步和工业现代化的发展，物理、化学、生物、工程、航空航天、医学、经济和金融领域中的许多原理和规律都可以描述成适当的常微分方程，如牛顿的运动定律、万有引力定律、机械能守恒定律，能量守恒定律、人口发展规律、生态种群竞争、疾病传染、遗传基因变异、股票的涨伏趋势、利率的浮动、市场均衡价格的变化等。

Based on China's financial service business, GBU shall provide finance lease solutions to industries of energy resource and power, petrochemical, LNG piping, transportation (railway , aviation and ocean shipping);minerals,new source of energy,regenerable source of energy,medical and healthcare,municipal infrastructure and public utilities etc. Leased equipment hereof include all kinds of advanced and/or applicable equipment for general usage, communication, medical, energy conservation, mechanical, engineering machinery, power, oil and gas, chemical industry and vehicles including air-crafts, trains and ships with license of technology. Finance Lease solutions hereof include direct lease; sub-lease; sales leaseback, leverage lease, trust lease,joint lease,project lease etc. GBU provides consulting services including investment, financing and business. Currency either domestic or foreign could be used in Lease Agreement. In addition GBU also provides the consultant and guarantee service for leasing business.

鑫桥联合融资租赁有限公司立足于中国金融服务行业，为中国的能源输电、石油化工、天然气管道、交通运输（铁路、航空、海运、城市轨道交通）、冶金矿业、新能源、可再生能源、医疗卫生、城市基础设施建设及公用事业等行业，提供包括国内外各种先进或适用的生产装备、通讯设备、医疗设备、节能设备、机电设备、工程机械、电力设备、石油装备、化工设施、交通运输工具及附带技术的直接租赁、转租赁、出售回租、杠杆租赁、委托租赁、联合租赁、项目租赁等不同形式的本外币融资租赁业务、投资咨询、融资咨询、商务咨询等咨询业务、租赁物品残值处理业务；并对租赁交易提供咨询和担保服务。

It also analyzes the feature and development of semi-finish grinding and finish grinding by roller press.

同时进行了辊压机半终粉磨和终粉磨系统的特点和发展分析。

When I got there, water was dripping slowly from the ceiling and forming a pool on the floor.

当我到那里的时候，水是慢慢地从天花板滴而且形成在地板上的一个池。