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In the lighting system design, in line with the principle which conserves energy, chooses the fluorescent lamp is the photo source, through the degree of illumination computation, determined the best photo source number, has created one comfortably, the bright life, the leisure environment for the people; The plug installs the design avoided towing the forming block abusiveness, satisfied the increase current collector the demand, enhanced the security which used electricity.

在照明系统设计中，本着节能的原则，选择荧光灯为光源，通过照度计算，确定最佳光源数，为人们创造了一舒适、明亮的生活、休闲环境；插座安装的设计避免了拖线板的滥用，满足增加用电设备的需求，提高了用电的安全性。

Starting from the classical motion equation of a nondissipative mesoscopic inductive coupling circuit with source , the quantum fluctuation of the charge and current of the coupled circuit with source is evaluated in excitation state of squeezed vacuum state, and the results are discussed.

从无耗散的含源电感耦合电路的经典运动方程出发，在压缩真空态的激发态下求解了耦合电路电荷和电流的量子涨落，并对结果进行了讨论。

Although input bias current is a common source of this type of error, currents generated by external circuits can also result in errors due to voltage drops across the source resistance.

虽然输入偏置电流是这种误差的常见来源，但是外电路产生的电流在源电阻上形成的电压降也能引起误差。

In the exploration enterprise internationalization's developing process the afterheat excess pressure recycling use which serves under somebody's banner (afterheat electricity generation excess pressure use and so on) the construction energy conservation transformation (wall energy conservation transformation applies LOW-E midheaven glass glass pastes transformations and so on membrane uses plate pile technology and so on) the central air conditioning energy conservation transformation technology (cooling tower energy conservation transformation ice accumulation of cold technology source water source air conditioning technology Leng Meibeng cooled pump transformation and so on) three big prop energy conservation industry to be coquettish in respective domain each collar has won the global prestige and the oral traditions; The Group devotes for a long time to the new building materials the tidal current science and technology research the development passed the BSI IS09001 authentication becomes the world three big glass function membrane core manufacture manufacturer is the present global glass pastes one of membrane service industry largest scale enterprises.

ACER位于美丽的加拿大蒙特利尔市。是全球新型建材知名企业，集团在全世界范围内拥有 6400多名员工，以及数十家实力相当的亲密合作伙伴，为全球70多个国家提供一流服务。在探索企业国际化的发展过程中，旗下的余热余压回收利用建筑节能改造（墙体节能改造，应用LOW-E中空玻璃，玻璃贴膜等改造，采用支盘桩技术等），中央空调节能改造技术（冷却塔节能改造、冰蓄冷技术、地源水源空调技术、冷媒泵冷却泵改造等）三大支柱性节能型产业在各自领域各领风骚，赢得了全球性的声誉和口碑；集团公司长期致力于新型建材、潮流科技的研究、开发，通过了BSI的IS09001认证，成为世界三大玻璃功能膜核心制造厂商，是目前全球玻璃贴膜服务行业最具规模的企业之一。

In the exploration enterprise internationalization's developing process, the afterheat excess pressure recycling use which serves under somebody's banner (afterheat electricity generation, excess pressure use and so on), the construction energy conservation transformation (wall energy conservation transformation, applies LOW-E midheaven glass, glass pastes transformations and so on membrane, uses plate pile technology and so on), the central air conditioning energy conservation transformation technology (cooling tower energy conservation transformation, ice accumulation of cold technology, source water source air conditioning technology, Leng Meibeng cooled pump transformation and so on) three big prop energy conservation industry to be coquettish in respective domain each collar, has won the global prestige and the oral traditions; The Group devotes for a long time to the new building materials, the tidal current science and technology research, the development, passed the BSI IS09001 authentication, becomes the world three big glass function membrane core manufacture manufacturer, is the present global glass pastes one of membrane service industry largest scale enterprises.

在探索企业国际化的发展过程中，旗下的余热余压回收利用，建筑节能改造（墙体节能改造，应用LOW-E中空玻璃，玻璃贴膜等改造，采用支盘桩技术等），中央空调节能改造技术（冷却塔节能改造、冰蓄冷技术、地源水源空调技术、冷媒泵冷却泵改造等）三大支柱性节能型产业在各自领域各领风骚，赢得了全球性的声誉和口碑；集团公司长期致力于新型建材、潮流科技的研究、开发，通过了BSI的IS09001认证，成为世界三大玻璃功能膜核心制造厂商，是目前全球玻璃贴膜服务行业最具规模的企业之一。

This thesis is divided into six parts. The first chapter is preface, the current status of research in the inverse problems for parabolic partial differential equations is reported; the second chapter is "regularization methods for numerical differentiation and their applications ", in this chapter we investigate many regularization methods from a viewpoint of regularization theory and algorithm, some applications in the inverse problems for parabolic partial differential equations are given; the third chapter is "spectral regularization methods". Based on Fourier analysis, within the framework of regularization theory, we apply the spectral methods to some ill-posed problems. Many numerical experiments are done in order to show the validity of the methods; the fourth chapter is devoted to wavelet dual least squares method and a revised wavelet method; in the fifth chapter,we combine finite difference method with method of lines and apply it to the backward heat conduction problem in time; in the sixth chapter "identification problems for unknown source ", the essence and the degree of two problems related to source identification are pointed out, at the same time, some numerical methods are reported.

本文分为六个部分，第一章前言简要分析了国内外抛物型偏微分方程反问题的研究现状；第二章数值微分的正则化及其应用从正则化理论和算法的角度出发，考察了许多正则化方法，还给出了数值微分在抛物型偏微分方程反问题的一些应用；第三章谱正则化方法是在Fourier分析的基础上，在一般正则化理论的框架下，给出了这种方法在各种不适定问题中的应用，数值实验表明谱方法是有效的；第四章研究了小波对偶最小二乘方法和改进的小波方法；第五章主要研究了有限差分方法结合线方法在时间反向热传导问题中的应用；第六章是未知源识别问题，主要指出了两类未知源问题的不适定程度和不适定本质，同时报告了一些数值方法。

Nowadays, the technology developed fast, the electric source becomes most important source for living. People need a higher precision digital control alternating current regulable voltage, with enhancing consumption of electricity and developing technology.

在科技腾飞发展的今天，电力能源已日益成为人类生活最主要的能源，随着电需求量的提高，科技的发展，我们需要一种精度比较高的数控交流调压器。

The water of the Tsushima Warm Current is of multi source in summer: the Taiwan Warm Current, the branch of the Kuroshio, the mixed water of the Yangtse Diluted Water with the West Korea Coast Current.

夏季进入朝鲜海峡的对马暖流的来源是多方面的，其中有：台湾暖流、黑潮分支、长江冲淡水与西朝鲜沿岸流的混合水。

Based on new style equivalent source method of axisymmetrical static field, this paper proposes a new style equivalent source method of axisymmetrical eddy current field , in which the number and positions of all the ES can be determined and the field distribution in all subregions is expressed in series form.

本文把轴对称静态场中的新型等效源法推广到轴对称涡流场中，提出了轴对称涡流场的新型等效源法，该法中等效源的位置和个数可给以确定，由它产生的场分布可用级数表示，克服了以前等效源法中等效源的位置和个数只能凭经验决定的缺点。

MC44144 Pinout: Flyback and Synchronous Rectifier Apps Provides Complementary Auxiliary Driver with Programmable Deadtime (Turn-On Delay) between AUX and MAIN Switches Peak Current-Mode Control with 0.5-V Cycle-by-Cycle Current Limiting Hiccup Mode 0.75-V Current Limit TrueDrivet 2-A Sink, 2-A Source Outputs 110-V Input Startup Device Trimmed Internal Bandgap Reference for Accurate Line UV and Line OV Threshold Programmable Slope Compensation High-Performance 1.0-MHz Synchronizable Oscillator with Internal Timing Capacitor Precise Programmable Maximum Duty Cycle PB-Free Lead Finish Package

MC44144引脚说明：反激式同步整流和应用服务提供补充辅助与可编程死区时间之间的辅助和主开关峰值电流模式控制0.5 - V的逐周期电流限制打嗝模式0.75 - V的电流限制TrueDrivet 2 - A号水槽，2 -阿源精确的线路过压阈值线UV和可编程斜率补偿高性能1.0 - MHz的振荡器可同步输出110 V输入启动装置边内部带隙基准，内置精密程控定时电容最大占空比无铅引脚完成包

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。