分析设备

By applying object-oriented analysis method, the device elements in power system are used as research objects in phase coordinates for network modeling and fault analysis. The symmetrical feature of power system elements is studied and optimized calculation methods for various application environments are developed.

本文以电力系统设备元件和网络节点为主要研究对象，利用面向对象的分析方法，在相坐标系下对网络建模和故障处理作了深入的研究；分析了电力系统元件的对称性，为各种不同应用环境研究了实用化的优化计算方法。

Apply the metalloscope, the scanning electric mirrorand energy spectrum analysis instrument etc. material analysis way and MLD-10 dynamic load abrasion tester, JB-36 three use the impact tester etc. test equipment to analysis and test the wearable performance of selected material and welding quality of welding sample. So as to make certain the best welding material and welding crafts between the welding of pickax boot wearable material and pickax body material in making tamping pick adopting parted type structure.

应用金相显微镜、扫描电镜、能谱仪等材料分析手段以及MLD-10动载磨料磨损试验机、JB-36型三用冲击试验机等试验设备，对所选材料的耐磨性能和焊接试件的焊接质量进行分析测试，以确定分体式结构制造捣镐的工艺中最佳镐靴耐磨材料及其与镐体材料捍接过程中的最佳焊接材料和焊接工艺。

Electroannalytical methods are characterized by cheap, high sensitivity and selectivity,especially the stripping voltammetry and catalytic polarography.

电化学分析一直是十分活跃的领域，其中的极谱法以其灵敏度高、选择性好及设备简单、价格低廉而倍受广大电化学分析工作者的关注和重视。

This paper recommends a technology recovering the powdered straw sugar by treating paper pulping black liquor and the process, equipments are discussed.

本文通过对造纸制浆黑液资源化处理回收木糖粉技术应用的实例分析，系统介绍了其技术工艺、设备特点，详细分析了它的环境效益和社会效益。

Processing efficiency as a result of cutting-axis achieve the revitalization of planning released the equipment manufacturing industry to adjust exhaust turbocharger atc common faults and exclusion of high-speed cutting edge technology used in the blanking die in and outside the ring of rolling bearing fault diagnosis methods of the term commonly used brief summary of metal material factor in the quality of process performance aluminum water purification technology gap separating sub-micron technology the basic principles of rotary broaching the installation of the basic principles of positioning technology in the context of the characteristics of the engine crankshaft camshaft grinding high-speed implementation of the project highlights the emergence of diagnostic bearing cage diagnostic system 10 cases of preventive measures hardening die steel crack analysis of elastic deformation of the analysis error δφ maintenance and repair pneumatic tools processing tools prismatic conical shape when the surface of the workpiece form error ina sets of cylindrical sliding zgb200x220x180 ina sets of cylindrical sliding cylinder zgb180x200x180 ina zgb160x180x150 ina sets of cylindrical sliding sliding sliding cylinder zgb140x155x150 ina sets zgb120x135x120 ina sets of sets of cylindrical sliding zgb110x125x100 ina sets zgb100x115x100 ina cylindrical cylindrical sliding sliding sliding cylinder zgb90x105x80 ina sets zgb80x90x80 ina sets of sets of cylindrical sliding zgb70x80x70 cnc machine tools in general the structure of the spindle drive motor and the use of the exchange servo motor,the dc converter or to eliminate brush maintenance and high-speed electrical and mechanical constraints,through the belt driving the movement to the spindle,so that the spindle reaches a certain speed to achieve the stepless speed regulation,and consistent use of the speed signal converter to confirm the speed of the motor to achieve the directive,and then cutting into the knife,resulting in improved efficiency

摘 要：由于加工切削效率轴达到实习心得振兴数控机床实习心得发布装备制造业调整废气涡轮增压器常见故障及排除换刀高速切削技术的优势在冲裁模中废旧滚动轴承内外环设备故障诊断常用简易方法名词简介金属材料工艺性能铝材质量因素净化水处理技术空白亚微米分离技术回转拉削基本原理定位安装的基本原则特征技术产生的背景发动机曲轴凸轮轴的高速磨削加工五轴机实施中数控机床实习心得涌现诊断轴承保持架诊断系统预防措施10例模具钢淬火裂纹分析弹性变形误差δφ的分析维护及保养气动工具棱体成形车刀加工圆锥面工件时产生的形状误差 ina 圆柱滑动套 zgb200x五轴机x180 ina 圆柱滑动套数控机床实习心得180x200x180 ina 圆柱滑动套 zgb160x机床实习心得x150 ina 圆柱滑动套 zgb数控机床实习心得x155x150 ina 圆柱滑动套 zgb120x135x120 ina 圆柱滑动套 zgb110x125x100 ina 圆柱滑动套 zgb100x115x100 ina 圆柱滑动套 zgb90x105x80 ina 圆柱滑动套 zgb80x实习心得x80 ina 圆柱滑动套 zgb70x80x70 数控机床的主轴机床信息交流网结构一般采用交流电机和伺服电机，采用变频器或以消除直流电机电刷维护和高速限制，通过带传动把运动传给主轴，进而使主轴达到一定的转速来实现无级调速，同时利用变频器的速度一致信号来确认电动机达到了指令速度后，再进刀切削加工，从而提高了效率

Combined machine tool s that the flexible refitment of machines instead ofpurcbasing a new one with identical function can save investment of 130 000 yuan each.

通过对一批传统组合机床进行柔性化改造工程的技术经济分析，表明进行柔性化改造的设备比购置同样功能传统机床节约投资131元／台，10年内平均节约费用72718.8元，本文涉及的计算方法简单，而且通用性强，为传统组合机床柔性化改造提供了技术经济分析的依据。

The main contents of this dissertation are as follows: Small Computer System Interface and Integrated Disk Electronics protocols, which are used in common storage devices, are analyzed and studied.

论文主要内容包括：对存储设备常用的SCSI和IDE接口协议进行理论分析和研究，并在模拟连续数据记录的工作环境下，对SCSI接口硬盘和IDE接口硬盘进行传输性能的测试和比较分析。

Spectrometric Oil Analysis is one of the important methods of equipment condition monitoring.

光谱油料分析技术是对机械设备实施状态监测和故障诊断的重要手段，其应用成功与否的关键在于取样的规范性及光谱油料分析故障诊断的理论和方法是否。。。

The holistic design of the system and resolved the designs of software and hardware based on VXI bus are put forward according to the demand of test system. The hardware and software is designed, including the formation and design of hardware system, visual instrument software architecture, program design for instrument driver, high speed real-time data collection. In the dynamic test program, the idea of"software is instrument"was applied to meet the diverse test demands. Last, it is proposed that the VXI test system be developed to more totalization and networked. The basic theory of system identification was introduced briefly at first. The principle of spectrum analysis system identification based on Wiener-Hopf equation was expatiated. and the questions in applying Peusdo Random signal as spectrum analysis methods stimulate signal was studied, The generation principle of the peusdo random signal is researched, the characteristic of peusdo random are analyzed from time domain and frequency domain, the inverse repeat peusdo random signal is brought forward to make up the shortage of ordinary peusdo random signal. And a new chaos genetic algorithmis presented to solve the unprecise problem of the traditional method. In the servo valve dynamic characteristic test system, the spectrum analysis methods was applied successfully, the servo valve dynamic characteristic could be acquired rapidly and exactly, the test results were analyzed and the ameliorate methods were brought forward at last.

结合航天某集团液压测试中心测试系统的需求，提出了基于VXI总线的液压测试系统的整体设计方案，完成了测试系统的硬件设计与软件设计，包括硬件系统构成与设计、虚拟仪器软件结构、仪器驱动程序设计、高速同步实时数据采集等内容；以伺服阀动态特性测试为例设计了测试模块，该模块体现了VXI总线仪器软件开发所倡导的"虚拟仪器"的思想，以软件的灵活应用满足了不同的测试需求；结合自动测试系统的发展，研究了VXI测试系统与网络技术结合，实现各种软硬件资源共享，进一步提高设备及数据的利用率和系统的扩展性，使自动测试向综合化、网络化方向发展；研究了伪随机信号作为谱分析法辨识的激励信号时存在的问题，讨论了伪随机信号的产生机理，从频域和时域分析了伪随机信号的性质及其应用，提出了用逆重复伪随机信号弥补了普通伪随机信号的不足，并以混沌遗传算法对逆重复伪随机信号产生过程中的参数进行优化，可以更合理而不是凭经验产生需要的逆重复伪随机信号。

The study at the undergraduate stage will provide students with strong backgrounds in theoretical fundamentals and systematic expertise of materials science and engineering, help students learn about the trend of development in this field, master necessary experimental and computational methods, skills, and have a good command of a foreign language, educate students to develop engineering problem solving skills or enable them to develop new materials, products, processes, and equipment, and capacitate them to sort out problems in practical applications by methods of analyzing chemical composition and structure of materials, controlling material manufacturing process and quality, and testing and analyzing material properties, and by techniques of synthesizing materials and processing material products.

学生通过本科阶段的学习，牢固掌握材料科学与工程学科理论基础和系统的专门知识；了解本领域的发展动向；掌握必要的实验、计算方法和技术；精通一门外国语；具有解决工程问题或从事新材料、新产品、新工艺、新设备的开发能力；能运用材料化学成份和组织结构的分析方法、材料的制造过程和质量控制方法、材料性能检测和分析方法、材料的改性技术、材料制品的加工工艺和技术等解决实际应用问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。