分析设备

Describes the experience in making of brake-valves for double-room vacuum gas quenching furnace especially the working principle of its sealings,function transmission and the technological processes of its key components(valve body,linkage and valve plate),with a force analysis made to the linkage in detail.

介绍了真空热处理技术的优点，总结了双室真空气淬炉中附件&闸阀&的制造经验，阐述了闸阀的密封工作原理、作用、传动以及关键部件的加工制造工艺，同时对连杆机构做了详细的受力分析，并指出&闸阀&制造过程工艺控制的重要性，只有严格控制加工工艺流程才能保证&闸阀&的制造精度，从而满足整台设备的技术参数。

Based on the current ultrasonic equipment for rail inspection,we can use ultrasonic subsurface longitudinal waves to inspect the surface cracks in railheads,and the potential of this method for complementing conventional ultrasonic rail inspection is discussed.

在现有铁路钢轨超声检测设备的基础上，可采用超声次表面纵波对钢轨表面裂纹进行检测。本文应用边界元方法对钢轨中的次表面纵波的传播特性进行分析并进行了实验测试。

Presents the design and application of the key equipment, aeration cone for pulverised solid transportation in pulverised coal gasification, analyzes and summarizes the problems in the operation, and proposes measures for improvement.

对粉煤气化装置中粉料输送的关键设备通气锥的设计、应用情况进行介绍，并对生产运行中出现的问题进行分析总结，提出改进措施。

Lens before the Ad Hoc smoke dust protection glass, a result of streamlined shape and elegant design, the most widely used in precision manufacturing, electronics industry, circuit board welding, assembly line-chip packaging and testing; precision manufacturing equipment, assistive devices as products online for observation, measurement, testing and analysis; aquaculture industry in crab, shrimp nursery observation, parasite control, insect pests and plant anatomy; textile fiber structure observation, the surface of raw materials and cotton fabric testing; traces of science instruments , notes contrast the identification, identification of archaeological heritage purposes.

物镜前特设灰尘烟雾保护玻璃，外形因流线型设计而美观大方，最广泛的应用于精密制造、电子工业、线路板焊接、芯片集成封装流水线组装和检测；精密制造业中作为设备的辅助装置用于产品的在线观察、测量、检验和分析；养殖业中蟹、虾育苗观察、寄生虫防治、昆虫植物病虫害的解剖；纺织业纤维结构观察、原料和棉毛织物表面检验；痕迹学中的文书、纸币对比辨别、考古学的文物鉴定等用途。

After analysing good applied foreground of FGD gypsum,the paper indicates the problems that will meet in using FGD gypsum,and puts forward synthetical measures in dealing with FGD gypsum.lt includes: stabilizing the outputs and quality of FGD gypsum in projecting and running FGD equipments;the problems and treatment measures that FGD gypsum is applied to cement retarder;establishing the standards of FGD gypsum that fits Chinese situation consulting criterions of FGD gypsum abroad as soon as possible;calculating the short amount of gypsum in some provines and regions in China and the feasibility of technology and economy about FGD gypsumus use;suggesting that our nation come on some policies that encourage coal-burning powerplants to install FGD equipments , put FGD gypsum to rational use, in order that it will further develop multiple use of FGD gypsum in China.

在分析了我国脱硫石膏的良好的应用前景的同时，本文也指出了脱硫石膏推广应用中可能会遇到的问题，提出了一些综合处理措施。这包括脱硫装置设计和运行烟气脱硫设备过程中稳定脱硫石膏的产量和质量、脱硫石膏用作水泥缓凝剂的问题及处理措施、参考国外脱硫石膏产品质量标准尽快制定适合我国国情的脱硫石膏产品质量标准、推算我国缺少石膏资源的省区石膏的短缺量以及利用脱硫石膏的技术经济可行性，建议国家出台有关鼓励燃煤电厂安装烟气脱硫装置和合理利用脱硫石膏的一些政策，以进一步推进我国脱硫石膏的综合利用。

By comparing properties with graphite-anode,high silicon cast iron anode,lead-silver anode,platinized anode and mixed metal oxide anode,we considered that the mixed metal oxide anode is the most ideal and advanced auxiliary anode material.

目前，外加电流阴极保护技术已广泛应用于地下储罐、钢筋混凝土、船舶、桥梁、化工设备等许多结构的防腐。2阴极保护用阳极的比较和分析2.1牺牲阳极牺牲阳极保护法是指在腐蚀

Platinised parts are used as current feeders to pass current from the anode rail to the bus bar or as a sensor in analytical devices and other electronic equipment.

镀铂的部份作为电流传送装置，将电流从阳极传递至导电板，也可作为分析仪器和其它电子设备上的传感器。

The role of informational executive secretaries were indicated to be the planers and executives of informational education, the supporters for informational equipment and teaching, the managers for computer system and web site established, and timely maintainers for computer equipments.

藉由文献探讨、观察、访谈以及分析归纳，得到下列研究结论：一、资讯执秘的例行性工作可分为八项，分别为行政支援、教学训练、资讯设备管理、网站及系统管理、年度工作计画、学校中长程计画、硬体维修及处理资讯相关公文。其中行政支援、硬体维修被资讯执秘视为是额外的工作。

It is proposed that domestic post insulator of Ⅲpollution class shall have rated mechanical bending strength of 10kN and 16kN, height of (10 000～12 000)mm, at least 8 800mm if it is limited by processing equipment, core diameter of (280～320)mm, creepage distance of (27 500～33 275)mm, and porcelain surface coating with PRTV or RTV.

根据我国1000kV交流输变电工程对高压支柱绝缘子和空心绝缘子技术参数的要求，综合分析国外成功的制造经验、技术参数、500kV运行经验及国内制造能力，提出了国内支柱瓷绝缘子和空心绝缘子在按Ⅲ级污秽等级设计中，额定机械弯曲破坏负荷为10kN和16kN的支柱瓷绝缘子的高度应在(10000～120000)mm之间，如受制造设备限制，高度至少不小于8800mm，主体直径为(280～320)mm，爬电距离为(27500～33275)mm，并且应在其瓷表面涂PRTV、RTV；空心绝缘子的长度为(11000～13000)mm，最低高度不应小于9600mm，主体直径为(900～1200)mm，爬电距离为(40000～50000)mm。

The pollution accumulation results of post insulator and porcelain bushing in DC yard of converter station, natural contamination test station and wind tunnel were introduced. Artificial pollution tests were carried out on the post insulators with different sheds. The artificial rain flashover tests were also carried out on the bushings with different sheds profile. The shed configuration of insulator and porcelain housing such as sheds shape, core diameter, shed pitch were analyzed and compared.

分析了换流站、自然积污站和风洞试验中支柱绝缘子和直流设备套管的积污数据，对±500kV直流系统用不同伞形支柱绝缘子进行了全尺寸的人工污秽试验，进行了瓷套管人工淋雨试验，比较了伞形参数对支柱绝缘子和瓷套管污秽性能和淋雨闪络性能的影响。

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。