1)Tube changer换管器
1.Conclusion:Tube changer is a well assisting equipment in treating difficult tracheal intubation.目的:探讨换管器在辅助完成困难气管插管中的作用。
2.Objective To investigate the value of applications on tube changer which was used in treating the difficult tracheal intubations in intensive care unit.目的探讨换管器在重症监护室困难气管插管中的应用价值。
2)heat exchanger tubes换热器管
1.Present the procedure of hydraulic expansion jointing of the heat exchanger tubes,hydraulic expansion jointing theory and the caculation.介绍换热器管液压胀接的过程、原理及计算方
英文短句/例句
1.Common Problems in Welding Joint of Tubesheet and Tube for Heat Exchanger换热器管板与换热管焊接常见质量问题的防止
2.Coating Structure of 20 Steel Heat Exchanger Tube by Hot-dip Aluminizing热浸镀铝20钢换热器管束的镀层结构
3.The type selection of Shell-And-Tube Heat Exchanger and Plate Heat Exchanger管壳式换热器与板式换热器选型参考
4.tube bundle of tube-type heat exchanger列管式换热器的管束
5.Microfluidic Flow and Heat Transfer in Microchannel Heat Sinks;微管道换热器内微流体的流动与换热
6.Application of the Heat-pipe Heat Exchanger for Room Ventilation热管换热器在通风换气中的应用研究
7.Tubular heat exchangersGB151-1999管壳式换热器
8.tubular graphitic heat-exchanger浮头列管式石墨换热器
9.fixed tube sheet type heat exchanger固定管板式热交换器
10.bare-tube coil heat exchanger光板盘管式热交换器
11.fin-tube coil heat exchanger翅状盘管式热交换器
12.The Active Connection Technology about Heat Exchange Tube and Tube-sheet管壳式换热器中换热管与管板的活性连接技术
13.Experimental Research on Ground Source Heat Pump with Horizontal Buried Pipes Heat Exchanger in Summer Cooling and Winter Heating;水平埋管换热器地热源热泵实验研究
14.Experimental investigation of heat recovery with thermosyphon heat exchanger热管式通风换热器热回收的实验研究
15.The Analysis of under Ground Heat Exchanger Equipment Which is Used on Soil Source Heat Pump土壤源热泵地下埋管换热器换热性能的分析
16.Numerical Simulation of Shell-and-tube Heat Exchanger and Research on Sideling-flow Heat Exchanger管壳式换热器数值模拟与斜向流换热器研究
17.Progress in Study of Intensification of Heat Transfer in Shell Side of Shell and Tube Heat Exchanger管壳式换热器壳程强化传热研究进展
18.THE TRANSFORMATION OF HEAT TUBE AIR HEAT EXCHANGER IN BLAST FURNACE NO.9 OF ANSHAN IRON AND STEEL CO鞍钢9号高炉热管空气换热器的改造
相关短句/例句
heat exchanger tubes换热器管
1.Present the procedure of hydraulic expansion jointing of the heat exchanger tubes,hydraulic expansion jointing theory and the caculation.介绍换热器管液压胀接的过程、原理及计算方
3)heat exchanger tube bundles换热器管束
4)tubular heat exchanger管式换热器
1.This paper study the model on line monitoring fouling in tubular heat exchangers.进行了管式换热器积灰的在线监测模型研究。
5)heat pipe exchanger热管换热器
1.Nomographic method for design and calculation of heat pipe exchanger;热管换热器设计计算的线算图法
2.Application of gas-gas heat pipe exchanger in recovering waste heat from powers tation;气-气热管换热器在电站余热回收中的应用
3.This text introduced the work principle,function characteristics and the superiority compared of other exchanger of heat pipe exchanger.热管换热器是一种高效的换热装置。
6)heat pipe heat exchanger热管换热器
1.Optimum design of high temperature heat pipe heat exchanger;高温热管换热器优化设计
2.Optimum design for heat pipe heat exchanger in air-conditioning ventilation system;空调排风能量回收用热管换热器的优化设计
3.Numerical simulation and experimental study of miniature heat pipe heat exchanger in enclosed space;封闭空间内小型热管换热器模拟与实验研究
延伸阅读
电容换相换流器电容换相换流器capacitor commutated converters, CCC d一onrong huonx一ong huonlluq{电容换相换流器(eapacitor。ommutatedeonverters，CCC)在常规换流器的交流侧申人电容器构成换相电路的换流器。电容器一般申接在换流桥和换流变压器之间(如图1所示)。电容换相换流器可以减少换流器的无功消耗，且无功消耗基本不随直流输送有功的变化而变化，减少了换流站无功补偿设备和相应的投切开关;可以显著提高交直流系统运行的稳定性，增加抗扰动能力，减少换相失败的机率，对于连接弱交流系统其作用更加明显，还可以抑制换流阀的短路电流。由于电容参加换相，使阀尖峰电压和谐波有所增加。┌──┬──┐│5 12│凡32│├──┤ ││ │ │├──┼──┤│542 │562 │└──┴──┘ 图1电容换相换流器原理图 无功平衡在常规换流器中，换流器消耗的无功随直流输送有功的变化而变化。当直流输送额定功率时，换流器无功的消耗近似于输送有功的一半。这需要安装相应的无功补偿设备并通过不断投切无功补偿分组来保持换流母线的电压水平以及与交流系统的无功交换量，见图2(a)。无功补偿装置投切时，对交流系统产生扰动;当直流系统因故障停运时，会在换流站交流母线上产生较高的暂时过电压。 口‘p、呈之!一丝塑生乙限流器不平衡t ()叨川，) 瓜、亏:乍 ()图2人犯《P .uj滤波器为印.u》常规换流器和电容换相换流器的无功消耗(a)常规换流界，(b)电容换相换流器采用电容换相换流器后，换流站无功补偿容t可降至小于输送有功功率的15%，并且当直流抽送功率发生变化时，换流器消耗的无功变化缓慢，不偏要安装随有功变化而投切的无功补偿装皿，见图2(b).通过适当选择申联电容的容量，可以使所需的无功由几组高性能、低容量的交流滤波器来补偿，如采用连续可调交流滤波器(见换流站连续可调交流滤波装里). 动态德定性能电容换相换流器可以明显改善直流输电的动态稳定性能.电容器的申人直接影响了换相电压，使逆变侧的定关断角运行特性成为正斜率直线。而常规换流器的运行特性为负斜率直线，它和整流侧最小口角特性的交点不是一个稳定运行点(见直流堵电系统运行特性)。而电容换相换流器不存在不稳定工作点，特别是当逆变侧为弱交流系统时，其稳定性显著优于常规换流器。 在电容换相换流器中，除了交流母线电压以外，电容器提供了一个附加的换相电压。
