A digital detecting system of four tubes leak of boiler in power plant based on virtual instruments was introduced.
介绍了一种基于虚拟仪器的火电厂锅炉四管泄漏数字化声学检测系统。
Cause boiler "four tubes" the causes for the leakage of more, including wear and corrosion, overheating, ripping led is the main cause of four tube leakage.
总结坝电防“四管”泄漏管理经验及防磨防爆小组的工作经验，对锅炉“四管”爆漏原因进行分析并提出预防措施。
Meanwhile, through acquisition, analysis and processing to the sort of acoustic emission signals, the testing system for the leakage of "four tubes" of boiler will be set up.
通过采集这种声发射信号并分析处理，建立了检测锅炉“四管”泄漏的检测系统。
McCulloch and his team asked four healthy people and one with cancer to blow into plastic tubes.
麦卡洛克和他的团队让四名健康的人和一名癌症患者对着塑料管吹气。
Fluorescent lights, which consist of tubes filled with mercury vapour, are roughly four times more efficient.
灯管中充上水银蒸汽的荧光灯比它的功效高大约四倍。
Multiplying rapidly as it flows through tubes, stacked 14 high in four long rows, the organism thickens and darkens like the bioweapon of a deranged scientist.
这些管道有14个上下叠在一起，排成四个长列。这种生物在流经管道时就在迅速繁殖，同时会变得浓厚而暗实，就像一位癫狂科学家的生化武器一样。
Weighing 25 percent less than the conventional 18-mm tube, the 16-mm tube allows four image tubes to comprise a system without adversely affecting the total weight.
这种16毫米管的重量比常规的18毫米管轻25%，可以用4个成像管组成一个系统，而且对系统的总重量没有不良影响。
Five of the nine smaller tubes are straight and contain elevators, while the other four are more crooked and carry the ducts and wires.
九个小管中的五个是直的，里面有升降机，然而其他四个弯曲的管子里面有管道和电线。
The columns in four of the framed specimens used circular steel tubes while the rest two were square tubes.
框架中的柱有四个使用圆形钢管，而剩下的两个是方形管。
With the background of practical projects, aiming at cutting problem of space curve in shipbuilding industry, four axis robot system is designed. And it is used to cut the ends of the steel tubes.
本文以实际的工程项目为背景，针对船舶建造工业中常遇到的空间曲线切割问题，设计了此四自由度机器人，用于圆管端头切割。
This system consists of fourmain parts, namely, the endoscope, the optical links including four rigid guide tubes for theimage transfer lens, the photographic adapter and the camera.
给出一种新型的工业用内窥镜摄影系统，该系统由内窥镜、光学关节（四节刚性转像透镜导管）、摄影联接管和摄影机四部分组成。
According to the principle of four bar linkage mechanism, the new style thread inspecting stand for oil tubes is designed.
根据平面四连杆机构原理设计了新型石油套管螺纹检查台。
Assays may include up to 2000 tubes and up to four standard curves, each of which can incorporate up to 24 values.
实验分析可以包含多达2000支软管和四条标准曲线，每个可包含高达24个值。
The experimental study on the performance of nucleate boiling of R22 outside the surface enhanced evaporation tubes was conducted by use of four two-sides enhanced tubes with different geometries.
介绍了表面增强型蒸发强化管，并对氟利昂制冷工质R22在该管外的沸腾换热进行了实验研究。
The experimental study on the performance of nucleate boiling of R22 outside the surface enhanced evaporation tubes was conducted by use of four two-sides enhanced tubes with different geometries.
介绍了表面增强型蒸发强化管，并对氟利昂制冷工质R22在该管外的沸腾换热进行了实验研究。
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