查询词典 electron tube

Aimed at the problem of vacuum tube s working in vacuum switch applied in coal mines, the reasons and results of air escape taking place in vacuum tube s,a modified step is adopted to set up a protection unit for vacuum tube in vacuum switch.

针对真空开关在煤矿推广应用中真空管存在的问题，以及一旦漏气造成的后果和原因进行了分析，提出改进措施，并对在真空开关增加真空管的保护装置进行了探讨。

It took those factors affecting the flux of each tube into account and obtained the accurate flux of the working medium in each tube under the condition that the heat load, the parameter of structure and the flow resistance coefficient of each tube were supplied.

该方法考虑了各种因素对锅炉本体每根管内工质流量的影响，在其热负荷、结构参数和工质流动阻力系数给定的条件下，可以准确计算出每根单管内的工质流量。

Imports of liquid from entering the rotating rotor tube cavity, the role of the centrifugal force and pressure into the receiver tube, through the receiving tube speed can be transformed into a smooth, non-pulsating pressure from the export pipe emissions.

液体从进口管进入旋转的转子腔内，在离心力和压力作用下进入接收管，通过接收管将速度能转化为平稳、无脉动的压力能从出口管排出。

Ndiaye劈得angry, with a tube on the bee, wasp a tube, a tube to go to heaven wasp.

劈得阿耶发火了，就带着一筒蜜蜂，一筒马蜂，一筒地马蜂上天去。

It is showed that MG132 significantly reduced the germination rate and tube growth. Furthermore, MG132 treatment lead to vacuolization occurred both in tube cytoplasm and generative cell. While DMSO and non-proteasome inhibitor E-64 do not have similar effects. FTIR analysis revealed that MG132 treatment markedly reduced the contents of wall-bound proteins and pectin at the apex of tube.

结果表明：MG132显著抑制青扦花粉萌发和花粉管生长，并导致花粉管形态异常，主要表现为花粉管亚顶端出现液泡化，并且液泡随着培养时间的延长而扩大到整个花粉管，花粉管濒临死亡；而DMSO以及非蛋白酶体抑制剂E-64不产生类似结果；半薄切片结果表明，MG132处理后不仅花粉管细胞质发生液泡化，生殖细胞也发生液泡化；FTIR分析进一步表明，MG132处理后，花粉管顶端的细胞壁蛋白和果胶质含量大幅度下降。

The main aim of this thesis is to study the performance of a vortex tube in room and low temperature ranges and to find out the mechanism of the energy separation of the vortex tube, as well as to obtain from the applications of a vortex tube in low temperature ranges.

本文的研究目的就是通过理论和实验两方面深入分析和研究涡流管的常温和低温特性，探求涡流管能量分离机理的内在规律，以便为涡流管在低温下的应用提供依据。

In the module, liquid forms a falling film at the tube outside and contacts with the shell side vapor phase, besides, heating or cooling fluid flows inside the membrane tube for heat exchange with the tube outside liquid or vapor phases.

此设计使用壳管式多膜管装置，液相以落膜方式於膜管外与气相进行热质传，热交换流体於膜管内与管外之气相或液相进行热传。

In the section of manufacture,there is a simaple flow chart that clearly show the order of manufacture and installation of spare parts. And there are some concrete requirements about the joint of tube to tube sheet and manufacture technology of tube sheet.

在加工制造方面，用简单的流程图将各零部件的加工与装配次序表现得清晰明了，对管子与管板的连接、管孔的加工提出了更详细具体的要求。

The steel plate edging machine,the steel tube forming mill and the mechanical expanding millconsisting of the SAW straight welded tube plant located at Julong Steel Tube Co.

介绍了巨龙钢管有限公司对直缝埋弧焊管机组三大进口设备(钢板铣边机、钢管成型机和机械扩径机)液压元件开展的国产化替代工作。

The shell- and- tube heat exchanger of the tube plate and tube connecting the close of the quality is an important point.

管壳式换热器的管板和管子连接处的紧密性是一重要的质量点。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"