真空管

In general vacuum tube collectors are used in solar process heat systems.

一般来说，太阳能热利用系统中都是采用真空管集热器。

Voltage to the plate of a vacuum tube.

能够产生真空管金属板稳定负电压的电池。

New ideas,new structures and new technologies have been used for the design, manufacture and installment of wiggler in order to achieve the coincidence of the central level planes of magnets and beam vacuum tube.

采用新思想、新结构、新工艺设计和加工超导扭摆磁铁，并在安装过程中确保磁体的准直，实现了磁体的磁中心水平面与束流真空管的中心水平面的重合。

In early November he was repeating an experiment with one of Lenard's tubes in which a thin aluminium window had been added to permit the cathode rays to exit the tube but a cardboard covering was added to protect the aluminium from damage by the strong electrostatic field that is necessary to produce the cathode rays.

在1895年伦琴正在调查外部影响的各类真空管设备，仪器由海因里希赫兹，约翰希托夫，威廉克鲁克斯，尼古拉特斯拉和菲利普冯勒纳德，放电时，是通过他们。 [ 7 ]在11月初他是在重复实验之一勒纳德的管道，其中一个薄铝窗口增加了允许退出阴极射线管，但纸板覆盖增加了保护铝损坏的强烈静电场是必要的生产阴极射线。

Reflexible and focusing evacuated tube can be used in Solar Water Heater, the Heater transfer heat energy by water or by heat pipe.

摘 要 聚光型真空集热管，是在真空管外管下方的内壁镀以反射镜面。

Early used to detect objects without photoelectric sensor is a small metal cylindrical equipment, with a camera calibration transmitter, will focus on optical receivers, the receiver will be receiving a cable superimposes the vacuum tube amplifiers.

早期的用来检测物体有无的光电传感器是一种小的金属圆柱形设备，发射器带一个校准镜头，将光聚焦射向接收器，接收器出电缆将这套装置接到一个真空管放大器上。

Brake Assist installation methods, and description: Brake Assist installed in the original car vacuum booster pump vacuum tubes, the

刹车辅助器安装方法以及介绍：刹车辅助安装在原车真空助力泵的真空管上

Each one occupied a metal box about six inches long with six vacuum tubes on top.

每一个被占领的一个铁箱约6英寸长6真空管的顶端。

In case of flap, valve or damper, a procedure to check safely the absence of pressure or fluid will be performed.

在使用真空管、节气阀时，需要检查并确认已经没有压力或物质的流动。

It can be applied all the year round: as dry uni-directional heat conducting technique is used, no water running in the vacuum tube therefore it has no any affection upon the vacuum tube even feed water at any time in 24 hours.

8全年全天候使用：因采用干式单向导热技术，真空管内不走水，24小时随时上水都不会对真空管造成任何影响。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。