Battery used to maintain the grid potential in a vacuum tube .

能够保持潜藏在 真空 管 内的栅格的电池。

Shockley it displaced the vacuum tube in many applications .

晶体管在许多用途上已取代了 真空 管。

A specific vacuum tube which converts light into electrical energy .

把光转换成电能的一种 真空 管。

Battery used to heat the filaments of a vacuum tube .

能够把 真空 管的细丝加热的电池。

The combination of vacuum tube encapsulation KUVAG fixation poor poorer buffer capacity .

KUVAG固封的 真空 管包封的结合性较差，缓冲能力也差一些。

Based on the analysis of vacuum tube slight variation equivalent circuit a headphone amplifier is designed to drive high fidelity headphone .

以 电子 管微变等效电路分析为基础，设计了一款以驱动高保真耳机为目的的耳机放大器。

An electron tube is generally used for amplification and vacuum tube is another term for this device .

电子管通常用来放大，而 真空 管则是电子管的另一名称。

They couldn 't shrink the vacuum tube any more and keep the vacuum .

他们再也无法缩小 真空 管，并使它保持真空。

Diode : A semi-conductor or vacuum tube device which has two electrodes . It permits a current to flow from from cathode to anode only Used as a rectifier .

二极管：具有两个电极的半导体或 空管。它只容电流从阴极流向阳极。可作整流器用。

Currently the most frequently used solar energy collection devices are mainly flat-plate collector and vacuum tube collector .

目前使用最多的太阳能收集装置主要有平板型集热器， 真空 管集热器两种。

The Impact of the Dust on the Solar Vacuum Tube Collector Performance

灰尘对太阳能 真空 集热管性能的影响

Abstract : 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 .

文摘：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。

Sunlight energy is collected by glass vacuum tube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water .

太阳光能量通过玻璃 真空 管采集，由金属超导热管传热至承压水箱内把水加热。

Cathode-ray tube ( CRT ): Vacuum tube that produces images when its phosphorescent surface is struck by electron Beams .

阴极射线管：一种 真空 管，当电子束打在其磷光表面会产生影像。

Vacuum tube amplifiers used the first time in coast-to-coast telco circuits .

真空 管放大器首次用于大西洋岸至太平洋岸的电信电路中。

Diangong solar vacuum tube heat collector .

电工太阳能 真空 管集热器。

The experimental results show : the instantaneous efficiency of vacuum tube collector is concave ;

实验结果表明： 真空 管集热器瞬时效率呈凹形；

Battery for supplying a constant positive 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。

The vacuum tube has natural tracing ability against sunlight and it can work when sunlight exists .

真空 管对太阳光具有自然跟踪的能力，只要有太阳光辅射，真空 管就可工作；

A vacuum tube that amplifies a flow of electrons .

能够增强电子流量的 真空 管。

The ancestor of these miniature electronic devices is the vacuum tube .

这些微型电子装置的鼻祖就是 真空 管。

John Ambrose Fleming invents the vacuum tube .

1904年的今天，约翰·安布鲁斯·弗莱明发明了 真空 管。

On each visit a special vacuum tube created blister wounds on their arms that were monitored for healing .

在每一个疗程中，都会在他们的手臂上 用 电子 管制造一些水泡，并观测这些水泡的愈合情况。

Vacuum tube solar heating element

真空 管太阳能加热元件

A computer utilizing vacuum tube components .

一种使用 真空 管器件的计算机。

The main products of BCQ include Brake tube Fuel tube and Boosting vacuum tube etc.

公司目前的主要产品包括制动管，燃油管和调压 真空 管等。

The utility model is a superconducting device of self heat source of oil well avoiding wax and reducing viscosity and belongs to novel field of heat transfer technology of vacuum tube .

本实用新型为一种油井自热源超导防蜡降粘装置，属 真空 管传热技术新领域。

Design of High Fidelity Headphone Amplifier Based on Vacuum Tube WCF Circuit

基于 电子 管WCF电路的高保真耳机放大器设计

I think this was a vacuum tube system where there is no drag .

我认为这是一个 真空 集热管系统，其中有没有阻力。

A small coil in series with the anode of a vacuum tube and coupled to the grid to provide feedback .

带有 真空 管正极并连接栅格以提供反馈的一系列小线圈。