查询词典 vacuum bulb

Many vacuum-tube devices also used vacuum rectifiers in their power supplies, for example the All American Five radio receiver.

许多真空管设备也用真空整流器在他们的电源，例如所有美国五个无线电接收器。

The main products have floor polishing machines, milling machines, smooth machine, shot blasting machine, smoking pill machine, mixers, heaters, rammers, plate ram, industrial vacuum cleaners, vacuum suction devices and other equipment.

主要产品有地坪打磨机、铣刨机、抹平机、抛丸机、吸丸机、搅拌机、加热器、冲击夯、平板夯、工业吸尘器、吸尘吸水器等设备。

There is great gap between theory research and current development about press plate wood vacuum dryer, especially wood vacuum drying schedule which can not meet the requirement of production.

目前，国内对于压板式木材真空干燥机的理论研究与实际还有很大的差距，尤其是木材真空干燥工艺基准不能适应实际生产要求。

Theory structure is presented in this paper about press plate wood vacuum dryer, and model of theoretical preheating time is built related to wood vacuum drying technology.

本文对压板式木材真空干燥机进行了结构介绍，以模型的形式确立了木材真空干燥工艺的理论预热时间，并以ZKY-01型箱式木材真空干燥机为试验仪器，采用波动压力方法对柞木和柯木进行真空干燥工艺试验。

The dissertation presents somecontents about the vacuum precooling as follows: 1. Studies on the evaporation cooling principles of fruit and vegetable There are different optimal storing conditions for different vegetables and fruits.And the vegetable and fruit precooled by vacuum must be fit with the storingcondition. A low temperature will result in the frozen scald, and a high temperaturewill not meet the precooling objective.

本文开展了以下几个主要方面内容的研究：1、果蔬蒸发冷却规律的研究不同果蔬都有各自不同的最佳储藏条件，因此，真空冷却后的果蔬必须满足储藏要求，温度过低易引起果蔬冻伤，过高则达不到预冷的目的；湿度过低易引起干耗，减轻重量；过高则易引起腐烂变质。

Piping service include fire protection piping, chilled process piping,hot water pipings, steam piping, hot vacuum piping, cold vacuum piping.

管道工作包含消防管，冷凝水管，热水管，蒸汽管，热真空管，冷真空管，雨水管及城市水管。

A new processing technology is adopted for vacuum pressure impregnation of the OH coil. The coil after vacuum pressure impregnation has the same electrical and mechanical properties.

线圈的真空压力浸渍工艺采取一种新的技术，处理后的线圈有同样的机械强度和绝缘性能。

The key part of vacuum interrupters is vacuum tube, whose pressure is an important parameter.

随着配电系统&无油化&浪潮的兴起，近年来真空断路器以其特有的优越性在中压配电领域得到越来越广泛的应用。

Hence, studies on the measurement and the online detection technique of vacuum pressure within vacuum tube have important academic and practical meanings.

因而对真空灭弧室真空度在线检测的方法和系统进行研究具有重要的理论和现实意义。

In the vacuum tube radio, a lot of space is taken up by these vacuum tubes and a large quantity of beat is produced so that part of the electric ''.

电子管收音机中的很大空间就是被这些电子管占领着的，它们产生大量的热，因此部分电能被浪费掉了。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。