机械泵

减压是借助于2X-8机械泵和分子筛吸附泵进行的。

The pressure reduction is realized by means of the mechanical pump 2X-8 and the absorption pump of molecular sieve .

该机真空室直径900mm，高1050mm，立式放置，抽气系统由分子泵及机械泵构成并且实现了PLC控制，本底真空小于4×10-4Pa。

The vacuum chamber with 900 mm in diameter and 1050 mm in height stands vertically . The pumping system includes turbo-pump and mechanical pump and it can be automatically controlled by PLC . The background pressure is less than 4 × 10 - 4 Pa.

介绍了电控LPG-柴油双燃料内燃机供给系统的设计，柴油分别采用机械泵和电磁铁执行器供给，LPG采用电控顺序喷射方式供给。

The design of the supply system for electronic controlled LPG-diesel dual fuel engine is presented , in which the diesel fuel is supplied with mechanism pump and electromagnetic actuator separately and the LPG is supplied with electronically controlled sequential injection mode .

主要叙述了YC4112ZLQ四气门柴油机由机械泵改换为电控单体泵后，供油系统、配气系统以及燃烧系统的匹配。

The paper present the match between the oil supply system , air supply system and combustion system on YC4112ZLQ four-stroke diesel 's after substituting electrical unit pump for mechanical pump .

机械泵驱动两相冷却系统特性分析和实验研究

Theoretical and Experimental Investigation on Characters of Mechanical Pumped Two Phase Cooling System

模块化设计思想在工程机械泵、马达试验系统上的应用

The Application of the Modular Design to Hydraulic Pump & Motor Test System

机械泵出现异常声音的原因有哪些？

What are the reasons of unusual sound appeared in the mechanical pump ?

并试验了一系列对被污染的机械泵油处理的方法。

Several methods for decontamination were also tested .

对油封机械泵一些主要性能的分析

Discussion on some properties of oil-sealed mechanical pumps

他的投保范围包括了心脏移植，但是没有涵盖机械泵。

His policy covered heart transplants , but not the cost of the mechanical pump .

人工心脏：能在长短不等的时间内维持人体血液循环（以及氧合过程）的帮浦或机械泵。

Artificial heart : Machine or mechanical pump that maintains Blood circulation in the human Body .

而经过超过五小时后，看来他们已经替换了机械泵，

After more than five hours , it appeared that they had by replacing a pump mechanism ,

该机抽气系统由低温泵、扩散泵和机械泵组成。

The device is equipped with a cryogenic pump , an oil diffusion pump and a mechanical pump .

提出了一个用气&液喷射器代替机械泵的新型双喷射制冷系统。

A new bi-ejector refrigeration system was presented , in which the mechanical circulation pump was replaced by a liquid-vapor ejector .

原动机功率只需封闭功率的5%左右。双喷射制冷系统中没有机械泵，从而循环本身不需要消耗电能。

The engine power is needed about 5 % . Thus , no electricity power was needed in the refrigeration cycle .

采用扩散泵和机械泵作高真空抽气系统组成模拟系统，以达到地外紫外线辐照条件。

To reach the qualification of outer space ultraviolet irradiation , we adopted the diffuse pump and mechanic pump as the high vacuumizing unit .

这套仪表对机械泵冲速及钻机转盘速的测量和计数部分采用了单片机测量系统来完成。

The instrument counts the numbers and measure the periodicity to strokes velocity of bump and pan 's velocity of drill rig with the technology of the51MCU .

本文介绍了氢钟钛合金钟罩的设计制作以及机械泵&分子泵前级真空机组的改进设计。

This paper describes the design and manufacture of the titanium vacuum bell jar and the improvement of the fore pump system for Shanghai Observatory 's hydrogen maser .

由机械泵为前级泵，分子泵为主抽泵构成高真空系统，对高压开关管进行真空排气；

In the multistation exhaust system a mechanic pump is used as the backing pump and molecular pump as the main integral part to form a high vacuum system .

并依据不同的现场安装条件及用户需要，提出了重力水箱式和机械泵式两种饱和器供液装置。

Two fluid supply devices , the gravity tank type or fluid mechanical pump type , are put forward , which depends on the field installation conditions and user needs .

止回阀（3）起当手压或机械泵停止工作时能阻止水位差的自然吸药。

A check valve ( 3 ) can prevent the natural chemical absorption water head of the water head when the manual pump or the mechanical pump stops to work .

其次，还对油封机械泵的消耗功率与入口压力的关系进行了分析，指出最大功率时所对应的入口压力，同时还对泵油温度对功率的影响作了分析；

The relationship between the power consumed and inlet pressure of an oil-sealed mechanical pump is also discussed , from which the inlet pressure corresponding to maximum power consumed is found .

本文在定量研究已被污染的机械泵油的猝灭作用的基础上，提出了一种图解外推法较准确地测出已污染机械泵油中的氚含量。

Based on a quantitative study on the quenching function of tritium contaminated - machine pump oil , a graphic , extrapolation method was proposed to determine tritium in the contaminated oil .

包括两个独立的机械泵和泵室、感应和控制系统、膜肺、单向活瓣等主要结构。

The device consists of two identical pumps and perfusion chambers , a sensing and control system , a gas exchanger between the vein and pump , two one way valves between pump and veins or arteries .

人工心脏主要以微型机械泵来代替或辅助自然心脏泵血，其中轴流血泵由于结构简单、效率高、体积小、易植入人体等优点，已逐渐成为人工心脏的发展趋势。

Artificial hearts mainly use miniature mechanical pump to replace and help the blood pumping . Among them , axial blood pump with the advantages of simple structure , high efficiency , small size , easily implanted in the human body has become the development trend of artificial heart .

28吨真空吹氧精练VOD炉机械真空泵抽气系统

Mechanical vacuum pump system for 28-ton vacuum oxygen-blowing refining VOD furnace

本文通过对工程机械典型泵－马达驱动液压回路的简要分析，介绍了DA和EL两种泵－马达系统的控制方式。

This paper analyzes hydraulic travelling circuit of typical pump-motor system for construction machinery and describes DA and EI , two control types for pump-motor system .

AD法由低真空沉积室，喷咀，粉末雾化室，机械真空泵等组成。AD法具有沉积温度低（室温），沉积率高，涂层密度高，结合强度高等优点。

The AD method is made up of a vacuum deposition chamber , a nozzle , an aerosol chamber and a vacuum pump , and has the advantages of low deposition temperature ( room temperature ), high deposition rate , dense coating layers and high adhesion strength .

本文介绍了我所研制成功的WY-6直联式无油机械真空泵。文中主要阐述了对该泵各项性能的测试结果与分析，并对增压级的残余气体进行了质谱分析。

This paper describes a direct drive and oil-free mechanical vacuum pump of model WY-6 Its main performance characteristic and test results are described and discussed and the residual gas composition in booster stage is given .

油封机械真空泵噪声机理再探

More studies on noise mechanism of oil sealed mechanical vacuum pump