查询词典 air pressure

The monitoring and control system of air blower real-time detect parameters of power supply, control system, air blower, air pressure under mine. The monitoring and control system ensures the air blower working safely, and improves the management level. It is significant to the safety and management of mine.

煤矿风机工作状态监控系统对风机的供电系统、控制系统、风机、井下参数等进行实时检测，实现对煤矿风机工作状态的监督与控制，对保证风机的安全工作，提高煤矿的安全管理水平具有重要的现实意义。

Air pressure differentials should be such that there is no flow of air between the work area and the external environment or risk of contamination of outer clothing worn outside the area; f an air lock system for the passage of equipment, which is constructed so that there is no flow of contaminated air between the work area and the external environment or risk of contamination of equipment within the lock.

f 设备的进出要有气闸系统，其结构要保证没有工作区和外界环境之间污染空气的流通，或气闸室里的设备没有被污染的风险。

This article researches affection of atmosphere pressure to hydro-kinetic force process by using fluid mechanics theory and works out amendatory method about pump allowable mounting height, wind pressure of centrifugal fan,rotor power and gas rotameter scale and algorithm of air-pressure pipe length of counter-current flow hight-order condenser in different atmosphere.

本文应用流体力学原理，研究了大气压对流体动力过程的影响，得出不同大气压时，泵的允许安装高度，离心式风机风压，轴功率，气体转子流量计刻度的校正方法和逆流高位冷凝器气压管长度的计算方法，对不同海拔高度地区，特别是高原和盆地地区具有十分重要的现实意义。

The air pressure wave on the surface of train body in full-scale-test working state was calculated by numerical simulation computing, the frequency range of air pressure wave was estimated, and as a conclusion, the reasonable sampling frequency can be set in the range from 300 to 500 Hz.

通过分析实车测试工况下车体表面压力波的数值计算结果，估计被测空气压力波的频率范围，确定测试系统合理采样频率可设置为300~500Hz。

Nimble can treasure drops in temperature; of water shade wall passes negative pressure convulsions, make outdoor exchange with indoor air, the steam inside the factory, the nature outside complete eduction factory flows into fresh air, installation hind is OK the special and effective high temperature that improves workshop is fuggy environment.

深圳捷能宝降温设备有限公司生产供应捷能宝降温风机。捷能宝降冷水帘墙；经过负压抽风，使室外与房内空气air兑换，将厂内热气，基本上排生产外自然而然流入新鲜空气air，装置后能够特别有用的改良车间的温高凡热周围的环境。可使车间内的温度(32-45度的温高周围的环境)快速地在10分钟内降低。

It is considered that, air speed ,air temperature, air relative humidity and air pressure have influence upon unevenness of PET POY.

讨论了侧吹风的风速、风温、相对湿度及风道压力对涤纶POY条干不匀率的影响。

Working Voltage: DC 12V Feature: Clock hand type pressure gauge can display air pressure value of the tyre and Make convenience for supplementing air.

功能：用于汽车轮胎及各种运动器材的气压补充工作电压： DC 12V 特点：表针式压力表，可显示轮胎的气压值，方便充气。

Part to be the standard air condition of 50% to fall with 20 ℃, relative humidity for 101.3kPa in inlet pressure and temperature, total pressure is less than the fan that is equal to 30kPa to call fanner.

在入口压力和温度分別为101.3kPa和20℃、对应湿润程度为50%的准则空气air因素下，全压小于相等30kPa的风机称作透风机。

Above 2 years quartz watch change battery, must doing waterproof. because turn on back cover that minute. Inner watch air pressure and surrounding air pressure is difference,it will definite destroy to rubber ring

突出二年以上的石英表换电池，必需作防水，因为翻开前盖的一霎时，表内的气压与环境气压不异，错胶圈有必定的损害。

The former Shao Xing county automobile brake factory）professionally manufacture construction machinery, air boost, vacuum booster and spring break actuator for forklift truck, automobile and tractor, air pressure or hydraulic pressure, single or double break, master or subsection cylinder, footplate, tracked assembly, and so on.

绍兴县精致机械制造有限公司专业生产工程机械、叉车、汽车、拖拉机空气加力器、真空助力器、弹簧制动室、离合助力器、汽压、液压、单、双管路制动、离合总泵、分泵和踏板支架总成等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。