vapor flow rate

The effects of the vapor flow rate,soil water content and pulsed extraction were studied.

本实验以我国南方典型土壤红壤(粘性较大的土壤)为实验土样,选用最常见的挥发性有机物苯作为污染物,采用一维土柱通风模拟SVE过程,研究了通风流量、土壤含水率以及间歇操作对苯污染红壤去污过程的影响。

Study on auto-mensuration device of the forced ventilation volume of traction motor;

牵引电机强迫通风风量自动测定装置的研制

Jet ventilation technique applied and developed in Yuanliangshan tunnel;

射流通风技术在圆梁山隧道施工中的应用与发展

Since the first successful application of jet ventilation technology in Yaji tunnel(2528m long) on Jiao-Liu railway in 1988,jet ventilation technology has been gradually used in railway tunnels and rapid progress has been made.

射流通风是公路隧道通风的主要方式,对于铁路隧道来说,射流通风技术是一项较新的通风技术。

During the construction of Qingshan tunnel,jet ventilation technology is applied and new jet ventilation mode is formed,which effectively meet the requirements of simultaneous construction at five different working faces and trackless transportation system adopted in the tunnel cons.

青山隧道的施工通风将射流通风技术应用于施工通风中形成了射流通风新模式,有效地解决了隧道5个工作面同时施工、无轨运输等条件下的快速掘进问题,较传统的巷道式通风显示出了很大优势。

Calculation of Wind Amount Needed by Ventilation During Tunnel Driving Construction and Selection of Equipments

隧道掘进施工通风风量计算与设备选择

Calculation on Effective Air Quantity of Mixing New Mind in Mine Series Ventilation New Wind-doped

矿井串联通风掺新风的有效风量计算

Among commonly used types are those employing either a propeller or cups for measuring wind speed and a vane for measuring wind direction.

普通使用的型式是测量风速的叶扇或风杯及测量风向的风标。

Ventilation is carried out according to the minimum air volume in the specifications.

并按说明书中的最低通风量进行通风换气。

Air Quantity Calculation for the Reformation Design of Underground Ventilation System in Zhaotong Lead & Zinc Mine

昭通市铅锌矿井下通风系统改造设计风量计算

Retrograde ventilation is used for Wangjiazhai coal mine, both air leakage and ventilation resistance of the main shaft are largish.

王家寨煤矿为中央并列式通风,漏风量较大,主井通风阻力较大。

Surface winds are normally measured by instruments called anemometers.

地面风通常用称为风速计的仪器来测量。

The Research of Real Time Mine Ventilation Simulation and Airflow Abnormal Value Analysis;

矿井通风系统实时模拟与异常风量分析研究

Investigation on the Performance of an Air Volume Distributor in Mini-type Ventilation Systems;

小型通风系统中风量分配器性能的研究

Change of the moisture of grain and power consumption ventilated by axial-flow fan

轴流风机通风储粮的水分减量与能耗比较

Effect of out tower particles temperature by natural ventilation prilling tower into air volume

浅析通风造粒塔进风量对出塔粒子温度的影响

Study on Ventilation Flow Rate of CO Index in Longitudinal Ventilated Tunnels Based on the Altered CFK Equation

基于改进CFK方程的隧道纵向通风CO需风量计算

Study on Fresh Air Requirement in Road Tunnel Ventilation Design

公路隧道通风设计需风量几个问题的研究

Simulation debugging experiment of air-volume control on local ventilator based on PLC

基于PLC的局部通风机风量控制模拟调试实验

Good ability in ventilation，less leakage and anti-corrosion.

具有通风量大、泄漏量小、耐腐蚀等特点。

counter-current airing

对流通风,逆流通风

forced draft, forced draught

压力通风,强制通风

provided with ventilation or involving pulmonary ventilation.

配备通风或涉及肺通风。