permeability tester

automatic gas transmission rate tester

自动气体透过率试验机

Methods for testing the performance of high efficiency particulate air filter--Penetration and resistance

GB/T6165-1985高效空气过滤器性能试验方法透过率和阻力

Abstract: The randomness of the single channel measurement of smoke transmissivity is decrecsed by the multichannel measuring technique.

文摘:多通道烟幕透过率测试技术，克服了单通道动态烟幕透过率测试随机性大的弊端。

The randomness of the single channel measurement of smoke transmissivity is decrecsed by the multichannel measuring technique.

多通道烟幕透过率测试技术，克服了单通道动态烟幕透过率测试随机性大的弊端。

air transmission coefficient

透气系数，空气透过率

Fatigue Tester of the Bicycle Steering Handle with Pneumatic Control

基于气动控制的自行车把疲劳试验机

gas dynamics in turbomachinery

透平机械气体动力学

Design on the Demarcation Test System of Flowmeter Engine;

发动机气体流量计标定试验系统设计

Control Surfaces Efficiency Analysis of Flexible Aircraft Based on Experimental Aerodynamic Forces

基于试验气动力的弹性飞机舵面效率分析

Charging test and safety valve and automatic device adjusting for main compressor( auxiliary compressor).

主（）气压缩机的充气试验、全阀和自动装置的调整。

Method for testing cryogenic transmissivity of crystals

GB/T16864-1997低温下晶体透射率的试验方法

Calculation method for airplane IR radiation and atmospheric transmittance

飞机红外辐射及大气透过率计算方法

Research of Automatic Steady Flow Test System of Engine Intake Port

自动化发动机气道稳流试验系统的研制

Study on Steady Flow Testing of Intake Port and Simulation of Air Flow in Diesel Engine;

柴油机进气道稳流试验研究及气体流动仿真

The rate of flow of a liquid or gas through a porous material.

渗透度，渗透率液体或气体通过渗透材料流的量度

The Experimental Study on the Shift Process Form Gas to LPG of the Petrol/LPG Dual-Fuel Engine;

汽油/LPG两用燃料发动机油气切换过程试验研究

Analysis on Influencing Factor for Accuracy of Atmosphere Transmissibility Test System;

影响大气透过率测试系统精度的因素分析

testing method for liquid strike-through time of nonwovens(simulated urine)

非织造布液体透过度试验法