1.
Study on hygroscopicity and permeability of inner layers of poison-proof permeable protective suits
透气防毒服内层材料的吸湿透气性能研究
2.
Permeability and Permselectivity of HQDEA-BASED and BPADA-based Polyetherimides and HQDEsA-ODA
多环芳二酐型聚酯亚胺膜的透气性能
3.
Studies and Applications of MAP Films Permeability for Fruits and Vegetables
果蔬自发气调包装薄膜透气性能的研究与应用
4.
Effects of Porosity on Gas Permeability and Maximum Pore Size of Fiber Felts
孔隙度对纤维毡透气性能和最大孔径的影响
5.
Effects of Temperature on Gas and Water Vapor Permeability of Preservative Film
温度对保鲜膜透气和透湿性能的影响
6.
Synthesis and Gas Separation Performance of Zeolite Membrane
分子筛膜的合成及气体渗透分离性能
7.
Effects of corundum granularities on properties of Al_2O_3-ZrB_2 porous plug
刚玉粒度对刚玉-ZrB_2透气砖性能的影响
8.
Flow Simulation and Design Research of the Radial Inflow Turbine in Micro Gas Turbine System;
微型燃气轮机向心透平气动性能的数值研究
9.
Water Vapor Transport Properties of Polyurethane(PU) Film Modified by Superfine Down Powder;
超细羽绒粉体改性聚氨酯膜及透湿气性能研究
10.
Chemical Modification of Cellulose Membrane and Study on the Gas Permeability of Modified Membrane;
纤维素膜的化学改性及气体渗透性能研究
11.
Relationships Between Gas and Water Vapor Permeability of PE Fruit and Vegetable Film and Temperature
聚乙烯果蔬保鲜膜的透气和透湿性能与温度变化的关系
12.
Impermeable by gas.
不透气的气体不能透过去的
13.
Test methods for water vapour transmission of building materials
GB/T17146-1997建筑材料水蒸气透过性能试验方法
14.
Test method of air permeability performance for building curtain walls
GB/T15226-1994建筑幕墙空气渗透性能检测方法
15.
Poor drainage causes deficient soil aeration and death of the roots.
排水不良能减低土壤的透气性，使根死亡。
16.
CHLORIDE IONS PENETRATION OF CONCRETE WITH FLY ASH AND AEA AND ITS RELATION WITH PERMEABILITY
掺粉煤灰和引气剂混凝土氯离子渗透性能研究
17.
The Mechanism Investigation of PDDA/PSS Polyelectrolyte Multilayers and Their Pervaporation Performance;
聚电解质PDDA/PSS自组装机理及渗透气化性能研究
18.
Influence of heat-treatment atmosphere on properties of ZnO transparent conductive oxide films
热处理气氛对ZnO透明导电膜性能的影响