gas permeabitity

Prediction of the permeability of worsted fabrics using BP neural network;

基于BP神经网络的精纺毛织物透气性能的预测

Moisture permeability performance of bamboo/wool tweed;

竹毛花呢吸湿透气性能分析

Through the SEM images,filtration efficiency and permeability test of the meltblowns,it analyzed the production parameters that affected the performance of PLA meltblowns,such as drying process,spinneret temperature,hot air temperature and press(velocity),the width of air gap.

通过对所制PLA熔喷非织造布进行电镜分析、过滤效率和透气性能测试,分析干燥过程、熔喷模头温度、热空气温度和压力(速度)、狭缝宽度等熔喷工艺参数对产品性能的影响。

The air permeability of cotton/polypropylene and the affecting factors under dry and wet states were studied in this paper.

研究了干、湿条件下棉 /丙织物的透气性能 ,分析了两种条件下影响棉 /丙织物透气性能的因素和气、汽传递过程 ,并将结果与纯棉织物进行比较。

Considering the difference between the air permeability of leather samples before re-tanning and after re-tanning, the influence of chrome content in the re-tanning liquors on the air permeability of leathers is studied.

采用不同铬含量的铬鞣液对山羊蓝湿皮块试样进行了复鞣和中和实验 ,通过测定在复鞣和中和前后试样对空气的透气性能 ,研究了铬复鞣时铬用量对皮革试样透气性能的影响。

As one of the most important index to evaluate the comfort property of garment textiles, more and more consumers pay attention to air permeability.

随着人们对服用织物舒适性能要求的提高,对作为织物舒适性能重要指标之一的透气性能研究就显得尤为重要。

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

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

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

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

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

Synthesis and Gas Separation Performance of Zeolite Membrane

分子筛膜的合成及气体渗透分离性能

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

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

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

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

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

Impermeable by gas.

不透气的气体不能透过去的

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

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

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。

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

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

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