Research on pore structure and permeability of nonwoven filtration materials;
非织造过滤材料的孔隙结构与透气性能研究
The relationship between the structural parameters and permeability of light-weight worsted fabrics;
薄型精纺毛织物透气性与织物结构参数的关系
Research on the Method and Device for Fast Testing Permeability and Compactability of Green Sand and Compaction of Mould;
湿型砂透气性、紧实率及铸型紧实度快速测定方法与装置研究
Effect of functional finish on air permeability of pure cotton fabric;
功能性后整理对全棉织物透气性的影响
Research of Moisture Conduction and Air Permeability of Bamboo Fiber Fabric;
竹原纤维织物导湿透气性能研究
Study on the prediction of woven fabrics air permeability;
机织物透气性能的预测研究
) fruits were stored in 4℃ and packed with different gas permeability polyethylene bags.
采后枇杷采用不同透气性的聚乙烯袋包装并置于4℃下贮藏,结果显示,中透气性聚乙烯袋包装的枇杷除了失重率和TSS含量没有明显差别外,对腐烂指数、硬度、可滴定酸(TA)、Vc含量及感官等品质指标的保持均明显优于其它两种透气性包装袋,说明中透气性袋更有利于枇杷的保鲜。
We use the samples to research the gas permeability and the heat conductivity,then discuss the ways how to improve the heat conductivity and low the gas permeability to upgrade the quality of the products.
在炭砖质量改进方面,着重就透气性和导热性两个功能性指标进行了研究,并探讨了生产高导热率、低透气率炭砖工艺的改进途径。
According to the underground pressure distribution rule and the separation control function of drainage borehole,the shallow hole drainage technology is studied and tested by using the characteristic that the gas permeability may have an obvious increase after mining in front of the working face,obtaining some useful parameters,showing that the tech.
为提高低透气性、高瓦斯煤层工作面的瓦斯预抽效果,对工作面瓦斯抽放新技术进行了研究。
Silicone resin clear concrete paint offers outstanding durability,water repelleny and breathability and maintains the natural finish color of concrete.
硅树脂清水混凝土涂料集耐久性、憎水性和透气性于一身,同时保持了混凝土本身的外观。
The article investigates the effects of pretreatment and finishing on the breathability of silk-like fine denierpolyester fabric.
研究了细旦涤纶仿真丝绸的前处理和后整理对织物透气性的影响,实验证明织物经碱减量前处理后透气性提高,但随之断裂强力也下降,在保证一定强力的前提下选择碱减量工艺。
A kind of microcapsule was researched and applied to improve the breathability of the coated fabric.
采用一种环保型微胶囊产品,应用于涂层整理,以提高涂层织物的透气性。
When laneway is dug into coal bed with low venting quality and effusing of large quantity of gas, the digging velocity would be lowered and even effusing accidents may happen because of the difficulties in discharge of the gas.
在低透气性,且具有瓦斯突出危险煤层巷道的掘进过程中,由于瓦斯排放困难而影响掘进速度,且存在突出事故发生的危险。
This paper studies the sintering characteristics and venting quality of A_3S_2/Fecomposite and effectiveness of short fiber reinforcement,and analyzes the formationmechanism of its macrostructure and microstructure in sintering.
本文研究了Ａ_３Ｓ_２／Ｆｅ复合材料的烧结特性、透气性和纤维增强效果，分析了烧结过程中材料宏观结构和微观组织的形成机理。
Measurement and Comparison of the Dynamic Permeability and the Static Permeability of Airbag Fabrics
安全气囊织物动态透气性与静态透气性的测试
Rigden's permeameter
里格登透气性试验仪
testing method for permeability to gases of refractory bricks
耐火砖透气性试验方法
Vapor permeable stretch film： Soft breathable diaper.
透气性延伸膜：如质感柔软之透气性纸尿布制品。
Note: Air permeability and breathability are not synonymous.
注意：空气渗透性和透气性是两个不同的概念。
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
Study on Uncovering Low Permeable Coal Seam Through Cross Cut by Deep-hole Blasting Technology to Increase Permeability of Coal Seam;
石门揭穿低透气性煤层深孔爆破增透技术研究
The Theory and Technology Study on Pressure Relief and Permeability Enhancements of the Coal Seam with High Concentration of Gas and Low Permeability
高瓦斯低透气性煤层卸压增透理论与技术研究
Study of Gas Exhausting and Mining Techniques on Outburst Coal Seam with Low Permeability for Strengthening Antireflection
低透气性突出煤层强化增透瓦斯抽采技术研究
The effect of RGP on corneal curvature
硬性透气性接触镜对角膜曲率的影响
" Rubber, vulcanized--Determination of permeability to gases--Constant volume method"
GB/T7755-1987硫化橡胶透气性的测定恒容法
frazier permeometer
弗雪泽织物透气性试验仪
Standard test method for permeability gas of pottery ware of daily use
GB/T4736-1984日用陶器透气性测定方法
Test method for gas permeability of plastic film
GB/T1038-1970塑料薄膜透气性试验方法
Textiles--Determination of the permeability of fabrics to air
GB/T5453-1997纺织品织物透气性的测定
" Rubber, vulcanized--Determination of permeability to gases--Constant pressure method"
GB/T7756-1987硫化橡胶透气性的测定恒压法
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
Preparation of High Gas Permeability LDPE/EVA Films
高透气性LDPE/EVA薄膜的制备