Study on the relationships between the structures,permeability and the pores of worsted fabrics;
精纺毛织物的孔隙与结构及透气性的关系
A new test method for air permeability of fiber assembly;
一种研究纤维集合体透气性能的新方法
Analysis of air permeability and moisture transmission properties of flax/jute lawn cultivation base;
黄麻/苎麻草坪培植基的透气透湿性分析
This review summarizes the structure, principal and several manufacture theories of waterproof and breathable polyurethane film, coating, and their applications.
综述了防水透气性聚氨酯薄膜及涂层的结构、原理及各种成型加工工艺及其应用。
Covered fabric is less breathable for the covering film is composed with macromolecule material, which prevents the air from premeating between the two sides of the fabric.
涂层织物在涂饰中所用的高分子材料薄膜的透气性较差,阻碍了空气的透过作用,导致涂层织物的透气性降低。
The later the time of collection of the seeds,the weaker the ability of the ventilation of seed shell;the stronger the inhibition of seed shell on t.
结果表明，山楂种壳透气性差，能显著地抑制种子的呼吸。
In this paper, the performance of gas permeation and anti -bacterial of fresh-keeping films for fruits and vegetables was studied.
本论文以低密度聚乙烯为基材,利用填充改性的方法,针对改善薄膜的透气性和抗菌性,制备了两种不同特性的果蔬保鲜膜。