水蒸气透过系数；
To increase the vapor permeability of film products.
赋予薄膜制品透气性。
For Diverse of Fabrics, including fabrics permeability of the water vapor permeability testing.
用于各类织物，包括透湿型涂层织物的透湿量试验。
With the increase of soaking time, the water vapor permeability first increases, then decreases.
随着浸泡时间的增加，皮革样品的透水气性首先增大，随后减小。
The experimental results showed the air and water vapor permeability of polyurethane membranes are improved.
结果表明，白木粉的加入能改善聚氨酯膜的透气和透汽性能。
The polyimide membrane has high H_2O vapor permeability and can be applied to dehydration of organic vapors, or air drying.
这种膜对水蒸气有很高的透过性，因而也可用于有机蒸气的脱水，或空气干燥。
The influences of PU mass fraction and the time of repose on the moisture vapor permeability of PU thin membranes were studied.
试验结果表明，随着质量分数的增加，聚氨酯薄膜的透湿量逐渐减小；
With the increasing of the humidity, the water vapor permeability of multilayer fabrics decline in the temperature to a certainty.
而当温度一定时，织物的透湿量基本上是随着相对湿度的增加而减少。
PU membranes modified with SF have good flexibility as well as their hydrophilicity was improved, and certain water vapor permeability.
丝素改性后，聚氨酯膜不仅表面亲水性提高，而且仍具有良好的柔韧性和一定的透汽性。
The results showed that with the increasing of fat, the tensile strength(TS), elongation (E), and water vapor permeability (WVP) decreased.
结果表明，脂肪比例升高，腐竹抗拉强度、延伸率和透水率都下降；
Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.
因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。
With the increase of lac dosage, solvent swell and water vapor permeability decreased first followed by insignificant change, while tensile strength increased.
随着紫胶用量的增加，膜的溶胀倍数、水蒸气透过系数先降低后变化不大，而拉伸强度上升；
Air permeability, water vapor permeability, moisture absorption, heat preservation and antimicrobial ability are the main performance indicators of hygienic property of leather shoes.
透气性、透水汽性、吸湿性、保暖性、抗菌性等是皮鞋卫生性能的主要指标，分析了皮鞋上述几方面指标国内外的研究现状和发展趋势。
This result showed that the change of relative humidity led to the variation in mechanical properties, water vapor permeability (WVP), oxygen permeability and moisture absorption of the films.
结果表明，由于蛋白腹为亲水性膜，受环境湿度的影响，其水分含量、分子间作用力有所不同，从而导致蛋白膜的机械性能、透湿性和吸湿率也随之发生变化。
Disclosed is an ink tube for inkjet printers, which has excellent flexibility and workability, while being small in compression set as well as in water vapor permeability and air permeability.
本发明提供在具有优异的柔软性和加工性的同时，水蒸汽或空气的透过性小、而且压缩永久变形小的喷墨打印机用墨水管。
It is its structure that gives leather its permeability to air and water vapor.
正是皮革的结构使皮革对空气和水气具有可渗透性。
The properties of the fabrics of blended spun yarn of VILOFT and hollow polyester, such as wet permeability, vapor transmission, warmth? Retention, handle, drape are researched.
研究了VILOFT扁丝与中空涤纶混纺纱织物的导湿、透汽、膨松、保暖、手感、悬垂性能。
The properties of the fabrics of blended spun yarn of VILOFT and hollow polyester, such as wet permeability, vapor transmission, warmth? Retention, handle, drape are researched.
研究了VILOFT扁丝与中空涤纶混纺纱织物的导湿、透汽、膨松、保暖、手感、悬垂性能。
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