按照下式计算水蒸气透过率和水蒸气透过系数。
Calculate the water vapor transmission, and permeance as follow.
在恒温恒湿条件下,湿杯法检测涂料游离涂膜的透汽性,从而建立了一种简捷实用的水蒸气透过率检测方法。
Under the condition of constant temperature and constant humidity, the water vapor penetration rate of the separate coatings film is tested by the wet cup method that is simple and practical.
译文:水蒸气透过率(WVTR):在一定的温度、湿度条件下,单位时间内透过单位面积的水蒸气的质量。
Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
译文:水蒸气透过率(WVTR):在一定的温度、湿度条件下,单位时间内透过单位面积的水蒸气的质量。
Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
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