常見例句雙語例句The experimental results showed the air and water vapor permeability of polyurethane membranes are improved.結果表明，白木粉的加入能改善聚氨酯膜的透氣和透汽性能。Edible films were prepared from rice protein concentrate, and their water vapor permeability, mechanical property were also studied.研究了大米蛋白可食用膜的工藝條件，并測定了膜的抗拉強度、延伸率和透水率。The results showed that with the increasing of fat, the tensile strength(TS), elongation (E), and water vapor permeability (WVP) decreased.結果表明，脂肪比例升高，腐竹抗拉強度、延伸率和透水率都下降； 返回 water vapor permeability