The effects of curing temperature, methanol concentration and membrane composition on the ionic conductivity and the methanol permeability of the membranes were investigated.
研究了膜组成、热处理温度、甲醇水溶液浓度等对膜电导率和甲醇透过率的影响。
Earlier after concrete has been poured, curing agent is as if a water evaporating resistance. When a membrane formed, it became a vapor barrier.
在混凝土浇筑后初期，养护剂犹如水蒸发的抑制剂，而随着薄膜的形成，则犹如蒸汽不通过膜。
CONCLUSIONS Good curing, nursing care and quality control for nosocomial infection will increase the survival from the hyaline membrane disease.
结论合适的治疗方法、有效的护理措施和医院感染控制可提高患儿的生存率。
CONCLUSIONS Good curing, nursing care and quality control for nosocomial infection will increase the survival from the hyaline membrane disease.
结论合适的治疗方法、有效的护理措施和医院感染控制可提高患儿的生存率。
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