设计了真空吸收法实验装置，利用该装置测定的保水率与传统滤纸法进行了对比。
The influencing factors of water-retention rate are analyzed and testing parameters are determined.
调湿，达到除湿与干燥的功效：高平衡回潮率和保水率，赋予了竹炭纤维调湿的本领。
Wet, achieve dehumidification and dry efficacy: high equilibrium moisture regain and water retention rate, endowed with bamboo charcoal fiber wet ability.
按这种新方法制得的多孔涤纶的保水率可达14%以上，力学性能也达到了民用纺织品的要求。
The water retaining rate of porous polyester fibers prepared by this method can reach to more than 14%, the mechanical...
按这种新方法制得的多孔涤纶的保水率可达14%以上，力学性能也达到了民用纺织品的要求。
The water retaining rate of porous polyester fibers prepared by this method can reach to more than 14%, the mechanical properties of fiber can satis...
海绵的吸水率和保水率、药物缓释性能以及酶降解性能随聚乙烯醇与壳聚糖、明胶混合比例的改变而改变。
The results show that the water uptake ability, the water maintenance ability, drug release efficiency and degradable behavior are related to the proportion of components in the sponge.
氨基磺酸系高效减水剂asp的减水率高、坍落度损失小，但价格较高、混凝土保水性差，限制了其应用。
ASP has high water-reducing rate and low slump loss, but it is expensive, and the water-retention of concrete is bad, which limit its application.
这表明沙棘“柔性坝”有利于雨水下渗和增加土壤含水率，进而起到保水固土和促进植被生长的作用。
The seabuckthorn dam plays a positive role in the enhancement of rainfall infiltration, the maintenance of soil moisture, water and soil conservation and vegetation growth.
这表明沙棘“柔性坝”有利于雨水下渗和增加土壤含水率，进而起到保水固土和促进植被生长的作用。
The seabuckthorn dam plays a positive role in the enhancement of rainfall infiltration, the maintenance of soil moisture, water and soil conservation and vegetation growth.
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