反复冻融法1. In order to study the best conditions of the Sevag method for removing the proteins in Astragalus polysaccharide,and also to compare the Sevag method with repeated freeze-thaw method on protein removing,the single-factor experiment was conducted to study the effects of different ...
a混凝土试件所能承受的反复冻融循环次数;混凝土试件在抗渗试验时所能承受的最大水压力,应按现行国家标准《普通混凝土长期性能和耐久性能试验方法》的规定进行。实测的混凝土抗冻性和抗渗性指标,不应低于设计要求值 The concrete test sample can withstand repeatedly the thaw-freeze cycle number of times; Concrete ...