1) quick freezing method
快冻法
1.
Based on analyzing the existing experiment method and evaluation indexes of normal concrete,according to the structure characteristic and service condition,adopting quick freezing method,four kinds of porous concrete were carried out frost resistance test with cycle of freezing and thawing of 25,50,75 and 1.
在分析现有普通混凝土抗冻性试验方法与评价指标的基础上,针对多孔混凝土自身的结构特点及工作状态,采用快冻法,使冻融循环次数分别为25,50,75和100次进行4种级配多孔混凝土的抗冻性试验,并采用抗冻系数作为评价多孔混凝土抗冻性的指标。
补充资料：快堆(见快中子增殖堆)
快堆(见快中子增殖堆)
fast-breeder reactor
l快堆堆。(fast一breeder reaetor)见快中子增殖
说明：补充资料仅用于学习参考，请勿用于其它任何用途。