The ethanol extractable mono formazan was measured by a spectrophotometer, and used as a quantitative indicator of oxidative stress that developed during a freeze thaw cycle.
把其中的单甲用乙醇提取出来,在分光光度计上比色,可作为冻融循环中产生的氧化胁迫的定量指标。
Objective To compare the qualities of HL60 cell antigen peptides extracted with acid elution or freeze thaw method.
目的比较酸洗涤法和冻融法提取HL60细胞抗原多肽的质量。
Furthermore, based on freeze thaw experiments for the high strength concrete, attempts are made to analyze the initial degenerate point and the sharp degenerate point as well as their regularities.
同时展开了高强混凝土的冻融试验;在试验的基础上,分析了高强混凝土的初劣点与陡劣点以及它们的规律。
Due to the seasonal freeze thaw erosion and particularity of erosion effect that little research work has been conducted on this aspect both at home and abroad.
冻融侵蚀的季节性和侵蚀作用的特殊性,使得国内外对这方面的研究开展很少。
The experiments indicated that it was possible that the reductant of NBT in the freeze thaw cycle was superoxide anion free radical.
实验还表明还原NBT的还原剂很可能是超氧阴离子自由基。
The improved freeze thaw experiment indicates that this additive can improve the long term anti water ability of acid aggregate asphalt mixture markedly.