甲阶段
甲阶段-
酚类化合物的厌氧降解性能与其化学结构有着密切联系，其中羧化阶段和苯甲酰化阶段是其降解的关键步骤。
Anaerobic degradation ways of phenolic compounds closely linked to its chemical structure , in which the carboxylation stage and benzene acylation stage were the key step in the degradation process .
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分析结果表明，破片模拟弹冲击钢装甲的侵彻过程可大致分为初始接触、弹体侵入、剪切冲塞和穿甲破坏4个阶段。
Results show that penetration process of steel plate by FSP can be divided into 4 stages that consist sequentially of initial contact , penetration , plugging and perforation .