在二乙基亚硝胺(DENA)诱发大鼠肝癌过程中，维生素k依赖性羧化酶活性呈现先降低、后升高的现象。
During hepatocarcinogenesis induced by diethylnitrosamine (DENA) in rats, a period of decreased vitamin K-dependent carboxylase activity was observed followed by an increased period.
放疗的主要机制是通过放射线对肿瘤的电离作用，直接或间接诱发自由基、活性氧来杀伤肿瘤细胞。
The mechanism of radiotherapy is its ionization action, which can kill the tumor cell directly or indirectly by generation of free radicals, reactive oxygen species to cure the disease.
以上试验结果表明，双翅目昆虫诱发的聚集行为对奶牛的外周血酶活性、心率、体温和生产性能均产生了不良影响。
These results show that aggregation induced by Diptera activity produce negative effect on the cow's Enzyme activity, heart rate, body temperature and performance.
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