SO2 is a systemic DNA damaging agent.
SO 2是一种全身性DNA损伤因子。
In this research, we used H2O2 as oxidative damaging agent to observe the antioxidative effect of PMPH in vitro, and its action mechanism was also preliminarily explored.
本研究采用体外实验的方法，以过氧化氢（H_2O_2）为氧化损伤剂，从细胞和分子生物学水平，对仙草多糖的抗氧化功能进行研究，并初步探讨了其作用机理。
By the use of this cell sheet detaching agent, cultured cells adhering to a container surface can be detached without causing any cell damaging and without the need to conduct temperature control.
根据该细胞片剥离剂，不会对细胞造成损伤，无需进行温度控制，可以将附着于容器表面的培养细胞剥离。
By using the said protective agent in build-up welding process, broken tap may be withdrawn easily without damaging screw hole and workpiece.
使用本保护剂，保证堆焊法，省工、省力、减少消耗，方便地将断坏丝锥从丝孔中取出，既不损坏丝孔又不损坏工件。
By using the said protective agent in build-up welding process, broken tap may be withdrawn easily without damaging screw hole and workpiece.
使用本保护剂，保证堆焊法，省工、省力、减少消耗，方便地将断坏丝锥从丝孔中取出，既不损坏丝孔又不损坏工件。
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