The experimental results of stress relaxation and constant load tests in hydrogen chargingcondition prove that hydrogen has dual action of softening and hardening steel.
充氢条件下应力弛豫和恒载荷拉伸试验结果表明，氢有引起钢的软化和硬化的双重作用。
2
The condition of charging is an important question in administrative public welfare lawsuit research.
关于提起行政公益诉讼的条件一直是行政公益诉讼研究中的一个重要问题。
3
Under the condition of certain definite blasting parameters, it was found out that interval charging could reduce unit explosive consumption and also kept good broken effects.