The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The electrical and optical properties of the films were found to depend on the oxygen concentration in the gas mixture and the substrate temperature as well as the post-deposition heat treatment.
实验结果表明,这种薄膜的电学和光学性质依赖于混合气体中的氧浓度、衬底温度以及沉积后的热处理。
Fission gas release measurement of reactor fuel rods is one of the main issues of post-irradiation examination, which plays a key role to the evaluation of fuel performance.
反应堆燃料元件的裂变气体释放率测量是辐照后检验的一项重要内容,它对于评价燃料元件的性能起着重要作用。
The migration nature of fluid and post-reformation of petroliferous basins resulted in multi-period of migration, accumulation, pool-forming and destruction of oil and gas in geological history.
流体本身的运移性与含油气盆地后期的改造作用,导致了油气流体在地质历史上可具有多期运移、聚集、成藏和破坏的过程。
After the late structural transformation, the late sourcing period and the late oil and gas migration in the basin are controlled by post-transformation structural configuration.
在经历后期构造改造后,盆地的晚期生烃及晚期油气运移受改造后的构造格局控制。
The post concludes: 'The end of cheap oil, followed by the end of cheap natural gas, threatens to cripple strong economies and devastate weak ones.
随之而来的便是,廉价石油和天然气时代相继终结,致使大的经济体实力被削弱,小的经济体则可能被摧毁。
Fourthly, study on the in vitro gas production experiment of pre-and post-ensiling of forage sorghums of different varieties and maturity.
不同品种不同生育期饲用高粱青贮前后人工瘤胃产气量研究。
Fourthly, study on the in vitro gas production experiment of pre-and post-ensiling of forage sorghums of different varieties and maturity.
不同品种不同生育期饲用高粱青贮前后人工瘤胃产气量研究。
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