And in this article, various process parameters such as electrolysis alkali wash, pickling and chemical displacement copper plating, testing equipment type and anneal process are given.

文中给出了电解碱洗、酸洗及置换镀铜时各种工艺参数及所用试验设备型号及拉拔退火工艺。

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Compared to secondary recovery, it improves the sweep volume and efficiency of oil displacement by the AIDS of physical and chemical dual effect.

与二次采油相比，它借助物理和化学的双重作用，提高驱油的波及体积和效率。

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To suppress the spread of the ragweed, there have been a lot of studies on their chemical control, physical control, plant displacement and biological control.

为抑制其种群蔓延，前人开展了化学防治、物理防治、植物替代和生物防治等对豚草的防控研究。

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