The results are as following : the rate of hydrogen desorption and the quantity of hydrogen absorption have relations with the activity of the surface of alloy ingots . the fresh and more active alloy ingots are more efficiency 研究发现：氢爆的速度和吸氢量与合金铸锭表面的活性有关，表面新鲜，活性大的合金铸锭氢爆的效果高。
