hydrogenn.氢
Hydrogenatlon加氢
hydrogen scale氢温标,氢标度
hydrogen crack氢致断裂
hydrogenolysisn.氢解作用
hydrogen clock氢钟
hydrogen pinch氢夹点
hydrogen shift氢位移
hydrogen donor氢供体
hydrogen lyase氢解酶, 甲酸脱氢酶
hydrogen laser氢激光管