1·The most important exothermal reactions in the crust can be expected from the chemical transformations of sulfides.
地壳中能够料想到的最重要的放热化学反应是硫化物的化学转变。
2·The hydroxylation of phenol to produce dihydric phenol is a rapid and strongly exothermal reaction, the activity of the complex-oxide catalyst decreased rapidly.
苯酚直接羟化制备苯二酚为液固相的强放热快反应，催化剂的活性衰减很快。