oxygen / O2 (element)

According to nine binary alloy phase diagrams, fussion heat of six deoxidant elements Si, Ca, Ba, Mn, La and Al used for steelmaking were calculated.

根据9幅二元合金相图,分别计算了6种炼钢用脱氧元素Si、Ca、Ba、Mn、La和Al的熔化热。

The results obtained by using this catalyst for the microdetermination of organic oxygen in coulometric method are satisfactory.

本文报道一种含高分散金属的新型Ｎｉ－Ｐｔ高强度碳化树脂催化剂的制备方法，并应用该催化剂，以库仑法测定微量有机氧元素取得了较满意的结果。