mental element content

• 金属元素含量

mental element content的用法和样例：

例句

1. The change in strength of cryogenic austenitic steel with temperature and alloying element content was studied.
   研究了低温奥氏体钢的强度随温度及合金元素含量的变化规律。
2. The element content analysis of regional strata and gold ore confirms that the source bed of Yangshan gold deposit is Devonian Sanhekou formation.
   通过对阳山地区区域地层成矿元素含量及阳山金矿各类矿石元素含量分析，确定泥盆系三河口组地层为阳山金矿床的矿源层。