有害组分 meaning in English

harmful constituent

Study on the analysis of ore elements , gangue elements or poisonous elements , petrochemical characteristics of the wall rock and host rock , bi - lateral replacement and wall rock alterations leads to the metallogenic model of three in one which reveals the ore spatial distribution regularity thus is significant to further ore exploration
通过对各矿床有益有害组分分析，以及对成矿母岩、围岩岩石化学特征、双交代渗滤作用和围岩蚀变类型等研究，总结出“三位一体”成矿模式，进而探讨了矿体的空间分布规律及其找矿意义。