beneficiation的意思？

beneficiation的音标：beneficiation的英式发音音标为：[ˌbenɪˌfɪʃɪ'eɪʃən]beneficiation的美式发音音标为：[ˌbenɪˌfɪʃɪ'eɪʃən]...

Beneficiation removes clay and silica to considerable extent.富集操作除去粘土和硅石达到相当高的程度.A beneficiation process is used to increase the purity to 95 % or more.可采用富集方法将纯度提高到95%或更高.The composition and beneficiation test of MKS mi...