次生相 meaning in Chinese

second constituent
secondary phase

Spef ; chai river ; sediment ; heavy metals ; pollution
次生相富集系数法柴河沉积物重金属污染
Secondary phase enrichment factor for evaluation of heavy metal pollution of sediment in the chai river
应用次生相富集系数评价柴河沉积物重金属污染
Standard practice for determining the inclusion or second - phase constituent content of metals by automatic image analysis
用自动图象分析法测定金属的夹杂物或次生相要素含量的标准操作规程
A method of secondary phase evrichment factor for evaluation of heavy metal pollution in sediment was proposed . a case study was carride out for the chai river based of field samping and analysis . the approach was compared with currently used methods
目前，国外学者提出的几种关于河流沉积物重金属污染评价方法，具有其本身的特点和应用性，但也存在着某些局限性。为弥补这些评价方法的不足，提出了次生相富集系数法，并应用此法对柴河流域沉积物重金属的污染水平进行了评价。