物性综合指数
aggregative index of physical property
螯合重金属
chelation of toxic metals
海水重金属指标
sea water heavy metal index
还原性重金属捕集剂
reductive heavy metal chelating agent
外源复合重金属污染土壤
Soil polluted by exogenous compound heavy metals
综合性重建区
comprehensive redevelopment area
铂族金属合金分析
Analysis of platinum metals alloys
非金属-金属转化
nonmetal-metal transition