1) pullutionable element
致污元素
2) colouring element
致色元素
1.
The mineralogical characters and colouring elements of lavender jadeite jade are summarized according to the studies under polarized microscope, infrared spectrum analysis, X-ray diffraction analysis and energy dispersive X-ray spectrum analysis of 9 samples which includes two samples of jadeite jade B.
结果表明：紫色翡翠的比重相对轻小；其主要矿物成分为硬玉，次要矿物为钟长石和透闪石，少量的霓辉石和霓石；硬玉可分为三个世代，紫色硬玉的晶形较好，多呈自形粒状交品结构，主要属于第二和第三世代，即形成时间相对较晚；紫色翡翠的颜色主要由致色元素Fe引起，同时，V，Ni，Mn等致色元素对形成紫色的不同色调也起一定的作用。
4) pollutant element
污染元素
1.
Transition rules of pollutant elements in a new near zero emission coal utilization system;
新型近零排放煤利用系统中污染元素的迁移转化规律研究
2.
Major pollutant elements in soil are Hg, Pb, Zn, Cu contents of which are higher in the upper level, urban district and by the Fuhe River and South River than those in the lower level, suburban district and by the Shahe River.
土壤中主要污染元素Hg、Pb、Zn、Cu的含量 ,在浅层样中较高 ,其污染状况市区内及工厂区比城郊严重 ;府河、南河的污染比沙河严重 ,但其污泥可以综合利用。
5) mineralization sequences of elements
元素致矿序列
6) Colorific element of colors
彩的致色元素
补充资料：场致发光材料(见电致发光材料)
场致发光材料(见电致发光材料)
electroluminescent material
见场致发光材料eleetrolumineseent material 电致发光材料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条