| 释义 |
Lead isotope
基本例句
铅同位素
The stable variation of lead isotope compositions suggests that it belongs to normal lead.铅同位素组成变化不大,属正常铅。
And the study on application of lead isotope tracing for city environment pollution sources can get a good result.铅同位素示踪理论应用于城市环境污染源的研究,能够取得比较理想的结果。
In recent years lead isotope tracing has been playing its unique role in studying the source and migration of heavy metals in soil.近年来铅同位素示踪在研究土壤中相关重金属来源及其运移途径起到独特的作用。
The studies on constant element, trace element, PEE and lead isotope indicate that the subalkalic intrusive complex body is formed by deep crust-mantle migmatization.综合岩石和矿床的常量元素、微量元素、稀土元素及铅同位素等特徵，表明偏碱性侵入杂岩体是深部壳幔混合作用形成的；
The sulfur and lead isotope compositions indicate that the ore_forming materials were mainly derived from the volcanic rocks and granodioritic porphyries.硫_铅同位素指示成矿物质主要源于火山岩地层和花岗闪长斑岩脉。 |