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- A Lead Isotope Ratio Data Base of Ancient Chinese Bronzes 夏商周青铜器铅同位素示踪研究数据库的构建
- Measurements of Lead Isotope Ratio in Cement by Inductively Coupled Plasma Mass Spectrometry 电感耦合等离子体质谱法测定水泥样品中的铅同位素比值
- Determination of Lead Isotope Ratio by Dual Gas Flow-Laser Ablation-Inductively Coupled Plasma-Mass Spectroemtry 双气流路-激光剥蚀电感耦合等离子体质谱测定铅同位素比值
- Keywords Cement;lead isotope ratio;inductively coupled plasma mass spectrometry; 水泥;铅同位素比;电感耦合等离子体质谱;
- Lead isotope ratio 铅同位素比值
- The isotope ratio is directly used for comparing oils or gases. 同位素比率直接用于比较各种石油或天然气。
- Source Differentiation by Lead Isotope Ratios in Total Digests of Soil Fractions and Residual Fractions 不同赋存形态土壤铅同位素比值用于判别地域性差异的研究
- Studies in the Application of ICP-MS to the Determination of Lead Isotope Ratios in Geological Materials 等离子体质谱法在地质样品铅同位素比测定上的应用
- The atmospheric helium isotope ratio: Is it changing? 大气氦同位素比率在变化吗?
- Determination of Lead Isotope Ratios in Atmospheric Aerosol by High Resolution Inductively Coupled Plasma Mass Spectrometry 高分辨电感耦合等离子体质谱法测定大气气溶胶中铅同位素比值
- lead isotope ratios 铅同位素比值
- Stable isotope ratio analysis is an effective method for the identification of fruit juice adulteration. 稳定同位素分析法就是根据这种差异对掺假果汁进行准确鉴别的有效方法。
- 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。
- There are differences between natural and adulterated juices in stable isotope ratio. 天然果汁与掺假果汁之间在稳定同位素比率方面存在着差异。
- The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead. 研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。
- 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。
- To be sure, some scientists suggest that life could have evolved differently on Titan than on Earth or that the inorganic isotope ratio may be different there. 不过，还是有些科学家指出，可能是泰坦和地球上的生命演化过程不同，或是无机同位素比率不一样。
- Analytical services include potassium-argon age determinations, stable isotope ratio analyses, radiocarbon age determinations as well as other radiometric analyses. 分析包括钾-氩测年，稳定同位素丰度分析，放射性碳测年，以及其他放射性分析。
- 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；
