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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
- 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
- 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
- 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 ratios 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。
- Lead isotope ratio 铅同位素比值
- The atmospheric helium isotope ratio: Is it changing? 大气氦同位素比率在变化吗?
- An obvious restraint in the use of isotope ratios results from the need to employ mass spectrometers. 使用同位素比值法有着一个明显的局限因素，就是要用质谱仪进行分析。
- CAN STABLE ISOTOPE RATIOS PROVIDE FOR COMMUNITY-WIDE MEASURES OF TROPHIC STRUCTURE? 稳定性同位素与群落营养结构?
- 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。
- Isotope ratios of Pb contained in wares were measured using Time-Of-Flight Secondary Ion Mass Spectrometry(TOF-SIMS)without any references. 介绍了用飞行时间二次离子质谱法对器物中的铅同位素比值的测量。
- 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。
- First, it is a global record: there is remarkably little variation in isotope ratios in sedimentary specimens taken from different continental locations. 第一，它是全球性的记录：来自不同大陆位置的沉积物样品其同位素比例变化非常之小。
- 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。
- 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。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
