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- A study on lead isotope geochemistry of atmospheric aerosol of Chukchi and Bering sea in Arctic 北极楚科奇海、白令海上空大气气溶胶铅浓度及同位素研究
- Keywords turbldite-type sllver deposit;lead isotope geochemistry;ore -forming material source;overprinted hydrothermal solution;Guangxi;China; 浊积岩型;银矿床;铅同位素;矿质来源;两种热液叠加;广西西大明山;
- lead isotope geochemistry 铅同位素地球化学
- Title: Hydrogen and oxygen isotope geochemistry of high to ultrahigh pressure metamorphic rocks from Southeast Dabie. 关键词:大别山;超高压;变质岩;氢同位素;氧同位素;水-岩相互作用
- Sr-Nd-Pb isotope geochemistry and tectonic setting of Devonian polymetallic metallogenic belt on the Southern margin of Altaid,Xingjing. 新疆阿尔泰南缘泥盆纪多金属成矿带Sr-Nd-Pb同位素地球化学与构造背景探讨
- There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry. 这里有37讲,主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。
- 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。
- 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。
- Nitrogen isotope geochemistry in minerals and rocks has not been fully studied,primarily because of very lower(<1000 ppm) concentration of nitrogen in the crustal rocks and the difficulty to extract nitrogen from silicate minerals and rocks. 氮同位素地球化学在固体地球科学研究很少被关注;主要是由于在地壳岩石中氮丰度很低(<1000 ppm)和氮难于从硅酸盐中提取出来。
- 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。
- Some of preblems will be accounted by means of stained thin section microscopic identification, catholuminescence microscopic observation, trace elent analysis, carbon and oxgen isotope geochemistry, and fluid inclusion analysis. 认为利用染色薄片鉴定、阴极发光显微镜观察、微量元素分析、碳氧稳定同位素测定及包裹体测温等综合手段进一步研究,最终将解决这些问题。
- The authors anticipate that future advance in biomarker study, isotope geochemistry, and molecular biology will facilitate and improve our knowledge basis in the biogeochemistry of extremophiles. 作者预测未来将会在生物标志化合物研究、同位素地球化学分析和分子生物学综合研究的基础上协同推进极端微生物地球化学学科的发展。
- 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。
- CHANG Xiang-yang,ZHU Bing-quan.Application of lead isotope method in estimates of seeking mine by chemic reconnoitring[J].Mineral Rock Geo-chemis-try Aviso,1997,16(4) :245 - 249. [2]常向阳;朱丙泉.;铅同位素方法应用于化探找矿评价[J]
- A Geochemistry Study of the Lead Isotope in the Shanmen Electrum Deposit 山门银金矿铅同位素地球化学研究
- Isotopic geochemistry of granitic rocks from Tuomuer Peak region, Tianshan, China. 天山托木尔峰花岗质岩石的同位素地球化学特征。
- Therefore, development of isotopic analytical techniques is always a major task of study on isotopic geochemistry. 因此发展同位素测试技术始终是同位素地球化学研究的一个主要方面。
- Laboratory for Radiogenic Isotope Geochemistry 固体同位素地球化学实验室
