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- Methane hydrogen isotopic composition 甲烷氢同位素组成
- The hydrogen isotopic compositions in single hydrocarbons was measured by gas chromatography-thermoconversion-mass spectrometry (GC/TC/MS). 用色谱-热转换-质谱(GC/TC/MS)对天然气单体烃氢同位素组成进行了测定。
- Oxygen and hydrogen isotopic compositions of fluid inclusions within quartz from the gold veins suggest that the ore-forming fluid came from meteoric water. 矿体石英中的流体包裹体氢、氧同位素组成特征,显示成矿热液来源于大气降水。
- THE HYDROGEN ISOTOPIC COMPOSITION OF NATURAL GASES GENERATED FROM DIFFERENT PATHWAY 不同成因天然气的氢同位素组成特征研究进展
- WHAT CAN WE LEARN FROM OXYGEN AND HYDROGEN ISOTOPE COMPOSITIONS OF TREE-RING CELLULOSE IN HIGHER PLANTS? 树年轮纤维素稳定同位素比率的生态学意义?
- Natural gas carbon and hydrogen isotopic compositions in Tarim Basin, NW China 塔里木盆地天然气碳、氢同位素地球化学特征
- hydrogen isotopic composition 氢同位素组成
- Hydrogen isotopic compositions of individual n-alkanes in terrestrial source rocks 陆相有机质中单体烃的氢同位素组成特征
- The isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer. 摘要用高分辨率质谱计分析了重水中氢与氧的同位素组成；
- Abstract The isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer. 摘要 用高分辨率质谱计分析了重水中氢与氧的同位素组成;
- Carbon and hydrogen isotopic compositions of coal-genetic natural gases and their applications in accumulation in Upper Paleozoic, Ordos Basin 煤成天然气碳氢同位素组成及成藏意义:以鄂尔多斯盆地上古生界为例
- How could such a change in isotopic composition have come about? 同位素的组成有这样的变化，究竟是如何发生的？
- The results show that hydrogen and oxygen isotopic composition can be analyzed in the same time by using high-resolution mass spectrometer,little sample is used and the r... 结果表明,高分辨率质谱法分析重水,可同时分析其中的氢同位素和氧同位素,并且用样量小,结果可靠。
- Oxygen and hydrogen isotope composition of meteoric water in the tropical West Pacific Ocean 热带西太平洋雨水的氢、氧同位素组成
- Hydrogen and oxygen isotopic composition of the fluid inclusion in quartz indicates that the water in ore-forming fluid was derived meanly from mixture water of meteoric and magmatic. 石英流体包裹体氢氧同位素组成表明，成矿流体中的水主要来源于大气降水和岩浆水的混合。
- In this paper,hydrogen and oxygen isotopic composition of pyroxenes from mantle-derived megacryst and xenolith of the kimberlitic lamprophyre pipe in Lujing,Anyuan,Jiangxi Province has been obtained by ion microprobe and mass spectrometer respectively. 利用离子探针和质谱技术分别分析测试了江西安远路迳金伯利质煌斑岩筒辉石巨晶和包体中辉石的氢氧同位素组成。
- It is important to avoid the use of uranium compounds of unspecified isotopic composition. 要避免使用那种非专用的同位素成份的铀化合物。
- Another mystery is the isotopic composition of xenon found in minerals from the Oklo uranium deposit in Gabon, Africa. 另一个令人费解的问题就是在非洲加蓬的奥克洛铀矿床的矿物中所发现的氙同位素组成。
- The Quaternary natural gas in the east of Qaidam basin is determined to be biogenic gas through a studying of gas composition, carbon and hydrogen isotopes in methane. 本文根据组分及甲烷同系物的碳氢同位素确定柴达木盆地东部第四系天然气为生物气类型；
- The whole-rock Pb isotopic composit ions of the North Dabie Complex(NDC),the South Dabie Complex(SDC)and the Cretaceous granites in the ea st Dabie Mountains are reported. 研究了大别山东部北大别变质杂岩、南大别变质杂岩和白垩纪花岗岩的全岩Pb同位素组成。
