natural isotope 中文意思是什麼
natural isotope
解釋
天然同位素-
The paper adopts some methods such as gas composition, carbon isotope, systematical analyzing and testing of reservoir bitumen biomarker from high evolutional natural gas and quantitative calculation of mixed gas, illustrates that natural gas from the section of jialingjiang formation is mainly attributed to sapropel type organic matter gas of permian, comes from carbonatite hydrocarbon rocks permian which most of them are overmature, its main gas source has nothing to do with carbonatite hydrocarbon rocks of jialingjiang formation themselves, presents in geochemistry characteristics of oil type cracked gas
摘要通過對川中川南過渡帶西部的磨溪潼南地區嘉二段天然氣組成、碳同位素組成、高演化天然氣儲層瀝青生物標志化合物的系統分析測試和混合成因氣的定量估算，闡明了該區嘉二段天然氣主要屬於二疊系腐泥型有機質成因氣，來源於二疊系過成熟為主的碳酸鹽巖烴源，主力氣源與嘉陵江組自身的碳酸鹽巖烴源無關，並具有油型裂解氣的地球化學特徵。 -
Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。 -
After 40 hour irradiation time, about 7 ci of radioactive isotope 64cu was produced via 63cu ( n, y ) 64cu reaction. after simple disposal, the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator. then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator, 64cu ions can be accelerated to an energy of 80 mev and formed the off - line rnb since natural
S ）的熱中於通量下，經過34個半衰期輻照，通過『 u … ， y ）生成放射性l司位素『 cll ，然後將放射性銅靶錐注入串列加速器強流濺射離于源中，引出mcll負離于，經刁串列加速器加速而得到能量為80mcv的離線放射性核束「 cll叭。 -
The essential elements and process of gas reservoir formation of ordovician in ordos basin have been annalysed systematicly and scientificly by means of the theory and method of organic geochemistry and tectonic geology in this dissertation. the several advanced techniques, such as gas generation thermal simulation, on - line individual gas compounds carbon isotope determination ( py - gc - c - ir - ms ), the analysis technique of light hydrocarbons and biomarkers in natural gas, gas migration simulation and gas carbon isotope determination in fluid inclusions, have been applied to focuse on the study of the gas generation mechanism of souce rock, correlation between gas and source rock, reservoir formation history, migration direction, charging road in detail
應用有機地球化學和構造地質學理論和方法對鄂爾多斯盆地奧陶系天然氣地質研究中薄弱環節成藏要素和作用進行了系統科學分析。利用烴源巖生氣定量熱模擬技術、熱模擬在線碳同位素實驗技術、氣體輕烴和生物標志物分析技術、運聚成藏物理模擬技術和包裹體中碳同位素分析技術等多種先進的實驗技術對烴源巖的生氣機理、氣源和混合比、成藏史、充注路徑、運移方向和構造作用與成藏關系等問題進行了深入的研究，在前人研究的基礎上，經過本次大量的實驗分析和綜合研究，提出了一些新的認識。 -
Standard test methods for determining the biobased content of natural range materials using radiocarbon and isotope ratio mass spectrometry analysis
使用放射性碳和同位素比率質譜分析法測定天然材料中生物基含量的標準試驗方法 -
Characteristics of carbon isotope and origin of natural gas in qaidam basin
柴達木盆地天然氣的碳同位素地球化學特徵及成因分析
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