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- The meteoric origin of geothermal water in study area is evidenced by its environmental isotope composition. 摘要環境同位素研究結果表明，研究區地熱水為大氣降水成因。
- Diet composition hada large effect on stable carbon isotope composition of cattle tissues. 飼料對牛組織中碳同位素組成的影響遠大於牛品種對它們的影響；
- OXYGEN ISOTOPE COMPOSITION OF ANHYRITE IN EARLY STAGE VEINS, MINRAL PARK PORPHYRY SYSTEM, WALLAPAI MINING DISTRICT, ARIZONA, U. S. A. 美國Wallapai礦區Mineral Park斑岩型礦床早期礦脈中硬石膏的氧同位素組成
- This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province. 本論文對來自四川龍門山泥盆紀的腕足化石進行碳、氧同位素分析。
- Secondly, the Os concentration and residence time in seawater, and Os isotope composition of seawater were precisely measured. 對海水中鋨的濃度、滯留時間 ,以及現代海水的鋨同位素組成進行了精確測定 ;
- Based on the study of chemical composition and isotope composition of galena,the paperdiscussed the genetic-type of the deposit. 通過對礦床中方鉛礦的化學成分特徵對比分析及同位素組成特徵的研究，闡述了礦床的成因類型。
- Yi X F, Li L X, Zhang X A, Zhao L, Li M C.Influence of artificial food on stable carbon and nitrogen isotope composition of Plateau Pikas. 易現峰;李來興;張曉愛;趙亮;李明財.;人工食物對高原鼠兔穩定性碳和氮同位素組成的影響
- Isotope composition shows multi-stage minerlization,multi-source fluid and high thermeral current value of petrological environment. 穩定同位素組成顯示成礦具多期性，流體具多源性，成岩環境熱流值高；
- Then the stable carbon isotope composition of PAH series such as alkyl naphthalene and alkyl phenanthrene in crude oil samples of Tuha basin were determined on GC-IRMS. 並通過色譜-同位素比值質譜（GC-IRMS）技術對吐哈盆地原油中烷基萘和烷基菲等系列化合物的碳同位素組成進行測定。
- Research on chemical components and isotope composition of carbon and hydrogen of natural gases from the Tarim basin shows that all discovered gases in this basin are thermogenic. 天然氣的組分和碳、氫同位素組成特徵研究表明塔里木盆地已發現的天然氣均為熱解氣。
- Based on researching of the age, rock types genesis, gold content and the stable isotope composition of the complex, the relation between the deposit and the complex is discussed. 本文通過對雜岩體的成因、成岩時代、岩石類型以及岩體的含金性和部分同位素的特徵分析，探討了岩體與礦床的成岩關係。
- Nd isotope composition, however, is relatively stable during the hydrothermal fluid_rock interaction, and hence can serve as a tracer for magmatic origin of ore-forming fluids. 而釹同位素則相對穩定，可作為蝕變侵入體岩漿起源的示蹤劑。
- This paper reviewed the effect of environmental factors such as light, temperature, CO2, water, nutrient, salinity, air pollutants on stable carbon isotope composition in plants. 本文綜述了光照、溫度、水分、二氧化碳、礦質營養、鹽分和大氣污染物等環境因素對植物穩定碳同位素組成影響方面的研究進展。
- The Anqing copper deposit has a complicated sulfur isotope composition ,which can not be explained by the variations of a single sulfur source or the physico-chemical conditions. 安徽安慶銅礦床的硫同位素組成複雜，不能用單一硫源或物理化學條件的變化來解釋。
- How could such a change in isotopic composition have come about? 同位素的組成有這樣的變化，究竟是如何發生的？
- Wei Juying and Shangguan Zhiguan.Oxygen isotope composition of magnetite and hematite from Bayan Obo Fe ore deposits in Inner Mongolia.Scientia Geologica Sinica,1983,(3):217-224. [8]魏菊英;上官志冠.;內蒙白雲鄂博鐵礦床中磁鐵礦和赤鐵礦的氧同位素組成
- The stable variation of lead isotope compositions suggests that it belongs to normal lead. 鉛同位素組成變化不大,屬正常鉛。
- WHAT CAN WE LEARN FROM OXYGEN AND HYDROGEN ISOTOPE COMPOSITIONS OF TREE-RING CELLULOSE IN HIGHER PLANTS? 樹年輪纖維素穩定同位素比率的生態學意義?
- The disease is still in its primary stage. 這疾病仍然在初發階段。
- Using GC/C/MS online carbon isotope analytic technic,abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale). GC/C/MS 在線碳同位素分析技術,能夠從微量樣品(色譜量級)中獲得豐富的單分子碳同位素組成信息。
