Stable carbon isotope analysis is a rapid and reliable technique developed in recent years and may reveal many processes of carbon dynamics in plants.
植物稳定碳同位素技术是近年兴起的一项快速、可靠的技术。
Hydrocarbon source rocks by carbon isotope analysis results showed that with the increase of carbon isotope, ethane maturity turns heavy, just smaller influenced than methane.
烃源岩热解气碳同位素分析结果表明，随成熟度增大，乙烷碳同位素随之变重，只是受影响的程度比甲烷小。
A method combining solid phase microextraction (SPME) with cryofocus technique was developed for the compound-specific carbon isotope analysis of volatile organic compounds in aqueous phase.
将固相微萃取（SPME）技术与冷阱富集系统相结合，对水体中痕量挥发性有机物进行了单体碳同位素分析，方法检测限较常规SPME提高了一个数量级。
This paper discussed the rule of CO_2 degassing from deep faults hotsprings in Yunnan by analysis of the geology background, environment condition, chemistry of water and carbon, helium isotope.
本文通过对典型热泉的地质背景、环境条件、水化学及碳、氦稳定同位素的分析，探讨了我国云南省深大断裂出露温泉CO_2释放的一般规律。
The surface hydrocarbon anomalies in the area was caused by oil and gas activities in deep part, according to the analysis and judgement using the carbon isotope and hydrocarbon ratio.
根据甲烷碳同位素法和烃类比值法分析判断该区地表烃类异常主要由深部油气活动所产生。
According to analysis of natural gas ingredient and CH4 carbon isotope, it is proven that the natural gas of this area is superficial.
根据天然气成分分析和CH4碳同位素资料，论证了该区天然气为浅层天然气。
The present study made a detailed carbon and oxygen stable isotope analysis on the lacustrine carbonates from the Lower Cretaceous Yixian Formation, Yixian, western Liaoning, NE China.
通过辽西义县盆地上白垩统义县组湖相碳酸盐岩碳氧稳定同位素组成，分析了赋存热河生物群的义县盆地湖湘沉积环境。
In premise of full understanding geologic background, the analysis of hydrochemistry, carbon-oxygen isotope and rare earth element (REE) were made, then the results yielded as follow.
文章在充分了解地质背景的前提下，对冰凌山钙华的水化学、碳氧同位素和稀土元素作了研究分析，从而取得以下成果。
In premise of full understanding geologic background, the analysis of hydrochemistry, carbon-oxygen isotope and rare earth element (REE) were made, then the results yielded as follow.
文章在充分了解地质背景的前提下，对冰凌山钙华的水化学、碳氧同位素和稀土元素作了研究分析，从而取得以下成果。
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