这一次是碳同位素泄露了秘密。
在碳同位素组成上具深源碳特征。
The composition of carbon isotope has the characteristics of carbon of deep seated source.
高温裂解气的生成造成甲烷碳同位素变重的假象。
Cracked gas in high-temperature causes methane carbon isotope to heavy.
经过了上千年，这两种碳同位素的比例一直是不变的。
For thousands of years, the ratio between the two has been the same.
不同的烃类运移方式产生了不同的甲烷碳同位素分馏效应。
Various patterns of hydrocarbon migration would result in different fractionation effects of methane carbon isotopes.
碳同位素显示的格局，但它是较为困难的解释比氧同位素模式。
Carbon isotopes show a pattern, but it is somewhat more difficult to interpret than the oxygen isotope pattern.
随之而来勃发的浮游生物吸走了12c，碳同位素比率转向相反方向。
The subsequent plankton bloom sucked up the 12c and the isotope ratio veered off in the opposite direction.
从而为利用深海沉积有机质碳同位素组成研究古气候变迁提供了依据。
Such a study provides a basis for understanding palaeoclimate shifts by investigation of organic carbon isotopic composition in the deep sea sediments.
这种碳同位素纪年的，实际上是测量c14的含量，测量给出一个数值。
So this carbon dating, all it's really doing is measuring that. It gives a number for it.
根据碳同位素组成和稀有气体同位素组成分析，认为研究区不存在纯的幔源气。
As the gases from different origins were interacted and mixed for along time, their composition, isotope constitution were complicated.
原油碳同位素研究表明，西部原油碳同位素组成和变化主要受沉积环境的控制。
Carbon isotopic studies show that sedimentary environments mainly control carbon isotopic compositions and variations of the western Qaidam oils.
二者在甲苯、乙烷的碳同位素组成，氮气和汞蒸气含量等方面存在着一定的差异。
They are different from each other in toluene contents, the carbon isotope composition of ethane and the nitrogen and mercury vapor contents, etc.
华南晚二叠世的碳同位素变化曲线是逐渐降低的，与全球海平面变化趋势相一致。
The carbon isotope shifts during Upper Permian in the South China drop gradually, and such phenomena may correspond to sea level change.
随着现代分析测试技术的提高，碳同位素在油气地球化学中的应用也越来越广泛。
With the development in modern testing and analyzing techniques, carbon isotopes have been used widely in oil and gas geochemistry.
通过热模拟实验，系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。
The effects of element sulfur on carbon isotopic fractionation of methane have been systematically studied by the simulation experiments of thermal transformated methane from organic matter.
怀特塞德博士发现，当大陆割裂熔岩开始涌出时，碳同位素比率就像醉酒水手一样偏离航线。
Dr Whiteside found the ratio yawed around like a drunken sailor as the continents split apart and the lava started pouring out.
对山东东营盆地和南海珠江口盆地早第三纪生油层中的湖相碳酸盐氧碳同位素进行了分析。
Stable carbon and oxygen isotopic analyses of lacustrine carbonates ins ource rocks from the Dongying Basin(Shandong Province)and the Zhujiang Kou Basin(South China Sea)have been carried out.
一般认为，任何植物体的碳同位素组成主要与光合作用的C3和C4两种碳固定途径有关。
It is generally accepted that the carbon isotopic composition of plant material is correlated with C3 and C4 pathways of carbon fixation in photosynthesis.
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。
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.
不过，变质岩中微量碳酸盐的碳含量和碳同位素比值分析能够对原岩类型提供有效的判别。
Nevertheless, the combined carbon content and isotope analyses of micro-carbonate in metamorphic rocks can be used to make a distinction in origin between sedimentary and igneous protoliths.
利用显微镜和碳同位素分析法对采自河南西峡盆地晚白垩世的16枚恐龙蛋化石进行了研究。
A study of 16 dinosaur eggshell fossils in the Late Cretaceous from Xixia Basin, Henan Province, using microscopic and carbon isotope method has been made.
由天然气碳同位素特征，可以得出西部斜坡区存在着大量的油型气，它们主要分布在泰康隆起带上。
According to isotope characteristics of gas, this paper considered there is a lot of oil-type gas in Western Slope, they distribute on Taikang uplift zone.
树木年轮的碳同位素和冰核中钚同位素的检测都显示出在上述阶段的大多数时间内太阳辐射能量出现下降。
Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period.
MS在线碳同位素分析技术，能够从微量样品（色谱量级）中获得丰富的单分子碳同位素组成信息。
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).
碳同位素分馏动力学模型在不同盆地会存在差异，不仅取决于气源条件，还与聚集历史、沉积-构造史有关。
The kinetic model of carbon isotope fractionation may have difference in the different basin, which lies on gas source condition, accumulation history and sedimentary-tectonics history.
旧的GCIRMS单体碳同位素比值色谱质谱仪离子源高压放电故障频频发生，以致仪器不能正常工作。
The old GC IR MS didn't operate continuously because its fault of ion source high voltage discharge took place frequently.
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。
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.
文中还通过储层中的天然气与气源岩生成天然气之碳同位素特征的分析对比，对各类天然气的展布特征进行了探讨。
The malleabilities of various types of gas are discussed in this paper according to the carbon isotope characteristics of the gas in reservoir and gas from gas source rock.
基于该气田天然气的组成和碳同位素特征认为，该气田的天然气也不可能是生物气与下部热成因天然气混合的产物。
Based on the characteristics of carbon isotope and components of gas in this field, it is believed that the gas is unlikely a mixture of biogas and the lower thermogenesis natural gas.
利用地下水氢氧同位素（2H、3H和18O）和碳同位素（14C）方法，分析银川平原承压水的补给更新能力。
With the application of hydrogen and oxygen isotopes(2H, 3H and 18O) and carbon isotope(14C), the recharge and renewability of confined water in Yinchuan Plain have been analyzed.
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