片语

carbon n isotope ratio碳同位素比

carbon oxygen isotope碳氧同位素

Carbon-isotope-GC-IR-Mass单体碳同位素色谱

organic carbon stable isotope有机碳稳定同位素

Carbon Stable Isotope Composition盐分条件下三种红树植物稳定碳同位素组成特征研究

Carbon stable isotope碳稳定同位素

ratio of carbon stable isotope碳稳定同位素比值

organic carbon stable isotope ratios有机碳稳定同位素

carbon-isotope and oxygen-isotope碳氧同位素

英汉例句

• in the desorption process, the cbm carbon isotope tends to become heavier, but the tendency seems to be faster at the first stage and slower at the second stage.

  解吸过程中甲烷碳同位素变重的趋势同样可分为先快后慢两个阶段。

• the environment change reflected by authigenic oxygen and carbon isotope coincides with the environment change in north of china and china sea in the same period.

  安固里淖自生碳酸盐碳氧同位素反映的环境变化与我国北方地区的全新世环境以及海平面的变化基本一致。

• the work for the neutron-rich carbon isotope on the reaction cr…

  总结了现有的碳同位素的反应截面和相互作用截面的工作。

• the carbon isotope value distribution of ethanein the south of the songliao basin.

  图3松辽盆地南部白垩系天然气乙烷碳同位素分布图fig。

• ethane carbon isotope indicates probability that, gas is mixed with sapropelic biogenic gas.

  乙烷等重烃气碳同位素特征表明工区有腐泥型生物气混入；

• gas chromatograph(gc) and carbon isotope fingerprints, developed in recent years, are a geochemical tool of reservoir interpretation.

  气相色谱指纹及碳同位素指纹分析是近几年发展起来的一种油藏地球化学研究方法。

• 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。

• cracked gas in high-temperature causes methane carbon isotope to heavy.

  高温裂解气的生成造成甲烷碳同位素变重的假象。

• 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.

  文中还通过储层中的天然气与气源巖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。

• 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).

  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。

• the value of carbon isotope in coalbed methane (cbm) helps depict some useful information related to cbm gas pool forming and development.

  煤层气甲烷碳同位素值记录了煤层气成藏和开发过程中的一些有用信息。

• the carbon isotope value distribution of ethane in the tarim basin.

  图4塔里木盆地天然气乙烷碳同位素分布图fig。

• different forms of carbon isotope values reflect the changes of carbon in the river between the karst areas and the non-karst areas, which provides a foundation to study the source of carbon.

  不同形态的碳同位素值反映了巖溶区和非巖溶区河流中碳的变化，为研究碳的来源提供了一定的依据。

• value of carbon isotope is not a linear function of ancient sea level change.

  碳同位素亦非古代海平面变化的简单函数。

• 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.

  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。

• the application value of traditional method to explore the oil and gas source using carbon isotope was bounded by the type and maturity of source rock.

  利用气体碳同位素探索油气来源的传统方法由于受源巖类型、源巖成熟度等因素的影响，其实际应用受到很大的限制。

• the carbon isotope records and sedimentation rates are most likely to reflect the humidity of climate.

  碳同位素记录和沉积速率则能更好地反映气候干湿的变化。

• the data of carbon isotope in organic matter and magnetic susceptibility of paleosol and lacustrine sediment are extensively used to reconstruct the paleoclimatic change.

  古土壤和湖泊中的有机质碳同位素与磁化率指标被广泛应用于古气候的重建。

• the gas is characterized by high content of ch_4 he and hg, as well as heavy carbon isotope of methane. comparion of gas source shows that the gas in deep layer is from jurassic coal measure strata.

  深层煤型气以甲烷含量高、重烃含量低、氦气和汞含量高、甲烷碳同位素重为特征，是典型的煤型气气源对比表明。

• experiments testifies that, carbon isotope is partial to oil-type gas when coal-type gas is mixed with oil-type gas.

  实验表明煤型气与油型气混合后碳同位素值偏重于油型气；

• 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 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。

• the carbon isotope shifts during upper permian in the south china drop gradually, and such phenomena may correspond to sea level change.

  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。

• 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.

  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。

• 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.

  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。