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天然气碳
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  gas carbon
     Relationship between gas carbon isotope and maturity in cratonic basin, Tarim Basin
     塔里木盆地克拉通区天然气碳同位素与成熟度关系探讨
短句来源
     Natural gas carbon and hydrogen isotopic compositions in Tarim Basin, NW China
     塔里木盆地天然气碳、氢同位素地球化学特征
短句来源
     The models describing nature gas carbon isotope distillation become more and more perfect from early static models to models based on Rayleigh expression and kinetic models. Static models can not dynamically describe nature gas evolvement course and can not forecast all kinds of complicated variety in the process of natural gas generation;
     在描述天然气碳同位素分馏的众多模型中,从早期的静态模型到后来的以Rayleigh 方程为基础的分馏模型,再到现在的动力学模型是一个不断完善过程:静态模型无法动态地再现天然气的演化历程,无法预测天然气形成过程中的各种复杂变化;
短句来源
     Through investigation, it was considered that the main factors of controlling fluid heterogeneity include:①two hydrocarbon sources: in light of gas carbon isotope analysis results, the condensate gas in northern side of the buried hill mainly came from Banqiao Seg and the natural gas in southern side from Oikou Seg;
     研究认为控制流体非均质性的主要因素有:①双向供烃:天然气碳同位素分析成果表明,潜山北侧凝析油气主要来源于板桥凹陷,南侧天然气主要来自歧口凹陷;
短句来源
     Oil and gas is sourced from Fengcheng formation and Wuerhe formation of Changji sag based on oil light hydrocarbon and natural gas carbon istope , oil and gas distribution character at different stage and the character of the secondary change are studied.
     采用原油轻烃及天然气碳同位素判断该区油气源 ,指出油气来自昌吉凹陷二叠系风城组和乌尔禾组源岩 ,并指出各期油气的分布及次生改造特征。
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  “天然气碳”译为未确定词的双语例句
     Combining δ13C2 - δ13C1 with δ13C1 and δ13C2, the effects above can be explainedvery well.
     δ13C2-δ13C1值是衡量构成气藏中天然气主体的源岩成熟度的有效指标,结合δ13C1、δ13C2可以较好地体现天然气碳同位素的各种效应。
短句来源
     New Advance in Kinetic Model of Stable Carbon Isotope Ratio in Natural Gas
     天然气碳同位素动力学模型研究新进展
短句来源
     It is discovered in the gas with high aridity that methane content is high,the q uantity of weight hydrocarbon is low,and the carbon isotope is presented as norm al carbon distribution with δ 13 C 1 ranging from 37.7% to 38.1 %.
     天然气甲烷含量高、重烃含量低、干燥系数高。 天然气碳同位素呈正碳分布 ,δ1 3C1 介于 - 37.7‰~ - 38.1‰。
短句来源
     The authors of this paper study the original types of the natural gas in the Northern Tarim Basin on the basis of the carbon isotopic data of light hydrocarbons C6~C7 and their chemical compositions.
     作者综合利用天然气碳同位素、C_6~C_7,轻烃组成以及化学组成资料,对塔里木盆地北部天然气的成因类型进行研究,提出了塔北天然气各种成因类型和成熟度的判识标志。
短句来源
     On the basis of the analysis of isotopic characteristics of carbon and argon of the natural gas in the Triassic, Permian and Silurian formations in the Chishui depression, Guizhou province. It is show that, an overturning of the carbon isotopic compositions and an anomalous phenomenon with δ~(13)C_1>δ~(13)C_2 is observed.
     本文通过对赤水凹陷T、P和S气层中天然气碳和氩同位素特征的分析,指出碳同位素组成的倒转现象和δ~(13)C_1>δ~(13)C_2的反常特征。
短句来源
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  相似匹配句对
     Carbon Materials for Natural Gas Storage
     天然气贮存材料
短句来源
     CARBON ISOTOPE CHARACTERISTICS OF NATURAL GAS IN THE SICHUAN BASIN, CHINA
     四川盆地天然气同位素特征
短句来源
     CARBON NANOTUBES
     纳米管
短句来源
     N is the numbers of carbon atoms of aliphatic aldehydes and alkanones.
     N为原子数
短句来源
     Natural Gas Hydrate
     天然气水合物
短句来源
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  gas carbon
The current-voltage characteristics of structures with a layer of porous silicon of 73% porosity were measured at adsorption of gas (carbon monoxide) at room temperature.
      
We consider an emitting and absorbing gas (carbon dioxide) enclosed between two horizontal and parallel reflecting plates.
      
Influences on the tropospheric aerosol system andon the major greenhouse gas carbon dioxide are treated peripherally.
      
This paper investigates the role of a nonzero vapour entry pressure on reservoir storage and containment of the greenhouse gas carbon dioxide.
      
The carbons were tested under gas/carbon contact times of 1, 2, 3, and 4 s.
      
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In this paper we first indicate the sources of oils (condensates) in gas reservoirs containing oil or condensate in Sichuan basin according to the components of C4—C7 light hydrocarbons, and then combine them with the carbon-isotopic data of natural gases to determine their gas sources. This method is reasonable especially for judging the different sources in a gas. The oil-(condensate-) bearing gases in Sichuan basin were originally thought indigenous. From the identification of gas sources by this method,...

In this paper we first indicate the sources of oils (condensates) in gas reservoirs containing oil or condensate in Sichuan basin according to the components of C4—C7 light hydrocarbons, and then combine them with the carbon-isotopic data of natural gases to determine their gas sources. This method is reasonable especially for judging the different sources in a gas. The oil-(condensate-) bearing gases in Sichuan basin were originally thought indigenous. From the identification of gas sources by this method, however, we have found out that sources mixed gases are widespread. In view of gas migration, the accumulation of commercial gases of the Middle and Lower Triassic formation in Sichuan basin is frequently related to faults.

本文首先根据C_4~C_7轻烃的成分指出四川盆地含油(凝析油)的天然气藏中的油的来源,然后再与天然气的碳同位素特征相互印证,共同判断气源。这一方法特别对混源气的气源判断是很合理的。 四川盆地一些含油(凝析油)的天然气藏以往都认为是自生自储的。然而用本方法判断气源后,我们发现,混源气是非常普遍的。从天然气的运移特征来看,盆地中下三叠统有工业价值的天然气的聚集往往都与断层有关。

Taking the Daanzhai formation of the condensate gas reservoir in Bajiaochang gas field which in the central Sichuan Basin as an example, this paper initiates with the description of its geological characteristics summarised below:

本文在综合论述大安寨组凝析气藏地质特征的基础上,讨论了储层高度致密化的原因,并根据凝析油轻烃C_4—C_7的族组成、庚烷值与异庚烷值、轻烃指纹化合物对比,结合天然气碳同位素资料,分析了本组气藏的气源及其受外源影响的可能性。认为,油气不仅来自本组的源岩,而且有其深部香溪群油气的明显混入。此外,本文还初步分析了某些气井在开采过程中,凝析油轻烃含量与组成的变化。

This paper is the continuation of the paper published in 1984, with the emphasis on the irregular components of natural gases from the: Sichuan Basin- the isotopic compositions of C, H and S, the normal- and isoalkane predominance (C6-C13) of CH14 homologues, and the distribution and geochemical characteristics of organic sulfur including C6H6,C7H8, RSH, CS2, etc.It is considered that natural gases from the Sichuan Baisin have different distributive characteristics in different layers and locations, suggesting...

This paper is the continuation of the paper published in 1984, with the emphasis on the irregular components of natural gases from the: Sichuan Basin- the isotopic compositions of C, H and S, the normal- and isoalkane predominance (C6-C13) of CH14 homologues, and the distribution and geochemical characteristics of organic sulfur including C6H6,C7H8, RSH, CS2, etc.It is considered that natural gases from the Sichuan Baisin have different distributive characteristics in different layers and locations, suggesting that they are controlled by a combination of kerogen type, maturity of organic matter and wall-rock assemblage.1. The type of source matter (or precursor) is a main factor affecting the geochemical characteristics of natural gases. T3x-h and P2l belong to coal-series gases and Type-III source matter is dominant. The C and H isotopic compositions of natural gases are heavier, the contents of C6H6 and C7H8 are high, C7H8/C6H8 > 1, the content of C4H4S is low, and the predominance in isoalkane (C6-C13) is obvious. Jit, Piy, Z2b, etc. belong to oil-series gases and Type-I and II kerogens are dominant, indicating different geochemical characteristics of natural gases from those described above.2. The maturity of organic matter is an important factor affecting the composition of natural gases. With increasing maturity otorganic matter, the C and H isotopic compositions tend to become light. C1 and C2 isotopic values are nearly equal or even inverse, and C4H4S decreases in content.3. Wall-rock assemblage has apparent influence on the S isotopic composition. The Middle-Lower Triassic series belong to sulfate-carbonate formations enriched in gypsum. Therefore, the δ34S values of natural gases are relatively high (>20‰) against the lower values for other layers due to no gypsum layers.

本文对四川盆地天然气的碳、氢、硫同位素组成,甲烷同系物“C_6—C_(13)”烃的正异构分布,苯、甲苯及噻吩、硫醇、二硫化碳等有机硫的展布及其地球化学进行了讨论,认为烃源岩母质类型,有机质成熟度及围岩组合等是导致天然气差异的主要原因。为天然气成因和对比研究提供了信息。

 
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