• The emission of CH4 and N2O increased basically with acidification cumulation degree.

    而CH4和N2O的排放基本上随酸化累积程度的加深而增加。

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  • As soil drying continued, the soil began to crack and CH4 emissions decreased to nil.

    烤田至土壤干裂时,CH 4排放通量降至零。

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  • There are also high-content CH4 and H2 in some inclusions of the typical mantle rocks.

    在个别地幔岩包裹体中还检测到高含量的CH4和H2。

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  • A pot experiment was carried out to study the regularity of CH4 emission from paddy soil.

    通过盆栽试验研究了水稻生长期CH 4排放的规律。

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  • It is estimated that some 50 billion tons of CH4 could be trapped in the Siberian Lake permafrost.

    据估计,可能约有500亿吨甲烷被困在西伯利亚湖永久冻土中。

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  • Photooxidation of CH4 probably was an important source of organic peroxides in the troposphere.

    甲烷的光化学氧化可能是大气对流层有机过氧化物的重要来源。

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  • The treatment of film compost decreased 48.6% of CH4 emission more than applying urea annually.

    包膜复合肥处理比施尿素处理年甲烷排放总量减少48.6 %。

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  • A good example of that is CH4, because the CH bond is polar but symmetrically disposed in space.

    甲烷就是一个很好的例子,因为极性键是,空间对称的。

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  • Under optimum reaction conditions, CH4 conversion of 54.5%, CH3OH yield of 45.5 % were obtained.

    在最优反应条件下甲烷的转化率可达54.5%,甲醇收率达45.5%。

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  • The fluid inclusions were mainly composed of H2O, and the minor compositions contained CO2 and CH4.

    流体中以水为主要成分,其次为CO2和CH4等,其他气体含量很少。

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  • Methane (CH4) is the main constituent of natural gas, and is the result of natural decomposition processes.

    甲烷(CH4)是天然气的主要成分,是自然分解过程的产物。

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  • With increasing CH4 concentration, these lamella grow until the structure becomes exclusively lamellar.

    这些薄层随着CH4浓度的提高而长大,直到全部为层状结构为止。

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  • The method of gas membrane separation is an important technology in the separation of gas pair CO2/CH4.

    气体膜分离法正在成为分离CO2/CH4 体系的一项重要技术。

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  • The researched fluid inclusion is in a CH4-H2O system identified by Raman spectroscopy at room temperature.

    并由常温拉曼光谱分析表明,研究流体包裹体的流体组成为CH4-H2O体系。

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  • The instantaneous gas evolution was detected by FTIR and the evolutions of CH4, CO2, CO and tar were qualitatively analyzed.

    热解气体的逸出情况由FTIR进行实时检测,并且定性分析了CH 4、CO2、CO和焦油的析出情况。

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  • But a large proportion of global greenhouse gas emissions are actually other gases, such as N2O (nitrous oxide) and CH4 (methane).

    但是,全球温室气体排放实际上有相当一部分是其他气体,如N2O(一氧化二氮)和CH4(甲烷)。

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  • N2O and CH4 are important atmospheric trace gases, which play significant roles in the global warming and atmospheric chemistry.

    氧化亚氮、甲烷是大气中重要的微量气体,对全球变暖和大气化学有重要作用。

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  • The FAD model and the quasi-classical trajectory (QCT) calculations were applied to predict the dissociation probability of CH4+.

    在理论方面,我们用场致解离模型及准经典轨线方法计算了甲烷离子的解离几率。

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  • The daily variation of CH4 emission in late rice paddy field was basically consistent with the daily variation of air temperature.

    结果稻田ch 4排放通量的日变化与气温日变化基本一致。

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  • The results indicate that CNTs grown using CH4 and H2 as reaction gases are bent and hollow, with a large average diameter and a low.

    结果表明,用CH_4和H_2为反应气体制备的碳纳米管是弯曲和中空的,它们的直径较大,生长速率较低;

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  • 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。

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  • Therefore, fluids that are brought by the Xiangshan pluton from the mantle source region are rich in H2O and reductive volatiles CH4 etc.

    因而,香山岩体所携带的流体是一种富CH4等还原性挥发份和富H2O的流体。

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  • The diurnal mean CH4 flux from rice-involved plot was significantly higher than that of rice uninvolved plot in the booting stage(P<0.01).

    有植株参与稻田在孕穗期CH4昼夜平均排放通量显著高于无植株参与稻田(P<0.01)。

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  • Organic acids are the most important intermediate products in anaerobic digestion, from which most CH4 is formed by their further reduction.

    有机酸是厌氧消化过程中有机物降解时产生的重要中间产物,大部分CH4气体都是由有机酸的进一步分解而形成的。

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  • The numerical simulation of CO2 reforming with CH4 to synthesis gas was carried out under the condition of atmospheric abnormal glow discharge.

    对大气压反常辉光放电条件下CH4 -CO2重整制合成气反应过程进行了数值模拟。

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  • Interactions among CH4 production, oxidation and emission in paddy soils with different moisture history was studied by pot and incubation experiments.

    通过盆栽和培养试验研究了不同水分历史水稻土ch 4产生、氧化及排放间的相互影响。

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  • A pot experiment was carried out to investigate the effect of rice straw application time in the previous crop season on CH4 emissions from rice field.

    通过盆栽试验研究了前茬季节稻草还田时间对稻田ch 4排放的影响。

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  • For CO2 reforming of CH4 reaction, the effect of the plasma treatment conditions on the catalytic performance of nickel-based catalysts was investigated.

    以CO2重整ch4为反应模型考察了等离子体处理条件对镍基催化剂重整性能的影响。

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  • For CO2 reforming of CH4 reaction, the effect of the plasma treatment conditions on the catalytic performance of nickel-based catalysts was investigated.

    以CO2重整ch4为反应模型考察了等离子体处理条件对镍基催化剂重整性能的影响。

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