The methane content detecting is very important for coal mine production.
甲烷含量的检测对煤矿的安全生产等有着重大的意义。
The coalbed methane content is the most important index for the evaluation of coalbed methane.
煤层甲烷含气量是评价煤层气的最重要指标。
A great many coal mines which are high coal bed methane content are concentrated in Zhohgqing areas.
重庆是全国有名的高瓦斯矿井和煤与瓦斯突出矿井集中的地区，瓦斯资源丰富。
Coal bed methane content is fairly high which threatened safety mining in some areas in Shuangyashan mining area.
双鸭山矿区局部区域煤层瓦斯含量较高，威胁到安全生产。
The actual methane yield and methane content of biogas in anaerobic digestion were analysed and studied in this paper.
本文对厌氧消化中实测甲烷产量及沼气中甲烷含量两个问题从理论角度作了分析探讨。
The methane content of the biogas was similar and was 50% in the hydrolysis reactor and 70% in the methanogenesis reactor.
两种麦草产生的生物气中的甲烷含量大致相同，在水解反应器中后期为50%左右，在甲烷反应器中为70%左右。
Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal.
最后提出了利用煤屑解吸瓦斯流量测算煤层瓦斯压力和瓦斯含量的计算方法和计算公式。
Methane content of the gas produced and the methane producing rate were determined by the total number of methane producing bacteria developed.
沼气中甲烷百分含量和日产甲炕效率的高低与产甲炕细菌菌数有关。
A great many coal mines which are high coal bed methane content are concentrated in Zhohgqing areas. It is abundant in coal bed methane deposits.
重庆是全国有名的高瓦斯矿井和煤与瓦斯突出矿井集中的地区，瓦斯资源丰富。
One natural gas field is in desert, it is a kind of condensate natural gas reservoir that the condensate oil content is lower and the methane content is higher.
某气田地处沙漠地区，属凝析油含量特低、甲烷含量较高的凝析气藏。
Methane content is high and spontaneous combustion occurred frequently in Yangquan coal mines, which have a serious influence upon the safe production in the mines.
阳泉矿区煤层瓦斯含量高，井下煤层自燃频繁，严重影响了煤炭安全生产。
Methanotrophic microorganisms play an important role in regulating global methane content, and landfill cover soil is proved to have high capacity of methane oxidation.
甲烷氧化微生物在调节全球甲烷平衡中起着重要作用。垃圾填埋场覆土具有相当强的甲烷氧化能力。
The reason of increasing methane content at outlet of secondary reformer is described; Author thinks that its reason is caused by the secondary reformer air distributor.
阐述了二段炉出口甲烷含量升高的原因，认为是二段炉空气分布器所致。
CBM well group drainage and mining testing data indicated that the coupling of methane content, fissure development extent and hydrodynamic condition is necessary terms to ensure stead...
煤层气井组排采试验资料表明，甲烷含量、裂隙发育程度、水动力条件三者的耦合是保证煤层气井稳定高产的充分必要条件。
The explosive potential (energy content per unit mass) of hydrogen is about twice that of the methane in natural gas.
氢的爆炸潜能(单位质量含有的能量)大约是天然气中甲烷的两倍。
Natural gas from No. 1 and No. 2 gas fields in Caidamu basin is characterized by high content methane, high purity and high formation water salinity.
柴达木盆地涩北一号、二号气田具有天然气甲烷含量高、纯度高、地层水矿化度高的特点。
It is shown that the compressive stress, the content of the methane of the coal, and the bump of coal and methane are directly affected by the content of the ash and the volatile of the coal.
研究表明：煤的灰分、挥发分含量直接影响着煤体瓦斯压力、含量及煤与瓦斯的突出。
With similar geology factors of controlling gas, the content of coalbed methane is controlled by effective stage of gas genetation and the rate of gas generation in this stage.
在其它控气地质因素相似的前提下，有效生气阶段和有效阶段生气率控制着煤层含气量的高低。
Lastly, it is pointed out that the middle region with high gas content is a favourable target for exploration of coalbed methane.
最后指出中部高含气量区是最有利的煤层气勘探靶区。
The gas content is a critical parameter in resource calculation, and target selection and evaluation of coalbed methane.
含气量是进行煤层气资源计算与选区评价的关键。
The wax content of the crude oil is high, its methane carbon isotope could be reversed, indicating its multi-stage pool-forming origin.
油气藏含蜡量高，甲烷碳同位素具反转现象，说明其为多期成藏的产物。
The gas content of the coalbed is one of important parameters for assessing coalbed methane resources.
煤层含气性是煤层气资源评价的的重要参数。
The gas content of the coalbed is one of important parameters for assessing coalbed methane resources.
煤层含气性是煤层气资源评价的的重要参数。
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