1) Column abundance of methane
甲烷柱含量
2) methane content
甲烷含量
1.
By the effective analysis of coal thickness,coa quality,hydrological condition,hidden depth of the coal bed surrounding rock and so on on coal bed methane content in Daxing Well Field expounds slorag of coal bed methane regular pattern and evaluales the necessity and possibity of prospecting and developing of coal bed gas in this area.
通过对铁法煤田大兴井田煤厚、煤质、水文地质条件、埋藏深度、煤层围岩物性特征等因素对煤层甲烷含量的影响分析,阐述该区煤层甲烷赋存规律,同时评价了该区煤层气勘探开发的必要性和可能性。
2.
It is analysed that the utilization of Ende powdered coal gas-making technology in methanol co-production process can result in a 20% high of CO 2 and a three to five times rise of methane content in gas in view of the characteristics of Ende powdered coal gasification and operational fluidized bed gasification parameters at hand.
根据恩德粉煤气化的特点 ,及已有的沸腾床气化数据 ,分析认为 :联醇工艺采用恩德粉煤制气 ,将使煤气中CO2 含量高达 2 0 % ,甲烷含量升高 3～ 5倍。
3) critical methane content
临界甲烷含量
1.
The replacement medium and concentration, critical oxygen content, critical methane content are determined by analyzing the components of inflammable gases and their explosive limits.
通过对可燃气体成分及爆炸浓度的分析,分析了置换介质及其浓度、临界含氧量、临界甲烷含量,并对各种置换方式(如等压、升压等)适用性和可行性进行了分析比较;对置换过程中的压力、CH4及O2浓度的变化及相互关系,对氮气用量和置换时间进行了分析,并提出计算方法;对充入氮气的速度及排放混合气体及其对储罐的影响进行分析和研究。
4) methane content of bilogas
沼气中甲烷含量
5) coalbed methane content
煤层甲烷含量
6) Column burden
柱含量
1.
There was a general decreasing trend of column burden from south to north in China.
结果表明,黑碳气溶胶主要分布在我国黄河以南、青藏高原以东的广大区域,柱含量由南向北递减;柱含量最大值在0。
补充资料：二苯甲烷及三苯甲烷
二苯甲烷及三苯甲烷
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条