original coal meaning in English
原煤
Examples
- According to the application results actually , the original coal gas pressure revised is a few percents more than the actual measuring pressure , and relative error of gas pressure that the bore is sealed by making use of capsule - mucus is smaller
从实际应用来看,修正后的瓦斯压力要高出实测压力几个百分点,采用胶囊黏液封孔所测的瓦斯压力相对误差较小。 - The results indicate that the all properties of pulverulent coal - fired ash are obviously higher than that if original coal - fired ash . based on the above studies , the studies on the strength changing mode of concrete with pulverulent are carried out . arrange of results are attained
首先对比研究了磨细灰与原状灰在高强混凝土中的作用,结果表明,磨细粉煤灰的各种性能均好于原状粉煤灰,这为下一步性能研究奠定了基础。 - Abstract : abstract based on the analyzation of the problems present in original coal injection system , the significance of automatic temperature control of chain grate was proposed , and the ways for realizing automatic temperature control and its effects , economic benifits were also presented
文摘:根据链篦机原有喷煤系统现状,详细分析了原有喷煤系统存在的问题,阐述了实施链篦机温度自动控制的意义、实施过程及取得的效果和经济效益。 - The fluxion model of gas and the gas pressure formula were decided in the surrounding of bore wall firstly , and according to the relation of gas content and gas pressure , the theory calculation formula of gas loss quantity was deduced , and finally , the revision method of original coal gas pressure was brought
摘要首先确定了孔壁周围瓦斯的流动模型及瓦斯压力表达式,进而根据瓦斯含量与瓦斯压力的关系,推导出了瓦斯损失量的理论计算公式,最后提出了瓦斯压力的修正方法。 - Then i discussed methane desorption properties including cbm - bearing saturation , critical desorption pressure , the ratio between critical desorption pressure and original coal reservoirs pressure and difference of terra decompression ; cbm - bearing characteristics of coal seams including measured / academic cbm - bearing content , coalbed methane resources content and cbm resources abundance , etc . the author respectively gave a brief account of the basic characteristics of ancient and today ' s geothermic field at 1000m and 2000m depth , coal measure strata pressure field at the depth less than 1600m , structural stress field from jurassic to present , and ancient and today ' s fluid potential field ( that is water potential and gas potential distributing in coal measure strata )
分别简述了准噶尔盆地1000m及2000m深度今古地温场、 1600m以浅的煤系地层压力场、侏罗纪至今地应力场及煤系地层水势与气势分布的今古流体势场基本特征,进而对这“四场”特征及其互动关系与煤储层物性、可采性及煤层气聚集的关系进行了探讨。从构造背景、构造演化及构造类型几方面论述了本区构造作用的控气特征。