lean coal造句

• Anthracite coal blended with lean coal and coking coal powder to prepare excellent quality coke
  无烟煤配入瘦煤和焦粉制备优质型焦
• Technological research on preparation of foundry formed coke from coke powder mixed with meagre and lean coal
  焦粉与贫瘦煤配合制备铸造型焦的工艺研究
• The research showed that for anthracite , lean coal and bituminous , the reaction rate became larger and the ignition activation energy became smaller
  结果表明：从无烟煤、贫煤、烟煤，其反应速率越来越大，着火活化能越来越低。
• A linear regression was conducted and the functional relationship was found , which can afford reference for the security of meager - lean coal ' s industry application
  对实验数据进行线性回归分析，得出影响因素与最低着火温度的函数关系，从而为贫瘦煤工业应用的安全性提供了一定的参考依据。
• Are about 12 billion tons . the main types of coal are coking coal , gas bituminous coal , lean coal and anthracite , etc . xiangning coal field is one of the three biggest metallurgical coal bases of the whole country , with the characteristics of thick bed ,
  首屈一指的煤炭资源，储藏面积1 . 54万平方公里，占总面积的5 % ，总储量960亿吨，探明储量120亿吨，主要煤种有主焦煤气肥煤贫肥煤瘦煤无烟煤等，其中乡宁主焦煤为全国三大主焦煤基地之一，而且煤层厚埋藏浅易开采。
• In view of safety the elementary and industrial analyses of coal samples were conducted , a systematic experiment was performed to investigate the minimum ignition temperature ( mit ) of zhangcun and changcun meager - lean coal in a g - g furnace , and the effect of dust concentration , spray - air pressure and dust particle size on the mit was analyzed
  摘要从工业安全角度出发，对实验煤样进行了元素分析和工业分析，在高德伯儿格格瑞瓦尔德炉中对潞安常村、漳村贫瘦煤的最低着火温度进行了比较全面、系统的实验研究，探讨了煤粉质量浓度、喷吹压力以及粒度对最低着火点的影响。