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- Talking about how to reasonably collect commercial coal sample 浅谈如何合理进行商品煤样的采取
- commercial coal sample 商品煤样
- Methods of Lost Gas Calculation of Coal Sample? 煤样逸散气量的求取方法?
- Assuring the precision of commercial coal sampling to improve qualification rate of batch coal inspection 确保商品煤采样精密度提高批煤抽查合格率
- The operation results of commercial coal washery tailings/coal washery rejects co f... 并结合工程实际介绍了洗煤泥、煤矸石流化床混烧技术的应用。
- In this work, measurements of coal swelling and permeability change were conducted on a coal sample from Bulli seam, Australia. 本文测量了一种澳大利亚煤的膨胀率以及相应的渗透率的变化。
- The testing research about enhancing permeability rate by hydraulic cutting seam on outsize coal sample is introduced. 介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
- The mass and the quantity of oxygen physisorption of the coal sample were measured before and after each heating experiment. 在每一次加热前后都测量煤样的质量,以及进行对氧气的物理吸附实验。
- The determined result differences of the caking index of the same coal sample under different test conditions are discussed. 探讨了不同试验条件下同一煤样粘结指数测定结果的差异。
- By tropic analysing logging data and the coal sample gas content analysed in the laborary ,producing the tropic equation. 将测井资料与实验室分析出的煤样瓦斯含量进行回归分析,建立回归方程。
- The agreement between the coalbed coal quality parameters predicted by the interpretation model and those determined by the coal sample laborato... 实际解释结果表明,解释模型估算的煤质参数与煤样实验室分析的煤质参数之间一致性好,解释精度高。
- Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity &time is opened out. 通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
- Aimed at the characteristic of discreteness of the coal sample, pulse-penetrating method is used to measure the acoustic wave speed and the strength test is finished on MTS815. 采用超声脉冲穿透法测量煤样波速并进行岩石力学试验,回归分析得出了煤岩试件声速与其力学参数之间的关系式,为尽可能避免因煤样离散性而带来的盲目试验提供了一条技术途径。
- The analysis indicates that the interior change of coal sample mainly leads to the synchronous and coherent variations of coal mass and oxygen physisorption. 分析表明,煤样内部的氧化变化是导致其质量和吸附氧气量发生同步、一致变化的根本原因。
- The influence of roasting temperature,time,atmosphere and organics in stone coal,percentage of additive (NaCl),particle size of stone coal sample on leaching rate of vanadium are studied. 研究了焙烧对从方山口石煤中提钒的影响。考察了焙烧温度、入炉温度、有机质、添加剂氯化钠用量、焙烧时间、焙烧气氛和矿样粒度对钒浸出率的影响。
- In this pater, large block coal is taken as the experimental coal sample for an experimental study of the relationship of methane pressure varying with time during block coal methane adsorption. 采用大块煤为实验煤样,实验研究了块煤吸附瓦斯过程中瓦斯压力随时间的变化关系。
- At first Reuters dealt with, commercial new. 最初路透社只办商业新闻。
- New York is a big commercial city. 纽约是一座大的商业城市。
- In this paper,the electrical conductivity of coal samples collected from Nantong colliery were studied. 用南桐煤田煤样研究了煤的导电性,并初步探讨了煤的导电性与煤大分子结构的关系。
- The commercial property market is booming. 商业房地产市场日益繁荣。