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- coal sample number 煤样编号
- Methods of Lost Gas Calculation of Coal Sample? 煤样逸散气量的求取方法?
- 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 compared results of different sample methods showed that the m eans of the parallel lines was the best one and the theoretical sample number wa s also determined. 不同抽样方法的比较结果,以平行线法效果最好,并确定了理论抽样数。
- 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。
- In order to improve the class accuracy of small number of samples caused by the imbalance of sample number, weight of sample difference is introduced. 首先为克服由于样本数量不平衡性引起的小样本类别精度差的问题，引入由于样本差异的权重；
- 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 optimum sampling number and estimation scheme of Weibull parameters are proposed. 继续研究了固体催化剂机械强度测试和表征技术。
- 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 theoretical sampling number of Lygus lucortum Meyer-Durs over winter eggs is ascertained by the distribution indices. 并利用分布型参数确定了绿盲蝽越冬卵的理论抽样数。
- The reasonable sampling number in field for SOM is based on the spatial variability of nutrient factor and the required data precision. 草地土壤有机质合理取样数取决于有机质要素自身空间变异程度和人们对数据精度的要求。
- This method can be used to produce superclean coal and to separate ultrafine coal,and the result is fairly good after a number of selective flocculation tests of Datun, Bayi and Dawukou coal samples. 在对大屯、八一、大武口等多个煤样进行大量试验后，得出选择性絮凝方法可用于制取超纯精煤和对极细粒煤泥进行分选，并且具有较好的选择性。
- The reasonable sampling number of grassland soil nutrients should be based on classic statistical characteristics and spatial variability. 草地土壤有机质合理采样数应建立在统计特性和空间结构性基础上。
- It is of great significance to scientifically and reasonably determine the sampling number and frequence of the testing yarn based on its quality dispersion. 根据产品总体离散程度的大小，科学、合理设置抽样数量与检验次数，具有十分重要的意义。
- 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。
