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- preparation of coal samples 煤样设备
- Methods of Lost Gas Calculation of Coal Sample? 煤样逸散气量的求取方法?
- 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。
- This paper researches the fractal of the scanning electron micrograph of coal samples by Discrete Fractal Brownian Increment Random Field(DFBIR). 本文采用离散分形布朗增量随机场(DFBIR)模型对煤样微观结构的显微图像做了分形定量研究。
- This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurrying ability of coal on adding petroleum pitch. 主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。
- It is important in the production of coal mine that preparation of gangue from lump coal. 矸石分选是煤矿生产的重要环节,即在煤块中将矸石挑选出来。
- To be examined the quality variation of the oxidated coal, two kinds of coal samples, blind coal and bituminous coal, were selected and heated in a series of temperature environments. 摘要为探讨煤在氧化后发生的性质变化,选取无烟煤和烟煤2种煤样,在不同的温度下进行加热。
- Preparation of dossiers, samples & legal documents. 注册资料文件,样品和法律文件的整理,
- Some results could be got through the qualitative analysis of coal structure.Such as the infrared spectrograms of coal samples from the same coal seam have the approximate consistent shape. 通过对乌达烟煤微观结构的定性分析得出:同一煤层煤样的红外光谱图其峰形基本一致,只是峰强不同;
- Abstract: This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurrying ability of coal on adding petroleum pitch. 文摘:主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。
- The spontaneous combustion characteristics of coal were researched by accelerating rate calorimetry (ARC).This method contains several features, such as Small coal samples and short experimental time. 摘要利用加速量热法研究煤炭自燃特性,所用煤样量少、实验时间短。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- The techniques and pricinple preparation of pre-polymer with high-content mesophase, have been researched into through conversion rules of coal tar component and microstructure. 通过跟踪反应过程样品族组成及显微结构变化,探究软沥青热转化制备高含量中间相预聚体工艺及机理。
- Glycerol or a preparation of glycerol. 甘油,丙三醇甘油或丙三醇配制品
- On the basis of different lithotype of coal and coal samples analysis, the ability for hydro-carbon generating and pie-cursor of bright type coal are better than that of dull type coal. 镜质组含量与生烃潜量具有明显的正相关关系,煤中丰富的镜质组是主要的成烃母质。不同煤岩成分和类型的研究结果表明,亮型煤生烃性能最好,母质最优;暗型煤生烃性能及母质较差。
- The carbon isotope fractionation effect of samples from Jincheng is more apparent than that from Changji, which is mainly attribute to the different pore structure of coal samples. 晋城地区煤样解吸气体的同位素分馏效果比昌吉地区的明显,孔隙结构差异是一个主要影响因素。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- Years of work have gone into the preparation of this dictionary. 这部词典的筹备工作已进行了多年。
- In order to guarantee the representation of coal samples,in the process of coal sampling,operation behavior should be normalized. 为了保证煤炭样品的代表性,在煤样采制过程中,必须规范操作行为。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。