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- 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。
- The higher the content of inertinite in coal samples, the higher the CO2-reactivity of gasification. 总的来看,煤中的惰质组含量高,有利于煤焦的气化反应,当煤中的镜质组含量处在某一范围内,煤焦的C仇反应性很差。
- It is found that the relative abundances of dibenzofuran series are higher in the coal samples,but lower in the lacustrine mudstone samples. 研究发现,氧芴系列化合物在煤岩样品中丰度高,在湖相泥岩样品中丰度低。
- 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。
- The damage of six suractants of different kind to permeabilities of 17 coal samples of 2 mines is investigated experimentally. 考察了6种不同类型的表面活性剂对两个矿区17个煤样渗透率的损害。
- Five Late Triassic coal samples collected from Changhebian mine,Chongqing were characterized through a petrographic and geochemical investigation. 运用煤岩学和地球化学的理论和方法,对重庆长河碥矿晚三叠世须家河组煤中微量元素进行了研究。
- Pore diameter in coal samples, its cubage and surface area at different temperatures and mercury press acting on the pores were measured by mercury porosimetry method. 摘要采用压汞法技术定量测定了在不同温度与压力下煤样的孔径、孔容积与煤的表面积的值;
- The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility. 工作面煤样和顶板冲击倾向性测试结果表明,该煤层属于高冲击倾向性煤层,具有发生冲击矿压的能力。
- Pore diameter in coal samples,its cubage and surface area at different temperatures and mercury press acting on the pores were measured by mercury porosimetry method. 采用压汞法技术定量测定了在不同温度与压力下煤样的孔径、孔容积与煤的表面积的值;
- Dr.Finkelman and his colleagues found that quartz, of which silica is the primary component, made up 13.5 percent of the coal samples taken from Xuanwei County. Finkelman博士和他的同事发现:宣威县所产煤的石英(二氧化硅是它的基本成分)含量高达13.;5%25。
- 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。
- Using microwave-heating method, coal samples were digested with sodium pyrophoshatesodium hydroxide and were dispelled with potassium bichromate-sulfuric acid in the closed vessel. 利用微波加热技术,在密闭容器内通过压力浸提、消解试样,能大大加快分析速度。
- 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。
- 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;
- 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。
- 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。
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries