查询词典 nut coal

The Inner Mongolia Daqingshan coalfield have Shuanmazhuang coal measures and Shiguai coal measures,in which G,J and L coal seams in Wudanggou Formation,Shiguai coal measures are major mineable coal seams in the coalfield.

内蒙古大青山煤田包括拴马桩煤系和石拐煤系，其中石拐煤系五当沟组的GJ、、L煤层是大青山煤田主要可采煤层，煤岩组分中镜质组占绝对优势，具有较强的生烃能力。

Afterwards, according to the optimally condition of sinter-roasting between coal and Alumina, emphasis on sinter-roasting process between coal and Bauxite, from reaction coefficient and fixed carbon content in coal and Oxidate content in Bauxite, figure out that coal and Bauxite's mixture ratio which needed in the reaction was 71.85:100, however, at the experiment can found that if to the theoretical calculation result make up the charge, the coal and Bauxite basically can not close-burning.

然后，根据煤和氧化铝的最佳烧结条件，着重对煤和铝土矿的烧结工艺进行了研究，由试验反应配比系数和煤中固定碳的含量以及铝土矿中氧化物的含量，计算出反应所需的煤和铝土矿的配比为71。 85：100，在试验的研究中发现，严格按照理论计算所得的结果进行配料时，物料基本上不烧结。

To No. 20 are respectively black mudstone, black mudstone ( Caitun mining area of Benxi Basin,Paleozoic), dark grey gangue (Caitun mining area of Benxi Basin, Paleozoic), brown shale(Caitun mining area of Benxi Basin, Paleozoic), brown grey shale(The West Opencut Coal Mine of Fushun Basin, Cenozoic), grey silty mudstone(Haizhou Opencut Coal Mine of Fuxin Basin, Mesozoic), black grey gangue(Haizhou Opencut Coal Mine of Fuxin Basin, Mesozoic), grey yellow clay(Jianping County, Chaoyang City, its era to be determined), grey silicon slate( Qianshan Mountain of Anshan City, pre-Paleozoic), grey phyllite(Qianshan Mountain of Anshan City, pre-Paleozoic), granite-gneiss(Qianshan Mountain of Anshan City, pre-Paleozoic), granite(Mount Yiwulu, its era to be determined), diorite(Mount Yiwulu, its era to be determined), black basalt(The West Opencut Coal Mine of Fushun Basin, Cenozoic), dark purple andesite( Mount Guiyunhua of Zhuanghe City, Mesozoic), fragment of brick-tile-pottery-porcelain( from the building site of Panjin City), coal cinder( from the boiler room of Heji Road of Panjin City), cement( from the building site of Panjin City) and slag (from Bohai Stockroom of Liaohe Oilfield produced in Anshan City).

2-20号样品分别是黑色泥岩、黑色泥岩、深灰色煤矸石、褐色页岩、褐灰色油页岩、灰色粉砂质泥岩(阜新海州露天矿、中生代)、黑灰色煤矸石(阜新海州露天矿、中生代)、灰黄色膨润土、灰色硅质板岩、灰色千枚岩、花岗片麻岩、花岗岩、闪长岩、黑色玄武岩、暗紫色安山岩、砖瓦陶瓷碎片、粉煤灰、水泥、矿渣(鞍山产、取自辽河油田渤海库)，这19个样品用来代表工业、采矿、冶炼、建筑等行业产生的固体废弃物。

At last,a preliminary visual 3D model system for coal seam is established based on coal seem 3D model and using OpenGL and Vc~6.0.Currently a part of research results has been applied to Mine Survey Geological Information System(MSGIS3.0),including constrained triangulation of coal bed suface, coal bed scaleboard contours with fault,part encrypt of contours,excellent turn of triangle,space encrypt,any direction profile of coal bed and so on.

论文的部分研究成果已经应用于煤矿地质测量空间信息系统MSGIS3.0中，主要表现为通过煤层底板表面的约束三角剖分，实现了煤层底板等高线的断层处理、等高线的局部加密、三角形优化、空间插值、任意切割煤层剖面等方面。

The main factors of occurrence and development of coal self-ignition is the quantity of heat that is produced by coal spontaneously. Therefore, studying the coal exothermic property is the precondition of mastering the process of coal self-ignition, searching the law for it and developing coal seam fire prediction.

煤自燃的发生和发展最关键因素在于煤自发地产生热量，因此研究自燃煤的放热性是认识煤自燃过程、寻找自燃规律、发展预测预报技术的基础。

Technology of coal of gush of blast furnace double gun solves blast furnace coal effectively to compare current velocity of the coal fines when rising fast, coal fines and sirocco mix inadequate, cause efficiency of combustion of blast furnace coal fines this technique still can reduce low problem; effectively remove dust the carbolic content in ash, energy-saving to the enterprise decrease platoon and clean production to having active sense.

高炉双枪喷煤技术能有效地解决高炉煤比提高时煤粉流速快，煤粉和热风混合不充分，致使高炉煤粉燃烧效率低等新问题；此项技术还能有效降低除尘灰中的碳含量，对企业节能减排和清洁生产有着积极意义。

This paper introduced the application of the coal resource filler after crushing and surface treatment in rubber,which included high sulfur coal,coal gangue stone,fly ash and coal cinder and so on,and the research progress about carbon and silica which were produced by the coal resource wastes.

介绍了高硫煤、煤矸石、粉煤灰和石煤渣等煤炭资源类填充剂经粉碎、表面改性后在橡胶中的应用，以及制备炭黑、白炭黑后应用于橡胶中的进展。

In this thesis, by the means of calefactive oxidation test of coal samples, the characteristics of different samples spontaneous combustion are analyzed; the infrared spectrum is assimilated to review the rule that coal function corps change in the process of coal low-temperature oxidation ; by the means of thermal analysis by differential scanning calorimeter, thermogravimeter, the kinetic function of coal low-temperature oxidation in spontaneous combustion process are analyzed , depend on the device, the mathematical model of coal spontaneous combustion is developed, the model are dealt with, Finally, the temperature field and the velocity field with velocity of the entry flow is got.

论文通过煤的低温氧化和自燃过程，实验研究了煤的低温氧化气体产物特征和变化规律，研究得出了煤的低温氧化过程中气体生成量与氧气消耗量与煤温之间的指数关系式；在煤的低温自热氧化过程中，对煤的官能团等化学结构的变化研究，揭示了煤炭低温自热氧化化学基团变化规律；采用非等温TG和DSC法研究了烟煤低温氧化动力学，得出了煤低温氧化分布活化能及煤低温氧化机理函数的变化规律；建立了煤低温氧化自热数学模型，并对该模型进行数值解算，可得煤样的温度场与速度场随入口风量变化情况。

The results show that the polymer determines the electricity conducting of coal filled polymer composites. The coal filled PP composites is an insulating material, and be independent of coal type, its direct current resistivity is above 10〓Ω·cm. The resistivity drops with the content of coal when using anthracite, but it is also above 10〓Ω·cm, and the surface modification of coal, especially alkylated, resumes the insulance of composites.

X射线衍射测试表明即使在高变质程度下煤中的石墨晶区含量仍较低，煤填充聚合物复合材料电性能主要由基体材料性能决定，通过动电容静电计对煤填充聚丙烯复合材料直流电导性研究表明，煤填充聚丙烯复合材料是绝缘材料，其绝缘电阻在10〓Ω·cm以上，在高含量情况下，仍能保持良好的绝缘性，而与煤种无关。

Mineral fuel is the primary energy source in the world today, thereinto coal resource holds in store more than 75 percent in the total energy source. During coal's utilized, nocuousness matter expels into environment through all kings of method and works serious environmental pollution. Desulphurization has become one of primary objects of cleaning coal. At present, there are some primary problems of removing sulfur from coal. It is the size of coal is too small, the time of removing sulfur is too long, the technology is too complicated and the investment is much expensive etal.

中文题名燃煤微生物预处理浮选脱硫的试验研究副题名外文题名 Study on microbial pretreatment and floatation desulphurization in coal 论文作者周志付导师王英敏魏德洲教授学科专业安全技术及工程研究领域\研究方向学位级别博士学位授予单位东北大学学位授予日期2002 论文页码总数99页关键词燃煤微生物预处理－浮选脱硫煤炭脱硫馆藏号BSLW /2003 /X701 /2 矿物燃料是当今世界的主要能源，其中煤炭资源蕴藏量占总能源的75％以上，在煤的利用过程中，有害物质以各种方式排入周围环境，造成了严重的环境污染，因此脱硫已成为洁净煤技术的主要目标之一，而目前煤中硫的脱除存在的主要问题是：煤粉太细，脱硫时间长、技术复杂，投入费用太高等。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？