查询词典 coal-black

In order to understand the properties of impact toughness of coal with different impact speeds and the change of impact toughness of lump coal to joint directivity of lump coal.

为了研究不同冲击速度条件下块煤冲击韧度的变化特征，以及块煤节理方向性对块煤冲击韧度的变化特性。

This paper gives a detailed analysis on the influences of the coal mining on geology, water resources, atmosphere, entironment aspect and so on, puts forward all kinds of environmental problems existing in the coal mine exploitation in Weixin county, and then proposes relevant scientific foundation to the countermeasure of researching the coal mining in Weixin county.

本文分别从煤炭开采对地质、水资源、大气、生态环境等多个方面的影响作了详细的分析，提出了威信县煤矿开采中存在的各种环境问题，为威信县煤矿开采对策研究提供相应的科学依据。

The combustibility of Funchen tinpot coal and catalytic combustion kinetics of this coal doped with 5% the rare earth coal-burning additive were studied by thermogravimetric experiment at air atmosphere.

用热重分析法研究了江西丰城劣质燃煤的燃烧特性和稀土助燃添加剂对该煤燃烧催化的动力学。

Xiaoping Yi Shuozhou City Township is located in the suburbs east and north China's largest coal-fired power plants Shentou power plant adjacent to the west and Coal Industry Corporation Pingshuo open-phase, has a wealth of coal, building materials resources, fertile land resources, sufficient labor resources, convenient traffic conditions, quite a solid technical strength and broad commodity markets.

小平易乡地处朔州市近郊，东与华北最大的火力发电厂神头电厂毗邻，西与平朔露天煤炭工业公司相接，具有丰富的煤炭、建材资源，肥沃的土地资源，充裕的劳动力资源，便利的交通条件，比较雄厚的技术力量和广阔的商品市场。

Company covers an area of 80 acres, mainly the production of high quality coal and related materials in the coal, in coal, peat and other products.

公司占地面积80亩，主要生产优质精煤及副产品中煤炭、中煤、泥煤等产品。

We optimizated three better combinations, peat :coal dreg(volume ratio 1:1),perlite : coal dreg (1:1)and perlite :sand: coal dreg1:1:1

利用加权平均数的评价，筛选出三个较好的盆栽草莓基质配方：草炭：煤渣(体积比1：1)，珍珠岩：煤渣(1：1)和珍珠岩：河沙：煤渣(1：1：1)。

Taking into account the coal company's future growth and profitability, coal plate reasonable current valuation levels, some coal shares a certain degree of underestimation.

考虑到煤炭公司未来增长和盈利能力，煤炭板块目前的估值水平合理，一些煤矿股份，一定程度的低估。

Optimized BP network model for predicting igniting temperature of pulverized-coal based on genetic algorithm;2. A review and elementary discussion of powder and pulverized-coal charge;3. Paper discussed flame ignition stabilization analysis of N125MW direct current burner in pulverized-coal boilers of solid state discharge.

以N125MW直流燃烧器固态排渣煤粉炉燃烧着火稳定性为研究对象，根据煤粉气流着火方式以及对影响煤粉气流着火因素的分析，提出提高煤粉气流着火稳定性以及低负荷燃烧不投油的控制措施，从而保证了煤粉的稳定着火，以保证锅炉安全稳定运行。

C blowing air into solution according to a certain flow rate by means of aeration mode, oxidating and breaking sulfocarbon bond, removing organic sulfur from coal, finally filtering treated coal sample and recovering alkaline solution and using it to treat the subsequent coal sample.

本发明在碱性溶液条件催化下，采用低温空气氧化的方法可以高效脱除煤中的有机硫，同时对无机硫的脱除也取得了比较好的处理效果，处理条件温和、处理费用低，同时不会对环境形成二次污染。

To further optimalize technical process of coal preparation plant,enhance automation control degree,Guhanshan Coal Mine Coal Preparation Plant combine PLCcontrol technology with production's request and characteristic of actual technique.According to these methods,continuous working of many equipment can be controlled automatically,operating personnel quantity and labor intensity also can be reduced,product quality question and safety incident caused by personnel,equipment operation...

为了进一步优化选煤厂工艺流程，提高自动化控制程度，采用PLC控制技术与实际生产工艺的要求和特点相结合的方式，实现了自动化控制多台设备连续性作业，降低了作业人员数量和劳动强度，有效减少了人员、设备操作等因素造成的产品质量问题和安全事故，提高了生产工艺中高精度控制的准确性。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷