查询词典 pit coal

China should make use of resouce distribution function of public finance, study the foundation of compensation policy of coal resource exploitation, to resolve the problems of enterprises' cost socialization and internal cost externalization in resource exploitation, perfect the market distribution mechanism of coal resource, urge enterprises to apply measures of saving energy and decreasing consumption, lead and encourage the whole society to abstemiously use coal resource, realize the reasonabe expoilatation and using of Chinese coal resource.

应利用公共财政资源配置职能，研究建立煤炭资源开发的补偿政策和措施，解决资源开发中长期存在的企业成本社会化、内部成本外部化问题，完善煤炭资源市场配置机制，促使企业采取措施节能降耗，引导和鼓励全社会节约使用煤炭资源，促使我国煤炭资源合理开发利用。

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.

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。

In the process of pulverized coal injection into blast furnace, the blowpipe plays an important role in pre mixing the pulverized coal and oxygen, pre heating them and improving the pulverized coal pyrolization and combustion of the coal.

在高炉富氧喷煤过程中，直吹管使喷入的煤粉与氧气预混、预热，并促使煤粉的热解和部分煤的燃烧。

In order to prevent and reduce coal mine coal bunker channeling the warehouse equipment damage, casualties, Roadway congestion and impact production, and other hazards, for the design of a reciprocating coal channeling anti-aircraft positions devices, for the coal bunker channeling warehouse control provides a new way.

为了防止和降低煤矿井下煤仓窜仓造成的设备损坏、人员伤亡、阻塞巷道和影响生产等危害，设计了一种用于往复式给煤机的防窜仓装置，从而为煤仓窜仓的防治提供了一个新的途径。

In order to prevent and reduce coal mine coal bunker channeling thewarehouse equipment damage, casualties, Roadway congestion andimpact production, and other hazards, for the design of areciprocating coal channeling anti-aircraft positions devices, forthe coal bunker channeling warehouse control provides a new way.

为了防止和降低煤矿井下煤仓窜仓造成的设备损坏、人员伤亡、阻塞巷道和影响生产等危害，设计了一种用于往复式给煤机的防窜仓装置，从而为煤仓窜仓的防治提供了一个新的途径。

It uses two normal-pressure fluidized beds and makes the material circulate between the two beds, the fluidized bed boiler produces steam and the fluidized bed coal cracking furnace is used for pyrolyzing coal powder to produce meidum caloricity coal gas; the heat quantity needed for coal pyrolysis is provided by hot ash acted as heat carrier.

流化床煤气－蒸汽联产工艺及装置，它采用两个常压流化床，使物料在两床之间循环，流化床锅炉产生蒸汽，流化床煤裂解炉用来热解粉煤，产生中热值煤气；热灰作为热载体提供煤热解所需的热量。

9 kinds of metal oxides are selected, after 0.5%, 1%, 3% and 5% of them based on dry coal quantity are blended into Masteel coal blend, Luling coal and Gujiao coal to carbonize into crucible coke, coke micro strength, structural strength and coke reactivity are measured.

摘 要：选取9种金属氧化物按干煤量0.5%、1%、3%、5%添加到马钢配煤、芦岭煤、古交煤中炼成坩埚焦后，测定焦炭的显微强度、结构强度、焦炭反应性。

Xiucheng Coal Mine:Coal mining hit area is 16 sqm,coal mining reserves is 6 million tons,it is a kind of gas rich coal with 6580 c/g.and it belongs to a kind of industrial coak.

休城煤矿：矿井面积16平方公里，可采储量6432万吨，煤制裁为气肥煤，发热量为6580卡/克，属优质配焦工业煤。

The vast majority of China's coal mine gas, gas production in coal mine accident was the worst natural disaster in one of the accurate determination of coal seam gas pressure on the mine to the development of effective and reasonable gas control measures, forecasting coal and gas outburst danger , and are of great significance.

我国煤矿绝大多数是瓦斯矿井，瓦斯事故是煤矿生产中最严重的自然灾害之一，准确的测定煤层瓦斯压力对矿井有效而合理地制定瓦斯防治措施、预测预报煤与瓦斯突出的危险性，都具有重要的意义。

The paper first constructs the relating technology framework between coal low temperature self-heating thermal properties parameters and spontaneous combustion, by means of testing on coal samples of diffusibility relative to oxygen, gas-producing simulation in self-ignition process, adiabatic oxidation process, coal spontaneous combustion processing simulation, coal basic physical and chemical parameters, thermal analysis by differential scanning calorimeter , differential thermal analyzer , Thermogravimeter .

通过对试验煤样进行煤对氧的扩散特性试验、煤自然发火过程中气体产物模拟实验、DSC差示扫描量热热分析测试、DTA与TG热分析测试、煤自然发火绝热氧化过程试验、煤自然发火过程模拟试验、煤基础物理化学参数测试的试验研究，就煤对氧的扩散与吸附特性、煤自燃氧化过程中的热力特性与气体产物特性及其与煤自然发火过程之间的相关特性进行了较系统的研究，初步建立了煤低温氧化自热热物理特性参数与煤自然发火之间相关联的技术内涵。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。