查询词典 coal

As a result, we should solve the problem of handling and using of coal gangues, which is an important issue for coal mines to develop circular economy and achieve sustainable development.

因此，我们应解决煤矸石的处理和利用问题，这也是煤矿发展循环经济，实现可持续发展的重要课题。

Coal enterprises; circular economy; coal gangues; comprehensive utilization; economic benefits

煤炭企业；循环经济；煤矸石；综合利用；经济效益

It is important in the production of coal mine that preparation of gangue from lump coal. At present, large gangues are usually selected by hand.

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。

It is proposed that in the face of the increasingly severe regulations for environment protection,they were able to reinforce the investment and combined investigations with the relative organizations in the conversion and cleaning technologies of coals, concentration and conversion of coal seam gas, coarse and deep processing of coal gangues so as to enhance...

提出要主动应对日益严格的环境法规，煤炭行业可通过加强煤转化、洁净煤技术、煤层瓦斯纯化和转化、煤矸石粗放与深度加工等方面的投入和联合研究，来提高燃煤产品质量，扩大煤的燃料和非燃料应用领域，降低煤开采综合成本，从而改善整个煤炭行业的经济效益。

One of the methods to make possible the reclamation of coal-based products today is to turn coal into gas and coke .

今天，可能回收煤的副产品的方法之一是把煤变为煤气和焦碳。行销全球的可乐。

The developmental and variable rules of heat value for coal gas of underground gasification without shaft style in steep coal seam is described.

指出了急倾斜煤层无井式地下气化煤气热值的发展变化规律。

The developmental and variable rules of heat value for coal gas of underground gasification without shaft style in steep coal seam is described.

笔者与江苏煤炭工业公司合作，在徐州马庄煤矿进行了煤炭地下气化试验，研究了急倾斜煤层无井式地下气化的技术工艺，取得了比较满意的效果。

It indicates that the molecule of petroleum coke contains larger amount of ringed structures and much less side-chain than coal by analysis of the tar and gas from petroleum coke pyrolysis and coal.

分析了石油焦热解气体成分，并把它与几种煤的热解气体成分进行比较，从微观角度预示了石油焦分子主要为环状结构，并且所带的侧链较少。

An introduction is given to their importance in increasing the gasification intensity of coal gasifiers and reducing coal consumption.

介绍了它们对提高煤气炉的气化强度和降低煤耗的重要性。

In SDCLP, two coal gasifiers were used to provide hydrogen required for direct coal liquefaction and downstream oil hydrogenation processes.

阐述了神华煤炭直接液化项目的氢气需求和为提高氢气利用率采取的措施。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。