查询词典 coal

A new idea is brought forward to study coal chemical group composition by the coal unfreezing technology.

综述了煤可溶化技术研究的现状，讨论了影响煤可溶化的主要因素以及几种强化方法，指出了今后应作深入研究的几个方面，并提出了利用煤的可溶化技术进行煤的化学族组成研究的设想。

It can be seen that mercury contents in sulfides of the density fractions are different from each other in the same coal, which implied that mercury is distributed in sulfide unhomogeneously. The reasons of the unhomogeneity of mercury distribution in sulfide may be that mercury exist in sulfide in form of submicrometer size individual mineral such as cinnabar, and not in form of solid solution in pyrite, or that in coal, there are multi-stage and multi-origin sulfides among which the distribution and modes of mercury are different from each other.

这种差异性说明煤中黄铁矿中汞的分布是不均匀的，这表明：汞在黄铁矿中可能不是以固溶体形式存在，而可能是以细小的呈机械包裹物的独立矿物形式赋存于黄铁矿中；或者煤中存在多期、多成因的黄铁矿，不同期次成因的黄铁矿间汞的分布和赋存状态具有差异性。

Article 9 Coal production licenses shall be made unitarily by the department in charge of coal industry of the State Council.

第九条煤炭生产许可证由国务院煤炭工业主管部门统一印制，其他任何单位和个人不得擅自印制。

Ashes of the coals with different ages and coal ranks from different localities of Guangxi were analysed for their rare-earth elements. The chondrite-normalized diagram of unmetamorphosed coal shows a v-shaped curve inclining towards the right.

广西不同产地、不同时代、不同煤种的煤灰稀土元素分析结果表明，未变质煤的球粒陨石标准化图呈右倾斜&V&型曲线，北美页岩标准化图呈近水平直线，煤中稀土元素没有发生分离和迁移。

As the potential technique to reduce greenhouse effect, geological sequestration of CO2 in deep unminable coal seams is competent for storage of CO2 released during the forthcoming 26 to 46 years in China, especially in those coal energy bases in North China.

在我国，深部不可开采煤层处置CO2显示了巨大的潜力，可以处置26~46年的CO2排放量，尤其在华北煤炭能源基地具有良好的应用前景。

Thus, CO2 can be sequestrated in the deep unminable coal seams which enhance coalbed methane production of the deep unminable coal seams synchronously.

由于煤介质具有特殊的双重孔隙结构、吸附性强等物性特征，对CO2具有很强的吸附能力，且大于煤介质吸附CH4的能力，因此，可将CO2注入深部不可开采煤层储存，在长久处置CO2的同时亦可促进深部煤层气的开采。

The reason is that in the whole energy conversion process, the unput of energy consists of net only the feed coal, but also the fuel coal to produce stam and the electric power to drive the air blowe and t...

因此 ，为了能更科学、合理地反映该工艺的煤炭利用效率，本文建议采用针对整个气化工艺系统的气化过程总效率作为评价指标。同时，利用新、老指标对该工艺进行了初步的分析和评价。

Based on the principles of stepped firing in recirculation zones, several new type straightjet and revolving-pour burners are designed and manufactured which used for different power boilers and industral furnaces with combustion of pulverized coal, poor-gas or fuel-oil. The burners are tested and improved in practice and good results are finally achieced in variant degrees including strenthening flame stability, adapting to boiler capacities and rank of coal, raising combustion and heat transfer efficiency, and lowering the temperature of weste gas at the boiler tail.

应用回流区分级着火原理，设计和制造了几种不同结构型式的直流、旋流新型燃烧器，用于燃煤粉、煤气、油雾的不同类型的锅炉和工业炉，在实践中进行试验和改进，最终都在不同程度上取得了强化稳定燃烧、适应负荷和燃料品质变化、提高燃烧和传热效率、降低炉尾烟温的好效果。

By analyzing the double meaning of the effect mechanism of water on the oxida tion and spontaneous combustion of residual coal in goaf, and through investigat ion of the results both in laboratory and field practice, it is confirmed that w ater pouring, which is suggested by authors, is a new, economic, efficient and e asytooperate measure for controlling the spontaneous combustion of the resid ua l coal in goaf.

通过对水在采空区遗煤氧化及自燃的作用机理两重性的分析以及实验室试验与现场应用实际效果研究，证实了笔者提出的清水灌注措施是一种新的、经济有效的、操作简便的防治采空区遗煤自燃的技术措施。

The delivery man used to take the lid off our coal hole and simply tip the coal in.

送货员过去总是把我们煤窖的盖子打开，把煤一下倒进去。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"