查询词典 coal

It is the first example in Yixin Coal Mine on how to use side anchor rope to construct coal mine depot,which has a reference for the similar situation.

介绍了在破碎岩体中施工立眼煤仓，采用锚网喷、钢带、锚索、钢筋混凝土联合支护的应用，立眼煤仓施工中使用帮锚索，在益新煤矿还是首例。

In this essay, the main defects and their causes of the old type coal drill,which were adopted in coal mine, are analyzed, and the new ideas used in the de-sign of the modern type SD-12 are discussed.

本文分析了过去矿山所使用的旧型煤电钻所存在的主要缺陷及原因，阐述了SD-12型手持式煤电钻电机设计的特点。

The method of drilling by the wind coal drill ,the coal body produces the crack and releases gas under the conditions of the dynamic pressure function of mining field,then draining gas with drainage facility to govern the local high gas region at working surface are introduced.

介绍了利用风煤钻施工钻孔，在采场动压作用下煤体产生裂隙释放瓦斯，然后利用抽排设施抽放瓦斯，治理采面局部高瓦斯区域的方法。

By the measures such as measuring the risk tendency of underground pressure eruption, evaluating risk index of underground pressure eruption, observing electromagnetic radiation, water injection in coal seam, long drill hole blasting, roof broken in gob area etc., realized safe coal production.

近年来鹤岗矿业集团公司的南部5个煤矿相继发生冲击地压现象，且造成不同程度的财产损失，通过采用冲击危险倾向性测试、冲击危险指数评估、电磁辐射观测方法，采用煤体注水、深孔爆破、采空区断顶等解危手段，实现了煤矿的安全生产。

The company's main products: mining accessories, coal conveyor accessories, various models clip bolt, Road plywood, screws, and the severity of Road tracks, clips Road, Road from the machine, turn machines, pressure-rail, coal drill pipe, Bits, tramcar, mining wheel, gauge drawbars, space launches, and round.

本公司的主导产品：工矿配件、煤矿输送配件、各种型号道钉、道夹板、道螺丝、轻重型道轨、道压板、起道机、弯道机、压轨器、煤钻杆、钻头、矿车、矿车轮、轨距拉杆、天轮、地轮。

According to the situation of plants scarce on soil refuse dump of coal mine,and extremely slow native settlement process of vegetation and ecosystems,soil and the coal-fly-ash have been analysed for the physical and chemical nature.

针对煤矿排土场上植物稀少、植被的自然定居和生态系统的原生演替过程极其缓慢的现状，采用实验分析的方法，初步探索了排土场土壤和粉煤灰的理化性质。

Before midnight, including the custom in the Dec. 31 clean rooms in an era of widespread burning coal, burning of coal ash dump was also there is a superstition that must be in before the clock struck midnight to clear all debts.

午夜之前的习俗包括在12月31日打扫房间在普遍烧煤的时代，倾倒烧尽的煤灰另外还存在一种迷信，就是必须在午夜钟声敲响之前清偿所有的债务。

In this paper, borrowing ideas from the research method of the spontaneous combustion mathematical model of goaf, applying to the hydrodynamic theory of porous medium, the spontaneous combustion mathematical model of coal gangue dump is set up. From the mathematics, the dynamic evolvement process is described for the spontaneous combustion of coal gangue dump.

本文借鉴了采空区自然发火数学模型的研究方法，以多孔介质流体动力学理论为指导，建立了煤矸石山自然发火数学模型，从数学上描述了矸石山自燃的动态演变过程，为自燃矸石山的防治措施提供了理论依据。

The effective approach to lessen the pollution of coal gangue piles and improve the eco-environment of mining area is the greening of coal gangue dump.

矸石山绿化是减少矸石山污染，改善矿区生态环境的有效途径。

It took me a whole afternoon to make this coal dust into coal cakes.

我用了一下午的时间把煤末做成了这些煤饼。

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。