West of Australia's Great Dividing Range, a cluster of giant black gashes marks one of the country's biggest coal mines.
澳大利亚大分水岭的西面，有很多巨大的黑色深沟，这里是该国最大的煤炭产地。
Although Mr Dlamini will not have operational oversight of the mining businesses in South Africa, which range from platinum to coal, he will have a seat on the group’s executive committee in London.
尽管Dlamini先生对于南非矿业生意（从白金到煤炭）上没有什么战略全局上的把握，但他仍将在伦敦集团执行委员会任职。
We will carry out a full range of key energy-saving projects, including upgrading of low-efficiency coal-fired industrial boilers and furnaces and combined heat and power facilities.
全面实施低效燃煤工业锅炉（窑炉）改造、区域热电联产等重点节能工程。
The efficiency of a coal-fired thermal plant is typically in the range of 30%-35%. In a combined cycle gas turbine system running on natural gas, the maximum efficiency is in the range 45%-50%.
烧煤的热电厂的效率通常在30%到50%之间，使用天然气的联合循环燃气轮机系统最大效率在45%到50%之间，而很多专家认为高温燃料电池的效率可达到80%至85%。
Gas and electric ranges have replaced the coal and wood range.
煤气灶和电灶已取代了燃煤和木柴的炉灶。
There is a wide range of energy sources: coal, oil, natural gases, water power, nuclear power and so on.
能源的范围很广，有煤、石油、天然气、水力、核能等等。
There is a wide range of energy sources, coal, oil, natural gases, water power, nuclear power and so on.
能源的范围很广，有煤、石油、天然气、水力、核能等等。
This paper analysis a variety of ventilating systems adopted in the coal face in mining coal of our country by using the method of statistics and compares their advantages and the range available.
本文用统计分析法介绍和分析了我国煤炭开采中，采煤工作面采用的各种通风系统并对比其优点和适用范围。
Considering its rich resources and utilization range, people find lean coal has excellent economic benefit.
同时根据贫煤的资源量和使用范围，使用贫煤具有良好的经济效益。
The change of coal thickness caused by geological structure is nonlinear and revulsion, but in a certain range, the mathematical expectation of coal thickness distribution is a fixed value.
由构造引起的煤厚变化具有非线性特征和突变性，但在一定的范围内，煤厚分布的数学期望为一个固定值。
The paper determines the rational range of a new spiral rotary drum's rotation speed through theoretically analyzing the critical speed of the drum in a coal machine.
通过对采煤机新型变升角螺旋滚筒极限转速的理论分析，确定了该种新型螺旋滚筒转速的合理范围。
On-the-spot investigation was made on the basic parameters of gas drainage in drivage roadway in Huainan Coal Mining Area, and reasonable arrangement range of rib bore-holes an...
现场考察了淮南矿区掘进巷道瓦斯排放的基本参数，确定了巷帮钻孔的有效布置范围和合理抽放时间。
For comparison, the average US coal power plant delivers 667 megawatts, and the Three Gorges Dam delivers somewhere in the 22,000 megawatts range.
对比一下，美国煤炭发电厂平均发电量为667兆瓦，而三峡大坝的供电量在22,000兆瓦左右。
Through utilizing hydraulic brake system, control acceleration of braking in reasonable range, making brake steady and no coal slip.
通过选用液力制动系统控制制动减速度在合理范围内，使制动平稳，无滚料现象发生。
There may be existed an optimal coal-char size range that makes abundant porosity and bigger pore specific areas to enhance the gasification reaction.
实验中发现在一定的气化工况下，煤焦存在一个合适的颗粒尺寸范围，能形成比较大的孔比表面积和孔容积，有利于增强煤焦的气化反应。
Analyzed the coal dust samples we collected, mensurated the minimum ignition temperature of coal dust layer and coal dust cloud in different diameter range.
对所采集煤尘样品进行实验分析，测定了不同粒径范围下煤尘层和煤尘云的最低着火温度。
An ultrasonic detector for wall rock crack is introduced which is able to detect coal mine underground wall rock looseness range and cracks.
介绍了一种超声波围岩裂隙探测仪，可用于探测煤矿井下围岩松动范围及裂隙情况。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通过扩大钻孔的直径，从而达到增加钻孔的煤层暴露面积和卸压范围，增大钻孔抽排瓦斯量，提高钻孔的抽排效果。
A coal system can be divided into substance source subsystem, accumulation subsystem and metamorphism system in temporal range.
含煤系统在时间上可以分为物质来源子系统、物质堆积子系统、埋藏变质子系统。
On the whole, the combustion efficiency of the coal powder with additives increases by 20%; meanwhile, the range analysis and variance analysis are used with the experimental data.
总体上，混有添加剂煤粉的燃烧率相对于未添加任何物质的基准试样煤粉提高了20%左右，并对试验结果进行了极差和方差分析。
On the basis of model's results, effects in top-coal smash, and changes of peak value of abutment pressure within mining range are analyzed.
根据模拟结果，分析了开采范围内支承压力峰值的变化及对顶煤破碎的影响。
A wide range of experts, liberal and conservative, agree that imposing a carbon tax on gasoline, coal and other sources of fuel would be the simplest and most efficient way to reduce carbon emissions.
各种各样的专家，自由党的和保守党的，同意对汽油、煤炭和其他燃料资源征收碳税，这将是最简单和最有效的减少碳的排放量的方法。
This paper discusses a range of fully mechanized coal face to face through the long range, as well as increase its production line to install the system and procedure of implementation.
论述了不等长综采工作面通过不等长面对接，以及增加与其相适应的生产安装系统和实施办法。
The study shows that Power Coal Ash concrete has a vast range in large volume concrete and House building.
研究表明，它在大体积工程及房建工程等方面有着广阔的应用前景。
BBD Ball mill is a widely used milling device in power plant system. It has the advantages of low energy consumption, high efficiency, widely range of grinding coal, and so on.
双进双出磨煤机是在电厂系统中广泛应用的一种制粉设备，它具有能耗低、生产效率高、研磨煤种范围广等优点。
The experimental results show that the system has steady performance, high sensitivity, wide measurement range, good repeatability, thus it is fit for detecting methane gas in coal mine underground.
实验结果表明系统性能较为稳定，灵敏度较高，测量范围宽，重复性较好，适用于煤矿井下瓦斯检测。
The results indicate that there exists a suitable range of gasification temperature, air to coal ratio and steam to coal ratio for air-blown fluidized bed gasifier.
结果表明，流化床煤部分气化炉内存在较佳气化温度，汽煤比和空煤比区域。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
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