查询词典 coal mine

At last, the rational piling up measure and repairing measure of coal dump are bringed forward.

最后提出了山区矸石山灾害的整治和预防措施

Due to the area of coal dump site is very large in china, which results the expense and the timeperiod would be very long, as a result, this paper uses the calculated simulation method regardingthis problem.

由于在中国煤炭堆场的区域较大，采用风洞试验的方法研究防风网的抑尘效果所需费用及周期将会很大，本文拟采用数值模拟方法对此问题进行研究。

The truck dump ed the coal on the ground.

这卡车将煤卸到地上。

A worker rests after searching for usable coal at a cinder dump site in Changzhi, Shanxi province.

在山西长治，一名正在煤堆上休息的矿工。

The rainfall infiltration theory of coal waste dump is analysed, the process of rainfall infiltration and its influence factor are introduced particularly at the same.

分析了矸石山降雨入渗的基本理论，详细介绍了降雨入渗的过程，以及矸石山降雨入渗过程的影响因素。

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.

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 dustproof for the coal dump site under the natural wind condition has been widelyused in Japan, Canada and China, which indicates that the windproof net technology is feasible inthe technology.

目前国内外的防风网技术发展日趋成熟，在日本、加拿大和中国对煤炭堆场在自然风状态下的防尘、抑尘方面已广泛使用。

Water dynamics of the 280 coal gangue dump s in Yangquan City, Shanxi Province was preliminarily studied by the analyses of physical properties, water infiltration characteristics, and water content of the weathered gangue.

以山西省阳泉市280煤矸石山为研究对象，通过对煤矸石物理性质、水分入渗特性和水分含量的分析，初步研究了煤矸石山风化堆积物水分的动态特征。

This paper made the value simulation about the flow filed around the net and non-net dumpsite, referring to dusting pattern to establish he source strong simulation pattern of material pilesraising the dust to discharge in the coal dump site that the US environmental protection bureauRecommended.

本文使用标准κ-ε模型对有网堆场周围的流场和无网堆场周围的流场进行了数值模拟，参考美国环境保护局推荐煤堆场起尘模式建立料堆扬尘排放源强模拟模式，给出了不同开孔率的防风网对静态煤堆场的抑尘率，为防风网的设置提供技术参数。

His face and hands were covered with grim of coal dust.

他的脸和双手都沾满了煤炭的污垢。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48