查询词典 coal mine

In accordance with the case of large mining depth in Xingdong coal mine, study on coal floor strata failure depth test of working face 2121 was carried out by water injection test. According to variation of unit injection quantity and distance between testing boreholes and working face advance, coal floor strata failure depth was determined by continual water injection and intermitted monitoring.

摘要： 针对邢东矿大采深的情况，利用现场底板注水试验对2121工作面底板采动破坏深度进行了测试研究，依据单位注水量的动态变化以及注水孔与采线之间的距离关系，确定了底板破坏深度。

The coal mining method of oblique sublevel concentration as a new technology hasnt been very perfect in China until now, so we set up three-dimensional finite element model of this kind of mining method novelly based on Datai coal mine of Beijing Coal Group as an example using Ansys software.

俯伪斜分段密集采煤法，作为一种较新的采煤方法，在我国技术上还不很成熟，因此，首次针对京煤集团木城涧矿大台井的地质条件和赋煤状况，通过简化建立三维立体有限元模型，模拟计算了该矿煤层顶底板在开采前后运动变化情况。

In order to solve the safe mining question of the coal seam unmined which is in the second level in Xiaonan coal mine, took the No. 14 coal seam as an example and analysed the geologic agent systematically which influence the gas hosting.

为了解决晓南矿二水平未开采煤层的安全开采问题，以14号煤层为例，系统地分析了影响瓦斯赋存的地质因素。

The study of gas content and influencing factor of the coal seam unmined is an important fundamental research. We take the 14(superscript #) coal seam of Xiaonan coal mine of Tiefa basin as an example and analyse the geologic agent systematically which influences the gas content.

未开采煤层瓦斯含量及影响因素研究，是煤矿安全生产的重要基础研究工作，以铁法盆地晓南矿未开采的14煤层为例，系统分析了影响瓦斯含量的地质因素。

The thesis still combines the example that full-automatic coal ploughs from Germany are successfully used in Xiao Nan coal mine, talks about the application and management of coal plough under normal and special producing conditions.

论文还结合德国进口全自动化刨煤机在晓南矿成功应用的实例论及了刨煤机在正常生产及特殊条件下的应用和管理。

In the light of the Characteristics of high gas content in underground coal body,coal disenthralling the gas and gas accumulating in Sihe Coal Mine,this paper introduces KJ99 gas monitoring and controlling system ,and analyzes on the application effect of KJ99 gas monitoring and controlling system .

针对寺河矿井下煤体瓦斯含量高、煤炭释放瓦斯及瓦斯积聚的特点，介绍了KJ99瓦斯监测监控系统，分析了KJ99瓦斯监测监控系统的应用效果。

In the light of the fragmentized coal body in 2315 comprehensive mechanical coal mining face of Chengzhuang Coal Mine, this paper applies the grouting solidifying technology with Malisan N to solve successfully the difficulties existing in the ceiling management in the stoping process.

对成庄矿2315综放工作面中的破碎煤体应用马丽散N注浆固化技术，成功解决了回采过程中顶板管理存在的一系列困难。

Reporting requirements, the province of the coal to the city government to plan ahead,"Eleventh Five-Year" two years after the closure of small coal mines planning, strict enforcement of the Heilongjiang provincial government recently put forward the exploitation of a resource block of coal mine overlap may not be approved by its single well expanding storage extension, and effectively shut down efforts to increase.

通报要求，该省各产煤地市政府要超前谋划&十一五&后两年小煤矿关闭规划，严格执行黑龙江省政府最近提出的开采一个资源块段的煤层重叠矿井不得批准其单井扩储改扩建，切实加大关闭力度。

The images of coal mine's conveyer belt are sampled by image manipulation system, and using one dimension wavelet , the eigenvectors of "coal flow","conveyer","background" are depicted, in the last, with BP neural network classing function, the width of the coal flow is estimated.

根据图像采集系统实时采集的煤矿井下带式输送机煤流图像，利用一维小波分析方法求出描述图像煤流、胶带和背景的特征参数，通过BP网络进行目标分类，进而判别煤流边界，以求出煤流大小。

Based on the briquets of the outburst coal seam of typical coal and gas outburst mine of Datong in Songzao Coal and Electricity Company, by means of self-developed triaxial gas-seepage experimental device, the experimental research of permeability of gas-bearing briquets in the complete stress-strain process is performed.

利用典型煤与瓦斯突出矿井松藻煤电集团打通一矿突出煤层原煤制备型煤试件，应用自行研制的含瓦斯煤样三轴瓦斯渗流试验装置，进行含瓦斯型煤试件的全应力－应变过程瓦斯渗透特性变化规律的试验研究。

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