查询词典 coal-hole

The relationship between the coal cave and the tunnel has been analyzed, and 4 # transmitting water cave has been selected as an example to set up a numerical model. The coal caves in the surrounding rock scope of the tunnel have been treated in two schemes, which were the method of fully treated, and half-length treated.

分析了煤洞与隧洞的空间关系，以4#引水洞为例建立了数值模拟模型，对其围岩范围内的煤洞进行两种处理方案效果比较，全部处理和处理一半长度，得出在30m之内煤洞必须全部处理的结论。

This paper introduces new technology with minor diameter resin grouting combined anchor pretensional cable anchor under small coal pillar ,structure and mining-induced in S520 main haulageway of Changcun coal mine,it analyzes reinforcing results of roadway and evaluates technical economical results.

常村煤矿S52 0运输大巷在小煤柱、构造和采动多重影响条件下，采用小直径树脂注浆联合锚固预应力锚索新技术；分析和评价了巷道加固效果和技术经济效

The biomass compound coal composed of anthracite coal,corn haulm and loess was taken as the object of study.

以无烟煤、玉米秸秆和黄土为原料，研究了玉米秸秆含量为5%~35%的生物质型煤在不同试验条件下的燃烧特性。

Using modern biology research technique and means,plasmid extract and agarose gel electrophoresis of molecular biology level explore test were carried out for coal with not coal department the hereditary property of Thiobacillus ferrooxidans.

利用现代生物学研究方法和手段，对煤系与非煤系氧化亚铁硫杆菌的遗传特性进行了质粒抽提和琼脂糖凝胶电泳等分子生物学水平的基础性探索试验，对于质粒在硫杆菌中普遍存在的观点提出了质疑。

With rich local reserves of weathered coal resources, coal resources from the weathering of the Yellow Humic extract high molecular weight small, strong activity, performance, and Chinese are the best one of Yellow Humic mineralization.

当地具有丰富储量的风化煤资源，从该风化煤资源提取的黄腐植酸含量高、分子量小、活性强、效能好、是中国最好的矿化黄腐植酸之一。

It can measure the brake clearance of hoister of coal mine,track the brake actions and display the clearance value in real time,and alarm when the clearance value goes beyond the demand of the coal mine security rules.

介绍一种基于单片机的闸间隙检测技术，利用它可以实现对煤矿提升机制动闸的间隙测量，实时跟踪闸的动作，显示闸间隙值，并在提升机制动闸的间隙超出煤矿安全规程要求时报警指示。

Department of Nursing,North China Coal Medical College(Tangshan 063000,China)Abstract: Objective The actuality and affecting factors of housebound old working in a coal group were investigated.

目的 探讨某煤业集团离退休老年职业人群中居家不出发生的现状及影响因素。

The cost of coal for industry boiler is hugeness. It occupies about third coal in our country.

工业锅炉能耗巨大，占我国原煤产量的三分之一左右。

On the basis of gas migration equation -Darcy Law,coal seam gas content equation -parabola equation ,ideal gas state equation and the continuity equation s of the gas flow,a dynamic model of gas unilateral flow in the coal seam is set .

根据基本假设，对煤层瓦斯流动规律进行了研究，运用瓦斯运动方程—达西定律、煤层瓦斯含量方程—抛物线方程、理想气体状态方程以及气体流动的连续性方程，建立了煤层单向瓦斯流动的动力学模型，并根据边界条件和初始条件，对动力学模型进行了求解，推导出煤壁单位面积的瓦斯涌出量的计算公式，分析了瓦斯涌出量的影响因素，利用测得的数据，进行了实例计算，并用vc编制了计算机程序。

It introdues ideograph,intension,structure and implementation of safty starlight big system manage-ment method in Shegejie coal mine of LuAn coal group company.

介绍了山西潞安矿业有限责任公司石圪节煤矿推行的安全星光大系统管理法的表意、内涵、结构和实施效果。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷