查询词典 goaf

To some extent, the paper is of instructive significance for the research, promotion and application of gas extraction technology in the goaf.

文章对采空区瓦斯抽采技术的研究和推广应用具有一定的指导意义。

It suggests that studying goaf gas flow patterns applying CFD model is one of the feasible methods.

同时表明：采用CFD模型研究采空区瓦斯流动规律是可行的方法之一。

This method can be used generally to divide "three zones" of the depressing zones overlying a goaf.

此方法可普遍用于采空区上覆岩层的"三带"划分。

The spatial distribution of the goaf is learned thoroughly, based on detailed field investigation and data analyses in the mine.

在对现场进行详细调查和相关资料分析的基础上，查清了该采空区的空间分布状况。

The analog simulation method is a important approach for people to study the inherent law of ground stability with goaf.

在实验室通过相似模拟手段来研究采空区的地基稳定性是人们探索其内在规律的重要途径。

A numerical model for infiltration flow and diffusion of gas in heterogeneous goaf was established.

建立了非均质采空区瓦斯渗流-扩散的数值模型，模拟了瓦斯在采空区中的涌出、分布及积聚的流体力学原理。

Among the safety problems of coal mines the goaf water and gas outburst are main problems.

煤矿安全的突出问题之一是突水事故、瓦斯突出。

Goaf gas flow and distribution patterns were studied by means of CFD numerical simulation.

采用CFD数值模拟方法对采空区瓦斯流动及分布规律进行了研究。

By site geologic investigation, the paper evaluates stability of goaf , and takes relevant treatment measures of ground and structure.

通过现场地质勘测，对采空区的稳定性作出评价，并采取相应的地基、结构处理措施。

The gas drainage problems in the top adjacent strata and goaf can be solved.

这可以解决上邻近层和采空区的瓦斯抽放问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。