采空区
- 与 采空区 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The mechanism of additional effect is very complicated. Experiment indicated that the additional effect of shallow water-accumulating gob had significant impact on transient electromagnetic signals. And the additional effect could not be simply incorporated into disturbance. The cause of additional effect was analyzed theorically. The examples confirmed that a the application of additional effect in detection of water-accumulating gob can produce ideal results.
附加效应产生的机理很复杂,试验表明,浅层的积水采空区的附加效应对瞬变电磁信号的影响很大,不能将这种现象简单的归结为干扰,本文从理论上分析了附加效应产生的原因,实例证明将附加效应应用到积水采空区的探测中能取得理想的效果。
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Results show that composite geophysical methods increase the accuracy and precision of mined-out areas detection, and position, distribution and transfixion relationship of group mined-out areas are found out basically, which can offer security guarantee condition when opening working turns to underground working in the mine.
探测结果表明,综合物探方法提高了采空区探测的准确度和精度,基本查明了群采空区的层位、分布、范围和贯通关系,为矿山由露天开采转入地下生产提供了安全保障条件。
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By analyzing the double meaning of the effect mechanism of water on the oxida tion and spontaneous combustion of residual coal in goaf, and through investigat ion of the results both in laboratory and field practice, it is confirmed that w ater pouring, which is suggested by authors, is a new, economic, efficient and e asytooperate measure for controlling the spontaneous combustion of the resid ua l coal in goaf.
通过对水在采空区遗煤氧化及自燃的作用机理两重性的分析以及实验室试验与现场应用实际效果研究,证实了笔者提出的清水灌注措施是一种新的、经济有效的、操作简便的防治采空区遗煤自燃的技术措施。
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In order to locate mined-out areas in gold mines and place a curb on its hidden hazard, through laying out two high precision gravity survey sections of the 1∶100 scale in the research area, with Canadian Scintrex Corporation′s CG-5AutoGrav gravimeter, the gravity anomaly data are measured by the high precision gravity survey method for the first time, and the inversion is made by the Euler deconvolution method to determine the collapse of the mined-out region and the stable sector.
为了确定金矿采空区的位置,对其隐患进行治理,首次应用高精度重力方法。在研究区布设了两条比例尺为1∶100的高精度重力测量剖面,使用加拿大Scintrex公司的CG-5AutoGrav型重力仪,测取重力异常数据,并采用欧拉反褶积方法实施反演解释,确定了采空塌陷区域及稳定地段。
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When the roof overhangs well into the gob and requires induced caving, the chocks can provide access to the gob.
当顶板overhangs早已进入采空区,并要求诱导崩落, chocks可以充分利用采空区。
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combining with a actual example, interrelated technology of grouting on fragmentized goal groundwork had been researched and actualized.
摘 要:结合某工程实例,对老采空区破碎地基注浆的相关技术进行了研究和实施。确定了老采空区地基充填注浆的范围。
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The ground deformation computing problem of goafs of highways is one of the difficult problems in highway construction, and until now there is no perfect computation methods to settle with.
采空区地面变形计算问题是一直困扰通过采空区高速公路建设的难题,之前尚无良好的理论计算方法。
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The computation model had 5 parameters, which could be identified by displacement inverse algorithm. At the same time, the ground deformation limits of highways to determine the engineering treatment scope of goafs were provided. On such a basis, the problem could be solved. Finally, a case of Lei-Yi highway was given. The computed results showed that the present method could successfully solve the ground deformation problems of goafs.
用编制的计算程序对来宜高速公路下覆典型的两种采煤形成的采空区坍塌后地面变形进行了计算分析,计算分析结果表明:随机介质理论计算模型应用比较成功,能反映地面移动规律;该处采空区对高速公路的正常使用产生威胁,宜进行适当的工程处理,并确定了工程处理范围。
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At the same time, according to the theory of ventilation network and limited wind speed method, a model for filtrating flow field in goaf was built and a simulation software for determining the three-zone in goaf was developed. The three-zone chart and the corresponding coordinates of two isolines can be directly gained by using mix-program of VB and MATLAB.
同时,根据通风网络理论建立了采空区滤流场的数学模型,以极限风速法为基础,利用VB与MATLAB进行混合编程编制了采空区自燃&三带&模拟软件,可直接绘制三带图并输出两条风速等值线所对应的坐标。
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On the basis of unit method measuring data, most of gas emitting from the mine goaf in the "U" ventilation coalface accumulates near the upper corner. What is more, the upper corner is the congestion of air leakage in the whole goaf. Therefore, the local accumulation of gas is very easy formed in upper corner.
根据单元法实测如:&U&型通风工作面绝大部分从采空区涌出的瓦斯集聚在上隅角附近,而且上隅角也是整个采空区的漏风汇,因此,上隅角极易形成瓦斯积聚。
- 推荐网络例句
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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。
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Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。