The Design of System in Measuring the High Velocity Flow Cavitation Noise

1、

There is a certain angle between caving line and coal seam strike.

垮落线与煤层走向是一定角度。

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2、

Test of continuous mechanized ore-drawing technology in block forced caving system for thick asbestos ore body

石棉厚矿体阶段强制崩落连续机械化出矿工艺的试验

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3、

The system is suitable for ore-drawing management of high level and large drawing area of block caving system.

该系统适合于大规模、高阶段矿块崩落法放矿生产管理。

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4、

Ore-Draw theory and application for block caving system

阶段自然崩落法放矿理论研究与应用

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5、

Probability equation of broken rock stochastic displacement and its application in caving system

崩落矿岩移动概率方程及其应用

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6、

Development of reliability simulation software for fully mechanized caving system with parallel operation

平行作业综放系统可靠性模拟软件的开发

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7、

Study on the Basic Theory of Longwall Top Coal Caving System

关于长壁放顶煤开采基础理论的研究

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8、

Optimized imitation for the process system of long wall mining with caving method

综采放顶煤工艺系统的优化仿真

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9、

The ore-drawing computer control in caving method s

自然崩落采矿法计算机放矿控制技术

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10、

Knowledge of sub level caving method to control underground impact pressure

放顶煤开采对控制冲击地压的认识

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11、

Application and evaluation of natural caving method in China

国内自然崩落法的应用和评价

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12、

Theory and practice of sub-level caving method in China

我国放顶煤开采的理论研究与实践

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13、

This paper approves the importance in producing minimum vibra-tion energy during the broken of stiff sandstone roof in working of stress releasing seams by caving method.

论文证实了用垮落法开采卸压层使坚硬砂岩顶板折断时产生的振动能为最小的要义。

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14、

Simulation of ore drawing process in mass caving mine

连续开采型自然崩落法出矿生产系统模拟

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15、

Numerical Simulation Study of Rock Mass Caving Mechanism

岩体崩落机理的数值模拟研究

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16、

Review of Research on Ventilation Method of Entry for Sublevel Caving Method

无底柱分段崩落法进路通风方法研究综述

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17、

Analysis of Mining Pressure in Sublevel Caving and Its Controlling Methods

无底柱分段崩落法采动地压规律分析及控制方法研究

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18、

For those mines adopting the sublevel caving method, the large structure parameters of the natural lay are not suitable for the ore drawing in transition sublevel process.

采用无底柱分段崩落法回采的矿山，在向大结构参数的转变过程中，正常布置的大结构参数不适用于过渡分段的放矿。

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19、

A computer-aided technical management for sublevel caving is established and its structural design, compositions and functions are introduced.

介绍了一种适用于无底柱分段崩落法的计算机辅助技术管理系统的结构设计、系统组成与功能等。

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20、

This paper briefly describes topography and geology conditions of the Dan-jiangkou reservoir, and analyses the influential factors and forms of bank caving, and adopts engineering geologic analogy method to predict the influential area and difficulty degrees of bank caving on the basis of wide investigation.

为了预测水库坍岸范围和发生坍岸的难易程度，对丹江口水库的地形、地质条件和坍岸的影响因素和型式进行了分析。

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