An Experimental Study of 75 kw Asynchronous Variable Frequency Alternating Current Type Dynamometer in Cavitation Tunnel

Application of the Regression Analysis Method in Treating Experimental Data of Ducted Propeller Series in Cavitation Tunnel Tests

导管螺旋桨系列空泡筒试验数据的回归分析处理方法

Simulating Tests on Air-water Two Phase Flows in a Normal Cavitation Tunnel

在常规水洞中模拟气&液两相流的试验

Experimental Investigations of Influence of Gas Content in Water to Propeller Cavitation Noise

水中含气量对螺旋桨空泡噪声影响的试验研究

Data Acquisition Card for Hydraulic Turbine Cavitation Noise Based on Consecutive Sample

基于连续采样的水轮机空化噪声采集卡

On Acoustic Performance of Measuring Structure for Cavitation Noise

空化噪声量测结构的声学性能研究

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

高速水流空化噪声测试系统设计

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。

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

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。

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

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

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

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

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

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

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

Application and evaluation of natural caving method in China

国内自然崩落法的应用和评价

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

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。

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