查询词典 caving system

Through the comparison between at home and abroad, caving has developed on the stage of mature, organization and implementation of caving is perfect, the participants includes not only professional researchers but also a avocational lovers, the caving in our country is in its developing stage, and the caving technology and equipments are backward, caving security system is not complete, the participants are only the professional researchers and has not reach the stage which is popular.

通过对国内外洞穴探险发展的对比研究，指出洞穴探险在国外已经发展到了成熟阶段，洞穴探险的组织实施以及洞穴探险保障体系也发展地较为完善，参与洞穴探险的不仅仅是洞穴研究人员，更多的是业余的洞穴爱好者。

At the same time, a computer aided ore drawing control system for the block caving of Chengchao Iron Mine is developed. This may promote the management level of block caving and finally increase economic benefit of the mine.

同时，开发了程潮铁矿矿块崩落法放矿计算机辅助管理系统，该系统可以提高矿块崩落法放矿的现代化管理水平，提高矿山企业的经济效益。

In the induction caving roof, the quantitative inspection have been done by the digital digital panoramic borehole camera system. The quantum study are applied to inspecte the crack occurrence and width from the corresponding relation between 3-D image and its spatial coordinates. And the system provide the method to calculate, account and analysis of the crack parameter.

采用数字式全景钻孔摄像系统宏观探测顶板围岩在耦合诱导致裂失稳崩落的裂隙形态，从裂隙的三维图像与空间坐标关系，对裂隙的产状、隙宽和迹长等参数进行了定量的数字化探测、处理与还原。

To solve the problems presently such as Herculean rock engineering exists at gob-side entry excavating in comprehensive mechanization caving coalface, difficult drivage and ventilation in single road in crossheading from far distance, this paper studies and puts forward two-roadway layout system with small coal column in thick coal comprehensive mechanization caving coalface.

本文为解决目前综放沿空护巷系统存在的岩石工程量大、顺槽单巷长距离掘进施工及通风困难等问题，提出了厚煤层综放工作面小煤柱护巷双巷布置系统。

Based on the application of systematic reliability and grey system theory and fuzzy mathematics method, the reliability of the man machine environment system of caving fully mechanized face is studied, and the calculating formulas of the effectiveness of extraction system and caving system are also give

综合应用系统可靠性、灰色系统理论和模糊数学方法，研究了放顶煤综采工作面人－机－环境系统可靠性，得到了割煤系统和放煤系统可用度的计算公

Roof control ; Underground continuous mining ; Natural caving property ; Artificially induced caving ; Time sequence system

顶板控制；地下连续开采；自然崩落性；人工诱导崩落；时序系统

NET and technology with data handling, designed and developed sublevel caving ore drawing computer simulation system with altitude may regard melt, intelligence melt and simulate precision, this system may solve any boundary conditions used in analysis research take off and ore drawing loss poor relevant various problems, have offered means and the method of science.

NET 和数据处理等技术，设计开发了高度可视化、智能化和仿真精度的崩落法放矿计算机仿真系统，该系统可用于分析研究解决任何边界条件下与放矿损失贫化有关的各种问题，为采矿工作者研究放矿问题提供了科学的方法和手段。

A systematic study is made on the underground continuous mining of No.3 thick and low grade orebody of a nonferrous metal mine by a simulation test with similar material and by FLAC-3D method,including the study on the natural roof caving,the time-sequence system of artificially induced roof caving and the roof stress cha...

利用相似材料模拟试验和FLAC-3D研究方法，对某有色金属矿山厚大、低品位的3#矿体的地下连续开采进行了系统研究，包括矿体顶板自然崩落性、顶板人工诱导崩落时序系统以及开采过程中顶板应力变化规律的研究。

By applying the system reliability and ergonomics theory, the reliability mod el of the man-machine-environment system of roadway sub-level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided.

文摘：应用系统可靠性和人-机工程学理论，建立了急倾斜煤层巷道放顶煤人-机-环境系统可靠性模型，给出了系统可用度和生产能力的计算公式。

Research on coal caving characteristics and caving technology for fully mechanized top coal caving mining face in thick seam with complicated parting structure;2. On the basis of mechanical property test of rock, the characteristic of combination system for coal and rock parting were thoroughly studied.

在煤岩力学性能试验的基础上，对煤矸组合系统的力学特性进行了较为深入的分析，揭示了含夹矸顶煤的破碎机理，建立了确定含夹矸层厚度上限值的方法，由此提出了提高含夹矸顶煤冒放性的主要技术措施，并在现场应用中取得了满意的效果。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。