mine shaft
矿井
2026-03-21 20:22 浏览次数 15
矿井
surface mine ventilation shaft地面风井
mine-shaft hoists矿井提升机
uranium mine ventilation shaft铀矿井通风
mine-shaft safety矿井安全
mine-shaft flooding矿井水害
mine auxiliary shaft副井
mine-shaft fire矿井火灾
coal mine vertical shaft煤矿竖井
the failure background of an isolated rock wall in soft fractured rock mass of a mine shaft bottom is introduced.
介绍了某煤矿井底车场软弱破碎巖体孤立巖墻失稳破坏工程背景。
in the generator-motor system for hoisting in mine shaft exists a self-sustained oscillation caused by nonlinearity of excitation saturation of generator.
在用于矿井提升的发电机—电动机系统中,存在着由于发电机励磁饱和非线性变化引起的自持振蕩;
the workers sank a mine shaft at the foot of the mountain.
工人们在山脚挖了一个矿井。
being directed against mine shaft lifter situation, puts forward a trouble diagnosis system model which is based on the combination of nerve net and expert system.
针对矿井提升机的具体状况提出了一种基于神经网络和专家系统相结合的故障诊断系统模型,重点介绍了该模型的结构和实现方法。
this article according to the taoshan three ore characteristics and the production present situation, has made the mine shaft safe power supply system design.
煤矿井下工作环境复杂,矿井的井下供电系统要保证煤矿能够安全供电,维持矿井生产正常运行,减少事故的发生。
photographs on the xinhua web site showed rescue workers wearing orange uniforms and red helmets walking to the mine shaft to try and pull out workers.
新华社网站的照片显示身穿橙色制服并戴着红色头盔的救援队员走进矿井试图救出遇难工人。
in-situ stress was measured by overcoming method in borehole in zhaolou coal mine shaft station.
采用鉆孔套芯应力解除法在赵楼煤矿井底车场位置选点进行了地应力测量。
based on hydrochemical data of water samples from each water-bearing stratum, a discernment model of mine shaft water resource outburst is established using fuzzy comprehensive evaluation.
根据各含水层水样的水化学资料,用模糊综合评判方法建立矿井突水水源判别模型,并通过与其它方法对比,效果较。
description on the coretruction process of combination support by anchor & wood frame in a gold mine shaft excavation, and its effect is also analyzed at last.
介绍了锚桿锚固与木井框联合支护的施工工艺及该工艺在某金矿区竖井施工中的应用情况,最后,还分析了联合支护法的应用效果。
non-mining rupture of coal mine shaft lining in thick deep soils is a new kind of mine geological disaster.
深厚表土中煤矿立井非采动破裂是一种新的矿井地质灾害。
this thesis, theoretically, analyzes all kinds of main thermal environment parameter factors and interactional mechanics which influence generation of mine shaft heat disaster.
本文从理论上分析了影响矿井热害产生的各主要热环境参数因素及其相互作用机理。
into the mine shaft of men's greed.
进入矿井男子的贪婪。
durability inspection and safety evaluation were made to a damaged coal mine shaft tower due to the corrosion of rebar in concrete, and the corrosion mechanisms of rebar in concrete were analyzed.
对产生钢筋锈蚀破坏的某煤矿井塔进行了耐久性检测和安全性评价,同时进行了混凝土内钢筋腐蚀机理分析。
mine shaft raised is the keg of mine production , move at high speed and word throughout the year.
矿井提升是矿山生产的咽喉,高速运行,常年工作。
according to state media, water started flooding into the mine a week ago sunday at 1:40 p. m. after the wall in an adjacent abandoned mine shaft was breached while 261 miners were underground.
官方媒体报道,一周以前的周日下午1点40分,因附近一个废弃矿井被挖透,煤矿中开始有水涌入,此时有261名矿工还在井下。
photographs on xinhua’s web site showed rescue workers, who were wearing orange uniforms and red helmets, walking to the mine shaft to try to pull out people.
新华社网站的照片显示身穿橙色制服并戴着红色头盔的救援队员走进矿井试图救出遇难工人。
emergency crews were drilling a small hole down to the mine shaft to glean a clearer picture of conditions in the pit, but the rescue operation chief said they had to prepare for fatalities.
应急人员向矿井下打了一个小的通风孔,以此收集更加清晰的井下情况资料,但是主要负责营救的人员说他们必须做好迎接天灾的心理準备。
as often before, birds are acting like the canaries in a mine shaft and giving us early warning of dangerous change.
和以往一样,鸟类的反应正如‘煤矿里的金丝雀’,提前给我们鸣响警钟。
mine cross middle line point is widely used in mine construction and production. in this paper, illustrate the demarcation and burried method of mine shaft cross middle line point.
矿井十字中线点在建井和生产过程中使用较多。文中以朱仙庄煤矿南二提升井为例,介绍了矿井井筒十字中线点的标定和埋设方法。
years before, men had dug the mine shaft straight back into the mountain.
几年前,人们开挖这个笔直地退进山里的这个矿井。