矿井

The Prediction if pumpage from mining wells is very important for mining work.

矿井涌水量预测对于矿山开采具有重要意义。

The men trapped in the mine were asphyxiated by gas.

那些困在矿井中人因瓦斯中毒窒息死亡。

The mines had been closed down following a geological survey.

继一次地质调查之后,这些矿井已被关闭了。

The miners put some explosives in the mine, to loosen the coal.

矿工在矿井里放了些炸药，以便把煤炸开。

The inspector went down the mine.

监察员已下到矿井里了。

Joseite A was taken from the Dadongchang Pb-Zn deposit in Yunuan Province.

硫碲铋矿A产于云南省大硐厂铅锌矿床，与自然铋、辉铋铅矿井生。

The workers see the closure of the pit as the end of the line for mining in this area.

工人们把矿井封闭看作当地采矿业结束。

The premonitor of gushing water and recognition of origin - water are expounded, and put forward the predictive melhod of gushing waler.

详细阐述了矿井突水征兆和突水水源识别,提出了矿井突水预测方法。

Along with the well deveoping,hoisting speed and load are bigger and bigger,we must pay enough attention to the overwinding of skip.

随着矿井发展,提升速度越来越大,载荷也越来越大,箕斗过卷应得到足够重视。

This paper resumptively introduces the gist of design of electromagnetism, structure and so on of the large synchronous motor driving mine winder.

概括了矿井提升同步电动机电磁、结构等方面设计要点。

Kerneos main products like Fondu and Ternal White have already gained high reputation from the various local and international companies operating in China.

产品被广泛应于干砂浆，土木工程，矿井，和其它应凝土和砂浆领域。

The combined method of speed key point monitoring and speed chart monitoring is advanced to prevent hoist overrolling,significantly improving the safety and reliability of mine hoist operation.

采速度逐点监视和包络线监视技术，防止矿井提升机严重过卷，大大提高了提升机运行安全性和可靠性。

A new type of digital phasometer applied to the infrared laser position-tracking system of mine hoister is introduced in the paper,which is based on FPGA and FFT algorithm.

主要介绍了在矿井提升机红外激光位置跟踪系统中一种新型数字鉴相器研究方法,该方法基于FPGA器件运FFT算法完成。

In this paper, a computer monitoring and control system for mine elevator and its hardwareand software designs are presented.The elevator is driven by a DC motor and controlled by an amplidyne.

本文介绍对交磁扩大机控制直流拖动矿井提升系统进行计算机监控系统组成及硬、软件设计。