Some reasonable suggestions to ore withdrawal mode and mining management for the purpose of decreasing ore loss & depletion and increasing resource utilization rate are made.
从采场结构参数方面系统分析了影响无底柱分段崩落法损失、贫化的因素,对放矿制度及生产管理措施提出了合理建议,为降低损失贫化、提高矿产资源利用率提供了科学依据。
A kind of speed measuring instrument which can measure and record the tramcar speed were described.
介绍了一种采用单片机测频法测量井下矿车速度的记录分析仪,通过霍尔速度传感器,运用单片机测频法,测量井下轨道矿车的速度,速度超过规定上限值时能够进行声光报警。
A method to determine the emitting rate of hydrogen chloride is introduced.
介绍了一种测定尾气氯化氢放出速度的方法以及工业回收非等速产生的尾气氯化氢的工艺设计过
Design of Tramcar Speed Measuring and Record-Analyzing Instrument;
轨道矿车速度测量记录分析仪的设计
Development of the Tramcar Speed Measuring and Recording System Based on USB;
基于USB的矿车速度测量记录系统的研制
automatic wagon control
矿车限速自动控制器
Design of the FOC System of the Mine Trolley Locomotive;
矿用架线式电动机车无速度传感器矢量控制系统设计
Study on the Average Braking Deceleration for Safety PerformanceInspection of In-Use Inclined-Shaft Man-trip Car
矿山在用斜井人车安全性能检验中的平均制动减速度
A train is faster than a bus
火车的速度比汽车快，
Analysis on Body Strength of Mining Truck under Impact load of Ores
矿石冲击载荷作用下矿用车车厢的强度分析
Talking about the fast charge of accumulator for the mine explosion-proof electric locomotive
论煤矿防爆电机车蓄电池的快速充电
Speed Regulation System Research of Mining Electric Locomotive Based on Matlab Software;
基于MATLAB的矿用电机车调速系统研究
Design of DSP-based Speed Control System for Mine Electric Locomotives
基于DSP的矿井电机车调速系统的设计
She was driving at well over the speed limit.
她开车的速度远远超过了速度限制.
The speed of a train differ greatly from the speed of an airplane.
火车的速度与飞机的速度大不相同。
She drives rather faster than she ought.
她开车的速度比她正常的速度快多了.
one modified to increase speed and acceleration.
为了提高速度和加速度而改进的汽车。
The train was getting up.
火车正在加快速度。
a race between (usually high-performance) automobiles.
汽车之间的速度比赛。
The bus picked up speed quickly.
汽车立刻加快了速度。
a safe car, speed, road
安全的汽车、 速度、 道路