This paper analyses the main principle, adhesion factor, traction and relative parameters calculation of mine electric locomotive.

介绍了矿用电机车的简要工作原理、粘着系数、牵引力及其相关参数的选择与计算。

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It analyzed the characteristics and developmental trend of the present direct current converter of the mine electric locomotive.

分析了现有矿用电机车直流电源变换器的特点及其发展趋势。

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Appraisal is made to the mine electric equipment domestic made and imported run in mine at present.

对我国现在运行的国内外矿用电气设备进行了评价。

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Resource Capital has not realized a penny from its investment in Molycorp, which aims to produce rare earth minerals (used in things like electric cars, wind turbines and iPods) at a previously shuttered mine in Mountain Pass, Calif.

FORBES: Magazine Article

Access to Bachelor Lake has not been a problem as highway 113 leads to the mine uninterrupted and the area is also electrically sound with hydro-electric power lines along the way.

FORBES: Plan Nord: Metanor To Begin Commercial Gold Production in Q3 2012

In 2010, a forward-thinking friend of mine took me for a ride in a Ford Fusion, a gas-electric hybrid that gets more miles per gallon than comparable cars with conventional engines.

WSJ: The Problem With Going Green by David Owen