通过对程湖铁矿三个分段生产情况的调查，找出影响程潮铁矿矿石损失贫化指标的因素。

This paper finds out the factors which affected the mine loss and dilution through investigation to the three subsection in Chengchao iron mine.

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采用神经网络(ANN)方法对沿程水头损失系数的影响因素进行了分析。

Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).

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研究了不同配气定时以及不同气门升程工质分层程度的变化规律以及影响因素，对自燃着火区域进行了统计分析。

For different valve timings and valve lifts, the rule and influencing factors of charge stratification were researched and the auto-ignition areas of chamber were statistically analyzed.

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