The sample pre-treatment during setting up the correcting model by partial least-squares (PLS) and the way of optimizing wavelength according to normal absorption peak are discussed.
讨论了采用偏最小二乘法（PLS）建立校正模型过程中样品预处理及利用常规吸收峰优选波长的方法。
Proper treatment on the ore fines by way of new carbon absorption process can not only accelerate the rate of fluidized pre-reduction, but also effectively prevent against bonding action.
对矿粉进行碳吸附新工艺处理，不仅加快流态化预还原速度并能有效防止粘结。
The present paper studies the law of changes in the physical and chemical properties and structure of the hematite ore fines under the absorption condition in the process of fluidized pre-reduction.
对流态化预还原过程中碳吸附条件下赤铁矿粉的物化性质、结构变化规律进行了研究。
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