Using analysis methods of orthogonalcombination under the conditions of high alkalinity, sintering process on Vanadic Titanomagnetite are researched.
在高碱度条件下，运用正交组合分析手段，对钒钛磁铁精矿的烧结工艺进行烧结实验研究分析。
2
Effects of flooding at different developing stages on cotton yield and yield components were studied in the experiment designed by orthogonalcombination.
采用正交组合试验设计，人工模拟研究了洪涝中各因素对棉花产量、产量构成因素的影响。
3
According to the partial-control theory and the traits of design of quadratic rotation-regression-orthogonalcombination, the central point treatment is put forward in this paper.