利用最优回归设计方法对测定结果进行处理，建立了数学模型。
The results are processed on computer with the Optimum Regression Design Method. By doing so, several mathematical models are set up.
采用三因素五水平最优回归设计，研究了黄泥土配施氮钾硫肥对大白菜产量和硝酸盐含量的影响。
An optimum regression design with three factors and five levels was adopted to find the effects of n, K and s fertilizers on the yield of Chinese cabbage and the nitrate content in its plant.
其次，组合d最优回归设计和D最优区组设计BIBD构造d最优设计并给出寻找新的D最优设计点的方法。
Secondly, it combines Doptimal regression design with BIBD to construct Doptimal design, and gives a method for obtaining new Doptimal design points.
为使人们能够吃上健康的无公害食品，采用三因素五水平最优回归设计，探讨了氮钾硫配方施肥对黄泥土萝卜产量和硝酸盐含量的影响。
An optimized regression design with three factors and five levels was adopted to study the effects of n, K and s fertilizers on the yield and nitrate content of radish.
研究采用二次饱和D-最优设计，建立了夏谷产量与密度、磷、氮肥的回归数学模型。
The regression mathematical models for the yields of summermilletassociated with crop density, N and P fertilizers were established by using the optimal saturation D design.
回归的组合试验设计是一种最优试验设计，近年来得到了广泛的应用。
A combination experimental design of regression is one of the optimum experimental design and is widely applicated in recently year.
采用二次回归旋转正交组合实验设计方法，探讨了魔芋葡甘聚糖凝胶珠的硫酸酯化修饰的最优化工艺条件。
The optimal technical conditions for sulfated modification of konjac glucomannan gel beads were (investigated) by the quadratic regression rotatable orthogonal design.
采用二次回归旋转正交组合实验设计方法，探讨了魔芋葡甘聚糖凝胶珠的硫酸酯化修饰的最优化工艺条件。
The optimal technical conditions for sulfated modification of konjac glucomannan gel beads were (investigated) by the quadratic regression rotatable orthogonal design.
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