cardioid design

The optimum proportion of species was affirmed by using scheffe' simplex centroid design as La∶L1∶B.

确定了嗜酸乳杆菌 (La)、乳明串珠菌 (Ll)和两岐双岐杆菌 (Bb)为最佳菌种组合 ,并通过scheffe’三因子单形重心设计法 ,确定了最佳种间比 ,即La :Ll:Bb =3:3:2。

In this paper the pot experiment was conducted in order to study the application of the simplex centroid design in the combination of nitrogen,phosphorus and potassium fertilizers.

采用盆栽试验研究了混料设计中的单形重心设计在氮、磷、钾配比上的应用。

A quantitative mathematics function about the relationships between the compressive strength of the concrete and the compositions of ternary blended binders of cement-pulverized slag powder-superfine class F fly ash was educed by means of simplex-centroid experimental design.

通过单纯形重心设计方法得出了水泥磨细矿渣微粉超细粉煤灰三元复合胶凝材料组成与各龄期混凝土抗压强度的定量数学解析式 ,其对混凝土强度的预测精度基本可控制在 5 %的相对误差范围内 。

the A-optimal observation allocation of the generalized simplex-centroid design of two-degree is of A-optimal design.

对于q-1维正规单纯形S_(q-1)上的q分量二阶混料模型,本文解决了参数估计的A-最优设计问题:q≥4时,二阶广义单纯形-重心设计的A-最优配置是A-最优设计;通过优化计算,直接给出了q=3时的A-最优设计。