Technological experiment of fly-ash cement particleboard was processed with the mathematical model of "Quadratic Orthogonal Rotational Combination Design", based on the preliminary experiment.
在预备性实验基础上，采用二次正交旋转组合设计对粉煤灰水泥刨花板进行工艺试验。
T. ma was studied on the base of other studies, the experiment adopted with the combination design of orthogonal and quadratic regression equation.
采用三元二次回归正交组合设计，研究了氮、磷、钾三因素五个水平对湖北麦冬产量的影响。
For preventing Browning of canned Litchi in Syrup in the processing and storing, the best combination of color fixatives without sulfur selected by L9 (34) orthogonal experiment was 0.
针对糖水荔枝罐头加工，贮藏中容易出现的褐变现象，通过L9(34)正交实验确定糖水荔枝最优无硫护色剂组合为：0。
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