Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.
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In this paper, we discussed tenacity and drying shrinkage rate of the advertising lamp shade PET industrial fiber using the orthogonal test and single-factor test.
利用正交试验和单因子试验，对影响灯箱布用涤纶工业丝的断裂强度和干热收缩率指标的工艺因素进行了研究。
Using the Orthogonal test method, the optimal structure parameters in subsea mining are obtained by constructing a objective function based on the principle to keep the stability of rock masses.
采用正交试验方法，以岩体稳定性为原则建立目标函数，获得滨海基岩开采最佳采场结构参数。
The effects of grinding parameters on surface roughness of Marine propeller blade were studied by using orthogonal test.
通过正交试验研究了磨削参数对船用螺旋桨叶片表面粗糙度的影响。
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