On the base of single-factor experiment,the optimum parameters of extraction for flavonoids from Toona sinensis leaves were discussed. 在单因素实验的基础上探讨了香椿叶黄酮类化合物提取的最佳工艺参数。
By using the upperbound theory,the deformation powers and unit deformation force in upsetting are calculated,and the optimal technological parameters are determined. 应用金属塑性成形的上限理论,计算了管坯变形时的各项功率及管坯镦锻时的单位变形力,并确定了变形时的最佳工艺参数。