The structure of the ZnO(10 0)non-polar surface is studied using first-principles slab calculations based on density fun......

节能降耗是现代工业生产的普遍需要。针对直流电机和减速齿轮驱动下的机械臂关节,详细论述了非线性摩擦最小能耗的分析和计算方法......

在利用构件进行软件开发时，用户的需求通常是模糊和不确定的．提出了基于非线性模糊质量功能展开（NF—QFD）的构件选择模型．该模型在考虑......

AIM: To investigate the effect of the ‘‘minimizing tacrolimus’ ’ strategy on long-term survival of patients after li......