Aim: To assess the rate of complications following hypospadias repair in a consecutive series of boys and the correlations of those complications with their pre
随着半导体制造、机械工程以及电机控制理论的发展,小型化和高能效已经成为便携电子设备的主流趋势。作为便携设备中不可缺少的组件之一,电机可以用于相机镜头控制、触感反馈以及机械控制等应用。超声电机(Ultra Sonic Motor,USM)是今年来新兴的研究热点,除了小型化的特点外,它还具有扭矩大、转速范围大、抗干扰能力强等优势。为了进一步突出超声电机小型化的优势,其驱动电路的高度集成化成为USM更急
Objective: We aim to study the relationship between migraine and obesity at Titirou in Parakou in 2017. Method: It was a case-control study which included 66 mi