Development of the Ultrasonic Strength Testing Method for Concrete
cheng zhao-xia 1 xu yin-fang 1 wang yi-xiang 2(1.school of civil eng.& mechanics; hust; wuhan 430074; china; 2.the first construction sub-company of wuhan construction eng.co. ltd.; wuhan 430022; china)
Design on Noise Control of Stacker
sang shao-xi 1 zhou jing-xuan 1 xiao jie 1 yang guo-zhu lin hong 1(1. school of envir.sci. & eng.; hust; wuhan 430074; china)