Digital design and optimal are very important in modern design.The traditional design methods and procedure are not fit for the modern missile weapons research
Based on the theory of conjugate revolving quadric theory,the analytic method of calculating the straightening roller curve in the procedure of straightening the bar has been given. Meanwhile,the equa
Breaking waste tires into crumb and adding it to asphalt as modifier to prepare asphalt rubber (AR) is an effective method to solve the waste tire problem and i