【判断题】从室内设计地面至基础底面的垂直距离称基础的埋置深度()
【单选题】---Dad, can we go to the shop?I want to buy some sweets. ---__________. Can’t you see I’m busy at the moment?
【简答题】至基础地面的垂直距离 称为基础的埋置深度
【简答题】We can’t go along that road because the sign says “No ( 进入 )” .
【简答题】写出Glu,Lys,His的解离方程式并计算其等电点pI?题干
【简答题】Glu的等电点是:_________。(pKα-COOH=4.25,pK R-COOH=2.19,pK α-NH2=9.67)