煤量甏圆家重点实验宝 =(如-)=p-=025 Assume A=A+A' b=b+B A+b=A+a++b=atB AB=AB=0 AB=(A+A B+B)=AB+A'B OA OAOA aA + axax a National Lab, of Coal Combustion. HUST Wuhan 430074P R CHINA E-mail:pcbnlcc@hust.edu.cnNL CC National Lab. of Coal Combustion, HUST Wuhan 430074, P. R. CHINA E-mail: pcbnlcc@hust.edu.cn  = ( − ) = − = 0 (2-5) Assume x A x A x A x A AB A A B B AB A B AB AB A B A A B B A B B B B A A A   =   +   =   = + + = + = = + = + + + = + = + = + ' ( ')( ') ' ' ' ' 0 ' ' '