Anhui social P. E current situation influential elements solutions

one-solution solution

combination of numerical solution and analytic solution

maximal solution and minimal solution

maximum solution and minimum solution

periodic solution and almost periodic solution

positive solution and negative solution

solution and positive solution

super-solution and sub-solution

upper solution and lower solution

upper solution lower solution

rare earth elements lnon rare earth elements

(AlxCr1-x)2O3 solid solution

(analytic) solution

(Ce1-xEuxOy) solid solution

(NH 4) 2WO 4 solution

(NH4)2S2O8 solution

(NH4)2SO3 solution

(NH4)2WO4 solution