Give a new Double-Markov risk model DM=μ,Q,ν H;Y,Z)and Double-Markov risk process U={U(t),t≥0}.The ruin or survival problem is addressed.Equations which
Mossbauer spectrum measured for the iron components of photosystem Ⅱ (PS Ⅱ ) particles of spinach is a superposition of 4 doublets. Quadrupole splitting and