Nonwovens' pore structures are very important to their mechanical and physical properties. And the pore structures are influenced by the fiber properties an
The distribution of zeros of solutions of the advanceddifferential equations with an advanced variablex′(t)-P(t)x(τ(t)) = 0, t≥ t0is studied, whereP(t) ∈ C(
The territorial consideration is enclosed in the development of network economy and e-Business, and there is no departure of the cultivation of e-Business from