D.ApPlications—应用D031Grafting polymerization of acrylamide on polyether urethaneeerie salt,Qiu Kunyuan et al.,Polymer Communieations,1982,(2)film initiated b
Many randomized clinical controlled trials have confirmed the efficacy and safety of calcium dobesilate in treating diabetic retinopathy(DR).This systematic rev
Most of the packing materials used for liquid chtomototyraphy takes silica,gel as base The surface cf silica gel is modified by grafting of various functional