3.The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.
4.Methods 80 cases (90 eyes) of chronic dacryoadenitis or simple obstruction of nasolacrimal duct were treated by inverse planting silica gel tubes.
方法80(92眼)慢性泪囊炎、单纯鼻泪管堵塞患者行逆植球头硅胶管治疗。
5.Objective To study the treatment effects of chronic dacryoadenitis and obstruction of nasolacrimal duct by inverse planting silica gel tubes with spherical end.
目的探讨逆植球头硅胶管治疗慢性泪囊炎、单纯鼻泪管堵塞的临床疗效。
6.A study was made of the effect of using silica gel and macroporous resin I as absorbent in column chromatography on the separation of tigogenin.