METHODS Naproxen sodium and pseudoephedrine hydrochloride bilayed sustaineded-release tablets were prepared by the solid dispersion method and twice compressing method using HPMC as the matrix material.

Methods The way of solid dispersion basic materials and non-water preparation was used to prepare effervescent tablets, and was compared with the traditional preparation procedures.

Preparation and dissolution characteristics of solid dispersion of ginsenoside Rg_3;

Preparation of Dragon’s blood solid dispersion and the study on their dissolutions;

Study on preparation of nitrendipine solid dispersion using the solvent evaporation-deposition method;

Preparation and in vitro evaluation of nifedipine solid dispersions;

Preparation and dissolution properties of solid dispersions of puerarin with polyethylene glycol 6000;

Determination of 5F in the solid dispersions prepared by poloxamer and 5F extracted from Pteris semipinnata L;

Quantitation of flavonoids in silymarin loaded solid dispersion system;

To enhance the dissolution rate of ursolic acid(UA) from its preparation,solid dispersion systems of UA in PVP-K30 were prepared at various weight ratios by co-evaporation of drug and PVP-K30 ethanol solution.

Preparation and dissolution of the solid dispersions of ketoprofen-polyvinylpyrrolidone;

Preparation of solid dispersion hemin and evaluation of its dispersing character;

Studies on preparation and dissolution of albendazole solid dispersions;