Optimal design principle and method of inhaled composite particles for complex system of Chinese materia medica Optimal design principle and method of inhaled composite particles for complex system of Chinese materia medica Study on preparation of andrographolide composite particles based on mechanical crushing method and its dissolution Preparation of notoginseng total saponins-tanshinone composite particles by solvent deposition method and their characterization Preparation of notoginseng total saponins-tanshinone composite particles by solvent deposition method and their characterization Preparation of curcumin-EC sustained-release composite particles by supercritical CO2 anti-solvent technology Preparation and characterization of Indigo Naturalis-Alumen composite particles based on particle design principle