Innovation study on Chinese medicinal materials ultrafine grinding byImpacting and attriting in jet mill Study on ultrafine vibration extraction technology of Rhizoma Chuanxiong Optimization of wet ultrafine grinding technology for Hirudo extraction Comparison on in vitro dissolution behavior of notoginsenoside R1, ginsenosides Rb1 and Rg1 between ordinary fine and ultrafine powder of Panax notoginseng Preparation and characterization of micronized trans-cinnamic acid by anti-solvent crystallization method Study on antiobesity of Amorphophallus rivieri ultrafine grinding and nanometer powder Dissolution difference of ginsenosides from ultrafine granular powder and common powder traditional pieces of Panacis Quinquefolii Radix in vitro Influence of ultrafine grinding on micromeritic properties of Zhengfupian Effect of particle design on micromeritic property of dental ulcer powder Testing method for particle size of Radix Astragali ultrafine powder by microscopic image analyzer Effect of dragon‘s blood powder with different grain size on transdermal absorption and adhesion of ZJHX paste Ultrafine Comminution Assistant Extraction Craft of Oat Polysaccharide from Naked Oat Bran Research on ultrafine grinding technology of improving dissolution rates of effective components in Sanjie Zhentong capsule Preparation, Characterization and Function Evaluation of Ultrafine Resveratrol Powder Physicochemical properties and in vitro dissolution behavior of active ingredients in ultrafine powder of Eucommia ulmoides