Studies on content determination and fingerprint of active constituents in different parts of cortex moutan Micrometer Chinese materia medica and its preparation technique Research on reducing safrole and aristolochic acid A in Asari Radix et Rhizoma based on different processing techniques Diagnosis of N nutrient status of corn using digital image processing technique Studies on Processing Technique of American Ginseng Effect of hightemperature sterilization and materials addition of vermicompost-formulated substrate on capsicum seedling development Study on preparation processing technique of Radix Kansui stir baked with vinegar Processing technique of Phytolaccae Radix stir-baked with vinegar Processing technique of Phytolaccae Radix stir-baked with vinegar