Quantum Chemical Studies on Proteins in the Reaction Center of Rhodobacter sphaeroides Gene cloning, features of sequence, and analysis on temporal and spatial expression of Rehmannia glutinosa f. hueichingensis 3-ketoacyl CoA-thiolase Sequence Analysis and Structure Prediction of Antigenetic Membrane Protein Gene from Paulownia Witches‘ Broom Phytoplasma Optimization of extraction technology of two immune active proteins from Astragalus membranaceus var. mongholicus