Structural characteristics of effective vegetation for preventing soil erosion The Electrical Analogy Analysis and Simulation Testing of the Relationship Between Net Photosynthetic Rate and Stomatal Conductance Development and Chromosome Locating of Novel Molecular Markers Related to NBS-LRR Resistance Genes in Dasypyrum villosum Rapid seed identification of Notopterygii Rhizoma et Radix by SIMCA based on FTIR