Geographical Variation in the Characteristics of Absorption Spectra and Fluorescence Spectra of Pinus armandi The Effects of Immobilization on Photosynthesis, Growth, Nitrogen Fixation and Ammonium Ion Excretion of Mutant and Wild Type Cells of Anabaena variabilis Comparative studies on pigment-protein complexes of Undaria pinnatifida isolated by two electrophoresis systems Microspectrofluorometric Analysis of Autofluorescence in the Cell Walls of Phyllostachys pubescens Culm Effects of Doubled-CO2 Concentration on Ultrastructure, Supramolecular Architecture and Spectral Characteristics of Chloroplasts from Wheat