A Four-Level Theory on Energy Transfer of the Light-Harvesting Complex ¢ò in PS ¢ò in Higher Plants (in English) A Circular Dichroism Spectroscopic Study Revealing the Cause of the Changes of Chlorophyll a Fluorescence Induction of Photosystem Ⅱ During Heat Treatment Adaptive mechanism of photosynthetic apparatus of plants to light environment: State transition.