The Difference of Chlorphyll Fluorescence Dynamics Process and the System of Photosynthetic Pigment in Leaf of Spinach and Tobacco Under the Action of Low Level Microwave Electromagnetic Field

• 低强度微波电磁场作用下菠菜和烟草光合细胞叶绿素荧光动力学过程及光合色素系统的差异