Duringthe 1st half of this talk.I will introduce SSRF diffraction beamline.BL14BI is a bending magnet based beamline and dedicates to general purpose diffraction studies.
Nanometer chitosan(nmCS)was obtained by ion exchange methodology,and the nanometer CS-Ag、CS-Ca and CS-Ag-Ca were prepared by introducing AgNO3 and saturated CaCl2 solution into the product obtained ab