Fitting the datum of SANS with Pxy program(In Chinese)

The thesis introduces the basic theory of Small-Angle neutron scattering, enumerates several approximate law.It simply describes the components of Small-Angle neutron spectrometer(SANS) and the parameters of SANS of Budapest Neutron Center(BNC) in Hungary.During the period of studying at Budapest Neutron Center in Hungary,the experiments of wavelength calibration was carried out with SIBE and the SANS experiments of sample Micelles. The experiments are briefly introduced.Pxy program is used to fit these datum, and the results of wavelength and sizes of sample Micelles are presented.

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