Diffraction 31 Crystallography 10 Physics 7 X-rays 7 MOLECULAR STRUCTURE BY DIFFRACTION METHODS 6 Chemistry 5 X-ray diffraction 5 X-rays--Diffraction 5 X-ray crystallography 4 Dissertations, Academic (Ph.D) 3 Optics 3 Thesis (Ph.D)-Physics 3 Thin films 3 X-RAY DIFFRACTION 3 X-rays-Diffraction 3 biological chemistry -- molecular biology -- diffraction techniques -- x-ray crystallography -- ultracentrifugation -- hydrodynamic techniques -- magnetic resonance -- optical techniques -- absorption spectroscopy -- biological structure -- biological macromolecules 3 Crystals 2 Diffraction crystallography 2 Diffraction gratings 2 Diffraction methods 2 Diffraction theory 2 Emission spectroscopy 2 Fiber optics 2 Interference 2 Microscopy 2 Microstructure 2 Microtechnique 2 Optical properties 2 Optical wave guides 2 Scattering 2