نتایج جستجو برای: x ray diffraction ordering
تعداد نتایج: 719244 فیلتر نتایج به سال:
We report the results of new grazing incidence X-ray diffraction studies of Langmuir monolayers of F(CF~)jjCOOH and F(CF~)jOCH~COOH supported on water in each case the locations and intensities of the first three diffraction peaks ((1, 0), (1, 1) and (2, 0)) have been measured. These new data are consistent with earlier ones in that both monolayers have simple hexagonal packing of molecules wit...
the x-ray charge density analysis of a hydroxynaphthoquinnne derivative was obtained by multipolar hansen-coppens formalism refinement through high resolution x-ray diffraction data at 100(1) k. the molecularproperties of the title compound resulted from the combined experimental and the quantum theory of atoms inmolecules (qtaim) studies. the topological properties of the covalent bonds and of...
the knoevenagel condensation of aromatic aldehydes with barbituric acid, dimedone and malononitrile occurred in the presence of bf3/nano-γ-al2o3 at room temperature in ethanol. this catalyst is characterized by powder x-ray diffraction (xrd), fourier transform infrared spectroscopy (ft-ir), thermal gravimetric analysis (tga), field emission scanning electron microscopy (fesem) and energy-disper...
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