نتایج جستجو برای: chemical nature
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The most accepted atom model currently was proposed by Dr. Bohr and by Dr. Schrodinger and Dr. Dirac subsequently. However, many phenomenon cannot be explained by Bohr’s atom model. He used Coulomb electric force as the centripetal force to explain the rotation of electrons around nucleus. Another very important basic forces, magnetic force and frame-dragging force (spinnity), were neglected an...
Keratohyalin granules were isolated in the native form from the epidermis of newborn rats by the use of citric acid and a detergent . The isolated granules revealed a fine granular substructure in the electron microscope similar to that seen in situ. Analyses of amino acids by automated column-chromatography showed that proline and cystine are present in large proportions whereas histidine is p...
the do1(18c6)fi (mwli. na. k and i 8c6=18-crown-6) complexes have been chosen as the model systems toinvestigate the nature of chemical bonds between alkali metal cations and large mffitidentaie orgmnic ligands.the b3lyp/6-3i+g(d,p) level of calculation has been used for obtaining equilibrium geernetnes and p(r)functions (electron density distributions). by the aid of fundamental physical theor...
As the field of chemical biology has grown, Nature Chemical Biology has expanded to reflect the diversity of science at the interface of chemistry and biology. Throughout this period, the editorial team has endeavored to publish leading research and thoughtful commentary across chemical biology and to present the field’s discoveries to the widest possible audience. As we enter our sixth volume,...
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