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上海交通大学:《Structural and Chemical Characterization of Materi》教学资源_EM5 X-ray microanalysis
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上海交通大学:《Structural and Chemical Characterization of Materi》教学资源_Physics of X-ray radiation
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上海交通大学:《材料组织结构表征》课程教学资源(课件讲义)X-Ray OCM Bone, Fat and Muscle
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⚫ Routine Radiology (Plain X-ray films, Mammography) ⚫ Computed Tomography(CT ) ⚫ Magnetic Resonance Imaging(MRI)
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复旦大学:《医学物理与实验》课程教学资料(同步辐射及医学应用)13.Evaluation of x-ray diffraction enhanced imaging in the diagnosis of breast cancer
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蛋白的膜拓扑学研究 蛋白质的晶体学研究: X-ray; EM 蛋白质的单颗粒研究: EM; AFM 蛋白质结构的波谱技术:荧光; CD; NMR
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1. General studies of the peptide bond 1.1 The peptide(O=C-N-H) bond was found to be shorter than the C-N bond in a simple amine and atoms attached are coplanar. 1.1.1 This was revealed by X-ray diffraction studies of amino acids and of simple dipeptides and tripeptides. 1.1.2 The peptide (amide) bond was found to be about 1.32 A (C-N single bond, 1.49; C= double bond, 1.27), thus having partial double bond feature (should be rigid and unable to rotate freely)
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1. Early studies on the peptide(protein) structure 1.1 The peptide(o=c-n-h) bond was found to be shorter than the C-N bond in a simple amine and atoms attached are coplanar. 1.1.1 This was revealed by X-ray diffraction studies of amino acids and of simple dipeptides and tripeptides
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The simultaneous oxidation and sulfidation of Fe 25Cr and Fe-17Cr-l.5Si-0.5Al alloys was studied at 1023K and 1223K in H2-H2O-H2S gas mixtures. The kinetic boundary which indicates the transition from oxide to sulfide has heen found in these two alloys. The critical oxygen partial pressures of Fel7Crl.5SiO.5Al alloys were systematically lower than those of Fe-25Cr alloy. The reaction kinetics were measured by the stainless steel spring balance, and the reaction products were characterized by X-ray diffraction and scanning electron microscopy. The reaction rate usually decreased with the increase of the oxygen partial pressure at the constant sulfur partial pressure. The exista-nce of silicon plays an important role to suppress the sulfidation of Fel7Cr alloy
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Lab 1 Target hitting through collisio Lab 2 Torsional pendulum Lab 3 The latent heat of vaporization of liquid nitrogen Lab 4 Digital Storage Oscilloscopes Lab 5 Wheatstone bridge Lab 6 Magnetic field variation along the axis of a circular coil and a Helmholtz Lab 7 Converging Lens Lab 8 Frank-Hertz experiment with Neon Lab 9 X-ray experiment
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