Day 16 X-ray Diffraction and polymers intro скачать в хорошем качестве

Day 16 X-ray Diffraction and polymers intro

0:00 reading quiz 6:08 review of X-ray diffraction principles and Bragg's law 10:00 theta vs 2 theta 10:44 hkl miller indices 15:40 interplanar spacing, d, calculation for different crystal systems 21:08 worked example solving for d for given hkl values 25:10 not all Bragg's law conditions lead to reflections, FCC, BCC hkl requirements for reflections 26:21 example problem working out third lowest 2theta reflection hkl in FCC copper 32:26 amorphous vs crystalline materials 35:40 polymers intro, natural vs synthetic polymers, hjstory of polymers 39:30 simple hydrocarbon molecules and polymers, carbon bond angle 41:43 melting point, boiling point as a function of chain length in paraffin family 44:28 example question of butane vs isobutane boiling point 46:22 other radical groups 47:58 polymerization process, free radical role, monomer into polymers