induced refractive index
71Pezzottaite — Infobox mineral name = Pezzottaite category = boxwidth = boxbgcolor = caption = formula = Cs(Be2Li)Al2Si6O18 molweight = color = Raspberry red, orange red, pink habit = flattened, tabular, equant, aggregate system = Trigonal twinning = cleavage …
72Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …
73Dielectric — A dielectric is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their …
74Phase-change memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …
75Diving watch — Omega Seamaster model 2220.80, with a water resistance of 300 m (1,000 ft). The second crown (at 10 o clock) is a helium release valve. A diving watch is a watch designed for underwater diving that features, as a minimum, a water… …
76Wadsleyite — is a high pressure polymorph of olivine, an orthorhombic mineral found in the Peace River meteorite in Alberta, Canada. In the phase transformations from Mg2SiO4 Fe2SiO4 (forsterite fayalite), olivine is transformed to wadsleyite β Mg2SiO4 and… …
77List of chemical analysis methods — A list of chemical analysis methods with acronyms.List of methods* Atomic absorption spectroscopy (AAS) * Atomic emission spectroscopy (AES) * Atomic fluorescence spectroscopy (AFS) * Alpha particle X ray spectrometer (APXS) * Capillary… …
78Magnesium sulfate — Anhydrous magnesium sulfate Epsomite (heptahydrate) …
79Arsenic trisulfide — Arsenic trisulfide …
80Acetone — Acetone[1] …
