β Scribed by D. C. Timm; T. R. Cooper
No coin nor oath required. For personal study only.
The following nucleation rate and growth rate relationships for the aqueous, continuous, cooling crystallization of potassium dichromate were determined from experimental crystal size distributions: J = 3.9 Γ 10^10^ (C β C~eq~)^0.9^; r = 3.0 Γ 10^3^ (C β C~eq~)^1.7^. Since nucleation rate is of lower kinetic order than growth rate, higher levels of supersaturation will yield crystal distributions with a larger mean size. Therefore for this system, batch or plugβflow reactors are preferred to continuousβstirred tanks.
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## Abstract After many years of successful work the Gregory CoudΓ© Telescope (GCT) is going to be replaced by GREGOR. This new 1.5 m telescope is the result of design considerations which to a wide extent are based on new technologies. Special aspects of the design are presented, including measures