نتایج جستجو برای: crystal growth from solution

تعداد نتایج: 6471512  

In order to improve the traditional freezing crystallization process of calcium nitrate in nitric phosphate process, crystal growth experiments by adding Ca(NO3)2·4H2O seeds in supersaturated calcium nitrate solution in a Circulating Fluidized Bed (CFB) crystallizer were carried out on crystal growth kinetics. The results showed that the growth of C...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2003
Andrew Putnis Carlos M Pina Jose M Astilleros Lurdes Fernández-Díaz Manuel Prieto

The study of nucleation and growth mechanisms of salts from aqueous solutions, as a function of supersaturation, is described using both macroscopic and microscopic experiments. In situ observations in a fluid cell in an atomic force microscope (AFM) reveal phenomena not accounted for in standard crystal-growth theories, specifically on the role of the crystal structure of the substrate in cont...

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Crystal size distribution (CSD) in metamorphic rocks provide fundamental information about crystal nucleation and growth rate, growth time and the degree of overstepping. CSD data for garnet, staurolite, kyanite and andalusite crystals from the aureole demonstrate that the earliest formed of these minerals, garnet, has the highest population density and the shortest growth time. The last formed...

ژورنال: پژوهش در پزشکی 2008
سودابه طاهری, , جعفر محمودیان, , دکتر علی‌اصغر کلاهی, , دکتر علی‌اکبر سلیمانی‌رهبر, , دکتر فریبا فیاض, , دکتر محمد نیاکان, , محمدرضا نژادمقدم, ,

Neisseria species are gram negative diplococci an important characteristic of these bacteria is resistance against crystal violet. This study was done to investigate the effect of crystal violet on the growth of Neisseria, to observe the outcome of adding this substance in culture media for isolating these organisms, and finally to make a specific medium for isolation of the Nisseria species. ...

2017
Lynn Lee Jangmi Baek Kyung Sun Park Yong-EunKoo Lee Nabeen K. Shrestha Myung M. Sung

We report a facile roll-printing method, geometrically confined lateral crystal growth, for the fabrication of large-scale, single-crystal CH3NH3PbI3 perovskite thin films. Geometrically confined lateral crystal growth is based on transfer of a perovskite ink solution via a patterned rolling mould to a heated substrate, where the solution crystallizes instantly with the immediate evaporation of...

Journal: :iranian journal of radiation research 0
s.a. bagheri physics department, imam hossein university, p.o. box 16575-347, tehran, iran r. malekfar physics department, tarbiat modares university, p.o. box 14115-175, tehran, iran

background: similar to the thermoluminescence (tl) spectra, the optical parameters variations can also be used in tl crystals for dosimetry purposes. these optical parameters can include absorption, transmission and reflection coefficients. materials and methods: single crystals of kbr and kcl which have been used in this research were grown from laboratory grade extra pure precursor powders. c...

Journal: :Bulletin of the Chemical Society of Japan 1987

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