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Dendritic crystallization of superco...

Harrison, Kathleen Marie.

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Dendritic crystallization of supercooled solutions.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Dendritic crystallization of supercooled solutions./
Author:	Harrison, Kathleen Marie.
Description:	113 p.
Notes:	Source: Masters Abstracts International, Volume: 27-03, page: 0391.
Contained By:	Masters Abstracts International27-03.
Subject:	Physics, Atmospheric Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1335171

Dendritic crystallization of supercooled solutions.
Harrison, Kathleen Marie.

Dendritic crystallization of supercooled solutions. - 113 p.

Source: Masters Abstracts International, Volume: 27-03, page: 0391.

Thesis (M.S.)--University of Nevada, Reno, 1988.

Growth rate, habit, and fluid convection for dendritic crystals growing from solutions of sulfuric and nitric acid were studied using video photography with a Schlieren optical system. Uniformly supercooled solutions were nucleated by single crystals of known orientation or by growth of crystals through a tube ending in the bulk of the sample. Crystal growth velocities, habits and convection were found to be dependent on solution concentration and supercooling. The segregation coefficients for nitric acid solutions were measured by analysis of the ice (melted) and residual solution, separated immediately after freezing and were found to increase with supercooling. The implication of these results to optical properties and chemical reactions in high level clouds, electrical effects during freezing and so-called acid precipitation and rime, is discussed.Subjects--Topical Terms:

1019431
Physics, Atmospheric Science.

Dendritic crystallization of supercooled solutions.
LDR:01793nmm 2200241 4500 001 1849102
005 20051203073734.5
008 130614s1988 eng d
035 $a (UnM)AAI1335171
035 $a AAI1335171
040 $a UnM $c UnM
100 1 $a Harrison, Kathleen Marie. $3 1937082
245 1 0 $a Dendritic crystallization of supercooled solutions.
300 $a 113 p.
500 $a Source: Masters Abstracts International, Volume: 27-03, page: 0391.
502 $a Thesis (M.S.)--University of Nevada, Reno, 1988.
520 $a Growth rate, habit, and fluid convection for dendritic crystals growing from solutions of sulfuric and nitric acid were studied using video photography with a Schlieren optical system. Uniformly supercooled solutions were nucleated by single crystals of known orientation or by growth of crystals through a tube ending in the bulk of the sample. Crystal growth velocities, habits and convection were found to be dependent on solution concentration and supercooling. The segregation coefficients for nitric acid solutions were measured by analysis of the ice (melted) and residual solution, separated immediately after freezing and were found to increase with supercooling. The implication of these results to optical properties and chemical reactions in high level clouds, electrical effects during freezing and so-called acid precipitation and rime, is discussed.
520 $a The effects of supercooling on the habit and rates of growth of ice crystals from these solutions were obtained and compared to those obtained for pure water. (Abstract shortened with permission of author.)
590 $a School code: 0139.
650 4 $a Physics, Atmospheric Science. $3 1019431
690 $a 0608
710 2 0 $a University of Nevada, Reno. $3 626634
773 0 $t Masters Abstracts International $g 27-03.
790 $a 0139
791 $a M.S.
792 $a 1988
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1335171