group dynamics
group dynamics In one sense, all sociology is about group dynamics, but the term is usually applied to the structure of, and processes within, small face-to-face groups. The terrain is largely occupied by psychologists, but is integrated into sociology, mainly through the work of Talcott
Parsons and the American social psychologist Robert F. Bales (see
Family, Socialisation and Interaction Process, 1955, and
Working Papers in the Theory of Action, 1953
). Bales's related publications include
Interaction Process Analysis: A Method for the Study of Small Groups (1950), and
SYMLOG: A System for Multiple Level Observation of Groups (1979).
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Removal of organic matter in Moroccan Youssoufia phosphate by flash calcination
Magazine article from: Minerals & Metallurgical Processing; 5/1/2005; ; 700+ words
; ...is transformed into phosphoric acid. Calcination destroys the organics but will, at...The object of this research is the calcination of the so-called "black" phosphate...organic matter is complete at 900 C. The calcination tests are performed in a flash pilot...
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Beneficiation of apatite rock phosphates by calcination: effects on chemical properties and fertiliser effectiveness.
Magazine article from: Australian Journal of Soil Research; 3/1/2001; ; 700+ words
; ...application fertilisers but the effect of calcination on the agronomic effectiveness is likely...for the various RPs. The effect of calcination on the properties and agronomic effectiveness...represented the various materials produced by calcination. The calcined RPs were subjected to...
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Single-step calcination for dielectric perovskites.(ELECTRONICS)
Newspaper article from: Advanced Ceramics Report; 5/1/2005; 700+ words
; ...capabilities of the ceramic. A two-step calcination technique--called the columbite precursor...propose a mechanism for the single-calcination synthesis of lead-based niobate ferroelectrics...which are pyrochlore-free--using a calcination process. In order to analyze the reaction...
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Calcination of Roman cement: a pilot study using cement-stones from Whitby.
Magazine article from: Construction and Building Materials; 7/1/2008; ; 700+ words
; ...characteristics. The properties are sensitive to calcination conditions with optimum strengths being...composition was noted and related to the calcination conditions. Of particular interest...and [beta]-belite under differing calcination conditions. Clinker particles were...
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Coke calcination plant takes shape. (Kuwait).(Kuwait Petroleum )(Brief Article)
Magazine article from: MEED Middle East Economic Digest; 11/29/2002; 700+ words
; ...have been released on the proposed coke calcination project that Kuwait Petroleum Corporation...technology provider for the proposed coke calcination plant. The local Global Investment...financial adviser for the scheme. Coke calcination project: milestones Milestone Date...
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Coke calcination project delayed.(Brief Article)
Magazine article from: MEED Middle East Economic Digest; 4/20/2001; 700+ words
; ...procurement and construction (EPC) contract on its coke calcination project, following a delay in signing a final agreement...The unsuccessful bidders for the EPC contract on the coke calcination project were South Korea's SK Engineering & Construction...
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NGZ brings $20-mln calcination furnace on line.
Newspaper article from: Russia & CIS Business and Financial Newswire; 3/31/2006; 371 words
; NGZ brings $20-mln calcination furnace on line MYKOLAYIV. March 31 (Interfax) - Ukraine...the FSU's biggest alumina producer, has launched the No. 5 calcination furnace made by Germany's Lurgi for more than $20 million...
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$240 million carbon calcination project means jobs for regional Queensland.
M2 Presswire; 6/4/2001; 700+ words
; ...June 2001-Australian Government: $240 million carbon calcination project means jobs for regional Queensland (C)1994-2001...Astral Calcining Corporation for its proposed petroleum carbon calcination plant in Gladstone, Queensland. The $240 million two...
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Brazilian Inventor Develops Zinc Silicated Minerals Calcination Process
News Wire article from: US Fed News Service, Including US State News; 2/7/2007; 468 words
; ...Belo Horizonte, Brazil, has developed a concentration/calcination process of zinc silicated minerals and a concentrate zinc...rubbing, conditioning, flotation, thickening, filtering, calcination, storage and waste deposition." The inventor was issued...
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Strontium-doped hydroxyapatite nanopowder via sol-gel method: effect of strontium concentration and calcination temperature on phase behavior.(Report)
Magazine article from: Trends in Biomaterials and Artificial Organs; 9/1/2009; ; 700+ words
; ...molecular scale. The effects of Sr doping concentrations and calcination temperatures on the phase behaviour of Sr-doped HA were...The black powder was then subjected to 900[degrees]C calcination where white powder was obtained. The powder of 2, 5, 10...
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calcination
Book article from: The Columbia Encyclopedia, Sixth Edition
calcination , in metallurgy , process of heating...the extraction of metals from ores. Calcination is distinguished from drying, in which...air to oxidize impurities. Originally calcination meant the method of obtaining lime...
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Chardenon, Jean Pierre
Dictionary entry from: Complete Dictionary of Scientific Biography
...of the weight increase of metals on calcination, deposited with the Dijon Academy in...believed that the only change during calcination was the loss of phlogiston, and he...that the gain in weight of a metal on calcination would be proportional to its phlogiston...
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Guyton De Morveau, Louis Bernard
Dictionary entry from: Complete Dictionary of Scientific Biography
...engaged in research on combustion and calcination; and after his death in 1769 Guyton...the reason why metals gain weight on calcination, but Guyton pointed out that no one...chemists were due to some effect other than calcination. In order to explain why a metal containing...
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Antoine Laurent Lavoisier
Encyclopedia entry from: Encyclopedia of World Biography
...that gain in weight by combustion and calcination: and I am persuaded that the increase...the air which combined with metals on calcination and increased the weight might be Black...Lavoisier carried out experiments on the calcination of tin and lead in sealed vessels which...
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Rey, Jean
Dictionary entry from: Complete Dictionary of Scientific Biography
...heaviness ” of air explained the increased weight on calcination; it resulted denser, heavier, and in some measure adhesive...anticipation of Lavoisier ’ s recognition in 1772 that calcination involves combination with air. In 1775 Pierre Bayen drew...
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