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Authors: Zsuzsanna Kispál-Vitai, Yann Regnard, Klara Kövesi and Claude-André Guillotte

1 ( 4 ): 113 – 125 . van Bekkum , O. F. ( 2001 ): Cooperative Models and Farm Policy Reform . Exploring Patterns in Structure–Strategy Matches of Dairy Cooperatives

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2004 32 1525 1544 Forgács, C. (2008): Leadership and Importance of Social Capital in Cooperatives during Transition: A

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. Mikami, K. (2003): Market Power and the Form of Enterprise: Capitalist Firms, Worker-owned Firms and Consumer Cooperatives. Journal of Economic Behaviour &Organization 52 : 533-552. Market Power and the Form of Enterprise

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EACB (2010a): Key Cooperative Statistics . Available at: http://www.eurocoopbanks.coop/GetDocument.aspx?id=e3ad287b-0752-4531-85ee-f17bd0cd4226 . Accessed on: 10 May 2011 Key Cooperative

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, University of Edinburgh , UK . [2] Pudi S. , Sundara T. , Padmaja N. ( 2013 ), Performance analysis of cognitive radio based on cooperative

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Hunyadi , Attila 2007: A különböző szövetkezeti típusok és a szövetkezeti értékrend kialakulása [The different types of cooperatives and the emergence of cooperative values]. In: Somai , József (ed.): Szövetkezetek Erdélyben és Európában [Cooperatives

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Authors: Y. Rabkin and J. Lafitte-Houssat

Abstract  

The American Petroleum Institute (API) Research Project 6 has been chosen as a model to study the science organization in petroleum chemistry. The quantitative analysis of scientific publications, references, citations and citation lags elucidates the cooperative nature of Project 6.

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that glass transition still remains an intensively discussed issue. Most of researchers in the field consider that glass transition involves cooperative relaxation features, all of them agreeing both on kinetic and on thermodynamic behavior

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Abstract  

Activity shares in different types of research work for coauthors of scientific papers were detected by questionnaire methods. It was found e.g. that first authors perform about 70% of the total work needed for two authored papers, which decreases to 34% for papers with five authors. From Total Activity Shares determined for coauthors Total Team Contribution Factors could be calculated for cooperating teams. Total as well as Intramural and Extramural Team Cooperativeness for research teams were obtained by relating shares of impact factor scores for the investigated teams to the total.

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Abstract  

Dielectric relaxation and thermal transitions in β-PVDF have been investigated by Thermo-Stimulated Current spectroscopy and Differential Scanning Calorimetry respectively. A comparative study of spectra and thermograms has been performed. The relaxation mode associated with the glass transition of the true amorphous phase is characterized by relaxation times obeying a compensation law due to cooperative molecular movements. A conformationally disordered structure is proposed for β-PVDF to explain thermal events occurring around 60°C. Ageing of ferroelectric properties of β-PVDF has been associated with cooperative molecular movements liberated largely below the melting point.

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