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Resultats globals: 6 registres trobats en 0.02 segons.
Articles, 6 registres trobats
Articles 6 registres trobats  
1.
11 p, 2.1 MB Swelling behavior of Na- and Ca-montmorillonite up to 150°c by in situ x-ray diffraction experiments / Morodome, Shoji (Tokyo Institute of Technology. Department of Earth and Planetary Sciences) ; Kawamura, Katsuyuki (Tokyo Institute of Technology. Department of Earth and Planetary Sciences)
The effects of temperature on the swelling properties of smectites are important for a variety of different geological conditions, but studies on this topic have been rather limited. The purpose of this study was to investigate the swelling behavior of Na- and Ca-montmorillonite at various temperatures greater than room temperature, up to 150°C, using in situ X-ray diffraction (XRD) analysis. [...]
2009 - 10.1346/CCMN.2009.0570202
Clays and Clay Minerals, Vol. 57, Núm. 2 (2009) , p. 150-160  
Registre complet -
2.
12 p, 1.0 MB Water retention of two natural compacted bentonites / Villar, M. V. (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (Espanya))
This work presents the water retention curves obtained for two natural bentonites compacted at different dry densities. The density of the bentonite was kept constant during the determination, for which specific methodologies were developed. [...]
2007 - 10.1346/CCMN.2007.0550307
Clays and Clay Minerals, Vol. 55, Núm. 3 (2007) , p. 311-322  
Registre complet -
3.
8 p, 734.2 KB Simultaneous intercalation of two quaternary phosphonium salts into montmorillonite / Ganguly, Saheli (Central Glass and Ceramic Research Institute) ; Dana, Kausik (Central Glass and Ceramic Research Institute) ; Mukhopadhyay, Tapas Kumar (Central Glass and Ceramic Research Institute) ; Ghatak, Sankar (Central Glass and Ceramic Research Institute)
Intercalation of montmorillonites with a mixture of intercalates has not been studied extensively. The objective of the present investigation was to study the effects of phosphonium-based intercalate mixtures on the properties (organic loading and basal spacing) of montmorillonite. [...]
2011 - 10.1346/CCMN.2011.0590104
Clays and Clay Minerals, Vol. 59, Núm. 1 (2011) , p. 13-20  
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4.
11 p, 749.2 KB In situ X-ray diffraction study of the swelling of montmorillonite as affected by exchangeable cations and temperature / Morodome, Shoji (Kunimine Industries Co. Research Laboratories) ; Kawamura, Katsuyuki (Okayama University. Graduate School of Environmental Science)
The swelling property of smectite is dominated by the hydration of exchangeable cations in the interlayer spacing ('interlayer hydration'). By investigating systematically the swelling behavior of various exchangeable cations with different valences and ionic radii, the interlayer hydration of smectite was explored. [...]
2011 - 10.1346/CCMN.2011.0590205
Clays and Clay Minerals, Vol. 59, Núm. 2 (2011) , p. 165-175  
Registre complet -
5.
8 p, 627.7 KB Selective-Area-Grown Semiconductor-Superconductor Hybrids : A Basis for Topological Networks / Vaitiekenas, Saulius (University of Copenhagen) ; Whiticar, A. M. (University of Copenhagen) ; Deng, M. T. (University of Copenhagen) ; Krizek, Filip (University of Copenhagen) ; Sestoft, Joachim E. (University of Copenhagen) ; Palmstrøm, C. J. (University of California. Materials Department) ; Martí-Sánchez, Sara (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Krogstrup, Peter (University of Copenhagen) ; Casparis, Lucas (University of Copenhagen) ; Marcus, Charles M. (University of Copenhagen)
We introduce selective area grown hybrid InAs/Al nanowires based on molecular beam epitaxy, allowing arbitrary semiconductor-superconductor networks containing loops and branches. Transport reveals a hard induced gap and unpoisoned 2e-periodic Coulomb blockade, with temperature dependent 1e features in agreement with theory. [...]
2018 - 10.1103/PhysRevLett.121.147701
Physical review letters, Vol. 121, Issue 14 (October 2018) , art. 147701  
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6.
6 p, 194.8 KB Contribución al conocimiento del abejaruco común Merops apiaster en la provincia de Sevilla / Blancat, J. (Universidad de Sevilla. Unidad de Etología) ; Jurado, Pedro (Universidad de Sevilla. Unidad de Etología) ; Jiménez-Moya, F. (Universidad de Sevilla. Unidad de Etología)
Se describen en este estudio dos colonias de nidificación del abejaruco común Merops apiaster, situadas en diferentes zonas de la provincia de Sevilla. Para el estudio se hace una descripción de las zonas donde se localizan las dos colonias estudiadas y tarnbién se han definido una serie de variables respecto a la disposición y estructura de la galeria de nidificación: disposición del nido sobre el terreno, ejes horizontal y vertical de la galeria de nidificación, distancia horizontal y vertical entre galerias adyacentes, y longitud de la galeria de nidificación. [...]
In the present work, two colonies of bee eaters Merops apiaster, located in different zones of the province of Seviile, both on cliffs, have been described. A primary description of two areas of study is made and two sets of variables have been defined, one in regard to nest relative position -vertical and horizontal distance between adjacent galleries, and in relation to ground levels- and the other related to the structure of the nesting gailery -horizontal and vertical axes, and length. [...]
1995
Orsis, V. 10 (1995) p. 99-104  
Registre complet - Creative Commons

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