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Resultats globals: 22 registres trobats en 0.02 segons.
Articles, 20 registres trobats
Documents de recerca, 2 registres trobats
Articles 20 registres trobats  1 - 10següent  anar al registre:
1.
14 p, 4.2 MB Ecological stoichiometric comparison of plant-litter-soil system in mixed-species and monoculture plantations of Robinia pseudoacacia, Amygdalus davidiana, and Armeniaca sibirica in the Loess Hilly Region of China / Lu, Senbao (Chinese Academy of Sciences. The Research Center of Soil and Water Conservation and Ecological Environment) ; Chen, Yunming (Northwest A&F University. Institute of Soil and Water Conservation) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
We examined how afforestation patterns impact carbon (C), nitrogen (N), and phosphorus (P) stoichiometry in the plant-litter-soil system. Plant leaf, branch, stem, and root, litter, and soil samples were collected from mixed-species plantations of Robinia pseudoacacia with Amygdalus davidiana (RPAD), R. [...]
2023 - 10.1016/j.fecs.2023.100123
Forest Ecosystems, Vol. 10 (2023) , art. 100123  
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2.
42 p, 2.1 MB Critical role of water conditions in the responses of autumn phenology of marsh wetlands to climate change on the Tibetan Plateau / Shen, Xiangjin (Chinese Academy of Sciences. Northeast Institute of Geography and Agroecology) ; Shen, Miaogen (Beijing Normal University. Faculty of Geographical Science. State Key Laboratory of Earth Surface Processes and Resource Ecology) ; Wu, Chaoyang (Chinese Academy of Sciences. Institute of Geographic Sciences and Natural Resources Research) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Ciais, Philippe (Université Paris-Saclay. Laboratoire des Sciences du Climat et de l'Environnement) ; Zhang, Jiaqi (Chinese Academy of Sciences. Northeast Institute of Geography and Agroecology) ; Freeman, Chris (Bangor University. School of Natural Sciences) ; Palmer, Paul I. (University of Edinburgh. School of GeoSciences) ; Liu, Binhui (Northeast Forestry University. College of Forestry) ; Henderson, Mark (Northeastern University. Mills College) ; Song, Zhaoliang (Tianjin University. School of Earth System Science. Institute of Surface-Earth System Science) ; Sun, Shaobo (Tianjin University. School of Earth System Science. Institute of Surface-Earth System Science) ; Lu, Xianguo (Chinese Academy of Sciences. Northeast Institute of Geography and Agroecology) ; Jiang, Ming (Chinese Academy of Sciences. Northeast Institute of Geography and Agroecology)
The Tibetan Plateau, housing 20% of China's wetlands, plays a vital role in the regional carbon cycle. Examining the phenological dynamics of wetland vegetation in response to climate change is crucial for understanding its impact on the ecosystem. [...]
2023 - 10.1111/gcb.17097
Global change biology, Vol. 30, Issue 1 (January 2023) , art. e17097  
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3.
9 p, 3.5 MB First fossil of Varanus Merrem (Squamata: Varanidae) from the Miocene Siwaliks of Pakistan / Villa, Andrea (Institut Català de Paleontologia Miquel Crusafont) ; Delfino, Massimo (Institut Català de Paleontologia Miquel Crusafont)
In the '50s of the XX century, a German expedition lead by Richard Dehm collected a large amount of fossil remains from northern Pakistan. Among these was an isolated trunk vertebra of a lizard, which is here referred to Varanus sp. [...]
Dans les années 50 du XXème siècle, une expédition allemande dirigée par Richard Dehm a recueilli une grande quantité de restes fossiles dans le nord du Pakistan. Parmi ceux-ci se trouvait une vertèbre isolée du tronc d'un lézard, qui est ici désigné comme Varanus sp. [...]
2022 - 10.5252/geodiversitas2022v44a7
Geodiversitas, Vol. 44, Issue 7 (February 2022) , p. 229-235  
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4.
21 p, 18.0 MB Neotectonics of Turkey (Türkiye) and surrounding regions : a new perspective with block modelling / Seyitoğlu, Gürol (Ankara University. Department of Geological Engineering. Tectonics Research Group) ; Aktuğ, Bahadır (Ankara University. Department of Geophysical Engineering) ; Esat, Korhan (Ankara University. Department of Geological Engineering. Tectonics Research Group) ; Kaypak, Bülent (Ankara University. Department of Geophysical Engineering)
This paper aims to present a new neotectonic perspective concordant with the seismic activities in Turkey and surrounding regions. The neotectonic structures have been re-evaluated mainly by using focal mechanism solutions and high-resolution satellite (Google Earth) images. [...]
2022 - 10.1344/GeologicaActa2022.20.4
Geologica acta, Vol. 20 (2022) , p. 1-21 (Articles)  
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5.
57 p, 664.2 KB Uniqueness property for 2-dimensional minimal cones in R3 / Liang, Xiangyu (Beihang University. School of Mathematics)
In this article we treat two closely related problems: 1) the upper semicontinuity property for Almgren minimal sets in regions with regular boundary; and 2) the uniqueness property for all the 2-dimensional minimal cones in R3 . [...]
2021 - 10.5565/publicacionsmatematiques.v65i1.383612
Publicacions matemàtiques, Vol. 65 Núm. 1 (2021) , p. 3-59 (Articles)  
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6.
14 p, 2.7 MB Origin of saponite-rich clays in a fossil serpentinite-hosted hydrothermal system in the crustal basement of the Hyblean Plateau (Sicily, Italy) / Manuella, Fabio C. (Università di Catania. Dipartimento di Scienze Biologiche, Geologiche e Ambientali) ; Carbone, Serafina (Università di Catania. Dipartimento di Scienze Biologiche, Geologiche e Ambientali) ; Barreca, Giovanni (Università di Catania. Dipartimento di Scienze Biologiche, Geologiche e Ambientali)
A diapiric intrusion of clays in the Carlentini Formation (Tortonian) was discovered in a quarry at S. Demetrio High (Hyblean Plateau, Sicily, Italy). Seven clay samples were analyzed by different analytical methods, including X-ray powder diffraction (XRD) and Fourier-transform infrared (FTIR) spectroscopy, to determine the composition and mechanism of formation (sedimentary vs. [...]
2012 - 10.1346/CCMN.2012.0600102
Clays and Clay Minerals, Vol. 60, Núm. 1 (2012) , p. 18-31  
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7.
13 p, 2.0 MB Oligocene clay mineralogy of the Linxia Basin : Evidence of paleoclimatic evolution subsequent to the initial-stage uplift of the Tibetan Plateau / Hong, Hanlie (China University of Geosciences. Faculty of Earth Sciences) ; Li, Zhaohui (University of Wisconsin. Geosciences Department) ; Xue, Huijuan (China University of Geosciences. Faculty of Earth Sciences) ; Zhu, Yunhai (China University of Geosciences. Faculty of Earth Sciences) ; Zhang, Kexin (China University of Geosciences. Faculty of Earth Sciences) ; Xiang, Shuyuan (China University of Geosciences. Faculty of Earth Sciences)
The clay mineral content of the Oligocene sediments in the Linxia Basin has been investigated using X-ray diffraction, scanning electron microscopy, and high-resolution transmission electron microscopy. [...]
2007 - 10.1346/CCMN.2007.0550504
Clays and Clay Minerals, Vol. 55, Núm. 5 (2007) , p. 491-503  
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8.
14 p, 2.6 MB Clay mineralogy of the Zhada sediments : Evidence for climatic and tectonic evolution since ~9 Ma in Zhada, southwestern Tibet / Hong, Hanlie (China University of Geosciences. Faculty of Earth Sciences) ; Wang, Chaowen (China University of Geosciences. Faculty of Earth Sciences) ; Zeng, Kefeng (China University of Geosciences. Faculty of Earth Sciences) ; Zhang, Kexin (China University of Geosciences. Faculty of Earth Sciences) ; Yin, Ke (China University of Geosciences. Faculty of Earth Sciences) ; Li, Zhaohui (University of Wisconsin-Parkside. Geosciences Department)
The clay mineralogy of the Zhada sediments was investigated, using X-ray diffraction and scanning electron microscopy, to obtain a better understanding of climatic change and uplift of the Himalayas in the Zhada region of Tibet. [...]
2012 - 10.1346/CCMN.2012.0600302
Clays and Clay Minerals, Vol. 60, Núm. 3 (2012) , p. 240-253  
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9.
31 p, 1.5 MB Critical temperature and precipitation thresholds for the onset of xylogenesis of Juniperus przewalskii in a semi-arid area of the northeastern Tibetan Plateau / Ren, Ping (Chinese Academy of Sciences. Institute of Tibetan Plateau Research) ; Rossi, Sergio (Rossi Heras) (Université du Québec à Chicoutimi. Département des Sciences Fondamentales) ; Camarero, Jesús Julio (Instituto Pirenaico de Ecología) ; Ellison, Aaron M. (Harvard University) ; Liang, Eryuan (Chinese Academy of Sciences. Institute of Tibetan Plateau Research) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Background and Aims. The onset of xylogenesis plays an important role in tree growth and carbon sequestration, and it is thus a key variable in modelling the responses of forest ecosystems to climate change. [...]
2018 - 10.1093/aob/mcx188
Annals of Botany, Vol. 121, Issue 4 (March 2018) , p. 617-624  
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10.
14 p, 617.6 KB First record of a Notosuchian crocodyliform from Italy / Dalla Vecchia, Fabio (Institut Català de Paleontologia Miquel Crusafont) ; Cau, Andrea (Museo Geologico Giovanni Capellini)
A serrated tooth from the Coniacian-Santonian (Upper Cretaceous) Polazzo fossil site (Karst, NE Italy) is the first record of a notosuchian crocodyliform from Italy. Although it shares synapomorphies with teeth referred to the European genus Doratodon and with the Gondwanan genus Araripesuchus, it is distinct in the unusual combination of features, suggesting the presence of a yet unreported notosuchian taxon in the Adriatic-Dinaric Carbonate Platform located in the Tethys between the Afroarabian continent and the North European landmass during Late Cretaceous times. [...]
2011
Rivista Italiana di Paleontologia e Stratigrafia, Vol. 117 No. 2 (July 2011) , p. 309-321  
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Articles : 20 registres trobats   1 - 10següent  anar al registre:
Documents de recerca 2 registres trobats  
1.
97 p, 3.1 MB Investigación de la biomecánica y mecanobiología de las fracturas de la meseta tibial mediante un modelo de elementos finitos / Carrera Fernandez, Ion ; Monllau García, Juan Carlos, dir. ; Gelber Ghertner, Pablo Eduardo, dir. ; Universitat Autònoma de Barcelona. Departament de Cirurgia
Las fracturas de la meseta tibial afectan a una gran articulación de carga como es la rodilla y son lesiones graves que conducen frecuentemente a anomalías funcionales. Para preservar la función normal de la rodilla, se debe mantener la congruencia articular, conservar el eje mecánico normal, asegurar la estabilidad de la fractura y recuperar el rango de movilidad completo. [...]
Tibial plateau fractures affect to the knee joint and they are injuries that often cause functional impairment. To preserve the normal function of the knee, articular congruence must be achieved, stable fixation must be obtained as well as physiological knee aligment in order to recover full range of motion. [...]
[Barcelona] : Universitat Autònoma de Barcelona, 2017.  
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2.
58 p, 529.7 KB Condensation of polyhedric structures onto soap films / Feuvrier, Vincent ; Centre de Recerca Matemàtica
We study the existence of solutions to general measure-minimization problems over topological classes that are stable under localized Lipschitz homotopy, including the standard Plateau problem without the need for restrictive assumptions such as orientability or even rectifiability of surfaces. [...]
Centre de Recerca Matemàtica 2009 (Prepublicacions del Centre de Recerca Matemàtica ; 871)  
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