996 resultados para 24-233


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2010

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2010

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2010

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Cumbers, B., Urquhart, C. & Durbin, J. (2006). Evaluation of the KA24 (Knowledge Access 24) service for health and social care staff in London and the South-East of England. Part 1: Quantitative. Health Information and Libraries Journal, 23(2), 133-139 Sponsorship: KA24 - NHS Trusts, London

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Durbin, J. & Urquhart, C. (2003). Qualitative evaluation of KA24 (Knowledge Access 24). Aberystwyth: Department of Information Studies, University of Wales Aberystwyth. Sponsorship: Knowledge Access 24 (NHS)

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In this reported clinical case, a healthy and well-trained male subject [aged 37 years, maximal oxygen uptake (V[Combining Dot Above]O2max) 64 mL·kg·min] ran for 23 hours and 35 minutes covering 160 km (6.7 km/h average running speed). The analysis of hematological and biochemical parameters 3 days before the event, just after termination of exercise, and after 24 and 48 hours of recovery revealed important changes on muscle and liver function, and hemolysis. The analysis of urine sediments showed an increment of red and white blood cells filtrations, compatible with transient nephritis. After 48 hours, most of these alterations were recovered. Physicians and health professionals who monitor such athletic events should be aware that these athletes could exhibit transient symptoms compatible with severe pathologies and diseases, although the genesis of these blood and urinary abnormalities are attributable to transient physiological adaptations rather to pathological status.

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20 fotografías, nueve a color y once en tono de grises (los archivos digitales de algunas fotografías son de muy bajo pixelaje).

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En este estudio, de orden cualitativo, se aplicó un cuestionario a 17 estudiantes con déficit auditivo, 18 a 24 años de edad, para obtener información sobre su comprensión de los números naturales, sus operaciones y sus relaciones básicas. Registrados en papel, los reactivos se presentaron en lengua escrita, con términos sencillos. Se prescindió de intérprete en la lengua de señas mexicana para identificar directamente posibles dificultades de comprensión de los conceptos matemáticos implicados; además, la aspiración de los participantes en el estudio al acceso a un bachillerato en línea impone su dominio de la lengua escrita. Los resultados indican el predominio de un razonamiento aditivo sobre el multiplicativo y, a lo más, una abstracción pseudoempírica en edades que en los normoyentes corresponden a las etapas del pensamiento formal. La escasa y deficiente producción en lengua escrita referida a los reactivos sugiere investigar el empleo del método de logogenia para su adquisición en conjunción con la del conocimiento matemático.

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Regular plankton sampling off Plymouth by the Marine Biological Association (MBA) has been carried out from the early 1900s. Much of the sample analysis and description of the results was carried out by Sir Frederick Russell and Professor Alan Southward (AJS), the latter having completed the organisation and transfer of the paper records to digital files. The current authors have transferred the main data files of AJS on zooplankton and fish larvae to the MBA long-term database (including various editing and checking against original analysis records and published data) together with adding the data for 2002-2009. In this report the updated time-series are reviewed in the context of earlier work, particularly with respect to the Russell Cycle. It is not intended as an exhaustive analysis. Brief details of the sampling and comments on data processing are given in an appendix.

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The authors present here a list of 32 mosses belonging to 15 families: Brachytheciaceae, Cryphaeaceae, Entodontaceae, Hedwigiaceae, Hypnaceae, Leptodontaceae, Meteoriaceae, Neckeraceae, Pilotrichaceae, Polytrichaceae, Pterobryaceae, Racopilaceae, Rigodiaceae, Stereophyllaceae, and Trachypodaceae, all collected in the mountainous forests of the Yungas of the NW of the Argentina (Jujuy, Salta, Catamarca and Tucumán provinces), and also in the rainforests from the NE of the country (Misiones province). Eight species: Atrichum polycarpum, Chrysohypnum elegantulum, Pilosium chlorophyllum, Pilotrichella flexilis, Porotrichodendron lindigii, Pseudotrachypus martinicensis, Steerecleus scariosus, and Thamnobryum fasciculatum are new records for the bryologic flora from Argentina. Braunia imberbis and Squamidium brasiliense are two new records for the bryophytic flora of the Catamarca province; Porotrichodendron superbum is new for the Salta province, while Forsstroemia coronata is the first record for the Catamarca and Jujuy provinces. Aerolindigia capillacea, Braunia reflexifolia, Chryso-hypnum diminutivum, Meteorium deppei and Meteoridium remotifolium are five new citations for the Jujuy province, and Schoenobryum concavifolium is new for the bryophytic flora of the Misiones province. Many studied species occur more frequently in the Yungas than in the NE rainforests; others show separated distribution but live in both areas, the Yungas and Paranaense area, and others are more or less restricted to the Paranaense rainforest of the NE of Argentina. The taxonomy of species is updated, and comments are included on bibliographical precedents, ecology and chorology of each taxon.