Results 41 to 50 of about 228,776 (230)

Metodología de análisis de la condición del pavimento a partir del cuenco de deflexión

Infraestructura Vial, 2015
Se expone una propuesta metodológica para la evaluación de pavimentos flexibles, de interés en los proyectos de rehabilitación de carreteras; En esa dirección se muestra un procedimiento para el diagnóstico y propuesta de solución de rehabilitación del ...
Ing. Carlos Andrade Neto, Dr. Ing. Iván Andrade Neto, Dr. Ing. Jorge Rufino   +2 more
doaj   +1 more source

Coffea arabica und C. canephora – Kaffeestrauch (Rubiaceae) [PDF]

, 2013
Der Kaffeestrauch gehört zu der großen, weltweit verbreiteten Pflanzenfamilie der Rubiaceae (Rötegewächse) und hier zur Gattung Coffea. Die am häufigsten kultivierten Arten sind C.
Buch, Corinne, Höggemeier, Annette
core  

Digitisation of herbarium specimens to the benefit of research: An African perspective focusing on South Africa and Western Indian Ocean Island states

PLANTS, PEOPLE, PLANET, EarlyView.
Botanical exploration, discovery and conservation rely heavily on access to herbarium collections. Recently, digital access to label information, including georeferenced locality data, and images of herbarium specimens available online have greatly increased usage of herbarium specimen data.
Ronell R. Klopper, Hester M. Steyn, Cláudia Baider, Benny Bytebier, Anisha Dayaram, F. B. Vincent Florens, Nivohenintsoa Rakotonirina, Domitilla Raimondo, Marc Sosef, M. Marianne le Roux   +9 more
wiley   +1 more source

Eflornithine is a cost-effective alternative to melarsoprol for the treatment of second-stage human West African trypanosomiasis in Caxito, Angola. [PDF]

, 2008
OBJECTIVE: To compare the cost-effectiveness of eflornithine and melarsoprol in the treatment of human African trypanosomiasis. METHOD: We used data from a Médecins Sans Frontières treatment project in Caxito, Angola to do a formal cost-effectiveness ...
Adam, Blum, Burri, Burri, Chappuis, Commission for Macroeconomics and Health, Edejer, Evans, Goldie, Legros, Louis, Lutumba, Matovu, Murray, Murray, Pepin, Pepin, Pepin, Politi, Priotto, Robays, Schmid, Schmid, Stanghellini   +23 more
core   +2 more sources

On an Aggregation Theory for Indicators Expressing Behaviors of Complex Systems With an Application to Sustainability

Sustainable Development, EarlyView.
ABSTRACT Certain attributes of large‐scale complex systems are often expressed through sets of indicators. For example, the sustainability of an entity, be it a nation, a city, an energy system, a corporation etc., can be effectively represented by indicators and corresponding data series.
Vassilis S. Kouikoglou, Yannis A. Phillis   +1 more
wiley   +1 more source

La Guajira colombiana: Una economía de bonanza

Jangwa Pana, 2013
La sociedad guajira, ubicada en la zona árida del caribe colombiano, considerada como expresión de diversidad étnica y convivencia, presenta una unidad de prácticas económicas que devienen de su tradición histórico-cultural de las periódicas bonanzas y ...
Alexis Carabalí Angola
doaj  

Vasculitis: an unusual manifestation in an HIV-infected patient

Brazilian Journal of Infectious Diseases, 2015
Human immunodeficiency virus (HIV) positive patients may develop vasculitis, either mediated by immunological factors or by direct vascular injury.
Ana Manuel, Tânia Victório, Constança Gomes, Telmo Martins, António Dias Neto   +4 more
doaj   +1 more source

'The time of the leaflet': pamphlets and political communication in the UPA (Northern Angola, around 1961) [PDF]

, 2015
In March 1961, war broke out in Northern Angola. The Portuguese authorities attributed the violence to the UPA - a nationalist movement led by Northern Angolan immigrants resident in Congo.
Brinkman, Inge
core   +1 more source

Anti‐Globalization Dynamics and Africa's Structural Transformation: Identifying Avoidable Environmental Degradation Thresholds

Sustainable Development, EarlyView.
ABSTRACT This study pursues a dual objective. First, it investigates the unconditional impact of anti‐globalization on structural transformation in Africa. Second, it explores how environmental degradation interacts with anti‐globalization to influence structural transformation. The analysis focuses on 52 African countries over the period 2005–2023. To
Simplice A. Asongu, Ekene ThankGod Emeka
wiley   +1 more source

Genesis y desarrollo historico de los afrocaribeños

Jangwa Pana, 2014
El caribe colombiano, es como la nación colombiana una region de diversidad etnica que se resiste a transformar estructura social y sus practicas politicas a pesar que tuvo una constitucion que promulgo las bases de dicha transformación hoy ya hace mas ...
Alexis Caraball Angola
doaj