Buscar recursos académicos

Typology is one of the fundamental archaeological methods that helps to organise large amounts of data and facilitates their handling. It is also used in castellology, where it categorises castles into various types, for...

Gas diffusion electrodes (GDEs) are promising for electrical CO2 reduction (CO2RR). Conventional laminate GDEs often suffer from unstable catalyst-substrate interfaces, flooding, salt precipitation, limited active sites,...

The percolation problem of interacting particles on square lattices with two kinds of energetically different sites is studied. Square lattices formed by collections of either randomly or orderly distributed sites are ge...

Objectives: To perform a multicentre study evaluating the performance of the direct nitrate reductase assay (NRA) for the detection of multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis in sputum...

Abstract Foot-and-mouth disease (FMD) is an infectious disease affecting pigs. The control of FMD in swine husbandry is very important because its outbreak results in a vast economic loss. FMD vaccination has effectively...

Background/purpose: In pectus excavatum (PE) patients owing to the location of the heart in the chest cavity, the most affected site of compression by the depressed chest wall is the right heart, and surgical repair has ...

Abstract To explore spatio-temporal dynamics and source fingerprinting of carbonaceous aerosols (CAs), a systematic year-long study was conducted in the urban environment of Jammu region, North-Western Himalayas. PM2.5 s...

A 25-year-old male patient with end-stage renal disease due to chronic pyelonephritis who had undergone renal transplantation was admitted 20 days after the operation with complaints of nausea, vomiting and darkening in ...

Abstract Residues of pharmaceuticals are gradually accumulating in surface water resources because of the disposal of wastewater effluent. For the present study, four surface water resources (rivers and streams) that rec...

Several forms of niobium oxide were prepared, including nanostructured mesoporous materials, and their acidity properties were comprehensively investigated and compared with commercially available materials. The composit...

The potential use of Sinelobus stanfordi (Richardson, 1901) (Crustacea, Tanaidacea) as a biological indicator of water quality in a temperate estuary of South America Sinelobus stanfordi (Richardson, 1901) is a euryhalin...

Este trabajo presenta los resultados del análisis de la arqueofauna del sitio inca Tambo de Punta de Balasto, localizado al sur del valle de Yocavil o Santa María (Catamarca, Argentina). Tambo de Punta de Balasto es un...

En poblaciones de Protousnea malacea (Stirt) Krog, liquen fruticuloso que crece en diferentes habitats, se estudiaron los niveles de acumulación de ácido úsnico -metabolito con propiedades antimicrobianas- en relació...

La red Internet ha pasado a ser una herramienta de trabajo además de ser un medio de comunicación. En este trabajo describimos los elementos básicos para un uso óptimo de la red: la terminología actual, el correo el...

El objetivo de esta investigación es definir y discutir una metodología cuantitativa, integral, robusta y flexible para la evaluación de la calidad en aplicaciones centradas en la Web. La metodología, de ahora en má...

Statistical testing with Markov Chain Usage Models is an effective method to be used by programmers and testers during web sites development, to guarantee the software reliability. The JUMBL software works on this models...

El conocimiento acerca de las preferencias espaciales representa una primera etapa para la comprensión de las interacciones entre los organismos y su ambiente. La lagartija de las dunas (Liolaemus multimaculatus) es una...

Este trabajo se encuadra dentro de un proyecto general orientado al análisis del aprovechamiento de los ambientes fluviales por parte de los grupos cazadores-recolectores en el Holoceno tardío. El área de trabajo eleg...

En el presente trabajo se analiza la estructura de la población prehistórica de la Quebrada de Humahuaca. La muestra empleada está constituida por 356 individuos (de edades postreproductivas, de ambos sexos, deformado...

El presente trabajo de Tesis Doctoral constituye el resultado de un proceso de investigación llevado a cabo en la región centro-oeste de la provincia de Catamarca, República Argentina. El objetivo general consistió e...

En este trabajo se presentan los resultados obtenidos al aplicar un conjunto de técnicas basadas en el uso de marcadores biológicos (morfológicos y métricos) del sexo en los individuos adultos de una colección osteo...

Tesis Energía y Ambiente (maestría) - Instituto Tecnológico de Buenos Aires, Buenos Aires - Karlsruher Institut für Technologie, Karlsruhe, 2024 The transition to renewable energy sources is reshaping energy systems ...

Abstract Polycyclic aromatic compounds (PACs) are known due to their mutagenic activity. Among them, 2-nitrobenzanthrone (2-NBA) and 3-nitrobenzanthrone (3-NBA) are considered as two of the most potent mutagens found in ...