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Este experimento foi conduzido com o objetivo de avaliar o efeito do cruzamento entre vacas 1/2 Nelore 1/2 Charolês com touros Charolês e 1/2 Charolês 1/2 Nelore com touros Nelore, sobre as características de carcaç...

Foram analisados os constituintes sangüíneos de oito cabras leiteiras cruza Saanen lactantes, entre novembro (1997) e maio (1998), submetidas a dois sistemas de produção ¾ pastagem (S1) e semiconfinamento (S2) ¾ e ...

Foram analisadas 160 amostras de queijo-de-minas frescal artesanal, adquiridas no comércio varejista dos municípios de Poços de Caldas - MG e Jaboticabal - SP, a fim de verificar a ocorrência de bactérias do gênero...

Neste trabalho estudou-se a regeneração natural de três hectares, em floresta ombrófila de terra - firme na região do rio Urucu no município de Coari -Am ( 40 51' 18" e 40 52' 16" S; 650 17' 58" e 650 20' 01" W), a...

Networking together hundreds or thousands of cheap microsensor nodes allows users to accurately monitor a remote environment by intelligently combining the data from the individual nodes. These networks require robust wi...

Campylobacter jejuni, reconocido causante de diarrea en el hombre, tiene como reservorio natural a las aves. La producción de pollos camperos tiene características particulares que pueden influir en la proporción de a...

The present survey indicates that there are about 441 fish species in Argentina, distributed throughout the country; this number represents less than 10% of the total fish species occurring in the Neotropical Region. The...

A computer is generally considered to be a universal computational device; i.e., it is believed able to simulate any physical computational device with a cost in computation time of at most a polynomial factor: It is not...

At high concentrations, free radicals and radical-derived, nonradical reactive species are hazardous for living organisms and damage all major cellular constituents. At moderate concentrations, however, nitric oxide (NO)...

The optical properties of metal nanoparticles have long been of interest in physical chemistry, starting with Faraday's investigations of colloidal gold in the middle 1800s. More recently, new lithographic techniques as ...

The Cambridge Structural Database (CSD) now contains data for more than a quarter of a million small-molecule crystal structures. The information content of the CSD, together with methods for data acquisition, processing...

Materias / palabras clave: Blood pressure; Medicine; Stroke (engine); Prospective cohort study; Internal medicine; Cardiology; Meta-analysis; Cause of death; Disease; Mechanical engineering; Engineering

Materias / palabras clave: Medicine; Clinical Practice; Intensive care medicine; Family medicine

Materias / palabras clave: Classifier (UML); Gene; Computer science; Feature selection; Redundancy (engineering); Gene selection; Support vector machine; Computational biology; sort; Artificial intelligence; Pattern recognition (psychology); Data ...

Materias / palabras clave: Stock (firearms); Economics; Financial economics; Stock market; Liberian dollar; Stock exchange; Monetary economics; Econometrics; Excess return; Expected return; Finance; Horse

Materias / palabras clave: Basic reproduction number; Ordinary differential equation; Stability (learning theory); Applied mathematics; Stability theory; Transmission (telecommunications); Manifold (fluid mechanics); Mathematics; Simple (philosoph...

Materias / palabras clave: Action (physics); Epistemology; Sociology; Cognitive science; Psychology; Philosophy; Physics; Quantum mechanics

Materias / palabras clave: Cynicism; Psychology; Burnout; Work engagement; Confirmatory factor analysis; Structural equation modeling; Social psychology; Emotional exhaustion; Clinical psychology; Statistics; Chemistry; Mathematics

A partir de registros de 420 estudiantes se analizaron las siguientes variables: año de ingreso (AI), año de nacimiento (AN), número de materias cursadas (nca) y número de exámenes finales de primer año aprobados (...

Los nematodos parásitos causan enfermedades importantes al hombre y a los animales domésticos. El control de estas infecciones se apoya fundamentalmente en el tratamiento con antihelmínticos; lamentablemente, se han i...

La pulpa fresca de citrus es un suplemento energético (TND > 80%) con escasa concentración proteica (7-8%), por lo que requiere nitrógeno adicional cuando se destina a la alimentación de ganado en crecimiento. El pro...

La rabia es una enfermedad infecciosa, zoonótica, caracterizada por alteraciones del sistema nervioso, producida por el virus de la rabia, perteneciente al Género Lyssavirus de la Familia Rhabdoviridae. Es habitualment...

El presente trabajo reconoce tres fuentes básicas. La primera de ellas se relaciona con mi propia experiencia docente, la cual estuvo fuertemente marcada por la recuperación de la democracia en Argentina. Este hecho pe...

A Monte Carlo study compared 14 methods to test the statistical significance of the intervening variable effect. An intervening variable (mediator) transmits the effect of an independent variable to a dependent variable....