Buscar recursos académicos

Clearing the clouds away from the true potential and obstacles posed by this computing capability.

Materias / palabras clave: Nitrate; Nitrite; Chemistry; Chromatography; Detection limit; Derivatization; Urine; Distilled water; Dilution; Mass spectrometry; Biochemistry; Organic chemistry

Software radios are emerging as platforms for multiband multimode personal communications systems. Radio etiquette is the set of RF bands, air interfaces, protocols, and spatial and temporal patterns that moderate the us...

Stiglitz and Weiss explain credit rationing in markets with imperfect information.

The commonly observed high diversity of trees in tropical rain forests and corals on tropical reefs is a nonequilibrium state which, if not disturbed further, will progress toward a low-diversity equilibrium community. T...

OBJECTIVE: To determine the incidence, cost, and outcome of severe sepsis in the United States. DESIGN: Observational cohort study. SETTING: All nonfederal hospitals (n = 847) in seven U.S. states. PATIENTS: All patients...

Recommender systems apply knowledge discovery techniques to the problem of making personalized recommendations for information, products or services during a liveinteraction. These systems, especially the k-nearest neigh...

The authors investigate the conceptualization and measurement of service quality and the relationships between service quality, consumer satisfaction, and purchase intentions. A literature review suggests that the curren...

Materias / palabras clave: Scale (ratio); Psychology; Agreement; Statistics; Level of measurement; Validation test; Econometrics; Social psychology; Psychometrics; Test validity; Clinical psychology; Mathematics

Statistical procedures for missing data have vastly improved, yet misconception and unsound practice still abound. The authors frame the missing-data problem, review methods, offer advice, and raise issues that remain un...

Materias / palabras clave: Biology; Gene; DNA microarray; Gene expression profiling; Gene expression; Oxidative phosphorylation; Genetics; Regulation of gene expression; Computational biology; Biochemistry

Comparative studies of the relationship between two phenotypes, or between a phenotype and an environment, are frequently carried out by invalid statistical methods. Most regression, correlation, and contingency table me...

The National High Blood Pressure Education Program presents the complete Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure. Like its predecessors, t...

The following paper presents current thinking and research on fit indices for structural equation modelling. The paper presents a selection of fit indices that are widely regarded as the most informative indices availabl...

In the past few years several methods have been developed for the analysis of serum lipoproteins. Lindgren, Elliott, and Gofman (1) have utilized the relatively low density of the lipoproteins to separate them from the o...

Materias / palabras clave: Cancer; Biology; Computational biology; Cancer research; Bioinformatics; Genetics

Examines how external constraints affect organizations and how to design and manage organizations under such constraints. Taking a resource dependence perspective on organizations, the book discusses basic components of ...

Behavioral scientists routinely publish broad claims about human psychology and behavior in the world's top journals based on samples drawn entirely from Western, Educated, Industrialized, Rich, and Democratic (WEIRD) so...

Materias / palabras clave: Political science; Politics; International relations; Political economy; Sociology; Law

The loss or failure of an organ or tissue is one of the most frequent, devastating, and costly problems in human health care. A new field, tissue engineering, applies the principles of biology and engineering to the deve...

Materias / palabras clave: Computer science; Segmentation; Tracing; Artificial intelligence; Context (archaeology); Reliability (semiconductor); Set (abstract data type); Image segmentation; Machine learning; Physics; Power (physics); Operating sy...

Fil: Borrastero, Carina Mariana. Universidad de Buenos Aires. Facultad de Ciencias Económicas. Instituto de Economía y Finanzas; Argentina. Fil: Borrastero, Carina Mariana. Consejo Nacional de Investigaciones Científi...

In this paper, the signal propagation characteristics of urban environments are predicted by modeling important propagation parameters of the Code Division Multiple Access (CDMA) network for macrocells. The MOPEM propaga...

Tres mesoiónicos 1,3,4-tiadiazolio-2-tiolato siete cloruros 1,3,4-triazolio-2-tiol se han sintetizado y se ha probado su actividad contra distintos microoganismos. Las estructuras químicas se determinaron por Análisis...