Knowledge of the distribution of soil organic matter (SOM) fractions is important in managing soils toward a sustainable agricultural system ina tropical environment, However, data on Histosols in limited. This study developed 19 regions of Brazil. Soil organic matter was…

El artículo pretende una primera aproximación a las más actuales miradas sobre la concepción ampliada de ficción, entendida ésta como presentación de mundos posibles que producen conocimiento sobre lo real. Desde allí, se plantean algunos desafíos a los presupuestos convencionales…

Introducción: En los últimos años se han producido avances importantes en el campo de la autoprotección ante las infecciones. Por parte de los docentes que imparten temas relacionados con el campo de la autoprotección del personal de salud y la…

his dissertation analyzes how local knowledge improves environmental decisions. The premise is that controlling pollution and addressing public health disparities are not problems that professionals alone can solve. Concerned lay publics, especially low-income populations and people of color that experience…

by Robert W. Sommer., Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1992., Title as it appears in the M.I.T. Graduate List, June 1992: Building internal knowledge networks in multinational corporations, a study of cross-border research and development., Includes…

Aprender, desde un punto de vista sociocultural, está relacionado con cómo las personas se apropian de herramientas para
pensar y actuar en una comunidad de práctica. Esta perspectiva del aprendizaje tiene implicaciones sobre el diseño de las tareas y…

by Vignir Mar Haraldsson., Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Political Science, 2000., Includes bibliographical references (leaves 54-56).

BACKGROUND:Phylogenetic analyses based on datasets rich in both genes and species (phylogenomics) are becoming a standard approach to resolve evolutionary questions. However, several difficulties are associated with the assembly of large datasets, such as multiple copies of a gene per…

This paper describes an adaptive and autocalibrated method to track surfaces. To do so, a non time
dependent impedance control system is proposed. This method fuses visual and force information to track a
given trajectory maintaining the contact with the…

Metrics used on development of expert systems is not a well investigated problem area. This article suggests some metrics to be used to measure the maturity of the conceptualization process and the complexity of the decision process in the problem…