Results 21 to 30 of about 95,716 (201)
Comparación del método de cilindro y de probeta para determinar la densidad aparente del suelo
Idesia (Arica)Berthin Ticona-Cortavitarte +2 more
openaire +3 more sources
Tecnologia em Metalurgia Materiais e Mineração, 2014 The work consists in evaluating the results of physical indices (apparent porosity, water absorption and apparent density) obtained in granitoids exploited as ornamental and revetment stones in the state of Sao Paulo and Espirito Santo. The results of physical indices were qualified as parameters specification published by Abirochas use and compared ...
Ana Paula Meyer +3 more
openaire +1 more source
Movimento e inativação do metribuzin em materiais de dois solos, sob diferentes densidades aparentes [PDF]
Planta Daninha, 1980 Numa série de ensaios em laboratório e casa-de-vegetação, estudou-se a mobilidade e a inativação do herbicida metribuzin em materiais de um Latossolo e de um Podzólico representativos de duas regiões do Estado de Minas Gerais, em função de diferentes densidades aparentes.
Fontes, L.E.F. +2 more
openaire +3 more sources
Variabilidad radial física y anatómica del leño de árboles de Amburana cearensis
Colombia Forestal, 2018 Existen pocos estudios relacionados con microdensitometría de rayos X en madera de bosques tropicales nativos. Este estudio tuvo como objetivo determinar la variación radial de la densidad aparente del leño de Amburana cearensis (Allemão) A.C.Sm.
Leif Armando Portal Cahuana +6 more
doaj +1 more source
European Journal of Soil Science, Volume 76, Issue 3, May–June 2025.ABSTRACT The lack of soil data is a complication that most soil scientists will encounter throughout their career; this critical aspect is exacerbated due to the excessive cost of soil surveying. Consequently, it is essential to develop strategies that guarantee the permanent accessibility of past soil sampling efforts.
Carlos E. Arroyo‐Cruz +5 more
wiley +1 more source
The Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley +1 more source
New system and methodology for avoiding calibers in ceramic tile production [PDF]
, 2010 MACER, S.L, in collaboration with the Institute of Ceramic Technology, has developed a comprehensive control system of the pressing operation called CALIBREUNICO® which keeps constant in time the bulk density of all the ceramic pieces shaped in an ...
Boix, Juan +3 more
core +1 more source
Revista de Investigaciones Universidad del Quindío, 2017 Se analizaron las propiedades físicas (aptitud cerámica) y químicas (Fluorescencia de rayos X FRX) de cuatro materias primas (arcilla Peracos, arcilla La Alejandra, Caolín HS-801 A y mezcla Táchira), logrando obtener indicadores de medición a través de ...
Jorge Sánchez Molin +2 more
doaj +1 more source
Demo 92. Balanza hidrostática con dinamómetro. Densidad de sólidos [PDF]
, 2013 Objetivo: Estimar la densidad de un objeto a partir de la diferencia entre su peso en aire (peso real) y su peso en un determinado fluido (peso aparente)
Jiménez Muñoz, Juan Carlos
core
Aumento del módulo dinámico en madera densificada. Evaluación con ondas de esfuerzo en ocho especies
AIA Avances en Investigación Agropecuaria, 2020 El objetivo de la investigación fue densificar madera de Cupressus lindleyi, Cidrera odorata, Swietenia macrophylla, Tabebuia donnell-smithii, Fraxinus uhdei, Fagus mexicana, Albergue paloescrito y Guazuma ulmifolia.
Javier Ramón Sotomayor Castellanos +3 more
doaj