Results 51 to 60 of about 290,253 (216)

Caracterización comparativa de agregados obtenidos de rocas ígneas usados en construcción vial

Infraestructura Vial, 2014
El desempeño de los agregados minerales en la construcción vial con mezclas asfálticas, específicamente depende de una compleja interacción de los factores  entre los cuales el tipo de roca, la variación mineralógica y el estado general del material ...
Alexei Chiman, Larissa Chiman, Luis Enrique Sanabria Grajales, Jhon Wilson Correa Avello   +3 more
doaj   +1 more source

Transporte do amônio em colunas com agregados de um Latossolo vermelho distrófico. [PDF]

, 2015
Para descrever o transporte do íon amônio em diferentes classes de agregados de um Latossolo Vermelho distrófico realizou-se um experimento de laboratório cujos tratamentos corresponderam a um fatorial 3 x 5, sendo: três fontes de NH4 + [(NH4)2SO4, NH4Cl
ARAÚJO, C. A. de S., COELHO, F. C., DUARTE, M. A., FERREIRA, P. A., FRANÇA, G. E. de, RUIZ, H. A.   +5 more
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The value added of solidarity economies: Bureaucratic constructions of value for alternative economic policy in Ecuador

Economic Anthropology, Volume 12, Issue 1, January 2025.
Abstract The National Institute of the Popular Solidarity Economy (IEPS) in Ecuador was created to promote an alternative form of economy—the Popular Solidarity Economy (PSE). As a precarious institute with limited funding, IEPS staff worked hard to find alternative ways to support the PSE.
Alexander D'Aloia
wiley   +1 more source

Effect of aggregate size and superficial horizon differentiation on the friability index of soils cultivated with sugar cane: a multivariate approach

Agronomía Colombiana, 2015
Soil friability is a physical property that provides valuable information for minimizing energy consumption during soil tillage and for preparing the edaphic medium for plant development.
Edgar Alvaro Avila P., Fabio Rodrigo Leiva, Enrique Darghan C., Raúl Madriñán M.   +3 more
doaj   +1 more source

Clasificación de la fracción fina de materiales para base granular provenientes de fuentes de material del municipio de Cundinamarca, a partir de su valor de azul de metileno y equivalente de arena. [PDF]

, 2016
Trabajo de investigaciónEn el campo de la ingeniería de pavimentos, los agregados pétreos constituyen un pilar importante en la estructura de un proyecto vial.
Olivos-Velásquez, Mayra Alejandra, Vega-Moreno, José Fernando   +1 more
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Understanding clerical decisions in granting social assistance: Insights from national social security officials in Brazil

International Social Security Review, Volume 78, Issue 1, Page 29-56, January/March 2025.
Abstract Street‐level professionals, such as social workers, shape policy implementation by exerting discretion. However, it remains unclear how other street‐level bureaucrats (SLBs), who are not considered to hold a professional status and who perform highly regulated activities, can do the same. Even though the decision‐making leeway of these SLBs is
Luiz Alonso de Andrade, Elias Pekkola
wiley   +1 more source

Avaliação da qualidade estrutural de solos sob uso agrícola no município de Sobradinho-BA. [PDF]

, 2013
O processo de estruturação do solo se refere ao arranjo das partículas formando agregados e consiste uma importante característica que influencia a capacidade de infiltração da água, a aeração do solo e a penetração das raízes.
MENDES, A. M. S., OLSZEVSKI, N., PEREIRA, J. S.   +2 more
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Enlisting toddler cooperation through structure and autonomy support: The amplifying role of suboptimal relationship mutuality

Infant Mental Health Journal: Infancy and Early Childhood, Volume 45, Issue 6, Page 670-682, November 2024.
Abstract Regular repair of normative mother‐toddler conflict is required for relational health; yet, we still need improved delineation of regulation strategies that can promote child cooperation. Contemporary conceptualizations of positive parenting propose that structure and autonomy support each facilitate children's optimal engagement; however ...
Adriana Molitor, Hui‐Chin Hsu, Katherine Eulau, Robert A. Brewster   +3 more
wiley   +1 more source

Ligantes obtidos por activação alcalina de lamas residuais das Minas da Panasqueira: parte III: influência dos agregados na resistência e microestrutura [PDF]

, 2007
Neste artigo analisa-se de que forma diferentes tipos de agregados contribuem para a resistência à compressão de argamassas obtidas por activação alcalina de lamas residuais das Minas da Panasqueira (AALRM).
Gomes, J. P. Castro, Jalali, Said, Pacheco-Torgal, F.   +2 more
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Mining threats in high‐level biodiversity conservation policies

Conservation Biology, Volume 38, Issue 4, August 2024.
Abstract Amid a global infrastructure boom, there is increasing recognition of the ecological impacts of the extraction and consumption of construction minerals, mainly processed as concrete, including significant and expanding threats to global biodiversity.
Aurora Torres, Sophus O. S. E. zu Ermgassen, Laetitia M. Navarro, Francisco Ferri‐Yanez, Fernanda Z. Teixeira, Constanze Wittkopp, Isabel M. D. Rosa, Jianguo Liu   +7 more
wiley   +1 more source