Results 71 to 80 of about 36,245 (200)

Synthesis and characterisation of iron oxides: Effect of calcination temperature and their application as inorganic pigment

Coloration Technology, Volume 142, Issue 2, Page 222-235, April 2026.
Abstract This research aimed to investigate the effect of calcination temperature on the phase, morphological and optical properties of iron oxides: hematite (α‐Fe₂O₃), magnetite (Fe₃O₄) and goethite (α‐FeOOH), synthesised by co‐precipitation, aiming at their applications as pigments.
Felipe Leria Stefenon, Silvia Jaerger, Ricardo Schneider, Fauze Jacó Anaissi, Pedro Pablo González‐Borrero   +4 more
wiley   +1 more source

Effects of management practices on water yield in small headwater catchments at Cordillera de los Andes in southern Chile [PDF]

, 2009
In several parts of the world, drinking water is obtained from springs in natural and managed mountainous forests. Since forests regulate quality as well as quantity of water, the effects of forest-management activities on water yield are an important ...
Godoy, Roberto, Oyarzún, Carlos, Staelens, Jeroen, Verhoest, Niko   +3 more
core  

The Araucaria Project. The Distance to the Local Group Galaxy WLM from Cepheid Variables discovered in a Wide-Field Imaging Survey

, 2007
We have conducted an extensive wide-field imaging survey for Cepheid variables in the Local Group irregular galaxy WLM. From data obtained on 101 nights, we have discovered 60 Cepheids which include 14 of the 15 Cepheid variables previously detected by ...
Alejandro Garcia, Andrzej Udalski, Dante Minniti, Fabio Bresolin, Gieren W., Grzegorz Pietrzyński, Igor Soszyński, Marcin Kubiak, Michał Szymański, Olaf Szewczyk, Rolf-Peter Kudritzki, Ronald Mennickent, Schwarzenberg-Czerny A., Simon N. R., Udalski A., Udalski A., Udalski A., Udalski A., Udalski A., Wolfgang Gieren, Wozniak P., Łukasz Wyrzykowski   +21 more
core   +1 more source

La visión socio-política sobre el mundo primitivo en el pensamiento de Giambattista Vico [PDF]

, 2019
El presente ensayo pone de relieve cómo Vico fue uno de los pensadores modernos que se planteó el objetivo de reconstruir la historia del mundo primitivo.
Gualtieri, Gaetano Antonio
core   +2 more sources

Dietary supplementation with ALLPRO, a DHA source, for Nile tilapia reared under field conditions throughout cold season: Effects on growth performance, carcass and fillet quality, and economic feasibility

Journal of the World Aquaculture Society, Volume 57, Issue 2, April 2026.
Abstract This study evaluated the effects of dietary supplementation with ALLPRO, a source of docosahexaenoic acid (DHA—C22:6n‐3, 126 g kg−1 dry weight) and nucleotides (5 g kg−1 dry weight), on Nile tilapia farmed in southern Brazil during autumn, winter, and spring.
Vitor Mendes Lehmkuhl, Renata Oselame Nobrega, Débora Machado Fracalossi, James Eugene Pettigrew, Philip Lyons, Bruno Corrêa da Silva, Delano Dias Schleder   +6 more
wiley   +1 more source

O cultivo da araucária para produção de pinhões como ferramenta para a conservação

Plantation of Brazilian pine to nuts production as a conservation tool

[PDF]

Pesquisa Florestal Brasileira, 2012
A madeira da araucária (Araucaria angustifolia (Bertol.) O. Kuntze) teve grande importância econômica no Brasil, principalmente entre 1930 e 1970. O desmatamento ocasionou a redução drástica do tamanho populacional de araucária e atualmente ela integra ...
Moeses Andrigo Danner, Flávio Zanette, Juliana Zanetti Ribeiro   +2 more
doaj  

First Report of Lasiodiplodia theobromae Causing Needle Blight and Stem Canker Diseases on Araucaria heterophylla in Ethiopia

Journal of Horticultural Research, 2017
Canker and needle blight of Araucaria heterophylla (Norfolk Island pine) trees were observed during the surveys conducted in Addis Ababa and Adama cities (Ethiopia) from November to December 2016.
Darge Wendu Admasu
doaj   +1 more source

Critérios para condução do teste de tetrazólio em sementes de araucária [PDF]

Pesquisa Agropecuária Brasileira, 2016
Resumo: O objetivo deste trabalho foi desenvolver critérios para condução do teste de tetrazólio em sementes de araucária (Araucaria angustifolia), com maior rapidez de execução e caracterização detalhada dos grupos de viabilidade.
Bruna Ariane da Silva, José Luiz Nogueira, Elisa Serra Negra Vieira, Maristela Panobianco   +3 more
doaj   +1 more source

Polinização controlada em Araucaria angustifolia [PDF]

CERNE, 2012
Neste trabalho, objetivou-se determinar uma metodologia para polinização controlada em Araucaria angustifolia, visando ao melhoramento genético da espécie e o aumento da produção de pinhões, por meio do manejo com polinizações suplementares. Para tanto, foi desenvolvida uma metodologia de polinização controlada por meio de vários experimentos ...
Anselmini, Justina Inês, Zanette, Flávio   +1 more
openaire   +3 more sources

A New Unit‐Lindley Mixed‐Effects Model With an Application to Electricity Access Data

Environmetrics, Volume 37, Issue 2, March 2026.
ABSTRACT This paper introduces a novel unit‐Lindley mixed‐effects model (NULMM) within the generalized linear mixed model (GLMM) framework, designed for analyzing correlated response variables bounded within the unit interval. Parameter estimation was conducted via maximum likelihood, using Laplace approximation and adaptive Gaussian‐ Hermite ...
Nirajan Bam, Laxmi Prasad Sapkota, Josmar Mazucheli   +2 more
wiley   +1 more source