Results 61 to 70 of about 104,231 (234)
Caracterizacion física y reológica de un ligante asfáltico 60-70 modificado para mezclas asfálticas tibias [PDF]
, 2013 En la fabricación de mezclas asfálticas convencionales se ha generado un interés particular en el aspecto ambiental debido a la contaminación producida por los gases tóxicos que están contaminando el medio ambiente.
Aponte Cuitiva, María Fernanda +1 more
core
Modelo de competencias para el campo conceptual aditivo de las magnitudes discretas relativas [PDF]
, 1998 In this work we propose a competence model that allows us to organize the additive conceptual field for relative discrete magnitudes from the perspective of problem solving.
Hernández Domínguez, Josefa +2 more
core +1 more source
Risk assessment of food additives including dietary exposure
EFSA Journal, Volume 22, Issue S1, December 2024.Abstract Lately, the entire society's focus has turned towards consuming more natural food products and the production of chemicals obtained utilising green technologies. The use of chemicals as food additives is a concern for consumers. For this reason, the search for natural and more sustainable additives is a key step to control food risks while ...
Mădălina Lorena Medeleanu +3 more
wiley +1 more source
Revista Brasileira de Zootecnia, 2009 This trial had the objective of characterizing the microbial population and evaluating the aerobic stability of Marandu grass silages with pelleted citrus pulp (PCP). The collected forage was submitted to the following treatments: Silage of Marandu grass;
Thiago Fernandes Bernardes +2 more
doaj +1 more source
Clasificación de PAEV aditivos de una etapa con cantidades discretas relativas [PDF]
, 1997 Este estudio presenta una organización exhaustiva y aporta una nueva clasificación de las situaciones y problemas, basada en las cantidades, medidas y números enteros, del dominio de aplicación del campo conceptual aditivo de las magnitudes ...
Hernández, J. A. +2 more
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Re‐evaluation of saccharin and its sodium, potassium and calcium salts (E 954) as food additives
EFSA Journal, Volume 22, Issue 11, November 2024.Abstract This opinion deals with the re‐evaluation of saccharin and its sodium, potassium and calcium salts (E 954) as food additives. Saccharin is the chemically manufactured compound 1,2‐benzisothiazol‐3(2H)‐one‐1,1‐dioxide. Along with its sodium (Na), potassium (K) and calcium (Ca) salts, they are authorised as sweeteners (E 954).
EFSA Panel on Food Additives and Flavourings (FAF) +42 more
wiley +1 more source
Agronomía Mesoamericana, 2010 El objetivo del presente estudio fue cuantificar el impacto de efectos genéticos aditivos y no aditivos sobre días abie rtos (DA), edad a primer parto (EPP), vida productiva (VP) y producción de leche por día (KG) en cruces rotacionales Holstein×Jersey (HxJ) y Holstein×Pardo Suizo (HxPS).
Vargas Leitón, Bernardo +1 more
openaire +6 more sources
Revista Brasileira de Zootecnia, 2005 Os objetivos neste experimento foram avaliar os efeitos da inclusão de extrato de orégano (EO) como aditivo promotor de crescimento nas rações sobre o desempenho, o sistema imune (peso e tamanho da bursa de Fabricius, peso do baço e do timo), as ...
Ellen Hatsumi Fukayama +4 more
doaj +1 more source
Influencia del tipo de cemento sobre la fluidez de pastas y morteros característicos de hormigones de alta performance [PDF]
, 2004 El advenimiento de los aditivos superfluidificantes es uno de los principales factores intervinientes en el desarrollo de hormigones de altas prestaciones. Estos aditivos permiten una importante reducción del agua de mezclado a partir de la defloculación
Giaccio, Graciela Marta +3 more
core +1 more source
Multiple‐stressor effects on leaf litter decomposition in freshwater ecosystems: A meta‐analysis
Functional Ecology, Volume 38, Issue 7, Page 1523-1536, July 2024.Read the free Plain Language Summary for this article on the Journal blog. Abstract Recent years have witnessed a surge in research on the effects of multiple stressors in freshwater ecosystems. While studies have increased, the synthesis of their findings into a broader understanding of ecosystem‐level effects remains an ongoing endeavour. Leaf litter
Graciela Medina Madariaga +6 more
wiley +1 more source