Results 31 to 40 of about 831,647 (217)
Pesquisa Agropecuária Brasileira, 2009 O objetivo deste trabalho foi avaliar o efeito do modo de aplicação do superfosfato triplo (SFT), do fosfato natural reativo de Gafsa e da mistura entre essas fontes no aproveitamento do fósforo (P) por plantas de milho e de soja.
Vinícius Ide Franzini +3 more
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Revista Brasileira de Zootecnia, 2010 Avaliaram-se dois modelos matemáticos no estudo do fluxo de fósforo no metabolismo de suínos com os objetivos de destacar o modelo mais eficiente e indicar a fonte de fósforo com maior potencial para uso na nutrição de suínos.
José Aparecido Moreira +3 more
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Isotopic carbon turnover in pig hoof and rib
Acta Scientiarum: Animal Sciences, 2021 The objective of this study was to evaluate the behavior of carbon incorporation and turnover in hoof and ribs of pigs at different periods of development in the search for tissues that reflect longer the former diet.
Regina Maria Nascimento Augusto Blaitt +6 more
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Nitrogen 15 abundance in protein fractions of beans fertilized with (15NH4)2SO4
Scientia Agricola, 2002 Studies evaluating the protein nutritive value of beans labelled with 15N, ussing nitrogen balance and the quantitation of faecal and urinary endogenous nitrogen, determined by isotopic dilution, have been extensively used. The objective of this research
Chaud Saula Goulart +2 more
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 1999 Determinaram-se as perdas endógenas mínimas, a exigência de fósforo e a absorção real do fósforo do fosfato bicálcico em suínos no final da fase de crescimento, pela técnica da diluição isotópica. Foram utilizados 20 leitões híbridos comerciais, com peso
J.B. Lopes +3 more
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Die Analyse von Calciumspuren im Gallium mit Hilfe der Isotopenverdünnungsmethoden
CHIMIA, 1962 With the help of isotopic dilution method it was possible to follow with great sensibility the comportment of the calcium during the purification processes of metallic gallium. The calcium-45 was added to alkaline solution of gallate. The electrolyse of
P. Lerch, C. Vuilleumier
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, 2014 Citation: 'isotope dilution' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.I03322 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire +1 more source
GC-MS METHODS FOR AMINO ACIDS DETERMINATION IN DIFFERENT BIOLOGICAL EXTRACTS
Studia Universitatis Babes-Bolyai Chemia, 2016 Sensitive, precise and accurate analytical methods for free amino acids determination in biological samples were developed. Purification by ion exchange technique was followed by two steps derivatization method to obtain trifluoroacetyl ester ...
Monica CULEA +4 more
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Production and characterization of 60Fe standards for accelerator mass spectrometry.
PLoS ONE, 2019 Accelerator Mass Spectrometry (AMS) is one of the most sensitive analysis techniques to measure long-lived radionuclides, reaching detection limits for isotopic ratios down to 10-15-10-16 in special cases.
Dorothea Schumann +2 more
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Revista Brasileira de Zootecnia, 2009 Objetivou-se avaliar a fonte de fósforo de melhor qualidade para uso na alimentação de suínos e que provoque menor impacto ambiental pela excreção de fósforo no ambiente.
José Aparecido Moreira +3 more
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