Results 41 to 50 of about 17,202 (210)

Digestibilidade do fósforo de alimentos de origem vegetal determinada em suínos em crescimento e terminação Phosphorus digestibility from vegetal feed origins determined in growing and finishing pigs

open access: yesRevista Brasileira de Zootecnia, 2008
Objetivou-se determinar os coeficientes de digestibilidade aparente (CDAP) e verdadeira (CDVP) do fósforo de 11 alimentos de origem vegetal utilizados na alimentação de suínos.
Silvano Bünzen   +5 more
doaj   +1 more source

Deposition and transport of functionalized carbon nanotubes in water-saturated sand columns [PDF]

open access: yes, 2012
Knowledge of the fate and transport of functionalized carbon nanotubes (CNTs) in porous media is crucial to understand their environmental impacts. In this study, laboratory column and modeling experiments were conducted to mechanistically compare the ...
Carpena, Rafael Munoz   +6 more
core   +3 more sources

Avanços metodológicos na determinação do consumo de ruminantes em pastejo Advances in methods for determining animal intake on pasture

open access: yesRevista Brasileira de Zootecnia, 2007
Avanços metodológicos são, usualmente, conseqüência direta de avanços conceituais e tecnológicos. No caso da estimativa do consumo em pastejo, os recentes avanços conceituais relativos ao processo de busca e apreensão da forragem pelo ruminante ...
Paulo César de Faccio Carvalho   +5 more
doaj   +1 more source

Comportamento de pastejo e ingestão de forragem por novilhas de corte em pastagens de milheto e papuã Grazing behavior and forage ingestion by beef heifers on pearl millet and alexander grass pastures

open access: yesRevista Brasileira de Zootecnia, 2011
Foram estudados o desempenho, o comportamento e a ingestão de forragem por novilhas de corte em pastagem de milheto (Pennisetum americanum (L.) Leeke) e papuã (Urochloa plantaginea) no período de janeiro a abril de 2008. Foi utilizado o método de pastejo
Vagner Guasso da Costa   +5 more
doaj   +1 more source

Layer-by-layer polypyrrole coated graphite oxide and graphene nanosheets as catalyst support materials for fuel cells [PDF]

open access: yes, 2013
For the production of advanced types of catalyst support materials, the distinguished properties of graphene nanosheets were combined with the structural properties of conducting polypyrrole by the incorporation of graphene nanosheets into a polymer ...
Alkan Gursel, Selmiye   +4 more
core   +2 more sources

Evaluation of fecal recovering and long term bias of internal and external markers in a digestion assay with cattle Recuperação fecal e vício de tempo longo de indicadores internos e externos em ensaio de digestão com bovinos

open access: yesRevista Brasileira de Zootecnia, 2011
The objective of this work was to estimate the total recovering and the long term bias of the estimates of fecal excretion using the external markers chromic oxide and titanium dioxide and internal markers indigestible dry matter (iDM), indigestible ...
Cláudia Batista Sampaio   +5 more
doaj   +1 more source

Fecal excretion patterns and short term bias of internal and external markers in a digestion assay with cattle Perfis de excreção fecal e vício de tempo curto de indicadores internos e externos em ensaio de digestão com bovinos

open access: yesRevista Brasileira de Zootecnia, 2011
The objective of this work was to evaluate the fecal excretion profile and the short term bias of the external markers chromic oxide and titanium dioxide and the internal markers indigestible dry matter (iDM), indigestible neutral detergent fiber (iNDF ...
Cláudia Batista Sampaio   +5 more
doaj   +1 more source

Development of dispersion strengthened chromium alloys Summary report [PDF]

open access: yes
Dispersion strengthened chromium alloys with minimal quantities of interstitial ...
Abrams, E. F.   +3 more
core   +1 more source

Use of markers to determine the ileal digestibility of amino acids for swine Uso de indicadores para determinar a digestibilidade ileal de aminoácidos para suínos

open access: yesCiência e Agrotecnologia, 2013
Many markers can be used in digestibility assays for swine, but needs to be evaluated before its use. An assay was carried out with the objective of measuring the coefficients of ileal apparent (CIAD) and standardized digestibility (CISD) of amino acids ...
Paulo Cesar Pozza   +5 more
doaj  

A critical study of the role of the surface oxide layer in titanium bonding [PDF]

open access: yes
Scanning electron microscope/X-ray photoelectron spectroscopy (SEM/XPS) analysis of fractured adhesively bonded Ti 6-4 samples is discussed. The text adhesives incuded NR 056X polyimide, polypheylquinoxaline (PPQ), and LARC-13 polyimide.
Dias, S., Wightman, J. P.
core   +1 more source

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