Results 21 to 30 of about 40,083 (189)

RETIRADA DO SUPLEMENTO MICROMINERAL-VITAMÍNICO, REDUÇÃO DE FÓSFORO INORGÂNICO E ADIÇÃO DE FITASE EM RAÇÕES DE SUÍNOS NA FASE DE TERMINAÇÃO

open access: yesCiência Animal Brasileira, 2008
Para avaliar o efeito da retirada do suplemento micromineral-vitamínico associada à redução dos níveis de fósforo inorgânico e adição de fitase em rações, sobre o desempenho e as características de carcaça de suínos na fase de terminação, realizou-se um ...
Suelson Pereira dos Santos   +6 more
doaj   +1 more source

La adquisición de un equipo de alto desempeño como alternativa en la estrategia de crecimiento inorgánico

open access: yesCiencias Administrativas, 2017
En el presente artículo se analiza la adquisición de un equipo de alto desempeño (EAD) como una nueva alternativa de crecimiento inorgánico. El trabajo consiste en una reflexión teórica que se identifica a partir de una situación real de negocio ocurrida
Juan Miguel Ruiz de Villalba Flórez   +2 more
doaj   +1 more source

Rhenium(V) Complexes with Selenolato‐ and Tellurolato‐Substituted Schiff Bases – Released PPh3 as a Facile Reductant

open access: yesEuropean Journal of Inorganic Chemistry, Volume 2019, Issue 47, Page 4974-4984, December 19, 2019., 2019
Stable rhenium(V) complexes with selenolato‐ or tellurolato‐substituted Schiff bases are obtained from reactions of the corresponding dichalcogenides with PPh3‐containing rhenium(V) starting materials. The released phosphine ligands act as selective reducing agents for the dichalcogenides during such reactions.
Maximilian Roca Jungfer   +3 more
wiley   +1 more source

Study of the Equilibrium, Kinetics, and Thermodynamics of Boron Removal from Waters with Commercial Magnesium Oxide

open access: yesInternational Journal of Chemical Engineering, Volume 2018, Issue 1, 2018., 2018
In the present work, the equilibrium, thermodynamics, and kinetics of boron removal from aqueous solutions by the adsorption on commercial magnesium oxide powder were studied in a batch reactor. The adsorption efficiency of boron removal increases with temperature from 25°C to 50°C.
Javier Paul Montalvo Andia   +3 more
wiley   +1 more source

Synthesis, Characterization, Cytotoxic Activity, and Interactions with CT‐DNA and BSA of Cationic Ruthenium(II) Complexes Containing Dppm and Quinoline Carboxylates

open access: yesBioinorganic Chemistry and Applications, Volume 2017, Issue 1, 2017., 2017
The complexes cis‐[Ru(quin)(dppm)2]PF6 and cis‐[Ru(kynu)(dppm)2]PF6 (quin = quinaldate; kynu = kynurenate; dppm = bis(diphenylphosphino)methane) were prepared and characterized by elemental analysis, electronic, FTIR, 1H, and 31P{ 1H} NMR spectroscopies.
Edinaldo N. da Silva   +8 more
wiley   +1 more source

EFECTO DE DIFERENTES MULCHINGS SOBRE EL CRECIMIENTO DE UNA PLANTACIÓN DE DURAZNEROS (Prunus persicae L.) VARIEDAD OPODEPE EN ZAVALLA, PROVINCIA DE SANTA FE

open access: yesFave: Sección Ciencias Agrarias, 2019
El objetivo de esta investigación fue determinar el efecto de mulchings orgánicos e inorgánicos sobre el crecimiento de durazneros var. Opodepe en el sur de la Prov. de Santa Fe.
P. FLORES   +8 more
doaj   +1 more source

Obtaining Highly Crystalline Barium Sulphate Nanoparticles via Chemical Precipitation and Quenching in Absence of Polymer Stabilizers

open access: yesJournal of Nanomaterials, Volume 2015, Issue 1, 2015., 2015
Here we report the synthesis of barium sulphate (BaSO4) nanoparticles from Ba(OH)2/BaCl2 solutions by a combined method of precipitation and quenching in absence of polymer stabilizers. Transmission electron microscopy (HRTEM), Fourier transforms infrared spectroscopy (FTIR), and X‐ray diffraction (XRD) were employed to characterize the particles.
Ángela B. Sifontes   +9 more
wiley   +1 more source

EFEITO DE DIFERENTES FONTES E CONCENTRAÇÕES DE ZINCO NA MISTURA MINERAL SOBRE DESEMPENHO E CARACTERÍSTICAS SEMINAIS DE TOUROS JOVENS CRIADOS EM CAMPO

open access: yesCiência Animal Brasileira, 2007
Dezesseis tourinhos Nelore de aproximadamente 26 meses de idade mantidos em pasto foram submetidos a qua-tro diferentes suplementações de zinco na mistura mineral: Zn–0 (sem zinco); Zn 30FO (30 mg de Zn orgânico/Kg); Zn 30FI (30 mg de Zn inorgânico/Kg ...
Alexandra Rocha de Oliveira   +5 more
doaj   +1 more source

Identificación y cuantificación del arsénico unido a las proteínas de tejidos cardiovasculares de pacientes sometidos a cirugía de revascularización coronaria [PDF]

open access: yes, 2013
Introducción: Los efectos de la intoxicación con Arsénico (As) como enfermedades cardiovasculares (CV), pigmentaciones y oclusiones arteriales coronarias están asociados con la ingestión de As inorgánico a través del agua de bebida y a exposiciones ...
Cámara Rica, Carmen   +5 more
core   +2 more sources

Biotratamiento de contaminantes de origen inorgánico

open access: yesRevista de Metalurgia, 1998
De una forma general se asocia el tratamiento biológico de residuos con la eliminación de contaminantes de naturaleza orgánica. Sin embargo, existe cada vez un mayor grado de información, por su importancia, sobre la aplicación de sistemas biológicos en ...
F. J. Alguacil, Y. Merino
doaj   +1 more source

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