Buscar
Mostrando ítems 1-10 de 73606
Beef cow-calf production experiments on the savannas of eastern Colombia, effects of minerals, early weaning, crossbreeding, urea feeding, and pastures on herd production.
(Winrock InternationalMorriton (Estados Unidos), 1984)
Beef cow-calf production experiments on the savannas of eastern Colombia, effects of minerals, early weaning, crossbreeding, urea feeding, and pastures on herd production.
(Winrock InternationalMorrilton (Estados Unidos), 1984)
Sustained photobiological hydrogen production by Chlorella vulgaris without nutrient starvation
(2021)
This article describes the ability of the Chlorella vulgaris BEIJ strain G-120 to produce
hydrogen (H2) via both direct and indirect pathways without the use of nutrient starvation.
Photobiological H2 production reached ...
Aqueous phase reforming of sorbitol on Pt/Al2O3: Effect of metal loading and reaction conditions on H2 productivity
(Elsevier, 2016-10)
The production of hydrogen by aqueous phase reforming (APR) of sorbitol was studied on Pt-based catalysts at 498 K and 29.3 bar. Four alumina-supported Pt catalysts (0.30, 0.57, 1.50 and 2.77 %wt Pt) were prepared. The ...
Stability problems in the hydrogen production by dark fermentation: Possible causes and solutions
(2020-03-01)
H2 production by dark fermentation using mixed cultures has been studied intensively during the last two decades, and its feasibility has been demonstrated. Different substrates, operational conditions, and reactor ...
Produção de H²S pelos Clostridios anaerobios
(Fundação Oswaldo Cruz. Instituto Oswaldo Cruz., 2021)
Variability in per capita oogonia and sporophyte production from giant kelp gametophytes (Macrocystis pyrifera, Phaeophyceae)
(Sociedad de Biología de Chile, 2004)
Wheat Facts and Futures 2009
(CIMMYT, 2012)
The effects of hydrogen sulfide on the polymer electrolyte membrane fuel cell anode catalyst: H(2)S-Pt/C interaction products
(ELSEVIER SCIENCE BV, 2011)
The performance of a polymer electrolyte membrane fuel cell (PEMFC) operating on a simulated hydrocarbon reformate is described. The anode feed stream consisted of 80% H(2),similar to 20% N(2), and 8 ppm hydrogen sulfide ...
Production of bio-hydrogen by liquid processing of xylitol on Pt/Al2O3 catalysts: Effect of the metal loading
(Pergamon-Elsevier Science Ltd, 2017-02)
The aqueous-phase reforming of xylitol to produce bio-hydrogen was studied on Pt/Al2O3 catalysts containing 0.30, 0.57, 1.50 and 2.77%wt Pt by varying the weight hourly space velocity (WHSV) between 0.6 and 2.4 h−1. At a ...