Results 131 to 140 of about 77,687 (294)

Degradabilidade in situ do bagaço de cana-de-açúcar para pequenos ruminantes de raças naturalizadas do Nordeste brasileiro. [PDF]

, 2019
Resumo: Com o crescimento da indústria sucroalcooleira, buscam-se alternativas de uso dos resíduos gerados por ela. Os pequenos ruminantes de raças naturalizadas do Nordeste brasileiro mostram-se como grupos potenciais para que seja utilizado o bagaço de
CARNEIRO, J. da C., EGITO, A. S. do, FONTELES, N. L. O., GOMES, G. M. F., LANDIM, A. V., LIMA, A. R., SALLES, H. O. S., VASCONCELOS, A. M.   +7 more
core  

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source

Produção de amônia na fermentação in vitro de rações com levedura, uréia ou farelo de algodão

Revista Brasileira de Zootecnia, 2000
O objetivo deste experimento foi avaliar a liberação de nitrogênio amoniacal (N-NH3) in vitro proveniente de rações contendo levedura, uréia e farelo de algodão, usadas na alimentação de ruminantes.
Sampaio Alexandre Amstalden Moraes, Vieira Paulo de Figueiredo, Brito Rodolfo Marques de   +2 more
doaj  

Effects of calcium on the evolution of nitrogen during pyrolysis of a typical low rank coal

International Journal of Coal Science & Technology, 2019
This study aims to investigate the effects of calcium on the migration of nitrogen in coal (coal-N) to N-containing gas species, particularly, NH3 and HCN (volatile-N) in volatiles, as well as the chemical transformation of the N in char during coal ...
Xiongchao Lin, Sasha Yang, Xujun Chen, Panpan Zheng, Yonggang Wang, Shu Zhang   +5 more
doaj   +1 more source

A Pre-Protostellar Core in L1551

, 2004
Large field surveys of NH3, C2S, 13CO and C18O in the L1551 dark cloud have revealed a prolate, pre-protostellar molecular core (L1551-MC) in a relatively quiescent region to the northwest of the well-known IRS 5 source.
Danby G., Garnavich P. M., James Di Francesco, Jonathan J. Swift, Mundt R., Stutzki J., Tine S., Walmsley C., William J. Welch, Winnewisser G.   +9 more
core   +2 more sources

Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition

Advanced Materials, EarlyView.
Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two‐stage curing process with a thermoplastic‐like intermediate. This uncommon behavior enables extrusion and fabrication of thermoplastic prepregs that can be cured into thermoset composites.
Izabela Kurowska, Leire Unanue, Itxaso Calafel, Dorleta Otaegui, Jorge L. Olmedo‐Martínez, Lourdes Irusta, Daniel Vinagre, Nora Aranburu, Nerea Casado, Ibon Odriozola, David Mecerreyes   +10 more
wiley   +1 more source

Inhibition de la digestion anaérobie par N-NH3 : étude de la dynamique microbienne et approche métabolomique

, 2016
Anaerobic digestion (AD) is a bioprocess widely implemented to stabilize organic waste and simultaneously produce methane - rich biogas which can be used to generate energy and heat. However, anaerobic microorganisms responsible for biological conversion of organic material into methane (CH4) are vulnerable to a wide variety of inhibitor y substances ...
Rouillac, Lénaïck, Chapleur, O., Poirier, Simon, Madigou, Céline, Guenne, Angéline, Mazéas, Laurent   +5 more
openaire   +2 more sources

Hydrogelation via Supramolecular Copolymerization of Structural Water within Adaptive Metal–Organic Fibers

Advanced Materials, EarlyView.
Structural water is harnessed as an active co‐monomer to drive supramolecular polymerization in bulk water. Zinc(II) Salphen complexes confine water molecules to form hollow, metal–organic nanofibers that assemble into adaptive hydrogels with thermoresponsive mechanics and selective chiral recognition.
Merlin R. Stühler, Hesam Makki, Tarek Hilal, Debsena Chakraboty, Mathias Dimde, Kai Ludwig, Rainer Haag, Sabine Rosenfeldt, Dorothee Silbernagl, Andreas Schäfer, Alex J. Plajer   +10 more
wiley   +1 more source

Evolución de las pérdidas de amoníaco desde urea aplicada en otoño y primavera a una pastura de agropiro alargado (Thinopyrum ponticum)

RIA: Revista Investigaciones Agropecuarias, 2003
La fertilización nitrogenada con urea en pasturas de agropiro (Thinopyrumponticum) incrementa la producción de materia seca; sin embargo, la eficienciade utilización del nitrógeno (N) no es elevada, consecuencia probablemente dela volatilización de ...
P. A. Barbieri, H.E. Echeverría
doaj  

Star-forming regions of the Aquila rift cloud complex. II. Turbulence in molecular cores probed by NH3 emission

, 2014
(Abridged) Aims. We intend to derive statistical properties of stochastic gas motion inside the dense low mass star forming molecular cores traced by NH3(1,1) and (2,2) emission lines. Methods.
Henkel, C., Levshakov, S. A., Reimers, D., Wang, M.   +3 more
core   +1 more source