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Aproximadamente 24250 registro(s) hasta el momento: (journal)

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Recurso libre

Effects of root architecture on response to melon vine decline.
FITA, A. - PICÓ, B. - DIAS, R. de C. S. - NUEZ, F.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	2008
Fecha:	2011-04-09
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

Analytical approximate solutions for conservative nonlinear oscillators by modified rational harmonic balance method
Beléndez Vázquez, Augusto - Gimeno Nieves, Encarnación - Álvarez López, Mariela Lázara - Yebra Calleja, María Soledad - Méndez Alcaraz, David Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	An analytical approximate technique for conservative nonlinear oscillators is proposed. This method is a modification of the generalized harmonic balance method in which analytical approximate solutions have rational form. This approach gives us not only a truly periodic solution but…
Fecha:	2009-10-22
Recurso:	RUA Docencia

Recurso libre

Pyrolysis and combustion of electronic wastes
Moltó Berenguer, Julia - Font Montesinos, Rafael - Gálvez Moreno, Araceli - Conesa Ferrer, Juan Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	The decreasing costs and increasing availability of electronic products of all kinds, including mobile phones, audio and video equipment, and personal computers and their accessories, coupled with advances in technology that rapidly make these products obsolete, foretell a growing disposal…
Fecha:	2009-10-23
Recurso:	RUA Docencia

Recurso libre

Kinetics of pyrolysis and combustion of pine needles and cones
Font Montesinos, Rafael - Conesa Ferrer, Juan Antonio - Moltó Berenguer, Julia - Muñoz Fernández, María

Formato:	info:eu-repo/semantics/article
Enlaces:	A wide kinetic study has been carried out under different conditions in TG and TG–MS for each material, at different operating conditions. Runs were carried out at three different atmospheres: N2, N2:O2 4:1 and N2:O2 9:1. In addition to the…
Fecha:	2009-10-23
Recurso:	RUA Docencia

Recurso libre

Kinetic study of the pyrolysis and combustion of tomato plant
Font Montesinos, Rafael - Moltó Berenguer, Julia - Gálvez Moreno, Araceli - Rey Martínez, María Dolores

Formato:	info:eu-repo/semantics/article
Enlaces:	A kinetic study of the thermal decomposition of tomato plant has been carried out under different conditions by TG and TG–MS. A total of 24 experiments were performed in a nitrogen atmosphere (pyrolysis runs) and also in an oxidative atmosphere…
Fecha:	2009-10-23
Recurso:	RUA Docencia

Recurso libre

Emblematic Resources and Parallels in a Mexican Colonial Poet: Luis de Sandoval Zapata
Olivares Zorrilla, Rocío

Formato:	Articulo
Enlaces:	Los sonetos de Luis de Sandoval Zapata han sido escasamente estudiados hasta el momento. En este ensayo se analizan varios sonetos desde el punto de vista de la tradición emblemática y se comenta cómo el significado e interpretación de los…
Fecha:	2009-10-13
Recurso:	De la Facultad de Filosofía y Letras. UNAM.

Recurso libre

Harmonic balance approaches to the nonlinear oscillators in which the restoring force is inversely proportional to the dependent variable
Beléndez Vázquez, Augusto - Méndez Alcaraz, David Israel - Beléndez Vázquez, Tarsicio - Hernández Prados, Antonio - Álvarez López, Mariela Lázara

Formato:	info:eu-repo/semantics/article
Enlaces:	The second-order harmonic balance method is used to construct three approximate frequency-amplitude relations for a conservative nonlinear singular oscillator in which the restoring force is inversely proportional to the dependent variable. Two procedures are used to solve the nonlinear differential…
Fecha:	2009-01-26
Recurso:	RUA Docencia

Recurso libre

Approximation for a large-angle simple pendulum period
Beléndez Vázquez, Augusto - Rodes Roca, José Joaquín - Beléndez Vázquez, Tarsicio - Hernández Prados, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	An approximation scheme to obtain the period for large amplitude oscillations of a simple pendulum is analysed and discussed. The analytical approximate formula for the period is the same as that suggested by Hite (2005 Phys. Teach. 43 290), but…
Fecha:	2009-02-25
Recurso:	RUA Docencia

Recurso libre

Review: Cenourete and Catetinho brazilian minicarrots.
LANA, M. M. - SILVA, J. B. C. da - VIEIRA, J. V.

Formato:	Artigo em periódico indexado (ALICE)
Enlaces:	2007
Fecha:	2011-04-09
Recurso:	Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)

Recurso libre

10.

Bifunctional Binols: Chiral 3,3'-Bis(aminomethyl)-1,1'-bi-2-naphthols (Binolams) in asymmetric catalysis
Nájera Domingo, Carmen - Sansano Gil, José Miguel - Saá Rodríguez, José Manuel

Formato:	info:eu-repo/semantics/article
Enlaces:	3,3'-Bis(dialkylaminomethyl)-1,1'-binaphth-2-ols (Binolams) have emerged during the last five years as very efficient chiral ligands in many enantioselective processes. Enantiomerically pure Binolams are easily accessible by means of a variety of methods, the most widely used being the so-called chiral Binol…
Fecha:	2009-05-20
Recurso:	RUA Docencia