Results 61 to 70 of about 1,252,656 (308)

Memoria institucional 2011-2012

, 2013
Memoria institucional del Instituto de Estudios Peruanos, periodo 2011 ...
Instituto de Estudios Peruanos
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A Solvent‐Free Synthesis of Imidazo[1,5‐a]pyridines Using CCl4 as an Oxidant

Journal of Heterocyclic Chemistry, EarlyView.
A solvent‐free synthesis of imidazo[1,5‐a]pyridines (Impys) using CCl4 as an oxidant reagent and DBU as the base is informed. An array of Impys derived from different benzylic, heteroaryl aldehydes and others was synthesized in moderate to good yields.
Alejandro Castillo‐Baltazar, Luis E. Mendoza‐Herrera, Alfredo Toscano, J. Armando Luján‐Montelongo, M. Carmen Ortega‐Alfaro, José G. López‐Cortés   +5 more
wiley   +1 more source

Estudios Entomológicos

Revista Facultad Nacional de Agronomía Medellín, 1949
El artículo habla sobre las diferentes etapas que tienen diversos gusanos para convertirse en mariposa y los daños que pueden sufrir. Algunas de estas tapas son: Huevos, larvas, crisálida, mariposa. Clases de gusanos estudiados: a) Gusano de los tulipanes y otras liliáceas b) Gusano flechan del maíz y otras plantas c) Gusano ...
openaire   +4 more sources

Estudios Bolivianos No 17

, 2012
We gather in this issue a philosophical-ideological study like that of Hugo Celso Felipe Mansilla, who analyzes how current populist regimes in some American countries propagate an ideology of radical change, but in many respects they reproduce ...
Instituto de Estudios Bolivianos
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Calcium, methyl jasmonate and their combined foliar applications: Influence on Tempranillo grape amino acids composition over two seasons

Journal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Climate change is currently affecting chemical grape composition and, consequently, grape quality. The foliar application of biostimulants has emerged as a promising approach to mitigate these effects. This study investigated the effects of foliar applications of calcium (Ca), methyl jasmonate (MeJ), and their combination (Ca + MeJ)
Teresa Garde‐Cerdán, Eva P Pérez‐Álvarez, Itziar Sáenz de Urturi, Rebeca Murillo‐Peña, Lesly L Torres‐Díaz, Miriam González‐Lázaro   +5 more
wiley   +1 more source

Unveiling human–wildlife interactions in the context of livestock grazing abandonment and the return of large carnivores, ungulates and vultures: A stakeholder perspective

People and Nature, EarlyView.
Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes, F. J. Muñoz‐Gálvez, Z. Iglesias‐González, M. García‐Llorente, D. López‐García   +4 more
wiley   +1 more source

Estudios

Revista Iberoamericana, 2014
Crítica ...
openaire   +2 more sources

Estudios críticos de fronteras. Aportes de los estudios culturales [PDF]

Si Somos Americanos, 2014
En este ensayo se reseñará una bibliografía interdisciplinar, pero con anclaje en las relaciones internacionales, que analiza la práctica de las fronteras en la actualidad. Este texto aunará de manera general una bibliografía heterogénea, cuya complejidad no puede ser tratada en profundidad aquí, pero esperamos sea de valor.
openaire   +5 more sources

More pumas (Puma concolor) does not change perceptions: The mismatched response of ranchers to the presence of a top carnivore

People and Nature, EarlyView.
Abstract Human‐wildlife conflicts (HWCs) are one of the most critical conservation challenges worldwide. Large carnivores are frequently at the centre of these conflicts because of the perceived and real threats they pose to livestock and human safety.
Esperanza C. Iranzo, Omar Ohrens, Cristina Mata, Juan Traba, Pablo Acebes, Benito A. González, Fernando R. Tortato, Rafael Hoogesteijn, Dania Goic, L. Mark Elbroch, Juan E. Malo   +10 more
wiley   +1 more source

Anomalías en la percepción cromática

Revista de la Facultad de Medicina, 1995
Se realizó un estudio sobre los diversos tipos de anomalías en la percepción cromática en estudiantes de medicina de la Universidad Nacional. 63 varones y 11 mujeres presentaron anomalías en la percepción cromática.
Blanca Cecilia Pinzón Hoyos
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