Results 21 to 30 of about 60,667,685 (181)

Módulo costos de producción [PDF]

, 2019
El presente documento brinda información teórica y metodológica relacionada con los costos por órdenes de producción, ofreciendo al lector herramientas de información para una mayor comprensión acerca de los elementos del costo, características, sistemas
Pacheco Bautista, Fabiola Amparo
core   +1 more source

Green Hydrogen in Brazilian Media: Dominant Narratives and Missing Dimensions of the Energy Trilemma

Politics &Policy, Volume 54, Issue 5, October 2026.
ABSTRACT Media discourses help shape the visibility and legitimacy of energy transition pathways in the public sphere. This study examines how Brazilian mainstream newspapers framed green hydrogen and assesses the alignment of these narratives with the energy trilemma: energy security, environmental sustainability, and social accessibility. We analyzed
Flávia Mendes de Almeida Collaço, Felipe Moura Oliveira, Thiago Costa Holanda, Lira Luz Benites Lazaro   +3 more
wiley   +1 more source

Tourism, human–wildlife interactions, and wildlife trade in the globalizing Amazon

Conservation Science and Practice, Volume 8, Issue 8, August 2026.
Tourism in the globalizing Peruvian Amazon contributes to harmful human–wildlife interactions and the wildlife trade, with tourists participating in activities such as handling wildlife, taking selfies with animals, purchasing live animals, and wild meat consumption.
Christian J. Rivera, William R. Travis, Miguel Caireta Camps, Ruth M. Rocker, Javier Velásquez Varela, Pamela Montero Alvarez, Agustín Fuentes, David S. Wilcove   +7 more
wiley   +1 more source

Participatory fuzzy cognitive modelling reveals leverage points for agroecological adoption in the Central Valleys of Oaxaca

People and Nature, Volume 8, Issue 6, Page 1817-1831, June 2026.
Abstract Global institutions are increasingly calling for an agroecological transition of our food systems to promote sustainable farmer livelihoods, safeguard agrobiodiversity and foster socio‐ecological resilience to a changing climate. Yet adoption remains limited, and there is a paucity of research examining how local conditions enable and ...
Gabriela Marie Garcia, Quetzalcóatl Orozco‐Ramírez, Ximena de la Mora Bakjejian, Reyna Domínguez Yescas, Emilio Hernández Martínez, Patricia Balvanera   +5 more
wiley   +1 more source

Epistemic opacity in Antarctic science: Unknowing the last frontier

People and Nature, Volume 8, Issue 6, Page 1641-1647, June 2026.
Abstract Antarctica is facing intensifying pressures from climate change, industrial fishing, tourism and renewed geopolitical competition, even as scientific activity on the continent reaches unprecedented levels. We argue that this proliferation of research often fails to deliver the integrated, policy‐relevant knowledge needed for precautionary ...
Virginia Morandini, Álvaro Soutullo
wiley   +1 more source

Valoración nutricional y emisión de gases de algunos recursos forrajeros del trópico de altura

Revista de Ciencias Agrícolas, 2014
Se determinó la producción de gases (metano, AGVs) en algunos forrajes herbáceos, arbóreos y arbustivos de la región lechera del municipio de Pasto, en altitudes comprendidas entre 2600 a 3200 m.s.n.m.
Edmundo Apráez, Arturo Gálvez, Carlos Jojoa   +2 more
doaj   +1 more source

Hurdles to overcome to achieve biostimulant‐driven, low chemical input crop production

PLANTS, PEOPLE, PLANET, Volume 8, Issue 3, Page 783-791, May 2026.
Crop production requires considerable chemical inputs that result in significant greenhouse gas emissions and other environmental costs. Biostimulants are natural agents, such as microorganisms or seaweed, applied to plants and soil to stimulate plant growth and reduce chemical inputs. Biostimulant use is rapidly increasing globally, but hurdles remain,
Wolfram Buss, Katharina Belt, Zaw Hein, Arumdriya Putri, Shuoyang Zhu, Hana Suwandari, Alison R. Bentley   +6 more
wiley   +1 more source

Manejo de producción en campos de gas [PDF]

, 2004
EI gas natural es una mezcla de hidrocarburos, la mayoría de bajo peso molecular, que puede estar en estado gaseoso o liquido en el yacimiento pero al traerlo a superficie y despresurizarlo está en estado gaseoso, aunque acompañado con líquido y por lo ...
Naranjo Agudelo, Abel de Jesús
core  

Report of the Scientific Committee of the Spanish Agency for Food Safety and Nutrition (AESAN) on the conservation conditions of foods made with eggs or egg products in retail establishments

Food Risk Assess Europe, Volume 4, Issue 2, April 2026.
Abstract Royal Decree 1021/2022, which regulates certain hygiene requirements for the production and marketing of foodstuffs in retail establishments, establishes that, in retail establishments, food made with raw egg subjected to heat treatment where a temperature equal to or greater than 70°C is reached for 2 seconds in the centre of the product or ...
Antonio Valero Díaz, María Dolores Rodrigo Aliaga, Rosa María Capita González, Baltasar Mayo Pérez, Azucena del Carmen Mora Gutiérrez, Fernando Pérez Rodríguez, Paula Arrabal Durán   +6 more
wiley   +1 more source

Efectos del cambio de composición química del gas natural sobre el comportamiento de turbinas a gas : una aproximación al caso colombiano [PDF]

, 2006
RESUMEN: A nivel internacional, se ha venido dando una creciente participación de la producción de electricidad con centrales térmicas a gas, utilizando como combustible gas natural.
Amell Arrieta, Andrés Adolfo, Bedoya, Cesar A, Amell, Andrés A, Bedoya, César A., Suárez, Bladimir, Amell Arrieta, Andrés Adolfo   +5 more
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