Results 31 to 40 of about 3,437,654 (221)

A Dynamic Business Modeling Approach to Port Sustainability: The Western Sicily Port Authority Case

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Ports are critical nodes in global trade and economic development, yet they generate substantial environmental and social externalities—including greenhouse gas emissions, air, noise, and water pollution, and adverse impacts on host communities—that demand integrated and forward‐looking governance.
Martina Vivoli   +3 more
wiley   +1 more source

Solar Sailing: applications and technology advancement [PDF]

open access: yes, 2011
Harnessing the power of the Sun to propel a spacecraft may appear somewhat ambitious and the observation that light exerts a force contradicts everyday experiences.
Macdonald, Malcolm
core   +4 more sources

Magnetosferas planetárias

open access: yesRevista Brasileira de Ensino de Física
Este trabalho consiste em uma introdução às magnetosferas planetárias do Sistema Solar. Apresenta-se uma descrição geral da configuração das magnetosferas dos oito planetas do Sistema Solar e de sua formação pela interação de seu ambiente eletromagnético
E Echer
doaj   +1 more source

Exploring eco‐evolutionary and temporal patterns of arbuscular mycorrhizal fungal communities colonizing Sorghum bicolor across sites of contrasting land use history and climate

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Sorghum bicolor is a globally important cereal crop with annual yields exceeding 50 million tons across more than 100 countries and can be grown on marginal lands where conventional agriculture is limited. We examined how eight genetically diverse sorghum genotypes shaped arbuscular mycorrhizal fungal (AMF) community assembly across two contrasting ...
Philip Brailey‐Crane   +8 more
wiley   +1 more source

Síntese das Leis de Kepler

open access: yesRevista Brasileira de Ensino de Física
O objetivo deste artigo é apresentar a concepção das leis de Kepler utilizando os aplicativos (livres) Stellarium e Geogebra para obter e analisar dados semelhantes aos que Kepler teve acesso.
Marco Antonio Garms, Iberê Luiz Caldas
doaj   +1 more source

Business Model and Sustainable Development Goals for an Innovative Agricultural Waste Management: Distributed Biogas Production

open access: yesSustainable Development, EarlyView.
ABSTRACT Technological progress and population growth have increased global pork demand; leading to a rise of methane emission from pig farming, a key contributor to climate change. Anaerobic digestion offers a sustainable solution by converting manure into biogas.
María‐Pilar Martínez‐Hernando   +5 more
wiley   +1 more source

Validación de un diseño fotovoltaico con un consumo de 30 Watts DC, para ser utilizado con un sistema NFT en comunidades sin acceso a la red eléctrica

open access: yesRevista de Iniciación Científica, 2019
Este trabajo se centró en el dimensionamiento de un sistema solar fotovoltaico y su implementación en un sistema hidropónico de tipo Nutrient Film Technique (NFT). El sistema solar se especificó para tener una autonomía en energía de dos días.
Gabriel López   +4 more
doaj   +1 more source

Community assembly on inland cliffs is context‐dependent

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Under harsh environmental conditions, community assembly processes are expected to drive pronounced functional convergence, with communities dominated by stress‐tolerant species.
Thomas Deola   +9 more
wiley   +1 more source

Series Trigonométricas, Sistema Solar y Poesía

open access: yesPensamiento Matemático, 2016
El estudio matemático del Sistema Solar forma parte del corpus más consolidado de la ciencia, y al mismo tiempo es siempre joven; algunos aspectos son muy conocidos pero existen otros estudios menos difundidos a veces incluso relegados solo a grupos de ...
Rosa M. Herrera
doaj  

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