41   Artículos

 
en línea
Carlos Alberto Cioce Sampaio,Liliane Cristine Schlemer Alcantara,Paulo Henrique Freire Vieira    
De forma inesperada, a nova pandemia do Covid-19 veio se somar às múltiplas síndromes interdependentes que configuram o agravamento acelerado da crise socioecológica global. Uma de suas características mais marcantes tem a ver com o fato de estar contrib... ver más
Revista: Desenvolvimento e Meio Ambiente    Formato: Electrónico

 
en línea
Gottfried Sachs, Benedikt Grüter and Haichao Hong    
Dynamic soaring is a flight mode that uniquely enables high speeds without an engine. This is possible in a horizontal shear wind that comprises a thin layer and a large wind speed. It is shown that the speeds reachable by modern gliders approach the upp... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Gottfried Sachs and Benedikt Grüter    
Dynamic soaring is a non-powered flight mode that enables extremely high speeds by extracting energy from thin shear wind layers. Trajectory optimization is applied to construct solutions of the maximum speed achievable with dynamic soaring and to determ... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Mardelle Shepley, Naomi Sachs, Hessam Sadatsafavi, Christine Fournier and Kati Peditto    
Can the presence of green space in urban environments reduce the frequency of violent crime? To ascertain the evidence on this topic, we conducted an in-depth literature review using the PRISMA checklist. The search parameters included US articles writte... ver más

 
en línea
Vusani Moyo    
Corporate finance literature has developed a number of models for use in estimating the cost equity in for cross-border investments. Most of the models, if not all, are specifically developed for use by US firms investing in emerging markets. The widely ... ver más

 
en línea
Icaro Aronovich da Cunha,Karla Christiane Oliveira Lobato,Bruna Tonello Barreto    
O objetivo do artigo é apresentar resultados de pesquisa exploratória sobre a expansão do movimento de cargas na hidrovia na hidrovia Patos - Guaíba - Jacuí e discutir possibilidades de cooperação a partir do aporte de conhecimento, para qualificar tecni... ver más
Revista: Desenvolvimento e Meio Ambiente    Formato: Electrónico

 
en línea
Thomas Richter, Janina Sachs     Pág. 1946 - 1954
Two projects contain the conflict between turning vehicles and straight ahead driving cyclists. One out of four of all accidents in Germany are accidents with bicycles. In Addition, most of the accidents end with heavy or deathly personal injury. Especia... ver más
Revista: Transportation Research Procedia    Formato: Electrónico

 
en línea
Massimo Peri, Daniela Vandone and Lucia Baldi    
Water, energy, and food and are strongly interconnected, and the sustainability of the whole world depends on this link. The aim of this article is to analyze the volatility spillovers between indexes representing the financial component of this nexus. W... ver más
Revista: Sustainability    Formato: Electrónico

 
en línea
Uhaib As?ad M     Pág. 1 - 11
This paper describes the dynamics of the exploitation of natural resources exploitation activities, especially the extractive industries of coal mines that have been going on since tens of years ago. South Kalimantan Province, Indonesia is known as one o... ver más
Revista: Journal of Political Sciences & Public Affairs    Formato: Electrónico

 
en línea
Gottfried Sachs    
The power required by flapping and fixed wing vehicles in level flight is determined and compared. Based on a new modelling approach, the effects of flapping on the induced drag in flapping wing vehicles are mathematically described. It is shown that fla... ver más
Revista: Aerospace    Formato: Electrónico

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