Results 41 to 50 of about 3,581 (202)

E-Waste In Bangladesh: Evaluating The Situation, Legislation And Policy And Way Forward With Strategy And Approach

open access: yesPresent Environment and Sustainable Development, 2015
Electronic waste (e-waste) is one of the fastest-growing pollution problems worldwide given the presence if a variety of toxic substances which can contaminate the environment and threaten human health, if disposal protocols are not meticulously managed.
Alam Mahbub, Bahauddin Khalid Md.
doaj   +1 more source

EULEX-Kosovo: ¿La misión imposible? [PDF]

open access: yes, 2008
La misión de la Unión Europea (UE) para asistir a las autoridades kosovares en el área del Estado de Derecho en Kosovo, EULEX–Kosovo, es la mayor misión civil preparada bajo la política de seguridad y de defensa (PESD) de la UE.
Barceló, María Julià
core  

A Systematic Review on Reliability and Lifetime Evaluation of Power Converters in Power Generation Systems

open access: yesIET Renewable Power Generation, Volume 19, Issue 1, January/December 2025.
The significance of power converters has grown substantially in recent years, driven by rapid advancements in sectors such as renewable energy generation and electric vehicles (EVs). This study seeks to provide a valuable reference for the industry by elucidating the core principles of reliability analysis in power converters and comparing various ...
Muhammet Samil Kalay, Alper Nabi Akpolat
wiley   +1 more source

Transitional Dynamics Based Trend Analysis of Land Cover and Use Changes in Romania During 1990-2012

open access: yesPresent Environment and Sustainable Development, 2018
Land cover and use changes, part of the ‘global changes’, are important for the global sustainability and resilience through their negative impacts on ecosystem services and biodiversity, and on the human welfare. In Eastern Europe in general and Romania
Petrişor Alexandru-Ionuţ   +1 more
doaj   +1 more source

The Modified Coronally Advanced Tunnel Technique for Coverage of Mucosal Recessions at Dental Implants

open access: yesJournal of Esthetic and Restorative Dentistry, Volume 37, Issue 1, Page 171-177, January 2025.
ABSTRACT Objectives To clinically evaluate the outcomes following surgical coverage of single peri‐implant mucosal recessions in the aesthetic maxillary area by means of the modified coronally advanced tunnel (MCAT) and subepithelial connective tissue graft (SCTG).
Anton Sculean   +4 more
wiley   +1 more source

The Use Of Standardized Indicators (SPI And SPEI) In Predicting Droughts Over The Republic Of Moldova Territory

open access: yesPresent Environment and Sustainable Development, 2015
The drought events frequent manifestation over the Republic of Moldova territory, in the context of climate change requires a scientific monitoring adjusted to international researchers. In recent years, internationally, the estimation of this phenomenon
Nedealcov M.   +3 more
doaj   +1 more source

Optimal Scheduling of Electricity–Hydrogen–Heat Integrated Energy System Considering Electrolyzer Dynamic Temperature and Pipeline Network Heat Storage

open access: yesInternational Transactions on Electrical Energy Systems, Volume 2025, Issue 1, 2025.
To leverage the complementary advantages of hydrogen, electricity, and heat, this paper proposes a coordinated optimization scheduling method for an integrated electricity–hydrogen–heat energy system, considering the dynamic operating temperature of proton exchange membrane electrolyzers and the thermal storage capacity of pipeline networks.
Aidong Zeng   +5 more
wiley   +1 more source

Crisis y Gestión Militar de la Crisis en la Unión Europea: El Camino hasta la Actualización de la Estrategia Europea de Seguridad

open access: yesRevista UNISCI, 2009
El artículo analiza la forma en que la Unión Europea ha utilizado los conceptos de crisis y de gestión de crisis en los documentos sobre el desarrollo de la Política Europea de Seguridad y Defensa (PESD), particularmente el estado actual de la cuestión a
Javier Ignacio García González
doaj  

Roles of Actors in Promoting Sustainable Development

open access: yesPresent Environment and Sustainable Development, 2018
This paper was realised because a lack of a comprehensible classification of the actors (and their roles) in the sustainable development in literature and legislation and to create a classification which includes all the possible players involved the ...
Nițoaia Petrică, Camară Gabriel
doaj   +1 more source

De la Política Europea de Seguridad y Defensa (PESD) a la Política Común de Seguridad y Defensa (PCSD): la Cooperación Estructurada Permanente [PDF]

open access: yes, 2008
El Tratado de reforma de la UE aprobado en Lisboa establece dos nuevas formas de cooperación: la Cooperación Reforzada en el ámbito de la seguridad y la defensa y la Cooperación Estructurada Permanente en el de la defensa.
Moliner González, Juan Antonio
core  

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