Results 51 to 60 of about 5,229 (163)

Method for the Calculation of DPA in the Reactor Pressure Vessel of Atucha II

open access: yesScience and Technology of Nuclear Installations, 2011
One of the limiting factors of the life of a nuclear power plant (NPP) is the state of the reactor pressure vessel (RPV). Embrittlement is the most important effect affecting RPV aging.
J. A. Mascitti, M. Madariaga
doaj   +1 more source

African Sovereignty: Constructing Institutional and Structural Changes in the International System

open access: yesWorld Affairs, Volume 189, Issue 1, Spring 2026.
ABSTRACT Can international organizations (IOs) possess sovereignty like modern states? How can IOs obtain sovereignty? Can IOs supersede states as dominant political structures in the world system? Studies on conflicts of sovereignty in Europe conclude that the European Union lacks sovereign status and cannot supplant European states as the dominant ...
Obinna F. Ifediora
wiley   +1 more source

Niveles de plomo en sangre de perros de la Cuenca Matanza-Riachuelo. Su función como centinelas de riesgo ambiental

open access: yesRevista de Salud Ambiental, 2019
El plomo es un metal tóxico para todos los seres vivos. Diversos estudios han demostrado la similitud de las condiciones de exposición y de sensibilidad a la contaminación por plomo de perros y niños, siendo estos últimos el principal grupo de ...
Verónica González Martínez   +5 more
doaj   +2 more sources

Different Measurement Protocols Impact Specific Leaf Area (SLA) Estimation in Simple Versus Compound Leaves

open access: yesJournal of Vegetation Science, Volume 37, Issue 1, January/February 2026.
Specific leaf area (SLA) measurement protocols strongly shape trait estimates, especially for compound leaves. A whole‐leaf approach including lamina and petiole offers a cost‐effective, practical default. Protocol choice should match study goals, and transparent reporting is essential to ensure comparability and advance the use of SLA in ecological ...
Miguel Blázquez   +7 more
wiley   +1 more source

Peaceful nuclear development and the three "s" ('safety', 'security'and 'safeguards')

open access: yesNucleus, 2010
We should agree on a comprehensive solution for a commensurate international control of both nuclear and radioactive material designed to ensure that peaceful nuclear development will not cause harm to the human race.
Abel Julio González Améndola   +1 more
doaj  

Presentación: Diez números de RIESED

open access: yesRIESED, 2020
Presentación del número, a cargo de Luis Humberto Fernández ...
Luis Humberto Fernández Fuentes, Dr.
doaj  

Similar population dynamics before and after a chytridiomycosis outbreak in a tropical riparian amphibian species

open access: yesEcosphere, Volume 16, Issue 12, December 2025.
Abstract Emerging infectious diseases can cause rapid, widespread host mortality, and the lack of demographic data before and after pathogen emergence complicates understanding mechanisms of host persistence. This challenge is further compounded by environmental conditions that influence host behavior, while driving pathogen growth and virulence. These
Graziella V. DiRenzo   +4 more
wiley   +1 more source

Estudo sobre a implantação do orçamento baseado em desempenho na Autoridade Portuária de Valência

open access: yesRevista de Administração Pública, 2013
O crescimento e o desenvolvimento da economia mundial têm dependido cada vez mais do transporte marítimo, e os portos são um elo importante nesse processo.
Rogério João Lunkes   +3 more
doaj   +1 more source

Estudiantes, docentes y contexto educativo en la representación del profesorado en formación

open access: yesRevista Electrónica Educare, 2019
Esta investigación, situada en el contexto de una universidad regional que forma docentes, tiene como objetivo indagar en las representaciones que el futuro profesorado tiene de la figura de estudiantes, docentes y contexto escolar.
Gerardo Ignacio Sánchez-Sánchez   +1 more
doaj   +1 more source

AUTORIDADE POLICIAL:

open access: yesRevista da ESMESC
O artigo examina o conceito de autoridade policial no Brasil, abordando sua evolução e o uso do termo no sistema jurídico e administrativo. O principal objetivo é analisar a atribuição da qualidade de autoridade policial a diferentes agentes policiais, considerando entendimento de que todos os servidores públicos atuantes na segurança pública exercem ...
Carlos Humberto Naves Junior   +1 more
openaire   +1 more source

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