Results 31 to 40 of about 4,192 (216)

High‐harmonic generation from subwavelength silicon films

open access: yesNanophotonics, Volume 14, Issue 23, Page 3927-3938, 02 November 2025.
Abstract Recent years have witnessed significant developments in the study of nonlinear properties of various materials at the nanoscale. Often, experimental results on harmonic generation are reported without the benefit of suitable theoretical models that allow assessment of conversion efficiencies compared to the material's intrinsic properties ...
Kent Hallman   +12 more
wiley   +1 more source

Macroecological and Biogeographic Patterns of Kinorhyncha in the Iberian Peninsula

open access: yesJournal of Biogeography, Volume 52, Issue 11, November 2025.
ABSTRACT Aim Biogeography and macroecology aim to understand the processes that determine patterns in nature. In the marine environment, most of what we know has been documented for fish and macrobenthic organisms. As a result, this knowledge is negatively biased towards smaller benthic organisms, including meiofauna.
Luciane A. Guimarães Feitoza   +8 more
wiley   +1 more source

Colombia y la geopolítica de la Organización del Tratado del Atlántico Norte (OTAN). Implicaciones de ser Partnership

open access: yesRevista Kavilando, 2022
La OTAN, por sus siglas en español, es un organismo de cooperación político militar creado en el marco de la Guerra Fría que enfrentó dos bloques mundiales hegemónicos representantes de dos ideologías preponderantes en el siglo XX, capitalismo y ...
Hector Alejandro Zuluaga Cometa   +1 more
doaj  

p‐Type β‐Ga2O3 Homoepitaxial Films with Superior Electrical Transport Properties

open access: yesAdvanced Electronic Materials, Volume 11, Issue 16, October 6, 2025.
High‐quality p‐type β‐Ga2O3 thin films are simultaneously grown by MOCVD on (010) and (–201) single crystal substrates. While the (–201) film shows typical semiconductor behavior, the (010) sample exhibits superior electrical properties. The study reveals orientation‐driven difference in electrical transport, supported by structural and microscopic ...
Zeyu Chi   +9 more
wiley   +1 more source

La intervención de la OTAN en Libia y el uso de la responsabilidad de proteger

open access: yes, 2018
Este trabajo de titulación analiza la intervención de la OTAN en Libia y el uso del principio de la Responsabilidad de Proteger para determinar la efectividad del mismo.
Velásquez Carrera, María Gabriela
core   +1 more source

NATO Enlargement Eastwards and NATO/Russia Relations [PDF]

open access: yesRevista CIDOB d'Afers Internacionals, 1997
Gebhard aborda las razones de la ampliación de la OTAN, algunos de los temas clave para el futuro de la Alianza y las líneas básicas de los acuerdos con Rusia.
Paul Gebhard
doaj  

La Organización del Tratado del Atlántico Norte y la ampliación al Este: ¿hasta Ucrania?

open access: yesRevista de Relaciones Internacionales, Estrategia y Seguridad, 2018
En este estudio se analiza la política de ampliación de la OTAN durante la Posguerra Fría, y las razones del actual estancamiento de la denominada política de puertas abiertas.
Maria Martínez Carmena
doaj   +1 more source

Farzand hayotida otaning o‘rni

open access: yesСовременные тенденции инновационного развития науки и образования в глобальном мире, 2023
Mazkur maqolada mualliflar tomonidan farzandning kelajagiga otaning o‘rni qanchalik muhimligi, hozirgi kunda otalarning farzand tarbiyasiga e’tiborsiz bo‘layotganligi kabi jamiyat barqarorligi uchun muhim bo‘lgan masalalar tadqiq etilgan.
Dinara Aldasheva   +2 more
openaire   +1 more source

Robust Laser‐Induced Graphene‐Boron‐Doped Diamond Nanowall Hybrid Nanostructures with Enhanced Field Electron Emission Performance for Microplasma Illumination Devices

open access: yesSmall Science, Volume 5, Issue 6, June 2025.
A facile procedure is developed for creating laser‐induced graphene (LIG)‐boron‐doped diamond nanowall (BDNW) nanostructures on flexible polyimide films. Although BDNW incorporation has resulted to increased defect density in the LIG, the obtained nanostructures benefit from enhanced electrical conductivity and specific surface area.
Mohsen Khodadadiyazdi   +11 more
wiley   +1 more source

NATO´s Partners in Afghanistan: Impact and Purpose

open access: yesRevista UNISCI, 2010
Desde el 2003, la misión de la OTAN, ISAF (Fuerza de Asistencia para la Seguridad Internacional) se ha apoyado en las contribuciones en tropas no sólo de países de la OTAN sino también en socios EAPC/PfP y los llamados socios globales (países no europeos
Rebecca Moore
doaj  

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