Results 31 to 40 of about 882,438 (245)

Bush, Kerry e Irán [PDF]

open access: yes, 2004
Uno de los retos más complejos y apremiantes para la próxima Administración norteamericana, independientemente de que esté George W. Bush o John Kerry en la Casa Blanca, será desactivar la crisis de proliferación de armas nucleares con Irán, país que ...
Kern, Soeren
core  

Observation of the Differential Goos‐Hänchen Shifts in Wavelength Domain Using a Helical Fiber Grating

open access: yesAdvanced Optical Materials, EarlyView.
Goos‐Hänchen shift (GHS) is a phenomenon in which an optical beam experiences a longitudinal displacement upon total internal reflection. In this work, we experimentally demonstrate an enhanced GHS in the wavelength domain using a helical fiber grating (HFG).
Zhang Meng   +7 more
wiley   +1 more source

Irán: la dictadura democrática [PDF]

open access: yes, 2005
El desarrollo de las recientes elecciones presidenciales iraníes y el resultado de las mismas sorprendieron a propios y extraños. Un candidato conservador casi desconocido en el panorama político iraní, Mahmud Ahmadi Neyad, pasaba a una segunda vuelta ...
Farzamnia, Nadereh
core  

Ce‐Doped Lignin‐Based Nanozyme with Heat‐Activated Hydrolase Activity

open access: yesAdvanced Science, EarlyView.
A novel Ce‐doped lignin‐based hydrolase nanozyme (Ce‐AL) is synthesized using Ce ions coordinated with aminated industrial lignin. The Ce‐AL effectively hydrolyzes phosphate ester bonds and protein amide bonds, maintain high activity at 100°C, and successfully fights bacteria biofilms.
Xin Liu   +7 more
wiley   +1 more source

Nueva especie de Ramusella Hammer, 1962 (Acari, Oppiidae), de la provincia de Fars, Irán

open access: yesGraellsia, 2011
Se describe una nueva especie de ácaro oribátido de la familia Oppiidae, Ramusella (Insculptoppia) farsi sp. nov., procedente de la provincia de Fars, sur de Irán. La nueva especie se caracteriza por el sensilo fusiforme con 10 largos cilios en su cabeza,
M. A. Akrami   +2 more
doaj   +1 more source

¿Puede el multilateralismo poner fin al enfrentamiento nuclear con Irán? [PDF]

open access: yes, 2006
La cuestión nuclear iraní ha sido remitida al Consejo de Seguridad de las Naciones Unidas. En una sesión de emergencia celebrada el 4 de febrero, el órgano decisorio –compuesto por 35 países miembros– del Organismo Internacional de la Energía Atómica (
Kern, Soeren
core  

Extracellular Vesicles in Autoimmune Diseases: From Diagnostic Biomarkers to Engineered Therapeutics

open access: yesAdvanced Science, EarlyView.
This review provides a systematic comparison of extracellular vesicles (EVs) from both mammalian and plant sources in the context of autoimmune diseases. It highlights their emerging roles as precision biomarkers and engineered therapeutic platforms.
Yufei Wu   +6 more
wiley   +1 more source

The relationship between student attitudes towards using virtual education and their satisfaction during the COVID-19 pandemic

open access: yesEducatio Siglo XXI, 2023
The move to new approaches to higher education has required many universities around the world to use e-learning in their courses. The present study aimed to investigate the relationship between the attitudes of the students toward using virtual ...
Fateme Moradi   +2 more
doaj   +1 more source

Irán, en apuros: riesgos para la estabilidad regional [PDF]

open access: yes, 2009
Las elecciones presidenciales celebradas en Irán el pasado junio han ahondado las brechas que ya existían en la sociedad iraní y entre su clase dirigente.
Amirah Fernández, Haizam
core   +1 more source

Generalized Schr\"odinger cat states and their classical emulation

open access: yes, 2015
We demonstrate that superpositions of coherent and displaced Fock states, also referred to as generalized Schr\"odinger cats cats, can be created by application of a nonlinear displacement operator which is a deformed version of the Glauber displacement ...
Christodoulides, Demetrios N.   +4 more
core   +1 more source

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