Results 61 to 70 of about 943,203 (162)

Chemical Interaction between the Sr4Al6O12SO4 Ceramic Substrate and Al–Si Alloys

open access: yesEng
Samples of Sr4Al6O12SO4 are obtained through a solid-state reaction of Al2O3, SrSO4, and SrCO3. The samples are then made into 1 and 4 cm pellets by compacting them at 100MPa and sintering them at 1400 °C for 4 h.
José Amparo Rodríguez-García   +4 more
doaj   +1 more source

The Penchant for Technology in Non‐Democratic Elections: Evidence From Hong Kong's Digital Authoritarianism

open access: yesAsian Politics &Policy, Volume 18, Issue 2, April 2026.
ABSTRACT To complement the emergent inquiry into the threats and opportunities that new technologies pose to political institutions and behavior, this study draws on the emergent scholarly literature on Digital Authoritarianism to shed light on the factors leading to Hong Kong's newly acquired penchant for adopting the digital and information ...
Kenneth Ka‐Lok Chan
wiley   +1 more source

Evaluación de las propiedades tribológicas de materiales compuestos de matriz metálica (MMCs) procesados por técnicas de fabricación aditiva con haz láser (SLM)

open access: yesRevista UIS Ingenierías, 2016
En este artículo se investigaron las propiedades mecánicas y tribológicas de materiales compuestos de matriz de acero (acero inoxidable 316L reforzado con partículas cerámicas Cr3C2) procesados por tecnologías de fabricación aditiva de fusión selectiva ...
Elkin Martínez   +2 more
doaj   +1 more source

Advocacy Coalitions and the Evolution of U.S. Space Policy: Private Companies, Competition, and Space Traffic Coordination

open access: yesPolitics &Policy, Volume 54, Issue 2, April 2026.
ABSTRACT This study employs advocacy coalition framework (ACF) theory to analyze debates over U.S. space policies designed to avoid dangerous collisions between objects in Earth orbit. For decades, the Department of Defense prioritized national security in its development of space traffic coordination (STC) systems like the Space Surveillance Network ...
Jeffrey S. Lantis
wiley   +1 more source

Hybrid Modeling for Bioprocesses: Architectures, Applications, and Perspectives

open access: yesEngineering Reports
Recent hardware developments within industrial digitalization make more evident the need of high‐fidelity models to exploit process system engineering potential in biomanufacturing.
Juan Federico Herrera‐Ruiz   +2 more
doaj   +1 more source

Ti-Fe-Based Alloys Modified with Al and Cr for Next-Generation Biomedical Implants

open access: yesEng
Titanium and, in particular, its alloys are widely used in biomedical applications due to their favorable combination of mechanical properties, such as high strength, low density, low elastic modulus, and excellent biocompatibility.
Katia Itzel Rodríguez-Escobedo   +5 more
doaj   +1 more source

A Novel Topical Emollient Plus for Canine Atopic Dermatitis: A Clinical Trial Assessing Efficacy and User Acceptance

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 293-305, April 2026.
Background: Canine atopic dermatitis (cAD) is a common, chronic skin condition characterised by epidermal barrier dysfunction, immune dysregulation and cutaneous dysbiosis. While “emollient plus” formulations are widely used in human atopic dermatitis, their role in cAD remains underexplored. Hypothesis/Objectives: To evaluate the clinical efficacy and
Beatriz Fernandes   +8 more
wiley   +1 more source

Los fenómenos y las gráficas

open access: yes, 1990
Contiene: 1. Las Nuevas Tecnologías en la Educación Secundaria Obligatoria, área de Matemáticas: 'Los Fenómenos y las Gráficas'. 2. Guías de utilización de los programas 'Calcula y Works'. 3.
Luengo Marquina, Juan Carlos   +2 more
core  

Posibilidades y retos de la aplicación de las nuevas tecnologías de la información en la enseñanza y aprendizaje del Derecho Internacional [PDF]

open access: yes, 1999
Cada vez más se insiste en la conveniencia de aplicar las nuevas tecnologías de la información en el proceso de enseñanza y aprendizaje del Derecho Internacional público. Sin embargo, aún no se ha cerrado el debate sobre las posibilidades y los retos que
García San José, Daniel
core  

Nuevas tecnologías aplicadas a la educación. El sistema educativo a través de los medios de comunicación [PDF]

open access: yes, 1999
Las asignaturas en las que enmarcamos nuestro trabajo, por un lado Nuevas Tecnologías aplicadas a la Educacion es una materia a impartir en todas las especialidades de los Nuevos Planes del Título de Maestro; y por otro lado, la asignatura de Estudio de ...
Hervás Gómez, Carlos   +1 more
core   +1 more source

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