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Esplora cataloghi istituzionali, risorse elettroniche, riviste ad accesso aperto, collezioni disponibili e collegamenti per l’accesso accademico.

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92 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Exploiting space-time duality in the synthesis of impedance transformers via temporal metamaterials
Articolo
Articolo
Castaldi Giuseppe et al · Wiley · 2021 · ISSN 2192-8614
Multisection quarter-wave impedance transformers are widely applied in microwave engineering and optics to attain impedance-matching networks and antireflection coatings. These structures are mostly designed in the spati...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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Open Access
Sustainable reuse of mineral waste: Synthesis and comprehensive characterization of hydroxyapatite (HAP)
Articolo
Articolo
Bader Bouzar et al · KeAi Communications Co., Ltd · 2026 · ISSN 2949-7361
The study explores an eco-efficient synthesis method for hydroxyapatite (HAP) from mineral residues rich in calcium carbonate (CaCO3) and monopotassium phosphate (KH2PO4). The process is based on a chemical reaction in a...
LCC TENDOkVudmlyb25tZW50YWwgZW5naW5lZXJpbmc~; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~Idioma Inglés
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Open Access
Facile sintering-based synthesis and characterization of high-quality crystalline borophene quantum dots
Articolo
Articolo
Mufutau Amobi Adebisi et al · Elsevier · 2026 · ISSN 2590-048X
Borophene Quantum Dots (BPQDs) have been shown to exhibit unique properties that make them suitable as zero-dimensional nanomaterials. These properties include optical, structural, electrical, mechanical, photophysical, ...
LCC LCC:Materials of engineering and construction. Mechanics of materialsIdioma Inglés
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Material complementario
Improving the Technology Synthesis and Properties of Biodiesel
Articolo
Articolo
V. S. Ribun et al · Vasyl Stefanyk Carpathian National University · 2018 · ISSN 1729-4428
Existing technologies for the synthesis of active additives to motor fuels are quite complicated. Therefore,improvement of the technology of biodiesel fuel synthesis in order to increase the cetane number and andimprovem...
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Material complementario
Nanomaterials and Nanocomposites for Semiconductor Performance Enhancement: Trends, Challenges, and Future Directions – A Comprehensive Review
Articolo
Articolo
Madhan Kumar A. et al · EDP Sciences · 2026 · ISSN 2100-014X
In this research the application of nanomaterials, nanocomposites reformed in semiconductor and chip sectors by fabricating them resulted in better performance compared to previous studies. These developed materials has ...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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Material complementario
Novel Ti2CuCx and Ti3Cu2Cx Carbides Obtained by Sintering of Products of Mechanochemical Synthesis of Ti, Cu and Carbon Nanotubes
Articolo
Articolo
S. L. Revo et al · Vasyl Stefanyk Carpathian National University · 2018 · ISSN 1729-4428
Mechanical alloying of the elemental powder mixture of titanium and copper (particle size of both powdersis about 40 μm, purity is not less than 99.6% wt. %) was performed in a high energy planetary ball mill to obtainT...
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Open Access
Strengthening Actions for Menstrual Health and Hygiene Interventions for Promotion of Women’s Health in Nepal (SAMIP): Protocol for a Participatory Intervention Development Study Using Realist Synthesis, Human-Centered Design, Intervention Mapping, and Arts-Based Methods
Articolo
Articolo
Sara Elizabeth Baumann et al · JMIR Publications · 2026 · ISSN 1929-0748
Abstract BackgroundMenstrual restrictions remain widespread in Nepal, where approximately 90% of women and girls follow at least one restriction. One of the most harmful practices, chhaupadi (severe menstrual...
LCC LCC:Medicine; TENDOkNvbXB1dGVyIGFwcGxpY2F0aW9ucyB0byBtZWRpY2luZS4gTWVkaWNhbCBpbmZvcm1hdGljcw~~Idioma Inglés
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Open Access
Landscape and its Functions in the Stories of “Christmas Tree” by Mykhailo Kotsiubynskyi and “Pine Tree” by Olena Pchilka
Articolo
Articolo
Nataliia Vivcharyk · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 2311-0155
The article proves that the implementation of a comprehensive approach to the aesthetic education of students in NUS involves, along with the traditional teaching of subjects, their integration, in particular in the huma...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma Inglés
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Open Access
A review of silicon subwavelength gratings: building break-through devices with anisotropic metamaterials
Articolo
Articolo
Luque-González José Manuel et al · Wiley · 2021 · ISSN 2192-8614
Silicon photonics is playing a key role in areas as diverse as high-speed optical communications, neural networks, supercomputing, quantum photonics, and sensing, which demand the development of highly efficient and comp...
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Material complementario
ACTIVITIES OF THE INSTITUTE OF VOCATIONAL EDUCATION AND TRAINING OF NAES OF UKRAINE IN THE CONDITIONS OF MOD-ERN CHALLENGES
Articolo
Articolo
Валентина Радкевич et al · Institute of Vocational Education of the National Academy of Educational Sciences of Ukraine · 2021 · ISSN 2707-3092
The relevance of the study is conditioned by the need to promote the results of scientific, educational, information-analytical, advisory activities of the unified scientific institution in Ukraine that provides scientif...
LCC TENDOkVkdWNhdGlvbiAoR2VuZXJhbCk~Idioma Inglés
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Open Access
Approach learning high-order thinking skills to improve civic knowledge in Pancasila and Civic Education
Articolo
Articolo
Julien Biringan et al · Universitas Negeri Yogyakarta · 2025 · ISSN 1829-5789
Higher-order thinking skills require students to process information critically using specific methods to develop new understandings and insights. This approach encourages students to integrate reality with critical thin...
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Open Access
CaCO3 hydrogenation to CH4 using natural limestone and a Ni-based catalyst for CCU applications
Articolo
Articolo
Yusbeli García et al · Elsevier · 2026 · ISSN 2212-9839
Carbon capture and utilization (CCU) has emerged as a promising strategy for mitigating CO2 emissions while producing valuable chemicals. However, conventional CCU relies on separate capture, purification, and conversion...
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Open Access
Combustion synthesis of Co-Cu-Mn oxides deploying different fuels
Articolo
Articolo
Gardey Merino, María Celeste et al · Universidade Federal do Rio de Janeiro · 2015 · ISSN 1517-7076
Ternary spinel-like oxides such as CuFeMnO4, CoCuMnOxand CuCr2O4are attractive materials due to their absorbent properties when used as pigments for selective surfaces thus improving solar heaters efficiency. These mater...
Idioma Inglés
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Open Access
Low-Temperature Synthesis of a Sulfur-Polyacrylonitrile Composite Cathode for Lithium-Sulfur Batteries
Articolo
Articolo
Paez Jerez, Ana Laura et al · Wiley Blackwell Publishing, Inc · 2020 · ISSN 5465-5472
Through a novel synthesis process, a novel sulfurized polyacrylonitrile (SPAN) composite, noted as DH-150-300-SPAN, was prepared and tested as cathode material for lithium sulfur (Li−S) batteries. The reported process ...
Idioma Inglés
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Material complementario
Structural and morphological properties of Ce(1−x)FexO2−δ synthesized by citrate route
Articolo
Articolo
Mazan, Mariano Osvaldo et al · Elsevier · 2015 · ISSN 0272-8842
Cerium-based materials were intensively studied in last years because of their high oxygen storage capacity (OSC) associated to the reversible Ce4+ Ce3+ process and their properties closely related to the defect chemistr...
Idioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.Disponible en 2 proveedores
Open Access
Advantages of Direct Laser Writing for Enhancing the Resolution of Diffractive Optical Element Fabrication Processes
Articolo
Articolo
V.V. Petrov et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 1729-4428
A technology for direct laser writing of code sequences on modulation disks has been developed and implemented, ensuring high accuracy and reliability in the process of forming structural elements. The main advantages of...
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Material complementario
Characterization of MgH2 formation by low-energy ball-milling of Mg and Mg+C (graphite) mixtures under H2 atmosphere
Articolo
Articolo
Fuster, Valeria de Los Angeles et al · Elsevier Science SA · 2009 · ISSN 0925-8388
In the present work the formation of nanocrystalline magnesium hydride by reactive mechanical alloying (RMA) of a mixture of magnesium and 10 wt.% graphite flakes is reported. The synthesis was done at room temperature u...
Idioma Inglés
El enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Comparative Study of the Properties of High Voltage Spinel Cathode Material Depending on the Method of Synthesis
Articolo
Articolo
Kazda, Tómas et al · Electrochemical Society · 2014 · ISSN 1938-6737
The most widely used cathode materials for lithium-ion accumulators nowadays are based on LiCoO2, LiFePO4 or LiMnO4. These materials are supposed to be replaced by battery systems with new generation of cathode materi...
Idioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Effect of light intensity on the aggregation behavior of primary particles during in situ photochemical synthesis of gold/polymer nanocomposites
Articolo
Articolo
Schmarsow, Ruth Noemí et al · American Chemical Society · 2020 · ISSN 0743-7463
Metal/polymer nanocomposites have attracted much attention in recent years due to their exceptional properties and wide range of potential applications. A key challenge to obtain these materials is to stabilize the metal...
Idioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Effectiveness of Interventions to Reduce Carbon‐Emissions Within Secondary Healthcare: Systematic Review and Evidence and Gap Map
Articolo
Articolo
Liz Shaw et al · SAGE Publishing · 2025 · ISSN 1891-1803
ABSTRACT ‘The climate emergency is also a health emergency’ (England 2024). Climate change directly impacts the health of the human population through events such as earthquakes, flooding, heatwaves and drought, whi...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma Inglés
El enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Exploring the Cultural Adaptation of an Ongoing Evidence-Based Intervention for Chinese and Korean American Dementia Caregivers: Descriptive Study
Articolo
Articolo
Eunjung Ko et al · JMIR Publications · 2026 · ISSN 2561-326X
Abstract BackgroundThe aging and caregiving population is becoming increasingly diverse in the United States, leading to a growing need for culturally adapted interventions to address the unique needs of unde...
LCC LCC:MedicineIdioma Inglés
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Full-visible-spectrum perovskite quantum dots by anion exchange resin assisted synthesis
Articolo
Articolo
Wang Chenhui et al · Wiley · 2022 · ISSN 2192-8614
Photoelectric properties of all-inorganic perovskite quantum dots (IPQDs) highly depend on their synthetic route. However, current synthetic processes of IPQDs are widely facing potential unsustainable issues of containi...
LCC TENDOlBoeXNpY3M~Idioma Inglés
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Material complementario
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