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91 resultados encontrados.

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Effect of thermochemical activation temperature on electrical conductivity and concentration of charge carriers in the obtained porous carbon materials
Artículo
Acceso abierto Artículo DOAJ
B.I. Rachiy et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 1729-4428
By changing the temperature of chemical activation of plant biomass, nanoporous carbon materials with a specific surface area of up to 1050 m2/g were obtained. The obtained carbon materials were used to form composites w...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Electrical properties of composites based on nanoporous carbon material
Artículo
Material complementario disponible Artículo DOAJ
I. M. Budzulyak et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
In this work, the morphological and electrical properties of the composite nanoporous carbon material/thermally expanded graphite or acetylene black have been investigated. Nanoporous carbon material was obtained from pl...
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Investigation of the effect of carbonization temperature of plant biomass on the electrochemical properties of carbon material
Artículo
Acceso abierto Artículo DOAJ
N.Ya. Ivanichok et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 1729-4428
Porous carbon materials (PСM) with different pore distributions in size and size of the specific surface area up to 250 m2/g were obtained by changing the carbonization temperature of plant biomass, namely walnut shells...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Stimulation of the metal doping process of nanoporous carbon material by laser irradiation
Artículo
Acceso abierto Artículo DOAJ
I.M. Budzulyak et al · Vasyl Stefanyk Carpathian National University · 2023 · ISSN 1729-4428
It has been established that the doping of activated carbon material with chromium and manganese increases the specific capacitance of storage devices based on the charge-discharge mechanism of a double electric layer (D...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
The Lithium Power Sources Based on Porous Carbon Material
Artículo
Material complementario disponible Artículo DOAJ
V. I. Mandzyuk et al · Vasyl Stefanyk Carpathian National University · 2016 · ISSN 1729-4428
The paper describes the use of porous carbon material (PCM), obtained from plant raw materials as anode of lithium power source (LPS). It is established that the electrochemical parameters of LPS at current density of C/...
LCC TENDOlBoeXNpY3M~Idioma eng
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Material complementario
Low-Carbon Materials and Green Construction
Artículo
Acceso abierto Artículo DOAJ
Springer; Singapore · ISSN 2731-6319
Materias / palabras clave: low-carbon, construction materials, green construction, building engineering, sustainability, civil engineering; Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construc...
Idioma English
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Open Access
Carbonization of Asphaltic material and polyethylene by catalysis oxidation V2O5 for activated carbon preparation
Artículo
Acceso abierto Artículo DOAJ
Khaled Awaid et al · University of Mosul, College of Education for Pure Science · 2005 · ISSN 1812-125X
The research was aimed to use the residual asphaltic materials taken from northern refinery in the preparation of activated carbon by oxidation with V O5 in the presence of a stream of air for 3hrs at 350°C temp, .The r...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Carbon nanotube dispersant exchange strategy: a new opportunity for solution-based purification methods
Artículo
Acceso abierto Artículo DOAJ
Qingyuan Li et al · Springer Nature Singapore · 2026 · ISSN 2097-616X
Abstract In the post-Moore era, single-walled carbon nanotubes (SWCNTs) have emerged as promising candidates for next-generation semiconductor materials due to their unique optoelectronic properties. Achieving high-purit...
LCC TENDOkVsZWN0cmljIGFwcGFyYXR1cyBhbmQgbWF0ZXJpYWxzLiBFbGVjdHJpYyBjaXJjdWl0cy4gRWxlY3RyaWMgbmV0d29ya3M~Idioma eng
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Untangling the Effect of Carbonaceous Materials on the Photoelectrochemical Performance of BaTaO2N
Artículo
Material complementario disponible Artículo CONICET Digital
Hojamberdiev, Mirabbos et al · American Chemical Society · 2024 · ISSN 7022-7033
The water oxidation reaction is a rate-determining step in solar water splitting. The number of surviving photoexcited holes is one of the most influencing factors affecting the photoelectrochemical water oxidation effic...
Idioma eng
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Material complementario
Industrial tea-waste-derived carbon as a support material for Pt/C electrocatalysts in PEM fuel cells
Artículo
Acceso abierto Artículo DOAJ
Gökçen Akgül et al · Elsevier · 2026 · ISSN 1452-3981
In this work, we report a class of high surface area biomass derived carbon material- (BCMs) obtained from industrial black tea process waste biomass (TW) as a support for synthesis of the nanoparticulate Pt supported on...
LCC TENDOkluZHVzdHJpYWwgZWxlY3Ryb2NoZW1pc3RyeQ~~; TENDOlBoeXNpY2FsIGFuZCB0aGVvcmV0aWNhbCBjaGVtaXN0cnk~Idioma eng
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Analysis of microstrip antennas on carbon fiber composite material
Artículo
Acceso abierto Artículo DOAJ
Rodrigo R. de Assis et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
In this paper a truncated corner rectangular microstrip antenna (TCRMA) is analyzed in the presence of carbon fiber composite (CFC) material. Simplified carbon fiber composite models are proposed and the analyses are per...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Development of Key Materials for Carbon Capture and Conversion
Artículo
Acceso abierto Artículo DOAJ
Feng Zhu et al · 《中国工程科学》杂志社 · 2026 · ISSN 1009-1742
Carbon capture, utilization, and storage (CCUS) technology is an essential component of China's strategy to achieve carbon neutrality. It represents the necessary pathway for near-zero emissions from fossil fuels and pro...
LCC LCC:Engineering (General). Civil engineering (General)Idioma zho
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Open Access
Study of the influence of Carbonyl iron particulate size as an electromagnetic radiation absorbing material in 12.4 to 18 GHz (Ku) Band
Artículo
Acceso abierto Artículo DOAJ
Ana Paula S. Oliveira et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
Abstract This paper presents the influence of different sizes of carbonyl iron particles on the reflectivity measurements of Radar Absorbing Material (RAM). The electromagnetic characterization was performed with a vecto...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
Studying the susceptibility of red flour beetles to penetration and control of some packaging materials using low pressure and carbon monoxide and nitrogen oxides
Artículo
Acceso abierto Artículo DOAJ
Ibraheem Al-Hadedi et al · University of Mosul, College of Education for Pure Science · 2007 · ISSN 1812-125X
Ninevah province is one of the ancient places in Iraq in producing of wheat from which , in addition to flour , many products are prepared since the first thousand years BC . These products are subjecte to infestation...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
The use of carbonate apatite bioglass cement as pulp capping material examined from reparative dentin
Artículo
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Indah Puti Rahmayani Sabirin et al · faculty of dentistry universitas gadjah mada · 2021 · ISSN 2460-0164
Root canal infection potentially develops to periapical infection as a result of opening of pulp chamber as a pathway for irritants to periapical area. Proper pulp capping procedure can be done to prevent root canal infe...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Open Access
Structure and morphology of MoS2 / Carbon nanocomposite materials
Artículo
Acceso abierto Artículo DOAJ
V. M. Boychuk et al · Vasyl Stefanyk Carpathian National University · 2019 · ISSN 1729-4428
The paper presents the experimental results of the hydrothermal synthesis composite materials based on the MoS2 and carbon using different types of detergents (cetyltrimethylammonium bromide and Triton-X) or microporous ...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Synthesis of nano-carbon by in-liquid plasma method and its application to a support material of Pt catalyst for fuel cell
Artículo
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Abdulrahman Alsaeedi et al · SAGE Publishing · 2019 · ISSN 1847-9804
One of the applications of nano-carbon is a support material of platinum (Pt) catalyst for fuel cells. In this study, the nano-carbon was successfully synthesized by in-liquid plasma in ethanol. The synthesized nano-carb...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOlRlY2hub2xvZ3k~Idioma eng
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The use of carbon nanomaterials for removing natural organic matter in drinking water sources by a combined coagulation process
Artículo
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Kadir Özdemir · SAGE Publishing · 2016 · ISSN 1847-9804
Carbon nanomaterials are effective adsorbents for water treatment. This study examines natural organic matter (NOM) removal from drinking water with combined coagulation processes using single-walled carbon nanotubes (SW...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOlRlY2hub2xvZ3k~Idioma eng
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Open Access
Influence of Nano-Carbon Additives on the Mechanical Properties of Cementitious Composites: A Study on Static and Dynamic Modulus Variations
Artículo
Material complementario disponible Artículo DOAJ
Sheetal Thapa et al · Sumy State University · 2026 · ISSN 2077-6772
This Effect of Nano-carbon additives on mechanical performance and durability of cementitious composites in oi terms of static and dynamic modulus is studied. A Nano carbon powder was admixed in 5%, 10% and 15 % levels a...
LCC TENDOlBoeXNpY3M~Idioma eng
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Biomass-derived carbon quantum dots for the fabrication of a durable, self-cleaning, and corrosion-resistant superhydrophobic coating on steel
Artículo
Acceso abierto Artículo DOAJ
M. E. Mohamed et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The enhancement of durable and environmentally friendly superhydrophobic (SHP) coatings for metal protection remains a significant challenge. This study presents a green and effective strategy for fabricating a ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Development and Application of Thin Wide-Band Screening Composite Materials
Artículo
Material complementario disponible Artículo DOAJ
I.V. Senyk et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The paper is dedicated to the development of effective composite coatings with the use of carbon fillers of different morphology, their research, and application in the broadband frequency range. Electromagnetic loss stu...
LCC TENDOlBoeXNpY3M~Idioma eng
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Interlocking concrete pavers with wood biochar as partial cement replacement: engineering performance, embodied carbon, cost, and supply-demand analysis
Artículo
Material complementario disponible Artículo DOAJ
Souvik Roy et al · Elsevier · 2026 · ISSN 2772-3976
Interlocking concrete pavers (ICPs) require substantial cement consumption, resulting in considerable embodied carbon emissions, while the regional availability of conventional supplementary cementitious materials is bec...
LCC LCC:Materials of engineering and construction. Mechanics of materialsIdioma eng
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Recent progress in nanomaterials for air quality improvement
Artículo
Acceso abierto Artículo DOAJ
Mustafa Abbas Mustafa · Springer · 2026 · ISSN 2731-9431
Abstract Nanomaterials have emerged as highly effective candidates for air quality improvement due to their exceptional surface area, tuneable porosity, and catalytic activity. Recent studies report CO₂ adsorption capa...
LCC TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~Idioma eng
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Enhanced CO2 capture using sustainable biomass-derived activated carbon from desert date seed husk: Adsorption Isotherms, selectivity, and RSM optimization
Artículo
Acceso abierto Artículo DOAJ
Hamza A. Asmaly et al · Elsevier · 2026 · ISSN 2212-9839
The development of cost-effective and sustainable adsorbents for carbon dioxide (CO2) capture remains a critical challenge in mitigating greenhouse gas emissions. In this study, the husk of desert date seeds, an abundant...
LCC TENDOlRlY2hub2xvZ3k~Idioma eng
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