Reset
Showing 20 of 1,262 academic articles

GO supported Fe doped Ni(OH)2 hexagonal nanosheets for hydrogen evolution reaction in neutral electrolytes

Junping Hu, Youxing Liu • Materials Research Express (2021)

Exploiting non-noble metals catalysts with excellent performance for hydrogen evolution reaction (HER) has aroused gigantic interest, but still challenges. Herein, we reported the graphene oxide (GO) supported Fe doped Ni(OH) _2 hexagonal n...

DOAJ Open Access (DOAJ) DOI: 10.1088/2053-1591/abecad

Dynamic Behavior Improvement of Normally-Off p-GaN High-Electron-Mobility Transistor Through a Low-Temperature Microwave Annealing Process

Hsien-Chin Chiu, Chia-Hao Liu, Yi-Sheng Chang, Hsuan-Ling Kao et al. • IEEE Journal of the Electron Devices Society (2019)

The surface morphology optimization of ohmic contacts and the Mg out-diffusion suppression of normally off p-GaN gate high-electron-mobility transistors (HEMTs) continue to be challenges in the power electronics industry in terms of the hig...

DOAJ Open Access (DOAJ) DOI: 10.1109/JEDS.2019.2941519

Compensatory Analysis and Optimization for MADM for Heterogeneous Wireless Network Selection

Jian Zhou, Can-yan Zhu • Journal of Electrical and Computer Engineering (2016)

In the next-generation heterogeneous wireless networks, a mobile terminal with a multi-interface may have network access from different service providers using various technologies. In spite of this heterogeneity, seamless intersystem mobil...

DOAJ Open Access (DOAJ) DOI: 10.1155/2016/7539454

Chitosan nanoparticles as next-generation carriers for veterinary DNA vaccines: Mechanisms, immune responses, and translational prospects

Miguel González-Lozano, José Alberto Cano-Buendía • Veterinary World (2025)

Background and Aim: Chitosan-based DNA nanoparticles have emerged as a promising next-generation platform for veterinary vaccines, addressing several limitations of conventional attenuated, inactivated, and recombinant formulations. Chitosa...

DOAJ Open Access (DOAJ) DOI: 10.14202/vetworld.2025.3826-3838

From Flame Extinguishment to Reignition Control: Fire Suppressants, Sustained Cooling Mechanisms, and Fire-Safety Challenges in Lithium-Ion Battery Fires

Qiqi Yang, Qingwen Lin, Ruichao Wei, Jiaxin Gao et al. • Batteries (2026)

Lithium-ion battery fires are governed by continuous heat release during thermal runaway, flammable gas venting, and thermal coupling between adjacent cells. Even after visible flames are extinguished, post-extinguishment temperature rise, ...

DOAJ Open Access (DOAJ) DOI: 10.3390/batteries12080305

Exploring fibre addition methods and mechanical properties of fibre-reinforced 3D printed concrete: A review

Syed Bustan Fatima Warsi, Biranchi Panda, Pankaj Biswas • Developments in the Built Environment (2023)

3D Concrete Printing (3DCP) is a growing field of sustainable technology that offers an avenue for rapid industrialisation of the construction industry. Over the years, many non-structural elements have been fabricated by 3D printing, thus ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.dibe.2023.100295

Exploring the Environmental Resistome and Bacterial Novelty in Marine Isolates from the North Portuguese Coast

Ofélia Godinho, Olga Maria Lage, Sandra Quinteira • Antibiotics (2026)

Background/Objectives: It is of the utmost importance to study environmental bacteria, as these microorganisms remain poorly characterized regarding their diversity, antimicrobial resistance, and impact on the global ecosystem. This knowled...

DOAJ Open Access (DOAJ) DOI: 10.3390/antibiotics15010110

Seabird Migration Strategies: Flight Budgets, Diel Activity Patterns, and Lunar Influence

Anne-Sophie Bonnet-Lebrun, Anne-Sophie Bonnet-Lebrun, Maria P. Dias, Maria P. Dias et al. • Frontiers in Marine Science (2021)

Every year, billions of birds undertake extensive migrations between breeding and non-breeding areas, facing challenges that require behavioural adjustments, particularly to flight timing and duration. Such adjustments in daily activity pat...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2021.683071

Development of sports management in Serbia and Montenegro through the history of the Olympic committees of their countries

Violeta Šiljak, Dejan Đurović, Rade Stefanović, Branimir Mekić • SportLogia (2018)

The subject of this research refers to development of management in sport throughout history of the Olympic Committee of Serbia and the Montenegrin Olympic Committee. Analysis of the work of the Olympic Committee of Serbia and the Montenegr...

DOAJ Open Access (DOAJ) DOI: 10.5550/sgia.181401.en.sdsm

Atrioesophageal fistula after radiofrequency catheter ablation for atrial fibrillation: clinical case

Vladislav V. Gaskin, Anna A. Gaskina, Amir G. Masri, Valentin A. Nеchaev et al. • Клиническая практика (2026)

BACKGROUND: Atrioesophageal fistula is a rare complication following radiofrequency catheter ablation for atrial fibrillation and is associated with high mortality. Clinical manifestations of atrioesophageal fistula are nonspecific and may ...

DOAJ Open Access (DOAJ) DOI: 10.17816/clinpract695545

Toward sustainable development: the nexus between financial development, renewable energy, and carbon emissions in China

Yang Sun, Feng Zhao, Liya Gao • Frontiers in Environmental Science (2025)

The accelerating emissions of greenhouse gases—particularly carbon dioxide (CO2)—pose serious challenges to global environmental sustainability, with China being a major contributor due to its rapid economic and financial expansion. This st...

DOAJ Open Access (DOAJ) DOI: 10.3389/fenvs.2025.1594858

Challenges of the growing African cement market – environmental issues, regulative framework, and quality infrastructure requirements

Schmidt Wolfram, Ngassam Inès L. Tchetgnia, Breitschaft Gerhard, Virchow Stephen • MATEC Web of Conferences (2018)

The African cement, concrete and construction business is growing at rapid pace. The cement sales are expected to grow rapidly until 2050. The number of newly built cement plants increases dramatically and in addition more cements are being...

DOAJ Open Access (DOAJ) DOI: 10.1051/matecconf/201714901014

Building Educational Resilience through Education 4.0 in Africa

Saman Ange-Michel Gougou, Hoho Inès Palé • International Journal of Qualitative Research (2025)

This paper aims to describe the digitalization in Educative system in Côte d’Ivoire according to the Education 4.0 paradigm to promote digital appropriation and build social resilience in a challenging context. Through a multisite ethnograp...

DOAJ Open Access (DOAJ) DOI: 10.47540/ijqr.v5i2.2182

Translating research on seed dormancy and germination from Arabidopsis to temperate cereals to control pre-harvest sprouting

Renqiang Li, Muhammad Usama Hameed, Koen Geuten • Frontiers in Plant Science (2026)

From slow, non-uniform germination to pre-harvest sprouting (PHS), both extremes of seed dormancy have posed challenges for plant breeders. Because this trait needs to be genetically tuned in relation to environmental cues, controlling the ...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpls.2026.1763984

Reclaimed water in Taiwan: current status and future prospects

Hai-Hsuan Cheng, Wan-Sheng Yu, Shu-Chuang Tseng, Yi-Ju Wu et al. • Sustainable Environment Research (2023)

Abstract According to the Taiwan Water Resources Agency, Ministry of Economic Affairs, the average water demand shortage is 530.6 million m3 yr−1 during the period of 2011 to 2019, and the situation will worsen in the near future due to glo...

DOAJ Open Access (DOAJ) DOI: 10.1186/s42834-023-00177-8