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Showing 20 of 378 academic articles

Analysis of methods for accounting cargo vehicles in traffic flow of a regulated crossroad

V. V. Donchenko, A. N. Shumskiy • Вестник СибАДИ (2023)

Introduction. The formation of a ‘cargo frame’ around large cities leads to a change in the composition of the traffic flow on bypass roads, and an increase in the total traffic flow of trucks of various categories. In addition, the active ...

DOAJ Open Access (DOAJ) DOI: 10.26518/2071-7296-2023-20-2-218-229

MEMS-Reconfigurable Metamaterials and Antenna Applications

Tomislav Debogovic, Julien Perruisseau-Carrier • International Journal of Antennas and Propagation (2014)

This paper reviews some of our contributions to reconfigurable metamaterials, where dynamic control is enabled by microelectromechanical systems (MEMS) technology. First, we show reconfigurable composite right-/left-handed transmission line...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/138138

On-the-Fly Sleep Scoring Algorithm with Heart Rate, RR Intervals and Accelerometer as Input

Michele Guagnano, Sara Groppo, Luigi Pugliese, Massimo Violante • Sensors (2025)

In many applications, recognizing the depth of sleep (e.g., light, deep, REM sleep) while the subject is sleeping enables innovative features. For instance, in SAE Level 4 autonomous driving, a driver may need to takeover the vehicle contro...

DOAJ Open Access (DOAJ) DOI: 10.3390/s25072141

Evaluation of Leakage Currents of Semiconductor Packages Due to High-Voltage Stress Under an Immersion Cooling Environment

Kyuhae Min, Taejun Kang, Tae Yeob Kang, Jae-Bum Pyo • Applied Sciences (2025)

As data centers expand, immersion cooling systems are gaining attention for thermal management of memory devices. To enable widespread adoption, it is essential to evaluate the impact of coolants on the reliability of memory packages. In th...

DOAJ Open Access (DOAJ) DOI: 10.3390/app15094668

Pt and CoB trilayer Josephson $$\pi $$ π junctions with perpendicular magnetic anisotropy

N. Satchell, T. Mitchell, P. M. Shepley, E. Darwin et al. • Scientific Reports (2021)

Abstract We report on the electrical transport properties of Nb based Josephson junctions with Pt/Co $$_{68}$$ 68 B $$_{32}$$ 32 /Pt ferromagnetic barriers. The barriers exhibit perpendicular magnetic anisotropy, which has the main advantag...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-021-90432-y

Dissenting Design

Simona Cosentino, Eleonora Lupo • piano b (2017)

As part of the discipline and practice of design (understood in its broadest sense of «strategic problem-solving process that drives innovation, builds business success, and leads to a better quality of life through innovative products, sys...

DOAJ Open Access (DOAJ) DOI: 10.6092/issn.2531-9876/7697

Acute exposure to copper oxide nanoparticles impairs testicular function and sperm quality in adult male albino rats

Lamiaa Hassan, Ibrahem M. A. Hasan, Zeinab Al-Amgad, Hassan Ahmed • SVU-International Journal of Veterinary Sciences (2024)

Copper oxide nanoparticles (CuO NPs) are metallic nanoparticles fulfilling several functions such as good conductivity, catalyst, used in sensors and energy storage devices, and antibacterial characteristics. However, the cytotoxicity and...

DOAJ Open Access (DOAJ) DOI: 10.21608/SVU.2023.226884.1288

Optimal randomness generation from optical Bell experiments

Alejandro Máttar, Paul Skrzypczyk, Jonatan Bohr Brask, Daniel Cavalcanti et al. • New Journal of Physics (2015)

Genuine randomness can be certified from Bell tests without any detailed assumptions on the working of the devices with which the test is implemented. An important class of experiments for implementing such tests is optical setups based on ...

DOAJ Open Access (DOAJ) DOI: 10.1088/1367-2630/17/2/022003

The Digital Transformation in Health: How AI Can Improve the Performance of Health Systems

África Periáñez, Ana Fernández Del Río, Ivan Nazarov, Enric Jané et al. • Health Systems & Reform (2024)

Mobile health has the potential to revolutionize health care delivery and patient engagement. In this work, we discuss how integrating Artificial Intelligence into digital health applications focused on supply chain operation, patient manag...

DOAJ Open Access (DOAJ) DOI: 10.1080/23288604.2024.2387138

Ultra-Bend-Resistant 4-Core Simplex Cable Used for Short-Reach Dense Spatial Division Multiplexing Optical Transmission

Zelin Zhang, Yu Qin, Jie Zhu, Caoyuan Wang et al. • Micromachines (2024)

We optimized and fabricated an ultra-bend-resistant 4-core simplex cable (SXC) employing 4-core multicore fiber (MCF) suitable for short-reach dense spatial division multiplexing (DSDM) optical transmission in the O-band. The characteristic...

DOAJ Open Access (DOAJ) DOI: 10.3390/mi15010108

From mid-infrared luminescence to laser gain in chalcogenide glasses and glass-ceramics

Yuhang Zhao, Chenyue Xiao, Xiaosong Lu, Zhiyong Yang • Journal of Advanced Dielectrics (2026)

Mid-infrared (MIR) lasers operating in the 2–6[Formula: see text][Formula: see text]m region are important for spectroscopy, sensing, communications, medicine, lidar, and electro-optical applications. Chalcogenide glasses and glass–ceramics...

DOAJ Open Access (DOAJ) DOI: 10.1142/S2010135X26400102

All-inorganic lattice-contracted fabric image sensors for extreme-temperature radiography

Li Xu, Peng Ran, Wenqian Zhou, Jingshu Wang et al. • Nature Communications (2026)

Abstract Conventional X‑ray sensing fails in extreme temperatures due to a fundamental trilemma: no material offers strong absorption, flexibility, and thermal stability simultaneously. Rigid inorganic scintillators exhibit thermal quenchin...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-026-71103-w

High-Q microresonators on 4H-silicon-carbide-on-insulator platform for nonlinear photonics

Chengli Wang, Zhiwei Fang, Ailun Yi, Bingcheng Yang et al. • Light: Science & Applications (2021)

Abstract The realization of high-quality (Q) resonators regardless of the underpinning material platforms has been a ceaseless pursuit, because the high-Q resonators provide an extreme environment for confining light to enable observations ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41377-021-00584-9

Simulation of the synergistic effect of multiple operation parameters on cavity soliton in nonlinear fiber resonator

Haiyang Liu, Zhe Li, Zeqiu Hu, Lu Liu et al. • Results in Physics (2024)

All optical soliton communication is a new generation of ultra-long distance and ultra-high speed optical fiber communication technology. Optical cavity solitons (CSs), whose pulse property is unique, have shown great potentials in optical ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2024.107821

High performance thin-film lithium niobate modulator on a silicon substrate using periodic capacitively loaded traveling-wave electrode

Gengxin Chen, Kaixuan Chen, Ranfeng Gan, Ziliang Ruan et al. • APL Photonics (2022)

Thin-film lithium niobate (TFLN) based traveling-wave modulators maintain simultaneously excellent performances, including large modulation bandwidth, high extinction ratio, low optical loss, and high modulation efficiency. Nevertheless, th...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0077232