Several harmful or valuable ionic species present in sea, brackish and wastewaters are amphoteric, and thus their properties depend on the local water pH. Effective removal of these species can be challenging by conve...
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This paper addresses the problem of retrieving an autonomous underwater vehicle (AUV) with an unmanned aerial vehicle (UAV). The design of the compliant net that naturally adapts to the payload morphology is proposed ...
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Accurately predicting the non-equilibrium mechanical properties of two-dimensional (2D) materials is essential for understanding their deformation, thermo-mechanical properties, and failure mechanisms. In this study, ...
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Autonomous navigation technology for Unmanned Surface Vehicles (USVs) has seen many recent advancements. In order for a USV to operate autonomously, the path to move from its current location to its destination must b...
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Correction for 'Direct laser writing-enabled 3D printing strategies for microfluidic applications' by Olivia M. Young , , 2024, DOI: https://***/10.1039/D3LC00743J.
Correction for 'Direct laser writing-enabled 3D printing strategies for microfluidic applications' by Olivia M. Young , , 2024, DOI: https://***/10.1039/D3LC00743J.
The paper presents results of a steam boiler operation modeling fired with hard coal. The thermodynamic model developed is consisted of basic components of the steam boiler for both the flue gases-air and water-steam ...
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We report measurements of the Seebeck effect in both the ab plane (Sa) and along the c axis (Sc) of the cuprate superconductor La1.6−xNd0.4SrxCuO4 (Nd-LSCO), performed in magnetic fields large enough to suppress super...
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We report measurements of the Seebeck effect in both the ab plane (Sa) and along the c axis (Sc) of the cuprate superconductor La1.6−xNd0.4SrxCuO4 (Nd-LSCO), performed in magnetic fields large enough to suppress superconductivity down to low temperature. We use the Seebeck coefficient as a probe of the particle-hole asymmetry of the electronic structure across the pseudogap critical doping p⋆=0.23. Outside the pseudogap phase, at p=0.24>p⋆, we observe a positive and essentially isotropic Seebeck coefficient as T→0. That S>0 at p=0.24 is at odds with expectations given the electronic band structure of Nd-LSCO above p⋆ and its known electronlike Fermi surface. We can reconcile this observation by invoking an energy-dependent scattering rate with a particle-hole asymmetry, possibly rooted in the non-Fermi-liquid nature of cuprates just above p⋆. Inside the pseudogap phase, for p
Polyimide (PI) is one of the most pragmatic polymers for highly durable flexible devices based on its micro- and nanopatterned structures, because of its excellent thermal and chemical stability. The conventional top-...
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Nickel–vanadium (Ni V) composites are considered as promising active materials for battery supercapacitor hybrids (BSHs), owing to multiple oxidation states, high theoretical capacitance, and tunable redox activity. ...
Nickel–vanadium (Ni V) composites are considered as promising active materials for battery supercapacitor hybrids (BSHs), owing to multiple oxidation states, high theoretical capacitance, and tunable redox activity. Structural optimization and sulfur incorporation are effective strategies to improve conductivity and structural stability. Hydrothermal parameters such as temperature and duration significantly influence the material and electrochemical properties. In this study, novel Ni V composites are synthesized via a hydrothermal process at different temperatures and durations as the active material of BSHs. The Ni V composites primarily consist of NiS 2 and V 3 Ni(SO 4 ) 4 · 24H 2 O. The Ni V composites synthesized using 150 °C and 10 h (Ni-V150@10) shows the largest specific capacitance (C F ) of 1381.3 F/g (621.6 C/g) at 20 mV/s, owing to its favorable twisted layered structure and abundant electroactive NiS 2 . A BSH constructed with Ni-V150@10 and reduced graphene oxide electrodes shows a maximum energy density of 9.6 Wh/kg at the power density of 857 W/kg. The capacitance retention of 96.6% and a Coulombic efficiency of 96.9% are also attained after 10,000 charge/discharge cycles. This study provides a clear approach for designing high-performance active materials with controllable hydrothermal temperature and duration, which can be extended to improve the electrochemical performance of other bimetallic composites in the future.
The bottleneck of urban forest waste (UFW) as biofuel relies on surpassing its logistical management, feedstock supply, heterogeneity, and property drawbacks. This article proposes a hybrid approach based on multicrit...
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