Optimization of hybrid photovoltaic-thermal systems integrated into buildings: Impact of bi-fluid exchangers and filling gases on the thermal and electrical performances of solar c... by Kokou Aménuvéla Toka, Yawovi Nougbléga, Komi Apélété Amou

“…The upper channel contains a stagnant fluid, which acts as a heat shield, while the lower, open channel ensures the continuous circulation or evacuation of heat transfer air. A copper metal plate separates the two channels. We examined the impact of various fluids employed as heat shields, including neon, argon, and xenon, in comparison to air, on the thermal and electrical performance of the collector. …”
Get full text

Thermodynamic assessment of the Al-Mo-V ternary system by Hu B., Yao B., Wang J., Zhao J.-R., Min F.-F., Du Y.

Get full text

Deflection Laws of Gas Drainage Boreholes in Interbedded Soft and Hard Seams: A Case Study at Xinzheng Coal Mine, China by Xiaoyan Sun, Zhiheng Cheng, Liang Chen, Zhenhua Li, Hongbing Wang, Shuaifeng Yin

Get full text

The Effect of Thermocycling on Fracture Resistance of CAD- CAM and 3D Printing Provisional Prosthesis by Maab Qassim Hadi, Suha Fadhil Dulami

“…A second oral scanner digitally scanned developed model. Duplication of the metal dies was made using the master die (chrome cobalt alloy). …”
Get full text

TWO-FREQUENCY CROSS-SLOT ANTENNA WITH RESONANT COLD ELECTRON BOLOMETERS FOR APPLICATION IN CORE SPACE MISSION by L. S. Kuzmin, A. V. Chiginev

“…The aim of the present paper is the numerical modeling of the two-frequency planar cross-slot antenna designed for operation in the receiving system of the orbital telescope Cosmic Origins Explorer (COrE), developed by the European Space Agency to measure the CMB.The proposed antenna is a planar metal layer on the dielectric substrate, and comprising a set of four slots intersecting each other at right angles. …”
Get full text

Metallurgical assessment of Al-Zr-Y alloys for laser-based processing by J.T. Hierlihy, I.W. Donaldson, D.P. Bishop

“…Historically, several such materials were premised on alloys that incorporated transition metal (TM) additions which formed refractory aluminides as the principal strengthening addition. …”
Get full text

Impact of Municipal Solid Waste Leachate on Surface Water Quality: A Case Study on Kabuturumba Stream. by Rubarema, Paul

“…Different physiochemical and biological parameters were tested in the laboratory. like pH/EC, turbidity, BOD, TDS TSS, heavy metal, bacteriological parameters such the presence of Total coliforms fecal coliforms and E. coli. …”
Get full text

Impact of Architectural Sculpture Design on Buildings: A Case Study of Kigezi Region. by Tumwekwase, Boaz

“…Architectural sculpture emerges as a testament to human ingenuity in the realm of form and space, where concrete meets metal. It is not merely construction, but a dialogue between materiality and imagination, a dance of shadows and light. …”
Get full text

Influences of Different Preparation Conditions on Catalytic Activity of Ag2O-Co3O4/γ-Al2O3 for Hydrogenation of Coal Pyrolysis by Lei Zhang, Sha Xiang-ling, Lei Zhang, Wang Rui, Zhang Lixin, Shu Xinqian

“…A series of catalysts of Ag2O-Co3O4/γ-Al2O3 was prepared by equivalent volume impregnation method. The effects of the metal loading, calcination time, and calcination temperatures of Ag and Co, respectively, on the catalytic activity were investigated. …”
Get full text

Investigating the effect of synthetic cobalt and nickel oxide nanoparticles on the growth and physiology of Mungbean (Vigna radiata L.) seedlings, and exploring tunable magnetism s... by Anjali Joshi, Simranjeet Kaur, Pargat Singh, Havneet Singh, Keya Dharamvir, Harsh Nayyar, Gaurav Verma

“…The extensive application of metal oxide nanoparticles in industrial and agricultural systems has led to their pervasive accumulation in the environment, raising significant concerns about their phytotoxicity and ecological impacts. …”
Get full text

Research on the photoelectrical properties of TiO2-doped V2O5/FTO nanocomposite thin films under thermal and electrical excitation by Xue Chang, Li Yi, Zhang Haoting, He Weiye, Peng Weiye, Dai Wenyan, Yuan Zhen, Lin Ke, Wang Wei, Shi Zhangqing, Liu Hongwei

“…The FTO/V2O5-TiO2/FTO device underwent semiconductor-metal state transition (SMT) around 259.91 °C. Under the applied voltage of 0–5 V, the maximum transmittance variations could reach 8.821%, 7.174% and 11.540% in 400–1600 nm band at the temperature of 20 °C, 40 °C and 80 °C, respectively. …”
Get full text

Effects of Training for Finger Perception on Functional Recovery of Hemiplegic Upper Limbs in Acute Stroke Patients by Naho Umeki, Jun Murata, Misako Higashijima

“…Moreover, the completion times to manipulate a middle-sized ball (d=0.53) and small ball (d=0.80) and a small metal disc (d=0.81) in the experimental group were significantly different from those in the control group (p<0.05). …”
Get full text

S, Se-Codoped Dual Carbon Coating and Se Substitution in Co-Alkoxide-Derived CoS₂ Through SeS₂ Triggered Selenization for High-Performance Sodium-Ion Batterie... by Kaiqin Li, Yuqi Kang, Chengjiang Deng, Yanfeng Wang, Haocun Ba, Qi An, Xiaoyan Han, Shaozhuan Huang

“…The development of metal sulfides as anodes for sodium-ion batteries (SIBs) is significantly obstructed by the slow kinetics of the electrochemical reactions and the substantial volume changes on the cycling. …”
Get full text

Effect of p-InGaN Cap Layer on Low-Resistance Contact to p-GaN: Carrier Transport Mechanism and Barrier Height Characteristics by Mohit Kumar, Laurent Xu, Timothée Labau, Jérôme Biscarrat, Simona Torrengo, Matthew Charles, Christophe Lecouvey, Aurélien Olivier, Joelle Zgheib, René Escoffier, Julien Buckley

“…Additionally, polarization-induced free charges at the metal–semiconductor interface reduced band bending, thereby enhancing carrier transport. …”
Get full text

Biochemical Properties of the Acid Ectophosphatase Activity of <i>Phytomonas serpens</i> Involved in Cell Proliferation by Luiz Fernando Carvalho-Kelly, Anita Leocadio Freitas-Mesquita, Thaís Souza Silveira Majerowicz, José Roberto Meyer-Fernandes

“…It was stimulated by cobalt, inhibited by zinc, and insensitive to EDTA, a divalent metal chelator. The inhibitor sodium orthovanadate was able to decrease <i>P. serpens</i> ectophosphatase activity and growth, suggesting its involvement in cell proliferation. …”
Get full text

Bromine‐Substituted Cation Anchoring to Suppress Ion Migration in Alternating Cations Intercalation‐Type Perovskite for Stable X‐Ray Detection by Lijun Xu, Qianwen Guan, Huang Ye, Jianbo Wu, Hang Li, Yaru Geng, Chengshu Zhang, Zeng‐Kui Zhu, Zhangtong Han, Qiuxiao Yin, Junhua Luo

“…Metal halide perovskites have emerged as excellent direct X‐ray detection materials owing to their large mobility‐lifetime product, strong radiation absorption, and low‐cost preparation. …”
Get full text

In Situ Modulation of NiFeOOH Coordination Environment for Enhanced Electrocatalytic‐Conversion of Glucose and Energy‐Efficient Hydrogen Production by Ning Wei, Sufeng Zhang, Xue Yao, Qinglu Li, Nan Li, Jinrui Li, Dingjie Pan, Qiming Liu, Shaowei Chen, Scott Renneckar

“…Abstract Glucose electrocatalytic‐conversion reaction (GCR) is a promising anode reaction to replace the slow oxygen evolution reaction (OER), thus promoting the development of hydrogen production by electrochemical water splitting. Herein, NiFe‐based metal‐organic framework (MOF) is used as a precursor to prepare W‐doped nickel‐iron phosphide (W‐NiFeP) nanosheet arrays by ion exchange and phosphorylation, which exhibit a high electrocatalytic activity toward the hydrogen evolution reaction (HER), featuring an overpotential of only −179 mV to achieve the current density of 100 mA cm−2 in alkaline media. …”
Get full text

Analysis of Human Gait Cycle With Body Equilibrium Based on Leg Orientation by Muhammad Asif, Muhammad A. Tayyab, Muhammad H. Shahid, Usama Arif, Mohsin I. Tiwana, Umar S. Khan, Waqar S. Qureshi

“…A sensing unit was installed on the designed metal-based leg mounting assembly on the lateral side of the leg. …”
Get full text

Design of Conformal Cooling of an Additively Printed Aluminium Die-Casting Mold Component by J. Sviželová, L. Socha, A. Mohamed, M. Pinta, K. Koza, T. Sellner, K. Gryc, M. Dvořák, M. Roh

“…The insert comes into direct contact with the metal during the filling of the mold and solidification of the casting and determines the internal shape of the casting. …”
Get full text

Tailoring Borate Mediator Species Enables Industrial CO Production with Improved Overall Energy Efficiency by Sustainable Molten Salt CO2 Electrolysis by Xinyu Li, Bowen Deng, Kaifa Du, Wenmiao Li, Di Chen, Xin Qu, Fangzhao Pang, Xiaodan Zhang, Hao Zha, Huayi Yin, Dihua Wang

“…Cathodic CO2 electro‐reduction (CO2ER) with the anodic oxygen evolution reaction (OER) at an overall current density of 500 mA cm−2 using non‐nanostructured transition‐metal plate electrodes at 650 °C is coupled. By regulating the electrolyte's oxo‐basicity with earth‐abundant borax (Na2B4O7), a borate‐enhanced electrolyte is established that accelerates the overall electrochemical reaction efficiently. …”
Get full text