561 Result(s)
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Article
New electromagnetic variable flow device for slab continuous casting mold: mechanical design and magnetic field analysis
Obtaining a reasonable mold flow field for casting slabs with different sections is challenging by solely modifying the nozzle structure and continuous casting process. Research was conducted on small-sectione...
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Article
Synergistic rare-earth yttrium single atoms and copper phosphide nanoparticles for high-selectivity ammonia electrosynthesis
Electrochemical nitrate reduction to NH3 holds a great promise for N-upcycling in nature, while its sluggish reaction kinetics involved in both the stepwise deoxygenation and hydrogenation processes necessitates ...
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Article
Microwave excited hyperthermy and catalysis of heterostructured Au/Cu–BTA for effective bacteria killing by accelerating charge separation
Deep tissue infections caused by pathogenic bacteria seriously threat the lives of patients. In this study, a smart heterostructured Au/Cu–BTA (BTA = 1,2,4,5-benzenetetramine) with microwave (MW) response is s...
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Application of nanoscale metal–organic frameworks in tumor immunotherapy
Immunotherapy has attracted wide attention because it can not only kill tumor cells but also effectively prevent tumor recurrence. However, due to the poor efficacy of the monotherapy in tumor immunotherapy, c...
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Article
Electrodeposition of rare refractory metals in low-temperature ionic liquids
Rare refractory metals (RRMs) play a significant role in fundamental industries, including electronics, chemical industry, machinery, etc., and future advanced fields, such as aerospace and superconductivity. ...
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Article
Interfacial behaviors between ZG13Cr9Mo1VNbN stainless steel and chromite sand
To elucidate the formation mechanisms of burn-on sand and metal penetration during sand casting, some laboratory experiments were carried out at different temperatures (1813, 1833, 1853, and 1873 K) and holdin...
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Article
Contrasting strategies of optimizing carrier concentration in bulk InSe for enhanced thermoelectric performance
Indium selenide (InSe), as a wide-bandgap semiconductor, has received extensive attention in the flexible electronics field in recent years due to its exceptional plasticity and promising thermoelectric perfor...
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Effect of initial microstructure on microstructure evolution and mechanical properties of 0.12C martensitic steels during quenching and tempering
The microstructure evolution and mechanical properties of a Fe–0.12C–0.2Si–1.6Mn–0.3Cr–0.0025B (wt.%) steel with different initial microstructures, i.e., hot rolled (HR) and cold rolled–annealed (CRA), were st...
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Article
A homopolymolybdate-supported plate-like 2D cobalt network constructed from a new pyrazole-amide-pyridyl ligand: highly electrochemical activity in both capacitive performance and the detection of Cr (VI)
By employing a new semi-rigid pyrazole-amide-derived bis(pyridyl) ligand [N,N'-bis(4-picolylamine)-1-hydropyrazole (4-dpap)], a new homopolymolybdate-based two-dimensional (2D) plate-like complex [Co(4-dpap)(H2O)...
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Article
Application of UiO-66 and its composites for remediation and resource recovery of typical environmental contaminants: a review
UiO-66 series metal–organic framework materials (MOFs) are typical porous materials assembled by Zr4+ with a large mass-to-nucleus ratio and terephthalic acid ligands, which form tetrahedral and octahedral cages ...
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Article
Dynamically lithium-compensated polymer artificial SEI to assist highly stable lithium-rich manganese-based anode-free lithium metal batteries
Owing to the unique structure, anode-free lithium metal batteries (AFLMBs) have higher energy density and lower production cost than traditional lithium metal batteries (LMBs) or lithium-ion batteries (LIBs). ...
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Article
Phase modulation of nickel-tin alloys in regulating electrocatalytic nitrogen reduction properties
电催化氮还原反应(NRR)是在常规条件下合成氨(NH3)的一种有效方法,但其催化性能(例如:选择性、催化效率等)在很大程度上取决于催化剂的物理性质。在本工作中,物理性能可控的Ni-Sn 合金纳米粒子通过简单的两步法成功合成,并将其用作 NRR 的高效电催化剂。通过调控Ni : Sn的原子比例,分别构建了不同物相的Ni-Sn合金,包括:Ni、Ni-Ni3Sn、Ni3Sn、Ni3Sn2、Ni3Sn4和Sn,其中Ni3Sn合金...
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Article
A deep learning interatomic potential suitable for simulating radiation damage in bulk tungsten
So far, it has been a challenge for existing interatomic potentials to accurately describe a wide range of physical properties and maintain reasonable efficiency. In this work, we develop an interatomic potent...
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Article
Preparation and properties of ZrO2-strengthened porous mullite insulation materials using Y2O3 additive
ZrO2-strengthened porous mullite insulation materials were prepared by foaming technology utilizing ZrSiO4 and Al2O3 as primary materials and Y2O3 as an additive. The effects of Y2O3 contents on the phase composi...
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Article
Enhanced Strength-Ductility Synergy Achieved Through Al-Addition in CoCrFe2Ni-Based High Entropy Alloys
The AlxCoCrFe2Ni (x = 0, 0.4, 0.6, 0.8, and 1.0) high entropy alloys (HEAs) were designed to achieve exceptional comprehensive mechanical properties. The results show that the phase structure of the AlxCoCrFe2Ni ...
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Article
Efficient Separation of Iron and Alumina in Red Mud Using Reduction Roasting and Magnetic Separation
Gibbsite-type bauxite is the main material for alumina extraction by Bayer process globally, while the iron in red mud is difficult to use for the high alumina content. Therefore, the efficient separation of i...
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Article
Efficient Vanadium Extraction from Vanadium Slag by Roasting-Free Assisted Acid Leaching: Pure Oxygen Oxidation of Molten Vanadium Slag
A method of roasting-free vanadium recovery from molten vanadium slag via pure oxygen oxidation-assisted acid leaching was investigated in order to implement efficient and green vanadium recovery. The oxidatio...
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Article
Achieving high carrier mobility and low lattice thermal conductivity in GeTe-based alloys by cationic/anionic co-do**
The IV–VI compound GeTe is considered as a promising alternative to the toxic PbTe for high-efficiency mid-temperature thermoelectric applications. However, pristine GeTe suffers from a high concentration of G...
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Article
Convenient room-temperature synthesis of sulfur and nitrogen co-doped NiCo-LDH coupled with CNTs on NiCo foam as battery-type electrode for high performance hybrid supercapacitor
The convenient synthesis of the composite electrode with high supercapacitance performance plays an important role in practical application but is challenging. Herein, the carbon nanotubes (CNTs) coupled with ...
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Article
On the Phase Configurational Entropy of Dual-Phase γ/γ′ Multi-principal Element Alloys: A Case Study on the Al–Cu–Fe–Ni–Ti System
Configurational entropy is an important indicator of the formability of single solid solutions in multi-principal element alloys, typically estimated by using nominal compositions. However, nearly half of repo...