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877 Result(s)
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Article
Facile synthesis of copper sulfide wire/carbon nanotube composite with improved sodium storage performance
One-dimensional copper sulfide (CuS) wires were realized by the acrylamide-assisted hydrothermal process using Cu(NO3)2 and thiourea (NH2CSNH2) as reactants at 100 °C. A copper sulfide/carbon nanotube (CNTs) comp...
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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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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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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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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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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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Global profiling of functional histidines in live cells using small-molecule photosensitizer and chemical probe relay labelling
Recent advances in chemical proteomics have focused on develo** chemical probes that react with nucleophilic amino acid residues. Although histidine is an attractive candidate due to its importance in enzyma...
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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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Article
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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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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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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Dually Confined Ni-based Catalysts by Ion-Exchange Inverse Loading for Dry Reforming of Methane
Producing syngas from dry reforming of methane is fascinating but challenging because of coking and sintering. Herein, fine Ni nanoparticles surrounded by Al2O3 are constructed by ion-exchange inverse loading met...
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Hydrophobic and anti-fouling polyelectrolyte complex coating for durable flame-retardant cotton fabric
Surface treatment is one of the most effective ways to impart flame retardancy to fabrics, woods, etc. Especially, water-soluble polyelectrolyte complex (PEC) coating deposition is one of the most environmenta...
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Open AccessA divergent intermediate strategy yields biologically diverse pseudo-natural products
The efficient exploration of biologically relevant chemical space is essential for the discovery of bioactive compounds. A molecular design principle that possesses both biological relevance and structural div...
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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
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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Enhancing CO2 Hydrogenation to Methanol via Constructing Cu–ZnO–La2O3 Interfaces
Catalytic conversion of CO2 to methanol with H2 from renewable energy has attracted increasing interest as a promising strategy for reducing excessive CO2 emissions. However, the performance of reported various c...
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Triggering effect of ultra small Pd nanoparticles on hydrogenation of tetraacetyldibenzylhexaazaisowurtzitane (TADBIW)
Herein, we prepared Pd nanoparticle (NP) catalysts using XC-72 carbon supports through a tailored deposition–precipitation method. Our primary objective was to unravel the size effects of Pd NPs on hydrogenati...
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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...