656 Result(s)
within
**-ming Li
Characterization and Evaluation of Materials
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Article
Non-firing Synthesis for Oxides: From Natural to Synthetic Forms with Energy-Efficient and Sustainable Processes
Non-firing functional oxide materials are attracting significant interest due to their suitability for a wide range of applications, particularly in thermal, electrical, and architectural fields. These materia...
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Article
Asymmetric catalytic synthesis of chiral covalent organic framework composite (S)-DTP-COF@SiO2 for HPLC enantioseparations by normal-phase and reversed-phase chromatographic modes
A novel CCOF core–shell composite material (S)-DTP-COF@SiO2 was prepared via asymmetric catalytic and in situ growth strategy. The prepared (S)-DTP-COF@SiO2 was utilized as separation medium for HPLC enantiosepar...
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Article
A dual-satellite joint positioning method with improved CTSL for high-speed targets
High-precision space-based optical positioning contributes a lot to high-speed targets’ instantaneous and accurate tracking and trajectory prediction. However, because of the line-of-sight (LOS) calibrated err...
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Article
Molecular dynamics (MD) study to predict performances of a novel hexanitrohexaazaisowurtzitane/1,4-dinitroimidazole (CL-20/1,4-DNI) energetic cocrystal under different temperatures
To estimate the influence of temperature on properties of 2,4,6,8,10,12-hexanitro- 2,4,6,8,10,12-hexaazaisowurtzitane/1,4-dinitroimidazole (CL-20/1,4-DNI) cocrystal explosive, the supercell crystal of CL-20/1,...
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Article
Study of the Propane Detonation Spraying under Different Gun Structures
Detonation spraying is a technique that uses the high-temperature, high-velocity detonation waves to deposit the molten metal particles onto the target surface. The effect of the detonation spraying is influen...
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Article
Simultaneously Improved Curing, Mechanical, Antioxidative Properties and Reduced ZnO Loading of Silica Filled NR Composites by Incorporation of Low-cost Crude Carbon Dots via Conventional Melt-milling Method
Rubbers or elastomers play an important role in hi-tech technology and civilian daily life because of their unique and strategical properties. Generally, the rubber additives are essential components for rubbe...
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Article
Unconventional Fluorescent and Multi-responsive Polyethyleneimine with LCST and UCST Behavior: Synthesis, Characterization and Biological Applications
Non-aromatic fluorescent and multi-responsive materials, exhibiting inherent fluorescence emission and controlled phase change, have garnered significant attention in recent years. However, the underlying inte...
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Article
Elucidating the dependence of corrosion behavior and mechanical property on the grain structure of low-temperature as-extruded Mg–Zn–Ca–Zr alloy
In this work, the synergistic influences of grains structure, precipitate phase particles and crystal orientation on corrosion mechanism of low-temperature as-extruded Mg–4.6Zn–0.3Ca–0.4Zr (wt%) alloys were sy...
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Article
Investigation on UV-curing Reprocessable Thermosets Bearing Hindered Urea Bonds and Their Composites with Modified Zinc Oxide Nanoparticles
In this study, a series of hindered urea bond (HUB) containing polyurethane-urea methacrylate prepolymers and a none HUB containing polyurethane methacrylate prepolymer were prepared using isobornyl methacryla...
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Article
Optimized wet-chemical synthesis of ultra-small CuO nanoparticles with high antibacterial activity
Copper oxide nanoparticles (CuO NPs) are attractive owing to their size- and shape-dependent properties, as well as their diverse applications. Therefore, the synthesis of environmentally friendly CuO NPs usin...
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Article
In situ synthesis of three-dimensional electrospun polyacrylonitrile nanofiber network reinforced silica aerogel for high-efficiency oil/water separation
In situ electrospun 3D polyacrylonitrile (PAN) nanofiber-reinforced (EPNR) silica aerogel monoliths were prepared through methyltriethoxysilane–trimethylchlorosilane modification followed by ambient pressure d...
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Article
Analysis of GaN crystal growth mechanism in liquid-phase epitaxial Na-flux method
The liquid-phase epitaxial growth (LPE) of GaN crystals on the MOCVD-GaN substrate using the Na-flux method was investigated under various growth times, 30, 60, 100, and 150 h. The morphology properties of as-...
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Article
Cyclic Pulsating Pressure Enhanced Segregating Structuration of Ultra-High Molecular Weight Polyethylene/Graphene Composites as High-performance Light-Weight EMI Shields
Currently, the enhancement in electromagnetic interference (EMI) performance of polymeric composite generally relies on either improving electrical conductivity (σ) for stronger electromagnetic (EM) reflections o...
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Article
Chiral-induced synthesis of chiral covalent organic frameworks core-shell microspheres for HPLC enantioseparation
Two chiral covalent organic frameworks (CCOFs) core-shell microspheres based on achiral organic precursors by chiral-induced synthesis strategy for HPLC enantioseparation are reported for the first time. Using...
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Article
Open AccessRotational magnetoelectric switching in orthorhombic multiferroics
Controlling the direction of ferromagnetism and antiferromagnetism by an electric field in single-phase multiferroics will open the door to the next generation of devices for spintronics and electronics. The t...
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Article
Effect of Pre-tempering and Double Normalizing on Microstructure and Mechanical Properties of Low Activation Steel
The effects of heat treatment conditions on the microstructures and mechanical properties of low activation steel with Y, Zr and Ti were investigated. Two heat treatment processes are designed to control the m...
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Article
Self-Healing of Kirkendall Voids and IMC Growth in the Interfacial Reaction of Novel Ni/Cu bi-layer Barrier and Solder
Single Ni layer is often inserted as diffusion barrier between Cu pillar and Sn-based solder to avoid excessive growth of brittle intermetallic compounds (IMCs) and consequent Kirkendall voids (KVs) in microbu...
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Article
Microstructure and Properties of Coarse Grain Zone in Single-Pass Welding of V-N Microalloyed Steel
The single-pass welding thermal simulation test of V-N micro-alloyed steel was carried out by MMS-300 thermal simulation testing machine, and combined with an optical microscope (OM), electron backscattering d...
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Article
Preheating-assisted solid-state friction stir repair of Al-Mg-Si alloy plate at different rotational speeds
Additive friction stir deposition (AFSD) is a novel structural repair and manufacturing technology has become a research hotspot at home and abroad in the past five years. In this work, the microstructural evo...
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Article
High-Entropy Oxide Solar Selective Absorber
Sputter-deposited high-entropy materials, including high-entropy alloy (HEA) and high-entropy oxide (HEO), are demonstrated for use as selective solar absorber coatings (SSCs). Multi-layer SSC consists of CrFe...
