24 Result(s)
within
Du **n-hua
Physical Chemistry
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Article
Effect of Al content in molten steel on interaction between MgO–C refractory and SPHC steel
The effect of Al content in molten steel on the interaction between SPHC steel (0.005–0.068 wt.% Als and 19 × 10−4–58 × 10−4 wt.% O) and MgO–C refractory (11.63 wt.% C) was investigated. Non-metallic inclusions i...
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Article
Anti-saturation fault-tolerant adaptive torsional vibration control with fixed-time prescribed performance for rolling mill main drive system
An anti-saturation fault-tolerant adaptive torsional vibration control method with fixed-time prescribed performance for the rolling mill main drive system (RMMDS) was investigated, which is affected by contro...
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Article
Amino-acids-functionalized M13-assisted synthesis of silver and silver sulfide nanoparticles
Bio-mineralization has been explored to synthesize nanomaterials with exquisite structures and amazing properties. Amino-acids-functionalized filamentous M13 virus was applied as a scaffold for the synthesis o...
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Article
Hydrogen storage properties of Li–Mg–N–B–H/ZrCoH3 composite with different ball-milling atmospheres
Li–Mg–N–B–H/ZrCoH3 composites were successfully synthesized by ball milling of the reactants under argon and hydrogen atmosphere, respectively. The composite synthesized by reactive ball milling (RBM) under hydro...
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Article
A three-dimensional Pb-centered coordination framework: crystal structure and electrochemiluminescent property
Rigid, dicarboxylic acid ligand 5-(4-carboxyphenyl)-1H-pyrazole-3-carboxylic acid (H3L) has been synthesized and utilized for assembling a metal organic framework [Pb2(HL)2]n through the hydrothermal technique. T...
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Article
Hydrogen trap** and electrochemical corrosion behavior of V–N microalloyed X80 pipeline steels consisting of acicular ferrite and polygonal ferrite
Hydrogen trap** behavior of V–N microalloyed X80 pipeline steels was studied by means of hydrogen permeation and hydrogen induced cracking (HIC) tests. In addition, the electrochemical performance of the ste...
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Article
Self-assembly construction of NiCo LDH/ultrathin g-C3N4 nanosheets photocatalyst for enhanced CO2 reduction and charge separation mechanism study
Graphite phase carbon nitride (g-C3N4) is a promising catalyst for artificial photocatalytic carbon dioxide (CO2) reduction. However, the fast carrier recombination and the inadequacy of the CO2 reduction active ...
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Fabrication of superhydrophobic photothermal conversion fabric via layer-by-layer assembly of carbon nanotubes
Photothermal conversion material that generates thermal energy from sunlight is expected to be a promising technology for harvesting and conversion of clean solar energy. However, its photothermal conversion w...
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Article
Four supramolecular transition metal(II) complexes based on triazole-benzoic acid derivatives: crystal structure, Hirshfeld surface analysis, and spectroscopic and thermal properties
Four new complexes [M(3-tba)2(H2O)4] (1–3) and [Co(4-tba)2(H2O)4] (4) {M = Zn (1), Ni (2), Co (3), 3-Htba = 3-(1H-1,2,4-triazol-1-yl)benzoic acid, 4-Htba = 4-(1H-1,2,4-triazol-1-yl)benzoic acid} have been synthes...
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Article
Crystal structure, spectroscopic and thermal properties of copper(II) and manganese(II) coordination polymers based on triazole-benzoic acid ligands
Two transition metal coordination polymers {[Cu(tba)2(H2O)]·2H2O} n (1) and {[Mn(Htta)2(H2O)2]·2H2O} n (2) {Htba = 3-[1,2,4]triazol-1-yl-benzo...
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Article
A performance comparison of two kinds of liquid scintillation counters from PerkinElmer, Inc.
The two kinds of liquid scintillation counters (LSCs) from PerkinElmer, Quantulus GCT 6220 and Quantulus 1220, have been compared on their basic performances, i.e., background count rate, counting efficiency, ...
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Article
Synthesis, crystal structures, and antibacterial studies of silver(I) complexes with reduced Schiff base amino acid ligands
Three Ag(I) complexes of reduced Schiff base amino acid ligands, [Ag2(Hshis)2]·3H2O (1), Ag(Hcgly) (2), and Ag(cala) (3) (H2shis = N-(2-hydroxybenzyl)-l-histidine, H2cgly = N-(2-hydroxy-5-chlorobenzyl)-glycine, H...
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Article
Microstructure and wear-resistant properties of NiCr–Cr3C2 coating with Ni45 transition layer produced by laser cladding
NiCr–Cr3C2 metal–ceramic composite coating is commonly produced on metal substrate by laser cladding to be used as wear-resistant coating under medium- or high-temperature working conditions. The coating has high...
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Article
Effect of Ti(CN) Precipitation on Texture Evolution and Fish-Scale Resistance of Ultra-Low Carbon Ti-Bearing Enamel Steel
The Ti(C,N) precipitation and texture evolution in ultra-low carbon Ti-bearing enamel steel were studied to discover their correlation. Two different cooling paths of simulative coiling were adopted to gain di...
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Article
Multi-Objective Load Distribution Optimization for Hot Strip Mills
Load distribution is a key technology in hot strip rolling process, which directly influences strip product quality. A multi-objective load distribution model, which takes into account the rolling force margin...
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Article
Two dinuclear copper(II) complexes based on 5,6-dimethylbenzimidazole ligands: synthesis, crystal structures, and catalytic properties
Two new dinuclear copper(II) complexes, Cu2(L1)4(mal)2(H2O)2 (1) (L1 = 5,6-dimethylbenzimidazole, mal = malonate), Cu2(L2)2(pydca)2·4H2O (2) (L2 = 1,5-bis(5,6-dimethylbenzimidazole)pentane, pydca = pyridine-2,6-d...
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Article
Relationship Among Microstructure and Properties and Heat Treatment Process of Ultra-High Strength X120 Pipeline Steel
The variation of heat treatments including directed quenching and tempering off-line after controlled rolling (DQT) and quenching off-line and tempering off-line after controlled rolling (RQT) with microstruct...
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Article
Synthesis and Crystal Structure of Copper(II)-Hexafluoro-Acetylacetonate Complexes with Pyridyl-Substituted Nitronyl and Imino-Nitroxide Radicals
A one-dimensional chain compound was formed by copper (II) hexafluoroacetylacetonate (hfac) and nitroxide radical 2-(4-pyridyl)-4,4,5,5-tetramethyl-imidazoline-1-oxyl-oxide (NITpPy). The product was structural...
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Article
Development of Nb-V-Ti hot-rolled high strength steel with fine ferrite and precipitation strengthening
A hot-rolled steel with high yield strength of 700 MPa, good elongation of about 20% and low ductile-brittle transition temperature (DBTT) lower than −70°C has been developed in laboratory. The results show th...
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Article
Three Novel Rare-earth Complexes with Nitronyl Nitroxide Radical [RE(hfac)3 (NITPhOCH3)2] [RE = GdIII, YIII and ErIII]: Syntheses, Crystal Structures and Magnetic Properties
Three novel isomorphous complexes of formula [RE(hfac)3(NITPhOCH3)2], where RE = GdIII, YIII and ErIII; hfac = hexafluoroacetylacetonate; NITPhOCH3 = 4′-methoxyphenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide...
