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Article
Density functional theory study of adsorption of H2O on γ-U(110) surface
The adsorption and dissociation of H2O on γ-U(110) surface have been studied using density functional theory calculations. For molecular adsorption, the water molecules prefer to be adsorbed parallelly on the top...
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Article
Temperature Effect on Early Oxidation Behavior of NiCoCrAlY Coatings: Microstructure and Phase Transformation
Initial oxidation behavior of NiCoCrAlY coating prepared by arc-ion plating has been studied in air at 900, 1000 and 1100 °C. The results showed that phase transformation from transient θ-Al2O3 to α-Al2O3 was hig...
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Article
Microstructure and cyclic oxidation of a Hf-doped (Ni,Pt)Al coating for single-crystal superalloys
A diffusion-barrier-contained Hf-doped (Ni,Pt)Al coating was prepared by firstly composite electroplating and then aluminising. The TEM study of the microstructure showed that Hf serves as a solid solution in ...
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Article
Multicomponent bulk metallic glasses with elevated-temperature resistance
Metallic glasses have attractive properties, but since the glassy state is inherently metastable, they are not normally considered for applications at elevated temperatures. Yet, studies have shown that multic...
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Article
Open AccessNovel Heating-Induced Reversion during Crystallization of Al-based Glassy Alloys
Thermal stability and crystallization of three multicomponent glassy alloys, Al86Y7Ni5Co1Fe0.5Pd0.5, Al85Y8Ni5Co1Fe0.5Pd0.5 and Al84Y9Ni4Co1.5Fe0.5Pd1, were examined to assess the ability to form the mixture of a...
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Article
Complex Multidimensional Scaling Algorithm for Time-of-Arrival-Based Mobile Location: A Unified Framework
Localization of mobile station (MS) is a very popular research topic at present. In this study, a novel complex framework of multidimensional scaling (MDS) algorithm for positioning a stationary target is intr...
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Article
High formability of glass plus fcc-Al phases in rapidly solidified Al-based multicomponent alloy
A multicomponent Al84Y9Ni4Co1.5Fe0.5Pd1 alloy was found to keep a mixed glassy + Al phases in the relatively large ribbon thickness range up to about 200 μm for the melt-spun ribbon and in the diameter range up t...
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Article
A study of the parity-odd nucleon-nucleon potential
We investigate the parity-violating nucleon-nucleon potential as obtained in chiral effective field theory. By using resonance saturation we compare the chiral potential to the more traditional one-meson-excha...
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Article
All fiber supercontinuum light source using photonic crystal fibers pumped by nanosecond fiber laser pulses
A novel compact supercontinuum (SC) source using the single mode photonic crystal fibers (PCF) pumped with an all fiber MOPA fiber laser is demonstrated experimentally. A bandwidth of 700 nm is achieved by ope...
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Article
Characterization of self-organized TiO2 nanotubes on Ti–4Zr–22Nb–2Sn alloys and the application in drug delivery system
In this study, the self-organized TiO2 nanotubes grown by anodization of Ti–4Zr–22Nb–2Sn at different potentials, concentration of NH4F and anodization time was investigated. The morphology of nanotubes was obser...
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Article
Implementing multi-qubit entanglement of two-level systems inside a superconducting phase qubit
The interaction between a superconducting phase qubit and the two-level systems located inside the Josephson tunnel barrier is described by the XY model, which is naturally used to implement the i-SWAP gate. Wit...
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Article
Quantum computation in a decoherence-free subspace with superconducting devices
We propose a scheme to implement quantum computation in decoherence-free subspace with superconducting devices inside a cavity by unconventional geometric manipulation. Universal single-qubit gates in encoded ...
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Article
Comparison of membrane extraction with traditional extraction methods for biodiesel production
Three traditional methods for the refining step in biodiesel production were compared: (i) washing with distilled water; (ii) washing with acid (HCl); and (3) dissolving and extracting in a solvent (hexane or ...
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Article
Matrix elements of four-quark operators relevant to life time difference \(\Delta \Gamma _{B_s}\) from QCD sum rules
We extract the matrix elements of four-quark operators \(O_{L,S}\) relevant to the \(B_s\) and \({\bar B}_s\)
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Article
Couplings of pions with excited heavy mesons from light-cone QCD sum rules in the leading order of HQET
The couplings of pions with lowest three doublets \((0^-, 1^-)\) , \((0^+,1^+)\) and \((1^+,2^+)\) of heavy...