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Article
Thermal Conductivity of Gas Diffusion Layers of PEM Fuel Cells: Anisotropy and Effects of Structures
When addressing the proton exchange membrane (PEM) fuel cells, effective water management is essential for the system to respond promptly to electric power demands. The local water vapor saturation pressure an...
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Article
Periodic quenching modulated quantum phase transitions in transverse XY spin-chains
The XY spin-chain in transverse fields under the modulation of periodic quenching has been investigated in this paper. We have obtained the exact expression of the Floquet effective Hamiltonian and analyzed th...
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Article
Numerical Stability of Quantitative Characterization of Surface Cracks Using Laser Lock-in Thermography
The quantification of crack depth on the surface of aluminum alloy is a very important and challenging problem in nondestructive testing. At present, most of the methods using laser thermography utilize the de...
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Article
K-shell ionization of 25–100 keV Nq+ (q = 3, 5) ions im**ing on Al and Cu surfaces
In this paper, K-shell X-ray spectra of nitrogen are measured by the interaction of Nq+ (q = 3, 5) ions with Al and Cu surfaces in the impact energy range of 25–100 keV. K-shell X-ray yields per incident ion and ...
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Article
Recent progress in the development of KBe2BO3F2: a deep-UV nonlinear optical crystal
This review mainly introduces in detail the progress of KBBF crystal over the last decade, with a full description of its crystal growth, new phase in hydrothermal growth, revised Sellmeier equations of the re...
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Article
Low-threshold-intensity 3.8-W continuous-wave Ti:Sapphire oscillator directly pumped with green diodes
For fiber-coupled green laser-diode pump beam, a simple model was proposed to calculate the average outputs. Then we presented a direct-pum** continuous-wave Ti:Sapphire laser producing an optimized output o...
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Article
Static dipole polarizabilities of atoms and ions from Z = 1 to 20 calculated within a single theoretical scheme
Static dipole polarizabilities for the first 20 atoms and ions of the Periodic Table are calculated within a single theoretical scheme: the coupled-cluster method with a Hartree–Fock reference wavefunction usi...
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Article
Development of Digital Multi-channel and Time-division Pulse Height Analyzer Based on PXIE Bus for Hard X-ray Diagnostic in East
Pulse height analyzer (PHA) is an important component of hard X-ray diagnostic to measure energy spectrum in experimental advanced superconducting tokamak (EAST). In order to satisfy physics research of high p...
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Article
Radiative Fraction and Flame Length of Propane Jet Diffusion Flames in a Crossflow
Many industrial combustion devices rely on jet flame combustion in the crossflow to achieve mixing and reaction. Previous research offers a limited predictive capability regarding the coupling effects of the c...
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Article
Erratum to: The formation mechanism of aqueous hydrogen peroxide in a plasma-liquid system with liquid as the anode
We find that we made a mistake in the estimation of the H2O2 concentration by the colorimetric method in our previous paper (J. Lin et al., Eur. Phys. J. D (2020) 74: 80) [1].
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Article
The formation mechanism of aqueous hydrogen peroxide in a plasma-liquid system with liquid as the anode
We investigate the formation of aqueous hydrogen peroxide (H2O2aq) in a DC discharge plasma-liquid system with liquid as the anode. The theoretical analysis and experimental results show that the H2O2aq formation...
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Article
Open AccessMosquito counting system based on optical sensing
Mosquitos, sometimes carrying deadly diseases such as malaria, zika, and dengue fever, cause much concern. To control mosquitos, it is important to effectively monitor their presence and behavioral trends. We ...
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Article
Investigation on the LIF spectrum superposition of gas-phase PAH mixtures at elevated temperatures: potential for the analysis of PAH LIF spectra in sooting flames
Laser-induced fluorescence (LIF) technique has been widely used to measure the polycyclic aromatic hydrocarbons (PAHs) in sooting flames, but the assignment of the LIF signals measured in flames to specific PA...
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Article
Influence of Size of Tetrahedral Vortex Generators on Characteristics of MgO Particulate Fouling
The mechanism of the particulate fouling on the rectangular channel with tetrahedral vortex generators was investigated using magnesia nanoparticles. Using a set of orthogonal experiments, the effects of the h...
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Article
Efficient formation of stable ultracold Cs2 molecules in the ground electronic state via two-color photoassociation
The efficient formation of ultracold Cs2 molecules in a low vibrational state of the ground electronic state from ultracold cesium atoms via a two-color pump–dump photoassociation is theoretically investigated. ...
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Article
Measurement and extrapolation modeling of PAH laser-induced fluorescence spectra at elevated temperatures
The laser-induced fluorescence technique is widely used in the measurement of polycyclic aromatic hydrocarbons (PAHs) in sooting flames. One of the main limitations is the absence of the PAH fluorescence spect...
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Article
NMR Characterization of Pore Structure and Connectivity for Nano-self-assembly γ-Al2O3 and Precursor
Nano-self-assembly γ-Al2O3 (NSAA) is a catalytic material and can be used as a physical model of micro–nano-porous material for understanding shale and tight formations. Herein, we describe the development of an ...
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Article
Thermal oxidation-resistant GeO2 ATR hollow waveguide based on NiCr capillary tube and its thermal effects
Transmission characteristics of a metallic tube GeO2 ATR hollow waveguide degenerate due to metal thermal oxidation caused by transmission, coupling and misalignment losses. NiCr has intrinsic resistance to therm...
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Article
Quantitative Pointwise Estimate of the Solution of the Linearized Boltzmann Equation
We study the quantitative pointwise behavior of the solutions of the linearized Boltzmann equation for hard potentials, Maxwellian molecules and soft potentials, with Grad’s angular cutoff assumption. More pre...
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Chapter
Elucidating the Origins of Vibrational Coherences of Polyatomic Molecules Induced by Intense Laser Fields
Strong-field laser-molecule interaction can be used to trigger and probe ultrafast quantum dynamics. Previous studies aimed at elucidating the origins of vibrational coherences induced by intense laser fields ...