Qiuyun Wang
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View article: The effects of Ag and Au nanoparticles for resonant excitations on the spectral enhancement of nanoparticle enhanced laser-induced breakdown spectroscopy
The effects of Ag and Au nanoparticles for resonant excitations on the spectral enhancement of nanoparticle enhanced laser-induced breakdown spectroscopy Open
We have investigated the spectral emission of Cu in an aqueous solution with Ag and Au nanoparticle (NP) enhanced laser-induced breakdown spectroscopy. Solutions of metal NPs and CuSO4 are prepared through the liquid–solid conversion proce…
View article: The effect of nanoparticle size on the spectral enhancement of NE-LIBS
The effect of nanoparticle size on the spectral enhancement of NE-LIBS Open
To reveal the effect of nanoparticle size on heavy metal element detection in sewage with nanoparticle enhanced laser induced breakdown spectroscopy (NE-LIBS), this study investigates the absorption spectra of Au and Ag NPs with the differ…
View article: Femtosecond laser-induced Cu plasma spectra at different laser polarizations and sample temperatures
Femtosecond laser-induced Cu plasma spectra at different laser polarizations and sample temperatures Open
Laser-induced breakdown spectroscopy (LIBS) is a good technique for detecting and analyzing material elements due to the plasma emission produced by the high-power laser pulse. Currently, a significant topic of LIBS research is improving t…
View article: Pandemic or panic? A firm-level study on the psychological and industrial impacts of COVID-19 on the Chinese stock market
Pandemic or panic? A firm-level study on the psychological and industrial impacts of COVID-19 on the Chinese stock market Open
View article: Design of Precision Finishing Method for Cold Extruded Sun Gear With Internal External Tooth Shapes
Design of Precision Finishing Method for Cold Extruded Sun Gear With Internal External Tooth Shapes Open
Due to the complex metal flow in the cold extrusion of sun gear, the teeth accuracy of formed sun gear is poor. In order to improve the accuracy of the extruded sun gear, a novel precision f inishing method was proposed in this study. A ne…
View article: Improvement of LIBS signal stability for NaCl solution using femtosecond laser-induced water film
Improvement of LIBS signal stability for NaCl solution using femtosecond laser-induced water film Open
This paper studies the analysis of Na element concentration in NaCl aqueous solution using laser-induced breakdown spectroscopy (LIBS). The NaCl solution is transformed to a thin water film. The water film can provide a stable liquid surfa…
View article: On the characterization of interstitial fluid flow in the skeletal muscle endomysium
On the characterization of interstitial fluid flow in the skeletal muscle endomysium Open