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Article
Equivalent power densities model for multi-pulse ultrashort pulsed laser processing
Ultrashort pulsed laser, due to its extremely high peak power density, has been widely used for high precision, rapid and programmable manufacture. Several models, such as two-temperature model (TTM) and a mol...
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Article
Open AccessSynergistic oxidation of toluene through bimetal/cordierite monolithic catalysts with ozone
Toluene treatment has received extensive attention, and ozone synergistic catalytic oxidation was thought to be a potential method to degrade VOCs (violate organic compounds) due to its low reaction temperatur...
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Article
Open AccessBacterially synthesized tellurium nanostructures for broadband ultrafast nonlinear optical applications
Elementary tellurium is currently of great interest as an element with potential promise in nano-technology applications because of the recent discovery regarding its three two-dimensional phases and the exist...
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Article
Laser-induced periodic surface structures on 6H-SiC single crystals using temporally delayed femtosecond laser double-pulse trains
In this paper, a time-delay-adjustable double-pulse train with 800-nm wavelength, 200-fs pulse duration and a repetition rate of 1 kHz, produced by a collinear two-beam optical system like a Mach–Zehnder inter...
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Article
Azimuthal angle- and scanning pitch-dependent colorization of metals by ultrashort laser pulses
We report the modification of optical properties of 304 stainless steel surfaces by femtosecond laser direct writing with different scanning pitches. Regularly arranged ripples with a spatial period of ~700 nm...
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Article
Modulation of dry tribological property of stainless steel by femtosecond laser surface texturing
We reported on the modification of tribological properties of stainless steel by femtosecond laser surface microstructuring. Regular arranged micro-grooved textures with different spacing were produced on the ...
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Chapter and Conference Paper
Analysis of Factors Affecting Launching Sports in Sun in Colleges and Universities
In this paper, the document reference, questionnaire survey, logic analysis and mathematical statistics methods are used to analyze the progress of launching the sports in the sun in some colleges and universi...
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Chapter and Conference Paper
Research on University Students’ Subhealth and Time Management Disposition
Six hundred Multidimensional Sub-health Questionnaires of Adolescents (MSQA) have been issued at random in ten universities in Changchun City and 184 sub-healthy university students have been screened out to b...
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Chapter and Conference Paper
Research on Social Value of Leisure Sports
The paper deals with the significance of education on leisure sports in colleges and universities from the angles of its educational value and its social value of promoting harmony through literature consultat...
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Chapter and Conference Paper
Research of Teaching Environment of P.E
Teaching of human beings can never be conducted without the support of environment. The elements of teaching environment are in all of aspects and stages of teaching in different forms, and imperceptibly influ...
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Article
Synthesis of nanocrystalline cubic zirconia using femtosecond laser ablation
We report on the synthesis of nanocrystalline zirconia in liquid using femtosecond laser ablation. Nanocrystalline cubic zirconia has been prepared by femtosecond laser ablation of zirconium in ammonia, while ...
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Article
Space-Selective Precipitation of Au Nanoparticles Inside Silica Gel
Au colloids were prepared by irradiation with a Nd:YAG laser. Au nanoparticles were characterized by absorption spectra, transmission electron microscopy (TEM) and X-ray diffraction (XRD) analysis. It is found...
