Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Minghua Liu"'
Publikováno v:
2021 International Conference on Internet, Education and Information Technology (IEIT).
With the rapid development of science and technology and the proposed of the core literacy of senior high school geography subject, more and more video shooting technology and video resources have been applied to geography teaching. The effective int
Publikováno v:
2019 IEEE International Ultrasonics Symposium (IUS).
Particulate matter 2.5 is of great harm to human health. We proposed a novel PM2.5 monitor based on surface acoustic wave (SAW), which mainly consists of a SAW dual-resonator oscillator, a thermophoresis unit, and a virtual impactor. In this paper, t
Publikováno v:
2019 13th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA).
This paper presents an optimal design on surface wave acoustic based particulate matter 2.5 monitor by improving the hot source structure in the monitor system. A kind of micro-heater was made on the quartz glass substrate based on MEMS technology, r
Publikováno v:
2019 13th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA).
As the interdigital transducer(IDTs) material in the SAW gas detector combined with the gas chromatography is vulnerable to the corrosion of the gas environment, this paper studied the influence of the Al/Au double-layer electrode structure on its se
Publikováno v:
2019 13th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA).
In this paper, the effect of annealing temperatures on electrode surface roughness and on sensitivity of the SAW detectors in SAW GCS(surface acoustic wave gas Chromatography system) were studied. The electrode surface roughness of the surface acoust
Publikováno v:
2018 International Conference on Power System Technology (POWERCON).
Input-output evaluation is an important index to measure the effect of power grid project. In order to assist the precision investment of Power Grid Corp, a new method of input-output evaluation based on functional orientation and taking into account
Publikováno v:
2016 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA).
This paper presented a surface acoustic wave (SAW) based particulate matter (PM) 2.5 monitor, which consisted of a SAW dual-resonator oscillator, a thermophoresis unit and a virtual impactor. The structure optimization for improving the performance o
Publikováno v:
2015 IEEE International Ultrasonics Symposium (IUS).
This paper presented an optimal design on GC/SAW gas sensors by adjusting the resonant cavity of the SAW device used in the sensor system. Experimental results from the developed sensor system towards dimethyl methylphosphonate (DMMP) detection indic
Publikováno v:
Proceedings of the 2014 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications.
Publikováno v:
Proceedings of the 2014 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications.