Zobrazeno 1 - 10
of 113
pro vyhledávání: '"Qian Ma"'
Publikováno v:
Journal of Lightwave Technology. 39:6599-6605
The apparent increase in magnetic field measurement has led to a growing demand for new sensing technologies. However, a long-lasting challenge unaddressed is how to achieve ultrahigh sensitive magnetic field measurement in both amplitude and orienta
Publikováno v:
Process Safety and Environmental Protection. 153:225-238
Ignition of coal dust caused by hot particles (ICDHP) will lead to serious combustion or explosion. In this work, the coupling details of multi–physical fields of the ICDHP were established. Two different chemical reactions of flaming combustion of
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 69:1772-1779
This article presents a low-power, high-gain, high-linearity phased-array transmit (Tx) beamformer chip in a 45-nm RFSOI process. An architecture employing a power amplifier with neutralization, a 180° active phase shifter and 11/22/45/90° passive
Publikováno v:
ENERGY & ENVIRONMENTAL MATERIALS. 4:522-543
Publikováno v:
Current Applied Physics. 21:161-169
Uniform flower-like α-Fe2O3 architectures with self-assembled core-shell nanorods are constructed and successfully prepared via the facile process. The concentration of Fe salt plays a great significance for morphological evolution from nanorods to
Publikováno v:
Solar Energy. 211:988-998
The lead-free glass frit is prepared by melt-quenching method, and then the graphene oxide (GO) was sufficiently mixed with the glass frit. Finally, by a reduction reaction, the lead-free graphene-glass frit composites is obtained. When the reducing
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 68:4753-4764
This article presents a 5G 37–42-GHz $8\times 8$ phased array. The array is based on $2\times 2$ SiGe transmit/receive (TRX) beamformer chips in the SiGe technology with 6 bits of phase control and 8 bits of gain control. A detailed study is presen
Publikováno v:
ACS Central Science
ACS Central Science, Vol 6, Iss 12, Pp 2209-2216 (2020)
ACS Central Science, Vol 6, Iss 12, Pp 2209-2216 (2020)
Lithium-ion-assisted ultrafast charging double-electrode smart windows with energy storage and a fluorescence display device (FTO/PB/Ru@SiO2||Ru@SiO2/WO/FTO) based on double electrochromic electrodes (cathode and anode) (FSDECEs) have been designed a
Autor:
Yeon Ui Lee, Junxiang Zhao, Shilong Li, Ratnesh Lal, Zhaowei Liu, Guangru Li, Jin Zhang, Qian Ma, Gary C. H. Mo, Qingqing Yang
Publikováno v:
Nano Letters. 20:6038-6044
The past two decades have witnessed a dramatic progress in the development of novel super-resolution fluorescence microscopy technologies. Here, we report a new fluorescence imaging method, called metamaterial-assisted photobleaching microscopy (MAPM
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 68:1794-1808
This article presents a packaged SiGe BiCMOS reflectometer for 0.01–26-GHz two-port vector network analyzers (VNAs). The reflectometer chip is composed of a resistive bridge coupler and two wideband heterodyne receivers for coherent magnitude and p