Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yanlan He"'
Publikováno v:
Journal of infection in developing countries, 14(6):554-558
In the early stages of the coronavirus disease 2019 (COVID-19) outbreak in Wuhan, many cross-infections occurred due to the limited number of wards and insufficient medical staff, which could not cope with the large number of patients visiting the ho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::179003bd7cb69d498366ddce8c026c78
https://pubmed.ncbi.nlm.nih.gov/32683344
https://pubmed.ncbi.nlm.nih.gov/32683344
Publikováno v:
Defence Science Journal. 61:201-205
The sidelobe in diffraction efficiency of reflecting volume Bragg grating (RVBG) limits the wavelength channel spectral separation, which determines the combining power output in spectral beam combining (SBC) systems. A novel SBC system based on the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a22e971c0b19190024840a7cfefe8c0
https://doi.org/10.14429/dsj.61.528
https://doi.org/10.14429/dsj.61.528
Autor:
Gang Peng, Xueao Zhang, Jingyue Fang, Yanlan He, Shuang Li (黎双), Yi-Xing Liu (刘一星), Zheng-Wei Zhang (张正伟), Xinfang Zhang
Publikováno v:
Frontiers of Physics. 11
Decane is one of the volatile organic compounds (VOCs) in human breath. Successful detection of decane in human breath has vast prospects for early lung cancer diagnosis. In this paper, a novel detecting device based on a filter surface acoustic wave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2039ef2c392fb69df791754dd1f8b481
https://doi.org/10.1007/s11467-015-0519-4
https://doi.org/10.1007/s11467-015-0519-4
Autor:
Yanlan He, Xueao Zhang, Xinfang Zhang, Hang Yang, Wei Luo, Gang Peng, Zheng-Wei Zhang (张正伟), Yi-Xing Liu (刘一星)
Publikováno v:
Nanoscale Research Letters
The gas sensor based on pristine graphene with conductance type was studied theoretically and experimentally. The time response of conductance measurements showed a quickly and largely increased conductivity when the sensor was exposed to ammonia gas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::872e1d126a90b6a16ec97ac51a2fa5c9
https://pubmed.ncbi.nlm.nih.gov/26377212
https://pubmed.ncbi.nlm.nih.gov/26377212
Publikováno v:
Nano. 11:1650082
The photo-electrical properties of trilayer MoSe2 nanoflakes, fabricated by mechanical exfoliation, were systematically studied in this paper. The trilayer MoSe2 nanoflakes are n-type and possess a high gate modulation (On/Off ratio is larger than 10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e396c1166b1740fa8a67c62141af7bc5
https://doi.org/10.1142/s179329201650082x
https://doi.org/10.1142/s179329201650082x
Publikováno v:
SPIE Proceedings.
An innovative configuration - two pieces of reflection volume phase gratings superposed is put forward, in order to highly diffract the ultra-short laser pulse. Based on Kogelnik's coupled wave theory, and discrete Fourier transform, the diffraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fdde1e631bbc71e3254a961a237eb53
https://doi.org/10.1117/12.839586
https://doi.org/10.1117/12.839586
Publikováno v:
SPIE Proceedings.
Nowadays, the most widespread used space filters are pinhole filters, consisted of a lens with a pinhole in the focal plane, requiring for matching spatially a focused laser beam to a small hole. Experimentally, the initial alignment of spatial filte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea2db2da427b22e223ea5cfe69f53f8a
https://doi.org/10.1117/12.839636
https://doi.org/10.1117/12.839636
Publikováno v:
Optical Engineering. 50:074301
It is an effective approach to obtain high-power laser output by spectral beam combining (SBC) technologies. In this paper, a simple SBC system based on the superimposed reflective volume Bragg grating (RVBG) is proposed to reduce the scale of the SB
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd3f618e2a81515efe19d42663349447
https://doi.org/10.1117/1.3602893
https://doi.org/10.1117/1.3602893
Publikováno v:
Chinese Optics Letters. 9:030501
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f52d8ef179b281b8da5077184efbbeb
https://doi.org/10.3788/col201109.030501
https://doi.org/10.3788/col201109.030501
Autor:
Xiaodong Wang, Yanlan He, Yixing Liu, Jichun Tan, Guangwei Zheng, Xiaoyan Yu, Xiao Wang, Daoyi Ding, Haobin Zheng
Publikováno v:
Chinese Optics Letters. 8:738
Diffraction efficiency of volume Bragg grating, whose period is in the same order as the incident wavelength, is related to the polarization direction of the incident linear polarized beam. When two linearly polarized recording beams with the same po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5edf254e4dfc3fbf85258ef0f22e30da
https://doi.org/10.3788/col20100808.0738
https://doi.org/10.3788/col20100808.0738