Zobrazeno 1 - 10
of 270
pro vyhledávání: '"Jiu-Sheng Li"'
Autor:
Jian-Zhong Sun, Jiu-Sheng Li
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
We propose a broadband adjustable graphene absorber in terahertz regime. A prototype is designed to verify the terahertz absorption characteristics by a periodic array layer of series asymmetric oval-shaped graphene patterns on polyimide and bottom l
Externí odkaz:
https://doaj.org/article/f42393e69c594f54b98ac27cf4b791d2
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
Various applications of terahertz technology require a large number of various terahertz wave control devices. Yet, high efficient and rapid-response terahertz switch is still a great challenge. Here, we introduce a new scheme, based on inorganic per
Externí odkaz:
https://doaj.org/article/99e076ae9fa2446a9de438196a839ccb
Autor:
Ri-Hui Xiong, Jiu-sheng Li
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
We have fabricated a Jesus-cross structure on aluminum foil using the femtosecond laser technique. Using the terahertz time-domain spectroscopy (THz-TDS) system, the transmission properties of free-standing double-layer crossing fractal structure are
Externí odkaz:
https://doaj.org/article/a2347a334f2e4a2f92d97879b3c18c7d
Publikováno v:
Journal of Integrative Agriculture, Vol 17, Iss 3, Pp 677-692 (2018)
Drip-irrigation is increasingly applied in maize (Zea mays L.) production in sub-humid region. It is critical to quantify irrigation requirements during different growth stages under diverse climatic conditions. In this study, the Hybrid-Maize model
Externí odkaz:
https://doaj.org/article/8d001399c7d549cf8793fa2d2d51dc81
Autor:
Jiu-sheng Li, Jian-quan Yao
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 5, Pp 1-12 (2018)
Coding metasurface offers a promising way for manipulating electromagnetic waves using several structural metaparticles or changing the metaparticle geometry parameters. It leads to time-consuming optimization in multibit coding designs. Different fr
Externí odkaz:
https://doaj.org/article/8ab4ac4ed9294c609f7da79ee9550674
Autor:
Shao-He Li, Jiu-Sheng Li
Publikováno v:
AIP Advances, Vol 9, Iss 3, Pp 035146-035146-9 (2019)
A multifunctional frequency coding metasurface is proposed in terahertz frequency band. Different from the previous coding metasurface with a fixed phase difference of the neighbor coding unit cells in the whole working frequency band, the proposed f
Externí odkaz:
https://doaj.org/article/23e40b74aa7d47e7827ba325b2d00338
Publikováno v:
Journal of Integrative Agriculture, Vol 15, Iss 7, Pp 1625-1637 (2016)
Understanding bacterial transportation in unsaturated soil is helpful for reducing and avoiding pathogenic contamination that may be induced by irrigation with reclaimed waste water and for developing better irrigation management practices. Experimen
Externí odkaz:
https://doaj.org/article/4ba5a9c8f5ca4d628909f53df9d9e0f9
Publikováno v:
Journal of Integrative Agriculture, Vol 14, Iss 12, Pp 2434-2445 (2015)
The aim of drip fertigation is synchronising the application of water and nutrients with crop requirements, and maintaining the proper concentration and distribution of nutrient and water in the soil. The wetting patterns and nutrient distributions u
Externí odkaz:
https://doaj.org/article/200a5f85d0494062ac83eed2a5a1db9f
Publikováno v:
Journal of Integrative Agriculture, Vol 13, Iss 9, Pp 2049-2060 (2014)
Chlorination is usually an economical method for treating clogging in drip emitters during sewage application. Appropriate assessment of the responses of soil and crop is essential for determining an optimal chlorination scheme. During 2008 to 2009,
Externí odkaz:
https://doaj.org/article/be5649665aa64883905ec079eb217ccd
Publikováno v:
Journal of Integrative Agriculture, Vol 12, Iss 5, Pp 924-939 (2013)
The dynamics of water and salt in soil were monitored in the 2010 and 2011 growing seasons of cotton to evaluate the salinity risk of soil under drip irrigation in arid environments for different management practices of drip system uniformity and irr
Externí odkaz:
https://doaj.org/article/1de3beb4341e4fb3b5fa668e9cf8df79