Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Dongfeng Ji"'
Autor:
Dongfeng Ji, Bo Zhang, Jiale Wang, Yilin Yang, Yang Liu, Yiwei Wang, Zhongqian Niu, Yong Fan, Xiaodong Chen
Publikováno v:
IEEE Access, Vol 8, Pp 22506-22514 (2020)
In this paper, the influence of the silver glue on circuit performance and the reasons for its formation are analyzed in a terahertz hybrid integrated mixer. A validation analysis was carried out in the 600 - 700 GHz band with the aid of simulation s
Externí odkaz:
https://doaj.org/article/983a177f9ba14ffaa86f289e4eb0e319
Publikováno v:
IEEE Access, Vol 8, Pp 31214-31226 (2020)
A wideband 220 GHz subharmonic mixer based on monolithic integration technology is proposed in this paper. It features 12 Mm-thick GaAs membrane with anti-parallel Schottky diodes working at THz band monolithically integrated on the membrane. The opt
Externí odkaz:
https://doaj.org/article/5568da41730e4a2497821a17305adc29
Publikováno v:
IEEE Access, Vol 8, Pp 74401-74412 (2020)
In this paper, the development of two high power 220 GHz frequency triplers is proposed. The GaAs Schottky diodes with six nodes are applied to realize high efficiency 220 GHz tripler, while the application of GaN Schottky diodes with eight nodes is
Externí odkaz:
https://doaj.org/article/a79ee45862ae4f17ab70215e52122791
Publikováno v:
IEEE Access, Vol 7, Pp 50007-50011 (2019)
This paper proposes a novel 220-GHz third-harmonic mixer, which using a waveguide-fin-coplanar waveguide-microstrip line hybrid transmission line as the carrier circuit, based on the balanced structure and the co-directional diode pair. The hybrid tr
Externí odkaz:
https://doaj.org/article/90101c16523d457f93c33b6d10b2c959
Publikováno v:
Journal of Functional Foods, Vol 52, Iss , Pp 63-72 (2019)
1-Deoxynojirimycin (DNJ) is an effective anti-diabetic agent with potent α-glucosidase-inhibiting activity. Here we show that DNJ exhibits gender-specific modulating effects on hypercholesteremia and gut microbiota. Oral administration of DNJ for 12
Externí odkaz:
https://doaj.org/article/6fbf3017a8344d50afeef8bd88ed19c7
Autor:
Yang Liu, Bo Zhang, Yinian Feng, Xiaolin Lv, Dongfeng Ji, Zhongqian Niu, Yilin Yang, Xiangyang Zhao, Yong Fan
Publikováno v:
Applied Sciences, Vol 10, Iss 21, p 7924 (2020)
Frequency multipliers and mixers based on Schottky barrier diodes (SBDs) are widely used in terahertz (THz) imaging applications. However, they still face obstacles, such as poor performance consistency caused by discrete flip-chip diodes, as well as
Externí odkaz:
https://doaj.org/article/1ef432c7520542c0be5d5943c9906283
Autor:
Yuqing Sun, Shi Zhong, Jiaqi Yu, Jianxun Zhu, Dongfeng Ji, Guiyan Hu, Chongming Wu, Yougui Li
Publikováno v:
PLoS ONE, Vol 13, Iss 10, p e0205007 (2018)
Phellinus igniarius, which is called Sanghuang in Chinese, is a fungal herb widely used in Traditional Chinese Medicine to treat stomachache, inflammation and tumors. Recent studies have demonstrated the antitumor, anti-diabetic, anti-inflammatory an
Externí odkaz:
https://doaj.org/article/5adca50f7b11423ca17fc0a922d49cc2
Autor:
Yan Liu, Dongfeng Ji, Robert Turgeon, Jine Chen, Tianbao Lin, Jing Huang, Jie Luo, Yan Zhu, Cankui Zhang, Zhiqiang Lv
Publikováno v:
International Journal of Molecular Sciences, Vol 20, Iss 10, p 2486 (2019)
Intensive investigations have been conducted on the effect of sole drought or salinity stress on the growth of plants. However, there is relatively little knowledge on how plants, particularly woody species, respond to a combination of these two stre
Externí odkaz:
https://doaj.org/article/44689de715c24e70b305ecd4ae4ca8d0
Publikováno v:
Frontiers in Nutrition, Vol 11 (2024)
BackgroundThe Geriatric Nutritional Risk Index (GNRI) is a straightforward and objective tool for nutritional screening in older patients and has been demonstrated to possess prognostic predictive value in several diseases. Nonetheless, there is a la
Externí odkaz:
https://doaj.org/article/75077829831141c29ed611891b4cfc24
Publikováno v:
Veterinary Sciences, Vol 11, Iss 9, p 392 (2024)
Porcine reproductive and respiratory syndrome (PRRS) has caused substantial damage to the pig industry. MicroRNAs (miRNAs) were found to play crucial roles in modulating the pathogenesis of PRRS virus (PRRSV). In the present study, we revealed that P
Externí odkaz:
https://doaj.org/article/d4612e7deb3c45b7a636255750412cfe