High-suppression three-pole tunable band-pass filter using square open-loop resonator

Autor: Xiao-Wei Zhu, Chanjiang You, Jing Liu, Luong Ngoc Quyen

Publikováno v: 2011 IEEE International Symposium on Antennas and Propagation (APSURSI).

Tunable band-pass filters using microstrip square open-loop resonator have been developed at 698-802 MHz band in this paper, which show steep skirt frequency response and narrow relative bandwidth. The microstrip square open-loop resonator is employe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20362135a4ddf9d30480b3fc64129914
https://doi.org/10.1109/aps.2011.6058708

High-suppression three-pole tunable band-pass filter using square open-loop resonator.

Autor: Jing Liu, Xiaowei Zhu, Luong Ngoc Quyen, Chanjiang You

Publikováno v: 2011 IEEE International Symposium on Antennas & Propagation (APSURSI); 2011, p3365-3368, 4p

Loss compensated high-Q tunable basspass filter using microstrip ring resonators.

Autor: Jia Chen, Luong Ngoc Quyen, Xiaowei Zhu

Publikováno v: International Conference on Advanced Technologies for Communications (ATC), 2011; 2011, p191-194, 4p

Symplosaponins A-D: New acylated oleanane-type triterpene saponins from Symplocos cochinchinensis and their hepatoprotective effect.

Autor: Giang LT; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam; Thai Nguyen University of Medicine and Pharmacy, 284 Luong Ngoc Quyen, Thai Nguyen, Viet Nam., Lee S; New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation (KMEDIhub), Daegu 41061, Republic of Korea., Seo Y; New Drug Development Center, Daegu Gyeongbuk Medical Innovation Foundation (KMEDIhub), Daegu 41061, Republic of Korea., Cuong NT; Institute of Ecology and Biological Resources, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Tai BH; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Van Kiem P; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Hang NTM; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Oanh NTT; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Cuong PV; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Ban NK; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam., Park S; Metropolitan Seoul Center, Korea Basic Science Institute, Seoul 03579, Republic of Korea. Electronic address: sjp19@kbsi.re.kr., Nhiem NX; Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam; Graduate University of Science and Technology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam. Electronic address: nxnhiem@yahoo.com.

Publikováno v: Fitoterapia [Fitoterapia] 2024 Sep; Vol. 177, pp. 106056. Date of Electronic Publication: 2024 Jun 06.

Light Enhancement of Green Up-Conversion Emission from Er-Doped Silica Microspheres by Carbon Quantum Dot Coatings.

Autor: Do TC; Thai Nguyen University of Education, Thai Nguyen University, 20 Luong Ngoc Quyen Rd, Thai Nguyen, 250000, Vietnam., Nguyen TV; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam. vannt@ims.vast.ac.vn.; Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam. vannt@ims.vast.ac.vn., Bui H; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam.; Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam., Pham TB; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam.; Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam., Mogilevtsev DS; B.I. Stepanov Institute of Physics, NAS Belarus, 68-2 Nezalezhnasti Ave, Minsk, 220072, Belarus., Le Tuan T; Faculty of Physics, University of Science, Vietnam National University, 334 Nguyen Trai Rd, Hanoi, 100000, Vietnam., Pham VH; Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam.; Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Rd, Hanoi, 100000, Vietnam.

Publikováno v: Journal of fluorescence [J Fluoresc] 2024 Sep; Vol. 34 (5), pp. 2003-2008. Date of Electronic Publication: 2023 Sep 04.