Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Xin-zhou Yan"'
Autor:
song baofeng, Bojun Li, Jinzhuo Ning, Yuqi Xia, Ze-hua Ye, Tian-hui Yuan, Xin-zhou Yan, Lei Li, Xiangjun Zhou, Ting Rao, Wei Li, Fan Cheng
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0785fef26b01da65cca54a6a8e534e9
https://doi.org/10.2139/ssrn.4431352
https://doi.org/10.2139/ssrn.4431352
Autor:
Xin Zhou Yan
Publikováno v:
Advanced Materials Research. :2104-2107
In this paper,we consider the oscillation of second order linear dynamic equation on time scales, and obtain sufficient condition for oscillation of solutions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b238e110d0b189bc6bbbdbcb02dba458
https://doi.org/10.4028/www.scientific.net/amr.557-559.2104
https://doi.org/10.4028/www.scientific.net/amr.557-559.2104
Autor:
Xin Zhou Yan
Publikováno v:
Advanced Materials Research. :2100-2103
In this paper, we consider oscillation of solutions of the differential equations with variable coefficients on time scales, and obtain some sufficient conditions for oscillation of solutions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd981359477a228567b6a9667fbd5f78
https://doi.org/10.4028/www.scientific.net/amr.557-559.2100
https://doi.org/10.4028/www.scientific.net/amr.557-559.2100
Autor:
Xin Zhou Yan
Publikováno v:
Advanced Materials Research. :2319-2322
In this paper, we consider the non-oscillatory problems of odd-dimensional system of linear delay functional differential equations. Based upon the corresponding characteristic equations, we get some criteria for non-oscillatory solutions by utilizin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::164f9cc3a261648356074304c4ab30df
https://doi.org/10.4028/www.scientific.net/amr.468-471.2319
https://doi.org/10.4028/www.scientific.net/amr.468-471.2319
Autor:
Xin Zhou Yan
Publikováno v:
Advanced Materials Research. :66-69
In this paper, we consider the non-oscillatory solutions of linear delay functional differential system of neutral type, from which we obtain some new sufficient conditions of non-oscillation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45e7c01ca7789a143acb7e317351dc29
https://doi.org/10.4028/www.scientific.net/amr.482-484.66
https://doi.org/10.4028/www.scientific.net/amr.482-484.66
Autor:
Xin Zhou Yan
Publikováno v:
Advanced Materials Research. :2265-2268
In this paper, we consider the non-oscillatory problems of linear delay differential systems of odd-dimension. Based upon the corresponding characteristic equations, we get some criteria for non-oscillation by utilizing the matrix measures.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bc91e688a8972031d4705b0d3b06859
https://doi.org/10.4028/www.scientific.net/amr.468-471.2265
https://doi.org/10.4028/www.scientific.net/amr.468-471.2265
Autor:
Xia-Fen Hu, Wan-Xin Liu, Ren Zhang, Wei Zhang, Chao Wang, Meng Chen, Rong Shu, Xin-Zhou Yang, Qiang Wang
Publikováno v:
Asian Pacific Journal of Tropical Biomedicine, Vol 12, Iss 6, Pp 253-261 (2022)
Objective: To investigate the effect and its underlying molecular mechanisms of essential oil from Saussurea costus in esophageal cancer cell line Eca109. Methods: The chemical composition of essential oil from Saussurea costus was investigated by ga
Externí odkaz:
https://doaj.org/article/1e50da5b45194eb69d488938425cafc4
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 7, Pp 1102-1104 (2017)
The title compound [systematic name: (4bS)-4-hydroxy-2-isopropyl-4b,8,8-trimethyl-4b,5,6,7,8,8a-hexahydrophenanthrene-3,9-dione], C20H26O3, is an abietane-type diterpene, which was isolated from Taxodium ascendens (B.). In the crystal, molecules are
Externí odkaz:
https://doaj.org/article/e47ee325017149cb9fef9a4caa19ba89
Autor:
Yang Ye, Xiao-Jun Ma, Ji-Bao Zhang, Chang-Qiang Ke, Chun-Ping Tang, Jian-Hua Miao, Xin-Zhou Yang, Jing-Quan Yuan
Publikováno v:
Molecules, Vol 13, Iss 9, Pp 2229-2237 (2008)
Two new ursane-type triterpene glucosides, 2α,3α,24-trihydroxyurs-12,18-dien-28-oic acid β-D-glucopyranosyl ester (1) and 2α,3α,23-trihydroxyurs-12,19(29)-dien-28-oic acid β-D-glucopyranosyl ester (2), were i
Externí odkaz:
https://doaj.org/article/c0b8a5611d634d82ad4e876ea5372312