Zobrazeno 1 - 10
of 1 703
pro vyhledávání: '"Structure identification"'
Publikováno v:
Известия высших учебных заведений: Прикладная нелинейная динамика, Vol 32, Iss 5, Pp 636-653 (2024)
The purpose of this work is development and research of an algorithm for determining the structure of couplings of an ensemble of chaotic self-oscillating systems. The method is based on the determination of causality by Granger and the use of direct
Externí odkaz:
https://doaj.org/article/d51c2540fbc24f8dbfaaf38a4a40f13a
Publikováno v:
Guangxi Zhiwu, Vol 44, Iss 6, Pp 1050-1059 (2024)
To study the chemical constituents of n-butanol extract from Astragalus rigidulus, HP-20 macroporous adsorption resin, Sephadex LH-20 gel, ODS gel column chromatography and semi-preparative high performance liquid chromatography were used to separate
Externí odkaz:
https://doaj.org/article/01a81eafe1734c9db5fcb544c56a6921
Publikováno v:
Guangxi Zhiwu, Vol 44, Iss 2, Pp 373-381 (2024)
Ardisia crenata var. bicolor is a common medicine used by Miao Minority in Guizhou, which has the effects of clearing throat and benefiting pharynx, reducing swelling and relieving pain, dispelling wind and dehumidifying. In order to study the chemic
Externí odkaz:
https://doaj.org/article/b1b2111948994a75b2b8a68e436fd303
Publikováno v:
Guangxi Zhiwu, Vol 43, Iss 11, Pp 2139-2148 (2023)
In order to study the chemical constituents from Carpesium cernuum and their inhibitory effects on leukemia cells in vitro. The chemical constituents from ethyl acetate fraction of C. cernuum were isolated and purified by silica gel column chromatogr
Externí odkaz:
https://doaj.org/article/3973972556584925add0f079bee6b571
Autor:
Jiaojiao Lu, Chengbo Zheng, Simin Xue, Ye Gao, Guijin Chen, Chenxiao Shan, Ning Ding, Guoping Peng, Cunyu Li, Yunfeng Zheng
Publikováno v:
Molecules, Vol 29, Iss 15, p 3551 (2024)
Eupatorium lindleyanum DC. (EL) is a traditional Chinese herb known for its phlegm-reducing, cough-relieving and asthma-calming properties. It is widely used for treating cough and bronchitis. However, preliminary experiments have revealed wide varia
Externí odkaz:
https://doaj.org/article/e159955172b74bfb8d6f749c15e5b192
Autor:
Changxu LI, Shuo LI, Yike ZHANG, Zejun QI, Weiwei TANG, Qi GAO, Jiayue LIU, Mengting SHAO, Yanyan WANG, Hong ZHAO
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 16, Pp 403-411 (2023)
Objective: To establish a preparation method of Atractylodes macrocephala Koidz polysaccharide (AMP) sulfate with anti-hyperplasia of mammary. Methods: AMP were sulfated by sulfated method, and the optimal conditions for the sulfated modification wer
Externí odkaz:
https://doaj.org/article/aa4c15caa70a4380a6809bd9c3176110
Autor:
Yang GAO, Hongli ZHANG
Publikováno v:
Tongxin xuebao, Vol 44, Pp 198-210 (2023)
Random walk techniques achieve high accuracy and efficiency in community detection.To summarize and analyze community detection methods based on random walk, the random walk technique was classified into personalized PageRank, heat kernel diffusion a
Externí odkaz:
https://doaj.org/article/3bd31b56c1ae4b2f98113976501fa011
Publikováno v:
Guangxi Zhiwu, Vol 43, Iss 6, Pp 1155-1162 (2023)
Bei-dou-gen, the dried rhizome of Menispermum dauricum from the Menispermaceae family, is an important Chinese medicinal material. In order to clarify the pharmacodynamic substance basis, the methanol extract of the rhizome in M. dauricum was systema
Externí odkaz:
https://doaj.org/article/8adece328a694bdea44421da1fb5f431
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 4, Pp 149-156 (2023)
Seismic attributes are often used for structural interpretation and prediction. In order to overcome the problems of multiple solutions and uncertainty caused by single seismic attribute prediction, seismic multi-attribute fusion technology is used t
Externí odkaz:
https://doaj.org/article/6e19c35c930c4b2094c8c835d4ece582
Publikováno v:
Shipin gongye ke-ji, Vol 44, Iss 8, Pp 116-124 (2023)
In this paper, selenium polysaccharide (sKGP) extract was obtained by extraction, separation and purification of selenium-enriched creeson grape, then its physicalchemical properties, structural characteristics and antioxidant activity were studied.
Externí odkaz:
https://doaj.org/article/0ac76c1514514bcf937f309fc04dcf02