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检索条件"作者=Yi-Fen Wang"
4645535 条 记 录,以下是1-10 订阅
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A new ellagitannin from Cleidion bracteosum
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Chinese Chemical Letters 2007年 第3期18卷 291-292页
作者: Peng Ju yi fen wang Qiong wang Shi De Luo State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650204 China Graduate School of the Chinese Academy of Sciences Beijing 100039 China
A new ellagitannin, named bractin (1), had been isolated from the dried aerial part of Cleidion bracteosum. Its structure was determined based on various of spectral analysis.
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
New monoterpene phenyl ethers from Illicium micranthum
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Natural Products and Bioprospecting 2013年 第2期3卷 43-47页
作者: Zheng-Ye GUAN Chuan-Fu DONG a Li GAO Jia-Ping wang Shi-De LUO yi-fen wang State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China University of Chinese Academy of Sciences Beijing 100049China
Seven new monoterpene phenyl ethers,namely micranthumnins A-G(1-7),were isolated from the stem bark of Illicium micranthum(Illiciaceae).Their structures were elucidated by comprehensive spectroscopic analyses includin... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Antifungalmycin,an antifungal macrolide from Streptomyces padanus 702
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Natural Products and Bioprospecting 2012年 第1期2卷 41-45页
作者: yi-fen wang Sai-Jin WEI Zhi-Ping ZHANG Tong-He ZHAN Guo-Quan TU State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China China Biological Science and Engineering College of Jiangxi Agriculture University Nanchang Key Laboratory of Fermentation Application TechnologyNanchang 330045China
Two polyene macrolide antibiotics:antifungalmycin(1)and fungichromin(2)were isolated from the culture mycelia of Streptomyces padanus 702 via bioactivity-guided fractionation using various chromatographic *** structur... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Sesquilignans and sesquiterpenoid from the stem barks of Illicium simonsii and their anti-AChE activity
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Natural Products and Bioprospecting 2012年 第3期2卷 133-137页
作者: Chuan-Fu DONG Lei LIU Huai-Rong LUO Xiao-Nian LI Zheng-Ye GUAN yi-fen wang State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China Graduate University of Chinese Academy of Sciences Beijing 100049China
Three new sesquilignans,1-3,a new sesquiterpenoid,4,and three known compounds were isolated from the stem barks of Illicium *** structures of new compounds(1-4)were elucidated by spectroscopic methods.A biosynthetic p... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Three new physalins from Physalis alkekengi var. franchetii
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Natural Products and Bioprospecting 2013年 第3期3卷 103-106页
作者: Wan-Xuan XU Jian-Chao CHEN Jie-Qing LIU Lin ZHOU yi-fen wang Ming-Hua QIU State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201China University of Chinese Academy of Sciences Beijing 100049China
Three new physalin steroids,physalin Ⅲ(1),physalin IV(2),3-O-methylphysalin X(3),together with five known physalins(4-8)were isolated from the 80%EtOH extract of calyces of Physalis alkekengi *** structures of the ne... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Three New Pyridine Alkaloids from Vinca major Cultivated in Pakistan
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Natural Products and Bioprospecting 2017年 第4期7卷 323-327页
作者: Xin Wei Afsar Khan Da Song Zhi Dai Ya-Ping Liu Hao-Fei Yu Bei wang Pei-feng Zhu Cai-feng Ding Xu-Dong Zhao yi-fen wang Xiao-Dong Luo State Key Laboratory of Phytochemistry and Plant Resources of West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China Yunnan Key Laboratory of Natural Medicinal Chemistry Kunming 650201People’s Republic of China Department of Chemistry COMSATS Institute of Information TechnologyAbbottabad 22060Pakistan Yunnan College of Business Management Kunming 650106People’s Republic of China Key Laboratory of Animal Models and Human Disease Mechanisms Chinese Academy of Sciences&Yunnan ProvinceKunming Institute of ZoologyKunming 650223YunnanPeople’s Republic of China
Three new pyridine type alkaloids,(-)-vinmajpyridines A–C(1–3),along with two known alkaloids,have been isolated from the aerial parts of Vinca major cultivated in *** structures have been elucidated by means of NMR... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Indole Alkaloids Inhibiting Neural Stem Cell from Uncaria rhynchophylla
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Natural Products and Bioprospecting 2017年 第5期7卷 413-419页
作者: Xin Wei Li-Ping Jiang ying Guo Afsar Khan Ya-Ping Liu Hao-Fei Yu Bei wang Cai-feng Ding Pei-feng Zhu ying-ying Chen Yun-Li Zhao Yong-Bing Chen yi-fen wang Xiao-Dong Luo State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of BotanyChinese Academy of SciencesKunming 650201People’s Republic of China University of Chinese Academy of Sciences Beijing 100049People’s Republic of China Key Laboratory of Animal Models and Human Disease Mechanisms Kunming Institute of ZoologyChinese Academy of SciencesKunming 650223People’s Republic of China Department of Chemistry COMSATS Institute of Information TechnologyAbbottabad 22060Pakistan Yunnan Key Laboratory of Natural Medicinal Chemistry Kunming 650201People’s Republic of China
Uncaria rhynchophylla is commonly recognized as a traditional treatment for dizziness,cerebrovascular diseases,and nervous disorders in ***,the neuro-protective activities of the alkaloids from *** were intensively *... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Micro-strain regulation strategy to stabilize perovskite lattice based on the categories and impact of strain on perovskite solar cells
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Journal of Energy Chemistry 2025年 第1期100卷 578-604页
作者: Caixia Li Wenwu Liu Shiji Da Lingbin Kong fen Ran State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals Lanzhou University of Technology School of Materials Science and Engineering Lanzhou University of Technology
Photovoltaic metal halide perovskite solar cells(PSCs) convert light to electricity more efficiently than crystalline silicon cells, and the cost of materials used to make them is lower than that of silicon *** effici... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Application of the improved dung beetle optimizer,muti-head attention and hybrid deep learning algorithms to groundwater depth prediction in the Ningxia area,China
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Atmospheric and Oceanic Science Letters 2025年 第1期18卷 18-23页
作者: Jiarui Cai Bo Sun Huijun wang yi Zheng Siyu Zhou Huixin Li Yanyan Huang Peishu Zong Collaborative Innovation Center on forecast and Evaluation of Meteorological Disasters/Key Laboratory of Meteorological Disaster Ministry of Education/Joint International Research Laboratory of Climate and Environment ChangeNanjing University of Information Science and TechnologyNanjingChina Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) ZhuhaiChina China Meteorological Administration Key Laboratory of Transportation MeteorologyNanjingChina Jiangsu Meteorological Observatory NanjingChina
Due to the lack of accurate data and complex parameterization,the prediction of groundwater depth is a chal-lenge for numerical *** learning can effectively solve this issue and has been proven useful in the predictio... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The detection, extraction and parameter estimation of extreme-mass-ratio inspirals with deep learning
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Science China(Physics,Mechanics & Astronomy) 2025年 第1期Mechanics & Astronomy) .卷 86-96页
作者: Qianyun Yun Wen-Biao Han yi-Yang Guo He wang Minghui Du Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Shanghai Astronomical Observatory Chinese Academy of Sciences School of Physics and Astronomy Shanghai Jiao Tong University School of Astronomy and Space Science University of Chinese Academy of Sciences Taiji Laboratory for Gravitational Wave Universe (Beijing/Hangzhou) University of Chinese Academy of Sciences Lanzhou Center for Theoretical Physics Key Laboratory of Theoretical Physics of Gansu Province Key Laboratory of Quantum Theory and Applications of MoE Lanzhou University Institute of Theoretical Physics & Research Center of Gravitation Lanzhou University International Centre for Theoretical Physics Asia-Pacific (ICTP-AP) University of Chinese Academy of Sciences (UCAS) Center for Gravitational Wave Experiment National Microgravity Laboratory Institute of Mechanics Chinese Academy of Sciences
One of the primary goals of space-borne gravitational wave detectors is to detect and analyze extreme-mass-ratio inspirals(EMRIs). This task is particularly challenging because EMRI signals are complex, lengthy, and f... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论