搜索筛选:
搜索耗时1.5882秒,为你在为你在102,285,761篇论文里面共找到 21 篇相符的论文内容
类      型:
[期刊论文] 作者:Shuang Xi MEI, 来源:中国化学快报:英文版 年份:2001
A new diterpene glycoside named 9(10?20)-abeo-7b,10b,11,15-tetrahydroxy-8,11,13-abietatrien-12-O-b-D-glucopyranoside was isolated from aerial parts of Isodon fo...
[期刊论文] 作者:Xi Mei,WU Qin YUE, 来源:黑龙江科技学院学报 年份:
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Xi Mei,Ri-hui Li,Xun-hua Zhang, 来源:中国地质(英文) 年份:2019
The sedimentary environment and ecological system in the South Yellow Sea (SYS) changed dramatically due to sea level change caused by glacial-interglacial cycl...
[期刊论文] 作者:Xi Mei BAI Wen Li LIU, 来源:数学研究与评论:英文版 年份:2010
In this paper,the authors define the center of a Symplectic ternary algebra,and investigate the relationship between the center of a Symplectic ternary algebra...
[期刊论文] 作者:WANG Xiao-qiang,ZHU Xi,MEI Zhi, 来源:兵工学报(英文版) 年份:2004
The mechanical performance of ultra-high molecular weight polyethylene fiber (UHMWPE) and its composites were proposed. Penetrated properties of different thick...
[期刊论文] 作者:Rui Liu,Xi Mei,Jin Zhang,De-bo, 来源:中国地质(英文) 年份:2019
The Ningshao Plain experienced sea-level fluctuation and climate change in the Holocene and gave birth to a Neolithic Civilization, the Hemudu Culture (about 50...
[期刊论文] 作者:ZHANG Xi Mei,ZHANG Zheng Yu,ZH, 来源:生物医学与环境科学:英文版 年份:2018
包括 45 尖锐胰腺炎和 44 个健康志愿者的案例控制研究被执行调查在肠的微生物引起的社区和尖锐胰腺炎之间的协会。定序的高产量的 16S rRNA 基因 amplicon 被用来介绍样品的...
[期刊论文] 作者:Hui YANG,Shuang Xi MEI,Bei JIA, 来源:黑龙江科技学院学报 年份:2000
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Zhi NA,Shuang Xi MEI,Chao Ming, 来源:黑龙江科技学院学报 年份:2001
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Bei JIANG,Shuang Xi MEI,Quan B, 来源:黑龙江科技学院学报 年份:2001
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Shuang Xi MEI,Quan Bin HAN,Zho, 来源:黑龙江科技学院学报 年份:2001
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Ping WU,Xi Mei CAI,Rong YAO,Ch, 来源:中国化学快报:英文版 年份:2006
[期刊论文] 作者:Ping WU,Xi Mei CAI,Rong YAO,Ch, 来源:中国化学快报(英文版) 年份:2004
In the system of ammonium acetate and acetic acid and under microwave irradiation,N-phenacylpyridinium chloride 1 reacted with chalcone 2 to give 2,4,6-triarylp...
[期刊论文] 作者:Shuang Xi MEI,Zhi NA,Xue Mei N, 来源:中国化学快报(英文版) 年份:2004
From the petroleum part of the 70% acetone extract of Coleus xanthanthus, two new abietane diterpenoids have been isolated and identified as 11-acetoxy-coleon U...
[期刊论文] 作者:You Heng GAO,Quan Xi MEI,Hui F, 来源:中国化学快报(英文版) 年份:2004
A new labdane-type diterpene glycoside 1 , chlorophytoside A, had been isolated from Chlorophytum laxum R.Br. The structure had been elucidated as (10S)-6α-hyd...
[期刊论文] 作者:LI Hua-dong,ZHU Xi,MEI Zhi-yuan,ZHANG Ying-jun, 来源:上海交通大学学报(英文版) 年份:2015
[期刊论文] 作者:Rui Liu,Xi Mei,Jin Zhang,De-bo Zhao, 来源:中国地质(英文) 年份:2019
The Ningshao Plain experienced sea-level fluctuation and climate change in the Holocene and gave birth to a Neolithic Civilization,the Hemudu Culture (about 500...
[会议论文] 作者:Xunhua Zhang,Xi Mei,Qingsong Liu,Quanhong Zhao, 来源:第四届地球系统科学大会(CESS2016) 年份:2016
[期刊论文] 作者:Xiao-qing Zhu,Ming-jian Wang,Xi Mei,Zhi-xian Tian,Shi-pu Bi,Long Huang, 来源:中国地质(英文) 年份:2022
1. ObjectivesrnChangshan Islands are located on the geographical boundary between the Bohai Sea and the North Yellow Sea, China. Intensively tectonic deformation developed in this area, which is an important connection point to study the te......
[期刊论文] 作者:Zhong-bo Wang,Ri-hui Li,Shou-ye Yang,Feng-long Bai,Xi Mei,Jian Zhang,Kai Lu, 来源:中国地质(英文) 年份:2019
A comparative comparative study on the detrital mineral composition of stream sediments of the Yangtze River (Changjiang) and Yellow River (Huanghe) shows that,...
相关搜索: