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[期刊论文] 作者:Dongyang Shi Yucheng Peng Shao, 来源:高等学校计算数学学报:英文版 年份:2006
The main aim of this paper is to study the approximation to viscoelasticity type equations with a Crouzeix-Raviart type nonconforming finite element on the...
[期刊论文] 作者:Shi Yucheng,Jing Tianxiao,Gao, 来源:中国地震研究:英文版 年份:2018
This paper introduces the response process of the Gansu Earthquake Agency during the Jiuzhaigou M S7.0 earthquake in Sichuan Province,including earthquake emerg...
[期刊论文] 作者:Dongyang Shi,Yucheng Peng,Shao, 来源:黑龙江科技信息 年份:2006
本文通过对荣华二采区10...
[期刊论文] 作者:Zhang Lirong,Shi Yucheng,Qiu G, 来源:中国地震研究:英文版 年份:2011
基于动态 triaxial 测试系统并且用 Wenchuan 地震和 1 Hz 经常的振幅窦状隙的适合的波浪,纸在不同负担和颤动模式下面,但是在一样的浸透的条件下面在没受到干扰的黄土样品上比...
[期刊论文] 作者:Zhang Lirong,Shi Yucheng,Qiu G, 来源:中国地震研究:英文版 年份:2004
Based on the dynamic triaxial test system and using the fitted wave of the Wenchuan earthquake and 1 Hz constant amplitude sinusoid, the paper compares the resu...
[期刊论文] 作者:Shi Yucheng,Jing Tianxiao,Gao Xiaoming,, 来源:Earthquake Research in China 年份:2018
This paper introduces the response process of the Gansu Earthquake Agency during the Jiuzhaigou M_S7.0 earthquake in Sichuan Province,including earthquake emergency disposal procedures,information rep...
[会议论文] 作者:Manli ZHANG,,Junqian LIU,Changhong HUO,Qingwen SHI,,Yucheng GU3, 来源:2008中国药学会学术年会暨第八届中国药师周 年份:2008
OBJECTiVE:To study the constituents of Taxus cusipidata and T. canadensis leaves.METHODS: The constituents were extracted with methanol and isolated by column chromatography on silica gel,prep-TLC and...
[会议论文] 作者:Bing Lia,Yan Wang,Chengwu Shi,Yucheng Wu,Qi Liang,Lili Li, 来源:第11届全国固体薄膜会议 年份:2008
SnS2, Cu(Ⅱ)-doped SnS2(SnS2:Cu(Ⅱ)) and SnS nanocrystals have been prepared by hydrothermal method. The related thin films and SnS2:Cu(Ⅱ)/SnS solar cells were...
[会议论文] 作者:Sa Lv,Shiping Chen,Changhong Huo,Yongmin Zhao,Qingwen Shi,Yucheng Gu, 来源:第九届全国中药和天然药物学术研讨会 年份:2007
A novel metabolite with all unprecedented hemiketal ring between C-13 and C-9 and a tsxsne withan amino-side chain on C-5 were isolated from the needles of Taxus euspidata and rooted cuttings of Taxus...
[会议论文] 作者:Sa Lv,Shiping Chen,Changhong Huo,Yongmin Zhao,Qingwen Shi,Yucheng Gu, 来源:第九届全国中药和天然药物学术研讨会 年份:2007
Echinopine A(1),a novel sesquiterpenoid with an unprecendented rean,angIemental skeleton named echinopane was isolated from the roots of Echinops spinosus.The structure of 1 were elucidated by extensi...
[会议论文] 作者:Shiping Chen,Sa Lv,Zuoping Li,Changhong Huo,Yongmin Zhao,Qingwen Shi,Yucheng Gu, 来源:第九届全国中药和天然药物学术研讨会 年份:2007
A novel metabolite with an unprecedented skeleton Was isolated from the needles of Taxus cuspidata.The structure was characterized as 2,7,9,10-tetraacetoxy-5,12-dihydroxy-11,12-secotaxa-4(20)-en-11,13...
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