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[期刊论文] 作者:LI Xin,LI Ling,WANG Xian,ZHAO, 来源:中华医学杂志(英文版) 年份:2004
Background Results of perimembranous ventricular septal defects (pmVSD) transcatheter closure have been reported in the literature mostly using a Amplatzer VSD...
[期刊论文] 作者:Yiyao Xu,Xin Lu,Yilei Mao,Xint, 来源:中国癌症研究(英文版) 年份:2004
[期刊论文] 作者:QIN Wei,ZHANG Xin,YANG Min,ZHO, 来源:中华医学杂志(英文版) 年份:2004
Background Some individuals have multiple renal arteries. Severe stenosis in one of the arteries may cause refractory hypertension. The detection of stenosis wi...
[期刊论文] 作者:FAN Hua,ZHANG Dong,ZHAO Xin,PA, 来源:中华医学杂志(英文版) 年份:2004
Splenic epidermoid cysts are relatively rare lesions traditionally treated by splenectomy. Concerns about overwhelming postsplenectomy sepsis have led to the de...
[期刊论文] 作者:Xin Zhang,Ying Hu,Yunxia Liu,B, 来源:环境科学学报(英文版) 年份:2004
This study investigates arsenic (As) accumulation and tolerance of duckweed Spirodela polyrhiza L. and its potential for As phytofiltration. S. polyrhiza was ab...
[期刊论文] 作者:LIU Zhishen,MA Sen,WANG Xin,LI, 来源:中国海洋大学学报(英文版) 年份:2004
An airborne oceanographic lidar, with a frequency-tripled Q-switched Nd: YAG laser of 355 nm, has been designed to measure chlorophyll-a (Chl-a) concentration i...
[期刊论文] 作者:Xiao gang Wang,Yu fei Zhao,Xin, 来源:岩石力学与岩土工程学报(英文版) 年份:2004
Combining with empirical method,laboratory test and numerical simulation,a comprehensive system was presented to determine the mechanical parameters of jointed...
[期刊论文] 作者:Su Xin,Wu Fadong,ZHOU Pin,Liu, 来源:中国地质大学学报 年份:2004
A biostratigraphic study of calcareous nannofossils of sediments from Lingfeng No. 1 well in the East China Sea was carried out to provide more detailed nannofo...
[期刊论文] 作者:ZOU Yong-zhuo,HU Xin,YAO Jun,F, 来源:浙江大学学报A(英文版) 年份:2004
New types of Bragg reflectors, multilayered periodic structures, based on alternating left-handed transmission line(LHTL) and right-handed transmission line (RH...
[期刊论文] 作者:CAI Ninghao,XU Xin,SONG Lili,B, 来源:气象学报(英文版) 年份:2004
This work studies the impact of the vertical shear of gradient wind (VSGW) in the free atmosphere on the tropical cyclone boundary layer (TCBL). A new TCBL mode...
[期刊论文] 作者:WU Juxiu,WEI Ming,HANG Xin,ZHO, 来源:气象学报(英文版) 年份:2004
By using the cloud echoes fi rst successfully observed by China’s indigenous 94-GHz SKY cloud radar, the macrostructure and microphysical properties of drizzli...
[期刊论文] 作者:Yong Zhang,Xin Su,Fang Chen,Yu, 来源:地学前缘 年份:2004
South China Sea (SCS) is the largest Western Pacific marginal sea.However,microbial studies have never been performed in the cold seep sediments in the SCS.In 2...
[期刊论文] 作者:Xiu Wei YANG,Jing ZHAO,Yu Xin, 来源:中国化学快报(英文版) 年份:2004
Two new triterpenoid saponins, named isoescins IIIa (1) and IIIb (2) were isolated from the seeds of Aesculus chinensis and identified by spectroscopic analysis...
[期刊论文] 作者:Rui Gao,Xin Du,Yawu Zeng,Yong, 来源:岩石力学与岩土工程学报(英文版) 年份:2004
Granular materials are ubiquitous in nature and important in various applications such as road and railway engineering.Granular materials exhibit complicated me...
[期刊论文] 作者:Xiao Yan ZHANG,Xin GAO,Yan LI,, 来源:中国化学快报(英文版) 年份:2004
The induction of MT(metallothionein) by Cd(Ⅱ) and Zn(Ⅱ) in renal proximal tubule cells (LLC-PKI) and the effects of simultaneous administration of Cd(Ⅱ) and...
[期刊论文] 作者:Hong Wei LIU,Xin Sheng YAO,Nai, 来源:中国化学快报(英文版) 年份:2004
A new triterpenoid saponin, 21β-angeloylprotoaescigenin-3β-O-[α-L-rhamnopyranosyl(1-3)]β-D-glucopyranosiduronic acid 1, was isolated from the seeds of Aescu...
[期刊论文] 作者:Xin Ying ZHANG,Yan Zhen LI,Xue, 来源:中国化学快报(英文版) 年份:2004
An efficient and green method for the synthesis of 1, 4-dihydropyridine derivatives mediated in an ionic liquid, [bmim][BF4], through a four-component condensat...
[期刊论文] 作者:Xin Jian SONG,Xiao Hong TAN,Ya, 来源:中国化学快报(英文版) 年份:2004
In order to find new urea cytokinins, a series of novel fluorinated heteroaromatic ureas have been designed and synthesized. The crystal structure of 3g was fur...
[期刊论文] 作者:Xian Chao CHENG,Xin Yong LIU,W, 来源:中国化学快报 年份:2004
A series of novel ligustrazine derivatives were synthesized. These compounds have not been reported in literature, and their chemical structures were confirmed...
[期刊论文] 作者:Ji Xin LI,Xiu Ping YANG,Zhong, 来源:中国化学快报(英文版) 年份:2004
Two new bisabolane sesquiterpenes were isolated from the roots of Leontoptdium longifolium. Their structures were elucidated as 4α, 5α-diacetoxy-1α-angeloylo...
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