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Distribution of cagG gene in Helicobacter pylori isolates from Chinese patients with different gastr
[期刊论文] 作者:CanXu Zhao-ShenLi Zhen-XingTu,
来源:世界胃肠病学杂志:英文版(电子版) 年份:2003
AIM: To determine the distribution of cagG gene of Helicobacter pylori(Hpylori) isolates cultured from patients with various digestive diseases and its relation...
[期刊论文] 作者:ZHANGXue-qin GEQuan-sheng ZHEN,
来源:中国地理科学:英文版 年份:2003
How land-cover has been changed by human use over the last 300 years is one of the five overarching questions guiding the Land-use/Cover Change (LUCC) Science/R...
[期刊论文] 作者:WUXiangsheng YANGJia AOLu ZHEN,
来源:重庆大学学报:英文版 年份:2003
The indoor environment quality(IEQ) in the dormitory of 9 universities has been investigated by the questionnaire for three times. The results indicate that the...
Synthesis and Characterization of a 42-Membered Macrocyclic Compound C40H46N6O4 with [2+2] Condensat
[期刊论文] 作者:MA Zhen,LIU Shi-xiong,
来源:黑龙江科技信息 年份:2003
本文通过对荣华二采区10...
[期刊论文] 作者:Gui Zhi Zhen HUANG 等,
来源:中国化学快报:英文版 年份:2003
α-Phenylthio-α, β-unsaturated esters 6 were synthesized by Witting reaction of 3, which were prepared by a phenylsulfenyllation-trans-ylidation reaction....
BINDING OF IONIC SURFACTANTS ON OPPOSITELY CHARGED POLYELECTROLYTES OBSERVED BY FLUORESCENCE METHODS
[期刊论文] 作者:Zhen Tong,Chao-yang Wang,Bi-ye,
来源:黑龙江科技学院学报 年份:2003
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:YUE-XIN LIANG,Zhen Wang,DIAN-D,
来源:黑龙江科技学院学报 年份:2003
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:Yuan Daoyang,Liu Xiaofeng,ZHEN,
来源:黑龙江科技学院学报 年份:2003
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:WANG Lu-Yao HAN Jie SHI Zhen,
来源:有机化学 年份:2003
Ferrocene derivatives have attracted much attention over the past two decades in many fields due to their diversebiological activities. [1,2] As a part of a con...
Ceric Ammonium Nitrate-Mediated Oxidative Cycloaddition of 1,3-Dicarbonyls to β-Aryl-α, β-unsaturate
[期刊论文] 作者:ZHANG Wei HUO Cong-De LIU Zhen,
来源:有机化学 年份:2003
Oxidative addition of carbon-centred radicals to alkenes mediated by metal salts ( MnⅢ, CeⅣ, HgⅡ,PdⅣ, AgⅠ,and CuⅡ) has received considerable attention ove...
[期刊论文] 作者:Xiao,Zhen,JIAO,Ping,XIE,等,
来源:中国化学快报:英文版 年份:2003
The racemic neocnidilide has been synthesized by stereoselective reaction of hemiacetal 5 with n-BuMgBr....
[期刊论文] 作者:Shang,Zhen,ZHENG,Tong,SHEN,等,
来源:中国化学快报:英文版 年份:2003
A new steroid named as Zhonghualiaoine I (1) was isolated from Polygonum nodosum Pers (Chinese name 'Zhonghualiao', Berberidaceae). Its structure was de...
[期刊论文] 作者:CHEN Hui,LUO Zhen,WANG Jian-qi,
来源:针灸推拿医学(英文版) 年份:2003
Treated 55 cases of acute lumbar sprain only with acupuncturing Cuanzhu (BL 2). After three treatments, 53 cases were cured, and 2 cases were improvement....
[期刊论文] 作者:BAI Yong-Qiang,LIU Zhen,PEI Mi,
来源:黑龙江科技学院学报 年份:2003
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:Ke Hu,Yuying Liu,Zhen Cao,
来源:黑龙江科技学院学报 年份:2003
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:ZHOU Xiangdong,ZHEN Hui,ZHOU W,
来源:科学通报 年份:2003
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...
Paleoclimatic significance of mineral magnetic properties of loess sediments in northeastern Qinghai
[期刊论文] 作者:Wang Xiaoyong,Lu Huayu,LI Zhen,
来源:黑龙江科技学院学报 年份:2003
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:SONG Jun,HUANG Zhen,Qiao Xinqi,
来源:黑龙江科技学院学报 年份:2003
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:San-ling Yuan,Zhi-en Ma,Zhen J,
来源:黑龙江科技学院学报 年份:2003
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:ZHEN DOU,AKIRA SAWAGECHI,JIE Z,
来源:黑龙江科技学院学报 年份:2003
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...
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