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[期刊论文] 作者:殷中琼, Gao Ping, Gao Rong, Jiang, 来源:高技术通讯:英文版 年份:2004
Bioassay-directed fractionation of the chloroform extract of the neem oil has resulted in the isolation of one new esters derivatives named 2-Octadecanoic acid-...
[期刊论文] 作者:ZHU Yi-wu,陆洪涛,LIU Rong,李宏, 来源:系统仿真学报 年份:2004
作者根据建设防空C3I系统仿真试验环境的要求,采用"误差数据分组-建立数据库-随机提取误差数据"的步骤,提出了一种基于校飞数据的雷达情报仿真方法,并详细分析了误差数据分组...
[期刊论文] 作者:Zhi Rong Zhang,Bo Tao Yu,Qi Fu, 来源:世界胃肠病学杂志 年份:2004
AIM To investigate the morphological and ultrastructural changes in the human gastric carcinoma cell lineBGC-823 after being treated with tachyplesin.METHODS Ta...
[期刊论文] 作者:Fu Hua Yah,Kang Rong Zhou,Ya P, 来源:世界胃肠病学杂志 年份:2004
INTRODUCTIONInflammatory pseudotumor of the liver ,a rare benign lesion ,is often confused with the malignant tumors .Until 1998,less than 80 cases had been rep...
[期刊论文] 作者:Rong Qian Wu,Ying Xin Xu,Xu Hu, 来源:世界胃肠病学杂志 年份:2004
INTRODUCTIONMultiple organ dysfunction syndrome (MODS) isthought to be a frequent consequence of sepsis[1-3].Despite substantial advances in our knowledge and u...
[期刊论文] 作者:周旋,廖云杰,聂唯,RONG Peng-fei, 来源:医学信息(下旬刊) 年份:2004
随着科技的发展,现代影像学诊疗技术飞速进步,越来越多的高科技设备开始进入影像医学诊疗领域,对于现代影像医师而言建立系统性诊断思维模式尤为重要.只有在影像学见习及实习...
[期刊论文] 作者:Dan Liu,Rong Lan,Xiu Lan Xin,X, 来源:中国化学快报(英文版) 年份:2004
A new lavandulyl flavonoid was isolated from the rhizome of Sorphora flavescens. The structure of new compound was elucidated on the basis of spectral methods i...
[期刊论文] 作者:HUA Rong,WU Hui,CUI Zhe,CHEN J, 来源:中华医学杂志(英文版) 年份:2004
Type B Niemann-Pick disease is an autosomal recessive sphingolipidosis due to mutations in the sphingomyelin phosphodiesterase 1 gene (SMPD1).Here we present mo...
[期刊论文] 作者:Rong LEI,Hu Wei LIU,Na LI,Ke', 来源:中国化学快报(英文版) 年份:2004
Ru(bpy)32+ electrochemiluminescence (ECL) was applied to determine quercetin. It was found that ECL intensity of Ru(bpy)32+ could be enhanced in the presence of...
[期刊论文] 作者:Li Bo NIE,Jian Rong CHEN,Yu Qi, 来源:中国化学快报(英文版) 年份:2004
Colloid gold nanoparticle-based layer-by-layer amplification approach was applied to enhance the electrochemical detection sensitivity of DNA hybridization at c...
[期刊论文] 作者:Zheng Li,Rong Qi,Bo Wang,Zhe Z, 来源:环境科学学报(英文版) 年份:2004
[期刊论文] 作者:Jie Ju,Yu Jin Li,Jian Rong Gao, 来源:中国化学快报(英文版) 年份:2004
An aqueous solution of hydrogen peroxide and hydrogen bromide illuminated by a 60 W incandescent light bulb serves as a source of bromine radicals. Various subs...
[期刊论文] 作者:Zhou Rong,孙宝权,Ruan Xue-Zhong,甘, 来源:物理学报 年份:2004
利用时间分辨Kerr旋光技术测量低温下稀磁半导体Ga0.937Mn0.063As中光注入极化载流子的自旋进动信号,并观察到自旋极化载流子的有效g因子值随外磁场的增强而增大的反常现象....
[期刊论文] 作者:Yun Mei BI,Xu Bin BI,Qian Rong, 来源:中国化学快报(英文版) 年份:2004
A novel pyrone derivative was isolated from the ethyl acetate extract of a culture broth of a strain of the fungus Cephalosporium sp. AL031. Its structure was c...
[期刊论文] 作者:Gui Rong QU,Ming Wei GENG,Su H, 来源:中国化学快报(英文版) 年份:2004
An efficient protocol for the synthesis of N6-(2-Hydroxyethyl)adenosine and its analogues through nucleophilic substitution was developed. All the reactions wer...
[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:Qi Xun SHI,Rong Wen LU,Zhu Xia, 来源:中国化学快报(英文版) 年份:2004
Sulphur-containing aromatic amines were prepared efficiently in good to excellent yields by reduction of the corresponding sulphur-containing aromatic nitro com...
[期刊论文] 作者:Hai Feng LIU,Yang LI,Yu Rong W, 来源:中国化学快报(英文版) 年份:2004
A star-shaped multifunctional styrene-isoprene copolymer was synthesized with n-BuLi as initiator, divinyl benzene as coupling agent, cyclohexane as solvent by...
[期刊论文] 作者:Qi Xun SHI,Rong Wen LU,Zhu Xia, 来源:中国化学快报(英文版) 年份:2004
Sulphur-containing aromatic nitro compounds were rapidly reduced to the corresponding amines in high yields by employing hydrazine hydrate as a hydrogen donor i...
[期刊论文] 作者:Yu Li XIE,Qin ZHU,Xing Rong QI, 来源:中国化学快报 年份:2004
A simple and efficient procedure for synthesis of 1-hydroxymcthylene-1,1-bisphosphoates from aldehydes is deseribed. This method was applied to the synthesis of...
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