搜索筛选:
搜索耗时1.6439秒,为你在为你在102,285,761篇论文里面共找到 249 篇相符的论文内容
类      型:
[期刊论文] 作者:Chang,Qing,Zhi,Sheng,HE,等, 来源:中国化学快报:英文版 年份:2003
A novel alkaloid was isolated from the stems and leaves of Stemona parviflora Wright. Based on the spectral methods, its structure was elucidated as parvineoste...
[期刊论文] 作者:SHUAI Chang-geng,HE Lin,LU Zhi, 来源:城市道桥与防洪 年份:2003
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Lian,Sheng,LING,Zhi,Ke,HE,等, 来源:中国化学快报:英文版 年份:2003
A new method for the study of triplex DNA is established according the fluorescence enhancement of molecular "Light Switch" complex of Ru(phen)2(dppx)2+ when it...
[期刊论文] 作者:Xin Ya HE Da Zhi LI 等, 来源:中国化学快报:英文版 年份:2003
Capillary zone electrophoresis (CZE) was applied to study the interaction between netropsin and a 14mer double stranded DNA (dsDNA). The binding constant of thi...
[期刊论文] 作者:Dian-LiangZhang,Jie-ShouLi,Zhi, 来源:世界胃肠病学杂志:英文版(电子版) 年份:2003
AIM: To investigate TNF-α-308 and TNFB polymorphisms in acute biliary pancreatitis (ABP) and to related them to the plasma TNF-α levels.METHODS: Genomic DNA w...
[期刊论文] 作者:Zhi De YU, 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:Xuehui He, 来源:中国经济评论:英文版 年份:2003
[期刊论文] 作者:JieREN,HaiYanWEI,QiHuaZHAO,Zhi, 来源:中国化学快报:英文版 年份:2003
Nitronyl nitroxide radical 1, NIT (4, 4, 5, 5-tetramethyl-4, 5-dihydro-1H-imidazolyl-1-oxyl-3-oxide) and copper(Ⅱ) chloride complexes with nitronyl nitroxide 2...
[期刊论文] 作者:Xiao Yin YANG“,”Christian HAUG“,”Yi Ping YANG“,”Zhi Sheng HE“,”Yang 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: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....
[期刊论文] 作者:Mao-gen Zhang,Zhi-xue Weng,Zhi, 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:Yong-zhong Bao,Zhen-li Wei,Zhi, 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:Yu-ming Chen,Gui-jing Chen,Zhi, 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:RosanaMoraes SaraElfvendahl He, 来源:AMBIO-人类环境杂志 年份:2003
1998年11月、1999年3月和2000年元月分别在巴西雨林自然保护区河流的水体、沉积物和鱼体中检测杀虫剂残毒,每种杀虫剂浓度与基于急性毒性测试的生态毒理基准进行了比较,并且...
[期刊论文] 作者:He KAchant A,王建国, 来源:新医学 年份:2003
选择43671名男性作为研究对象,年龄40~75岁,均无心血管疾病。分别于1986年、1990年和1994年调查分析吃鱼次数或长链ω-3多价不饱和脂肪酸的摄入量与亚型卒中发病相对危险的关...
[期刊论文] 作者:HE Shuyuan(何书元) HUANG Xiang(He, 来源:中国科学:数学英文版 年份:2003
In this paper, the estimation of joint distribution F(y,z) of (Y, Z) and the estimation in thelinear regression model Y = b′Z + ε for complete data are extend...
[期刊论文] 作者:YAN Ze-Yi XING Geng-Mei LI Zhi, 来源:有机化学 年份:2003
Oxalic acid is one of the most common nutrient chelators in the human diet found in many vegetables, such as mushroom, spinach, fresh kidney beans, rhubarb leav...
[期刊论文] 作者:XU Kang-Ping XU Zhi DENG Yin-H, 来源:有机化学 年份:2003
Selaginella pulvinata Maxim. distributes all over the country of China and is used for the treatment for haemor rhage. [1] We studied on the chemical constituen...
[期刊论文] 作者:Zhi,Bin,XU,Zong,Ru,GUO, 来源:中国化学快报:英文版 年份:2003
N- (2,4-Dinitrophenyl)-4-amino-n-butyl aldehyde 3 was obtained with high yield of 80% when N- (2,4-dinitrophenyl)-L-proline 1 reacted with SOCl2 at room tempera...
[期刊论文] 作者:Lin,Jie,ZHI,Bing,HAN,等, 来源:中国化学快报:英文版 年份:2003
Montmorillonite (MMT) was modified through intercalative polymerization of phenol and formaldchyde catalyzed by oxalic aeid. The modified montmorillonite was de...
相关搜索: