搜索筛选:
搜索耗时1.6217秒,为你在为你在102,285,761篇论文里面共找到 231 篇相符的论文内容
发布年度:
[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：FENG Xiao-xin,FENG Nai-qian,HA,
来源：武汉理工大学学报(材料科学版)英 年份：2003
The effect of the composite of natural zeolite and fly ash on alkali-silica reaction ( ASR ) was studied with natural alkali-reactive aggregate and quartz glass...
[期刊论文] 作者：FENG Xi-chun,
来源：化学与生物工程 年份：2003
Aziridines are valuable synthetic reagents and intermediates[1～3]. ……...
[期刊论文] 作者：Feng Ma,
来源：世界地质：英文版 年份：2003
The average size of the sand of dune in the vicinity of Tumen River is 0.12～0.30 mm, its standard deviation is 0.45～0.99 φ and the frequency cumulative distribut...
[期刊论文] 作者：FENG Yan,
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：FENG Guo,
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：FENG Guo,
来源：黑龙江科技信息 年份：2003
本文通过对荣华二采区10...
A Novel Sulfided Mo/C Catalyst for Direct Vapor Phase Carbonylation of Methanol at Atmospheric Press
[期刊论文] 作者：FENG Peng,
来源：天然气化学(英文版) 年份：2003
The direct carbonylation of methanol, without any halide in the feed as a promoter, ispresented. A series of Mo catalysts supported on activated carbon, γ-Al2O...
[期刊论文] 作者：Ke Qin FENG,Feng Mei LIU,
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：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...
Comparison between chemoembolization combined with radiotherapy and chemoembolization alone for larg
[期刊论文] 作者：Wei-Jian Guo,Er-Xin Yu,Lu-Ming Liu,Jie LI,Zhen Chen,Jun-Hua Lin,Zhi-Qiang Meng,Yi Feng,
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：Feng Gao,Zongjie Wu,
来源：中国经济评论：英文版 年份：2003
...
[期刊论文] 作者：ZHANG Ruiquan FENG Shaosong,
来源：声学技术 年份：2003
In order to develop the nonlinear echo image system to diagnose pathological changes in biological tissue , a simple physical model to analyse the character of...
[期刊论文] 作者：LIU Feng FAN Shuanshi,
来源：化工学报 年份：2003
A brief presentations on experimental research of natural gas hydrate (NGH) in porous sediments in the past several years are given. The contents are divided in...
[期刊论文] 作者：FENG Yu-Ling SUN Jing-Guo,
来源：有机化学 年份：2003
Clarithromycin, 6- O-methylerythromycin A (CAM), is a semisynthetic macrolide antibiotic of 6 which exhibits strong antibacterial activity toward a wide range o...
相关搜索：
