搜索筛选:
搜索耗时2.0230秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
类      型:
[期刊论文] 作者:Li Jiang,Dongsheng Zhang,Lijun Li,Shuzhong Yuan,Xiaoyi Dong, 来源:光学学报 年份:2003
[期刊论文] 作者:Cui Li,Xianquan Zhan,Maoyu Li,Xiaoying Wu,Feng Li,Jianling Li,Zhiqiang Xiao,Zhuchu Chen,Xueping Feng,, 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:林振山, Larry Li,, 来源:生态学报 年份:2003
大量的数值模拟研究表明:(1)集合种群里最强物种种群对栖息地占有率相对较少时,较小的栖息地毁坏率就可以导致该最强物种种群与其它奇数物种种群一起退化;(2)而最强物种种群...
[期刊论文] 作者:李正炎, Donghao Li,, 来源:青岛海洋大学学报(自然科学版) 年份:2003
本文研究了西瓦湖内外各环境介质,包括表层水体、悬浮物、间隙水和沉积物中的壬基酚和双酚A的浓度分布.结果表明,湖内上述介质中的壬基酚浓度分别为17.4~113.4ng/L,15.6~28.6ng...
[期刊论文] 作者:Wanjiang Yang,Yong Li,Jianfeng, 来源:中国经济评论:英文版 年份:2003
[期刊论文] 作者:林振山, LI Larry,, 来源:应用与环境生物学报 年份:2003
利用集合种群共存动力模式 ,研究了由于栖息地毁坏而导致物种灭绝的顺序问题 .研究结果表明 :在群落里各物种种群具有相等的死亡率的假设下 ,栖息地毁坏而导致物种的灭绝存在...
[期刊论文] 作者:Xiaoqing YANG Shanzheng LI Shi, 来源:国际泥沙研究:英文版 年份:2003
The main tasks of the Guanting Reservoir on the Yongding River were flood control and water supply to Beijing. However, it is not able to supply water due to th...
[期刊论文] 作者:Yitian LI Jinyun DENG Zhaohua, 来源:国际泥沙研究:英文版 年份:2003
Using field data from the 1950's to 1990's, the flood storage capacity of Dongting Lake was analyzed.The impacts of sediment deposition in Dongting Lake...
[期刊论文] 作者:WANG Shuliang LI Deren 等, 来源:地球空间信息科学学报:英文版 年份:2003
Rough set is a new approach to uncertainties in spatial analysis.In this paper,rough set symbols are simplified and standardized in terms of rough interpretatio...
[期刊论文] 作者:LUO Jia LI Jiangcheng 等, 来源:地球空间信息科学学报:英文版 年份:2003
This paper focuses on the study of ocean bathymetric inversion from satellite altimeter data by using FFT technique.In this study,the free-air gravity anomalies...
[期刊论文] 作者:LI Shuang XU Caijun 等, 来源:地球空间信息科学学报:英文版 年份:2003
The basic principle of interval arithmetic and the basic algorithm of the interval Newton methods are introduced.The prototype algorithm can not find any zero i...
[期刊论文] 作者:Wang,Yan,Li,Chu-lin,等, 来源:武汉大学学报:自然科学英文版 年份:2003
This paper emphasizes the effect of spillovers on R&D (Research and Development) level. When competing firms have spillovers to each other in R&D, cooperation wil...
[期刊论文] 作者:Li,Xi,Deng,Feng-jiao,等, 来源:武汉大学学报:自然科学英文版 年份:2003
By using an LKB-2277 bioactivity monitor and ampoule method, the fundamental thermogenesis curves of the metabolic process of liver mitochondria from Carassius...
[期刊论文] 作者:ZHANG Guo-Zhu LI Yuan-Yuan WAN, 来源:有机化学 年份:2003
Synthetic host molecules having neutral organic cavities capable of accommodating bio significant moleculars are of great interest in supramolecular chemistry t...
[期刊论文] 作者:YIN Zhen-Ming LI Jian-Feng HE, 来源:有机化学 年份:2003
Molecular self-assembly has emerged as a powerful technology for the synthesis of nanostructured materials. In design of various molecular assemblies, hydrogen...
[期刊论文] 作者:LI Zi-Yan YANG Xiao-Dong ZHAO, 来源:有机化学 年份:2003
The genus Lagotis (Scrophulariaceae) is represented with 17 species in China, mostly growing in the south western part of the country on mountains of 3000 meter...
[期刊论文] 作者:ZENG Guang-Yao XU Kang-Ping LI, 来源:有机化学 年份:2003
Swertia davidi Franch (Gentianaceae) is one of the folk medicines which is widely used for treating acute enteritis, icterus and dysentery et al. In our previou...
[期刊论文] 作者:WANG Jian-guo, LI Zeng-zhi, KO, 来源:国际设备工程与管理:英文版 年份:2003
The dispensing mechanism of active code is a key technology in an active network. Conventional capsule and programmable switch approaches have their own shortco...
[期刊论文] 作者:CAO Shu-Xia ZHANG Jian-Chen LI, 来源:有机化学 年份:2003
Hydrolysis procedure of N-diisopropyloxyphosphoryl phenylalanine (DIPP-Phe) has been studied by HPLCESI-MS. The hydrolysis products and intermediate were identi...
[期刊论文] 作者:LI Li-Juna Susumu Kitagawa SUN, 来源:有机化学 年份:2003
Owing to their intriguing structures and unique properties, host-guest materials have received much attentionfrom the perspective of design and synthesis. One s...
相关搜索: