搜索筛选:
搜索耗时1.3711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:Zhang Chaoyang,Zeng Lei,Lu Qi, 来源:Empirical Study 年份:2004
This paper,based on the investigation of the statisties in the years of 1980-2005,using Shift-Share Method model,studies systematically the relation between the...
[期刊论文] 作者:YANG Lei,LI Jian-tao,QI Hai-ya, 来源:高等学校化学研究(英文版) 年份:2004
Hydrophobic mismatch between the hydrophobic length of membrane proteins and hydrophobic thickness of membranes is a crucial factor in controlling protein funct...
[期刊论文] 作者:Jianjun Qi,Bo Guo,Hongtao Lei,, 来源:系统工程与电子技术(英文版) 年份:2004
This paper considers a project scheduling problem with the objective of minimizing resource availability costs appealed to finish al activities before the deadl...
[期刊论文] 作者:Zheng Wei,Zhang Naidong,Lei Qi, 来源:稀土学报(英文版) 年份:2004
The holographic storage properties of Fe (0.03% (mass fraction) Fe2O3):LiNbO3 doped with Sc at different levels (0, 1%, 2%, 3%) were investigated.The Sc thresho...
[期刊论文] 作者:Cao Le,Liu Fei,LEI Qi, 来源:机械工程学报 年份:2004
By formulating the design of customized product as a multi-objective optimization problem,a method for designing customized product according to the relative im...
[期刊论文] 作者:孟维晓,Qi,Chenghang,GU,Lei, 来源:高技术通讯:英文版 年份:2004
Beyond the third generation mobile communications, high-capacity and high-speed wireless transmission causes serious Co-Channel Interference (CCI) and Inter-Sym...
[期刊论文] 作者:Haiyan Zhu,Xue Dong,Lei Shi,Qi, 来源:天然气化学(英文版) 年份:2004
Cu-based catalysts,such as Cu/SiO_2,Cu/_γ-Al_2O_3 and Cu/SiO_2-Al_2O_3,for the vapor phase synthesis of N-butylaniline from aniline and 1-butanol were investig...
[期刊论文] 作者:Hu Yuhua,Liu Yuqing,Qi Bo,LEI, 来源:癌变·畸变·突变 年份:2004
To better understand the safety property to reproductive and development in human of Qingling-Sibutramine hydrochloride (Ql-Sibutramine), a study of toxic effec...
[期刊论文] 作者:Qi Li,Yajun Geng,Lei Lu,Tingti, 来源:中国神经再生研究(英文版) 年份:2004
Bone marrow mesenchymal stem cells were allowed to develop for 14 days in a platelet-rich fibrin environment. Results demonstrated that platelet-rich fibrin sig...
[期刊论文] 作者:LI Mingze,WU Cailai,LEI Min,QI, 来源:地质学报(英文版) 年份:2004
[期刊论文] 作者:FANG Qi,LEI Hong,CUI Yuezhi,HU, 来源:中国科学B辑(英文版) 年份:2004
Three s-triazine derivatives have been synthesized and their structures been determined. These are Compound I: 2,4-dimethyl-6-(p-N,N-dimethylaminostyryl)-s-tria...
[期刊论文] 作者:Qingming Gu,Dan Han,Lei Shi,Qi, 来源:天然气化学(英文版) 年份:2004
A series of CaO samples were prepared by calcination of commercially available and synthesis of calcium salt precursors such as calcium acetate,carbonate,hydrox...
[期刊论文] 作者:QI Lei,LI Ruxin,HE Xiangping,X, 来源:清华大学学报 年份:2004
Spontaneous secretions occur in both neurons and non-neuronal cells, and calcium is important for these secretion processes. However, the detailed roles of calc...
[期刊论文] 作者:SUN Jing,ZHAI Qi,LEI Yiwen,YAN, 来源:天津大学学报(英文版) 年份:2004
The structure phase transformations of graphite and carbon black induced by pulsed laser were studied in this paper. Under irradiation with laser beam of 1.06μ...
[期刊论文] 作者:SHANG Lei,赵军,QI Guang-Yun,韩晓增,, 来源:中国生态农业学报 年份:2004
以中国科学院海伦农业生态站长期定位水肥耦合试验数据为依据,模拟大豆产量形成过程.首先建立大豆品种遗传属性数据库和相应的模型参数,利用DSSAT模型系列中的CmpGro-Soybean...
[期刊论文] 作者:WU Lei,ZHENG Yuan,QI Jiang,PU, 来源:中国激光 年份:2004
A single-mode fiber acousto-optic (AO) switch based on a null coupler at wavelength of 1.55 μm is reported.According to the coupled mode theory,power distribut...
[期刊论文] 作者:GAO Lei,QI Ji,SUN JianDong,HAO, 来源:中国科学C辑 年份:2004
We perform an exhaustive, taxon by taxon, comparison of the branchings in the composition vector trees (CVTrees) inferred from 432 prokaryotic genomes available...
[期刊论文] 作者:Lei Yin,Yue Zhi CUI,Qi FANG,Ga, 来源:中国化学快报(英文版) 年份:2004
Two new s-triazine derivatives, which belong to linear dipolar type and triangle octupolar type respectively, have been synthesized. The structure of the dipola...
[期刊论文] 作者:GAO Lei,QI Ji,WEI Haibin,Sun Y, 来源:科学通报 年份:2004
Phylogenetic tree of coronaviruses (CoVs) including the human SARS-associated virus is reconstructed from complete genomes by using our newly developed K- strin...
[期刊论文] 作者:ZHOU Guo-xiong,吴敏,LEI Qi,曹卫华, 来源:系统仿真学报 年份:2004
针对某新2#焦炉集气管压力波动幅值大、压力振荡剧烈且具有突变的特性,提出了三输入模糊协调控制算法.首先,根据工况的不同,选择相应的三输入模糊控制算法,该算法在两输入模...
相关搜索: