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[期刊论文] 作者:Tao Xiaoyan,Ji Hongbing,Men Ji,
来源:电子科学学刊(英文版) 年份:2004
The Neighborhood Preserving Embedding(NPE)algorithm is recently proposed as a new dimensionality reduction method.However,it is confined to linear transforms in...
[期刊论文] 作者:ZHANG Xiaoyan,CAO Enhua,SUN Xu,
来源:科学通报(英文版) 年份:2004
Telomere plays an important role in cellular processes, such as cell aging, death and carcinogenisis. Having special sequences, it can form quadruplex structure...
[期刊论文] 作者:CHEN Xiaoyan,LI Jinru,JIANG Lo,
来源:科学通报(英文版) 年份:2004
It is an important theme in nanoscience to control the interval of the ordered array of nanoparticles through modifying the chain length of the passivating mole...
[期刊论文] 作者:DONG Xiaoyan,FU Litang,YU Haiq,
来源:天津大学学报(英文版) 年份:2004
The affinity heptapeptide (HWWWPAS) for insulin, selected from phage display library,was coupled to EAH Sepharose 4B gel and packed to a 1-mL column. The column...
[期刊论文] 作者:Xi CHEN,Yanyan LIU,Xiaoyan XU,,
来源:华中科技大学学报(医学)(英德文版) 年份:2004
During placental development,oxygen environment is not only critical for trophoblasts migration and invasion,but also fundamental for appropriate placental perf...
PDGF-induced Proliferation of Smooth Muscular Cells Is Related to the Regulation of CREB Phosphoryla
[期刊论文] 作者:Liyue WANG,Xiaoyan DONG,Wei ZH,
来源:华中科技大学学报(医学)(英德文版) 年份:2004
This study examined the relationship between PDGF-induced proliferation of vascular smooth muscle cells (VSMCs) and Nur77 expression and the effect of atorvasta...
[期刊论文] 作者:Huicong Kang,Qi Hu,Xiaoyan Liu,
来源:中国神经再生研究(英文版) 年份:2004
In the present study, we transplanted bone marrow-derived mesenchymal stem cells into the CA3 area of the hippocampus of chronic epilepsy rats kindled by lithiu...
[期刊论文] 作者:ZHENG XiaoYan,PANG ErGuo,LI Hu,
来源:科学通报(英文版) 年份:2004
The CopC protein from pseudomonas syringae pathovar tomato is expressed as one of four proteins encoded by the operon CopABCD that is responsible for copper res...
Allozyme Genetic Diversity and Conservation Strategy of Ten Natural Populations of Pinus bungeana Zu
[期刊论文] 作者:Li Bin,Gu Wanchun,Chen Xiaoyan,
来源:中国林学 年份:2004
Pinus bungeana is a three-needle pine with typical fragmented distribution in central and northwestern China. Its natural resources are gradually decreasing and...
Effect of Ga addition on the magnetic properties and microstructure of nanocrystalline Nd12.3Fe81.7B
[期刊论文] 作者:BAO Xiaoqian,GUO Xiaoyan,GUO J,
来源:稀有金属(英文版) 年份:2004
Nd12.3Fe81.7-xGaxB6.0 (x =0-1.8) ribbons were prepared by melt spinning at 22 m/s and subsequent annealing treatment.The influences of Ga addition and annealing...
[期刊论文] 作者:LU Nianduan,SONG Xiaoyan,LIU X,
来源:稀土学报(英文版) 年份:2004
A series of rare earth bulks with the ultrafine nanocrystalline structure were prepared by applying an "oxygen-free" (an environ-mental oxygen concentration les...
[期刊论文] 作者:Xiaoyan WU,Qing K.WANG,Le GUI,,
来源:华中科技大学学报(英德文版) 年份:2004
Even though mutations in LMNA have been reported in patients with typical dilated cardio-myopathy(DCM)and atrioventricular block(AVB)previously,the purpose of t...
[期刊论文] 作者:Liu Yuan,Wang Xiaoyan,Bai Xue,
来源:稀土学报(英文版) 年份:2004
A very active catalyst of CuO/CeO2 was made by adsorption-impregnation method for preferential oxidation of CO in H2. The CO conversion is close to 100% and sel...
[期刊论文] 作者:Xiaoyan TU,Guanglie LU,Yuewu Z,
来源:材料科学技术学报(英文版) 年份:2004
Nanosized orthorhombic LiMnO2 was successfully synthesized using Mn2O3 and LiOH.H2O as starting materials.Not only the reaction temperature was lower, but the r...
[期刊论文] 作者:Li Zhiyong,Gu Xiaoyan,Wang Bao,
来源:中国焊接 年份:2004
Through collecting the radiation of tungsten inert gas (TIG) welding arc, the radiation distribution in ultraviolet zone is analyzed in order to study the varia...
Improved Electrochemical Performance of Orthorhombic LiMn1-xCrxO2 Synthesized by Hydrothermal Method
[期刊论文] 作者:Xiaoyan TU,Guanglie LU,Yuewu Z,
来源:材料科学技术学报(英文版) 年份:2004
Single phase chromium-substituted orthorhombic LiMn1-xCrxO2 (0≤x≤0.05) were successfully synthesized by hydrothermal treatment of Mn2O3, Cr2O3 and lithium hyd...
[期刊论文] 作者:Zhang Wei,Fan Fen,Wang Xiaoyan,
来源:系统工程与电子技术 年份:2004
Motion estimation is an important and intensive task in video coding applications. Since the complex-ity of integer pixel search has been greatly reduced by the...
Relationship between the variation of water quality in rivers and the characteristics of watershed a
[期刊论文] 作者:WANG Xiaoyan,OU Yang,DOU Peiqi,
来源:中国地球化学学报(英文版) 年份:2004
Based on the characteristics of land use and drainage network of the upper watershed of the Miyun Res-ervoir, Beijing, 26 monitoring and sampling sites were sel...
[期刊论文] 作者:Xiaoyan Li,Jie Zhang,Xianlin C,
来源:北京科技大学学报 年份:2004
A study on roll gap profile (strip profile) control was accomplished in a 1700 mm single-stand temper mill. Some critical problems such as the deviation of work...
Derivation of Hillert-type 3D grain growth rate model with topological considerations and discussion
[期刊论文] 作者:Guoquan Liu,Haibo Yu,Xiaoyan S,
来源:北京科技大学学报 年份:2004
A Hillert-type three-dimensional grain growth rate model was derived through the grain topology-size correlation model,combined with a topology-dependent grain...
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