搜索筛选:
搜索耗时1.6304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: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...
[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...
[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...
[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...
[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...
[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...
[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...
相关搜索: