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[期刊论文] 作者:Khalid Jamil,Muhammad Shoaib,F, 来源:黑龙江科技学院学报 年份:2004
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:Caroline F Pukall,Sophie Berge, 来源:黑龙江科技学院学报 年份:2004
慢性外阴疼痛,简称为外阴痛,在普通妇女人群中的发病率约为16%.本文简要概述了外阴痛的病因学以及治疗现状.到目前为止,对自发性广泛性外阴痛(unprovoked generalized vulvod...
[期刊论文] 作者:Silke F Fischer,Katja Schmidt,, 来源:世界胃肠病学杂志(英文版) 年份:2004
AIM: To study the expression of HBV enhancer Ⅱ by transcription factor COUP-TF1.METHODS: In order to study the regulation of HBV variants in the vicinity of th...
[期刊论文] 作者:YOU Ben-sheng,ZHONG Ji-cheng,F, 来源:环境科学学报(英文版) 年份:2004
The turuovor of phosphorus (P) in lake sediments,a major cause of eutrophication and subsequent deterioration of water quality,is in need of deep understanding....
[期刊论文] 作者:LIU Chun-xia,JIANG Xiao-ping,F, 来源:热带气象学报(英文版) 年份:2004
Bilis (0604) is a strong tropical storm that sustained over land for a long time, bringing torrential rain. With conventional observation data, radar data and i...
[期刊论文] 作者:BI Zheng-gang,HAN Xing-guang,F, 来源:中华医学杂志(英文版) 年份:2004
Background The use of a free,vascularized fibular graft is an important technique for the reconstruction of large defects in long bones.The technique has many a...
[期刊论文] 作者:Helvio J.A.Martins,Cintia de F, 来源:高电压技术 年份:2004
This paper has an objective to show a developed quantitative criterion, based in two mathematical variables that explicit the deviation degree of a normal situa...
[期刊论文] 作者:YAN Ren-Chang,BIAN Jian-Chun,F, 来源:大气和海洋科学快报:英文版 年份:2004
The South Asia High (SAH) is the dominant feature of the circulation in the upper troposphere and lower stratosphere (UTLS) during the boreal summer, and the upper...
[期刊论文] 作者:Mukesh Motwani,Rakhi Motwani,F, 来源:电子科技学刊 年份:2004
Video tracking is a complex problem because the environment, in which video motion needs to be tracked, is widely varied based on the application and poses seve...
[期刊论文] 作者:Nicodemus,Michael A,Salifu,K F, 来源:稀土学报(英文版) 年份:2004
Rare earth elements have been used for 30 years in Chinese agriculture to improve growth and yield. Numerous scientific studies have shown improvements in physi...
[期刊论文] 作者:WANG SHU-YUN,LIANG XUE-ZHANG,F, 来源:数学研究通讯 年份:2004
A new Rogosinski-type kernel function is constructed using kernel function of partial sums Sn(f; t) of generalized Fourier series on a parallel hexagon domain...
[期刊论文] 作者:ZHANG Jian-Bing,WANG Jin-wen,F, 来源:光散射学报 年份:2004
用YAG脉冲激光器烧蚀去离子水中的Ag片,得到高分散均匀的Ag纳米胶体,通测试发现此Ag胶体系是一种非常高效的SERS活性增强基底,并对其与对羟基苯甲酸的吸附行为做了简要分析....
[期刊论文] 作者:ZHU Hai-Ping,ZHENG Chun-Long,F, 来源:理论物理通讯(英文版) 年份:2004
Starting from a special variable transformation and with the help of an extended mapping approach,the high-order Schr(o)dinger equation (n = 3, 4) is solved. A...
[期刊论文] 作者:ZHU Hai-Ping,ZHENG Chun-Long,F, 来源:理论物理通讯(英文版) 年份:2004
In this paper, we extend the mapping approach to the N-order Schrodinger equation. In terms of the extended mapping approach, new families of variable separatio...
[期刊论文] 作者:QIN Mao-Chang,MEI Feng-Xiang,F, 来源:理论物理通讯(英文版) 年份:2004
This paper introduces an effective method for seeking localconservation laws of general partial differential equations (PDEs). The well-known variational princi...
[期刊论文] 作者:Hong-Fei Liang,Hai-Juan Zhao,F, 来源:中国天文和天体物理学报(英文版) 年份:2004
A set of two-dimensional Stokes spectral data of NOAA AR 10197 obtained by the Solar Stokes Spectral Telescope (S3T) at the Yunnan Observatory are qualitatively...
[期刊论文] 作者:ZHENG Xiaoping,ZHANG Peifeng,F, 来源:中国科学G辑(英文版) 年份:2004
The effect of Al substitution for Fe on crystal structure, magnetostriction and spontaneous magnetostriction, anisotropy and spin reorientation of a series of p...
[期刊论文] 作者:Min-zhi Chen,Xiao-liang Wang,F, 来源:高分子科学(英文版) 年份:2004
The concept of entanglement provides the basis of our current understanding of the flow behavior of polymer melts. Current techniques developed to investigate t...
[期刊论文] 作者:XIONG Chuanbing,JIANG Fengyi,F, 来源:中国科学E辑(英文版) 年份:2004
InGaN MQW LEDs, grown by metal-organic chemical vapor deposition(MOCVD) on Si(111) substrates, were successfully bonded and transferred onto new Si substrate. A...
[期刊论文] 作者:J.YANG,J.WANG,G.Sidoti,J.LIU,F, 来源:高分子科学 年份:2004
Confined thin film melt polymerization (CTFMP) of naphthalene chloride/hydroquinone (NC/HQ, 1/1, molar)mixtures at polymerization temperatures (Tp) below ca. 30...
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