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Supersymmetry and Shape Invariance of Hartmann Potential and Ring-Shaped Oscillator Potential in the
[期刊论文] 作者:QIAN Shang-Wu HUANG Bo-Wen WAN,
来源:理论物理通讯:英文版 年份:2002
This article shows that in spherical polar coordinates, some noncentral separable potentials have super-symmetry and shape invariance in the r and θ dimensions...
Supersymmetry and Shape Invariance of Hartmann Potential and Ring-Shaped Oscillator Potential in the
[期刊论文] 作者:QIAN Shang-Wu,HUANG Bo-Wen,WAN,
来源:黑龙江科技学院学报 年份:2002
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...
Existence of infinite non-Birkhoff periodic orbits for area-preserving monotone twist maps of cylind
[期刊论文] 作者:CHENG Wei,CHENG Chongqing,
来源:黑龙江科技学院学报 年份:2000
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:CUI Bo-wen REN Zhang TANG Chen,
来源:国际设备工程与管理:英文版 年份:2001
This paper presents the method of model based incipient fault detection for gear drives,this method is based on parity space method. It can generate the robust...
[期刊论文] 作者:CUI Bo-Wen,Ren Zhang,TANG Cheng-wan,
来源:城市道桥与防洪 年份:2001
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:LI Bo-wen,WEN Run-sheng,WANG N,
来源:武汉理工大学学报(材料科学版)英 年份:2001
Mullite refractory was made from micropowder of andalusite and α-Al2O3 by an one-step sintering process. This refractory has a lower linear expansion coefficie...
[期刊论文] 作者:David Cheng,,
来源:城市住宅 年份:1998
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[期刊论文] 作者:Cheng LIU,
来源:国际泥沙研究:英文版 年份:2002
Two-dimensional hydrodynamic simulation for the Yangtze Estuary is performed by using the Delft3D model adopting the shallow water equations and the finite volu...
[期刊论文] 作者:Cheng,CC,
来源:国外医药:抗生素分册 年份:1992
虽然早在公元前1500年癌症已为人们所知晓,而且在许多古代医学著作中有用草本植物治疗癌症的记载,但是在1930年以前,用药物来治疗癌症一直未引起人们的重视,直到50年前...
[期刊论文] 作者:Xian-guo CHENG,
来源:棉花学报 年份:2002
Abiotic stress including drought, low temperature, ABA and high salt is major factor affecting the plant growth. Isolation and functional study of abiotic stres...
[期刊论文] 作者:M.C.Aaron Cheng,,
来源:油气井测试 年份:1989
虽然天然气流过套管孔眼的紊流压力降,能占整个压降的90%,最近 Mcleod 的研究表明,天然气通过孔眼周围的破碎压实带的流动尤其具有重要的意义。本文给出了计算机模拟研究的结...
[期刊论文] 作者:Siwei, Cheng,
来源:系统工程与电子技术:英文版 年份:1992
The definitions, methodology, applications, and perspectives of process systems engineering are discussed from a strategic point of view. The focal points in fu...
[期刊论文] 作者:CHENG Long-di,
来源:东华大学学报:英文版 年份:2002
The paper deals with the different sinking properties of ceramic fiber and the ceramic shot in wetlaid nonwoven processes. The difference between the sinking pr...
[期刊论文] 作者:Cheng Tieliang,
来源:China Today 年份:2000
...
[期刊论文] 作者:Cheng Oianfan,
来源:中国社会科学:英文版 年份:1985
differs with the view that this poem represents'the romanticism of shaking off the yoke of worldly conventions,and longing for theemancipation of individual...
[期刊论文] 作者:Cheng Tieliang,
来源:今日中国:英文版 年份:2000
...
[期刊论文] 作者:Cheng Bin,
来源:中医杂志:英文版 年份:2001
Clinically, there is a higher incidence of protrusion of the lumbar intervertebral disc. It can cause a terrible pain. The author has treated 66 cases by massot...
[期刊论文] 作者:CHENG RAN,
来源:China's Tibet 年份:2001
...
Relationship Between Agriculture and Ecological Deterioration, Restoration and Reconstruction in Loe
[期刊论文] 作者:CHENG Xu,
来源:中国农业科学:英文版 年份:2002
A comprehensive analysis was conducted on the current situation as well as historic succession process of agriculture and ecological conditions in Northwest Chi...
[期刊论文] 作者:CHENG Qi,
来源:中国海洋工程:英文版 年份:2000
—Corrosion of reinforced concrete structures is a serious problem in ocean engineering.As anorientation of study anticorrosion coating technique is develop...
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