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,Coupled-Channel Investigation of the Collision of Protons and Antiprotons with Hydrogen- Like Atoms
[期刊论文] 作者：Reda S. Tantawi,
来源：中国物理快报（英文版） 年份：2003
The influence of the electric charge of both the projectile and the target nucleus on the cross section of the inelastic collision of protons and antiprotons wi...
,Modulational instability of a weakly relativistic ion acoustic wave in a warm plasma with nontherma
[期刊论文] 作者：Abdel Krim,S. A. El-Warraki,W. F.El-Taibany,
来源：中国物理(英文版) 年份：2003
An investigation has been made of modulational instability of a nonlinear ion acoustic wave in a weakly relativis-tic warm unmagnetized nonthermal plasma whose...
[期刊论文] 作者：邓勇辉,王雷,杨武利,府寿宽,Elaissari Abdel,
来源：高等学校化学学报 年份：2003
利用反相微乳液一步法成功地制备了磁性聚合物纳米微球, 微球粒径在30～100 nm左右, 均一性较好. 研究表明, Fe(Ⅱ)浓度对微乳液和微胶乳的稳定性有很大影响, 碱的种类、 AOT和...
[期刊论文] 作者：Ayad Mohammed Fadhil,
来源：Journal of China University of Geosciences 年份：2003
This research was conducted at the sand dunes stabilization research s tation in Baiji district, Iraq. Three techniques for sand dunes stabilization ar e selected: the first method is stabilization b...
Conversion of 3-Carbethoxy-4-methyl Coumarin Derivatives into Several New Annelated Coumarin Derivat
[期刊论文] 作者：BAKEER, Hadeer Mohammed,
来源：Chinese Journal of Chemistry 年份：2003
The reaction of ethyl esters of 4-methyl-2-oxo-2H-1-benzo (naphtho) pyran-3-carboxylic acids (1) with aromatic aldehydes in the presence of piperidine yielded 4...
A Design and Analysis of Dolph-Chebyshev Microstrip Planar Array Using Butler Matrix Beamforming Net
[期刊论文] 作者：ABDALLAH A.S.,MOHAMMED Y.E.,
来源：The Journal of China Universities of Posts and Telecommunica 年份：2003
The design and analysis of special type beamformer, the Butler matrix, to achieve orthogonal beamforming networks is presented in this paper. A 4×4 microstrip...
[期刊论文] 作者：杨杰,Al-Rawi Mohammed,叶晨洲,
来源：上海交通大学学报 年份：2003
基于仿射矩正则化技术,推导出了新的光照仿射不变特征:Zernike矩、多波段相关函数.通过正则化方法实现仿射不变矩,采用组合矩方法和奇异值分解方法实现光照不变性.在推导光照不变性时必须使用复数值矩(如Zernike矩),因为实数值仿射不变矩不能实现独立于光照变化......
[期刊论文] 作者：Frances Harris,Salisu Mohammed,刘林群,,
来源：AMBIO-人类环境杂志 年份：2003
非洲农村地区可食用的野生植物为人们的日常饮食提供了多种多样的营养成分,包括各种维生素和矿物质,在食品匮乏时期也发挥了重要作用。本文讨论了半干旱的西非地区野生食品(...
Effects of Lanthanum on Redox Systems in Plasma Membranes of Casuarina equisetifolia Seedlings Under
[期刊论文] 作者：李裕红,严重玲,刘景春,Mohammed Almasri,梁,
来源：中国稀土学报：英文版 年份：2003
The effects of lanthanum on some redox system(PMRS) properties of the plasma membrane(PM) vesicles from Casuarina equisetifolia seedlings under artificial acid...
[期刊论文] 作者：李裕红,严重玲,刘景春,Mohammed Almasri,梁洁,张瑞锋,
来源：Journal of Rare Earths 年份：2003
The effects of lanthanum on some redox system(PMRS) properties of the plasma membrane(PM) vesicles from Casuarina equisetifolia seedlings under artificial a...
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