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[期刊论文] 作者：Saiful Arif Abdullah,
来源：Journal of Environmental Sciences 年份：2003
This paper presents the pattern and changes of fragmented forest in relation with changes of total forest cover in the state of Selangor in three decades.In thi...
[期刊论文] 作者：Abdullah Baran,孟宪民,
来源：腐植酸 年份：2003
土壤科学技术在泥炭地、泥炭地特征、泥炭性质和泥炭地利用研究上已经开展了大量工作,特别是在评价泥炭作为植物生长基质的泥炭性质特征方面发挥了重要作用。本研究目的是通...
THE DYNAMIC BUCKLING OF AN ORTHOTROPIC CYLINDRICAL THIN SHELL UNDER TORSION VARYING AS A POWER FUNCT
[期刊论文] 作者：Sofiyev Abdullah A1, Ay Zeki A,
来源：固体力学学报：英文版 年份：2003
The subject of this investigation is to study the buckling of orthotropic cylindricalthin shells under torsion,which is a power function of time.The dynamic sta...
[期刊论文] 作者：(C)i(g)dem (O)zcan,Abdullah Harmanci,
来源：代数集刊（英文版） 年份：2003
Let M be a right R-module, M the class of all M-small modules,and P a projective cover of M in σ[M]. We consider the torsion theories TM =(TM,FM), TV = (TV,FV)...
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