نتایج جستجو برای: aa
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background and aim: experience of love and romantic grief is prevalent in university students. the aim of this study was the study the role of early maladaptive schemas, personality traits and attachment in prediction of love trauma syndrome. materials and methods : for this propose 192 female student from azarbaijan shahid madani university selected by purposive sampling and according inclusio...
amino acid (aa) content of six meat and bone meal (mbm) samples was determined by ion-exchange chromatography. true aa digestibility of amino acids were determined of using precise sibbald's feeding method. metionin and lucien, with averages of 0.35 and 2.29 percent, had the lowest and highest values among essential aa of mbm samples. average content of individual aa, sum of essential and ...
In this paper we study the class of square matrices A such that AA − AA is nonsingular, where A stands for the Moore–Penrose inverse of A. Among several characterizations we prove that for a matrix A of order n, the difference AA−AA is nonsingular if and only if R(A) ⊕ R(A) = Cn,1, where R(·) denotes the range space. Also we study matrices A such that R(A) = R(A).
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