منابع مشابه
On the second order first zagreb index
Inspired by the chemical applications of higher-order connectivity index (or Randic index), we consider here the higher-order first Zagreb index of a molecular graph. In this paper, we study the linear regression analysis of the second order first Zagreb index with the entropy and acentric factor of an octane isomers. The linear model, based on the second order first Zag...
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Topological indices are numerical parameters of a molecular graph G which characterize its topology. On the other hands, computing the connectivity indices of molecular graphs is an important branch in chemical graph theory. Therefore, we compute First Zagreb index Zg <span style="font-family: TimesNewRomanPS-Italic...
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This paper explores the ways in which the transfer of assumptions from first language (L1) writing can help the process of writing in second language (L2). In learning second language writing skills, learners have two primary sources from which they construct a second language system: knowledge and skills from first language and input from second language. To investigate the relative impact of ...
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"Doctors are frightened of malpractice" a comment recently made on his colleagues by a former director of the United States National Cancer Institute [1]. In Britain a remorseless increase in the number of actions against doctors by patients and their relatives and the cost of such actions has led to the government taking over responsibility for compensation for medical negligence [2]. In North...
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ژورنال
عنوان ژورنال: Age and Ageing
سال: 2003
ISSN: 0002-0729,1468-2834
DOI: 10.1093/ageing/afh006