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1.462.861  Articles
1 of 146.287 pages  |  10  records  |  more records»
Purpose. This paper reports on an investigation of Arabic word order acquisition by twelve Jordanian children with autism spectrum disorder (ASD), and the reasons for this order of acquisition. This study researched the following questions: (1). Whic... see more

The aim of this article is to determine the semantic and etymological roots of the fifty names of the American states. It examines the etymology of these names and seeks to explain the sociolinguistic aspects that contributed to their development. Moreove... see more

The structure of boron–nitride nanotubes (BNNTs) is very similar to that of CNTs, and they exhibit many similar physical and chemical properties]. In particular, a single walled boron nitride nanotube (BNNT) and a single walled carbon nanotube (CNT) have ... see more

Abstract : Nitrilimines (2a,b), react with nitroarginine methyl ester (3) at room temperature, through cyclocondensation reaction, to give 1-aryl-3-substituted-1,2,4-triazin-6-ones (4a,b). Condensation of these compounds with thiosemicarbazide give the th... see more

Nitrilimines (2), react with nitroarginine methyl ester (3) at room temperature, through cyclocondensation reaction, to give 1-aryl-3-substituted-1,2,4-triazin-6-ones (4a-k). The structure of these compounds was deduced from: elemental analysis, IR, mass ... see more

Nitrilimines (2a-e) react with aldehydemethoxycarbonylhydrazones (3-5) to afford 3-acetyl-5-alkyl-1-aryl-4-(methoxycarbonylamino)-4,5-dihydro-1H-1,2,4-triazoles (6-8a-e). Thestructure of these compounds was elucidated by IR, MS and NMR spectraldata.

We report the structures and the nonresonant Raman spectra of hybrid systems composed of carbon fullerenes ( C 60 and C 70 ) encased within single walled boron nitride nanotube. The optimal structure of these systems are derived from total e... see more

In recent years, we have witnessed a high interest in the study of methodology in the field of Islamic economics. Works in the form of books, journals, or articles on methodologies have developed rapidly over the past two decades. People’s interest bindin... see more

For many years, educational researchers have been challenged to prove and justify the effective use of computers in teaching  and learning in the classroom. In reviewing  the antecedents of computer use in  education, many studies have adop... see more

1 of 146.287 pages  |  10  records  |  more records»