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A Study On The Chemical Properties Of Eugenol And Eugenol Acetate, Clove Essential Oils
(Yildiz Technical Univ, 2016)
Eugenol and eugenol acetate are a clove essential oil getting from hydrodistilltion of Syzygium aromaticum's buds and leaves. It has antimicrobial, antioxidant, analgesic, anticancer activities and used for protecting foods ...
An Examination of Cross Sectional Change in Student's Metaphorical Perceptions towards Heat, Temperature and Energy Concepts
(Necmettin Erbakan Univ, 2016)
In science teaching, metaphors are important tools for understanding meaningful learning and conceptual formation by the help of daily life language. This study aims to evaluate how the concepts of heat, temperature and ...
Augmented reality in science laboratories: The effects of augmented reality on university students' laboratory skills and attitudes toward science laboratories
(Pergamon-Elsevier Science Ltd, 2016)
This study investigated the effects of the use of augmented reality (AR) technologies in science laboratories on university students' laboratory skills and attitudes towards laboratories. A quasi-experimental pre-test/post-test ...
Convenient synthesis of disubstituted tacrine derivatives via electrophilic and copper induced reactions
(Pergamon-Elsevier Science Ltd, 2016)
The bromination of 2-aminobenzonitrile (2) with molecular bromine (2 equiv) furnished 2-amino-3,5-dibromobenzonitrile (7) in 98% yield. One-pot syntheses are described for dibromotacrine derivatives (6,14-18) utilizing ...
Effect of heat treatment on the microstructures and mechanical properties of Al-5.5Zn-2.5Mg alloy
(Elsevier Science Sa, 2016)
The Al-5.5 Zn-2.5 Mg (wt%) ternary alloy was prepared using a vacuum melting furnace and a casting furnace. Microstructural and mechanical properties of the alloy were investigated as-cast and under heat-treated conditions. ...