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Toplam kayıt 72, listelenen: 16-35
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(E)-3-[(2-Methyl-4-nitrophenyl)iminomethyl]-1-benzothiophene
(Wiley-Blackwell, 2012)In the title conpound, C16H12N2O2S, the 1-benzothiophene residue and the substituted benzene ring are oriented at a dihedral angle of 53.36 (6)degrees. The molecular conformation features a short C-H center dot center dot ... -
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. ... -
Effect of heat treatments on the microhardness and tensile strength of Al-0.25 wt.% Zr alloy
(Elsevier Science Sa, 2015)In the present work, the effect of heat treatments on the microhardness and tensile properties of the Al-0.25 Zr (wt.%) alloy have been investigated. The Al-0.25 Zr (wt.%) alloy was melted in a vacuum furnace, and the ... -
The effect of interactive whiteboard supported inquiry- based learning on achievement and motivation in physics and views of prospective teachers toward the instruction
(2013)Bu çalışmada, sorgulamaya dayalı öğrenme yaklaşımına uygun etkileşimli tahta destekli modern fizik öğretiminin akademik başarı ve motivasyona etkisi incelenmiş ve öğretmen adaylarının etkileşimli tahta destekli öğretime ... -
Effect of Mn content on the austenite-martensite phases and magnetic properties in Fe-Mn-Co alloys
(Elsevier Science Sa, 2011)The influence of the Mn content on the magnetic properties and microstructure of the Fe-Mn-Co alloys has been investigated by means of scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and ... -
The Effect of REACT and Computer-Assisted Instruction Model in 5E on Student Achievement of the Subject of Acids, Bases and Salts
(SPRINGER, 2020)This research was carried out to investigate the effect of the 5E learning method and 5E method enriched with REACT strategy on student achievement in science education. The research was carried out with 64 first-year ... -
Effects of aging on the microstructure of a Cu-Al-Ni-Mn shape memory alloy
(Springer, 2011)The influence of aging on the microstructure and mechanical properties of Cu-11.6wt%Al-3.9wt%Ni-2.5wt%Mn shape memory alloy (SMA) was studied by means of scanning electron microscopy (SEM), transmission electron microscopy ... -
The effects of austenite phase deformation on microstructure and magnetic properties in Fe-13.4% Mn-5.2% Mo alloy
(Springer, 2011)The effects of austenite phase deformation on martensitic transformations and magnetic properties in Fe-13.4% Mn-5.2% Mo have been investigated by scanning electron microscopy, transmission electron microscopy, and Mossbauer ... -
Effects Of Meaningful Learning On Conceptual Perceptions Related To "Force And Motion": An Experimental Study For Pre-Service Science Teachers
(Sci Methodical Ctr-Sci Educologica, 2014)The main purpose of science education is to enable students to connect concepts with daily life and establish relations between the concepts. Thus, many implementations related to constructivism have been carried out. The ... -
Effects of thermal treatments on mechanical properties of Cu-24.2%Mn alloy
(Natl Inst Optoelectronics, 2012)In this work, some physical and mechanical properties of Cu-24.2%Mn (wt %) alloy have been investigated by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and compression deformation test. Austenite phase has ... -
Eğitim fakültesi öğrencileri ile formasyon eğitimi alan fen edebiyat fakültesi öğrencilerinin öğretmenlik mesleğine yönelik öz yeterlik inançları
(2013)Bu çalışmada, Eğitim Fakültesi öğrencileri ile formasyon eğitimi alan Fen Edebiyat Fakültesi öğrencilerinin, öğretmenliğe ilişkin mesleki öz yeterlik inançlarının çeşitli değişkenler açısından karşılaştırılması amaçlanmıştır. ... -
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 ... -
Fen Bilimleri Öğretmenlerinin Teknolojik Pedagojik Alan Bilgilerinin İncelenmesi
(2019)Bu çalışmanın amacı, fen bilimleri öğretmenlerinin alan bilgilerinin teknoloji ile entegrasyonu sonucunda özyeterlik inançlarını incelemektir. Yapılan çalışmada hem nitel hem de nicel araştırma yöntemlerinden yararlanılmıştır. ... -
Fizik laboratuarına yönelik tutum ölçeği geliştirme: Geçerlik ve güvenirlik çalışması
(2012)Bu çalışmanın amacı, fen bilgisi öğretmenliği bölümünde öğrenim gören 1. sınıf öğre tmen adaylarının fizik laboratuarına yönelik tutumlarını değerlendirmek için geliştirilen tutum ölçeğinin geçerlik ve güvenirlik sonuçlarının ... -
Fizik Laboratuvarı Dersinde İşbirlikli Öğrenme Yönteminin Öğrencilerin Akademik Başarılarını Geliştirme Etkisinin Araştırılması
(2008)İşbirlikli öğrenme yönteminin öğrencilerin başarılarına etkisinin incelendiği bu araştırma için, Fen Bilgisi Öğretmenliği 1. sınıfında öğrenim gören 210 öğrenciden 1 deney 1 kontrol grubu oluşturulmuştur. Öğretim etkinliklerinin ... -
Focusing-free impedimetric differentiation of red blood cells and leukemia cells: A system optimization
(ELSEVIER SCIENCE SA, 2020)A focusing-free microfluidic impedimetric cell detection system is developed. The effect of the channel dimensions, solution conductivity, excitation voltage, and particle size on impedimetric signal outputs were optimized ... -
In vitro antiproliferative/cytotoxic activity of 2,3 '-biindole against various cancer cell lines
(Tubitak Scientific & Technical Research Council Turkey, 2015)2,3'-Biindole (2) was synthesized via bromination of indole (1) with molecular bromine and underwent simultaneous dimerization. Antiproliferative and cytotoxic activity of 2 was investigated in vitro on C6 (rat brain tumor), ... -
The inhibition effect of garlic-derived compounds on human immunodeficiency virus type 1 and saquinavir
(Wiley, 2018)Garlic has been used as a traditional medicine to treat various diseases. Garlic reduces the risk of some diseases. This protective effect is due to the organosulfur compounds of garlic. The aim of this study was to ... -
The Investigation Of Menthol's Bioactivity As Theoritical By Using DFT (Density Functional Theory)
(2015)Mints are used tradational medicine for hundred years by humankind. The important constitiuent of mint, menthol, is especially in blood is eager to give reaction as an antioksidan. To understand menthol's bioactivity in ... -
The investigation of the healing effect of active ingredients in traditional medicinal plants on lung cancer
(HUMANA PRESS INC, 2020)The healing effect of herbal active compounds on lung cancer has been recently investigated. Lung cancer is one of the leading types of cancer. The causes and prevention of lung cancer diagnosis have an important role as ...