Browsing Fen Bilimleri Enstitüsü- Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 46
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Power absorption and the penetration depth of electromagnetic radiation in lead telluride under cyclotron resonance conditions
(Elsevier Science Publishers B.V.,Amsterdam, 1999)Cyclotron resonance absorption in n- and p-type PbTe was observed by Nii and was analysed under classical skin effect conditions. When the values of DC magnetic field corresponding to peaks are plotted against the field ... -
Onuncu sınıf öğrencilerinin öğrenme stilleri ve geometrik düşünme düzeyleri
(2004)Bu araştırmanın amacı 10. sınıf öğrencilerinin öğrenme stilleri ile geometrik düşünme düzeylerini belirlemek ve aralarındaki ilişkiyi araştırmaktır. Araştırmanın örneklemini Balıkesir’de bir Anadolu lisesinde öğrenim gören ... -
Identifying students' misconceptions about nuclear chemistry - A study of Turkish high school students
(Amer Chemical Soc, 2006)Some prerequisite concepts for learning nuclear chemistry are chemistry fundamentals. Concepts associated with nuclear science are prevalent throughout the science curricula at all levels of elementary and secondary education ... -
The erroneous derivative examples of eleventh grade students
(Edam, 2007)The derivative is not only an important subject for mathematics but also is an important subject for engineering, physics, economy, chemistry, and statistics. Especially, mathematics depends on strongly preceding learning ... -
Solunum Sistemi konusunun oluşturmacı yaklaşıma dayalı öğretiminin 6. sınıf öğrenci başarısına etkisi
(2008)Bu çalışmada, 6. sınıf Fen Bilgisi dersi "Solunum Sistemi" konusunun oluşturmacı öğrenmeye göre hazırlanan öğretimin, öğrenci başarısına etkisi incelenmiştir. Çalışmada geliştirilen test, çalışma grubuna, ön test ve son ... -
Rate of t alleles and tt genotype at mthfr 677c-> t locus or c alleles and cc genotype at mthfr 1298a-> c locus among healthy subjects in Turkey: Impact on homocysteine and folTc acid status and reference intervals
(Wiley, 2009)Methylenetetrahydrofolate reductase (MTHFR) is important for folate and homocysteine (Hcy) metabolism. MTHFR 677C->T and 1298A->C MTHFR are two most common mutations which can affect. folate and total homocysteine (tHcy) ... -
Copper and ıron determination with [n,n '-bis(salicylidene)-2,2 '-dimethyl-1,3-propanediaminato] in edible oils without digestion
(Wiley, 2010)A new method for the determination of copper(II) and iron(III) in liquid edible oils which does not require a digestion step was developed. The suggested method involves extraction of metals with [N,N'-bis(salicylidene)- ... -
Effects of vitamins c and e combination on element levels in blood of smoker and nonsmoker radiology x-ray technicians
(Humana Press Inc, 2010)X-ray radiation is detrimental to human cells and may lead to development of life-threatening diseases. Cigarette paper and cigarette smoke contain toxic elements, whereas vitamins C and E (VCE) may have regulator effects ... -
Density and compression strength properties of particulated and fiber reinforced polymer composites
(Gazi Üniv., 2011)The companies give advice values for the resin, accelerator and hardener ratio used in the production of composite materials. Different practices and environmental conditions during the manufacturing stages are effective ... -
Effects of vitamin C and e combination on element and oxidative stress levels in the blood of operative patients under desflurane anesthesia
(Humana Press Inc, 2011)We investigated effects of vitamin C and E (VCE) administration on desflurane-induced oxidative toxicity and element changes in the blood of operative patients under desflurane general anesthesia. Forty American Society ... -
Mechanical and morphological properties of polyvinylacetate (PVAc) emulsion composites
(Gazi University, 2012)In this study, PVAc homopolymer and copolymer properties in the improvement of different sizes were mixed with calcium carbonate (CaCO3). Homopolymer and copolymer emulsion properties of composites with filler ratio has ... -
Zinc and nickel determination in liquid edible oils by FAAS after the extraction
(Wiley-Blackwell, 2012)A new method has been developed for the extraction and determination of zinc and nickel in liquid edible oils by using the complexation of these metals with [N,N'-bis(salicylidene)-2,2'-dimethyl-1,3-propanediaminato]. ... -
Students' views about health concept by drawing and writing technique
(2013)The aim of the study was to determine the views of ninth grade students about health concept by drawing and writing technique. Study group consisted of 156 ninth grade students in two schools (Technical and Industrial ... -
Synthesis, spectral studies and complexation properties of N,N′-bis(5-bromo-salicylidene)-2-hydroxy-1,3-propanediamine (BSHP) and iron extraction with BSHP from oils
(Maik Nauka Publishing / Springer SBM, 2013)A Schiff base was synthesized by reaction of 1,3-diamino-2-propanol and 5-bromo-2-hydroxy benzaldehyde. The Schiff base N,N′-bis(5-bromo- salicylidene)-2-hydroxy-1,3-propanediamine (BSHP) was characterized by elemental ... -
Element fractionation analysis for milk in its real matrix by inductively coupled plasma optical emission spectrometry
(Taylor & Francis Ltd, 2013)Fractionation of elements in food is essential for understanding and prediction of its bioavailability, effects, and toxicity. In the present study, an analytical fractionation scheme for milk samples was developed for the ... -
Öğrencilerin alan bağımlı/bağımsız bilişsel stillerinin ve bilimsel düşünme yeteneklerinin maddenin doğası kavramlarını anlamalarına ve fen dersine yönelik tutumlarına etkisi
(2016)Çalışmanın amacı, ilköğretim sekizinci sınıf öğrencilerinin alan bağımlı/bağımsız bilişsel stilleri ve bilimsel düşünme yeteneklerinin maddenin doğası kavramlarını anlamalarına ve fen dersine yönelik tutumlarına etkisini ... -
Meslek eğitim merkezine devam eden ergenlerin kural dışı davranış düzeylerinin incelenmesi
(2016)Amaç: Mesleki eğitim merkezine devam eden ergenlerin kural dışı davranış düzeylerine etki eden etmenlerin incelenmesi amaçlandı.Yöntem: Araştırma bir mesleki eğitim merkezine devam eden ve çalışmaya katılmayı kabul eden ... -
Bazı salisilaldehit türevi imin bileşiklerinin sentezi ve C=N çift bağlarının indirgenme reaksiyonlarının FT-IR ile incelenmesi
(Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2016)Imines can be obtained from the reaction of aldehydes and ketones with primary amines (or ammonia) under appropriate conditions. Some amines are also organic compounds, accoured by the reducing of imines. Imines and amines ... -
Some inequalities about convolution and trigonometric approximation in weighted orlicz spaces
(Inst Mathematics & Mechanics, 2018)In this paper, we investigate the estimation problem of a convolution type transform by the best trigonometric approximation numbers in weighted Orlicz spaces, in which the generating Young functions are not necessary to ... -
Relationships between cusp points in the extended modular group and fibonacci numbers
(Honam Mathematical Soc, 2019)Cusp (parabolic) points in the extended modular group (Gamma) over bar are basically the images of infinity under the group elements. This implies that the cusp points of (Gamma) over bar are just rational numbers and the ...
