Güncel Gönderiler: Matematik ve Fen Bilimleri Eğitimi-Makale Koleksiyonu
Toplam kayıt 658, listelenen: 201-220
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A rearranged homoploid hybrid species of Origanum (Lamiaceae): O. xmunzurense Kit Tan & Sorger
(Soc Botanique France, 2019)Origanum munzurense Kit Tan & Sorger (Sect. Brevifilamentum Ietsw.) was described by Kit Tan & Sorger in 1984, and it is an accepted species related to O. acutidens (Hand.-Mazz.) Ietsw. belonging to sect. Brevifilamentum. ... -
Measurement of creative teaching in mathematics class
(Routledge Journals, 2019)The current study serves two main purposes: (1) proposing a framework suggesting several conditions that mathematics teachers should establish to increase student creativity, and (2) developing and validating a scale based ... -
Using a simple method to estimate (approximate) the angle between the lunar orbit and the ecliptic
(Amer Assn Physics Teachers, 2019)This paper describes a method to demonstrate that the plane of the lunar orbit around Earth and the plane of the ecliptic (the plane of Earth's orbit around the Sun) are inclined with respect to each other, and to present ... -
On the problem sigma(od)(n) = sigma(od)(n+1)
(Univ Nis, 2019)Let sigma(od)(n) = Sigma(d vertical bar n,2 inverted iota d) d. In this paper, we study the solutions of sigma(od)(n) = sigma(od)(n + 1), their relations to Pell numbers, and some interesting conjectures. Finally, we obtain ... -
Hybridization among three cirsium (asteraceae) species and important evidence for three new hybrids from Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2019)In this study, three new hybrids from the genus Cirsium are described for the first time. Cirsium xnezaketiae Yildiz, Dirmenci & Arabaci, C. xkelkitensis Yildiz, Arabaci & Dirmenci, and C. xerzincanicum Yildiz, Dirmenci & ... -
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 ... -
The Kaufman domains of creativity scale: Turkish validation and relationship to academic major
(Wiley, 2019)One common self-assessment of creativity is the Kaufman Domains of Creativity Scale (K-DOCS). This article provides support for a Turkish translation of the instrument, offering exploratory and confirmatory factor analysis ... -
Exploring prospective chemistry teachers' perceptions of precipitation, conception of precipitation reactions and visualization of the sub-microscopic level of precipitation reactions
(Royal Soc Chemistry, 2019)In this study, how prospective chemistry teachers (PCTs) perceive precipitation and conceptualize precipitation reactions at the symbolic level was explored. Further, it was of interest to identify PCTs' visualization of ... -
Defining phylogenetic relationship of nepeta x tmolea and its parents via DNA barcoding
(Pensoft Publishers, 2019)Nepeta viscida and N. nuda subsp. nuda and N. x tmolea were examined in this study. Mainly fresh leaf pieces, dried with silica grains, were used for DNA extraction procedures via DNA isolation kits. Standard PCR techniques ... -
Rosmarinic and carnosic acid contents and correlated antioxidant and antidiabetic activities of 14 salvia species from Anatolia
(Elsevier, 2019)Herbal medicine has been used worldwide as an alternative treatment. Salvia genus is one of the most remarked herbs which is traditionally used in the treatment of many diseases. Therefore, it is a crucial issue to reveal ... -
Commutator subgroups of the power subgroups of generalized Hecke groups
(Luhansk Taras Shevchenko Natl Univ, 2019)Let p, q >= 2 be relatively prime integers and let H p, q be the generalized Hecke group associated to p and q. The generalized Hecke group H-p,H-q is generated by X (z) = - (z - lambda(p))(-1) and Y (z) = -(z + lambda(q))(-1) ... -
An investigation on the determination of diurnal and ontogenetic variations of essential oil composition in sideritis trojana growing in kazdagi (Edremit-Balikesir)
(Kahramanmaraş Sütçü Imam Univ Rektörlüğü, 2019)This study was conducted to determine the essential oil composition and diurnal variations (9.00 am, 12.00 am and 16.00 pm) of Sideritis trojana Bornm. which was distributed naturally at the peak of Kazdagi. (Edremit-Balikesir), ... -
Evaluation of some Turkish Salvia species by principal component analysis based on their vitamin B2, mineral composition, and antioxidant properties
(Elsevier Science BV, 2019)In this study, 14 Turkish Salvia species, 12 of which are endemic, were characterized based on their vitamin B2, mineral, total phenolic contents, and antioxidant activities. Determination of vitamin B2 in Salvia species ... -
Generalızed pell sequences related to the extended generalızed hecke groups (H)over-bar(3,q) and an applıcatıon to the group (h)over-bar(3,3)
(Honam Mathematical Soc, 2019)We consider the extended generalized Hecke groups (H) over bar (3,q) generated by X (z) = -(z - 1)(-1), Y (z) = -(z + lambda(q))(-1) with lambda(q) = 2 cos(pi/q) where q >= 3 an integer. In this work, we study the generalized ... -
Ascertaining the factors that influence the vapor sensor response: The entire case of MWCNT network sensor
(Elsevier Science SA, 2019)This paper endeavors to answer an important question posed during the fabrication of vapor sensors based on multiwall carbon nanotubes (MWCNTs): How do the preparation and measurement conditions influence the sensor response ... -
A novel isopimarane diterpenoid with acetylcholinesterase inhibitory activity from Nepeta sorgerae, an endemic species to the Nemrut Mountain
(Natural Products Inc, 2012)From the dichloromethane extract of Nepeta sorgerae, the isolation and structure elucidation are now reported of a new isopimarane diterpenoid, named sorgerolone, and two known triterpenoids, oleanolic acid and ursolic ... -
An explanatory framework for chemistry education: The two-world model
(Turkish Education Assoc, 2010)This study offers chemistry teachers, educators and researchers a useful explanatory framework - "the two-world model" - to assist them in establishing and understanding students' thoughts about concepts or phenomena in ... -
The connections between continued fraction representations of units and certain hecke groups
(Malaysian Mathematical Sciences Soc, 2010)Let lambda = root D where D is a square free integer such that D = m(2)+1 for m = 1,3, 4, 5,..., or D = n(2) - 1 form = 2, 3, 4, 5,.... Also, let H(lambda) be the Hecke group associated to A. In this paper, we show that ... -
Relationships between fixed points and eigenvectors in the group GL (2, ℝ)
(Springer International Publishing Ag, 2013)PSL(2, R) is the most frequently studied subgroup of the Mobius transformations. By adding anti-automorphisms G' = {a'z + b'/c'z + d' : a', b', c', d' is an element of R, a'd' - b'c' = -1} to the group PSL(2, R), the ... -
Trichome micromorphology in Turkish species of Ziziphora (Lamiaceae)
(Wiley-Blackwell, 2013)Ziziphora L. is represented by 5 species and 2 subspecies in the flora of Turkey: Z. clinopodioides, Z. capitata, Z. persica, Z. tenuior, Z. taurica subsp. taurica, Z. taurica subsp. cleonioides. It is difficult to distinguish ...
