Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 731, listelenen: 161-180
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NORMAL DEVELOPABLE SURFACES OF A SURFACE ALONG A DIRECTION CURVE
(Indonesian Mathematical Soc, 2020)We construct a developable surface normal to a surface along a curve on the surface. We choose the curve as the normal direction curve on which the new surface is formed in Euclidean space. We obtain some results about the ... -
Comparison of Nerve Fiber Density between Patients with Uterine Leiomyoma with and without Pain: a Prospective Clinical Study
(Georg Thieme Verlag Kg, 2018)Introduction We aimed to compare the presence and the amount of nerve fibers in endometrial, myometrial and leiomyoma tissues using protein gene product 9.5 (PGP 9.5) and neurofilament (NF) immunohistochemical staining in ... -
Natural radioactivity measurements and evaluation of radiological hazards in sediment of Aliaa Bay, zmir (Turkey)
(Springer Heidelberg, 2021)The activity concentration of natural Ra-226, Th-232, and K-40 radionuclides was examined in some selected locations in Aliaga Bay of Izmir district, Turkey. Sediment samples from 30 locations were collected and analyzed ... -
Dose rates and seasonal variations of U-238, Th-232, Ra-226 K-40 and Cs-137 radionuclides in soils along Thrace, Turkey
(Springer, 2014)Concentrations of U-238, Th-232, Ra-226, K-40 and Cs-137 are measured in collected soil samples from various locations in the Thrace region of Turkey. The activity concentrations range from 12.82 to 101.75 Bq kg(-1) d.w. ... -
Annual effective dose of naturally occurring radionuclides in soil and sediment
(Taylor & Francis Ltd, 2014)In this study, the natural radioactivity level of soils and sediments due to the usage of fertilizers, particularly phosphate fertilizers, in agricultural lands of the Buyuk Menderes River Basin, Western Turkey, have been ... -
Intriguing of two-dimensional Janus surface-functionalized MXenes: An ab initio calculation
(Elsevier, 2020)MXenes, two-dimensional (2D) transition metal carbides and nitrides displaying astonishing properties are emerged as a new class of two-dimensional (2D) layered materials. Motivated by the recent successful synthesis of ... -
New predicted two-dimensional MXenes and their structural, electronic and lattice dynamical properties
(Pergamon-Elsevier Science Ltd, 2019)MXenes, transition metal carbides and nitrides, are a bourgeoning class of two-dimensional (2D) materials due to their tunable electronic and magnetic structures, rich surface chemistry and thermal stability. Here, we ... -
Three-component aza-Diels-Alder reactions using Yb(OTf)(3) catalyst under conventional/ultrasonic techniques
(Elsevier Science Bv, 2014)The Yb(OTf)(3) catalyzed formal aza-Diels-Alder (or Povarov) reaction of cyclopentadiene and 1,3-cyclohexadiene with in situ-generated N-arylimines under conventional/ultrasonic techniques is herein described. This kind ... -
NPT Simulation and Hypernetted-Chain Calculations of SrCl2
(Amer Inst Physics, 2013)Transition to fast-ion conducting phase and liquid phase of SrCl2, was investigated the molecular dynamics simulation in constant pressure-temperature ensemble (NPT) and hypernetted-chain theory using the fully ionic rigid ... -
Monte Carlo simulations and forecasting of Radium-226, Thorium-232, and Potassium-40 radioactivity concentrations
(Springer, 2020)This study depicts the radioactivity time series levels of Ra-226, Th-232, and K-40 prospectively by Monte Carlo simulations (MCSs). Three ARIMA stationary stochastic processes are used with measurement records statistical ... -
Characterization of gamma-ray and neutron radiation absorption properties of synthesized quinoline derivatives and their genotoxic potential
(Pergamon-Elsevier Science Ltd, 2021)In this study, six different types of quinoline derivatives were synthesized, which can be used as an anti-radiation drug for active matter and its effects against radiation was determined. The effective removal cross-sections, ... -
Structural, electrical and optical characterization of Mn doped CdO photodiodes
(Elsevier, 2020)Undoped CdO, 0.2% Mn doped CdO, 6% Mn doped CdO and 10% Mn doped CdO photodiodes were prepared using sol-gel method and deposited on Si substrate at room temperature. Electrical and optical properties of the diodes were ... -
The construction of the space-like surface of constant breadth
(World Scientific Publ Co Pte Ltd, 2019)The objective of this study is to define an ovaloid surface on the convex closed space-like surfaces of constant breadth when principal curvatures of these surfaces are continuous, non-vanishing functions, and to obtain ... -
Statistically Defining Optimal Conditions of Coagulation Time of Skim Milk
(Chem Soc Pakistan, 2014)Milk consist huge amount of largely water and different proteins. Kappa-kazein of these milk proteins can be coagulated by Mucor miehei rennet enzyme, is an aspartic protease which cleavege 105 (phenly alanine)-106 ... -
Metallic nanoparticles as X-Ray computed tomography (CT) contrast agents: A review
(Elsevier, 2020)X-ray computed tomography vastly used in both medical purposes and in the research of biological and non-biological materials/samples. Some of the medical applications performed in the clinics requires special protocols ... -
Dye-modified carbon nanotubes for the optical detection of amines vapours
(Elsevier Science Sa, 2015)Thin films of peripheral and non-peripheral tetra-substituted copper phthalocyanines [CuPcR4, R =-O(CH2CH2O)(3)CH3 or -S(CH2CH2O)(3)CH3] and their hybrids with single walled carbon nanotubes( SWCNT) have been investigated ... -
Melamine-based microporous polymer for highly efficient removal of copper(II) from aqueous solution
(Wiley-Blackwell, 2016)In this study, we investigated the ability of a melamine-based microporous polymer network as an adsorbent for removal of copper(II) species from aqueous solutions. A designed Schiff based network (SNW) with high specific ... -
Hermite-Hadamard type inequalities for m-convex and (alpha, m)-convex functions
(Springer, 2020)In this paper, some new inequalities of the Hermite-Hadamard type for the classes of functions whose derivatives' absolute values arem-convex and(alpha,m)-convex are obtained. The results obtained in this work extend and ... -
Synthesis of enantiopure aminonaphthol derivatives under conventional/ultrasonic technique and their ring-closure reaction
(Elsevier Science Bv, 2016)New optically active aminoalkylnaphthols were obtained by condensation of 2-naphthol, substituted aromatic and heteroaromatic aldehydes and (R)-(+)-1-phenylethylamine or (S)-(-)-1-phenylethylamine under conventional methods ... -
Modeling the superstorm in the 24th solar cycle
(Springeropen, 2019)The St. Patrick's Day phenomenon is a geomagnetic storm that deserves serious discussion because of its intensity and effectiveness. This study focuses on the St. Patrick's Day storm on March 17, 2015, which is the first ...
