Dil "eng" Makale Koleksiyonu için listeleme
Toplam kayıt 343, listelenen: 81-100
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Determination of Titanium in Zinc ash by FAAS After Digested using Ultrasound-Assisted Extraction
(Kırklareli Üniversitesi, 2021)In this study, it is aimed to determine the amount of Ti (titanium) in waste ash samples taken from galvanizing factories by using flame atomic absorption (FAAS). Various time periods and different solvent mixtures were ... -
Development of thermo-responsive poly(vinyl alcohol)-g-poly(N-isopropylacrylamide) copolymeric membranes for separation of isopropyl alcohol/water mixtures via pervaporation
(Elsevier Science Inc, 2016)This study aims to develop thermo-responsive poly(N-isopropylacrylamide) (PNIPAAm) grafted poly(vinyl alcohol) (PVA-g-PNIPAAm) copolymer membranes for separation of isopropyl alcohol (IPA)/water mixtures via pervaporation. ... -
A different view of the tube surface in Minkowski 3-space E-1(3)
(Tbilisi Centre Math Sci, 2021)A basic goal of this paper is to study the tube surface with a null Cartan curve with respect to the Bishop frame in Minkowski 3-space E-1(3) and to compute some geometric features for this kind of the tube surface such ... -
Distribution of natural radionuclide concentrations in sediment samples in Didim and Izmir Bay (Aegean Sea-Turkey)
(Elsevier Sci Ltd, 2012)Natural and artificial radionuclide pollutants of the marine environment have been recognized as a serious environmental concern. The natural radioactivity activity concentrations of Ra-226, U-238, Th-232 and K-40 were ... -
Do first trimester maternal serum follistatin like 3 levels predict preeclampsia and/or related adverse pregnancy outcomes?
(7847050 Canada Inc, 2019)Purpose of Investigation: The aim of this study is to evaluate whether first trimester maternal serum follistatin like 3 (FSTL3) levels can be used to predict preeclampsia and related obstetric complications. Materials and ... -
DOES EDUCATIONAL INSPECTION NECESSITATES EXPERTISE?
(T.C. Milli Egitim Bakanligi, 2019)Educational Inspection is a scientific area having, principles, methods and, most importantly having a theoretical basis for its field. Inspectors must have the scientific background to have the expertise to supervise the ... -
Does Glp-2 have a protective effect on cerebral ischemia/reperfusion model?
(Tubitak Scientific & Technical Research Council Turkey, 2015)Background/aim: To investigate the neuroprotective effects of glucagon-like peptide 2 (Glp-2), which increases cerebral blood flow, on the hippocampal complex after cerebral ischemia/reperfusion (I/R) injury in rats. ... -
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. ... -
Dual curves associated with the Bonnet ruled surfaces
(World Scientific Publ Co Pte Ltd, 2020)An interest problem arises to determine the surfaces in the Euclidean three space, which admit at least one nontrivial isometry that preserves the principal curvatures. This leads to a class of surface known as a Bonnet ... -
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 ... -
The effect of carbonization temperature, carbonization time and impregnation ratio on the properties of activated carbon produced from Arundo donax
(Elsevier Science Bv, 2018)Activated carbons from Arundo donax were obtained by varying impregnation ratio, carbonization time, and carbonization temperature via chemical activation method. By operating impregnation ratio as 1.5 and carbonization ... -
Effect of light and dark on the growth and development of downy mildew pathogen Hyaloperonospora arabidopsidis
(Wiley, 2020)Disease development in plants requires a susceptible host, a virulent pathogen, and a favourable environment. Oomycete pathogens cause many important diseases and have evolved sophisticated molecular mechanisms to manipulate ... -
The effect of molar ratio on the photo-generated charge activity of ZnO-CdO composites
(Springer Heidelberg, 2020)The molar ratio of ZnO-CdO has an important effect on the photo-induced charge activities of the composite/n-Si structures. Thus, the relationship between the molar ratio of ZnO-CdO and the photo-induced charge generation ... -
Effect of substituents on the orientation of octasubstituted copper(II) phthalocyanine thin films
(Elsevier Science Sa, 2012)Octasubstituted copper(II) phthalocyanines containing alkylthio-, alkyloxy-, (trioxyethylene)thio- and (trioxyethylene)oxy- substituents in peripheral positions have been synthesized and characterized using UV-vis, IR, and ... -
The Effect on Antioxidant Defense System of Chondroitin-4-Sulphate in Human Erythrocytes Subject to High Glucose Levels: In The Laboratory Conditions
(2018)The purpose of this research was to evaluation the effects on antioxidant defensesystem of chondroitin-4-sulphate (C4S) in high glucose treated human erythrocytes. 10-20 ml venous blood samples from ten healthy volunteers ... -
The Effects of Different Grain Brans Used as Substrates on Resistance to Catabolite Repression in Solid-State Fermentation Process
(Chem Soc Pakistan, 2014)Production of alpha-amylase from Penicillium brevicompactum was investigated in solid-state fermentation (SSF) using as substrate wheat bran (WB), rye bran (RB) and barley bran (BB) enriched with different amount of glucose ... -
Effects of Emotion and Perspective on Remembering Events: An eye-Tracking Study
(2016-02-23)The main objective of this study is to investigate the effects of the emotional content of an event and participants’ perspective on the memory and eye-tracking measurements for central and peripheral de-tails. The data ... -
Effects of high-temperature AIN buffer on the microstructure of AlGaN/GaN HEMTs
(Pleiades Publishing Inc, 2013)Effects on AlGaN/GaN high-electron-mobility transistor structure of a high-temperature AlN buffer on sapphire substrate have been studied by high-resolution x-ray diffraction and atomic force microscopy techniques. The ... -
EFFICIENT DETERMINATION AND PESTICIDE CONTROL BY MEANS OF IMMOBILIZATION OF ACETYLCHOLINESTERASE
(Soc Chemists Technologists Madeconia, 2017)Supports involving tetrazole (o/m/p-F-Tet-1H) were prepared to detect pesticides. This novel tetrazole including fluorine in different positions was attached to nanoparticles (2AEPS-(o/m/p-F-Tet-1H)) by a condensation ... -
Electrical characteristics of Au/n-GaAs structures with thin and thick SiO2 dielectric layer
(Pleiades Publishing Inc, 2011)The aim of this study, to explain effects of the SiO2 insulator layer thickness on the electrical properties of Au/n-GaAs Shottky barrier diodes (SBDs). Thin (60 ) and thick (250 ) SiO2 insulator layers were deposited on ...
