Güncel Gönderiler: Meslek Yüksek Okulları
Toplam kayıt 519, listelenen: 161-180
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PCR detection of Mycobacterium genavense DNA in fecal samples of caged birds
(Ankara Univ Press, 2020)In this study, pathogenic mycobacteria were investigated in fecal samples of caged birds by PCR. A total of 47 feces samples collected from 4 different aviaries in Ankara. DNA extraction from fecal samples was performed ... -
Determination of secondary metabolites of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare by LC-MS/MS
(ACG Publications, 2020)Secondary metabolites of solvent extracts of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare were determined using liquid chromatography-mass spectrometry (LC-MS/MS). Curcumin was used as an internal standard. ... -
Antibiotic susceptibility and phylogenetic analyses for the origins and serotypes of Listeria monocytogenes strains isolated from ice cream and cream cakes
(Scientific Technical Research Council Turkey-Tubitak, 2020)Listeria monocytogenes is a zoonotic bacterium which also infects humans. The aim of this study was to isolate this organism from cream cakes and ice cream and obtain 16S rRNA and hlyA gene sequences from isolates in order ... -
The relationship between renewable energy consumption and trade openness: New evidence from emerging economies
(Pergamon-Elsevier Science Ltd, 2020)In this study, the relationship between trade openness, renewable and non-renewable energy consumption for "Top Emerging Countries of Bloomberg" in 1980-2015 period is investigated. The long-run relationship between panels ... -
Application of soft computing methods in predicting uniaxial compressive strength of the volcanic rocks with different weathering degree
(Springer Heidelberg, 2020)Uniaxial compressive strength (UCS) of rock material is very important parameter for rock engineering applications such as rock mass classification, numerical modelling bearing capacity, mechanical excavation, slope stability ... -
The phenolic contents, antioxidant and anticholinesterase activity of section Amaracus (Gled.) Vogel and Anatolicon Ietsw. of Origanum L. species
(Elsevier, 2020)Origanum boissieri Ietsw., O. saccatum P.H.Davis, O. solymicum P.H.Davis and O. ayliniae Dirmenci & T.Yazici belonging to sect. Amaracus (Gled.) Vogel, O. sipyleum L. and O. hypericifolium O.Schwarz & P.H.Davis belonging ... -
Synthesis, molecular structure, DFT calculations and biological activity of acetoxy linearol
(Springer, 2020)Acetoxy linearol (ent-3 beta,7 alpha,18-triacetoxykaur-16-ene), a natural compound was synthesized from linearol isolated from endemic Sideritis species and structurally characterized using diverse spectroscopic techniques ... -
Factors affecting the species of Campylobacter colonizing chickens reared for meat
(Wiley, 2020)Aim To investigate factors influencing Campylobacter spp. colonization of broiler chickens. Methods and Results Campylobacters were isolated from caeca from 319 flocks of two different breeds (199 Cobb and 120 Hubbard), ... -
Phthalates levels in olive oils and olive pomace oils marketed in Turkey
(Taylor and Francis Ltd, 2020)Phthalates are used as additives and plasticisers in packaging for personal care and food products. Several investigations reported the harmful impact of phthalates on human health. In this study, different types of olive ... -
Pulse induction metal detector: A performance application
(IEEE-Inst Electrical Electronics Engineers Inc, 2020)Currently, metal detectors are actively used in the detection of treasures, underground cavities, historical artifacts, lost manhole covers and land mines, as well as firearms and other weapons for public security purposes. ... -
The determination of buried magnetic material from various heights: A neural network application
(IEEE-Inst Electrical Electronics Engineers Inc, 2020)This article aims at determining the anomalies created by buried magnetic materials on the horizontal component of earth's magnetic field through the KMZ51 anisotropic magnetoresistive sensor (AMR) series and determining ... -
Studies to ıncrease barrel exit velocity for four-stage coil-gun
(IEEE-Inst Electrical Electronics Engineers Inc, 2020)The operating principle for electromagnetic launchers (EMLs) is based on electromagnetic theory. The process in EMLs involves the creation of a varying or moving strong electromagnetic field, and ensuring movement of the ... -
The effect of different environmental condition on flexural strength and fatigue behavior of e-glass/epoxy composites
(Springer, 2020)The composite materials exposed to dynamic loads may suffer damage at strength value, which is under own yield strengths. Also, improper environmental conditions accelerate the damage process. In this study, the effect of ... -
Synthesis, structural characterization, spectroscopic properties, and theoretical investigation of siderol acetate
(Maik Nauka, 2019)In the present study, siderol acetate (1) was synthesized from siderol isolated from endemic Sideritis species, then its chemical structure was determined by using various spectroscopic methods (FT-IR, H-1 NMR, and C-13 ... -
Micromorphological and anatomical investigation on six species of Onosma L. (Boraginaceae) from Turkey
(Bangladesh Assoc Plant Taxonomists, 2019)Micromorphology and anatomy of six Onosma L. species, viz. O. argentata Hub.Mor., O. neglecta Riedl, O. proballanthera Rech. f, O. rechingeri Riedl, O. sericea Willd. and O. stenoloba Hausskn. ex Riedl from Turky were ... -
Investigation of rational bubbles and volatility spillovers in commodity markets: Evidences from precious metals
(Mehmet Akif Ersoy Univ, 2019)Price bubbles which can be expressed as the deviation of the price of an asset from its fundamental value, have significant impacts on markets. The effects of the financial crisis that started with the burst of the housing ... -
Design and optimization of delphi-based electromagnetic coilgun
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)In classical gun and satellite launching systems, noise, flame, and hazardous gasses occur during the explosion of gunpowder, and it is possible to change the muzzle velocity of projectile only during the production phase. ... -
An application of BRANN and MFL methods: Determining crack type and physical properties on M5 steel sheets
(Elsevier Sci Ltd, 2019)Magnetic flux leakage (MFL) method is used frequently in researches on cracks on ferromagnetic materials. Recent studies on this method focused on the improvement of low power consumption and sensor sensitivity. Generally, ... -
Multi sub-coil flux pipe couplers and their use in a misalignment-adaptive wireless power transfer system
(Taylor & Francis LTD, 2019)Flux pipe couplers are compact coils used in wireless power transfer (WPT) applications. The first part of this paper investigates the effect number of sub-coils on the magnetic characteristics. Flux pipe couplers with ... -
Zeta potential of teflon in presence of monovalent and divalent ions
(Oficyna Wydawnicza Politechniki Wroclawskiej, 2019)In this study, the specific effects of Na+ and Ca2+ ions on natural hydrophobic Teflon particles and flat Teflon surfaces were investigated using zeta potential and contact angle measurements, respectively. The zeta potential ...
