Tür "article" Fen Edebiyat Fakültesi için listeleme
Toplam kayıt 1329, listelenen: 41-60
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Analysis of Phenol in Cigarette Filter Tar Using QuEChERS Sample Preparation and High-Performance Liquid Chromatography/UV Detection System
(Asian Journal Of Chemistry, 2013)QuEChERS sample preparation was used for determination of phenol in cigarette filter tar. The method involved extraction with acetonitrile followed by solid-phase extraction cleanup with XAD-4 sorbent and the analyse was ... -
Analysis of Thermal Environmental Effects on Precast, Prestressed Concrete Bridge Girders: Temperature Differentials and Thermal Deformations
(Multi-Science Publ Co Ltd, 2012)AASHTO specifications provide vertical thermal gradients for the thermal design of precast, prestressed concrete bridge girders. However, the thermal behavior of the girders pertains to not only vertical thermal movement ... -
Analyzing the attitudes of translation students towards cat (computer-aided translation) tools
(2018)Translation profession has witnessed some technological innovations in recent years. The triggering reason behindthese innovations has been the ever-increasing workload. Translation tools came to be seen as an aid to handle ... -
The antibacterial activity of hemolymph of spider, Agelena labyrinthica (Araneae: Agelenidae)
(2008)Antibiyotiklere dirençli mikroorganizmaların sayısı her geçen gün artığından dolayı, tarımda ve tıpta bu dirençli mikroorganizmalarla mücadele etmek için yeni ve etkili antimikrobiyal ajanlara ihtiyaç duyulmaktadır. ... -
Antibacterial activity of venom from funnel web spider Agelena labyrinthica (Araneae: Agelenidae)
(Bmc, 2008)Since the number of microorganisms that are resistant to antibiotics has been increasing steadily, the need for combating these pathogens requires new pharmaceutical agents. To produce these substances, new models have ... -
Antifungal effects of Clitocybe odora (Bull.: Fr.) kumm. against the plant pathogen Fusarium culmorum and Fusarium moniliforme
(2011)Bu çalışmada, Clitocybe odora aseptik şartlarda kurutuldu ve 12 saat süre ile çözgenler içinde bırakıldı. Ekstraktlar süzüldü ve evaporatör kullanarak 600C’de kurutuldu. Elde edilen kuru materyaller 40C’de muhafaza edildi. ... -
Antimicrobial activity of 4-subtituted-styrl-2-azetindinones
(2005)Bu çalışmada, daha önceden sentezleri yapılan 1-(substitutefenil)-4-(substiiuestril)-2-azetidinonlarin (3a-i) antimikrobiyal aktiviteleri incelenmiştir. Bütün bileşikler Gram () ve Gram (-) bakterilere ve mayaya karşı test ... -
Antimicrobial activity of endemic Crataegus tanacetifolia (Lam.) Pers and observation of the inhibition effect on bacterial cells
(Wiley, 2008)Up to now an increasing number of antibiotic-resistant bacteria have been reported and thus new natural therapeutic agents are needed in order to eradicate these pathogens. Through the discovery of plants such as Crataegus ... -
Antimicrobial activity of various extracts of Ocimum basilicum L. and observation of the inhibition effect on bacterial cells by use of scanning electron microscopy
(African Networks Ethnomedicines, 2008)The antimicrobial activities of chloroform, acetone and two different concentrations of methanol extracts of Ocimum basilicum L. were studied. These extracts were tested in vitro against 10 bacteria and 4 yeasts strains ... -
Antimicrobial activity of various extracts of Satureja hortensis L.
(2007)The antimicrobial activities of ethyl acetate and methanol extracts of Satureja hortensis L. were studied. These extracts were tested in vitro against 10 bacterial species, 4 yeasts species and strains by the disc diffusion ... -
Apoptotic and necrotic effects of carboxylated quercetin/polyethylenimine complex on HeLa cells
(Academic Journals, 2011)The effects of quercetin (Q), carboxylated quercetin (CQ) and carboxylated quercetin/polyethylenimine (CQ/PEI) complex on HeLa cell cultures were investigated. Firstly, carboxylated quercetin was acquired through hydroxyl ... -
Apoptotic and necrotic effects of plant extracts belonging to the genus Alchemilla L. species on HeLa cells in vitro
(Academic Journals, 2011)Apoptotic and necrotic effects of plant extracts belonging to the genus Alchemilla on HeLa cells were investigated. The ratio of viable cells was determined by cell counter. Double staining method for the determination of ... -
Application of NaOH treated Polyporus versicolor for removal of divalent ions of Group IIB elements from synthetic wastewater
(Elsevier Sci Ltd, 2002)Three different forms of Polyporus versicolor, i.e. alkali-pretreated, heat-inactivated and active, were used for the removal of the divalent ions of Group JIB elements from aquatic systems. The biosorption of Zn(II), ... -
An application of Ritt-Wu's zero decomposition algorithm to null Bertrand type curves in Minkowski 3-space
(Hacettepe Univ, Fac Sci, 2010)Bertrand curves were first studied using a computer by W. -T. Wu in (A mechanization method of geometry and its applications II. Curve pairs of Bertrand type, Kexue Tongbao 32, 585-588, 1987). The same problem was studied ... -
An application of Ritt-Wu's zero decomposition algorithm to the pseudo null Bertrand type curves in Minkowski 3-space
(Springer Heidelberg, 2011)The Bertrand curves were first studied using a computer by Wu (1987). The same problem was studied using an improved version of Ritt-Wu's decomposition algorithm by Chou and Gao (1993). This paper investigates the same ... -
Application of the H-N method to the critical slab problem for reflecting boundary conditions
(Pergamon-Elsevier Science Ltd, 2004)The recently developed H-N method is used to solve the critical slab problem for a slab which is surrounded by a reflector. In the special case: for R = 0 (the reflection coefficient) the problem reduces to the one under ... -
Application of well-defined ruthenium alkylidenes to the ROMP of norbornene derivatives: Methoxyphenyl-substituted polynorbornene dicarboximides
(Elsevier Science Bv, 2011)The applicability of ruthenium alkylidenes as initiators in the ring opening metathesis polymerization (ROMP) of methoxyphenyl group containing norbornene derivatives has been investigated. The synthesis and polymerization ... -
Applications of (p,q)-gamma function to Szász Durrmeyer operators
(Publications L Institut Mathematique Matematicki, 2017)We define a (p, q) analogue of Gamma function. As an application, we propose (p, q)-Szasz-Durrmeyer operators, estimate moments and establish some direct results. -
Applications of the zero-order reaction rate model and transition state theory on the intra-particle sintering of an alumina powder by using surface area measurements
(Elsevier Science Sa, 2007)The cylindrical compacts with the diameter of 14mm were prepared under 32MPa of an alumina powder having agglomeration degree of 80% and maximum surface area of 81 m(2) g(-1) after calcination at 900 degrees C for 2 h. ... -
Approximation by (p, q)-Baskakov-Durrmeyer-Stancu Operators
(Springer Basel Ag, 2018)The present paper deals with the Stancu-type generalization of (p, q)-Baskakov-Durrmeyer operators. We investigate local approximation, weighted approximation properties of new operators and present the rate of convergence ...