Güncel Gönderiler: DSpac@Bayburt: Bayburt University Institutional Repository
Toplam kayıt 1109, listelenen: 1021-1040
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Solid phase extraction of Cd(ii) and pb(ii) ions by a new carbothioamide derivative
(Sociedad Chilena de Quimica, 2013)An effective, simple, low cost and accurate sorption-spectrophotometric platform for the extractions and subsequent quantifications of Cd(II) and Pb(II) ions in food and environmental samples has been described in this ... -
Changes in carbonic anhydrase activity and gene expression of Hsp70 in rainbow trout (Oncorhynchus mykiss) muscle after exposure to some metals
(2012)The effects of some heavy metals Co(II), Cu(II), Zn(II), and Ag(I) on carbonic anhydrase (CA) activity from rainbow trout (RT) muscle were investigated. Moreover, the effects of these metals on the expression of heat shock ... -
Nonlinear analysis of structures by Total Potential Optimization using Metaheuristic Algorithms (TPO/MA)
(Universiteit Twente, 2013)Structural analysis problems can be formulized as either root finding problems, or optimization problems. The general practice is to choose the first option directly or to convert the second option again to a root finding ... -
Multi-criteria decision making methods based weighted SERVQUAL scales to measure perceived service quality in hospitals: A case study from Turkey
(2012)The main objectives of this study are to: (i) measure hospital service quality by using analytic hierarchy process (AHP) and analytic network process (ANP) as a multi-criteria decision making method to acquire the relationship ... -
Energetic and exergetic comparison of air to air and air to water heat pumps according to evaporator conditions
(Universiti Malaysia Pahang, 2013)This paper presents an experimental energetic and exergetic comparison for a heat pump system that can be run in different modes as air to air and air to water. Components of the heat pump do not change when the running ... -
Adsorption of phenol from aqueous solution on a low-cost activated carbon produced from tea industry waste: Equilibrium, kinetic, and thermodynamic study
(American Chemical Society, 2012)The ability of activated carbon which was produced by chemical activation using zinc chloride from tea industry wastes (TIWAC) to adsorb phenol molecules from aqueous solution was tested by equilibrium, kinetic, and ... -
The relation of collector and storage tank size in solar heating systems
(2012)The most popular method to benefit from the solar energy is to use solar water heating systems since it is one of the cheapest way to benefit from the solar energy. The investment cost of a solar water heating system is ... -
Forced convective two phase flow analysis in a circular tube equipped with twisted tapes
(2012)In forced convection boiling systems, it is important to know the dynamic behavior for understanding and predicting the local and global stability of the system. Besides this, the instability phenomenon in the industrial ... -
Investigation of anti-oxidative and anti-genotoxic effects of Origanum vulgare L. essential oil on human lymphocytes in vitro
(2012)Origanum vulgare L. (Lamiaceae) is a flavoring herb widely using around the world. Some preparations and extracts from O. vulgare have been used in Turkish traditional medicine to treat several ailments including digestive ... -
The role of cogeneration systems in sustainability of energy
(2012)Cogeneration system (CHP) is one of the ways to save the energy and use the energy efficiently. When compared to separate fossil-fired generation of heat and electricity, CHP may result in a consistent energy conservation ... -
Biosorption of CR (VI) onto pseudevernia furfuracea /aqueous solution interface
(2012)This study addresses the removal of a heavy metal, Cr (VI), from aqueous solutions by using dried Psedeuvernia furforcea biomass as biosorbent. The effects of factors, such as the initial chromium concentration, contact ... -
Reflection and refraction of a harmonic SH wave at the interface of two dissimilar media with microheterogeneity
(2012)Reflection and refraction of harmonic SH-waves from the interface of two dissimilar media with microheterogeneity is studied. The effect of the microheterogeneity on the overall behavior of the media is taken into account ... -
Determination of the effect of volcanic pumice replacement on macro void development for blended cement mortars by computerized tomography
(2012)In this study, the effect of volcanic pumice replacements with different ratios on the macro void development was observed using CT for a period of 100 days. The cured mortar specimens were imaged by X-ray CT on different ... -
Optimization of process parameters for removal of Cr(VI) by Hypnum cupressiforme using response surface methodology (RSM)
(2012)Response surface methodology was applied to optimize the removal of chromium ion by Hypnum cupressiforme from an aqueous solution. Experiments were analyzed using response surface methodology (RSM). The biosorption process ... -
The impact of heavy metals on the activity of carbonic anhydrase from rainbow trout (Oncorhynchus mykiss) kidney
(2012)Many environmental and health problems have become a consequence of contamination of soil and water by toxic heavy metals and organic pollutants in the present age of technology. Heavy metals play vital roles in enzyme ... -
Effect of ultrasound treatment on steady and dynamic shear properties of glucomannan based salep dispersions: Optimization of amplitude level, sonication time and temperature using response surface methodology
(2012)The present study investigated effect of different amplitude levels (40, 70 and 100%), sonication temperatures (40, 50 and 60 °C) and exposure times (3, 7 and 11 min) on steady shear properties; apparent viscosity (?), ... -
Effect of magnetic flux distribution and magnetic powder addition on the magnetic levitation force of Sm123 superconductors
(2012)Sm123 and Sm211 were prepared by melt-powder-melt-growth and solid-state-reaction techniques, respectively, to have the nominal composition of (Sm123) 0.75 (Sm211) 0.25. After the preparation of this composition, the Fe-B ... -
A nondestructive testing technique: Nail penetration test
(2012)This study presents a practical nondestructive testing (NDT) method: the nail penetration test (NPT). The major tools of the test technique are a gas nailer with 130 J (95.88 ft-lbf) power, concrete nails, and a gas nailer ... -
The prediction of heat transfer and fluid characteristics for equilateral triangular bodies in tandem arrangement by artificial neural networks
(2012)The objective of this study is to investigate the effect of the spacing between equilateral dual triangular bodies symmetrically placed into the channel axis under steady state conditions on heat transfer and fluid ... -
Real time voice recognition based smart home application [Gerçek zamanli ses tanima tabanli akilli ev uygulamasi]
(2012)By the improvement of the technology, the applications used for simplifying the daily life create an important work area day after day. In this study, an equipment control component that could be used as intelligence home ...
