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Found: 98 Piece 0.003 sn
Publication year : 2019 ✕Databases : Web of Science Core ... ✕
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Activated carbon obtained from the cotton processing wastes

Külümkan SARTOVA | Emil ÖMÜRZAK | Bakıt BORKOYEV

Activated carbon (AC) was obtained from the cotton (Gossypium malvaceae) processing waste materials. The process was carried out by carbonization at 500–800 °C and subsequent activation at 800 °C by water stream. Cotton biomass is a renewable, low-cost alternative source for textile and food products; however, it hasn't been used for manufacturing of an activated carbon by carbonization in a boiling layer method. Characterization of adsorbents by means of Scanning Electronic Microscope and FT-IR showed that high porosity of carbonized products which was achieved and functional groups were form ...More

Article 2019 Mühendislik Fakültesi Diamond and Related Materials91 180 Views
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Molecular Survey of Hepatozoonosis in Natural Infected Dogs: First Detection and Molecular Characterisation of Hepatozoon canis in Kyrgyzstan

Ayperi Aytmırza Kızı | Zarima CUMAKANOVA | Ayday CUNUŞOVA

Canine hepatozoonosis is a tick-borne protozoan disease and widespread in Europe, Africa, Asia and America. There is not any available data about the presence of Hepatozoon infections in dogs in Kyrgyzstan. In the study we aimed that investigate the presence of Hepatozoon canis and the prevalance of Hepatozoon infections in dogs from Kyrgyzstan using polymerase chain reaction (PCR) and sequence analysis. To determine the prevelance of hepatozoonosis in dogs, a total of 170 blood samples were applied to PCR to amplify a fragment of 666 bp found in 185 SSU rRNA gene of Hepatozoon spp. The PCR re ...More

Article 2019 Veteriner Fakültesi Kafkas Üniversitesi Veteriner Fakültesi Dergisi25 ( 1 ) 60 Views
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Preparation of molecularly imprinted PDMS elastomer for selective detection of folic acid in orange juice

Nahit AKTAŞ

Herein, it is reported an effective method to prepare novel molecularly imprinted polymers (MIP) on poly(dimethylsiloxane) (PDMS) elastomer via a combination of non-covalent imprinting approach and surface initiated reversible addition fragmentation chain transfer (SI-RAFT) polymerization for sensitive and selective detection of folic acid (FA). For this purpose, 2-(2-Methoxyethoxy) ethyl methacrylate (MEOMA), ethylene glycol dimethacrylate (EGDMA), azobisisobutyronitrile (AIBN), FA and dimethylsulfoxide (DMSO) were used as functional monomer, cross-linker, initiator, template molecule, and po ...More

Article 2019 Mühendislik Fakültesi Applied Surface Science471 ( 31 ) 123 Views
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A Research On The Vegetation Structures Of The Rangelands Of District Tufanbeyli, Adana = Adana İli Tufanbeyli İlçesi Meralarının Vejetasyon Yapısı Üzerine Bir Araştırma

Selahattin ÇINAR

This research was conducted to determine vegetation structures of the upland rangelands in the five villages of Tufanbeyli district, Adana, in 2010. Vegetations of the rangelands were studied by the loop method. In the study, plant cover percentages, botanical compositions based on the cover percentage in the plant covered area, range quality values and range conditions of the rangelands studied were determined. Average percentages of grasses, legumes and other family plants in the total plant cover were determined as 36.9 %, 22.0 % and 41.1 %, respectively. It was determined that the averaged ...More

Article 2019 Ziraat Fakültesi KSU Tarım ve Doğa Dergisi - KSU Journal of Agriculture and Nature22 ( 1 ) 149 Views
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Heavy Metal Levels and Mineral Nutrient Status of Natural Walnut (Juglans regia L.) Populations in Kyrgyzstan: Nutritional Values of Kernels

Bakıt BORKOYEV | Kalıypa SALİYEVA | Ali Osman SOLAK | İbrahim İlker ÖZYİĞİT

In this study, mineral nutrient and heavy metal (Al, Ca, Cd, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, and Zn) contents of the walnut kernels and their co-located soil samples collected from the four different zones of natural walnut forests (Sary-Chelek, Arslanbap, and Kara-Alma in Jalal-Abad Region and Kara-Shoro in Osh Region) in Kyrgyzstan were investigated. The highest concentrations for all elements determined in the soil samples were observed in the Sary-Chelek zone whereas the Arslanbap zone was found to be having the lowest concentrations except Fe and Zn. The highest concentrations in the kerne ...More

Article 2019 Mühendislik Fakültesi Biological Trace Element Research189 ( 1 ) 142 Views
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Ultrafilter-completeness on zero-sets of uniformly continuous functions

Asılbek ÇEKEEV

The various types of ultrafilter-completeness on zero-sets of uniformly continuous functions are introduced, their properties are studied and characterizations in the category are given.

Proceedings Paper 2019 Fen Fakültesi Topology and its Applications252 111 Views
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Effects of three aging methods on the Longissimus lumborum muscle from Holstein-Friesian steers

Ümit GÜRBÜZ

The aim of this study was to investigate the effects of three aging processes (traditional dry aging, wet aging in vacuum shrink pack and dry aging in a highly moisture-permeable bag) in five aging times (0, 7, 14, 21, 28 days) for their effects on physical, chemical, microbial, histological, textural and sensory properties of beef Longissimus lumborum muscle from Holstein-Friesian steers. Longissimus lumborum muscles were aged dry (D), in a dry-aging bag (B) and a vacuum shrink pack (V) for 28 days at 0.5 degrees C +/- 0.5 with 80% humidity. An increase was observed in pH and TEARS values of ...More

Article 2019 Veteriner Fakültesi Medycyna Weterynaryjna - Veterinary Medicine - Science & Practice75 ( 3 ) 85 Views
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EVALUATION OF ALUMINUM STRESS INDUCED ANTIBACTERIAL AND ANTIFUNGAL ACTIVITIES IN ROMAN NETTLE

İbrahim İlker ÖZYİĞİT

In this current work, Roman nettle (Urtica pilulifera L.), a traditional medicinal plant that is very common and widespread species throughout Asia, Europe, and Northern Africa, was used as a model plant to investigate changes in antimicrobial activity following the application of aluminum stress. U pilulifera seedlings were grown in growth-room conditions and 0, 100, and 200 M AlCl3 were applied to the plants together with Hoagland solution (20 ml) for two months. The antimicrobial activities were tested against nine strains of bacteria (Salmonella sp., Staphyllococcus aureus, Escherichia col ...More

Article 2019 Fen Fakültesi Fresenius Environmental Bulletin28 ( 2A ) 63 Views
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ECOPHYSIOLOGICAL PROPERTIES OF TURKISH ENDEMIC CENTAUREA CONSANGUINEA DC

İbrahim İlker ÖZYİĞİT

This physiological and ecological study was performed on Centaurea consanguinea DC. to acquire information about certain characteristics (bioclimatic, edaphic, topographic, biotic etc.) of its habitat and distribution in Turkey, determine the requirements for germination, explore the soil-plant relations and obtain data on certain aspects of its population biology. Plant and co-located soil samples were collected from Amasya and Havza District (Samsun) in Turkey using standard methods. Various analyzes were employed for determining of physical, chemical and biological properties of the plant s ...More

Article 2019 Fen Fakültesi Fresenius Environmental Bulletin28 ( 2A ) 48 Views
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The investigation of the use of plant-based wild mustard and boron doped oil as engine lubrication oil in diesel engines

Hüseyin ÖĞÜT

In internal combustion engines, mineral engine oils which serve as lubricants between parts are not used alone due to technical reasons and various additives are made use of for better lubrication. In these additives, liquid boron serves to reduce friction. To reduce the environmental damage caused by engine lubrication oils, it is necessary to improve the properties of biological oils so that they can be used and compete with mineral oils technically. In the study, the use of liquid boron as an engine lubrication oil additive, together with wild mustard oil methyl ester, was investigated. Two ...More

Article 2019 Meslek Yüksekokulu Renewable Energy136 96 Views
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Uniform and Pointwise Estimates for Algebraic Polynomials in Regions with Interior and Exterior Zero Angles

Fahreddin ABDULLAYEV

In this study, we give some estimates on the Nikolskii-type inequalities for complex algebraic polynomials in regions with piecewise smooth curves having exterior and interior zero angles.

Proceedings Paper 2019 Fen Fakültesi Filomat33 ( 2 ) 105 Views
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The uniform and pointwise estimates for polynomials on the weighted Lebesgue spaces in the general regions of complex plane

Fahreddin ABDULLAYEV

The estimation of the modulus of algebraic polynomials on the boundary contour with weight function, having some singularities, with respect to the their quasinorm, on the weighted Lebesgue space was studied in this current work.

Article 2019 Fen Fakültesi Hacettepe Journal of Mathematics and Statistics48 ( 1 ) 63 Views
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