Browsing Trakya University Journal of Natural Sciences by Issue Date
Now showing items 1-20 of 166
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Hazelnut seed lipase: extraction, purificatıon, and characterization
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)Interest in lipases has markedly increased to their potential industrial applications. The most of lipases produced commercially are obtained from animal and microbial sources. Nowadays, also obtained from plant seeds such ... -
Heteroceran (lepidoptera) fauna of western Black Sea Region
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)This study was carried out in 2001-2004 in Western Black Sea Region in order to determine Heterocera (Lepidoptera) fauna and to contribute to the distributional data of species. The study material obtained from 50 different ... -
Some physicochemical properties of octylphenol ethoxylate nonionics (triton x-100, triton x-114 and triton x-405) and the temperature effect on this properties
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)Surface tensions and condutvities of aqueous solutions of nonionic surfactants at various concentrations were measured at diffferent temperatures. The critical micelle concentration (CMC) of aqueous solutions of three ... -
Contributions to distribution of Turkish freshwater isopods (crustacea: isopoda)
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)This study was carried out to contribute to distribution of freshwater isopods in Marmara Region (including Gökçeada and Bozcaada islands) of Turkey. For this aim, it was evaluated the material which was sampled during the ... -
Anatomical and caryologıcal investigatıons on in vitro sunflower (helianthus annuus l.) plants preserved at low temprature
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)In this study, plants derived from Helianthus annuus L. (sunflower) seeds by using the embryo culture method were studied to preserve them at low temprature and to determine the anatomical and karyological changes. The ... -
Anti-throid effects of pufas (polyunsaturated fats) and herbs
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2012)Çoklu doymamış yağ asitleri (PUFA), troit uyarımını baskılar. PUFA’lar troit hormonu seviyelerini baskılayarak şişmanlığa neden olur. Baskılanan troid metabolizmayı yavaşlatır. Aşırı PUFA diyeti kilo alımına neden olur. ... -
The salt-tolerant rice selection suıtable for saline waste waterirrigation in Ergene Basin
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)The aim of this study is to use morphological and physiological parameters to select both salt tolerant and high yielding rice cultivars convenient for growth in the salinity conditions of the Ergene Basin. Accordingly, ... -
Development of spectrophotometric determination method of gold by oxidative coupling
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)In this study, m- and p-phenylenediamine’s reactions which were in the presence of Cu(II) and Au(III) ions were investigated using spectrophotometric and potentiometric method. The results of the reactions between Cu(II) ... -
A preliminary study aimed the determined of larval chironomidae(diptera) fauna in Avsa (Turkeli) and Pasalimanı islands
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)A field study has been carried out on the areas including streams and stagnant waters in Avsa Island on 21.08.10 a nd on t he ones in Pasalimani Island on 22 -23.08.10. In this study, samples of mud have been collected ... -
The phytoplankton composition of Kadikoy dam lake (Keşan-Edirne)
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)This study was carried out between June 2011 and May 2012 at different depths of three stations in Kadıköy Dam Lake in the Turkish Thrace. A total of seventyfour phytoplanktonic algal taxa belonging to Chlorophyta, Ochrophyta ... -
Conservation status and current distribution of endemic and extinction-prone bellevalia edirnensis özhatay & mathew (asparagaceae)
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)Bu çalışmada, endemik ve tehlike altında olan Bellevalia edirnensis’in mevcut yayılışı, popülasyonlarının son durumu ve habitatını tehdit eden unsurlar araştırılmıştır. Elde edilen bulgular doğrultusunda CR kategorisindeki ... -
Productive potential of Bulgarian and Turkish varieties and lines of barley in the conditions of Southeast Bulgaria
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)The study was conducted in 2006-2009 in the experimental field of the Institute of Agriculture, Karnobat. The aim was to identify the productive capacity of the feed barley varieties and advanced lines. The results show ... -
Irrigation and liming as factors of maize yield increases in Eastern Croatia
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)Maize is the main field crop on arable lands in Croatia. Climatic changes, particularly temperature regime and precipitation quantities and their distribution during growing season had often adverse effects on maize yield. ... -
Possible hydrographic effects of climate change on lower part of transboundary Meriç River basın (Turkey)
(Trakya Üniversitesi Eğitim Fakültesi, 2013)Meriç (Maritsa, Evros) River is not only a transboundary river but also a border river among Turkey, Bulgaria and Greece. 65% of its catchment area is within the borders of Bulgaria. A portion of the lower part of Meriç ... -
Ternary complex formation of isoniazid wıth some transition metals and amino acids
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)In this article mixed ligand complex formation equilibria of copper(II) and zinc(II) with isoniazid and two amino acids have been determined by potentiometric titration method, involving the use of Irving Rossotti procedure. ... -
Detection of corn and sunflower oil adulterations of olive oils using fluorescence spectroscopy
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)A novel approach for the detection of admixtures of vegetable (corn and sunflower) oils in commercially available olive oils on a qualitative level is presented. Chemical analysis of the contents of fatty acids in each of ... -
Asma ıslahında poliploidi çalışmaları
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)Dünyada çekirdeksiz üzüm çeşitleri tüketiciler tarafından daha fazla tercih edilmektedir. Islah çalışmalarında çekirdek-sizliğin iki ana kaynağı vardır. Bunlar stenospermokarpi ve partenokarpidir. Çekirdeksiz üzümlerin en ... -
Türkiye florasına ait silene l. cinsinin tehlike kategorileri ve bulunan yeni türleri
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)Türkiye 3 farklı flora bölgesine sahip olduğundan dolayı zengin bitki çeşitliliğine sahiptir. Bu zenginlik içinde tıbbi ve aromatik bitki türlerinin de ayrı önemi vardır. Bu bitkilerden biri de Silene L.’dir. Bu çalışmada ... -
The catalyst from the ground: Montmorillonite
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2013)Due to excessive contamination of the environment the environmentally friendly catalysts have gained importance. Montmorillonite that is abundant and cheap is an important candidate as catalyst. It can be used as catalyst ... -
Main trends in oat (Avena Sativa l.) breeding at the institute of agriculture in karnobat, Bulgaria. ı. winter oats
(Trakya Üniversitesi Fen Bilimleri Enstitüsü, 2014)In the 1980s, under the influence of the worldwide breeding achievements, the Institute of Agriculture in Каrnobat launched its program for breeding new oat varieties. 80 % of the breeding program included winter oats, and ...