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Now showing items 1-20 of 5993
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Synthesis of 4-Amino-4,5-dihydro-1H-1,2,4-triazole-5-ones and their Isatin-3-imine Derivatives
(MDPI, ST ALBAN-ANLAGE 66, 2005)Iminoester hidroklorürler 1 sentezlenmiştir. Bu bileşikler daha sonra ester etoksikarbonil hidrazonlar 2'ye dönüştürüldü ve bunlardan sırasıyla yeni bir ikame edilmiş 4-amino-4,5-dihidro-lH-1,2,4-triazol-5-onlar, 3 serisi ... -
A study on recent variations in the population structure of European anchovy (Engraulis encrasicolus L., 1758) in the Southern Black Sea
(2006)Güney Karadeniz’deki hamsi (Engraulis encrasicolus L., 1758) populasyon yapısındaki son değişiklikler üzerine bir çalışma. Bu araştırma Karadeniz’in Güneyindeki Türkiye Sinop sahilinde 2000-2003 yılları arasında hamsi ... -
Carriage of mobilizable plasmid-mediated ?-lactamase gene in ampicillin-resistant Escherichia coli strains with origin of normal fecal flora
(0-Belirlenecek, 2006)Aim: The aim of this study was to investigate the carriage of ?-lactamase genes in ampicillin-resistant (Ampr) Escherichia coli (E. coli) isolates from human normal fecal flora. Methods: Ten Amp r E. coli strains isolated ... -
Synthesis, crystal structure and spectroscopic studies of a mixed ligand copper (II) complex: trans-bis(succinimidato)-bis(benzylamino)Cu(II)
(Verlag der Zeitschrift fur Naturforschung, 2006)The molecules of the title compound, [Cu(C11H13N 2O2)2], lie across centres of inversion in space group P21/c and are linked by intermolecular N-H?O and C-H?O hydrogen bonds. The central Cu atom has a slightly distorted ... -
Synthesis and properties of triazol-5-one substituted phthalocyanines by microwave irradiation
(0-Belirlenecek, 2006)Triazol-5-one substituted phthalocyanines were prepared quickly by the reaction of 4-nitrophthalonitrile with anhydrous metal salts in DBU (1,8-diazabicyclo[5,4,0]undec-7-ene) and DMAE (dimethylaminoethanol) by microwave ... -
N-H?N and C-H?? interactions in 4-amino-3-methyl-5-(p- tolyl)-4H-1,2,4-triazole and 4-amino-3-methyl-5-phenyl-4H-1,2,4-triazole
(0-Belirlenecek, 2006)The title compounds, C10H12N4, (I), and C9H10N4, (II), have been synthesized and characterized both spectroscopically and structurally. The dihedral angles between the triazole and benzene ring planes are 26.59 (9) and ... -
A research on the sensitivity of European chub to some pesticides
(0-Belirlenecek, 2006)The aim of this study was to investigate the sensitivity of European chub (Leuciscus cephalus, Linnaeus, 1758), a natural freshwater fish species, to a synthetic pyrethroid (deltamethrin), a carbamate insecticide (carbaryl), ... -
İcmâın senedi ve İbnü'l-Münzir'in el-icmâ adlı eserinde ibadetlerle ilgili zikredilen icmâaların sened açısından tespiti
(Rize Üniversitesi / Sosyal Bilimler Enstitüsü / Temel İslam Bilimleri Anabilim Dalı, 2007)İcmâın Senedi ve İbnü'l-Münzir'in el-İcmâ AdlıEserinde İbadetlerle İlgili Zikredilen İcmâların Sened Açısından Tespiti? isimli tezimiz ?Sonuç? bölümü hariç üç bölüm ve bir ?Giriş? kısmından oluşmaktadır. Girişkısmında icmâ ... -
Din ve Ahlak Eğitiminde Hikayenin Kullanımı
(Rize Üniversitesi / Sosyal Bilimler Enstitüsü / Felsefe ve Din Bilimleri Anabilim Dalı, 2007)Din Egitiminde Hikâyenin Kullanımı? baslıgını tasıyan bu çalısma `Giris' ve `Sonuç' bölümleri hariç, iki ana bölümden olusmaktadır. Giris bölümünde, arastırmanın problemi, amaç ve önemi, yöntemi, yararlanılan belli baslı ... -
Preparation of bentonite-cysteine (Bent-Cys) Micro-composite affinity sorbents for ferritin adsorption
(2007)his study focused on developing bentonite-cysteine micro-composite «affinity sorbents (Bent-Cys) (38-105 |am) for Ferritin adsorption from aqueous solutions. The pseudo-specific affinity ligand L-cysteine was immobilized ... -
Levrek'lerde (Dicentrarchus labrax L., 1758) sağaltım sonrası oksitetrasiklinin kas ve derideki rezidüsünün belirlenmesi
(2007)Denizde ağ kafeslerde tutulan doğal yolla Listonella angullarium ile enfekte levrek (Dicentrarchus labrax L., 1758) balıklarının kas ve derilerinde oksitetrasiklin HCl residüsü belirlendi. Balıklar canlı ağırlık hesabı ile ... -
Seasonal variation in length, weight, and sex distribution of turbot (Scophthalmus maeoticus pallas, 1811) in the sinop region (Black Sea) of Turkey
(2007)Sinop bölgesinde kalkan solungaç ağlarıyla avlanan kalkan balıklarının, boy, ağırlık ve cinsiyet dağılımı mevsimlere göre incelenmiştir. Erkek ve dişi kalkan balıklarının boyları 23,9-69 cm ve 31,8-81 cm arasında değişmiştir. ... -
Microwave-assisted synthesis and characterization and theoretical calculations of the first example of free and metallophthalocyanines from salen type Schiff base derivative bearing thiophen and triazole heterocyclic rings
(0-Belirlenecek, 2007)Novel metal-free and metallophthalocyanine complexes of Co, Ni, Cu, and Zn have been synthesized by exposure to microwave irradiation and reflux conditions and the products purified by several techniques. The newly prepared ... -
Synthesis of some N-alkoxycarbonyl-N?-benzoyl-benzamidrazones(p- toluamidrazones) and 1,3,5-trisubstituted 1,2,4-triazole derivatives from N-benzoylimidates and their antimicrobial and anticancer screening studies
(0-Belirlenecek, 2007)Some new N-alkoxycarbonyl-N?-benzoyl-benzamidrazones (p-toluamidrazones) 3a-3d, and 1,3,5-trisubstituted 1,2,4-triazole 4a-4h derivatives by starting from N-benzoylbenzimidates or N-benzoyl-p-toluimidates. The structures ... -
Determination of radioactivity levels and hazards of soil and sediment samples in Fi{dotless}rti{dotless}na Valley (Rize, Turkey)
(0-Belirlenecek, 2007)The natural radioactivity levels in soil and sediment samples of Fi{dotless}rti{dotless}na Valley have been determined. To our knowledge, there seems to be no information about radioactivity level in the Fi{dotless}rti{dotless}na ... -
Microwave-assisted and conventional synthesis of new phthalocyanines containing 4-(p-fluorophenyl)-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one moieties
(0-Belirlenecek, 2007)New metal-free and metal (Zn, Ni, Cu and Co) phthalocyanines containing 4-(p-fluorophenyl)-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one moiety have been prepared from 1-(3,4-dicyanophenyl)-4-(p-fluorophenyl)-3-methyl-4,5- ... -
Ag diffusion in ZnS thin films prepared by spray pyrolysis
(0-Belirlenecek, 2007)ZnS thin films were deposited by spray pyrolysis method on glass substrates. Diffusion of Ag in ZnS thin films was performed in the temperature range 80-400 °C under a nitrogen atmosphere. The diffusion of Ag is determined ... -
Seasonal variation in plant biomass in a salt marsh community in northern Yurkey
(0-Belirlenecek, 2007)Seasonal pattern in above- and belowground live and dead biomass in a salt marsh community was investigated. Multiple peaks were observed in terms of all biomass types. Maximum aboveground live and dead biomass was observed ... -
Disease of rainbow trout caused by Pseudomonas luteola
(0-Belirlenecek, 2007)Bacteria isolated from rainbow trout, Oncorhynchus mykiss, kept in a farm, in Turkey. During the outbreak, 40% of the rainbow trout (10-40 g) died. Typical clinical signs were exophthalmia, dark pigmentation, hemorrhage ... -
Genetic diversity of gilthead seabream (sparus aurata) broodstocks as determined by RAPD-PCR
(0-Belirlenecek, 2007)The objective of this study was to determine the genetic diversity in gilthead seabream broodstocks from two hatcheries on the northern Aegean Coast of Turkey by RAPD-PCR. Forty primers were tested for each broodstock. ...
