Yayın tarihi için listeleme
Toplam kayıt 9936, listelenen: 1-20
-
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 ... -
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
(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
(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), ... -
Carriage of mobilizable plasmid-mediated ?-lactamase gene in ampicillin-resistant Escherichia coli strains with origin of normal fecal flora
(TUBİTAK, 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 and properties of triazol-5-one substituted phthalocyanines by microwave irradiation
(TÜBİTAK, 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 ... -
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 ... -
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 ... -
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 ... -
Distribution of intestinal parasites detected in Camlihemşin healthcare center during the period from July 2005 to January 2007 [Camlihemşin sağlik merkezi'nde Temmuz 2005 - Ocak 2007 yillari arasinda saptanan bağirsak parazitlerinin dağilimi.]
(0-Belirlenecek, 2007)In the present study, 142 persons admitted to the Camlihemşin Healthcare Center between July 2005 and January 2007, carriage of intestinal parasites was investigated in 93 male and 49 female patients. All of the stool ... -
Screening of intestinal parasites of children in special day nurseries in the city of Rize [Rize şehrinde özel kreşlerdeki çocuklarda bağirsak parazitlerinin taranmasi.]
(0-Belirlenecek, 2007)In this study, the carriage of intestinal parasites was investigated in a total of 73 children (35 girls, 38 boys) in the 1-6 age-group in two special day nurseries in the city of Rize. Stool samples and cellophane tape ... -
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
(Elsevier, 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 ... -
Determination of radioactivity levels and hazards of soil and sediment samples in Fi{dotless}rti{dotless}na Valley (Rize, Turkey)
(Elsevier, 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 ... -
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
(Wiley, 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 ... -
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. ... -
Gastric emptying, clearance rate, feeding periodicity and food consumption of the Black Sea jelly fish, Mnemiopsis leidyi (Agassiz)
(2007)The feeding physiology of Mnemiopsis leidyi fed on Artemia salina were investigated under laboratory conditions. Multifactorial experimental designs were used to study the factors affecting gastrovascular emptying in M. ... -
Microwave-assisted synthesis and characterization of novel metal-free and metallophthalocyanines containing four 14-membered tetraaza macrocycles
(Elsevier, 2007)The novel tetrasubstituted metal-free phthalocyanine (6) and metallophthalocyanines (7, 8) bearing four 14-membered tetraaza macrocycles moieties on peripheral positions have been synthesized by cyclotetramerization reaction ... -
Critical state magnetostriction of type-II superconductors under viscous flux flow
(Elsevier, 2007)We have studied theoretically the influence of the viscous flux flow on the magnetostriction for the infinite slab of type-II superconductors employing critical state model. The critical current density is chosen to be ... -
Activation energy U(H) and pinning behavior of Yb-impurity-diffused YBa 2Cu 3O 7-x
(Wiley, 2007)Superconducting Y123 samples were prepared by the solid-state reaction (SSR) method. To get a layer of Yb (thickness ?4 ?m) on the surface of one side of the sample an ultrahigh-vacuum electron-beam deposition system was ... -
Assesment of trace elements in rainbow trout (Oncorhynchus mykiss) cultured in the marine aquaculture cages on the Black Sea Coast
(2007)The concentrations of trace elements were determined in various tissues (internal organs, liver, abdominal and dorsal muscle) of individuals of cultured fishes obtained from two marine cage farms located on the coasts of ...
