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Toplam kayıt 3474, listelenen: 1-20
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Preparation and characterization of chromophor group containing cyclotriphosphazenes: I imino chromophor carrying some cyclotriphosphazenes
(Taylor and Francis Ltd., 1999)Some new substituted cyclotriphosphazenes were prepared by the reaction of hexachlorocyclotriphophazene and 4-hydroxy or 4?-hydroxy Schiff bases as 4?-hydroxybenzylideneaniline, 4?-hydroxy-4-chlorobenzylideneaniline, ... -
Phytosociological research on egerli mountain (amasya, turkey)
(2001)The vegetation of Egerli Mountain (Amasya, Turkey) was investigated between 1996 and 1998. The study area is a transitional area between the boundaries of Central Anatolia and the Middle Black Sea region. From the ... -
On the computation of molecular auxiliary functions An and Bn
(Indian Academy of Sciences, 2001)The computation of molecular auxiliary functions was analyzed in the Hartree-Fock-Roothaan (HFR) approximation for moleculeswere analyzed. Ewarld's lattice theory, electromagnetic stopping theory, and other approximate ... -
Osmanlı Eğitim Kurumlarından Çağdaş Eğitime Geçiş
(2002)Osmanlı eğitimle yükseldi. Eğitimde yenileşmeyi devam ettiremediği için çağa ayak uyduramamanın sancılarını çeke çeke eridi. Medreseler kurdu, idadiler, rüştiyeler, darülfünunlar oluşturdu, ama bunların işlevi olan bilimsel ... -
A theoretical investigation of DEPTQ NMR spectroscopy for InS spin system (I = 1/2, S = 1/2)
(2002)The product operator technique is used for analytical description of multipulse NMR experiments. DEPTQ NMR spectroscopy is the combination.of basic DEPT and SEMUT-90 NMR spectroscopy. This study presents the analytical ... -
Digestive system contents of the perch (Perca fluviatilis L., 1758) inhabiting derbent dam lake (Bafra-Samsun) [Derbent baraj gölü (Samsun-Bafra)'nde yaşayan tatlisu levre?i (Perca fluviatilis L. 1758)'nin sindirim sistemi i?çeri?i]
(2003)In this study, 239 perch which had been caught between May 1998 and December 2000 from Derbent Dam Lake with a number of different nets, shockers and tackles were examined. The organisms obtained after analyzing the perch ... -
Evaluation of multicenter nuclear attraction integrals by the use of translation formula for slater type orbitals
(International Academic Publishers, 2003)By the use of translation formula for Slater type Orbitals (STOs), three-center nuclear attraction integrals are represented in terms of two-center overlap and nuclear attraction integrals. The computing results for the ... -
Dietary preferences of perch (Perca fluviatilis L., 1758) inhabiting derbent dam lake (Bafra-Samsun) and their relationship with seasonal and age-dependent variations [Derbent baraj gölünde (Samsun-Bafra) yaşayan tatlisu levre?i (Perca fluviatilis, L., 1758)'nin yaşa ve mevsimlere göre besin tercihi]
(2003)The aim of this research was to establish whether the dietary preferences of perch (Perca fluviatilis L., 1758) change due to age and the seasons. Food items were examined by the Geometric Index of Importance (GII) method. ... -
Symbolic calculation of two-center overlap integrals over slater-type orbitals
(Chinese Chemical Society Taiwan, 2004)Two-center overlap integrals over Slater type orbitals (STOs) have been expressed in terms of the well-known Mulliken's integrals Bn(pt) using Rodrigues's formula for normalized associated Legendre functions. A computer ... -
New syntaxa from the west part of Central Anatolia
(2004)Three plant communities in Central Anatolia are named, classified and briefly described. All the associations in the study area were attached to a new suballiance: Ebeno hirsutae-Thymenion leucostomi in the alliance ... -
Hartree-Fock-Roothaan calculations for ground states of some atoms using minimal basis sets of integer and noninteger n-STOs
(2004)Hartree-Fock-Roothaan (HFR) calculations for ground states of some atoms, i.e. He, Be, Ne, Ar, and Kr have been performed using minimal basis sets of Slater type orbitals (STOs) with integer and noninteger principal quantum ... -
Scirtetellus vittatus Kiritshenko, 1951 (Heteroptera: Miridae) üzerine bir araştırma
(2006)Bu çalışmada, 2004 ve 2005 yıllarında Rize ve Artvin çevresinde, 4 farklı lokaliteden, Scirtetellus vittatus Kiritshenko, 1951 taksonuna ait 175 ergin örnek toplanmıştır. Toplanan örneklerin, benzer ve farklı özellikleri ... -
PENDANT $^{13}C $ NMR spectroscopy applied to $CH_n$ groups
(2006)Polarization enhancement nurtured during attached nucleus testing (PENDANT) NMR spectroscopy gives signals of quaternary carbon atoms in addition to signals indicative of CH, CH2 and CH3 groups. In this study, using product ... -
Kimya Öğretmenlerinin Hizmet-İçi Eğitim İhtiyaçlarının Belirlenmesi: Trabzon Örneği
(2006)Bu çalışmada, Trabzon’da görev yapan kimya öğretmenlerinin hizmet-içi eğitim ihtiyaçlarının belirlenmesi amaçlanmıştır. Özel durum yaklaşımının kullanıldığı çalışmaya, toplam 30 kimya öğretmeni katılmıştır. Araştırmanın ... -
İNEGÖL DAĞI’NIN FİZİKİ COĞRAFYA ÖZELLİKLERİ
(2006)İnegöl Dağı kütlesi, Karadeniz Bölgesi’nin Orta Karadeniz Bölümü’nün iç kesimlerinde yer almaktadır. İdari bakımdan Amasya, Çorum ve Samsun illeri dâhilinde bulunan kütle üzerinde hem daimi, hem de geçici kır yerleşim ... -
The estimation of radiation doses in human organs due to natural and artificial radioactivity in surface waters of the Ebro river basin (Northeast Spain)
(2006)This paper reports the estimation of the radiation doses in the human body in the Ebro river basin (Northeast Spain), following drinking water ingestion by measuring 40K, 226Ra, 90Sr and 3H. The equivalent dose in ten ... -
PENDANT 13C NMR spectroscopy applied to CHn groups
(2006)Polarization enhancement nurtured during attached nucleus testing (PENDANT) NMR spectroscopy gives signals of quaternary carbon atoms in addition to signals indicative of CH, CH2 and CH3 groups. In this study, using product ... -
İNCESU YARMAVADİSİ (ÇORUM-ORTAKÖY)
(2006)İncesu Yarmavadisi, Çorum’un Ortaköy ilçesine bağlı İncesu köyü ile Yozgat’ın Aydıncık İlçesine bağlı Kazankaya köyü arasında, Çekerek ırmağı tarafından açılmış bir epijenik yarmavadidir. Büyük kısmı ile kıvrımlı-kırıklı ... -
Rediscovery of Scorzonera amasiana Hausskn. and Bornm. - A threatened endemic species in Turkey
(Bangladesh Botanical Soc, 2007)Scorzonera amasiana Hausskn. and Bornm. was described from type specimens collected by J.F.N. Bornmueller in 1889 but it was not collected again until 1993, when it was found near Amasya, Turkey. Populations of S. amasiana ... -
Some further analytical results on the solid angle subtended at a point by a circular disk using elliptic integrals
(ELSEVIER SCIENCE BV, 2007)A series formulation involving complete elliptic integrals of the first and second kinds for the solid angle subtended at a point by a circular disk is presented. Results from the present model were tested against data ...
