Başlık için Kimya Bölümü listeleme
Toplam kayıt 107, listelenen: 27-46
-
Effect of reactive organobentonite additives to the some performance properties of rigid polyurethane foam
(Gazi University, Fac Engineering Architecture, 2017)In this study, bentonite was modified with the compounds which have amine and hydroxyl functionality and obtained organobentonites were used as additive for the synthesis of rigid polyurethane foam nanocomposites (SPKN). ... -
Egg Shell Powder Added Rigid Polyurethane Foams: the Investigation of Their Thermal Conductivity, Compressive Strength and Fire Behaviors
(Turkish Soc Thermal Sciences Technology, 2018)In this study, rigid polyurethane foam composites (SPKK's) containing egg shell powder (YKT) with different ratio were synthesized. YKT was characterized by using X-ray difractometer (XRD), X-ray fluorescence spectrometer ... -
Egg shell powder added rigid polyurethane foams: The investigation of their thermal conductivity, compressive strength and fire behaviors [Yumurta Kabuğu Tozu Katkılanmış Sert Poliüretan Köpükler: Termal İletkenlik, Basma Mukavemeti ve Yanma Davranışlarının İncelenmesi]
(Turk Isı Bilimi ve Teknigi Dernegi, 2018)In this study, rigid polyurethane foam composites (SPKK's) containing egg shell powder (YKT) with different ratio were synthesized. YKT was characterized by using X-ray difractometer (XRD), X-ray fluorescence spectrometer ... -
Electrochemical Determination of Bisphenol A with Pencil Graphite Electrodes Modified with Co(II), Ni(II), Cu(II) and Fe(II) Phthalocyaninetetrasulfonates
(Japan Soc Analytical Chemistry, 2016)Pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) metallophthalocyaninetetrasulfonates (MePcTSs) were investigated for an electrochemical determination of bisphenol A (BPA). The electrochemical ... -
Environmentally Friendly Photocatalytic Oxidation of Aromatic Alcohol to Aldehyde in Aqueous Suspension of Brookite TiO(2)
(Springer, 2008)Photocatalytic oxidation of 4-methoxybenzyl alcohol to aldehyde in water has been achieved by using home-prepared uncalcined brookite TiO(2). Three different lamp irradiances have been applied in order to check the influence ... -
Eskişehir'de Eczane Teknisyenleri üzerine Bir Araştırma
(2015)Bu çalışmada, Eskişehir'deki eczacıların bakış açısından eczane teknisyenlerinin değerlendirilmesi üzerine bir araştırma gerçekleştirilmesi amaçlanmıştır. Metod: Bu çalışmanın eczacıları tesadüfî örnekleme yöntemi ile ... -
Evaluation of polymer-supported rhodium catalysts in 1-octene hydroformylation in supercritical carbon dioxide
(American Chemical Society, 2003)Supercritical CO2 has been used as a benign solvent in the hydroformylation of 1-octene using a Rh-based catalyst. The catalyst is attached to a polymer backbone that has fluoroacrylate branches that make it soluble in ... -
Glycerol Partial Oxidation in Aqueous Solution by Home Prepared TiO2 Photocatalyst
(Ict Press, 2010)… -
Graphite-supported TiO2 for 4-nitrophenol degradation in a photoelectrocatalytic reactor
(Elsevier Science Sa, 2009)Amorphous TiO2, prepared at room temperature through a sol-gel method implementing hydrolysis of TiCl4, has been supported on graphite rods and then annealed at 673 K. In this way graphite was completely covered by a porous ... -
HETEROGENIZATION OF HOMOGENEOUS PERFLUOROTHIOPHENE Rh(I) COMPLEX AND EXAMINATION OF HYDROGENATION ACTIVITY IN scCO2 MEDIA
(2018)Rhodium(I) complex of perfluorinated thiophene ligand was synthesized and heterogenized over the modified silica support. SEM, XRF, TGA and BET methods were used for the characterization of the heterogenized catalyst ... -
Home-prepared anatase, rutile, and brookite TiO2 for selective photocatalytic oxidation of 4-methoxybenzyl alcohol in water: reactivity and ATR-FTIR study
(Royal Soc Chemistry, 2009)TiO2 catalysts of anatase, rutile and brookite phase were prepared at low temperature and tested for carrying out the photocatalytic partial oxidation of 4-methoxybenzyl alcohol to 4-methoxybenzaldehyde (p-anisaldehyde) ... -
HPLC fluorescence determination of ochratoxin A utilizing a double internal standard and its application to poultry feed
(2015)Abstract: A validated liquid chromatography method employing a fluorescence detector for the determination of ochratoxin A (OTA) was developed with double internal standard and it was applied to ten different poultry feeds. ... -
Ion-imprinted thermosensitive polymers for $Fe^ {3+}$ removal from human plasma
(2008)Thermosensitive gels have attracted a great deal of attention for the applications of drug delivery systems, actuators, separation and removal of biological compounds and metals. Poly(N-isopropylacrylamide) (poly(NIPA)), ... -
Kinetics of 4-Methoxybenzyl Alcohol Oxidation in Aqueous Solution in a Fixed Bed Photocatalytic Reactor
(American Chemical Society, 2010)The photocatalytic oxidation of 4-methoxybenzyl alcohol in water was performed in a fixed bed continuous annular reactor by using a home-prepared TiO2 catalyst supported on Pyrex glass beads. The investigation was aimed ... -
Kitosan'ın İn vitro Koşullarda Listeria monocytogenes Üzerine Etkisi
(2016)Bu çalışmanın amacı, farklı moleküler ağırlıktaki kitosan solusyonlarının mayonez bazlı salatalardan elde edilen üç Listeria monocytogenes saha izolatı ile L. monocytogenes (ATCC 7644) referans suşu üzerindeki etkilerini ... -
Klorofil A ve B'nin ışığa bağımlılığının petrol eteri,metanol ve su çözücülerinde yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil a ve b'nin ışığa bağımlılığının petrol eteri, metanol, su çözücülerinde yapı kararlılıkları UV-görünür bölge spektrofotometre yardımıyla incelenmistir. Yaptığımız çalışmalarda klorofil a ve b'nin ... -
Klorofil A'nın pH'ya bağımlı $H_2O_2$, $(CH_3)_3COOH$ ve NaOCI oksidantlarına karşı yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil a'nın pH 1-14 arlığında oksidantsız ve hidrojen peroksit, tert-bütil hidroperoksit ve sodyum hipoklorite karşı yapı kararlılıkları 30 °C'de incelenmistir. Klorofil a'nın farklı oksidantlardaki parçalanma ... -
Klorofil B'nin pH'ya bağımlı $H_2O_2$,$(CH_3)_3COOH$ ve NaOCI oksidanlarına karşı yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil b'nin pH 1-14 aralığında oksidantsız ortamda ve $H_2O_2$,$(CH_3)_3COOH$ ve NaOCl oksidantlarına yapı kararlılıkları UV-görünür bölge spektrofotometre yardımıyla incelenmistir. Farklı pH'larda inceledigimiz ... -
Latex supported manganese (III) porphyrin catalysts for oxidations of alkenes by hydrogen peroxide and tert-butyl hydroperoxide in the aqueous medium
(1996)Cationic polymer latexes were prepared by emulsion copolymerization of vinylbenzyl chloride and divinylbenzene followed by quaternization with trimethylamine and used as catalyst supports for 5,10,15,20-tetrakis(2, ... -
Lead Biosorption By a Moderately Halophile Penicillium Sp. Isolated From Çamalti Saltern in Turkey
(2016)Ağır metallerin farklı organizmalarla biyosorbsiyonunun önemi sebebiyle Çamaltı tuzlasından izole edilen tuza toleranslı (halotolerant) fungusun biyosorbsiyon potansiyeli bu çalışma ile ilk kez araştırılmıştır. Penicillium ...