Başlık için Fen Fakültesi listeleme
Toplam kayıt 2379, listelenen: 988-1007
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Havadan ve topraktan izole edilen actinomycete türlerinin antibiyotik aktivitesinin araştırılması
(2003)Havadan ve topraktan izole edilen Actinomycete türlerinin antimikrobiyal aktivitesinin belirlenmesinin amaçlandığı araştırmamızda, 83 Actinomycete türü ile çalışılmıştır. Topraktan izole edilen 24, havadan izole edilen 5 ... -
He's variational iteration method applied to the solution of the prey and predator problem with variable coefficients
(Elsevier Science BV, 2008)In this Letter, a mathematical model of the problem of prey and predator is presented and He's variational iteration method is employed to compute an approximation to the solution of the system of nonlinear differential ... -
Heavy metal ion adsorption properties of methacrylamidocysteine-containing porous poly(hydroxyethyl methacrylate) chelating beads
(Multi Science Publ Co LTD, 2002)Details of the adsorption performance of poly(2-hydroxyethylmethacrylate-methacrylamidocysteine) [p(HEMA-MAC)] beads towards the removal of heavy metal ions from aqueous solution were studied. The metal-complexing ligand ... -
Heavy metal separation capacity of a porous methacrylamidophenylalanine containing membrane based on a polyhydroxyethyl methacrylate matrix
(Marcel Dekker Inc, 2001)The abilities of various sorbent materials for heavy metal removal have been reported in the literature. We have developed a novel approach to obtain high metal-sorption capacity utilizing a membrane containing ... -
Hepatic effects of yttrium oxide nanoflowers: in vitro risk evaluation
(Taylor & Francis LTD, 2015)Yttrium oxide nanoflowers were prepared by a hydrothermal technique, and X-ray diffraction and scanning electron microscopy were used to determine their structures. The cytotoxic and genotoxic potentials of aqueous dispersions ... -
Hepatitis B surface antibody purification with hepatitis B surface antibody imprinted poly(hydroxyethyl methacrylate-N-methacryloyl-L-tyrosine methyl ester) particles
(Elsevier Science BV, 2009)Hepatitis B surface antibody imprinted poly(hydroxyethyl methacrylate-N-methacryloyl-L-tyrosine methyl ester) particles were prepared for the purification of hepatitis B surface antibody from human plasma. N-methacryloyl ... -
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 ... -
High quantum efficiency Type-II superlattice N-structure photodetectors with thin intrinsic layers
(Spie-Int Soc Optical Engineering, 2013)We report on the development of InAs/AlSb/GaSb based N-structure superlattice pin photodiode. In this new design, AlSb layer in between InAs and GaSb layers acts as an electron barrier that pushes electron and hole wave ... -
High-field electrical conduction in thin films of polyethylene
(1987)The voltage-current characteristics of thin film metal-polyethylene-copper structures in which copper is used as a top electrode are studied. The samples made with thermally vacuum-evaporated polyethylene and having a top ... -
Highly selective ion-imprinted particles for solid-phase extraction of Pb2+ ions
(Elsevier Science BV, 2009)The Pb2+-imprinted (PHEMAC-Pb2+)particles were prepared by bulk polymerization as a solid-phase extraction (SPE) adsorbent. N-methacryloyl-(L)-cysteine (MAC) was used as functional monomer to have a well-shaped molecular ... -
Hiperbolik uzayda bazı ideal çokyüzlülerin hacimleri üzerine
(2002)3-boyutlu hiperbolik uzayda, hacim hesabında sıkça kullanılan Lobachevsky fonksiyonu $JI :Bbb {R} rightarrow Bbb {R}}$ $JI(theta)=-int_0^theta log|2 sin x|dx$ şeklinde tanımlanır. Hiperbolik uzayda düzgün, ideal dörtyüzlünün ... -
Histopathological alterations and cadmium accumulation in the liver and gills of Aphanius chantrei (Gaillard, 1895) (Cyprinodontiformes: Cyprinodontidae)
(2009)The aim of the present study was to investigate the toxic effects of cadmium (Cd) in the liver and gills of Aphanius chantrei at the histopathological level. Fish were exposed to the acute concentration of Cd (5.5 mg/L) ... -
HISTOPATHOLOGICAL ALTERATIONS AND CADMIUM ACCUMULATION IN THE LIVER AND GILLS OF Aphanius chantrei (Gaillard, 1895) (CYPRINODONTIFORMES: CYPRINODONTIDAE)
(Parlar Scientific Publications (PSP), 2009)The aim of the present study was to investigate the toxic effects of cadmium (Cd) in the liver and gills of Aphanius chantrei at the histopathological level. Fish were exposed to the acute concentration of Cd (5.5 mg/L) ... -
Histopathological and biochemical alterations of the earthworm (Lumbricus Terrestris) as biomarker of soil pollution along Porsuk River Basin (Turkey)
(Pergamon-Elsevier Science LTD, 2011)This study investigated biomarker responses of the earthworm Lumbricus terrestris in order to evaluate the soil pollution along Porsuk River Basin. Samples consisted of animals from six sites that are agricultural regions ... -
Hofmann-dahpn-tipi klatratlar: {M(H2N(CH2)7NH2)Ni(CN)4.G(M=Ni. veya Cd;G=bifenil, antrasen, veya fenantren} için FTIR spektroskopik çalışmaları
(2001)Bu çalışmada toz halde hazırlanan M(l,7-diaminoheptan)Ni(CN)4GM=Ni veya Cd; G=bifenil , antrasen veya fenantren) klatratlarının FTIR spektrumları incelendi. Klatratlann spektral verileri bu konuk moleküller için mukayese ... -
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) ... -
Homogeneous oxidation of alcohol and alkene with copper (II) complex in water
(Indian Acad Sciences, 2018)A new water-soluble copper(II) complex bearing 4-bromobenzoate/ 2,2'-dipyridylamine ligands was successfully synthesized and characterized by using single crystal X-ray diffraction and spectroscopic techniques. The catalytic ... -
Homogeneous oxidation of alcohols in water catalyzed by a Cu(II) complex with a triphenyl acetate/ bipyridyl ligands
(American Chemical Society, 2017)… -
Homogeneous oxidation of alcohols in water catalyzed with Cu(II)-triphenyl acetate/bipyridyl complex
(Pergamon-Elsevier Science LTD, 2017)A water-soluble mononuclear copper(II) complex, [Cu(OOCC(C6H5)(3))(C10H8H2)(H2O)](ClO4)(CH3OH) (triphenylacetic acid = HOOCC(C6H5)(3), 2-2'-bipyridyl (bipy) = C10H8N2) was synthesized and used as a catalyst precursor in ...