Yayın tarihi için WOS İndexli Yayınlar-Makale Koleksiyonu listeleme
Toplam kayıt 4816, listelenen: 1-20
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(5-Chloro-1,3-benzoxazol-2-ylthio)acetonitrile
(Munksgaard Int Publ Ltd, 1994)5-Chloro-1,3-benzoxazol-2-ylthio)acetonitrile, C9H5-ClN2OS, was obtained by the reaction of chloro acetonitrile with 5-chloro-2-mercaptobenzoxazole. The structure of the title compound was indicated by IR, H-1 NMR and C-13 ... -
Monte-carlo calculations of 50-ev-1-mev positrons in aluminum
(Pergamon-Elsevier Science Ltd., 1994)An analogue Monte-Carlo code has been used to simulate the transport of positrons in copper with an incoming energy range of 60 eV-30 keV. The simulation technique is based mainly on the screened Rutherford differential ... -
Dissolution kinetics of calcined colemanite in ammonıum-chloride solution
(Elsevier Science Bv., 1994)The leaching kinetics of calcined colemanite in ammonium chloride solutions were studied. The effects of calcination temperature, solution concentration, reaction temperature and pre-hydration were evaluated. The rate of ... -
Carvacrol-rich plants in Turkey
(Akademiya Nauk Uzbekskoi Ssr, 1995)Carvacrol is a phenolic monoterpene isomeric with thymol. While thymol is crystalline, carvacrol is a liquid with thymol-like characteristic odor. It is practically insoluble in water but freely soluble in ethanol and ... -
Composition of the essential oils of Thymus species growing in Turkey
(Akademiya Nauk Uzbekskoi Ssr, 1995)All the Thymus species growing in Turkey are aromatic plants which are often used as herbal tea, condiments and folk medicine. -
An ent-kaurane from Sideritis huber-morathii
(Pergamon-Elsevier Science Ltd, 1996)A new ent-kaurane diterpenoid, 3,7,18-triacetyl-foliol, was isolated from Sideritis huber-morathii, together with known diterpenes. Two known ent-kauranoids were found in S. caesarea. Copyright -
Kinetics of emulsifier-free emulsion polymerization of methyl methacrylate
(John Wiley & Sons İnc, 1996)The influences of polymerization temperature, initiator and monomer concentrations, ionic strength of the aqueous phase, as well as ethylene glycol dimethacrylate (EGDM) comonomer, on the kinetics of the emulsifier-free ... -
5-benzylidene-8-ethylthiocarbamoyl-9-phenyl-7,8-diazabicyclo[4.3.0]non-6-ene
(Munksgaard Int Publ Ltd, 1996)The title compound, C23H25N3S, was obtained by the reaction of dibenzylidenecyclohexanone with hydrazine hydrate, followed by the treatment of the resulting pyrazoline compound with ethyl isothiocyanate. The structure of ... -
Monte-Carlo calculations of low energy positrons in copper
(Pergamon-Elsevier Science Ltd, 1996)An analogue Monte-Carlo code has been used to simulate the transport of positrons in copper with an incoming energy range of 60 eV-30 keV. The simulation technique is based mainly on the screened Rutherford differential ... -
Flame AAS determination of platinum, palladium, and rhodium in catalysts
(Perkin-Elmer Corp, 1997)A flame atomic absorption spectrometric method is described for the determination of platinum, palladium, and rhodium in used and fresh alumina-supported and sieve catalysts. A lanthanum solution was used to eliminate ... -
Investigation of suitable digestion methods for the determination of total phosphorus in soils
(Elsevier Science Bv, 1997)Total phosphorus in five soils with different compositions which were obtained from different places were extracted by using Na2CO3 fusion, HClO4 digestion, HClO4 + HNO3 digestion, HF + HClO4 digestion or NaOBr oxidation ... -
Thermal behaviour of some metal complexes of N,N-diethyl-N'-benzoyl thiourea
(John Wiley & Sons Ltd, 1997)The thermal behaviour of the complexes of N,N-diethyl-N'-benzoylthiourea (DEBT) with NI(II), Cu(II), Pt(II), Pd(II) and Ru(III) was studied using differential thermal analysis (DTA) and thermogravimetry (TG). These complexes ... -
A tunable hot-electron light emitter
(IOP Publishing LTD, 1997)We demonstrate the operation of a novel tunable wavelength surface emitting device. The device is based on a p-GaAs and n-Ga1-xAlxAs heterojunction containing an inversion layer on the p-side, and GaAs quantum wells on the ... -
Monte Carlo calculations of medium energy positrons in metals
(Pergamon-Elsevier Science Ltd, 1997)The Monte Carlo code, which has been used previously to simulate the transport of positrons in aluminium and copper, was modified for simulating the positron transport in silver, tin, gold and lead with incident positron ... -
The essential oil of Satureja cuneifolia
(Georg Thieme Verlag, 1998)The essential oils from 19 samples of Satureja cuneifolia that is used as a substitute for thyme in Turkey have been analysed by GC and GC/MS. The plant materials were collected from different regions of Turkey, The results ... -
Modelling of the stress distribution in amorphous toroidal transducer cores
(E D P Sciences, 1998)It is very important to understand, stress distribution and variation of stress due ro applied displacement in toroidal cores in order to improve the sensitivity, accuracy and repeatability of the amorphous toroidal ... -
Dissolution kinetics of ulexite in ammonium chloride solution
(Maney Publishing, 1998)The leaching kinetics of ulexite in ammonium chloride solutions were studied. The effects of particle size, calcination temperature; solution concentration, and reaction temperature were evaluated. The rate of dissolution ... -
Borax production from borax slime, an industrial waste
(Kluwer Academic Publ, 1998)Borax slime is formed during the production of borax from tincal, which is an important berate ore. It is a liquid containing the suspanded solid particles at high levels and is formed under the rich-in-borax solution in ... -
Observations, data analysis and modelling studies on air pollution in Turkey
(Computational Mechanics Publications Ltd, 1998)In this study, some of the work that was carried out in Turkey on air pollution is assessed. First of all, legal arrangements made on air pollution and control of air pollution are reviewed. The observations made on air ... -
The determination of crown-cation complexation behavior in dioxane/water mixtures by conductometric studies
(John Wiley & Sons LTD, 1998)Using conductance measurements, an attempt has been made to gain detailed information about the specific molecular interactions of crown compounds with metal ions in a 1,4-dioxane/water binary system. Analyses of the ...
