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Toplam kayıt 34, listelenen: 1-10
Spray pyrolysis yöntemiyle elde edilen $CuCd_{0.8}InS_{2.8}$ filminin optik özellikleri
(2004)
Bu çalışmada, spray pyrolysis yöntemiyle 225°C taban sıcaklığında elde edilen $CuCd_{0.8}InS_{2.8}$ yarıiletken fıliminin optik özellikleri incelenmiştir. Absorpsiyon spektrumu ölçümlerinden filmin direkt bant geçişli ...
Spray pyrolysis yöntemiyle elde edilen $Cd_{0.73}Zn_{0.27}S_{0.8}Se_{0.2}$ yarıiletken filminin optik özellikleri
(2004)
Bu çalışmada, $Cd_{0.73}Zn_{0.27}S_{0.8}Se_{0.2}$ filmi spray pyrolysis yöntemi ile cam tabanlar üzerine 225°C taban sıcaklığında elde edilmiştir. Filmin yasak enerji aralığının direkt bant geçişli olduğu ve değerinin ...
Isıl yolla uyarlanmış akım ile aktivasyon enerjisinin belirlenmesi
(2004)
Bu çalışmada, ısıl yolla uyarılmış akım ile yarıiletken ve yalıtkan materyallerde gözlenen tuzak seviyelerinin aktivasyon enerjilerini belirlemek için kullanılan yöntemler incelenmiştir.
Speech and language disorders in patients with cerebral palsy [Serebral palsi·li· hastalarda di·l ve konuşma bozukluklari]
(2004)
The aim of this study was to evaluate the speech and language disorders of patients with cerebral palsy. A total of 48 patients including 23 girls and 25 boys with spastic cerebral palsy were included in the study. Thirteen ...
Ni(II) ion-imprinted solid-phase extraction and preconcentration in aqueous solutions by packed-bed columns
(Elsevier Science BV, 2004)
Solid-phase extraction (SPE) columns packed with materials based on molecularly imprinted polymers (MIPs) were used to develop selective separation and preconcentration for Ni(II) ion from aqueous solutions. SPE is more ...
Structural stabilities of N-permethylated tetracations of meso-tetrakis(4-pyridyl)porphyrin, meso-tetrakis[4-(dimethylamino)phenyl]porphyrin, and their manganese(III) complexes toward hydrogen peroxide, tert-butylhydroperoxide, and sodium hypochlorite
(Soc Porphyrins & Phthalocyanines, 2004)
The degradation rate constants of the tetracations 5,10,15,20-tetrakis(N-methylpyridinium-4-yl)porphyrin and 5,10,15,20-tetrakis(N,N,N-trimethylanilinium-4-yl)porphyrin as well as their manganese(III) complexes toward the ...
An investigation of the influence of the pairing correlations on the properties of the isobar analog resonances in A=208 nuclei
(Indian Academy Sciences, 2004)
Within the quasi-particle random phase approximation (QRPA), the method of the self-consistent determination of the isovector effective interaction which restores a broken isotopic symmetry for the nuclear part of the ...
Electrochemical polymerization of fluoro- and chloro-substituted anilines and copolymers with aniline
(John Wiley & Sons Inc, 2004)
Poly(2-fluroaniline) and poly(2-chloroaniline) were synthesized by an electrochemical method in an acetonitrile solution containing tetrabutylammonium perchlorate and perchloric acid. Also, the electrochemical copolymerization ...
Adsorption of Acid Blue 193 from aqueous solutions onto Na-bentonite and DTMA-bentonite
(Academic Press Inc Elsevier Science, 2004)
Dodecyltrimethylammonium bromide-modified bentonite (DTMA-bentonite) was prepared and tested as an adsorbent for an acid dye (Acid Blue 193, AB 193) removal from aqueous solution in comparison with Na-bentonite. The effect ...
Comparison of supercritical fluid and Soxhlet extractions for the quantification of hydrocarbons from Euphorbia macroclada
(Elsevier Science BV, 2004)
This study compares conventional Soxhlet extraction and analytical scale supercritical fluid extraction (SFE) for their yields in extracting of hydrocarbons from arid-land plant Euphorbia macroclada. The plant material was ...