نتایج جستجو برای: t transform to sub
تعداد نتایج: 10893695 فیلتر نتایج به سال:
The mesoporous ZrFe2O4 nanocauliflowers were synthesized via the solvothermal method. The core-shell ZrFe2O4@SiO2 nanocomposite was successfully prepared by a simple wet route using tetraethylorthosilicate, then modified with (3-aminopropyl)triethoxisilan (APTES) as link...
this study was an attempt to investigate the effect of subtitling on vocabulary learning among iranian intermediate students. to find the homogeneity of the groups, tofel test was administered to student in kish mehr institute in garmsar. after analyzing the data, 60 participants (female students) who scored within the range of one standard deviation above and below the mean, were selected as h...
This paper presents the results of studying lateral photovoltaic effect in hybrid structures based on SiO2/Si depending nature conductivity material upper layer (Fe is a metal, Fe3O4 semimetal, TiO2 semi-insulator). It shown that this observed which depleted region with significant band bending formed at interface. Theoretical calculations photovoltage energy parameters diagrams showed an incre...
Published data on 4-week-long administration of extra thyroxine (T4) in broiler breeder hens to alleviate the cold-induced ascites in their offspring suggested that long-term maternal hyperthyroidism would affect the gastrointestinal tract morphology. Broiler breeder hens (n=70) were reared in individual cages and allotted to control and hyperthyroid groups (five replicates of seven ...
In this research, Keggin-type polyoxometalate, H5PMoV2O40 (denoted as PMoV) was immobilized on modified NiFe2O4 nanoparticles to produce a magnetically separable catalyst. This catalyst was characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), cycli...
This paper presents a new technique for copyright protection of images using integer wavelet transform (IWT), singular value decomposition (SVD) and Arnold transform. We divide the cover image into four sub-images by picking alternate pixels from consecutive rows and columns and embed the copyright mark into the sub-image having the largest sum of singular values. The embedding is done by modif...
In this paper, those splendid characters of the Hilbert transform let the processes that taking wavelet transform after taking Hilbert transform for the statistic self-similarity processes FBM [ ) (t BH ] become another processes, that firstly taking Hilbert transform for the wavelet function ) (t φ and forming a new wavelet function ) (t ψ , secondly taking the wavelet transform for ) (t BH . ...
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