A Study on Circular Diffusers with Small Aspect Ratios
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چکیده
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a study on construction of iranian life tables: the case study of modified brass logit system
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15 صفحه اولInvestigating structural, optical and photocatalytic properties of hydrothermally synthesized ZnO nanorod arrays with various aspect ratios
ZnO nanorods with various aspect ratios (by changing the time of growth between 0-240 min) were synthesized using hydrothermal method and were investigated using XRD, SEM, UV–Vis and PL. It was found that growth time is directly coupled with the length, orientation and aspect ratio of the nanorod arrays. The optical transmittance of the NR arrays indicated a regular decrement of average transmi...
متن کاملStructural, Optical and Ultra-Violet Photodetection Properties of ZnO Nanorods with Various Aspect Ratios
ZnO nanorods with various lengths were synthesized by a two-stage route (by changing the time of growth between 0-240 min) and were characterized using XRD, SEM, UV–Vis and PL techniques. The SEM and XRD results confirmed a fast growth of (0 0 2) plane in the preferential longitudinal orientation, in contrast to lateral growth and therefore, by increasing the time of hydrothermal growth, nanoro...
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A. Fursina, S. Lee, R. G. S. Sofin, I. V. Shvets, and D. Natelson Department of Chemistry, Rice University, 6100 Main St., Houston, Texas 77005, USA Department of Physics and Astronomy, Rice University, 6100 Main St., Houston, Texas 77005, USA CRANN, School of Physics, Trinity College, Dublin 2, Ireland Department of Electrical and Computer Engineering, Rice University, 6100 Main St., Houston, ...
متن کاملMeasuring the aspect ratios of ZnO nanobelts.
Nanobelts are new materials that have a rectangular cross-section and are characterized by widths and width-to-thickness aspect ratios. In this paper, the thickness and aspect ratios of ZnO nanobelts are measured by a conjunction application of convergent beam electron diffraction (CBED) and electron energy-loss spectroscopy (EELS). The thicknesses of thicker nanobelts are first determined by C...
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ژورنال
عنوان ژورنال: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
سال: 1979
ISSN: 0387-5016,1884-8346
DOI: 10.1299/kikaib.45.1099