200 results for “Thickness”

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Research ArticleOpen accessEvery word in the titleEffect of Thickness of Tris (8-Hydroxyquinolinato) Aluminum on the Photoluminescence and I-V Characteristic of Organic Light Emitting StructureLim Mei Yee, Wan Mahmood Mat Yunus, Zainal Abidin Talib, Anuar KassimProblem statement: How the thickness of the tris (8-hydroxyquinolinato) Aluminum (Alq3) effect the optical and electrical properties of organic light emitting diode. Approach: The optimum thickness, photoluminescence and current-voltage characteristic of Alq3 layer on N, N-bis (inaphthyl)- N,N-diphenyl-1,1-biphenyl-4,4-diamine (55 nm) layer in Organic Light-Emitting Devices (OLED) structure are reported. Alq3 and NPB organic layers are used as Electron Transport Layer … …American Journal of Applied Sciences, Vol. 7, Issue 9 · 30 Sep 2010 · 8,249 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleThe Effect of Air Pollution on Ozone Layer Thickness in Troposphere over the State of KuwaitH. O. Al Jeran, A. R. KhanTroposphere ozone layer acts as a shield against all ultraviolet radiation approaching the planet Earth through absorption. It was noticed in mid 80s that ozone layer has thinned on the poles of the planet due to release of man-made substances commonly known as Ozone Depleting Substances, (ODS) into its atmosphere. The consequences of this change are adverse as the harmful … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 19,488 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleThermal-Mechanical Analysis of a Different Leadframe Thickness of Semiconductor Package under the Reflow ProcessS. Abdullah, M. F. Abdullah, A. K. Ariffin, A. JalarThe copper-based leadframe is practically proven effective in the thermal and reliability of a Quad Flat No Lead (QFN) three dimension (3D) stacked-die semiconductor package. Reducing the copper thickness is understood to present various thermal and reliability failure mode and mechanisms, such as die cracking and delamination. However, no in-depth study has been pursued in order to determine the capability … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,715 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleEffect of Film thickness on the Electrical and Structural Properties of CdS: In Thin FilmsShadia J. Ikhmayies, Riyad N. Ahmad-BitarPolycrystalline CdS:In thin films were prepared by the Spray Pyrolysis (SP) technique on glass substrates at a substrate temperature Ts= 490°C. The effect of film thickness on the electrical and structural properties of the films was investigated through the analysis of the I-V plots, x-ray diffraction spectra (XRD) and the scanning electron microscope (SEM) images. The conductivity of the films … …American Journal of Applied Sciences, Vol. 5, Issue 9 · 30 Sep 2008 · 6,910 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleNumerically Studying the Effect of Stiffening Rings on Reducing the Thickness of Torospherical Heads under Pressure on Their Concave SideSa'id Golabi, Ali Ghorbanpour-Arani, Arash ZamaniThe high thickness of heads used in pressure vessels is always one of the main concerns of designers and manufacturers. A thorough study has been conducted on all types of heads including torospherical heads, with external and internal pressure to reduce their thickness using stiffening rings by finite element technique. Here the result of analysis on heads with pressure on … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,146 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleThickness Analysis of Stone Mastic Asphalt (SMA) Slab Compacted Using a Newly Developed Roller CompactorR. Muniandy, F.M. Jakarni, S. Hassim, A.R. MahmudPavement mix design procedures and specifications are usually derived from laboratory experiments. Therefore, laboratory experiments should be able to simulate to a high degree the conditions in the field, especially in term of compaction procedures. Based on literature reviews and analysis of past studies, it can be concluded that there are no exact method for laboratory compaction that can simulate … …American Journal of Applied Sciences, Vol. 4, Issue 4 · 30 Apr 2007 · 7,476 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsBulk and Interface Configuration on the Performances of Perovskite Solar CellsSankara Issiaka, Soumaïla Ouédraogo, Daouda Oubda et al.The ongoing search for energy conversion technologies that are more efficient, affordable, and sustainable than traditional solar cells have led researchers to look at other technologies. Among these technologies, perovskite-based solar cells seem increasingly credible, as they have the potential to achieve high energy conversion efficiencies that rival or even surpass those of silicon solar cells, which currently dominate the … …American Journal of Applied Sciences, Vol. 20, Issue 1 · 7 Nov 2023 · 6,018 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsParameter Settings for an Automated Gantry-Robot Painting System using a 3-Gun Atomization Spray Method for an Anti- Static Coating ProcessZunaidi Ibrahim, Rozman A. Rahim, Shahrizal Ariffadillah et al.Dry film thickness and appearance are the main quality improvements that can be achieved by an automated painting system in the manufacturing process. This study presents the spray coating process for aircraft parts using a gantry robot with an automated spray-painting gun to control the spray path, thus achieving the desired coating layer thickness. The experimental results show that the … …American Journal of Engineering and Applied Sciences, Vol. 12, Issue 4 · 22 Nov 2019 · 8,977 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsThe COXII Haplotypes and their Association with Productive Traits in Large White Breed PigsMaria A. Kolosova, Lyubov V. Getmantseva, Nekruz F. Bakoev et al.The mitochondrial genome encodes key electron transfer chain (ETC) proteins which produce the vast majority of cellular ATP. Sequence analysis of maternal inherited mitochondrial DNA is an effective way to assess the individual characteristics of commercial breeding lines of pigs. The aims of our study were to analyze the nucleotide sequence of the mitochondrial gene COXII in Large White pigs, … …OnLine Journal of Biological Sciences, Vol. 19, Issue 3 · 2 Jul 2019 · 7,655 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsStructural Performance of Double Laminated Glass Panels with EVA and PVB Interlayer in Four-Point Bending TestsTomáš Hána, Martina Eliášová, Zdeněk SokolMany examples of glass loadbearing structures such as handrails, panes, beams and columns can be found in modern architecture. Most of these elements are made of laminated glass panels. There is a general lack of knowledge about the transfer of shear forces between the glass plies in perpendicularly-loaded laminated panels. This transfer depends significantly on the stiffness of the polymeric … …International Journal of Structural Glass and Advanced Materials Research, Vol. 2, Issue 1 · 14 Aug 2018 · 13,274 accessesView PDF Cite