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25 results for “channel structure”
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Research ArticleOpen accessIn the keywordsPreparation and Polishing Properties of Spherical Porous Silica AbrasiveHong Lei, Hu Li, Ping Liu, Ruling ChenProblem statement: Abrasive is one of key influencing factors on the polished surface quality in Chemical Mechanical Polishing (CMP). Solid abrasives in CMP slurries are easy to cause polishing scratches. It is well known that reducing the hardness of abrasives would improve the polished surface quality. Therefore, the change in structure or shape of the abrasives means a change in … …Current Research in Nanotechnology, Vol. 1, Issue 1 · 15 Jun 2011 · 9,285 accessesView PDFCite
Research ArticleOpen accessIn the abstractAbout the Internal Structure of a Bone and its Functional RoleAntonio Apicella, Raffaella Aversa, Francesco Tamburrino, Florian Ion Tiberiu PetrescuThe human skeleton has the primary role of supporting all the organs that make up the body and at the same time to protect them permanently. It is made up so that it can hold and hold together all internal human organs, protecting them permanently, but also allowing them to move and exercise all their functionalities. This paper wants to … …American Journal of Engineering and Applied Sciences, Vol. 11, Issue 2 · 26 May 2018 · 8,402 accessesView PDFCite
Review ArticleOpen accessIn the abstractDeep Learning in Early Alzheimer’s Disease’s Detection: A Comprehensive Survey of Classification, Segmentation and Feature Extraction MethodsRubab Hafeez, Sadia Waheed, Syeda Aleena Naqvi et al.Alzheimer’s disease is a deadly neurological condition, impairing important memory and brain functions. Alzheimer’s disease promotes brain shrinkage, ultimately leading to dementia. Dementia diagnosis typically takes 2.8-4.4 years after the first clinical indication. Advancements in computing and information technology have led to many techniques for studying Alzheimer's disease. Early identification and therapy are crucial for preventing Alzheimer's disease, as early-onset … …Journal of Computer Science, Vol. 21, Issue 5 · 26 Apr 2025 · 5,765 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluating the Impact of Topography on Flooding in Owerri North, Imo State, Nigeria Using GIS and Remote Sensing TechniquesSylvanus Ibeabuchi IroThe aim of this study is to analyze the topographical contribution to floods in Owerri, North Imo State, Nigeria. Research was carried out to ascertain whether topographical elements played a role in the flooding in specific areas of Owerri North. As a result, very little research has looked at the effects of topography on flooding. Thus, there is a barrier … …American Journal of Environmental Sciences, Vol. 21, Issue 1 · 29 Jan 2025 · 7,197 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnd Discharge Relationship for Free Overfall Affected by Upstream Bed Roughness and SlopeJaafar S. MaatooqThe experimental program of this paper was restricted to free vertical drop structure at the end of the rectangular channel. The roughness and slope of the bed of approach channel are the aim of this study to show their effects on End Depth Ratio (EDR). Three different roughness from smooth (n = 0.009) to rough (n = 0.019) with four-bed … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 2 · 5 Jun 2017 · 7,498 accessesView PDFCite
Research ArticleOpen accessIn the abstractFlow and Heat Transfer Profiles in a Square Channel with 45° V-Downstream OrificesWithada Jedsadaratanachai, Amnart BoonloiFlow and heat transfer profiles in a square channel heat exchanger inserted with 45° V-orifices are presented. The influences of Reynolds number (Re = 3000-10,000) and blockage ratio (BR = 0.05, 0.10, 0.15, 0.20 and 0.25) on periodic concepts are investigated numerically. The computational domain is solved with the finite volume method and SIMPLE algorithm. As the numerical results, the … …Journal of Mathematics and Statistics, Vol. 12, Issue 4 · 18 Nov 2016 · 6,959 accessesView PDFCite
Research ArticleOpen accessIn the abstractSedimentology and Depositional Environment of D2 Sand in Part of Greater Ughelli Depobelt, Onshore Niger Delta, NigeriaPrince Suka Momta, Jonathan O. Omoboh, Minapuye I. OdigiThe sedimentology and depositional environment of D2 sand in part of the Greater Ughelli depobelt have been studied using well logs and core data. Three wells were correlated to establish the lateral continuity of the D2 sand across the field and standard gamma ray log trends was used to infer depositional environments. Cored section of well B was described to … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 4 · 19 Sep 2015 · 8,585 accessesView PDFCite
Research ArticleOpen accessIn the abstractUltra Low Power Single Edge Triggered Delay Flip Flop Based Shift Registers Using 10-Nanometer Carbon Nano Tube Field Effect TransistorRavi Thiyagarajan, Kannan VeerappanCarbon Nano Tube Field Effect Transistor is currently considered as promising successor of Metal Oxide Semiconductor Field Effect Transistor. The scaling down of the Metal Oxide Semiconductor device faced serious limits like short channel effect, tunnelling through gate oxide layer, associated leakage currents and power dissipation when its dimension shrink down to 22 nanometer range. Further scaling of Metal Oxide … …American Journal of Applied Sciences, Vol. 10, Issue 12 · 14 Oct 2013 · 6,749 accessesView PDFCite
Research ArticleOpen accessIn the abstractComputational Analysis of Particulate Flow in Expansion ChannelNor Azwadi Che Sidik, Leila JahanshalooComputational prediction of fluid-solid particle interaction in an expansion horizontal channel with wide range of Reynolds numbers. Lagrangian-Lagrangian numerical technique to predict the movement of solid particle. The method is based on mesocale scheme of lattice Boltzmann method for prediction of fluid dynamics and second Newton’s law for the dynamics of solid particles. The flow behaviour at the downstream of … …American Journal of Applied Sciences, Vol. 10, Issue 4 · 20 Apr 2013 · 6,501 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdaptive Channel Estimation for Multiuser Underwater Communication SystemsS. Aliesawi, C. C. Tsimenidis, B. S. Sharif, M. JohnstonProblem statement: Multiple Access Interference (MAI) signals and poor estimation of the unknown channel parameters in the presence of limited training sequences are two of the major problems that degrade the systems’ performance. Two synchronous multiuser receivers with Rake reception of Interleave Division Multiple Access (IDMA) and Code Division Multiple Access (CDMA) systems, in conjunction with channel estimation, are considered … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 20 Feb 2012 · 7,355 accessesView PDFCite