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29 results for “smooth surface”
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Research ArticleOpen accessIn the abstractEcological Studies of Epiphytic Microalgae and Epiphytic Zooplankton on Seaweeds of the Eastern Harbor, Alexandria, EgyptN. G. Shams El-Din, N. A. Shaltout, M. Z. Nassar, A. SolimanA qualitative and quantitative study on the epiphytic microalgae and epiphytic zooplankton were conducted in order to follow up their community structures on seaweeds in relation to some physico-chemical variables in the coastal waters of the Eastern Harbor of Alexandria. Water and macroalgal samples were collected seasonally during two years successively: Winter, summer, autumn (2012) and spring (2013). The collected … …American Journal of Environmental Sciences, Vol. 11, Issue 6 · 9 Dec 2015 · 7,587 accessesView PDFCite
Research ArticleOpen accessIn the abstractEgronomic Fingerprint Scanner Design for People with Motor Neuron DiseasesAbdulkareem Al-Alwani, Majdi BeseisoFingerprint devices have evolved with time for authentication and identification purposes. It is used in generic security and social applications where identification and logging is required when entering that premises. In some circumstances the lag time increases due to increase in human entrees such as at immigration points, airports, random security checkups, attendance loggers. The increase in overall time due … …American Journal of Applied Sciences, Vol. 10, Issue 12 · 28 Oct 2013 · 6,478 accessesView PDFCite
Research ArticleOpen accessIn the abstractVibration Analysis of Gasoline Engine FaultsSuphattharachai ChomphanVibration analysis of engine faults is an approach to diagnose the engine condition. This study presents a study of vibration analysis of the normal engine and the engine with three different fault conditions. The gasoline engine was selected in this study. The accelerometer has been used at the surface of the engine to measure the vibration in the form of … …American Journal of Applied Sciences, Vol. 10, Issue 10 · 5 Sep 2013 · 6,870 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Low Temperature on the Fabrication of Microring Resonator by Wet EtchingHazura Haroon, Sahbudin Shaari, P. Susthitha Menon et al.Research related to semiconductor devices often relies on wafer fabrication. The fabrication of Silicon (Si) based devices by anisotropic wet etching can be affected by many etching parameters such as etching temperature, crystal orientation and percent of composition. Most of the anisotropic wet etchings by KOH solution done before were conducted at temperature over 70°C. We found that the temperatures … …American Journal of Applied Sciences, Vol. 9, Issue 12 · 7 Nov 2012 · 7,126 accessesView PDFCite
Research ArticleOpen accessIn the abstractDeveloping a System for Antibacterial Treatment of Dental Caries using Culture Based ApproachM. Mishra, S. Ghosh, L. E. Alex et al.Problem statement: Dental caries is a chronic disease worldwide, caused mainly by microbes. The orthograde approaches still remain the only option of treatment. Lack of rapid antibiotic sensitivity determination of the dental pathogen is a rate limiting step in the field of Dental Microbiology. Approach: The culture dependent analysis was used for the study of oral microflora from five healthy … …OnLine Journal of Biological Sciences, Vol. 12, Issue 2 · 18 May 2012 · 9,061 accessesView PDFCite
Research ArticleOpen accessIn the abstractThermodynamic Characteristics of Camel’s Urine as an Inhibitor for Mild Steel in 1.5 M H2SO4 Acid SolutionEhteram A. Noor, Azza A. Al-Ghamdi, Aisha H. Al-MoubarakiProblem statement: The corrosion inhibition of mild steel in 1.5 M H2SO4 by Camel’s Urine (CU) addition was evaluated at five different temperatures in the range from 30-70°C by weight loss measurements. CU acts as a good inhibitor for the corrosion of mild steel in 1.5 M H2SO4. The value of inhibition efficiency increases with increasing both inhibitor concentration and … …American Journal of Applied Sciences, Vol. 8, Issue 12 · 22 Oct 2011 · 7,369 accessesView PDFCite
Research ArticleOpen accessIn the abstractPreparation 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 abstractResearch in the Improvement of Wettability of Micro-Structure in Patterned ElectrodepositionLi Guangyang, Wang Hong, Yuan Yang et al.Problem statement: The high aspect-ratio electrodeposition was widely used in the manufacture of non-silicon MEMS devices. The wetting of high aspect-ratio micro-structure in electrolyte was important to the uniformity of micro-structure. Approach: In this study, to enhance the wettability of micro-structures in electrolyte, the effect of Sodium Dodecyl Sulfate (SDS) and O2 plasma surface modification were discussed. Contact Angles (CA) … …Current Research in Nanotechnology, Vol. 1, Issue 1 · 15 Jun 2011 · 7,275 accessesView PDFCite
Research ArticleOpen accessIn the abstractStructure of Lamellae and Chloride Cell in the Gill of Alosa Caspio Caspio (Clupeidae, Teleostei)Z. Saadatfar, D. ShahsavaniAs a surface for respiratory gas diffusion, ion regulation and waste excretion, gill epithelium of Alosa Caspio Caspio has been investigated. Problem statement: Surely, morphological study of gill cells is the main route for giving the basic data which can be inductive for physiological and pathological investigations. Approach: Gills were removed from Alosa Caspio which is from euryhaline species and … …American Journal of Applied Sciences, Vol. 8, Issue 6 · 13 Jun 2011 · 6,881 accessesView PDFCite
Research ArticleOpen accessIn the abstractResponse of SAI Afferents May Play a Role in the Perception of Velvet Hand IllusionAbdullah Chami, Masahiro Ohka, Yuji Kawabe, Hanafiah Bin YussofProblem statement: We revealed the reason behind a haptic illusion called the Velvet Hand Illusion (VHI) by FEM analysis. In VHI, a person rubs his/her hands together on both sides of wires strung through a frame and produces the sensation of rubbing a very smooth and soft surface like velvet. We focus on VHI to determine the specifications of an … …Journal of Computer Science, Vol. 6, Issue 8 · 31 Aug 2010 · 6,993 accessesView PDFCite