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Online since: December 2024
Authors: Glenn Ongayo, Phoebe Ann Magallanes
Graphene Oxide was synthesized according to the modified Hummer’s method as described by Paulchamy et al. (2015) [15].
The linear form of the Freundlich equation can be expressed in the following equation as described by Boparai et al. (2011) [18]:
Moreover, a study by White et al. (2018) stated that precipitation of copper as Cu(OH)2 is more likely to be dominant than Cu(II) ions as pH>7.
Yang, Micro characterization and degradation mechanism of liquid silicone rubber used for external insulation, IEEE T Dielect El In. 22 (2015) 313-321
Online since: October 2021
Authors: Turup Mohan, Olusegun Adigun Afolabi, Krishnan Kanny
Wouterson et al. [3] reported a different trend in the values of Etρ which is subject to the type of microsphere used, a linear increase in Etρ was observed for K46 type of microsphere, whereas K15 microspheres show a constant trend with no noticeable increase in the value of Etρ but the phenolic microspheres decrease in Etρ as the volume fraction of HGM increases.
Wouterson et al. [3], also reported a similar case whereby the σf/ ρ was maximum at the concentration with the highest HGM volume fraction.
Ding, et al., Compressive properties of co-continuous hollow glass microsphere/epoxy resin syntactic foams prepared using resin transfer molding.
El-Hadek, H.
Online since: June 2024
Authors: Ahmed M. Tahwia, Nirmen Abdelaziz, Ashraf Mohamed Heniegal, Mohamed Amin
Al-Kroom et al. [17] also indicated that adding crushed clay bricks improved the durability of structurally recycled lightweight concrete.
Moreover, Ahmad et al. [9] concluded that plastic aggregate weakens concrete, but plastic fibers can enhance its durability.
In this work, CEM I 52.5 Portland cement is produced by El-Aresh Company Egypt, and its tests were confirmed to comply with BSEN197/1 2011 [37] and ESS ES4756/1 2013 [38].
HRWR has a specific gravity equal al 1.09, and it meets the requirements according to ASTM C 494 Type G [42].
Al-Kroom, M.
Online since: November 2011
Authors: Zhong Qiu Cao, Rong Xue, Jing Bian, Ya Jun Fu
Introduction Nanocrystalline powders can be prepared by a lot of methods such as mechanically alloying (MA), electro-deposition, electroless deposition and chemical reduction et al.
El-Sherik: Scripta Metall.
Online since: November 2010
Authors: S.J. Ojolo, A.O. Adelaja
The present work is an improvement on the forced convection dryer developed by Adelaja et al. [15].
El-Shiatry, J.
Online since: June 2014
Authors: Xiao Jun Wang, Chao Lian Tu, Zu Shan Wang
Based on the research on the contents and features of eco-civilization construction, Song(2008), Chang(2009) and et al chose three levels with several indices in each level to construct the indexes system of evaluating the socialism eco-civilization, and then calculated the weight of three-class index by use of AHP method after asking the experts for advice[2] [3] [5].
Based on the PSR model, He and at el (2011) designed the four-class frame structure of system-goal-criteria-index to construct the evaluation indices system comprising 30 indexes in four aspects as the status of urban eco-civilization, pressure, renovation and support, and then comprehensively evaluated the eco-civilization construction level of Changsha city in Hunan province during the year of 2005-2009 by use of entropy evaluation method[7] [8] [9].
Online since: December 2012
Authors: Lilian Tichagwa, Henry H. Mungondori
The results obtained by Natarajan et.al [18] demonstrated that highly adhered nanotube array can effectively be used for photo-catalytic degradation of congo red dye in the presence of UV-LED light irradiation.
El Mir, S.
Online since: September 2018
Authors: Muhammad Qasim, Oluwole Daniel Makinde, M. Idrees Afridi, Najeeb Alam Khan
Among these, the local non-similarity method proposed by Sparrow et al. [18] has been successfully applied by the researchers in the field to solve these non-similar equations [19-25].
EL-Kabeir, Natural convection flow of a nanofluid along a vertical plate with stream wise temperature variations, Heat Transfer Asian Research, 45 (2016) 499-514
Online since: September 2015
Authors: Aarón Merino García, Salvador Bueno, Rosendo J. Galán Arboledas
El Cruce.
A similar mechanical resistance loss value is also described in [8] by Demir et al. for the incorporation of 2.5 wt. % of kraft pulp, although in this case a density decrease of 18% is achieved.
Online since: February 2020
Authors: Jiří Teslík, Barbora Hrubá, Filip Khestl, Marek Jašek, Petr Kurečka
Chemical fibres from synthetic polymers ­ Polyamides (such as PA 6, PA 66, Kevlar) ­ Polyesters (such as PES 2, PEN) ­ Vinyl derivatives (such as PAN, PVC, PVA) ­ Polyolefin’s (such as PE, PP) ­ Polyurethanes (such as EL) ­ Special (such as PBO, PBI) Table 1 contains values of the thermal conductivity coefficient of selected thermal insulations from textile fibres.
AL-Oqla and S.M.
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