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Online since: August 2018
Authors: Dan Li, Xue Wen Ma, Qing Chen Dong, Jing Li, Rui Fang Wu, Wen Ting Liang, Wen Juan Dong, Chuan Dong
Surface β-Cyclodextrin Polymer Coated Fe3O4 Magnetic Nanoparticles: Synthesis, Characterization and Application on Efficient Adsorption of Malachite Green Wenting Liang1a*, Dan Li1b, Xuewen Ma1c, Wenjuan Dong1d, Jing Li1e, Ruifang Wu1f, Chuan Dong1g, Qingchen Dong2h* 1Institute of Enviromental Science, College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China 2Ministry of Education Key Laboratory of Interface Science and Engineering in Advanced Materials, Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan, 030024, China.
Particularly, due to the high surface area and easy to manipulate with an external magnetic field, magnetic carrier technology (MCT) based on the magnetic materials have attracted more and more attention in waste water treatment of getting rid of organic and inorganic pollutants [10-15].
They are commonly used as a functional hydrophilic moiety for synthesis of water soluble polymer materials and carriers for hydrophobic drugs.
Xu, Magnetic dendritic materials for highly efficient adsorption of dyes and drugs.
Online since: July 2013
Authors: Georges Kouroussis, Olivier Verlinden, Lassaad Ben Fekih
Lassaad Ben Fekih1,a, Georges Kouroussis,1,b, and Olivier Verlinden1,c 1Faculty of Engineering, University of Mons, 20 Place du Parc, 7000 Mons, Belgium alassaad.benfekih@umons.ac.be, bgeorges.kouroussis@umons.ac.be, colivier.verlinden@umons.ac.be Keywords : BGA, random vibration, HCF spectral methods, aerospace.
A first section of this work is devoted to review some key spectral methods.
σiGD = σia 1 − σim Rm (11) where Rm is the ultimate tensile stress of the material of interest.
Table 1: BGA geometry and material properties.
- Implement more realistic non linear damage accumulation laws for the solder material.
Online since: May 2011
Authors: Abdullah M Alsugair, Mansour M. Abuthnain
., Civil Engineering Department, College of Engineering King Saud University, P.O.Box 800, Riyadh 11421, Saudi Arabia 2Saudi Program for Strategic Storage, P.O.Box 103088, Riyadh 11695, Saudi Arabia aamsugair@ksu.edu.sa, babu_thnain@yahoo.com Key Words: contractor classification, contractor prequalification, award procedure, qualification, contractor selection.
References [1] Edyta Plebankiewicz, ” Construction Contractor Prequalification From Polish Clients’ Perspective”, Journal of Civil Engineering and Management, 16(1), (2010), pp 57–64
Management in Engineering, ASCE, Vol. 15 No.2, March/April, (1999), PP. 72-78,
Alsugair, "Impact of Mandatory Medical Insurance on Construction contractor in Saudi Arabia", Advanced Materials Research Vols. 163 – 167, (2011), pp 4529-4534
“Elements of cost estimating: a survey in Canada and the United States” ,Cost Engineering, Vol. 37(5), (1995), pp. 27-33
Online since: May 2012
Authors: Jian Hua Sun, Ke Qin Sun, Wen Jing Fan
Huang: Journal of Engineering Geology.
Jin: Engineering Education and Management.
Huo: Advanced Materials Research.
Lu: Systems Engineering: Theory & Practice, Vol. 29, No. 11, (2009): pp. 1-18.
Munda: Bulletin of Earthquake Engineering.
Online since: September 2014
Authors: Uwe Heisel, Hadi Ghassemi, Thomas Stehle
The investigated material corresponds to the material of conventional circular saw blade for wood cutting process.
To better clarify the differences between the one-third and full-circle models, the key data of mesh generation and required computing time to solve the problem and required memory capacity of the data are listed in Table 2.
In addition, in the experimental determination of the material properties, a negligible anisotropy material behavior (less than 2.64 %) was detected [6].
On account of this, the material model was assumed as homogeneous in FE-Model.
Thus the engineer or technician can set the optimal roll tensioning parameters without requiring much professional experience.
Online since: July 2016
Authors: Harald Schmidt
The diffusion of lithium in solid materials used in secondary Li-ion batteries is one of the key parameters that determine the rate at which a battery can be charged and discharged and consequently the power density.
Hackney (Eds.), High energy density lithium batteries: Materials, engineering, applications, Wiley-VCH, Weimheim, 2010
Chen, Recent Progress in Advanced Materials for Lithium Ion Batteries, Materials 6 (2013) 156–183
Nuclear Materials 203 (1993) 43–49
Song, Characterization and improvement of water compatibility of γ-LiAlO2 ceramic breeders, Fusion Engineering and Design 85 (2010) 1162–1166
Online since: March 2012
Authors: Wojciech Wajda, Henryk Paul
Inverse technique was used to obtain material model parameters.
Huang: Mechanical report 178, Division of Engineering and Applied Sciences, Harvard University, Cambridge, 1999, Massachusetts
Blicharski: Archives of Metallurgy and Materials Vol. 51 (2006), p. 177
Wajda: Materials Science and Engineering A Vol. 477 (2008), p. 282
Paul: Mechanics of Advanced Materials and Structures Vol. 14 (2007), p. 687
Online since: June 2019
Authors: E. Frank Sandig, Dmitry Chebykin, Valentyna V. Prutchykova, Olga Fabrychnaya, Olena Volkova
Among those, the element copper poses special challenges for materials technologists.
Sci. and Engineering 182.1 (2017), p. 012032
Massalski, 2nd ed., ASM International, Materials Park, OH, 1990
Sci. and Engineering: A 135.Supplement C (1991), pp. 83-88
Li, Exploration on Decoppering of Molten Steel by Filtering, Engineering Chemistry and Metallurgy 21.5 (Mar. 2000), pp. 314-317
Online since: November 2017
Authors: Savko Malinov, Jordan Graham, Roy Douglas, Rose Mary Stalker
The Influence of Temperature and Alloy Composition on Austenitic Stainless Steel Oxidation Resistance Jordan Graham1,a*, Savko Malinov1,b, Roy Douglas1,c, Rose Mary Stalker2,d 1School of Mechanical & Aerospace Engineering, Queen’s University Belfast, Ashby Building, Stranmillis Rd, Belfast, BT9 5AG, UK 2Catagen, 5 Elmbank Channel Commercial Park, Queen’s Road, Titanic Quarter, Belfast, BT3 9DT, UK ajgraham53@qub.ac.uk, bs.malinov@qub.ac.uk, cr.douglas@qub.ac.uk, drosemary@catagen.co.uk Keywords High temperature oxidation, Stainless steel, Oxidation kinetics, AISI 316L, AISI 310S, Internal oxidation, Elemental mapping.
It is clear that the key factor determining ongoing oxidation resistance is the alloys ability to maintain its protective Cr-rich oxide layer.
Experimental Procedures Material.
The key difference between the two alloys is the Cr content in the base alloy which plays an important role in their ability to form, and crucially, maintain a protective oxide layer upon exposure to high temperature.
Online since: July 2019
Authors: Ofélia de Queiroz Fernandes Araújo, José Luiz de Medeiros, George Victor Brigagão, Lara de Oliveira Arinelli
However, a known key feature of those plants is that full-scale typical commercial capacities would require exclusive tonnage Air Separation Units (ASUs) supplying many thousands tons of gaseous oxygen (GOX) per day [1].
These units, hereinafter called as FULL-TSA, are inevitably featured by large vessels with large inventory of adsorbent material and high heating demand for regeneration.
SS then acts as principal purification step, leaving only ≈56 ppm mol H2O (16.5°C, 3.12 bar) to be handled by a small finishing TSA step, meaning ≈98.6% of water recovery for 98.59% of pressure recovery (ΔP=4.5 kPa), an excellent performance that is a key feature that makes SS-TSA superior to conventional FULL-TSA, since steam consumption is drastically reduced for a tiny increase on electricity demand, as disclosed in the utilities consumption summary shown in Table 1.
Gibbins, Oxy combustion processes for CO2 capture from power plant, IEA Greenhouse Gas R&D Programme: Engineering Investigation Report, 2005
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