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Online since: March 2012
Authors: Zhi Fu Wu, Su Juan Li
IRIS Intrepid II ICP-OES).The content of hydrogen was analyzed by Elementar Vario EL-III Element Analyzer(Made in Germany), with the temperature of combustion tube 950oC and the temperature of reduction tube 500oC .
In the fingerprint group region, the high-frequency component band of the band triplet relates to Al–O–Al conjunctions and the low-frequency component band relates to Bi–O–Bi conjunctions.
Meanwhile, bands in the 800–600cm–1 range are assigned to the stretching vibrations of the AlO4 tetrahedron and to Al–O–Al bending vibrations of the tetrahedral pairs.
Absorptions in the 508cm–1 range are essentially determined by Al–O stretching modes[11] of the Al cations in octahedral coordination.
G.; Santiago, M. et al.
Online since: June 2011
Authors: E.M. Arce Estrada, R. Carrera, S. Castillo, A.L. Vázquez
Carrera1,a* A.L.
Carrera, A.L.
Fuentes: Análisis de minerales y el método de Rietveld.
Online since: March 2020
Authors: Mohamed Bouzit, Houssem Laidoudi, Mourad Mokeddem
Furthermore, the present geometry was taken from the work of Bara et al. [20].
This value is chosen from the work of Bara et al. [20].
Malheiro et al.
Nayak et al.
Soltanipour et al.
Online since: September 2018
Authors: S.U. Mamatha, Putta Durga Prasad, Chakravarthula S.K. Raju, Oluwole Daniel Makinde, K.A. Ajmath, Mahesha Mahesha
Barbara et al. [3] studied non-Newtonian blood flow in four right human coronary arteries.
Raju et al. [6] studied stagnation-point flow of a ferrofluid over a stretching sheet.
Nadeem et al. [24] addressed nano hyperbolic tangent fluid in a curved channel.
Comparison of the results for local Nusselt number with Pr Present Study Lakshmiet al
[22] El-Aziz [17 ] Ishak [16 ] 0.72 0.8075 0.808630 0.80873 0.8086 1.0 1.0000 1.0000 1.0000 1.0000 3.0 1.9146 1.92367 1.92368 1.9237 10.0 3.6516 3.72067 3.7207 3.7207 100 12.2936 12.294087 12.2941 12.2941 Table 1 shows the comparative study of the present result with the published results.
Online since: March 2010
Authors: Thomas H. Hyde, Sean B. Leen, Aditya A. Deshpande
The multiaxial equations for the two-layer viscoplastic model are defined as follows: Ισ σε )( 1 v v v v el v tr KK     (1) Ισ σε )( 1 p p p p el p tr KK     (2)  vvv εεKσ  : (3)  ppp εεKσ  : (4) vp σσσ  (5)with the yield surface defined by:   0  ασ pf (6) where  0 is the current size of the yield surface and  ασ pf is the equivalent (von Mises) stress with the back stress α defined as:      dev p dev p pf αSαSασ   : 2 3 (7) where dev α is the deviatoric part of the back stress and pS is the deviatoric (plastic) stress tensor.
Thomas et al. [18] showed that for the same strain amplitude, the creep-fatigue damage of Inconel 738 material for temperature cycles of 500 to 850ºC was more severe than for isothermal testing at 850ºC.
Similarly, for the nickel base superalloy MAR-M-200, Bill et al. [19] observed that TMF in phase lives, for temperature variations from 450 to 1000ºC were significantly shorter than their isothermal counterparts.
Huang et al. [21], in terms of the performance of the Ostergren and Zamrik models.
Online since: May 2024
Authors: Nadir Boutasseta, Djamel Edinne Gaagaia, Youssouf Yaklef, Khmissi Belkaid, Badreddine Boubir, Hamza Aouaichia, Tahar Temam Guettaf
/p GEF2 100% Al GEM1 WPC30wt.
/p and lower than GEF2, 100% Al, GEM1, WPC30wt., and C/C.
Gaagaia et al., “Development and mechanical properties investigation of novel Kevlar/E-Glass/Washingtonia Filifera/E-Glass/Epoxy hybrid laminated composite,” Compos.
El-Wazery, M.
El-Elamy, and S.
Online since: June 2023
Authors: G. Sivakumar, S. Manjula, A. Sarathkumar
Shavel et al. reported the controlled synthesis of CZTS nanocrystals using surfactants such as oleyl amine (OLA) and obtaining a degradation efficiency of 60% in 240 mins [34].
El Radaf, P.
El-Bana, Multifunctional CZTS thin films: structural, optoelectrical, electrical and photovoltaic properties, Journal of Alloys and Compounds 757 (2018) 124-133
[33] Mkawi EM, Al-Hadeethi Y, Al-Hartomy O, Bekyarova E.
Online since: January 2016
Authors: Abderrahim Guittoum, Abdennour El Mohri, K. Taibi, M. Azzaz
El Mohria, A.
Among the elements used in order to render iron structures lighter, Mg and Al are often used for this purpose.
Hightower et al [8] investigated the structure of the MA-induced state in a broad composition range.
Dorofeev, A.L.
Yelsukov, A.L.
Online since: December 2013
Authors: Raed Hashaikeh, Lin Li, Hassan A. Arafat
., et al., Life‐cycle Assessment of Bio‐based Polymers and Natural Fiber Composites.
[9] Schmack, G., et al., High‐speed melt spinning of various grades of polylactides.
[17] Huang, C., et al., Electrospun polymer nanofibres with small diameters.
[21] El-Bourawi, M., et al., A framework for better understanding membrane distillation separation process.
[38] Liu, Y., et al., Controlling numbers and sizes of beads in electrospun nanofibers.
Online since: August 2011
Authors: Kui Lin Deng, Hai Bin Zhong, Yu’e Shi, Jian Zuo, Chun Yan Jiang, Na Li, Xiao Jing Ji, Peng Fei Zhang, Xiao Bo Ren
Lee et al also found that the LCST in the acid medium was increased with decreasing pH of PBS due to the ionization degree of the amine groups [12].
El-Sherbiny, R.J.
Abdel-Bary, et al: Eur.
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