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Online since: August 2016
Authors: Marvin U. Herrera, Maria Carmela Garcia, Dustin Loren Almanza, Alenn Prodigalidad
The pellets were then heat treated at 100°C for 30 minutes so that the grains would fuse together to form junctions.
Fig. 1. indicates that the highest percent degradation occurs at 50:50 ZnO-CuO volume fraction, where the sample is expected to have the most number of ZnO-CuO interfaces.
The presence of more ZnO-CuO interfaces in the sample increases the number of sites where electron-hole pairs may form, therefore enhancing the photocatalytic reaction of the material and allows it to be triggered by visible light.
Fig. 1. indicates that the highest percent degradation occurs at 50:50 ZnO-CuO volume fraction, where the sample is expected to have the most number of ZnO-CuO interfaces.
The presence of more ZnO-CuO interfaces in the sample increases the number of sites where electron-hole pairs may form, therefore enhancing the photocatalytic reaction of the material and allows it to be triggered by visible light.
Online since: May 2010
Authors: Bo Jiang, Guo Zheng Wang
One project can be constituted by multiple design documents; a design document
can contain a number of transparent layers; while the same layer can be made up of a graphic (image)
object or object group (by a number of objects constituting a unified operation set).
Newman-Wolfe et al.: "MACE: A Fine Grained Concurrent Editor", Proc. of ACM COCS Conf.
Newman-Wolfe et al.: "MACE: A Fine Grained Concurrent Editor", Proc. of ACM COCS Conf.
Online since: March 2013
Authors: Yan Bo Peng, Wei Na Xue
As shown in the figure, the percentage removal increased with the increase of biosorbent dose before 20g/L, this is due to the increased surface area of the biosorbent, which in turn increases the number of binding sites.
The higher biosorbent loading could produce a ‘screen’ effect on the cell wall, protecting the binding sites, thus resulting in lower Pb(Ⅱ) ions adsorption per unit of sorbent May be due to the adsorbent overlap and polymerization, adsorbent grain size increases, the relative surface area is reduced, or effective adsorption sites decreases,so adsorption rate to decrease. 3.3 Effect of contact time The biosorption rate of Pb(Ⅱ) is exemplified in Fig. 3.
Conclusions The results of present studies showed that Pb(Ⅱ) ions could be effectively adsorbed by the.new material:industrial fermentation waste Aspergillus niger free dry mycelium.The A.niger is found to has high adsorption ability toward many metal cations because of a large number of chemically active hydroxyl and amino groups, high hydrophilicity, and flexible polymer chains on the cell wall that make fungi mycelium compatible with the adsorption of Pb(Ⅱ) ions.
The higher biosorbent loading could produce a ‘screen’ effect on the cell wall, protecting the binding sites, thus resulting in lower Pb(Ⅱ) ions adsorption per unit of sorbent May be due to the adsorbent overlap and polymerization, adsorbent grain size increases, the relative surface area is reduced, or effective adsorption sites decreases,so adsorption rate to decrease. 3.3 Effect of contact time The biosorption rate of Pb(Ⅱ) is exemplified in Fig. 3.
Conclusions The results of present studies showed that Pb(Ⅱ) ions could be effectively adsorbed by the.new material:industrial fermentation waste Aspergillus niger free dry mycelium.The A.niger is found to has high adsorption ability toward many metal cations because of a large number of chemically active hydroxyl and amino groups, high hydrophilicity, and flexible polymer chains on the cell wall that make fungi mycelium compatible with the adsorption of Pb(Ⅱ) ions.
Online since: October 2006
Authors: Moo Young Huh, Hyung Gu Kang, C.K. Kang
In order to observe the orientation distribution of grains throughout
the whole sample thickness, the longitudinal sections of the asymmetrically rolled samples were
prepared by careful grinding and polishing.
This FEM result indicates that asymmetrical rolling with a large number of rolling passes promotes the shear deformation, which reflects the evolution of strong shear textures in the sample rolled by four passes as shown in Fig. 2.
The FEM calculations indicate that asymmetrical rolling with a large number of rolling passes promotes the shear deformation, which results in the formation of shear textures.
This FEM result indicates that asymmetrical rolling with a large number of rolling passes promotes the shear deformation, which reflects the evolution of strong shear textures in the sample rolled by four passes as shown in Fig. 2.
The FEM calculations indicate that asymmetrical rolling with a large number of rolling passes promotes the shear deformation, which results in the formation of shear textures.
Online since: December 2009
Authors: Rattikorn Yimnirun, Yongyut Laosiritaworn, Sukrit Sucharitakul
Historically, a number of models, e.g. grain boundary model [4, 5, 6], domainwall
pinning model [7], and volume effect model [8], have been proposed to explain the origin of
aging.
As for exponents of frequency, there are both positive and negative numbers.
As for exponents of frequency, there are both positive and negative numbers.
Online since: March 2010
Authors: Ying Xu, Yu Bo Dou
The whole process is confirmed by the ways of observation in
front of furnace, while the mixed materials are completely fused, vitrification, and there is no scruff,
unfused sand grain, bubble, then the crucible is took out by proper way and moulding model is
poured.
Writer' phone number: 13503259969 fax number: 0315-2592354 e-mail address:yuyingdd@yahoo.com.cn References [1].
Writer' phone number: 13503259969 fax number: 0315-2592354 e-mail address:yuyingdd@yahoo.com.cn References [1].
Online since: July 2012
Authors: Qing Shan Ji, Hong Yan Hao
In the high temperature state, gas-forming quantity of furan resin sand is larger than ordinary clay sand one times, and large pieces cast iron and cast-contact surfaces are not instantaneous solidification, which results a large number of gas into liquid iron.
(2)Grain shape and size: The original sand should try to use the angular coefficient low round or oval sand.
When cast has a large number of gas, the molten steel has established a sufficient static pressure, which can prevent the intrusion of the gas, reduce the sand thermal radiation time, and prevent the high temperature molten steel a long time thermal effect, caused the paint, sand off, and resulted in trachoma and other casting defects.
(2)Grain shape and size: The original sand should try to use the angular coefficient low round or oval sand.
When cast has a large number of gas, the molten steel has established a sufficient static pressure, which can prevent the intrusion of the gas, reduce the sand thermal radiation time, and prevent the high temperature molten steel a long time thermal effect, caused the paint, sand off, and resulted in trachoma and other casting defects.
Online since: December 2012
Authors: Song Feng Lu, Yu Zhang, Jie Sun, Liping Yang
For each attribute i, it selects a random element ti ∈ Zp
and denote by Amax the number of all attributes.
Let |G| and |GT| represent size of an element of G and that of GT respectively, and we denote by d the number of all attributes.
Attribute Based Encryption for Fine-Grained Aceess Control of Encrypted Data.
Let |G| and |GT| represent size of an element of G and that of GT respectively, and we denote by d the number of all attributes.
Attribute Based Encryption for Fine-Grained Aceess Control of Encrypted Data.
Online since: July 2013
Authors: Lan Fang Yao, Xin Pei Yan, Xiong Tang, Jun Long Kang
TiO2 as a fascinating semiconductor material is increasingly used in photo-assisted degradation and complete mineralization reactions of a large number of toxic organic compounds in the quest to dispose of environmental contaminants in aqueous and atmospheric ecosystems[1].
It has a number of advantageous properties such as high dielectric constant, excellent optical transmittance, high chemical stability, low cost and nontoxicity.
Grain boundary blocking and segregation effect in yttrium-doped polycrystalline titanium dioxide.
It has a number of advantageous properties such as high dielectric constant, excellent optical transmittance, high chemical stability, low cost and nontoxicity.
Grain boundary blocking and segregation effect in yttrium-doped polycrystalline titanium dioxide.
Online since: November 2015
Authors: Ancuţa Păcurar, Razvan Păcurar
As regarding the mesh of the 3D model generated by the Femap NX Nastran program (see Figure 3b), this has been constructed as having a total number of 177.686 nodes and 142.076 finite elements.
As one may observe in these graphics, in all three cases a total number of 14 iterations were necessary to be done in order to perform the optimization.
Zavacka, Effect of drawing tubes without interoperation recrystallization annealing on the orientation of boundaries grain – longitudinal direction, Applied Mechanics and Materials 421 (2013) 329-333 [8] Z.
As one may observe in these graphics, in all three cases a total number of 14 iterations were necessary to be done in order to perform the optimization.
Zavacka, Effect of drawing tubes without interoperation recrystallization annealing on the orientation of boundaries grain – longitudinal direction, Applied Mechanics and Materials 421 (2013) 329-333 [8] Z.