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Online since: January 2012
Authors: Konstantinos Zekentes, Edwige Bano, Konstantinos Rogdakis
Contrarily, the transistors reported in [1[ and [4], with ohmic contacts on the drain and source sides will be called “ohmic contact SiC NWFETs” Note that both theoretical and experimental studies of SiC NWFETs are relative to back-gated MOS structures in which the NWs are considered to be doped with donors along their whole length.
Although the real device capacitance is in the order of atto-Farad and is difficult to be experimentally measured, it can be estimated by considering that the whole structure can be described as a capacitor having a cylinder, the nanowire, as one plate and the highly-doped substrate as the other plate.
According to the corresponding bibliography, SiC NWs have been grown by a variety of ‘chemistry-driven’ experimental configurations using different growth mechanisms [[] K.
In summary, it is difficult to obtain monocrystalline SiC NWs without extended defects like SFs and low residual doping with the low cost ‘chemistry-driven’ methods used up to now [11].
Online since: November 2015
Authors: Chao Tu
Study about Stability of Cacao Husk Pigment and Its Dyeing Properties on Cotton Chao Tu College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan Hubei 430073, PR China.
There are many natural dyes chemical structure, according to the chemical composition can be divided into carotenoids, anthraquinone, naphthalene quinones, flavonoids, curcumin, indigo, chlorophyll a total of 7 class [7-8].
The significant increase in the UPF value confirms the possible impact of the mordanting process on chemical structure like Conjugate effect[10].
Natural dyes: classification, chemistry and extraction methods [J].
Online since: April 2015
Authors: Jian Xin Dong, Zhi Hao Yao, Mai Cang Zhang, Jian Shui Ye, Lei Zheng
Inconel 740 with chemistry composition of Si(0.5wt.%), Nb(2.0wt.%), B(0.004wt.%) is more susceptible to liquid cracking in the HAZ and FZ in comparison to Inconel 740H with chemistry composition of Si(0.2wt.%), Nb(1.5wt.%), B(0.001wt.%) when the plate thickness is over 12.7mm [3].
As shown in Fig. 7(B), this mechanism of competitive growth dominates the grain structure of FZ [7].
A: weld dendritic structure.
Online since: November 2007
Authors: Sergey V. Dorozhkin, Faik Nuzhet Oktar, Oguzhan Gunduz
Results The experimental results revealed that, irrespective of the preparation technique employed and the experimental conditions chosen, after sintering the final compounds had always the structure and properties of a three-phase composition of silicon-stabilized α-tricalcium phosphate (Si-αTCP), well-crystallized hydroxyapatite (HA) and β-tricalcium phosphate (β-TCP).
This was a clear indication to the classical rules of inorganic chemistry: after a precipitate was formed, the excess of the chemicals remained in the bulk solution.
Elliott: Structure and chemistry of the apatites and other calcium orthophosphates.
Online since: October 2010
Authors: Chun Hua Zhang, Jin Bao Zhang, Mu Chao Qu, Jian Nan Zhang
Toughness properties of basalt /carbon fiber hybrid composites Chun-hua Zhang1, a*, Jin-bao Zhang2,b, Mu-chao Qu1, a and Jian-nan Zhang3,c, 1 Harbin Institute of Technology, P.O.Box410, Harbin, 150001, China; 2China North Industries Group Corporation Institute 53, Jinan, 250031, China; 3Applied Chemistry, School of Chemistry and Environment, Beihang University ) a E-mai:l zhangchunhua@ hit. edu. cn , bemail:zjb0452@126.com , cemail:zhangjiannan19880712@sina.com Keywords: Basalt fibers; Carbon fibers; Hybrid composites; Toughness properties; Abstract.
Hence, improvement of the fracture property of carbon fiber composite has been one of the main issues for current composite structures.
The damage tolerance of the hybrid composite structure would benefit from the basalt fiber material applied in this way, and it is remarkably higher than that of the plain carbon specimen.
Online since: August 2013
Authors: Ying Wang, Xin Yi Zheng, Dong Sheng Zhang, Gui Juan Yang
However, the biological complex internal structure and some unique properties is still not clear, so the relationship between the shown growth trend and the electric field strength requiring further study.
Due to the complexity of the cell structure, we would like to learn more about the biological effects of electromagnetic fields, avoid the weaknesses, so that they are used better for human.
Bioelectro chemistry, Vol. 63(2004), p. 337-341 [6] Y.Z.
Lei , chemistry experimental water for aquaculture environment , China Agriculture Press,2006. p. 60-62 [7] L.M.
Online since: April 2019
Authors: Pedro Carreira, Saeed D. Mohan, Fred J. Davis, Meruyert Nazhipkyzy, Artur Mateus, Geoffrey R. Mitchell, Cyril Santos
Davis2,e, Artur Mateus1,f and Geoffrey R Mitchell1,g* 1Centre for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Portugal 2Department of Chemistry, University of Reading, Whiteknights, RG6 6AD, UK 3Institute of Combustion Problems, Al-Farabi Kazah National University Almaty, Kazakhstan as.d.mohan@reading.ac.uk, bmeruert82@mail.ru, cpedro.s.carreira@ipleiria.pt, dcyril.santos@ipleiria.pt, ef.j.davis@reading.ac.uk, fartur.mateus@ipleiria.pt, ggeoffrey.mitchell@ipleiria.pt * corresponding author Keywords: Additive manufacturing, carbon nanotubes, electrospinning, stereo-lithography Abstract.
The methodology that we use in this article involves encapsulation within a fibrillar structure, where the process of drawing out and enclosing into a narrow diameter fibre can result in the nanoparticles alignment.
Lee, A review on carbon nanotubes and graphene as fillers in reinforced polymer nanocomposites, Journal of Industrial and Engineering Chemistry 21 (2015) 11-25
Peng, Toughening of epoxy resin with functionalized core‐sheath structured PAN/SBS electrospun fibers, Journal of Applied Polymer Science 131 (2014) [14] C.
Online since: July 2015
Authors: A.H. Mayabadi, V.S. Waman, A.M. Funde, H.M. Pathan, S.R. Jadkar
Among the semiconductor/TiO2 systems, the SnO2/TiO2 heterostructure is widely investigated because of tetragonal structure in which the lattice parameters of rutile TiO2 (a = b = 0.458 nm, c = 0.295 nm) and SnO2 (a = b = 0.472 nm and c = 0.317 nm) are very close.
For example, Yan et al. [7] studied the effects of calcination on the morphology and the electrochemical performance of TiO2 nanotubes whereas Luis and co-workers [8] has investigated the influence of heating rates on the crystal structure and the particle size of TiO2 powders.
Chen, Effect of heat treatment on the morphology and electrochemical performance of TiO2 nanotubes as anode materials for lithium-ion batteries, Materials Chemistry and Physics 118 (2009) 367-370
Monteiro, Influence of calcination parameters on the TiO2 photocatalytic properties, Materials Chemistry and Physics 125 (2011) 20-25
Online since: March 2011
Authors: Xin Kun Zhu, H.L. Tang, T.L. Chen, Jing Mei Tao, Cai Ju Li
This sub-grain structure extends throughout the sample during continued milling.
The final stage is the transformation of sub-grain boundary structure to randomly oriented high-angle grain boundaries [10].
Huang: Nanomaterials analysis (Chemistry Industry Press, Beijing 2003) [9] X.
Xie: Nanomaterials and nanostructure - New development of national key fundamental research projects (Chemistry Industry Press, Beijing 2005).
Online since: January 2019
Authors: Kang Du, Yan Hong Jing, Qiang Zhu, Wen Ying Qu
In the final part of this paper, the different hardness-strength relationships between conventional dendritic structures and semi-solid processed alloys with globular structures will be analyzed. 2.
Inorganic Chemistry, 1998, 37(22): 5887-5894
Inorganic Chemistry, 1992, 31(12): 2638-2644