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Online since: August 2013
Authors: Miao Ying Cheng, Hsi Chi Yang
The development of hydration products at different ages for Type I specimens is decribed below:
7 day age: The lightweight aggregate is on the left side and has a porous structure.
In general, the farther away from the interface, the denser the C-H-S structures become.
Type I Specimen X-Direction Compressed Diagram of 2000x SEM Structure at 91 day age 5µm Fig. 6.
Mehta: Concrete Structure, Properties and Materials, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, (1986)
Lee: The Chemistry of Cement and Concrete, Chemical Publishing Company, Inc., New York, (1971)
In general, the farther away from the interface, the denser the C-H-S structures become.
Type I Specimen X-Direction Compressed Diagram of 2000x SEM Structure at 91 day age 5µm Fig. 6.
Mehta: Concrete Structure, Properties and Materials, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, (1986)
Lee: The Chemistry of Cement and Concrete, Chemical Publishing Company, Inc., New York, (1971)
Online since: June 2015
Authors: Sergiy Nedilko, Sergiy Revo, Maksym Nedielko, Tetjana Avramenko, Kateryna Ivanenko, Vasyl Scherbatskii
Mentioned multi components structure of the PL bands is usually related with the presence of several types of organic chromospheres in the cellulose matrix.
Besides, mentioned spectrum is modulated with two structured features: one of them ranges in the diapason 325 – 400 nm and other one – from 430 to 500 nm.
Somova, in collection: Chemistry and Technology of Cellulose Derivatives [in Russian], Verkhne-Volzhskoe knizhn.
Zugenmaier, Crystalline Cellulose and Derivatives: Characterization and Structures, Springer, Heidelberg, 2008, pp. 285 - 297
Kovalenko, Crystalline cellulose: structure and hydrogen bonds, Rus.
Besides, mentioned spectrum is modulated with two structured features: one of them ranges in the diapason 325 – 400 nm and other one – from 430 to 500 nm.
Somova, in collection: Chemistry and Technology of Cellulose Derivatives [in Russian], Verkhne-Volzhskoe knizhn.
Zugenmaier, Crystalline Cellulose and Derivatives: Characterization and Structures, Springer, Heidelberg, 2008, pp. 285 - 297
Kovalenko, Crystalline cellulose: structure and hydrogen bonds, Rus.
Online since: May 2013
Authors: Ze Wu, Li Min Dong, Wei Li, Lai Guo Wang, Zhi Dong Han, Xing Hua Fu, Wen Ping Hou, Lian Wei Shan
Anhui Key Laboratory of Functional Coordination Compounds, School of Chemistry and Chemical Engineering, Anqing Normal University, Anhui Anqing 246011,China
3.
However, the effect of Bi-doping and chelating agent on the phase structure and dielectric properties of Sr1-xBaxTiO3 have not been thoroughly investigated by sol-gel process.
Based on the XRD studies of (200) diffraction lines, we can find that the phase structure of BST is tetragonal structure for B0-B6.
This indicates that the structure of HAcHAc was changed from ketone to enolic isomer in the course of sol preparation.
This result indicates that Sr0.3Ba0.7TiO3 thin film show ferroelectricity in view of its crystalline structure.
However, the effect of Bi-doping and chelating agent on the phase structure and dielectric properties of Sr1-xBaxTiO3 have not been thoroughly investigated by sol-gel process.
Based on the XRD studies of (200) diffraction lines, we can find that the phase structure of BST is tetragonal structure for B0-B6.
This indicates that the structure of HAcHAc was changed from ketone to enolic isomer in the course of sol preparation.
This result indicates that Sr0.3Ba0.7TiO3 thin film show ferroelectricity in view of its crystalline structure.
Online since: January 2013
Authors: Li Sheng Zhang, Li Chao Fu, Jing Yi Tian, Guo Liang Ma
The micro-structure simplify and tend to nano- and amorphous[19]for the effect of high entropy.
Nb impact highly organizational structure and performance.
Result show that the FCC structure is easily formed as Ni element increased, and the Cu make the interdendritic segregation reduced.
[10] X.Yang, Y.Zhang, Prediction of high-entropy stabilized solid-solution in multicomponent alloys, Materials Chemistry and Physics. 132(2012)233-238
[11] Y.Zhang, Mechanical properties and structures of high entropy alloys and bulk metallic glasses composites, Materials Science Forum. 654-656(2010)1058-1061
Nb impact highly organizational structure and performance.
Result show that the FCC structure is easily formed as Ni element increased, and the Cu make the interdendritic segregation reduced.
[10] X.Yang, Y.Zhang, Prediction of high-entropy stabilized solid-solution in multicomponent alloys, Materials Chemistry and Physics. 132(2012)233-238
[11] Y.Zhang, Mechanical properties and structures of high entropy alloys and bulk metallic glasses composites, Materials Science Forum. 654-656(2010)1058-1061
Online since: July 2015
Authors: H. Çimenoğlu, Nilgun Baydogan, Şengül Akyol, U. Cancı Matur
As the electrons of Sr-90 radioisotope have high energy for the creation of color centers in the film structure its electrons interact with the structure and penetrate homogeneously to the thin-film.
Depending on the microstructural changes of the film structure, beta particles cause defects centers.
Beta irradiation can lead to change via knock-on momentum transfer in the thin-film structure [10].
The emission of electron particles by Sr-90 source causes trapping at the holes of the film structure.
Tugrul, Glass Physics and Chemistry 32 (3) (2006), p. 309-314 [11] M.
Depending on the microstructural changes of the film structure, beta particles cause defects centers.
Beta irradiation can lead to change via knock-on momentum transfer in the thin-film structure [10].
The emission of electron particles by Sr-90 source causes trapping at the holes of the film structure.
Tugrul, Glass Physics and Chemistry 32 (3) (2006), p. 309-314 [11] M.
Online since: February 2011
Authors: Yu Liu, Jing Fang, Yuan Xu
And computational intelligence techniques have similar structures and input and output interfaces, and is benefit to standardize.
Regardless of the internal structure’s much difference, to the same problem, the input and the output of the network are the same.
With the development of solid state physics, quantum chemistry and chemical theory, people had full understandings of structure and performance of material and gained better understanding of material preparation, processing, and physical and chemical changes in using, which lay a theoretical foundation of material design.
In materials science and engineering fields, there are many complex factors influencing material’s structure and properties.
Two core issues of material design are structure-property relationship and processes-performance relationship.
Regardless of the internal structure’s much difference, to the same problem, the input and the output of the network are the same.
With the development of solid state physics, quantum chemistry and chemical theory, people had full understandings of structure and performance of material and gained better understanding of material preparation, processing, and physical and chemical changes in using, which lay a theoretical foundation of material design.
In materials science and engineering fields, there are many complex factors influencing material’s structure and properties.
Two core issues of material design are structure-property relationship and processes-performance relationship.
Online since: September 2013
Authors: Yong Bin Lai, Xiu Chen, Jia Min Hu, Lei Chen, Sen Li, Ling Ling Cai, Li Li, Xin Jin
So the n-alkane C was arranged in a folding line according to an angle of 109.5°, they formed the structure of zigzag pattern.
The molecular structure is shown inFig. 1(a).
The molecular structures of FAME are shown in Fig. 1(b)–(e).
By the principle of similarity and intermiscibility, the bigger the molecular structures between solute and solvent difference was, the easier solute crystallized.
Xuan: Journal of Fuel Chemistry and Technology Vol. 33 (2005), P. 698 [12] M.E.Gonzalez Gomez, R.H.
The molecular structure is shown inFig. 1(a).
The molecular structures of FAME are shown in Fig. 1(b)–(e).
By the principle of similarity and intermiscibility, the bigger the molecular structures between solute and solvent difference was, the easier solute crystallized.
Xuan: Journal of Fuel Chemistry and Technology Vol. 33 (2005), P. 698 [12] M.E.Gonzalez Gomez, R.H.
Online since: July 2011
Authors: Xing Hua Han, Giulioantonio Longo, Giovanni Paolo Zanon, Elisabetta Gariboldi
Several particles mainly containing W, Re, Ta and Cr, roughly corresponding to chemistry of phases reported in [9] were identified at the internal side of the IDZ.
The chemical profile of the layered structure was obtained by punctual quantitative EDS microanalyses performed along the [001] direction of the samples.
Punctual analyses involving a material volume of some µm3 resulted in a relatively wide scatter in the non-homogeneous and fine structures.
In such a complex layered structure such GDOES profiles will help to identify the regions of element enrichment/depletion also when their content in the alloy is very low.
Also in this case, the presence and exact location of carbides within the layered structure was not checked during SEM analyses.
The chemical profile of the layered structure was obtained by punctual quantitative EDS microanalyses performed along the [001] direction of the samples.
Punctual analyses involving a material volume of some µm3 resulted in a relatively wide scatter in the non-homogeneous and fine structures.
In such a complex layered structure such GDOES profiles will help to identify the regions of element enrichment/depletion also when their content in the alloy is very low.
Also in this case, the presence and exact location of carbides within the layered structure was not checked during SEM analyses.
Online since: September 2007
Authors: Z.S. Petrović, I. Javni, X. Jing, A. Guo, D.P. Hong
Dendritic- treelike- structures differ from generation to generation.
The structure of a hyperbranched polyol is shown schematically in Fig. 2.
Similar package gave with other oil-based HB polyol systems a quite open cell structure.
• A better surfactant/catalyst package is required to obtain open cell structure.
Ionescu: Chemistry and Technology of Polyols for Polyurethanes (Shawbury Shrewsbury Shropshire, UK: RAPRA 2005)
The structure of a hyperbranched polyol is shown schematically in Fig. 2.
Similar package gave with other oil-based HB polyol systems a quite open cell structure.
• A better surfactant/catalyst package is required to obtain open cell structure.
Ionescu: Chemistry and Technology of Polyols for Polyurethanes (Shawbury Shrewsbury Shropshire, UK: RAPRA 2005)
Online since: November 2010
Authors: James R. Jennings, Qing Wang
Photobiology a-Chemistry Vol. 164 (2004), p. 3-14
Fluorine Chemistry Vol. 125 (2004), p. 1241-1245
Xiong, et al.: Chinese Journal of Chemistry Vol. 26 (2008), p. 70-76
Peter: Journal of Physical Chemistry C Vol. 113 (2009), p. 4726-4731
Anderson, et al.: The Journal of Physical Chemistry C
Fluorine Chemistry Vol. 125 (2004), p. 1241-1245
Xiong, et al.: Chinese Journal of Chemistry Vol. 26 (2008), p. 70-76
Peter: Journal of Physical Chemistry C Vol. 113 (2009), p. 4726-4731
Anderson, et al.: The Journal of Physical Chemistry C