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Online since: June 2014
Authors: Yan Lei, Song Hua Ma, Jian Ping Fang
Introduction
Chaos is one important aspect of nonlinear science and has been widely applied in many natural sciences such as chemistry, biology, mathematics, communication, and particularly in almost all branches of physics like fluid dynamics, plasma physics, optics, and condensed matter physics, etc [1-3].
For, we find the following variable separated solution of (1): (14) Chaotic Behaviors of Solitons Due to the arbitrariness of the functions and included in the above cases, the physical quantitie may possess rich structures.
In order to show that the chaotic behavior is due to the peak value of solitons, we enlarge small regionin the Fig. 3a, and the result is shown in Fig. 3b, which presents a kind of dromion with chaotic structure clearly.
For, we find the following variable separated solution of (1): (14) Chaotic Behaviors of Solitons Due to the arbitrariness of the functions and included in the above cases, the physical quantitie may possess rich structures.
In order to show that the chaotic behavior is due to the peak value of solitons, we enlarge small regionin the Fig. 3a, and the result is shown in Fig. 3b, which presents a kind of dromion with chaotic structure clearly.
Online since: January 2013
Authors: Fei Liu, Ting Li, Jian Xin Cao, Xiao Dan Wang
Influence of Hydrothermal Conditions on Ultra-light Calcium Silicate Material In-situ Strengthened with Xonotlite Whiskers
Fei Liu a, Ting Li, Xiaodan Wang, and Jianxin Cao b
School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550003, China
ace.feiliu@gzu.edu.cn, bjxcao@gzu.edu.cn
Keywords: xonotlite whisker; in-situ growth; ultra-light calcium silicate; mechanical property.
Hence, on the basis of growth mechanism and structure characteristics of xonotlite crystals, the experiment is intend to obtain further information about the effect of hydrothermal synthesis conditions on microstructure of the reinforcement strengthened with the method of xonotlite whiskers in-situ growth, in addition, the strengthening mechanism that ultra-light calcium silicate strengthened with xonotlite whiskers is discussed. 2 Experimental Carbide slag after acid treatment at pH=8.0 reacted with KOH 100g·L-1 at the molar ratio of 1:2 to obtain Ca(OH)2 suspensions serving as calcium materials.
Morphologies of samples along with crystal growth figure were observed by scanning electron microscope (SEM, JSM-6490LV, operating at 25 kV, Japan). 3 Results and discussion 3.1 Effect of the hydrothermal synthesis conditions on morphology of the reinforcement (a) 205 ℃; (b) 215 ℃; (c)225 ℃ Fig.1 SEM images of the reinforcement prepared by using the xonotlite slurry hydrothermally synthesized at different temperatures To examine the influence of processing parameters on the structures of reinforcement, experiments were conducted with different reaction temperature (Fig.1).
Hence, on the basis of growth mechanism and structure characteristics of xonotlite crystals, the experiment is intend to obtain further information about the effect of hydrothermal synthesis conditions on microstructure of the reinforcement strengthened with the method of xonotlite whiskers in-situ growth, in addition, the strengthening mechanism that ultra-light calcium silicate strengthened with xonotlite whiskers is discussed. 2 Experimental Carbide slag after acid treatment at pH=8.0 reacted with KOH 100g·L-1 at the molar ratio of 1:2 to obtain Ca(OH)2 suspensions serving as calcium materials.
Morphologies of samples along with crystal growth figure were observed by scanning electron microscope (SEM, JSM-6490LV, operating at 25 kV, Japan). 3 Results and discussion 3.1 Effect of the hydrothermal synthesis conditions on morphology of the reinforcement (a) 205 ℃; (b) 215 ℃; (c)225 ℃ Fig.1 SEM images of the reinforcement prepared by using the xonotlite slurry hydrothermally synthesized at different temperatures To examine the influence of processing parameters on the structures of reinforcement, experiments were conducted with different reaction temperature (Fig.1).
Online since: June 2013
Authors: De Gao Zhong, Bing Teng, Shu Jie Zhuang, Li Feng Cao, Ke Feng, Yong Xin Shi, Ya Nan Li, Qi Jia Guo, Ming Shun Yang
Fig.1 Molecular structure of DAST Fig.2 The crystal gain of DAST
Results and Discussion
As shown in Fig.3, the FTIR spectrum of the powder is taken by a nicolet-5700 type Fourier transform infrared spectrometer with the wavelength range 400-4000cm-1.
Each hydrogen of DAST molecular structure is labeled by number in Fig.1.
Schaefer: Springer Series in Optical Sciences, Royal Society of Chemistry, London(1990). p.108 [4] U.
Each hydrogen of DAST molecular structure is labeled by number in Fig.1.
Schaefer: Springer Series in Optical Sciences, Royal Society of Chemistry, London(1990). p.108 [4] U.
Online since: February 2008
Authors: Kyu Ho Lee, Bong Ki Ryu, Young Seok Kim, Tae Ho Kim, Young Joon Jung
This is because of increasing disorder in glass
structure [7] and this disorder is confirmed from high CTE of different glasses.
This is because of disorder in glass structure and this is confirmed from analyzing density and CTE of each glasses.
El Alaily: Materials Chemistry and Physics Vol. 52 (1998), p. 175
This is because of disorder in glass structure and this is confirmed from analyzing density and CTE of each glasses.
El Alaily: Materials Chemistry and Physics Vol. 52 (1998), p. 175
Online since: July 2011
Authors: Lei Zhong, Zhi Ming Gao, Hai Hang Xu, Jun Wei Yan
An Air Conditioning Energy Optimization Control System for a Telecom Building
Junwei Yan1, Zhiming Gao1, Haihang Xu1,3 and Lei Zhong2,a
1 School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510641, China,
2 School of Chemistry and Ecology Engineering, Key Laboratory of Chemical and Biological Transforming Process, Guangxi University for Nationalities, Nanning, 530006, China, Corresponding author
3 Department of Mechanism and Electron, Guangzhou Panyu Polytechnic, Panyu, 511483, China,
aleiwin@163.com
Keywords: Telecom building, air conditioning system, energy optimization.
The structure schematic of the system is shown in Fig. 1.
Fig.1 Structure schematic of the system The upper computer monitoring layer is running to conduct dynamic monitoring, fault alarm and remote operation.
The structure schematic of the system is shown in Fig. 1.
Fig.1 Structure schematic of the system The upper computer monitoring layer is running to conduct dynamic monitoring, fault alarm and remote operation.
Effect of Hydration Products Transformation for Compressive Strength of Autoclaved Silicate Products
Online since: October 2012
Authors: Jun Li Liu, Chang Jun Ke, Shu Ying Wang
When the alkalinity of autoclaved system is lower, Hydrogarnet is unstable and decompose entering into C-S-H structure, forming Al-substituted C-S-H.
This result shows that hydrogarnet is unstable and decompose entering into C-S-H structure, forming Al-substituted C-S-H.
Cement Chemistry.
This result shows that hydrogarnet is unstable and decompose entering into C-S-H structure, forming Al-substituted C-S-H.
Cement Chemistry.
Online since: August 2009
Authors: Chun Wu, Xiang Xuan Liu, Xuan Jun Wang
Scanning electronic microscopy (SEM) and X-ray diffraction (XRD)
spectrometer were used to examine surface morphology and structure of the as-plated coating.
X-ray diffraction spectrometer (XRD) are used to examine the coating's surface morphology and structure.
We can find both coatings are cell structure.The obtained composite layers had a mat-gray rough metallic surface with white spots visible to the naked eye.
[3] Ming-Der Ger, Bing Joe Hwang, Materials chemistry and physics 76(2002): 38-45
X-ray diffraction spectrometer (XRD) are used to examine the coating's surface morphology and structure.
We can find both coatings are cell structure.The obtained composite layers had a mat-gray rough metallic surface with white spots visible to the naked eye.
[3] Ming-Der Ger, Bing Joe Hwang, Materials chemistry and physics 76(2002): 38-45
Online since: January 2005
Authors: Tatsuhiko Aizawa, Shinji Muraishi
Phase Separation into Nano-crystalline Nitrides
in Ternary Ti-Si-N System via N Implantation
Shinji Muraishi1, a and Tatsuhiko Aizawa2,b
1Department of Metallurgical and Ceramic Science, Tokyo Institute of Technology, 2-12-1
Ookayama, Meguro-Ku, Tokyo 152-8552, Japan
2Center for collaborative research, The University of Tokyo, 4-6-1 Komaba, Meguro-Ku Tokyo
153-8904, Japan
aMuraishi@mtl.titech.ac.jp, bAizawa@hpm.rcast.u-tokyo.ac.jp
Keywords: Nano-structure, Ion Implantation, Ion Beam Sputtering, Phase separation,
TEM, XPS
Abstract.
The reaction induced phase separation aimed for the distribution of nano-structured particles has been investigated by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) in ternary Ti-Si-N film via N+ implantation.
The combination process of ion beam sputtering (IBS) and N+ implantation is promising to yield nano-structured film with the non-equilibrium phase and amorphous under the low temperature.
Vol. 86-87 (1996) p. 394 [2] The Chemical Society of Japan: Kagaku Binran (Handbook of Chemistry), Basic 2th Ed.
The reaction induced phase separation aimed for the distribution of nano-structured particles has been investigated by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) in ternary Ti-Si-N film via N+ implantation.
The combination process of ion beam sputtering (IBS) and N+ implantation is promising to yield nano-structured film with the non-equilibrium phase and amorphous under the low temperature.
Vol. 86-87 (1996) p. 394 [2] The Chemical Society of Japan: Kagaku Binran (Handbook of Chemistry), Basic 2th Ed.
Online since: April 2016
Authors: Ming Hua Li, Ming Ding, Zhi Shen Jiang, Luo Lan Ke, Yun Ran Zhang
Synthesis, Characterization, and Suspension Stability of Al2O3 Nanoparticles Functionalized by Polyurethane
Yun-ran Zhang1,a, Ming Ding1,b, Zhi-shen Jiang1,c, Luo-lan Ke1,d and Ming-hua Li1,2,e
1Department of Chemistry and Materials Engineering, Hefei University, Hefei 230601, China
2Anhui Zhongding Sealing Parts Co.
The structure, surface properties, and thermal stability of the functionalized Al2O3 nanoparticles were characterized by means of by FT-IR, TGA and SEM.
From Fig.1b, the functionalized Al2O3 nanoparticles using polyurethane chains of the FTIR spectrum(b) can observe the polyurethane structure characteristic of infrared absorption peaks, bands at 2855cm-1 to 2955cm-1 corresponds to the methyl and methylene(νCH2 and νCH3) stretching vibrations, band at 1563cm-1 corresponds to the deformation vibration for C-N(δC-N)7-8.
Conclusions The structure, surface properties, and thermal stability of functionalized Al2O3 nanoparticles suspending dispersion were investigated via FTIR, SEM, and TG measurements.
The structure, surface properties, and thermal stability of the functionalized Al2O3 nanoparticles were characterized by means of by FT-IR, TGA and SEM.
From Fig.1b, the functionalized Al2O3 nanoparticles using polyurethane chains of the FTIR spectrum(b) can observe the polyurethane structure characteristic of infrared absorption peaks, bands at 2855cm-1 to 2955cm-1 corresponds to the methyl and methylene(νCH2 and νCH3) stretching vibrations, band at 1563cm-1 corresponds to the deformation vibration for C-N(δC-N)7-8.
Conclusions The structure, surface properties, and thermal stability of functionalized Al2O3 nanoparticles suspending dispersion were investigated via FTIR, SEM, and TG measurements.
Online since: August 2013
Authors: Qiong Zhi Gao, Hong Qiang Li, Xing Rong Zeng
Institute of Biomaterials, Department of Applied Chemistry, College of Science, South China Agricultural University, Guangzhou 510642, P.R.China.
2.
With different doping content of nano-TiO2 and silver ions, those hybrid films have different functions and structure.
However, the conventional UF membrane prepared by phase immersion method has some intrinsic limitations such as low-flux and high-fouling performance, owing to relatively low porosity, geometrical structure of pores and poor pore size distribution, where the high-fouling problem will be an unavoidable consequence of gradual blockage of permeation in the membrane during filtration [2-3].
This can be interpreted by follows: adding nano-sized TiO2 particles which are dispersed in polymer solution, it will make polymer concentration reduce, casting dopes viscosity increase, state of aggregation structure change and between the inorganic phase and the organic phase will occur transient phase interface.
With different doping content of nano-TiO2 and silver ions, those hybrid films have different functions and structure.
However, the conventional UF membrane prepared by phase immersion method has some intrinsic limitations such as low-flux and high-fouling performance, owing to relatively low porosity, geometrical structure of pores and poor pore size distribution, where the high-fouling problem will be an unavoidable consequence of gradual blockage of permeation in the membrane during filtration [2-3].
This can be interpreted by follows: adding nano-sized TiO2 particles which are dispersed in polymer solution, it will make polymer concentration reduce, casting dopes viscosity increase, state of aggregation structure change and between the inorganic phase and the organic phase will occur transient phase interface.