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Online since: September 2014
Authors: Qiu Hua Shen, Xiao Jie Wang, Yun Zhe Ji
With the rapid development of modern industry and science technology, the demand for surfactants is increasing.
Materials and methods 3.1 Experimental device Foam separation apparatus is shown in Figure 1; the foam separation column is made by plexiglass, 1200 mm high, with inner diameter of 50 mm, and outer diameter of 60 mm.
Fig. 1 Schematic diagram of experimental Apparatus 1 Air pump 2 Humidifer 3 Buffer 4 Rotameter 5 Outlet 6 Distributor 7 Foam fractionation tower 8 Foam collector 3.2 Materials CTAB, analytical reagent, Tianjin Institute of Fine Chemicals Division; 752 UV-Vis spectrophotometer, Shanghai Precision & Scientific Instrument Co., Ltd.; LZB-3 rotameter, Shenyang North Star Flow Meter Factory; AC0-318 electromagnetic air compressor machines, Guangdong Haley Group Co., Ltd. 3.3 Experimental Methods Put CTAB wastewater into foam separation column by a peristaltic pump continuously, adjust the flow rate in the column to maintain a certain duration; using the wastewater pump, ventilate air into the solution, adjust the flow by rotor meter, and bubbles are generated by the gas distributor the bottom.
Shi: Journal of East China University of Science and Technology.
Online since: September 2013
Authors: Ting Ting Huang, Quan Hua Fan, Xiao Ping Zhang, Qing Hua Zhang, Yang Xu, Zhang Xue Yu, Hai Xing Liu
Introduction Metal-organic polymeric frameworks containing metal ions and organic bridging ligands have developed in recent years due to their particular beauty and intriguing architectural diversity and crystal packing motifs along with potential applications as functional materials [1, 2].
16) O(6)-Mn(1)-Mn(1)#1 134.37(17) O(1)#2-Mn(1)-Mn(1)#1 100.17(12) O(1)-Mn(1)-Mn(1)#1 100.17(12) C(1)-O(1)-Mn(1) 117.0(3) Mn(1)#1-O(5)-Mn(1) 100.9(2) Mn(1)#1-O(5)-H(5A) 111.6 Mn(1)-O(5)-H(5A) 111.6 Mn(1)-O(6)-H(6C) 125.3 C(2)#2-N(1)-C(2) 123.1(6) C(2)#2-N(1)-Mn(1) 118.3(3) C(2)-N(1)-Mn(1) 118.3(3) O(2)-C(1)-O(1) 126.2(6) O(2)-C(1)-C(2) 118.9(6) O(1)-C(1)-C(2) 114.9(5) N(1)-C(2)-C(3) 119.6(5) N(1)-C(2)-C(1) 111.2(5) C(3)-C(2)-C(1) 129.2(5) _____________________________________________________________ Acknowledgments This study were supported by the Natural Science
ZR2010BL025), Open Project of State Key Laboratory of Supramolecular Structure and Materials (No. sklssm201323)(Jilin University), State Key Laboratory of Inorganic Synthesis and Preparative Chemistry (No. 2011-13)(Jilin University).
[6] Chauhan Jayprakash S, Pandya Ajit V, International Journal of Engineering Science Invention, 2(2013), 36-43 [7].
Online since: September 2014
Authors: Wei Lin Zhao, Jian Rong Wang, Zong Jun Geng, Li Long Dong
The Effect of Inner Cylinder on Cyclone Preheater Using Fluent Software Lilong Donga, Weilin Zhaob, Jianrong WangC, Zongjun Gengd School of Materials Science and Engineering, University of Jinan, Jinan 250022, China adlilong@163.com, bmse_zhaowl@ujn.edu.cn, cmse_wangjr@ujn.edu.cn, dmse_gzj@126.com Keywords: Fluent Software, Inner cylinder, Cyclone Preheater, Separation efficiency, Pressure loss Abstract.
Yu: Chemical Engineering Science Vol. 73 (2012), p. 123-139
Zhao: Advanced Materials Research Vol. 201 (2011), p. 263-266
Ozalp: International Journal of Heat and Fluid Flow Vol. 40 (2013) 198-209
Online since: October 2014
Authors: Wei Wei Wu, Tao Xie, Nai Chang Yuan, Le Peng Zhong, Hui Luo
Electromagnetic Bandgap(EBG) structures are periodic metal-dielectric material posing the property of suppressing surface wave propagation in a frequency range.
EBG structures are extensively used material in reducing mutual coupling effects between patch antennas[2-3].
Acknowledgement This work is supported by the National Science Foundation of China under Grant No.61302017.
Antennas and Propagation, 52, (2004)1446-1453 [4] Cuong Tran Manh,Electromagnetic Coupling Reduction between Millimeter Microstrip Antennas using High Impedance Surface, International Journal of Scientific & Engineering Research, J.Ei.Commum.163(2012)2229-5518
[5] Yunqi Fu and Naichang Yuan, Elimination of Scan Blindness in Phased Array of Microstrip Patches Using Electromagnetic Bandgap Materials, IEEE Antenna and Wireless Propagation Letters.3(2004)63-65 [6] D.Guha, S.Biswas and Chandrakanta Kumar, Annular Ring Shaped DGS to reduce Mutual Coupling between Two Microstrip Patches, IEEE Antenna and Propagation,(2009)
Online since: October 2012
Authors: Pavel A. Akimov
structure; are coordinates ( corresponds to basic dimension); are coordinates of boundary cross-sections of structure (in particular, coordinates of cross-sections with discontinuities of the first kind of physical and geometrical parameters of structure; is the length of structure along basic dimension, ; are corresponding fragments of domain with boundaries , obtained by separation from domain by cross-sections and ; are extended domains, embordering fragments ; is the characteristic function of domain ; is the delta-function of border ; is unit normal vector of domain boundary ; is the unknown vector of displacements in domain ; , , are matrices (operators) of boundary conditions of the sixth order (-independent); , , are right-side vectors of boundary conditions of the sixth order (-independent); is the right-side vector in domain ; is the vector of body forces in domain ; is the boundary traction vector in domain ; are parameters characterizing the properties of material
occupied by structure; are coordinates ( corresponds to basic dimension); are coordinates of boundary cross-sections of plate (in particular, coordinates of cross-sections with discontinuities of the first kind of physical and geometrical parameters of structure; is the length of plate along basic dimension, ; are corresponding fragments of domain with boundaries , obtained by separation from domain by cross-sections and ; are extended domains, embordering fragments ; is the characteristic function of domain ; is the delta-function of border ; is unit normal vector of domain boundary ; is unknown function (plate deflection) in domain ; , , are matrices (operators) of boundary conditions of the fourth order (-independent); , , are right-side vectors of boundary conditions of the fourth order (-independent); is the right-side vector in domain ; is distributed load in domain ; is bending moment at border ; is shear force at border ; are characterizing the properties of material
Acknowledgements This work was financially supported by the Grants of Russian Academy of Architecture and Construction Sciences (2.3.8, 2.3.18) and Grant of Ministry of Education and Science of the Russian Federation (2/12).
Advanced Materials Research Vols. 250-253, 2011, pp. 3652-3655
Journal of Beijing University of Civil Engineering and Architecture.
Online since: September 2013
Authors: Shao Yin Zhang, Li Jian Liu, Da Zhi Wang, Tong Kuan Xu, Lin Jia, Feng Ding
Experimental Materials. 4, 4'-diaminodiphenyl ether (AR) and 4, 4'-diaminodiphenyl sulfone(AR), 4, 4'-diaminodiphenylmethane(AR) and 4, 4'-Thiodianiline(AR) were purchased from Aldrich chemical Co. and used without further purification.
The weight loss of polymers before 160 OC reflected the moisture content of the material.
Those with highest weight loss before 160 OC could be a relative hydrophilic material that may be suitable to be used in RO.
The authors are grateful to the project supported by Scientific Research Fund of Liaoning Provincial Education Department (L2011079) and Liaoning Provincial Natural Science Foundation Project (201202012) for financial support.
Chinese Journal of Synthetic Chemistry 2007; 15: 378~379
Online since: January 2012
Authors: Qing Dong Zhang, Pei Cheng Zhang, Jian Qin
The Analysis of Generation and Transformation of Strip Warps Jian Qin a, Qingdong Zhangb, Peicheng Zhangc Mechanical Engineering School, University of Science and Technology Beijing, Beijing 100083 China aE-mail: mechmath@126.com, bE-mail: zhang_qd@me.ustb.edu.cn, cE-mail: me818@me.ustb.edu.cn Keywords: Strip; Warp; Gutter; Curl; Residual strain; Transformation Abstract.
The material is assumed to be isotropic and elastic.
(13) If it is taken into account the deformation due to the weight of strip, the non-uniform distribution of initial strain and the cutting free boundary, the modified coefficient is introduced (about 0.25 which changes with material data).
Yuen: Journal of Materials Processing Technology Vol. 132, p.184 [5] Q.D.
[7] H.M.Liu: Theory and Application of three-dimensional rolling (Science Presss, China 1999).
Online since: February 2024
Authors: Ramya Chinthamaneni, Saikeerthi Chavan, Balakrishna Murthy Vallabhaneni
Loading and constraints for E3 model Materials.
Hashin, Analysis of Composite Materials- A Survey, Trans.
Materials. 36 (1984) 19-26
Mohana Rao, Effect of Mismatch in Young’s Modulus on Micromechanical Behaviour of FRP Composites under Longitudinal Loading, International Journal of Material Science. 5 (2010) 503–509
Prasad, An Experimental Simulation to Validate FEM to Predict Transverse Young’s Modulus of FRP Composites, Advances in Materials Science and Engineering, Hindawi Publication Corporation. 2013 (2013), 1-6
Online since: October 2009
Authors: Paola Palmero, Laura Montanaro, Cecilia Bartuli, Marina Cabrini, Jacopo Tirillò, Paolo Marcassoli
Experimental Elaboration of Hydroxyapatite materials via gel-casting procedure.
The PE amount was fixed for obtaining a porosity of 60 vol.% in the fired materials.
The microstructural properties of HA influence the behavior of material.
Journal of the European Ceramic Society, 22 (2002) [4] Lombardi M., Naglieri V., Tulliani J.M., Montanaro L., Gelcasting of dense and porous ceramics by using a natural gelatine, Journal of Porous Materials, DOI 10.1007/s10934-9212-0, available online [5] Fischer H., Marx R., Fracture toughness of dental ceramics: comparison of bending and indentation method, Dental materials, 18 [6] Gibson L.J., Ashby M.F., Cellular Solids: Structure and Properties.
Pergamon Press, New York (1988) [7] Brezny R., Green D.J., Mechanical behavior of cellular solids, in Materials Science and Technology, Vol 11, Structures and Properties of Ceramics, ed.
Online since: October 2014
Authors: Hong Tao Liu, Bei Lei Dai
Fig.3 Through type timber frame Fig.4 The structure of full square wood full melon-shaped column The traditional houses in Huochang Tujia Township tend to use local materials when they were built, architectural color is simple, which gives first place to the original wood color and gray.
With the development of rural economy and the promotion of new countryside construction, unique Tujia houses have been replaced by the cassette brick houses, the original wood material and timber frame technology also have been replaced by the modern materials and technology, the original Tujia style of street is disappearing gradually with the change of times (Fig.6).
If the building can not meet the demand of modern people's life, we can use appropriate methods which keep the external forms of architecture, materials and improve the building facilities and layout in a proper way to reform them.
Journal of Disaster Mitigation for Historical Cities.
Journal of Huazhong University of Science and Technology.