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Online since: November 2017
Authors: Hawraa Sadik, Wasan R. Saleh
Multiwalled carbon nanotubes (MWCNTs), as one of the conducting carbon materials, have generated extensive research interest, because of their excellent properties of high electrical conductivity, high surface area, and high mesoporosity have been used in composite materials to improve electrical properties while reinforcing the mechanical performance of the composites [10,11].
The materials in these are semiconductors with narrow band gaps.
Chemicals Materials The material that used were functionalized multi-walled carbon nanotubes (COOH -MWCNT) which have assay 95%, length of 50 (mm), outer diameter of 8-15 (nm), inner diameter of 3-5 (nm), COOH content: 2.56 wt% from NANOCYL S.A., Belgium.
This is may be attributed to heat that generated by thermal fluctuations in conducting materials from the random motion of electrons in a conductor.
,Allemand, and Z.X.Heeger, Poly (P-Phenyleneamineimine): Synthesis and Comparison to Polyaniline, Journal.
Online since: February 2015
Authors: C.K.K. Nair, K.C. Dhanya
Materials and Methods A.
[8] Trajkovic S, Dobric S, Djordjevic A, Dragojevic-Simic V and Milovanovic Z, “Radioprotective efficiency of fullerenol in irradiated rats,” Materials Science Forum, vol. 494, pp. 549-554, 2005
[9] Bhatia AL, “Nuclear medicine in 21st millenium: An approach via nanotechnology,” Asian Journal of Experimental Sciences, vol. 22, pp. 33-44, 2008
[18] Lowry OH, Rosenbrough NJ, Farr AL and Randall RJ, “Protein measurement with folin phenol reagent,” The Journal of Biological Chemistry, vol. 193, pp. 265-275, 1951
[21] Bonsnes RW and Taussky HH, “On the colorimetric determination of creatinine by the Jaff6 reaction,” The Journal of Biological Chemistry, vol. 158, pp. 581-591, 1945
Online since: May 2011
Authors: Yan Zhou Peng, Shu Guang Hu, Kai Chen
., Wuhan 430050,China 3 Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education, Wuhan University of Technology, Wuhan 430070, China apnyzh@yahoo.com.cn, b303598871@qq.com Key words: Steel slag powder; ultrafine fly ash; ultrahigh performance concrete; durability; porosity.
This porous structure of UHPCs would definitely enable the material have excellent durability.
Experimental Program Materials.
This porous structure of UHPCs would definitely enable the material have excellent durability.
Ding: Journal of Wuhan University of Technolotgy, Materials Science Edition, Vol.25 (2010), p. 349 [4] S.
Online since: October 2014
Authors: Chun Lan Yang, Da Ming Huang, Fa Long Cheng
Introduction With the advantages of simple, reliable, adaptability and low cost, jaw crusher is widely used in metallurgy, mining, chemical industry and building materials fields.
With the development of science and technology, the traditional crusher products are increasingly exposed many design defects and deficiencies in performance and structure.
Mechanical Modeling (1) Material’s properties.
The optimized flywheel cannot just save the material.
Journal of Railway Science and Engineering, 2007, Issue 4, pp.88-92
Online since: October 2011
Authors: Li Min Tai
Introduction Synthetic plastics have become the major new materials for everyday life.
Much of this growth has taken place at the expense of traditional materials, such as steel, aluminum, paper and glass.
To accelerate the degradation, biopolymers such as starch are frequently incorporated with plastic producing the new blending materials, which enhances the accessibility of the plastic to oxygen and micro-organisms.
Materials and reagents The linear low density polyethylene (LLDPE), 7042, was purchased from Liaoning Huajin Group (Liaoning, China).
[8] Qing Shi, et al.: Journal of applied polymer science Vol. 101 (2006), p. 4301-4312.
Online since: August 2011
Authors: Yana Gurimskaya, Daniel Mathiot, Abdelmadjid Mesli
Simoen, Germanium-Based Technologies: From Materials to Devices, Elsevier Ltd, London, 2007, pp. 131-187
[7] Ben Depuydt, Antoon Theuwis, Igor Romandic, Materials Science in Semiconductor Processing 9 (2006) 437–443
[8] Matteo Bosi, Giovanni Attolini, Progress in Crystal Growth and Characterization of Materials 56 (2010) 146-174
Clauws, Journal of applied physics 105 (2009) 073707
Lauwaert, The 5th International Symposium on Advanced Science and Technology of Silicon Materials (JSPS Si Symposium),Nov. 10-14, Kona, Hawaii, USA (2008)
Online since: September 2013
Authors: Fang Zhu, Jun Fang Wei
Introduction Zeolites are aluminosilicates crystalline inorganic materials that consist of tetrahedral units with open framework structure.
Experimental Raw materials and reagents.
References [1] Nor Fauziah Zainudin, Ahmad Zuhairi Abdullah, Abdul Rahman Mohamed: Journal of Hazardous Materials, Vol. 174 (2010), p. 299 [2] C.
Hayhurst: Microporous and Mesoporous Materials Vol. 26 (1998), p. 133 [7] A.
Jamieson, S.Wongkasemjit : Materials Science and Engineering A,Vol. 361 (2003), p.147–154.
Online since: May 2009
Authors: Katarína Jablonovská, Iveta Štyriaková, A. Mockovčiaková
Batch materials for glass production with a required content of iron-bearing impurities are produced using various concentration methods, including dry and wet separation.
The application of the bioleaching to the improvement of quality of non-metallic materials has yet to lead to commercial-scale processes.
Materials and methods Quartz sand (denoted as Q) from the Šaštín Stráže (Slovakia) deposit was composed of quartz (8890%), feldspar (8-10%), heavy minerals (1%) and clay minerals (1%).
Matveev: Raw Materials for Glass in Russia (EMKO, Russia 1995) [2] A.D.
Sharma: Geomicrobiology Journal Vol. 21 (2004), p.135 [4] I.
Online since: May 2016
Authors: Azman Jalar, Shahrum Abdullah, Fuaida Harun, Roslina Ismail
Mechanical Interlocking on Leadframe Surface for Bondability of Au Wedge Bond Roslina Ismail1 , Fuaida Harun1, Azman Jalar1,*, and Shahrum Abdullah2 1Institute of Microengineering and Nanoelectronic (IMEN), 2Department of Mechanical & Materials Engineering, Universiti Kebangsaan Malaysia, 43600 UKM, Selangor, Malaysia.
Introduction The major components in semiconductor packaging are composed of leadframe, die attach, silicon die, wire bond and encapsulant material.
Wire bonding is a solid-state welding process, where the two metallic materials (wire and thin film surface) are brought into intimate contact [1].
Suresh, Thin Film Materials: Stress, Defect Formation and Surface Evolution, Cambridge University Press, 2003 [3] Hsu, H.C., Chu, L.m, Chen, Y.F., Chien, J.H., Fu, S.L., Ju, S.P and Feng, W.J., Further characterization of Pd-coated copper wire on wirebonding process: from a nanoscale perspective, Journal of Materials Science: Materials in Electronics, September 2013, Volume 24, Issue 9, pp 3594-3602 [4] Lina, T.Y., Davidson, K.L., Leong, Chua, S., Yao, Y.F., Pan, J.S., Chai, K.C., Toh, K.C. and Tji, W.C., Surface topographical characterization of silver-plated film on the wedge bondability of leaded IC packages, Microelectronics Reliability, Volume 43, Issue 5, May 2003, Pages 803–809 [5] Guo, R., Li, M., Mao, D., Li, W., 2011.
[8] Anthony Kinloch Adhesion and Adhesives: Science and Technology, Chapman and Hall ,1987
Online since: October 2010
Authors: Carlos Alberto Alves Cairo, Vinicius André Rodrigues Henriques, Eduardo T. Galvani, T.G. Lemos, Julia Faria
Nevertheless, it is required to further improve their tribological properties since the friction coefficient of TiN against commercial metallic materials is not sufficiently low for practical use.
Furthermore, TiN coatings can suffer from severe adhesion to counter materials.
Rakita: Surface Science Vols. 566-568 (2004), p. 40
Eylon: Journal of Metals Vol. 32 (1980), p. 47
Cairo: Materials Science Forum Vols. 498-499 (2005), p. 40.