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Online since: August 2009
Authors: Jing Lin, Gui Wen Yu, Li Ma
CAM also receives the attention as the propeller material's corrosion and the antifouling question, especially the microbiological corrosion also rarely reported to its influence [1-6].
Protective layer formation and the passivation mechanism [J], Corrosion Science, 1993, vol. 34(11): 1793-1802 [3] Schuessler A and Exner H E, The corrosion of nickel aluminum bronze in seawater--Ⅰ.
The mechanism in the presence of sulphide pollution [J], Corrosion Science, 1993, vol. 34(11): 1803-1815 [4] Lorimer G W, Hasan F and Iqbal J, et al, Observation of microstructure and corrosion behavior of some aluminum bronzes [J], Br.
Corrosion J., 1986, vol. 21(4): 244-248 [5] Han Z and Zhao H, Effect ofβmartensite transformation on dealuminification behavior of Cu-9A-2Mn alloy in a marine environment [J], Materials Science and Engineering A, 2003, vol.345: 8-13 [6] Newman R C and Shahrabi T, Dezincification of alpha-brass in crevices [J], Corrosion, 1993, vol. 49(1): 60-62 [7] Zhu Xiang-rong,Wang Xiang-run.Corrosion and Protection of Metals in Marine Environment.Beijing: Defence Industry Publishing House,1993 [8] Brezina P.
Rev., 1982, vol.27(2): 77-120 [9] Han Z, Jiang W M, Lin H C, Zhao H, Journal of Chinese Society for Corrosion and Protection , 2000;20: 3 a b
Online since: May 2022
Authors: Xiao Rong Yang, Xu Zhong Gong, Feng He, Qing Hua Liu
Preparation and Performance Evaluation of Graphene Heating Film Feng He1,a, Xiaorong Yang1,b, Qinghua Liu1,c and Xuzhong Gong2,d* 1School of Materials Design and Engineering, Beijing Institute of Fashion Technology, Beijing, China 2Institute of Process Engineering, Chinese Academy of Sciences Beijing, China aclyhf@bift.edu.cn, b1772035046@qq.com, c18601368366@163.com, d*xzgong@ipe.ac.cn Keywords: Nano cellulose; Graphene; Thermal conductivity; Dispersion effect Abstract.
Junlin Ma [2] et al. developed Prussian blue/graphene ink by grinding and assembling composite materials, which can be used for screen printing flexible biosensors and supercapacitors.
References [1] Tuan Sang Tran, Naba Kumar Dutta, Namita Roy Choudhury,Graphene inks for printed flexible electronics: Graphene dispersions, ink formulations, printing techniques and applications,Advances in Colloid and Interface Science,Volume 261, 2018, Pages 41-61, ISSN 0001-8686
Science, 2004, 306(5696): 666-669
Journal of the American Chemical Society, 2008, 130(47): 15802-15804
Online since: August 2010
Authors: Yao Xiang Li, Pai Li, Hong Fu Zhang, Ya Zhao Zhang, Hui Juan Zhang
Near-infrared spectroscopy (NIRS) is a rapid, accurate, low-cost, nondestructive, and nonpolluting optimal technique, which has been widely used to characterize chemical and physical properties of a wide range of materials.
Materials and Methods Sample origin.
It's optimitic to conclude that this method is valuable for wood science research which will get extensive application in wood science and technology, and can contribute to optimal utilization of wood.
Zhang: Journal of Northeast Forestry University. in press
Zhang: Forestry science & technology.
Online since: October 2011
Authors: Zhen Lin Wei, Ya Hui Song, Jing Han
The inventory analysis of the Energy Grass’s life cycle The definition of life cycle assessment can be summarized as: analysis and evaluation of resources and environmental impact of a product and its packing and productive technology, raw materials, energy or some other whole process of human activity, including collection of raw materials, processing, production, packaging, transportation, consumption and recycling as well as final disposal etc[2,3,4].
Beijing: Science press, 2006.
Ecological Environment Material.
Journal of East China University of Science and Technology(Social Science Edition), 2007, 22(2): 74-78.
Online since: January 2012
Authors: Jun Cheng Liu, Bo Xue Tan, De Jie Song
Improvement of Crystal Growth Control System Dejie Song1, Boxue Tan1 and Juncheng Liu2 1School of Electrical and Electronic Engineering, Shandong University of Technology, SDUT, Zibo, Shandong, 255049, China 2School of Material Science and Engineering, Shandong University of Technology, SDUT, Zibo, Shandong, 255049, China Email: 1s_dj@sina.com, 2jchliu@sdut.edu.cn Keywords–cadmium zinc telluride; crystal growth; control system; System Improvement Abstract— For the existing drawbacks in the crucible rotation vertical drop method, the control system is improved.
Crystal growth control system block diagram Cadmium Zinc Tellurium Crystal Growth Principle By material science know CdZnTe Crystal melting point higher, its melting point values is in connection with CdZnTe three materials ratio; for example, Te Zn0.04 Cd0.96, Crystal melting point is 1095 ℃[1].
In order to guarantee that the tellurium zinc cadmium material interior elevation of temperature is even, the elevation of temperature process uses the curve control to make it to elevate temperature slowly.
Produced cadmium zinc tellurium ingot Acknowledgment This work was supported by Natural Science Foundation of China (NSFC), Grant No. 50372036.
“Growth and properties of high resistivity Cd0.8Zn0.2Te single crystals,” Chinese Journal of Semiconductors, vol. 23(2), pp. 157-160, 2002
Online since: February 2014
Authors: Huey Ling Chang, Jin Shyong Lin, Chih Ming Chen, Chin Huang Sun
These properties make the AAO be a nano template material.
The aluminum purity of 99.9% used as the base material, the electrolyte was oxalic acid, sulfuric acid or phosphoric acid.
Fawcett: Materials, Vol. 4 (2011), p. 487
Teramae: Nature Materials, Vol. 3 (2004), p. 337
Ford: Journal of Membrane Science, Vol. 275 (2006), p. 255
Online since: July 2012
Authors: Shuang Kun Chen, Hong Ling Qin, Chun Hua Zhao, Gang Wu
Effect of Wettability on Tribological Properties of Porous UHMWPE Wu Gang1,a, Chen Shuang-kun1,b, Qin Hong-ling1,c and Zhao Chun-hua1,d 1 College of Mechanical and Material Engineering, China Three Gorges University, Yichang 443002, China awwwg2000@sina.com, bchensk@sina.com, cqhl@ctgu.edu.cn, dzhaolilic@ctgu.edu.cn Key words: UHMWPE; porous structure; friction coefficient; wear loss Abstract.
Wettability, one of important characteristics of porous materials, has vital affect on their tribological results in lubricant[4-5].
Materials and methods Materials UHMWPE powder, which supplied by Beijing lishihang Co.Ltd., P.R.China, has the average diameter of 75um, and an average molecular weight of 3,130,000.
Acknowledgements The authors gratefully acknowledge the financial support of the National Natural Science Foundation of P.R.China (Grant NO.50905097).
Journal of Cellular Plastics.
Online since: December 2011
Authors: Lin Gao, Yan Shi, Ya Chang Liu
Experiment Raw Materials Cement: Hailuo P.O 42.5 cement.
Main chemical ingredients of cement (%) Material SiO2 Al2O3 Fe2O3 CaO MgO SO3 cement 23.35 7.92 4.03 55.76 2.09 2.82 Table 2.
(In Chinese) [2] Yi Chi, Jian Yin, Yijin Li: China building materials science and technology, vol. 6(2005), p.34-39.
(In Chinese) [4] Xueliang Ge, Li Zeng: Shanxi building and building materials, vol.114(2004), p.36-38.
(In Chinese) [5] Zhenxian Xing, Rinong Zhou:Journal of north china institute of water conservancy and hydroelectric power, vol.19(2) (1998), p.30-32.
Online since: June 2014
Authors: Yong Gang Zeng
Among them, the adsorption method was rich in material ingredient, cheap, needless regeneration after using, greatly reduced the treatment costs of waste water’s heavy metal ions.
Materials and Methods Materials and Device Chemicals: 2-acrylamide-2-methyl propane sulfonic acid (AMPS), chemical pure; sodium hydroxide, analytical grade; N,N'-Methylenebisacrylamide(NMBA), analytical grade; potassium persulfate(KPS), analytical grade.
After a preliminary analysis, the main reason was that, in initial phase, after the adsorption material contacted and absorbed with heavy metal ions, after a long time oscillation, made the heavy metal ions which had been already absorbed escape from the adsorption again.
Research Progress of Ionic Adsorption and Separation Material.
Journal of Soochow University Engineering Science Edition, Vol.24(2004),p.55-59
Online since: November 2010
Authors: Da Lin Hu, Long Gang Chen, Feng Cheng
Introduction Stone masonry is an oldest building material, most early masonry is lime mortar or low-grade cement mortar stone masonry, the strength of which is lower.
Based on the test results and relevant standards, design value of shear strength of the masonry is assessed and discussed in this study. 1 Tests of Raw Materials Granite, limestone and sandstone is chosen as the blocks of specimens of the masonry.
Mechanical properties of the blocks are tested according to Test Methods of Stone Material for Highway Engineering [4], and the mechanical parameters of the blocks are shown in table 1.
According to simulating analysis of shear test, shear stress at the location of shear cracks is greater than the shear strength defined by Eq.3 and less than the shear strength of blocks or the joint concrete [2,6].When the strength of joint material is lower, the shear strength of masonry is mainly determined by the joint material and has, basically, nothing to do with the block strength, and this conclusion is also confirmed in high-strength masonry of this study.
References [1] Yi-liang Qian and Chu-xian Shi,Collection of Masonry Structure Study[M], Hunan University Press, Changsha China, 1989, 51-61 [2] Da-lin Hu, Shear Strength Tests of Dolomite Masonry[J], Journal of Chang'an University (Natural Science), 2003 (2), 43-47 [3] GBJ129-90:Standard for Test Methods of Basic Mechanical Properties of Masonry[S], 1990 [4] JTJ054-94:Test Methods of Stone Material for Highway Engineering,1994 [5] JTJ041-2000:Technical Specifications for Construction of Highway Bridges and Culverts[S], 2000 [6] Da-lin Hu, Study on Load-bearing Capacity of Long span Stone Arch Bridges[D], Chang'an University, Xi'an China, 2007,7 [7] JTG D61-2005:Code for Design of Highway Masonry Bridges and Culverts[S], 2005