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Online since: December 2012
Authors: Xin Li Zhu, Chao Wang, Wei Juan Lan, Guan Yi Chen
In the updraft gasifier, the material is fed from the top and the air is introduced from the bottom through a grate.
In this kind of system the bed material rests on a distributor plate through which the fluidizing medium, air, is passed at a velocity about five times that of minimum fluidization velocity.
In this kind of system, the velocity of the fluidizing air is much higher than the terminal settling velocity of the bed material.
Many factors influencing generation capacity, such as material collection, high transmission and distribution losses add to difficulty of biomass utilizion.
International Journal of Hydrogen Energy 35(9):4048-4059 (2010)
In this kind of system the bed material rests on a distributor plate through which the fluidizing medium, air, is passed at a velocity about five times that of minimum fluidization velocity.
In this kind of system, the velocity of the fluidizing air is much higher than the terminal settling velocity of the bed material.
Many factors influencing generation capacity, such as material collection, high transmission and distribution losses add to difficulty of biomass utilizion.
International Journal of Hydrogen Energy 35(9):4048-4059 (2010)
Online since: July 2014
Authors: S.B. Arun, R. Suresh, K.V. Yathish
Experimental Methods
Materials: Simarouba Glauca, Mahua seeds, Potassium Hydroxide pellets (500gm) and Calcium Oxide (500gm) were used in production of biodiesel.
Properties Standard Biodiesel Range Experimental values SOME MOME KOME [9] 1 Kinematic Viscosity (Cst) at 40°C ASTM D445 1.9-6.0 4.7 5.6 5.431 2 Flash point (°C) ASTM D93 >130 151 170 116 3 Density (Kg/m3) ASTM D4052 870-900 865 861 889 4 Cloud point, oC IS:1448 (P 10) -3 to 12 19 24 22 5 Pour point, oC IS: 1448 (P 10) -15 to 10 15 11 15.8 6 Ash, %w/w IS:1448 (P 4) 0.5max - - 0.003 7 Carbon residue %w/w IS:1448 (P 8) 0.05max - - 0.08 ASTM=American Society for Testing and Materials, SOME=Simarouba Oil Methyl Ester, MOME= Mahua Oil Methyl Ester, KOME= Karanja Oil Methyl Ester Kinematic viscosity: The viscometer bath is used to maintain constant temperature for estimating Kinematic viscosity of biodiesel.
[6] Gilman E.F. and Watson D.G., Simarouba glauca: Paradise-tree, Institute of food and Agricultural Sciences, university of florida, Gainesville FL 32611.
Fact Sheet ST-590, http://ort.ufl.edu/database/documents/pdf/tree fact sheets/simglaa.pdf [7] Joshi S. and Hiremath s., Simarouba, oil tree, University of Agricultural Science, Bangalore and National oil seeds and vegetable oils Development Board, Gurgaon, India, (2001) [8] S.V.
Sci Ind Res, 63, 913 – 918 (2004) [10] Mishra Sruti Ranjan1, Mohanty Mahendra Kumar2 and Pattanaik Ajay Kumar3, Preparation of Biodiesel from Crude oil of Simarouba glauca using CaO as a Solid Base Catalyst, Research Journal of Recent Sciences, ISSN 2277-2502 Vol. 1(9), 49-53, September (2012) [11] Knothe G., Biodiesel, SciTopics, (2008, July 23), Retrieved 2009, October 23, from http://www.scitopics.com/Biodiesel.html (2008) [12] Enciner J.M., Gonzalez J.F., Rodriguez J.J. and Tajedor A., Biodiesel fuel from vegetable oils: Transesterification of Cynara cardunculus L, oil with ethanol, Energy Fuels, 16, 443 – 450 (2002)
Properties Standard Biodiesel Range Experimental values SOME MOME KOME [9] 1 Kinematic Viscosity (Cst) at 40°C ASTM D445 1.9-6.0 4.7 5.6 5.431 2 Flash point (°C) ASTM D93 >130 151 170 116 3 Density (Kg/m3) ASTM D4052 870-900 865 861 889 4 Cloud point, oC IS:1448 (P 10) -3 to 12 19 24 22 5 Pour point, oC IS: 1448 (P 10) -15 to 10 15 11 15.8 6 Ash, %w/w IS:1448 (P 4) 0.5max - - 0.003 7 Carbon residue %w/w IS:1448 (P 8) 0.05max - - 0.08 ASTM=American Society for Testing and Materials, SOME=Simarouba Oil Methyl Ester, MOME= Mahua Oil Methyl Ester, KOME= Karanja Oil Methyl Ester Kinematic viscosity: The viscometer bath is used to maintain constant temperature for estimating Kinematic viscosity of biodiesel.
[6] Gilman E.F. and Watson D.G., Simarouba glauca: Paradise-tree, Institute of food and Agricultural Sciences, university of florida, Gainesville FL 32611.
Fact Sheet ST-590, http://ort.ufl.edu/database/documents/pdf/tree fact sheets/simglaa.pdf [7] Joshi S. and Hiremath s., Simarouba, oil tree, University of Agricultural Science, Bangalore and National oil seeds and vegetable oils Development Board, Gurgaon, India, (2001) [8] S.V.
Sci Ind Res, 63, 913 – 918 (2004) [10] Mishra Sruti Ranjan1, Mohanty Mahendra Kumar2 and Pattanaik Ajay Kumar3, Preparation of Biodiesel from Crude oil of Simarouba glauca using CaO as a Solid Base Catalyst, Research Journal of Recent Sciences, ISSN 2277-2502 Vol. 1(9), 49-53, September (2012) [11] Knothe G., Biodiesel, SciTopics, (2008, July 23), Retrieved 2009, October 23, from http://www.scitopics.com/Biodiesel.html (2008) [12] Enciner J.M., Gonzalez J.F., Rodriguez J.J. and Tajedor A., Biodiesel fuel from vegetable oils: Transesterification of Cynara cardunculus L, oil with ethanol, Energy Fuels, 16, 443 – 450 (2002)
Online since: October 2016
Authors: Bernhard Jakoby
Moreover the interface materials themselves are often prone to degradation such that the accuracy, particularly in harsher environments, cannot be maintained.
Vellekoop, Physical Sensors for Liquid Properties, IEEE Sensors Journal, vol. 11, no. 12, pp. 3076-3085, Dec. 2011, doi: 10.1109/JSEN.2011.2167716 [7] B.
Measurement Science and Technology, 24(12), 2013, 125101
Measurement Science and Technology, 23(8), 2012, 085107
Measurement Science and Technology, 25(10), 2014, 105303
Vellekoop, Physical Sensors for Liquid Properties, IEEE Sensors Journal, vol. 11, no. 12, pp. 3076-3085, Dec. 2011, doi: 10.1109/JSEN.2011.2167716 [7] B.
Measurement Science and Technology, 24(12), 2013, 125101
Measurement Science and Technology, 23(8), 2012, 085107
Measurement Science and Technology, 25(10), 2014, 105303
Online since: September 2011
Authors: Dong Ling Ma, Jing Wei Wang, Yan Jiang
Ancient building is the physical example to study the historical science, and it is also the important reference of the new architectural design.
Next, the rendering - material editor is used to give the same color material to the same part of the old villa in order to paste texture pictures after imported into 3DGIS software.
Finally, using the property management of IMAGIS, propertie data related to the material of the old villa could be input into the property database, which achieves information inquiry of material, perimeter, area, and other attribute of the old villa.
Acknowledgements This work was financially supported by the soft science research project of Ministry of Housing and Urban-Rural Development of the People’s Republic of China (2010-k9-55).
Journal of Dalian University of Technology Vol.44 (2004), p. 449 in Chinese [3] Qiheng Wang: Suverying and Mapping of Ancient Architecture (CAB Press, China 2006) [4] Xangyuan Kong: Control Surveying (Wuhan University Press, China 2006)
Next, the rendering - material editor is used to give the same color material to the same part of the old villa in order to paste texture pictures after imported into 3DGIS software.
Finally, using the property management of IMAGIS, propertie data related to the material of the old villa could be input into the property database, which achieves information inquiry of material, perimeter, area, and other attribute of the old villa.
Acknowledgements This work was financially supported by the soft science research project of Ministry of Housing and Urban-Rural Development of the People’s Republic of China (2010-k9-55).
Journal of Dalian University of Technology Vol.44 (2004), p. 449 in Chinese [3] Qiheng Wang: Suverying and Mapping of Ancient Architecture (CAB Press, China 2006) [4] Xangyuan Kong: Control Surveying (Wuhan University Press, China 2006)
Online since: November 2005
Authors: Jianjun Cui, Yu Peng Lu, Mu Sen Li, Bin Xu, Shu Hua Wang
Effect of Micro-addition Rare Earth and Chrome on Friction and
wear Behavior of boronized layer
Bin Xu
1,a, Shuhua Wang
1, Yupeng Lu
2,b, Jianjun Cui2 and Musen Li2
1
Department of Materials Science and Engineering, Shandong Institute of Architecture and
Engineering, Jinan, China
2
Institute of Materials Science and Engineering, Shandong University, Jinan, China
a
xubin@sdai.edu.cn, bBiosdu@sdu.edu.cn
Keywords: boronized layer, RE-chrome-boronizing, Brittleness, Friction and wear
Abstract.
Pertek: Applied Surface Science Vol. 214 (2003), p. 161 [6] P.X.
Li: Chinese Journal of Mechanical Engineering (in Chinese) Vol. 31 (2002), p. 131
Pertek: Applied Surface Science Vol. 214 (2003), p. 161 [6] P.X.
Li: Chinese Journal of Mechanical Engineering (in Chinese) Vol. 31 (2002), p. 131
Online since: November 2010
Authors: Tao Yu, Yu Xia Qian, Ke Dong, Su Yu Wang
Therefore, the material removal volumes of the new process may be increased considerably.
As material, case hardened steel of 45# is used.
Acknowledgments This project is sponsored by National Key Technology R&D Program in the 11th Five year Plan of China (No.2006BAB11B05), the National Natural Science Foundation of China (No.50875158), Shandong Natural Science Foundation for Excellent Young Scientist (No.
Westberg: International Journal of Machine Tools and Manufacture, Vol. 38 (1998), No. 5-6, pp. 425-435
Fan: Key Engineering Materials, Vol. 407-408 (2009), pp. 28-32.
As material, case hardened steel of 45# is used.
Acknowledgments This project is sponsored by National Key Technology R&D Program in the 11th Five year Plan of China (No.2006BAB11B05), the National Natural Science Foundation of China (No.50875158), Shandong Natural Science Foundation for Excellent Young Scientist (No.
Westberg: International Journal of Machine Tools and Manufacture, Vol. 38 (1998), No. 5-6, pp. 425-435
Fan: Key Engineering Materials, Vol. 407-408 (2009), pp. 28-32.
Online since: February 2014
Authors: Wei Jun Tao, Hu Tian Feng, Yu Lin Wang, Zheng Ji, Kuan Huang, Yi Fei Tong
Design of a Sorting and Conveying Wheeled Mobile Robot
Yu-lin Wanga, Zheng Jib, Kuan Huangc, Wei-jun Taod, Hu-tian Fenge,
Yi-fei Tong f
School of mechanical engineering, Nanjing University of science and technology, Nanjing, China
awyl_sjtu@126.com, b275680973@qq.com, c390155753@qq.com, dtaoweijun01@163.com, efenght@mail.njust.edu.cn, ftyf51129@aliyun.com
Keywords: Sorting and conveying; Mobile robot; Mechanical hand
Abstract.
The contest area was divided into three zones: departure zone, materials storage zone, and target location zone, just as shown in Fig. 1.
In the contest, mobile robot need to reach the materials storage zone from the departure zone first, then pick up the three blocks and convey them to the three target location zones with same color respectively.
Acknowledgment This work was supported by the Fundamental Research Funds for the Central Universities (30920130111001), National Natural Science Foundation of China (51105208), and Country China Scholarship.
Hongwei: Journal of Suzhou University (Engineering Science Edition) Vol. 30(2) (2010), p. 62 [2] H.
The contest area was divided into three zones: departure zone, materials storage zone, and target location zone, just as shown in Fig. 1.
In the contest, mobile robot need to reach the materials storage zone from the departure zone first, then pick up the three blocks and convey them to the three target location zones with same color respectively.
Acknowledgment This work was supported by the Fundamental Research Funds for the Central Universities (30920130111001), National Natural Science Foundation of China (51105208), and Country China Scholarship.
Hongwei: Journal of Suzhou University (Engineering Science Edition) Vol. 30(2) (2010), p. 62 [2] H.
Online since: February 2013
Authors: Rong Gui Fan, Hui Chuan Wang, Xian Li
Experiment and Practice on the Wastewater Treatment in Tunnel Construction Processing
Fan Ronggui1,a Wang Huichuan1,2,b Li Xian1,a
1.College of Environmental Sciences and Engineering, Liaoning Technical University, Liaoning, Fuxin 123000, China;
2.
Pollutants are cement after curing, pollutant release to decrease, can reduce the secondary pollution to the environment, and the cement is necessarily in construction materials, and it’s easy to find.
China Environmental Science Society academic annual meeting papers (2009) [8] Kenny S.
The method of Hydraulic cyclone separation size calculation [J].Metallic Ore Dressing Abroad ,1992 , (05):17-26 [14] NiLingying.Cyclone Research and its prospect of application in petroleum industry [J].Journal of Filtration & Separation99, (3): 3-6 [15] The Central People’s Government of the PRC.Water and wastewater monitoring analysis method (Fourth Edition) [M].
BeiJing: China Environmental Science Press,2002 [16] Integrated wastewater discharge standard(GB 8978—1996)[S] BeiJing: ChinaPlanning Press, 1996.
Pollutants are cement after curing, pollutant release to decrease, can reduce the secondary pollution to the environment, and the cement is necessarily in construction materials, and it’s easy to find.
China Environmental Science Society academic annual meeting papers (2009) [8] Kenny S.
The method of Hydraulic cyclone separation size calculation [J].Metallic Ore Dressing Abroad ,1992 , (05):17-26 [14] NiLingying.Cyclone Research and its prospect of application in petroleum industry [J].Journal of Filtration & Separation99, (3): 3-6 [15] The Central People’s Government of the PRC.Water and wastewater monitoring analysis method (Fourth Edition) [M].
BeiJing: China Environmental Science Press,2002 [16] Integrated wastewater discharge standard(GB 8978—1996)[S] BeiJing: ChinaPlanning Press, 1996.
Online since: April 2013
Authors: Alan G. Leacock
Young: Journal of Aerospace Engineering, published online 2012
[2] R.
Bushnell: Journal of Aerospace Engineering, Vol. 217, No. 1, pp. 1-18 [4] R.
McFadden: Journal of Aerospace Engineering, Vol. 216 pp. 29 – 39 [7] H.
Sitzmann: Aerospace Science and Technology, Vol. 2, No. 1, (1998), pp. 1-12 [8] G.
McIlwain: Journal of Aerospace Engineering, Vol. 226 (2012), pp. 42 – 54
Bushnell: Journal of Aerospace Engineering, Vol. 217, No. 1, pp. 1-18 [4] R.
McFadden: Journal of Aerospace Engineering, Vol. 216 pp. 29 – 39 [7] H.
Sitzmann: Aerospace Science and Technology, Vol. 2, No. 1, (1998), pp. 1-12 [8] G.
McIlwain: Journal of Aerospace Engineering, Vol. 226 (2012), pp. 42 – 54
Online since: June 2019
Authors: Dietmar Koch, Yuan Shi, Yan Lei Xiu
As mentioned above, Weibull distribution can be used for the brittle materials e.g. carbon fiber.
Christin, "CMC Materials for Space and Aeronautical Applications," in Ceramic Matrix Composites, ed: Wiley-VCH Verlag GmbH & Co.
Quinn, "A practical and systematic review of Weibull statistics for reporting strengths of dental materials," Dent Mater, vol. 26, pp. 135-47, Feb 2010
Fischer, "Fracture statistics of brittle materials: Weibull or normal distribution," Physical Review, vol. 65, p. 067102, Jun 2002
Prasad, "Is Weibull distribution the most appropriate statistical strength distribution for brittle materials?
Christin, "CMC Materials for Space and Aeronautical Applications," in Ceramic Matrix Composites, ed: Wiley-VCH Verlag GmbH & Co.
Quinn, "A practical and systematic review of Weibull statistics for reporting strengths of dental materials," Dent Mater, vol. 26, pp. 135-47, Feb 2010
Fischer, "Fracture statistics of brittle materials: Weibull or normal distribution," Physical Review, vol. 65, p. 067102, Jun 2002
Prasad, "Is Weibull distribution the most appropriate statistical strength distribution for brittle materials?