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Online since: October 2011
Authors: Li Jun Bi, Jing Yang, Shi Quan Sun
Under certain conditions, a biological membrane layer and algae material growth in zeolite cover surface (see Fig. 3 (a)).
That blocked the material exchange of overlying water and sediment, and speed up the water purification.
The Science of the Total Envitanment, 2001, 266: 87-93
Environmental Protection Science, 2006, 32(1): 31- 33
Journal of lake sciences, 2001, 13(l): 35-42.
That blocked the material exchange of overlying water and sediment, and speed up the water purification.
The Science of the Total Envitanment, 2001, 266: 87-93
Environmental Protection Science, 2006, 32(1): 31- 33
Journal of lake sciences, 2001, 13(l): 35-42.
Online since: March 2019
Authors: The Luong Nguyen
Effects of Using Nitrile Rubber Foam and Solar Panels on Cover for Cooling Outdoor Sparking Car
Nguyen The Luong1,a
1Department of Internal Combustion Engine, School of Transportation Engineering, Hanoi University of Science and Technology, No.1 Dai Co Viet street, Hanoi, Vietnam
aluong.nguyenthe@hust.edu.vn
Keywords: Sun radiation, car cover, flexible solar panels, nitrile rubber foam, air conditioner.
High temperature will accelerate interior aging and damage to materials such as tape cassettes and plastic components of the car.
In commercial cover, the cover material is awning with a thermal conductivity of 0.06 (W/m.K), the thickness is 0,5mm, the intensity of sun radiation and heat transfer coefficient into the car are decreased, since it could reduce inside car temperature.
Acknowledgments This research has been supported by Hanoi University of Science and Technology, Vietnam Laboratory of internal combustion engine at Hanoi University of Science and Technology is acknowledged for testing References [1] Hussain H.
Study on the Thermal Accumulation and Distribution inside a Parked Car Cabin, American Journal of Applied Sciences, 7 (6): 784-789
High temperature will accelerate interior aging and damage to materials such as tape cassettes and plastic components of the car.
In commercial cover, the cover material is awning with a thermal conductivity of 0.06 (W/m.K), the thickness is 0,5mm, the intensity of sun radiation and heat transfer coefficient into the car are decreased, since it could reduce inside car temperature.
Acknowledgments This research has been supported by Hanoi University of Science and Technology, Vietnam Laboratory of internal combustion engine at Hanoi University of Science and Technology is acknowledged for testing References [1] Hussain H.
Study on the Thermal Accumulation and Distribution inside a Parked Car Cabin, American Journal of Applied Sciences, 7 (6): 784-789
Online since: January 2022
Authors: Nur Azam Badarulzaman, Suzi Salwah Jikan, Rozainita Rosley, Muhammad Sufi Roslan, Siti Noraiza Ab Razak, Fahmiruddin Esa, Munira Khalid
Effect of Complexing Agent on The Morphology and Corrosion Effect of Cu-Sn-Zn Ternary Alloy via Electroplating
Rozainita Rosley1,a*, Suzi Salwah Jikan2,b, Nur Azam Badarulzaman3,c , Fahmiruddin Esa2,d, Siti Noraiza Ab Razak1,e, Muhammad Sufi Roslan1,f
and Munira Khalid2,g
1Centre for Diploma Studies, Universiti Tun Hussein Onn Malaysia, Pagoh, Johor, Malaysia
2Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn, Pagoh, Johor, Malaysia
3Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, Parit Raja, Batu Pahat, Johor, Malaysia
arozainita@uthm.edu.my, bsuzi@uthm.edu.my, cazam@uthm.edu.my, dfahmir@uthm.edu.my, enoraiza@uthm.edu.my, fsufi@uthm.edu.my. gmunirakhalidwub@gmail.com
Keywords: Copper, tin, zinc, alloy, electrodeposition, corrosion.
Electroplating process is a method in which layers of material are coated on top of substrate due to the application of an electric current to the system.
Xue, Electroplating of Non-Fluorinated Superhydrophobic Ni/WC/WS2 Composite Coatings With High Abrasive Resistance, Applied Surface Science. 487 (2019) 1329–1340
Journal of Electrochemical Science and Engineering. 8(3) (2018) 1-13
Materials Science Forum. 888 (2017) 400–403
Electroplating process is a method in which layers of material are coated on top of substrate due to the application of an electric current to the system.
Xue, Electroplating of Non-Fluorinated Superhydrophobic Ni/WC/WS2 Composite Coatings With High Abrasive Resistance, Applied Surface Science. 487 (2019) 1329–1340
Journal of Electrochemical Science and Engineering. 8(3) (2018) 1-13
Materials Science Forum. 888 (2017) 400–403
Online since: August 2013
Authors: Rui Li, Yun Fang Meng, Xiao Hua Zhang
In this paper, illustrated by an actual case, we applied the method of orthogonal experiments to research the influence on the compressive strength of the Recycled Aggregate Concrete caused by different aggregate and various amount of additional materials used.
For improving our channel seepage control technique and construction technology, this project selected the Pingjipu dairy channel lining in Yinchuan, ningxia, in the 500 m small channels for sites, with recycled aggregates as the u-shaped slot one of raw materials for canal lining.
However, under the premise of sustainable development, utilization of construction waste is a effective of resources for environmental protection and materials science research.
Test with horse racing P.O 32.5 cement as cementitious materials.
Which can be concluded that recycled concrete used to make completely feasible channel lining material technology.
For improving our channel seepage control technique and construction technology, this project selected the Pingjipu dairy channel lining in Yinchuan, ningxia, in the 500 m small channels for sites, with recycled aggregates as the u-shaped slot one of raw materials for canal lining.
However, under the premise of sustainable development, utilization of construction waste is a effective of resources for environmental protection and materials science research.
Test with horse racing P.O 32.5 cement as cementitious materials.
Which can be concluded that recycled concrete used to make completely feasible channel lining material technology.
Online since: August 2019
Authors: Rostislav Drochytka, Nikol Žižková, Jakub Hodul, Ruben Paul Borg
Materials
Dolomite Sand.
LO1408 “AdMaS UP – Advanced Materials, Structures and Technologies”.
Clifton, Mechanisms of deterioration in cement-based materials and in lime mortar, Durability of building materials 5 (1998) 409–420
Ferrara, 2018, Crack sealing capacity in chloride-rich environments of mortars containing different cement substitutes and crystalline admixtures, Journal of Sustainable Cement Based Materials, Taylor and Francis, Volume 7, Issue 3, (2018) 141-159
Fernandez Ordonez, 2018, Sustainable Concrete: Materials and Structures, in Materials Science and Engineering, Volume 442, 01 1001, IOP Conference Proceedings
LO1408 “AdMaS UP – Advanced Materials, Structures and Technologies”.
Clifton, Mechanisms of deterioration in cement-based materials and in lime mortar, Durability of building materials 5 (1998) 409–420
Ferrara, 2018, Crack sealing capacity in chloride-rich environments of mortars containing different cement substitutes and crystalline admixtures, Journal of Sustainable Cement Based Materials, Taylor and Francis, Volume 7, Issue 3, (2018) 141-159
Fernandez Ordonez, 2018, Sustainable Concrete: Materials and Structures, in Materials Science and Engineering, Volume 442, 01 1001, IOP Conference Proceedings
Online since: December 2015
Authors: W.O. Soboyejo, D.Y. Momodu, M.G. Zebaze Kana, T. Tong
Tong2,3, M.G Zebaze Kana4,5 and W.O Soboyejo1,3,6
1Department of Materials Science and Engineering, African University of Science and Technology, Federal Capital Territory, Abuja, Nigeria.
2Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, USA.
3Princeton Institute of Science and Technology of Materials (PRISM), Princeton University, Princeton, NJ, USA
4Sheda Science and Technology Complex, Physics Advanced Laboratory, Abuja, Nigeria.
5Department of Materials Science and Engineering, Kwara State University, Malete, Nigeria.
6Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA.
There have also been recent efforts to mix the OLED active layers with other inorganic/organic materials.
For crack growth between two dissimilar materials 1 and 2 with surface energies γ1 and γ2 respectively, the adhesion energy is given by (2) where γ12 is the interaction surface energy for the two materials and Gelastic is the mode I energy release rate for crack growth between these materials.
The contact also increases for materials with higher Young's moduli.
Xu, Science 283 (1999) 1900
There have also been recent efforts to mix the OLED active layers with other inorganic/organic materials.
For crack growth between two dissimilar materials 1 and 2 with surface energies γ1 and γ2 respectively, the adhesion energy is given by (2) where γ12 is the interaction surface energy for the two materials and Gelastic is the mode I energy release rate for crack growth between these materials.
The contact also increases for materials with higher Young's moduli.
Xu, Science 283 (1999) 1900
Online since: November 2014
Authors: Jian Hua Ning
It can be seen when the strain rate is greater than the CF/PET materials yield had no obvious effect.
Advanced composite materials and aerospace [J].
Journal of Composite Materials, 2007, 24 (1) : 1-11(In Chinese)
Testing of composite materials at high rates of strain: advances and challenges[C].
Composites Science and Technology 58 (1998) 1463-1469
Advanced composite materials and aerospace [J].
Journal of Composite Materials, 2007, 24 (1) : 1-11(In Chinese)
Testing of composite materials at high rates of strain: advances and challenges[C].
Composites Science and Technology 58 (1998) 1463-1469
Online since: October 2012
Authors: Shi Yu Sun, Qi Hang Zhang
Introduction
Pesticide waste is considered any substance or material containing pesticide that cannot or will not be used and therefore must disposed of [1].
Glass, plastic and special paper is the most widely used materials that produce the pesticide container and bags.
If those polyethylene and polyethylene glycol terephthalate container are filled in buries, the material will not be degraded in a very long period, also affect the soil texture structure and the plants growth.
Thanos, “Assessing farmers’ practices on disposal of pesticide waste after use”, Science of the Total Environment.
Xu, “Study of usage of pesticide in Jingjingji Area”, Journal of Chinese Agriculture, Vol. 23(2007), No.10, pp. 44 (In Chinese) [3] Z.
Glass, plastic and special paper is the most widely used materials that produce the pesticide container and bags.
If those polyethylene and polyethylene glycol terephthalate container are filled in buries, the material will not be degraded in a very long period, also affect the soil texture structure and the plants growth.
Thanos, “Assessing farmers’ practices on disposal of pesticide waste after use”, Science of the Total Environment.
Xu, “Study of usage of pesticide in Jingjingji Area”, Journal of Chinese Agriculture, Vol. 23(2007), No.10, pp. 44 (In Chinese) [3] Z.
Online since: November 2012
Authors: Shun Xiang Xu, De Zhi Chen
In order to reduce the touchdown vibration and flying stone splash when the chimney is collapsed, 8 buffer dams shall be built at the vertical collapsed center line within ±6° range of collapsed chimney center line, within 90~224m range away from chimney’s root center, the dam materials are the coal ash, buffer loess, yellow sand etc., upper width is 2m, lower width is 6m, length is 39m~75m, height is 3m, dam spacing is 17m~20m, 2m deep vibration reduction - dust fall auxiliary slot shall be excavated between every two buffer dams, this auxiliary slot increased the buffer dam height and width in disguised form in the practical work, the diagram for excavating of the vibration reduction - dust fall auxiliary slot is shown as Fig 2.
In order to reduce the ground broken stone splash resulted from chimney touchdown, the buffer dam material should be without brokens, use 2-layer high strength sunshade net to cover the buffer dam so as to form a whole, and the woven bags with yellow sand closed shall be stacked in order at the dam top and the chimney collapsing side, lay 3 layers.
Strictly inspect and accept the quality of blast holes; Ensure the good tamping quality, and strictly prohibit the broken stone mixed in stemming when clogging the blast hole; Determine the appropriate charge quantity based on field test results, to avoid over–charge;Cover the charge parts, use the multi-layer flexible composite materials for cross nearby protection, hanging-cover the charge part by the 20 layers of dense mesh safety net and 3 layers of geotextile to prevent the overflow of flyrocks.
The multi-layer flexible composite materials for cross nearby protection can effectively control the flyrocks.
Chen: Journal of Wuhan University of Science and Technology Vol. 31 (2008) No.4:p. 33~36
In order to reduce the ground broken stone splash resulted from chimney touchdown, the buffer dam material should be without brokens, use 2-layer high strength sunshade net to cover the buffer dam so as to form a whole, and the woven bags with yellow sand closed shall be stacked in order at the dam top and the chimney collapsing side, lay 3 layers.
Strictly inspect and accept the quality of blast holes; Ensure the good tamping quality, and strictly prohibit the broken stone mixed in stemming when clogging the blast hole; Determine the appropriate charge quantity based on field test results, to avoid over–charge;Cover the charge parts, use the multi-layer flexible composite materials for cross nearby protection, hanging-cover the charge part by the 20 layers of dense mesh safety net and 3 layers of geotextile to prevent the overflow of flyrocks.
The multi-layer flexible composite materials for cross nearby protection can effectively control the flyrocks.
Chen: Journal of Wuhan University of Science and Technology Vol. 31 (2008) No.4:p. 33~36
Online since: July 2014
Authors: Wu Yao, Yong Qi Wei
Quantitative Evaluation on Pozzolanic Reaction of Silica Fume and the Time Dependent Development of Portlandite in Composite Cementitious Systems
WEI Yongqi1, a, YAO Wu 2,b
1 School of Civil Engineering, East China Institute of Technology, Nanchang 330013, China
2 School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
awei_yongqi@hotmail.com, byaowuk@tongji.edu.cn
Keywords: Quantitative phase analysis (QPA); Silica fume (SF); Pozzolanic reaction (PR); QXRD/Rietveld method; TG-DSC
Abstract.
Experimental Materials.
Acknowledgements This paper acknowledges the financial support of the Major State Basic Research Development Program of China (‘973’ Program, No. 2009CB623105) and the East China Institute of Technology Science Fund (DHBK2013201).
Y, Journal of the Chinese Ceramic Society(in Chinese). 35 (2007) 1641-1645
Yue, Pattern Manual of Inorganic Non-metallic Materials, Wuhan university of technology press, Wuhan, 2000
Experimental Materials.
Acknowledgements This paper acknowledges the financial support of the Major State Basic Research Development Program of China (‘973’ Program, No. 2009CB623105) and the East China Institute of Technology Science Fund (DHBK2013201).
Y, Journal of the Chinese Ceramic Society(in Chinese). 35 (2007) 1641-1645
Yue, Pattern Manual of Inorganic Non-metallic Materials, Wuhan university of technology press, Wuhan, 2000