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Online since: July 2016
Authors: Priscilla Gloria Lorraine Baker, Immaculate N. Michira, Emmanuel Iheanyichukwu Iwuoha, David Mutuku Katithi, Peterson M. Guto, Geoffrey N. Kamau
Nanoscale materials find applications in bio-sensing, media recording, optics, catalysis, and environmental remediation [1].
Given that such materials are organic in nature they are responsible for the charging effect observed.
Normally, it is common to use hydrogen peroxide, a strong oxidizing agent and/or catalyst in the degradation of most materials [14].
Zhang, Synthesis, properties and environmental applications of nanoscale iron based materials: A review.
Journal of Hazardous Materials 186(2011) (1) 280-287
Given that such materials are organic in nature they are responsible for the charging effect observed.
Normally, it is common to use hydrogen peroxide, a strong oxidizing agent and/or catalyst in the degradation of most materials [14].
Zhang, Synthesis, properties and environmental applications of nanoscale iron based materials: A review.
Journal of Hazardous Materials 186(2011) (1) 280-287
Online since: January 2013
Authors: Quan Chen Gao, Guo Bo Han
Journal of Tongji University (Social Science Section), 2008(8): 39-46
[9] Li Wenqing, Li Yue.
Journal of Business Economics, 2008, 6: 15-20 [13] Jiang Qiyuan, Xie Jinxing.
Study on Risk Identification and Appraisal of Dynamic Alliance [J].Journal of University of Shanghai for Science and Technology, 2006, 28(1): 39-43 [16] Song Jinzhao.
China Safety Science Journal, 2005(8): 88-92 [19] Zhang Feilian, Shi Feng, Chen Tao.
Journal of the China Railway Society, 2002(12): 6-10
Journal of Business Economics, 2008, 6: 15-20 [13] Jiang Qiyuan, Xie Jinxing.
Study on Risk Identification and Appraisal of Dynamic Alliance [J].Journal of University of Shanghai for Science and Technology, 2006, 28(1): 39-43 [16] Song Jinzhao.
China Safety Science Journal, 2005(8): 88-92 [19] Zhang Feilian, Shi Feng, Chen Tao.
Journal of the China Railway Society, 2002(12): 6-10
Online since: June 2025
Authors: Anugrah Pratama Supriyono, Sunaryono Sunaryono, Nadiya Miftachul Chusna, Arif Hidayat
The use of carbon-based materials as CE components marks a significant advancement, offering a viable replacement for Pt materials with comparable performance at reduced manufacturing costs [9-10].
However, carbon-based materials like rGO often display low catalytic activity.
Experimental Method Materials The study employed various materials, with graphite powder, 85% H3PO4, 30% H2O2, and KMnO4 (all from Merck) being used for GO synthesis.
This analytical technique determines the absorption capabilities of semiconductor materials [37].
Hegedus, Handbook of photovoltaic science and engineering.
However, carbon-based materials like rGO often display low catalytic activity.
Experimental Method Materials The study employed various materials, with graphite powder, 85% H3PO4, 30% H2O2, and KMnO4 (all from Merck) being used for GO synthesis.
This analytical technique determines the absorption capabilities of semiconductor materials [37].
Hegedus, Handbook of photovoltaic science and engineering.
Online since: November 2014
Authors: Yan Yan Wang, Chang Ling Zhou, Chong Hai Wang, Rui Xiang Liu, Kai Jiang
The development direction of ultra high temperature heat structure composite materials of the Cf/SiC composites is matrix modification or surface coating processing by ZrB2. [3] The addition of SiC can improve the oxidation resistance of ZrB2 at 1000°C ~1500°C.
In addition, SiC can also improve the sintering performance of materials, improving mechanical properties which including fractures toughness and bending strength.
The direct method is to put the coating material directly to the surface of base material.
Composites Science and Technology, 2008, 68: 1718-1726 [5] M.
Journal of materials science,2004, 39 5925 - 5937
In addition, SiC can also improve the sintering performance of materials, improving mechanical properties which including fractures toughness and bending strength.
The direct method is to put the coating material directly to the surface of base material.
Composites Science and Technology, 2008, 68: 1718-1726 [5] M.
Journal of materials science,2004, 39 5925 - 5937
Online since: June 2021
Authors: De Gui Liu, Ji Zhen Li, Hai Bao Wu, Jian Fei Wang, Fu Long Chen
The material must be annealed to eliminate the internal stress of the material.
Polished with sandpaper, and corroded by 4% nitric acid + alcohol for a certain period of time, the materials in the four states were observed under the secondary electron mode of tungsten filament scanning electron microscope at different magnifications.
For materials with poor plasticity, the occurrence of flanging defects could easily cause cracks in the mouth, leading to scrapped parts.
Comprehensive performance evaluation of D406A steel based on new smelting process, Journal of Military Transportation Institute, 13(2011) 83-86
Analysis of the Strength and Stability of an Engine Shell, Hubei Aerospace Science and Technology, 2 (2001) 13-18.
Polished with sandpaper, and corroded by 4% nitric acid + alcohol for a certain period of time, the materials in the four states were observed under the secondary electron mode of tungsten filament scanning electron microscope at different magnifications.
For materials with poor plasticity, the occurrence of flanging defects could easily cause cracks in the mouth, leading to scrapped parts.
Comprehensive performance evaluation of D406A steel based on new smelting process, Journal of Military Transportation Institute, 13(2011) 83-86
Analysis of the Strength and Stability of an Engine Shell, Hubei Aerospace Science and Technology, 2 (2001) 13-18.
Online since: December 2013
Authors: Xin Liu, Xin Wang
But the foaming med has strong corrosion, so the currently used tie material can not satisfy the requirement of duration.
So, it is emergent to create a kind of tie material, which is economic, antirust and has no pollution.
The process of making up material of reinforcement, making and curing of mortar and concrete specimen completed in test room.
Journal of huazhong university of science and technology, 2006,23(S1):148-152
New Building Materials, 2005, (12):10-12.
So, it is emergent to create a kind of tie material, which is economic, antirust and has no pollution.
The process of making up material of reinforcement, making and curing of mortar and concrete specimen completed in test room.
Journal of huazhong university of science and technology, 2006,23(S1):148-152
New Building Materials, 2005, (12):10-12.
Online since: December 2010
Authors: Tie Hu Li, Ning Li Li, Jian Zhong Pei, Xin Po Zhao
College of Materials Science and Engineering, Northwestern Polytechnical University,
Xian 710072, China
4.
Acknowledgements The authors acknowledge the financially support provided by Shaanxi Programs for Science and Technology Development (Fund No. 2005k06-G5).
References [1] Yangyong Sun and Qisen Zhang: journal of Changsha Jiaotong College, Vol.18(2002), p. 67, (in Chinese)
[2] Ningli Li, Tiehu Li, Huaxin Chen and Zhengqi Zhang: China civil engineering journal, Vol.40(2007), p. 86,(in Chinese)
[5] Robert Lundstrom, Ulf Isacsson: Journal of materials in civil engineering, Vol.16(2004), p. 629
Acknowledgements The authors acknowledge the financially support provided by Shaanxi Programs for Science and Technology Development (Fund No. 2005k06-G5).
References [1] Yangyong Sun and Qisen Zhang: journal of Changsha Jiaotong College, Vol.18(2002), p. 67, (in Chinese)
[2] Ningli Li, Tiehu Li, Huaxin Chen and Zhengqi Zhang: China civil engineering journal, Vol.40(2007), p. 86,(in Chinese)
[5] Robert Lundstrom, Ulf Isacsson: Journal of materials in civil engineering, Vol.16(2004), p. 629
Online since: December 2023
Authors: Felix Welzel, Maria Helene Friedo, Hannes Jacobs, Andreas H. Foitzik, Andreas Engels
The filter cake on the membrane grows as the thickness of the separated materials increases when the static method of dead-end filtration is being applied.
Membranes for ultra-, nano-, or microfiltration are made of various materials, and there are parameters for characterizing microporous membranes as detailed in table 1.
Each filter size and material were tested three times.
The dependency of the CFU on the pore size and filter material is evident in figure 6.
Journal of Membrane Science, 520, 337-344
Membranes for ultra-, nano-, or microfiltration are made of various materials, and there are parameters for characterizing microporous membranes as detailed in table 1.
Each filter size and material were tested three times.
The dependency of the CFU on the pore size and filter material is evident in figure 6.
Journal of Membrane Science, 520, 337-344
Online since: April 2013
Authors: Benali Boutabout, Djamel Ouinas, Habib Achache
The composites materials based on the epoxy matrix and reinforcing fibers are extensively used in aircraft structures due to their high specific characteristics.
Introduction To achieve ever greater mechanical performance, innovative materials continue develop.
These materials are assembled by drilling and riveting and / or bolting, and hundreds of thousands of rivets or bolts are required for the assembly of an airplane.
We notice that the three curves of the three SCF materials have a similar appearance.
Bekaou, Composites Science and Technology 57 (1997) 1661–1672
Introduction To achieve ever greater mechanical performance, innovative materials continue develop.
These materials are assembled by drilling and riveting and / or bolting, and hundreds of thousands of rivets or bolts are required for the assembly of an airplane.
We notice that the three curves of the three SCF materials have a similar appearance.
Bekaou, Composites Science and Technology 57 (1997) 1661–1672
Online since: April 2020
Authors: Jana Chovancová, Danica Fazekašova, Juraj Fazekaš
Soil Material Quality and Environmental Potential of Metallically Contaminated Soils
J.
Material and Method The researched area of central Spiš (Krompachy, Rudňany, Slovinky and Poráč) is located in the Spiš region Fig. 1, which represents the territory of the 2nd environmental quality, i.e. a region with a slightly disturbed environment.
Mining of mineral resources together with the utility component also relocated large volumes of residual material, which was subsequently stored in the form of mining deposits, heaps and tailings ponds, which significantly disturbed the landscape structure and contaminated individual components of the environment.
Mendoza, Effect of acetate, citrate and lactate in corporation on distribution of Cd and Cu chemical forms in soils, Communication in Soil Science and Plant Analysis. 32 (2001) 5-6
Vilček, Mapping and evaluation of the environmental functions of agricultural soils in Slovakia, Geografický časopis / Geographical Journal. 66 (2014) 287-304
Material and Method The researched area of central Spiš (Krompachy, Rudňany, Slovinky and Poráč) is located in the Spiš region Fig. 1, which represents the territory of the 2nd environmental quality, i.e. a region with a slightly disturbed environment.
Mining of mineral resources together with the utility component also relocated large volumes of residual material, which was subsequently stored in the form of mining deposits, heaps and tailings ponds, which significantly disturbed the landscape structure and contaminated individual components of the environment.
Mendoza, Effect of acetate, citrate and lactate in corporation on distribution of Cd and Cu chemical forms in soils, Communication in Soil Science and Plant Analysis. 32 (2001) 5-6
Vilček, Mapping and evaluation of the environmental functions of agricultural soils in Slovakia, Geografický časopis / Geographical Journal. 66 (2014) 287-304