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Online since: December 2016
Authors: Balázs Nagy, Emese Paulik
The conversions of the thermal conductivity to design values can be done using the following formulas:
FT=efTT2-T1 (1)
Fm=efψψ2-ψ1 (2)
λ2=λ1∙FT∙Fm∙Fa [W·m-1·K-1] (3)
where FT, Fm are the conversion factors of temperature, moisture and ageing. fT is the temperature conversion coefficient, fψ is the moisture conversion coefficient volume by volume which values are specific to the materials.
Nehme (BME Dept. of Construction Materials and Technologies) for his help and advices during the preparation of the concrete samples and material testing laboratory tests, and Lili Laczák (BME Dept. of Structural Engineering) for her help and advices in static design.
References [1] MSZ EN ISO 10456:2008, Building materials and products.
Tasdemir, The Thermal Insulation and Strength Properties of Light Concretes, The Journal of Turkey Engineering News 427 (2003) pp. 57-61
Szagri, Hygrothermal properties of steel fiber reinforced concretes, Applied Mechanics and Materials 824 (2016) pp. 579-588
Nehme (BME Dept. of Construction Materials and Technologies) for his help and advices during the preparation of the concrete samples and material testing laboratory tests, and Lili Laczák (BME Dept. of Structural Engineering) for her help and advices in static design.
References [1] MSZ EN ISO 10456:2008, Building materials and products.
Tasdemir, The Thermal Insulation and Strength Properties of Light Concretes, The Journal of Turkey Engineering News 427 (2003) pp. 57-61
Szagri, Hygrothermal properties of steel fiber reinforced concretes, Applied Mechanics and Materials 824 (2016) pp. 579-588
Online since: June 2022
Authors: João Bessa, Luisa M. Arruda, Raul Fangueiro, Inês P. Moreira, Inês Boticas
When it comes to detecting physical signals, as body pressure, carbon-based materials are an adequate resource, mainly due to their thermal and mechanical properties, along with their piezoresistive behavior, that is, the ability to change its electrical resistance from a mechanical deformation.
Among these, graphene nanoplatelets (GNPs) have a more affordable price when compared to other carbon-based materials, making it more applicable on an industrial scale [6, 7].
Plasma treatment is a surface treatment of different materials that takes place from the equal discharge of positively and negatively charged particles [11].
Experimental Materials and methods Materials.
It is also possible to observe an increase in roughness in the samples that received the corrosion treatment with NaOH, due to the extraction of low molecular weight materials and the presence of lignin in them [15].
Among these, graphene nanoplatelets (GNPs) have a more affordable price when compared to other carbon-based materials, making it more applicable on an industrial scale [6, 7].
Plasma treatment is a surface treatment of different materials that takes place from the equal discharge of positively and negatively charged particles [11].
Experimental Materials and methods Materials.
It is also possible to observe an increase in roughness in the samples that received the corrosion treatment with NaOH, due to the extraction of low molecular weight materials and the presence of lignin in them [15].
Online since: October 2017
Authors: Fatemeh Kalantari, Osman Mohd Tahir, Ahmad Mahmoudi Lahijani, Shahaboddin Kalantari
The study resources were formed from 63 different source types such as journals, conference papers, theses, books as well as standard, a report from Web of Science, Scopus, ProQuest as well as Google Scholar.
They consist of 43 journals, 7 theses, 2 Books chapter, 2 conference paper and 9 websites of VF.
These main strategies further imply: cutting down on the use of energy sources, using the sources again, using recycled materials, protecting natural reservoir, ridding of toxic materials, heading to economic matters and enhancing quality.
The existing gap among agronomic attempts and between various fields of research need to be filled so that industrial, collective thinking is created and the effect of diverse technologies, attempts and materials are strengthened on productivity.
Vogel, “Upending the traditional farm,” Science (80-. )., vol. 319, no. 5864, pp. 752–753, Feb. 2008
They consist of 43 journals, 7 theses, 2 Books chapter, 2 conference paper and 9 websites of VF.
These main strategies further imply: cutting down on the use of energy sources, using the sources again, using recycled materials, protecting natural reservoir, ridding of toxic materials, heading to economic matters and enhancing quality.
The existing gap among agronomic attempts and between various fields of research need to be filled so that industrial, collective thinking is created and the effect of diverse technologies, attempts and materials are strengthened on productivity.
Vogel, “Upending the traditional farm,” Science (80-. )., vol. 319, no. 5864, pp. 752–753, Feb. 2008
Online since: August 2023
Authors: Alin Constantin Murariu, Michelangelo Mortello, Giuseppe Casalino
Innovative solutions have been developed by adopting new advanced materials and innovative technologies.
Rashed in: Reference Module in Materials Science and Materials Engineering (2017) [9] S.
Materials Vol. 9(11), (2016), p. 915 [17] M.
Ertunc: The prediction of mechanical behavior for steel wires and cord materials using neural networks Mater.
Williams: Parameters controlling weld bead profile in conduction laser welding Journal of Materials Processing Technology Volume 249, November 2017, Pages 522-530 [29] P.
Rashed in: Reference Module in Materials Science and Materials Engineering (2017) [9] S.
Materials Vol. 9(11), (2016), p. 915 [17] M.
Ertunc: The prediction of mechanical behavior for steel wires and cord materials using neural networks Mater.
Williams: Parameters controlling weld bead profile in conduction laser welding Journal of Materials Processing Technology Volume 249, November 2017, Pages 522-530 [29] P.
Online since: April 2004
Authors: Stepas Janušonis, Vida Janušonienė
Moreover, there we do not
recognise an exchanging of materials there.
Let us remind that this way permits an approximation of materials by parameters and processes by interactions of them.
It was proofed that development and especially reproduction requires parameters (materials) capable of interaction with other parameters in different ways which cannot be expected from non-organic materials, but we can hope for this in organic ones.
In it we can expect to define necessary and sufficient conditions for development and reproduction irrespective of concrete processes and materials.
Edge etch method for producing narrow openings to the surface of materials / H.H.
Let us remind that this way permits an approximation of materials by parameters and processes by interactions of them.
It was proofed that development and especially reproduction requires parameters (materials) capable of interaction with other parameters in different ways which cannot be expected from non-organic materials, but we can hope for this in organic ones.
In it we can expect to define necessary and sufficient conditions for development and reproduction irrespective of concrete processes and materials.
Edge etch method for producing narrow openings to the surface of materials / H.H.
Online since: September 2016
Authors: Al Omran Zaki, Ibrahim Mohammed, S. Barry Mohammed, Al Nahdi Fahad, K. Rahman Muhammad
Laboratory scale testing for evaluating mechanical and durability was subsequently conducted on the concrete mix proposed in the durability modeling studies using local materials.
It models the transport of chemical species in cementitious materials resulting from exchanges at the material/environment interface.
Silvio, Engineering properties of blended concrete with Colombian rice husk ash and metakaolin, Materials Engineering, 15(2), (2013), 225-235
Kurtis, Alternative cementitious materials: Challenges and opportunities, ACI SP-305-27 (2015) 27.1-27.10
Al-Mana, Permeability and Durability of Plain and Blended Cement Concretes Cured in Field and Laboratory Conditions, ACI Materials Journal, 9(2) (1995) 111-116
It models the transport of chemical species in cementitious materials resulting from exchanges at the material/environment interface.
Silvio, Engineering properties of blended concrete with Colombian rice husk ash and metakaolin, Materials Engineering, 15(2), (2013), 225-235
Kurtis, Alternative cementitious materials: Challenges and opportunities, ACI SP-305-27 (2015) 27.1-27.10
Al-Mana, Permeability and Durability of Plain and Blended Cement Concretes Cured in Field and Laboratory Conditions, ACI Materials Journal, 9(2) (1995) 111-116
Online since: August 2010
Authors: Guo Xian Yu, Xiao Long Zhou, Jin An Wang, Cheng Lie Li, Li Fang Chen, Jing Sun, Xiao Ming Hou
Rice hull is a major by-product of the rice milling industry and one of the most commonly ligneous
materials with high ash content.
Therefore, efforts for the better use of rice hull to prepare new functionalized materials, such as silica and activated carbons are under way.
Source of the rice hull starting materials The starting carbon material used in this study was rice hull, provided by Yu Men Rice Mill, China.
Ismadji: Chemical Engineering Journal Vol. 140 (2008), p.32
J Rivera-Utrilla: Carbon materials as adsorbents in aqueous solutions.
Therefore, efforts for the better use of rice hull to prepare new functionalized materials, such as silica and activated carbons are under way.
Source of the rice hull starting materials The starting carbon material used in this study was rice hull, provided by Yu Men Rice Mill, China.
Ismadji: Chemical Engineering Journal Vol. 140 (2008), p.32
J Rivera-Utrilla: Carbon materials as adsorbents in aqueous solutions.
Online since: June 2025
Authors: Marianna Vadászi, Gábor Hasulyó
But there is also a significant causal link between material failures and material conflicts of interest that led to failure and then accident.
Hydrocarbon flame (left), hydrogen flame (right) [7] In addition to being flammable, hydrogen can easily permeate materials and in some cases even brittle them.
This can be avoided by selecting materials suitable for the expected load, as well as observing the appropriate operating conditions (gas pressure, temperature, mechanical stress).
For this reason, storage tanks are made of stainless steel and composite materials.
Information on: https://mmaws.bme.hu/2009/eloadasok/day3/6-szekcio/008.pdf [14] Australia's national science agency - How the Hydrogen Refuelling Station works.
Hydrocarbon flame (left), hydrogen flame (right) [7] In addition to being flammable, hydrogen can easily permeate materials and in some cases even brittle them.
This can be avoided by selecting materials suitable for the expected load, as well as observing the appropriate operating conditions (gas pressure, temperature, mechanical stress).
For this reason, storage tanks are made of stainless steel and composite materials.
Information on: https://mmaws.bme.hu/2009/eloadasok/day3/6-szekcio/008.pdf [14] Australia's national science agency - How the Hydrogen Refuelling Station works.
Online since: December 2011
Authors: Jiong Tian Liu, An Ning Zhou, Zhen Li, Chao Yang
Study on the Mixed Characters of Double-Impeller Pulp-mixing Mechanism Based on the Cycle/Shear Coupling
Zhen Li1, a, Chao Yang1, b, Anning Zhou1,c and Jiongtian Liu2,d
1School of Chemistry and Chemical Engineering, Xi’ An University of Science and Technology, Xi’ An 710054, China
2School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221008,China
alizhenac@126.com, bchao_yang1220@163.com, czhouanning2004@yahoo.com.cn, dscetljt@126.com
Keywords: pulp-mixing; secondary flow cycle; cycle; shearing; mixing
Abstract.
So the action mechanism combining axial flow impeller and radial flow impeller is designed to achieve the coupling of advantageous characters on aspects of cycle and shear under the effect of the two types of impellers and construct pulp-mixing strengthening system, thus enabling the pulp-mixing materials to achieve good cycle and obtain the shearing effects.
Acknowledgements Financial supports for this research, provided by Key Projects in the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period (No. 2008BAB31B01), Scientific Research Program Funded by Shaanxi Provincial Education Department (No. 11JK0778), Xi'an Science and Technology University Doctor Initiate Item (No. 2010QDJ031), and Xi'an Science and Technology University Cultivation Foundation Item (No. 2010021), are gratefully acknowledged.
Shandong Coal Science and Technology, 2008(6):65-66(In Chinese)
Journal of China University of Mining & Technology,2011,40(1):133-139(In Chinese)
So the action mechanism combining axial flow impeller and radial flow impeller is designed to achieve the coupling of advantageous characters on aspects of cycle and shear under the effect of the two types of impellers and construct pulp-mixing strengthening system, thus enabling the pulp-mixing materials to achieve good cycle and obtain the shearing effects.
Acknowledgements Financial supports for this research, provided by Key Projects in the National Science & Technology Pillar Program during the Eleventh Five-Year Plan Period (No. 2008BAB31B01), Scientific Research Program Funded by Shaanxi Provincial Education Department (No. 11JK0778), Xi'an Science and Technology University Doctor Initiate Item (No. 2010QDJ031), and Xi'an Science and Technology University Cultivation Foundation Item (No. 2010021), are gratefully acknowledged.
Shandong Coal Science and Technology, 2008(6):65-66(In Chinese)
Journal of China University of Mining & Technology,2011,40(1):133-139(In Chinese)
Design and Realization of an Early Pre-Impact Fall Alarm System Based on MEMS Inertial Sensing Units
Online since: November 2013
Authors: Guo Ru Zhao, Yun Kun Ning, Qi Zhang, Hui Qi Li, Ding Liang
Materials and methods
The equipment should adopt a kind of wearable design for the system needs to monitor the motion feature parameters of the fall alarm in real-time, and it couldn’t impede people's normal action at the same time.
Acknowledgements This study was financed partially by the Projects of National Natural Science Foundation of China (Grant Nos. 51105359 and 61072031), the National 863 Program of China (Grant No. 2012AA02A604), the National 973 Program of China (Grant No. 2010CB732606) and the ‘Low-cost Healthcare’ Programs of Chinese Academy of Sciences, and the Guangdong Innovation Research Team Fund for Low-cost Healthcare. 6.
Springer Science Business Media, LLC 2012 (USA) : 671-672
Journal of Clinical Rehabilitative Tissue Engineering Research, 14(28) (2010) 9029-9032 [10] Federico Bianchi, Stephen J.
Science Direct, Medical Engineering & Physics . 30 (2008) 84-90
Acknowledgements This study was financed partially by the Projects of National Natural Science Foundation of China (Grant Nos. 51105359 and 61072031), the National 863 Program of China (Grant No. 2012AA02A604), the National 973 Program of China (Grant No. 2010CB732606) and the ‘Low-cost Healthcare’ Programs of Chinese Academy of Sciences, and the Guangdong Innovation Research Team Fund for Low-cost Healthcare. 6.
Springer Science Business Media, LLC 2012 (USA) : 671-672
Journal of Clinical Rehabilitative Tissue Engineering Research, 14(28) (2010) 9029-9032 [10] Federico Bianchi, Stephen J.
Science Direct, Medical Engineering & Physics . 30 (2008) 84-90