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Online since: July 2011
Authors: Xu Wen Kong, Jin Shan Wang, Long Cui
Provide the method for improving testing accuracy of green high performance concrete strength testing by rebound method. 1 Meaning of Rebound method test the strength of green high performance concrete Concrete as the most major manmade materials, it have a big demand for resources, and have very huge influence on protecting the environment.
How long-term be Concrete, as a major building material, key lies in how it become a green materials.
Analysis thinks, for realizing the liquidity pumping concrete, increased gelled material ratio, increased sand ratio increases, gravel size is small, that reduced surface hardness, and make rebound value slants small.
Considering the influence of slump in test the strength of concrete by rebound method, plastic concrete and pumping concrete must respectively established detection strength curve. 3.Test analysis prove: raw materials, mix proportion, early maintenance methods of concrete strength, surface hardness and carbonization speed has great influence, concrete carbonization phenomenon has significant influence to test concrete strength by rebound method, not allow to ignore, therefore, carbonation depth value as an independent variable in detection strength curve.
China architecture &building press, 1996 [4] Zhongwei Wu. discussion for Concrete science and technology recent development direction, silicate journal, 1979,3, P262-270
Online since: September 2013
Authors: Miloš Drdácký, Michal Kloiber
Introduction A number of up-to-date in-situ diagnostic devices and methods use drilling for the description of behaviour and properties of a material.
Analogical devices are produced for the testing of inorganic materials, especially stone and mortar.
The material for the experiment was parts of beams extracted during a reconstruction of a historical truss of the St.
Holzforschung – International Journal of the Biology, Chemistry, Physics and technology of Wood, Vol. 50(4), 1996, pp. 303-311
Arboricultural Journal, Volume 20, Issue 1, 1996, pp. 13-36
Online since: February 2018
Authors: Vladimír Suchánek, Tomáš Bednarz, Tomáš Svojanovský
., Test Research on Elastic Modulus and Poisson’s Ratios of Long Age Recycled Aggregate Concrete, Applied Mechanics and Materials, Vols. 174–177, pp. 1051–1055, 2012
International Journal of Solids and Structures, 2007, 44(5), pp. 1370–1379, ISSN 0020-7683, https://doi.org/10.1016/j.ijsolstr.2006.06.028
M., Concrete: microstructure, properties, and materials. 4th ed.
[12] Logan, A. et al., Short-Term Mechanical Properties of High-Strength Concrete, Materials Journal, 2009, Vol. 106 (5), DOI 10.14359/51663141, pp. 413–418
[19] Shao, X. et al., Calibration of stereo-digital image correlation for deformation measurement of large engineering components, Measurement Science and Technology, 2016, Vol. 27
Online since: October 2013
Authors: Tadeusz Uhl, Krzysztof Dragan, Tadeusz Stepinski, Łukasz Ambroziński, Pawel Packo, Ziemowit Dworakowski
Ziemowit Dworakowski1, a,*, Lukasz Ambrozinski1,b , Pawel Packo1,c, Krzysztof Dragan1,2,d, Tadeusz Stepinski1,e, Tadeusz Uhl1,f, 1AGH University Of Science and Technology, al.
Su, “Crack identification in aluminium plates using Lamb wave signals of a PZT sensor network,” Smart Materials and Structures, vol. 15, no. 3, p. 839, 2006
Park, “Damage index comparison for a composite stiffened panel using Lamb wave,” Advanced Materials Research, vol. 26 - 28, pp. 1265–1268, 2007
Farrar, “Time reversal active sensing for health monitoring of a composite plate,” Journal of Sound and Vibration, vol. 302, no. 1-2, pp. 50 – 66, 2007
Rose, “Active health monitoring of an aircraft wing with embedded piezoelectric sensor/actuator network: I. defect detection, localization and growth monitoring,” Smart Materials and Structures, vol. 16, no. 4, p. 1208, 2007
Online since: February 2021
Authors: Mohammed O. Dawood, Odai N. Salman, Duha S. Ahmed
Salman1,c 1Department of Applied Sciences, University of Technology, Baghdad, Iraq 2Physics Department, Almustansiriyah University, Baghdad, Iraq *a100012@uotechnology.edu.iq, bmohammedodda2017@uomustansiriyah.edi.iq, c100125@uotechnology.edu.iq Keywords: crystalline CdS, thermal evaporation technique (TET), II-VI semiconductor nanoparticles, Metal chalcogenides Abstract.
The formation of CdS nanoparticles (hexagonal), receive more interesting in last years related to its optimum optical and structural properties that make CdS as ideal material for using in biosensors, photocatlysts, solar cells, and quantum dots as well as become a stable when contact with other organic materials improving a good antibacterial activity in resisting pathogens [14,15].
Experimental Part Synthesis of CdS NPs Thin Films High purity (99.99 %) of CdS powder (Merck) was used in the material preparation.
Journal of Nanoscience and Nanotechnology, 20,9 (2020) 5885-5895 [5] Z.
Govender, Synthesis and Antibacterial Activity of Silver And Gold Nanoparticles Produced using Aqueous Seed Extract of Protorhus Longifolia as a Reducing Agent, Digest Journal of Nanomaterials and Biostructures, 9,4 (2014) 1669-1679
Online since: November 2016
Authors: Egle Conforto, Stephane Cohendoz, Cyril Berziou, Xavier Feaugas, Patrick Girault
Introduction Hydrogen diffuses very rapidly into materials with close-package hexagonal structure as titanium, zirconium and their alloys.
Conforto, PlastOx 2007 (2009) 161-178, EDP Sciences, 2009
Ishimoto, Journal of nuclear materials 322 (2003) 66-72
Khatamian, Journal of nuclear materials 405 (2010) 171-176.
Online since: August 2013
Authors: Qing Wang, Da Ming Sun, Ming Qin Zhang
Material used in Present holding rod and underbed of execution system is mainly cast iron or stainless steel.
Therefore single span material or porous material can be used in components of execution system in order to reduce its weight.
So it can save materials and reduce energy consumption. 2.2.3 Evolution route belongs to flexibility pattern Dynamism Increase: rigid body – one hinge – two (many) hinges –elasticity object – molecular structure – field.
Li, Innovative design of new style stereo garage based on TRIZ, Journal of Engineering Design. 152 (2008) 86-89
Ding, Analysis on evolution of dispensing system base on TRIZ technology, Journal of Engineering Design. 155 (2008) 387-390.
Online since: January 2012
Authors: Jing Jun Lou, Shi Feng Hu, Shi Jian Zhu, Qi Wei He, Xiang Rong Xie
Introduction Magnetostriction, or the tendency of certain materials to strain in the presence of a magnetic field, is a well known phenomenon.
Acknowledgment This work has been supported by the National Natural Science Foundation of China (No. 50675220).
Grunwald, Design and application of magnetostrictive materials, Materials and Design 28, (2008):469–483
Structural vibration control using linear magnetostrictive actuators, Journal of Sound And Vibration 302,(2007):875-891 [4] M.T.
Dauphin-Tanguy, Les Bond Graphs, Hermes Science Europe Ltd., Paris, France, 2000 [17] W.
Online since: August 2011
Authors: Anak Khantachawana, Julathep Kajornchaiyakul, Surachai Dechkunakorn, P. Santiwong, N. Anuwongnukroh, A. Phukaoluan, Pongpan Kaewtatip
Materials and Method The raw materials used in this study were commercial grade with high purity; nickel 99.9%, titanium 99.8% and copper 99.9%.
Acknowledgements This work was supported by the Thailand Graduate Institute of Science and Technology, National Science and Technology Development Agency, contract number TGIST 01-52-009 and the Thailand Institute of Scientific and Technological Research, National Science and Technology Development Agency (NSTDA), National Metal and Materials Technology Center, Thailand (MTEC) and National Research University (NRU).
Materials Transactions.
Journal of Alloy and Compounds, Vol. 381 (2004), p.158
Fabrication of Nitinol Material and Component.
Online since: July 2012
Authors: Jian Guo Zhang, Yi Fen Zhuang, Xin Zhu Chen, Zhao Xia Dong, Wen Chang Zhang
The aim of the present study was to investigate the effects of additives and moisture content on the silage fermentation of SCT.1 Materials and Method Silage material and additives.
When silage materials are of high moisture, the content of WSC in dry matter must be over 10% in order to meet conditions in which LAB ferment normally, and ensure the silage quality [3].
This indicated that reducing the moisture content properly of raw materials can improve the fermentation quality of SCT.
Rapid decline of pH value in the early stage of silage fermentation, not only inhibited the growth of harmful bacteria, but also inhibited the activity of the plant enzymes in silage raw materials, reducing glucose oxidation by plant respiration and hydrolysis of proteins, thus saving more WSC and decreasing NH3-N content.
Hu: Journal of China Agricultural University Vol. 9 (2004), p. 32-37 [3] J.G.
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