Search Options

Sort by:

Sort search results by

Publication Type:

Publication Type filter

Open access:

Publication Date:

Periodicals:

Periodicals filter

Search results

Online since: October 2014
Authors: Gui Hua Yang, Yu Liu, Gao Jin Lyu, Chao Wang, Wei Kun Jiang
The total produces reached to 74mg/g of dry EMAL and which was a high quality raw material as the source of phenol and 4-ethylphenol.
Materials and Methods Lignin Isolation, Purification, and Characterization AL: The poplar sulphate pulping black liquor, obtained from the Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, was used to isolate alkali lignin.
This suggests that EMAL is a high quality raw material as the source of phenol and 4-ethylphenol.
Acknowledgements The authors are grateful for the financial support from the National Science Foundation of China (Grant Nos. 31270626, 31170547, 31270627, and 31370580), the Science Foundation of Shandong Province (Grant Nos.
Vol. 2(2007), p. 16983 [4] Ragauskas, Arthur J., et al: Science, Vol. 344(2014), p. 6185 [5]Stewart, D.: Ind.
Online since: June 2013
Authors: Ying Zhang, Han Gao, Zi Xing Wang, Ai Ling Liu
The variation of void growth ratio VG directly reflects the damage state of the materials.
The void growth ratio is the micromechanics parameters established on the micro-voids growth and coalescence in metal plastic materials.
Considering formula (4) and (5), the void growth ratio VG and AE cumulative hits N can be used as parameters which describe the damage state of the metal plastic materials.
Acknowledgements This work was financially supported by the Heilongjiang Province Natural Science Foundation (E201239 ).
Journal of Pre.
Online since: April 2008
Authors: H. Baier, M. Wedekind
Advanced Materials Research Vol. 10, pp. 23-34 ,2006 [2] H.
Journal of Materials Engineering and Performance, Volume 13 No. 5, pp. 612-618, 2004 [5] A.
Strength of Materials, Volume 7, No. 8, pp. 961-965, 1975 [7] M.
Journal of Materials Science, Volume 14, No 8, pp. 1850-1861, 1979 [10] E.
Kaw: Mechanics of Composite Materials.
Online since: July 2014
Authors: Jiao Jiao Wu
There are many elements in the whole ready-mixed concrete production process, involving materials, construction technology, machinery, environmental protection, logistics and other industries.
The main measures are: to promote the application of water-saving production process and equipment, developing the recycling water; to distribute the land rationally and reduce the occupied area in the condition of the normal production of enterprises and meeting the needs of the staff life; to reduce the unilateral power consumption of concrete; to conduct the quota management of raw materials consumption, to put the ecological design of the products into force and encourage the use of recycled materials, and to improve the utilization of raw materials and so on. 3.2 The minimization of environmental pollution The minimization of environmental pollution include four parts: reducing noise, reducing flying dusts, recycling effluent and making full use of the waste residue.
According to the green production matrix above, single technology or management measure is illustrated from the five processes of the concrete production respectively. 4.2.1 Green materials selection A(1~4) In green production process, “green materials selection” largely determines the implementation result of the maximum utilization of resources.
Concrete Greenization [J].Journal of Chongqing Jianzhu University, 2006, 28(5):129-131
Research on Herbal Paper-pulping Effluent Black Liquor Superplasticizers [J].China Building Materials , 2007,(1):85-86
Online since: August 2009
Authors: H. Ku, W. Xiang, N. Pattarachaiyakoop
As the raw materials of the composites are liquid and ceramic hollow spheres, the short bar specimens were cast to shape.
References [1] Askeland, D R, The science and engineering of materials, Third Edition, Stanley Thornes, (1998), pp.163-164
[2] Wang, H, Engineering Materials -Study Book 1, University of Southern Queensland, (2009), pp.9.13
[5] Barker, L M, Fracture mechanics applied to brittle materials, ASTM, STP 678, American Society for Testing and Materials, (1979), pp.73-82
[6] Ku, H, Cardona, F, Pattarachaiyakoop, N, Trada, M and Rogers, D, Fracture Toughness of Phenol Formaldehyde Composites Reinforced with E-spheres, Journal of Composite Materials, (2009) (accepted for publication)
Online since: October 2013
Authors: Jun Zhao, Yong Hui Zhou, Xiao Bin Cui
Micro-nano-composite ceramic material AWT10 has favorable property of shock resistance.
The conchoidal spalling, ladder face and the molten workpiece materials can be observed in Fig. 7a, 7b.
Micro-nano-composite ceramic material AWT10 has favorable property of shock resistance.
Acknowledgements This research is supported by the National Basic Research Program of China (2009CB724402), the National Natural Science Foundation of China (51175310) and the Scientific Research Foundation for Outstanding Youth Scientists of Shandong Province of China (BS2011ZZ010).
Zhou: International Journal of Refractory Metals and Hard Materials Vol. 28(3) (2010), p. 330 [5] D.
Online since: August 2012
Authors: Yu Ding, Wen Nian Xu, Qi Yang, Yue Shu Yang
Test Materials, Methods and Content 2.1 Test material selection As the test is not directed at a specific project, the sandy soil is the taken from the hill behind the Bioscience building of Three Gorges University.
As shown in Fig.5, the experiments reveal that there is a simple linear relation between the erosion modulus of the vegetation-growing concrete base materials and the rainfall intensity.
Indeed, the eroded materials of vegetation-growing concrete base materials collected under different tests conditions support the analysis proposed above.
The commonly used cement content at present is 8%—10%, as much too high cement content will harden the base materials and make the vegetations grow hard.
[2] Zhou Peihua, Wu Chunlong, The Research Method of Soil Anti-scourability Experiment in Loess Plateau, Journal of Soil and Water Conservation, 1993.(1) [3] Wu Pute, Zhou Peihua, Study on the Relationship between Land Slope and Sheet Flow Erosion, Bulletin of Soil and Water Conservation, 1993, (3) [4]Cai Guoqiang, Wang Guiping, Chen Yongzong, The erosion sediment process and the simulation of the loess plateau watershed, Beijing: Science Press, 1998, 72-79
Online since: February 2011
Authors: Rui Yang, Yang Liu, Liang Zhou
The elastic modulus of outer skin material is 0.8GPa and the density is 1400 Kg/m3.
The elastic modulus of inner material is set 4GPa and the density is 15 Kg/m3.
The elastic modulus of cavity material is 4000Pa and the density is 1.5 x 10-5 Kg/m3.
Gu: Journal of Mechanical Strength.
Guan: Journal of Mechanical Strength.
Online since: October 2014
Authors: Wen Ying Guo, Yi Bo Yang, Chen Huang, Heng Chang Wang, Hui Zhao, Jian Kuan Li, Jian Yong Bao, Zhen Jie Li
Spacers are divided into two categories according to material-the plastic and the cementitious.
Section 6.2.4 of CCES 01-2004(Revision) provides that ‘when using ordinary small aggregate concrete spacer to control the thickness of cover, the strength of spacer material shall be higher than embedding concrete’s and water-binder ratio of spacer shall be no more than 0.40’.
Materials (1) P·II42.5 Cement branded Yuexiu produced by Guangzhou Pearl River Cement Ltd., density 2.97g/cm3, specific surface area 380m2/kg, 28-day compressive strength 58.4MPa; (2) Class F fly ash produced by Zhuhai Power Factory, density 2.19g/cm3; (3) Grade 100 Ground granulated blast slag produced by Guangdong Shaogang Jiayang Novel Material Ltd., density 2.82g/cm3, specific surface area 440m2/kg, 7-day activity index 87%, 28-day activity index 102%, fluidity 100%; (4) Silica fume produced by Beijing Hanjiang Ltd., density 2.15g/cm3, specific surface area 15200m2/kg, water demand ratio 104%; (5) Crush granite aggregate mixed up by 5~10mm and 10~20mm coarse aggregate.
[8] Yibo YANG, Rapid chloride mirgration systhesis method for prediction of chloride penetration resistance of concrete, Journal of Southeast University (Natural Science Edition), 2006, 36:180-184
[11] Ruhe Dong, et al, The Theoretical Analysis of Orthogonal Test Design, Journal of Anhui Institute of Architecture & Industry, 2004, 12(6)103-106
Online since: October 2010
Authors: Maria do Carmo de Andrade Nono, Olivério Moreira Macedo Silva, M.V. Ribeiro, José Vitor C. Souza, G.V. Martins, João Paulo Barros Machado
Within the advanced ceramics category, silicon nitride based ceramics are wear-resistant, corrosion- resistant and lightweight materials, and are superior to many materials with regard to stability in high-temperature environments.
Introdution Advances in ceramic composites have resulted in the emergence of newer materials [1].
In general ceramic cutting tool materials are more wear resistant than cemented carbide tools.
Silva: Materials & Design, doi:10.1016/j.matdes.2008.09.041
Silva: Materials Science Forum Vol. 591/593 (2008), p. 565