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The instrument can be widely used for engineering measure. basic mechanical properties test of all kinds of materials (including brittle materials, such as concrete, rock and metal material) can be conducted by this instrument.
Journal of Central South University (Science and Technology), 2011, (42)5: 1282-1289 (in Chinese) [2] J IANG Li chun, DU Weiwei.
Journal ofK unm ingU n iversity of Science and Technology ( Science and Technology), 2010,35(4): 6-10 [3] HE Man-chao.
Chinese Journal of Rock Mechanics and Engineering, 2004, 23(21)：3571-3576(in Chinese) [5] WANG Yi xian, CAO Ping.
Journal of University o f South China (Science and Techno logy), 2009, 23(1): 27-30 (in Chinese)

This article deals with a development of new filtration materials for respirators.
These materials can be used for example as wound dressing [1], materials for drug delivery system [2], blood vessel prosthesis [3], electrically conductive nanofibers [4], membranes for batteries [5], nanofibers composites [6,7] or highly efficient materials for filtration [8].
Filtration materials in respirators should remove contaminants and dust particles from an inhaled air and nanofibrous materials with their very small inter-fiber pores have a great potential to meet this goal.
Xu: Electrospinning and nanofibers, New frontiers in fiber science (2001) [8] S.
In Autex Research Journal (In press)

Experimental Methods and Materials Materials preparation.
Toughness test on materials.
Journal of material heat treatment, 2009, 30 (5): 172-176
Materials Science & Engineering A, 2003, 355(1-2):137-143
Corrosion Science, 2019:108188

To solve these problems, a new energy recovery damper was designed by analyzing the principle of vibration energy recovery and the advantages of electroactive acrylic elastomer materials.
According to the range of tensile length and size of experimental materials EAE film, it determines the types of the servo electric cylinder.
Chen: Journal of Tongji University, Vol. 39 (2011) No. 6, pp. 908-913
Zhu: Journal of Zhejiang Normal University (Natural Sciences), Vol. 34 (2011) No. 4, pp. 429-435
Mazza: Smart Materials and Structures, Vol. 14 (2005) No. 6, pp. 1396-1402

Xu: Key Engineering Materials Vols. 259-260 (2004), p. 490 [5] T.
Cai: Journal of Manufacturing Science and Engineering Vol. 123 (2001), p. 185 [6] W.B.
Zhang: Chinese Journal of Mechanical Engineering Vol. 30 (1994), p. 30 [9] K.W.
Zhang: Journal of Materials Processing Technology Vol. 100 (2000), p. 203 [10] J.C.
Malkin: Journal of Manufacture Science and Engineering Vol. 123 (2001), p. 13

Performance stability of stalks composites is poor, the materials performance can not be guaranteed perfectly safe.
NDT is a method under the premise of without damaging the performance of the tested object, which applies a variety of physical principles and chemical phenomena, gets effective detection of the materials properties, the integrity, continuity, security reliability and certain physical performance of materials can be evaluated [1].
The reason was the material substances (stalk cell wall) in the mean unit volume increased with the density increase of soybean stalks particleboard, more substantial materials can enhance the resistance to the external damage.
Journal of Wood Science, Vol48, No.4, 2002, P283-288 [5] Hu Y C, T.
Journal of Wood Science, Vol51, No.1, 2005, P7-12

A Study of hBN-Y2O3 Composite Investment for Casting Ti-6Al-4V Alloy Shen Bin a, Liu Hongbao b, Mao Xiemin c, Li Chonghe d School of Materials and Science Engineering, Shanghai University, Shanghai, 200072,China a Shenbin@shu.edu.cn, bHongbaoliu@tom.com, cxmmao@staff.shu.edu.cn, d chli@staff.shu.edu.cn Keyword: Boron nitride, Investment casting, Titanium Abstract: An hBN-Y2O3 composite investment moulding material was developed for investment casting Ti-6Al-4V alloy.
Hexagonal boron nitride (hBN) powders plus a few Y2O3 powders were used as the investment mould material to prepare the shell mould with colloidal yttria as binder.
Fig.3 The changes of micro-hardness in titanium casting from surface The alpha-case is generally known to be developed by the interstitials such as carbon, nitrogen and especially oxygen dissolved from mold materials [1, 3].
References [1] Xie Chengmu, Titanium and Titanium Casting (China Machine Press 2004) [2] M.Garfinkle, H.M.Davis: Transactions of the ASM, Vol.58 (1965), p521~530 [3] Jiang B.j: Shell Mould Casting Process (China Machine Press2004) [4] Xie Chengmu, Wang Ying: Special Casing and Nonferrous Alloys, Vol.3 (2001), p40~42 [5] Zhao Fengming: Chinese Journal of Rare Metals, Vol.17(1993)，p152~154 [6] Crimp.M.j, Oppermann.D.a, Krehbiel.k: Journal of Materials Science, Vol.34 (1999), p2621~2625 [7] X.P.
Oub: Dental Materials Vol.18 (2002), p512~515 [8] Xiaoyan Ma, Changrong Li, Weijing Zhang: Materials Science and Engineering A Vol.392 (2005), p394-402

Johnson, JOM-Journal of the Minerals Metals & Materials Society, 54 (2002) 40-43
Hanan, Metallurgical and Materials Transactions A, 32 (2001) 2709-2715
Üstündag, Mechanics of Materials, in press (2004)
Prime, Journal of Engineering Materials and Technology-Transactions of the ASME, 116 (1994) 1-7
Finnie, Journal of Engineering Materials and Technology-Transactions of the ASME, 107 (1985) 181-185

Enironmental Science, 2006, 27(2): 294-299. ].
Chinese Journal of Environmental Science, 2006, 27(10): 2081-2086. ].
Environmental Science & Technology, 2010, 33(2): 126-130. ].
Chinese Journal of Environmental Science, 2006, 27(6): 1144-1151. ,[] GAO Nai-yun, RUI Min, XU Bin, et al.
Chinese Journal of Environmental Science. 2007, 28(1): 120-125. ], etc..

Materials and Methods Materials and Test Environments.
Hoque, Isolation and Characterization of Bacteria from Rusted Iron Materials, Bangladesh Journal of Botany. 39(2) (2010) 185- 191
Plant Parts, International Journal of Applied Sciences and Biotechnology. 9 (2021) 122- 127
Abdulwahab, Effect of Aqueous Extract of Bitter Leaf Power on Corrosion Inhibition of Al-Si Alloy in 0.5 Caustic Soda Solution, Journal of Minerals and Materials characterization & Engineering. 11 (2012) 667- 670
Murthy, Corrosion mitigation of the oil well steels using organic inhibitors - A review, Journal of Material Environment Science. 3 (2012) 856- 869