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However, they also have lower mechanical resistance and chemical solvents, when compared with other materials.
MATERIALS AND METHODS Materials The bentonite clay, Brasgel PA, provided by Bentonit União Nordeste, from the interior of Paraíba, was used as nanoload being organically modified with quaternary ammonium salt, Cetremide ®, produced by Vetec.
Abajo: Journal of Membrane Science.Vol. 280 (77) (2006), p.659
Yang: Journal of Membrane Science Vol. 172 (1) (2000), p. 157
Díaz: Key Engineering Materials Vol. 189-191 (2001), p. 203

Abstract.Reinforced soil has been among the most effective soil modification materials.
Clay was used as sub grade material.
The advances of these materials have usually been considered by an increase in their applications.
MATERIAL Composite materials consist of two parts.
REFERENCES [1] Akbulut, S., Arasan, S. and Kalkan, E. (2007) Modification of clayey soils using scrap tire rubber and synthetic fibers, Journal of Applied Clay Science 38, 23-32

[6] Rozman HD, Tay GS, Journal of Applied Polymer Science, 110 (2008) 3647–54
[8] Mat Amin KA, Haji Badri K, Journal of Applied Polymer Science, 105 (2007) 2488–96
[11] Wilberforce S, Hashemi S, Journal of Materials Science, 44 (2009) 1333-43
Al-Shuja’a, Bulletin of Material Science, (2012)
[17] Sapuan S, Pua F-l, El-Shekeil Y, AL-Oqla FM, Materials & Design, (2013)

Our research based on the deserted polystyrene foamed plastics as raw materials, prepared an environment-protecting amino acid type chelating resin, then analyzed its structure and evaluated the properties of adsorption for the heavy metal ions Cr3 +, Pb2 +.
Materials and Methods Materials and instruments.
[3] Zeng Shu, Jianjun Mo: Journal of Mineral Technology Vol.28 (2008), P.486 in Chinese
[4] Xiang Jiang, gnan Jian: Journal of Jiangnan University (natural science edition) Vol.7 (2008) P. 353 in Chinese
[5] Shengjing, Liua Fuqiang, XinYang: Hazardous Materials Vol.167 (2009), P.590

Study on Volume Stability of High Strengthen High Performance Concrete Runxia Hao1, Xiaoyan Guo1 Junmei Zhao2 1.School of Architecture and Civil Engineering, Inner Mongolia University of Science and Technology, Baotou ,China ,014010; 2 School of Resource and Security, Inner Mongolian University of Science and Technology, Baotou, China, 014010 haorx5300630@163.com gxy.jiang@yahoo.com.cn zhao_junmei@sina.com Keywords: high performance concrete; fine mix material; expansibility; air shrinkage ratio; volume stability Abstract.
Specimen preparation and test method Raw material and sample mix proportion.
It illustrate that shrinkage of cement material clean paste occurred in the early days, and preventing shrinkage in the early days of cement material was very important.
Acknowledgements: Innvovation fund of Inner Mongolian University of Science and Technology (code: 2009NC026) References [1] H.J..Ba, X.J.Gao Y..Z.Yang.
[3] Wu Zhong-wei,Lian Hui-zheng.High performance concrete[M]Beijing:China Railway Press [4] Nihal A,ZCanna G,Ergin A.Evaluation of ratio between splitting tensile strength and compressivestrength for concretes up to 120 MPa and its application in strength citerion[J].Aci Materials Journal,2006(1/2):18-24.

Cyclohexyl ferulate was prepared by direct esterification of ferulic acid and cyclohexanol as raw materials with sodium bisulfate supported by silica as a catalyst.
Materials and equipments.
European Journal of Lipid Science and Technology [J]. 2006, 108(2): 97-102
Chinese Journal of Pharmaceuticals, 2010, 41(2): 88-90.
Electronic Journal of Biotechnology, 2007, 10(4): 508-513

Since materials have different structures and properties under different heat treatment schemes, heat treatment schemes have explicit effect on material fatigue property [2].
Ji: Journal of Materials Processing Technology Vol.176 (2006), p. 19–23
Gavgal et al.: Materials and Design Vol.25 (2004), p. 439-445
Manson: Journal of Engineering Material Technology Vol. 110(1988), p. 55-88
Ong: International journal of Fatigue Vol. 15(1993), p. 213-219

The UVM is highly applied to machining nonconductor materials, hard & brittle materials such as various ceramics etc, compare with Electrical discharge machining (EDM), electrolysis machining and laser machining, UVM is independent on the conductive of materials and no thermo physical activity on part, compare with the photo etching, UVM can machine the large depth-to-width ratio on part.
All these properties are making the UVM the unparallel advantage in cutting hard & brittle materials.
These results provide a theoretical basis for machining monocrystal materials such as SiC, Si etc, also obtain reference for efficient processing and a good surface quality of these precious materials.
Physics-Based Predictive Cutting Force Model in Ultrasonic Vibration Assisted Grinding for Titanium Drilling[J], Journal of Manufacturing Science and Engineering, Vol. 131, (2009), p. 041011-9
Zhou, Brittle–ductile transition in the diamond cutting of glasses with the aid of ultrasonic vibration, Journal of Materials Processing Technology Vol. 121, (2002), p. 243–251

Cellulose is one of the renewable raw materials and is the most abundant organic polymer on earth.
There are many methods to produce cellulose nanofibers from the woody raw materials.
Fong, Journal of Membrane Science, 2008. 319(1-2), pp.176-184
Kulpinski, Journal of Applied Polymer Science, 2005. 98(4), pp.1855-1859
[14] M.L.Nelson and R.T.O'Connor, Journal of Applied Polymer Science, 1964.8(3), pp.1325-1341.

Inorganic materials include TiO2, Fe2O3, SiO2, ZnO, CuO, metals Cu, Ag and carbon-based materials like carbon nanotubes (CNTs) etc. [25, 26].
Experimental Materials.
Darling, Membrane materials for water purification: design, development, and application, Environmental Science: Water Research & Technology 2(1) (2016) 17-42
Duhan, Metal–ferrite nanocomposites for targeted drug delivery, Applications of Nanocomposite Materials in Drug Delivery2018, pp. 737-760
Hussein, Hybrid nanocomposite membranes containing cellulose acetate @ CuO/ZnO for biological interest, Journal of Materials Research and Technology 21 (2022) 4409-4418