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Acknowledgement The research is supported by the National Natural Science Foundation of China (No.51105253), Important National Science & Technology Specific Projects (2013ZX04009-031, 2012ZX04012-021).
International Journal of Machine Tools and Manufacture, 2011. 51(12): p. 937-946
International Journal of Machine Tools and Manufacture, 2010. 50(2): p. 204-213
International Journal of Machine Tools and Manufacture, 1995. 35(12): p. 1623-1638
International Journal of Machine Tools and Manufacture, 2003. 43(10): p. 1015-1022.

Jin: Journal of Northeastern University (Natural Science), Vol. 23 (2002) No. 5, pp.470-473.
Cheng: Materials Science Forum, No.471-472 (2004), pp.582-586
Manolakos: Journal of Materials Processing Technology, Vol. 110 (2001) No.5, pp.19-27
Wang: Journal of Materials Processing Technology, Vol. 129 (2002) No.3, pp.123-126
Bauer: International Journal of Machine Tools & Manufacture, Vol. 46 (2006) No.3-4, pp.343-352

Effects of Calcium Carbonate on Melt Flow and Mechanical Properties of Rice Husk/HDPE and Kenaf/HDPE Hybrid Composites Noor Zuhaira Abd Aziz1,a, Rahmah Mohamed2,b 1 Polymer Technology Programme, Faculty of Applied Sciences (FSG), Universiti Teknologi Mara (UiTM) Shah Alam, 40450 Selangor, Malaysia 2 Head, Green Polymer Research Group, Faculty of Applied Sciences (FSG), Universiti Teknologi Mara (UiTM) Shah Alam, 40450 Selangor, Malaysia a noorzuhaira@gmail.com (corresponding author), b greenkayangan@gmail.com Keywords: Hybrid Composites, Natural materials, Calcium carbonate, Melt Flow Index, Mechanical properties.
Method Material and sample preparation.
Acknowledgement The author gratefully acknowledges Faculty of Applied Sciences (FSG) and also Universiti Teknologi Mara (UiTM) for the facilities and equipment in making this studies success.
Hermason, "Prediction of the elastic modulus of wood flour/kenaffibre/polypropylene hybrid composites," Iranian Polymer Journal, vol. 16, pp. 271-278, 2007
Tang, "A study of the melt flow behaviour of ABS/calcium carbonate composites," Journal of Materials Processing Technology, vol. 138, pp. 408-410, 2003

The removal can be by various processes such as hydrodesulfurization and requires an appropriate energy demand, infrastructure and adsorbent materials, which increase the cost of process [6].
Thereby, it is important to seek alternative materials to reduce costs.
Materials and Methods Preparation and characterization of adsorbents.
Acknowledgement The authors thank the Postgraduate Program in Science and Engineering of Materials (PPGCEM/UFRN) and the National Petroleum Agency (ANP-PRH30) for financial support and the Environmental Technology Laboratory (LABTAM/UFRN) for the characterizations and tests carried out.
Gupta: Journal of Membrane Science Vol. 490 (2015), p. 328

The polycrystal material can be considered as a mixture of materials in grain region and grain-boundary region.
Thus the total flow stress is a combination of the flow stresses of materials in these two regions.
Eckstein: Journal of Materials Processing Technology Vol. 125-126 (2002), p 35-44
Theiler: Journal of Materials Processing Technology Vol.151 (2004), p.70–79
Pantleon: Materials Science and Engineering A Vol. 319-321(2001), p 237–241.

Meskini: Journal of Composite Materials.
Croman: Journal of composite materials.Vol.12(1978), p.177
Zhao: Mechanical Science and Technology.
Jen: Journal of Composite Materials.
Jen: Journal of Composite Materials.

The material properties of steel are given in Table 2.
Acknowledgements This work is supported by National Natural Science Foundation of China under grant 10972162.
Plank: Journal of Structural Engineering Vol. 126(3) (2000), p. 389
Guo: Fire Safety Journal Vol. 43(6) (2008), p. 451
Huang: International Journal of Mechanical Sciences Vol. 52(7) (2010), p. 982.

Introduction Cellular materials can dissipate a large amount of kinetic energy at nearly constant stress during large deformation.
They can serve as effective and efficient energy absorbers to mitigate impact/blast loading if the base materials are properly selected and morphology of microstructures is well designed.
It can be seen that SKYDEX® has a similar performance with egg-box and woven textile materials, and outperforms aluminum foams.
Wang, Plastic deformation, failure and energy absorption of sandwich structures with metallic cellular cores, International Journal of Protective Structures, 1 (2010), 507-541
Evans, The out-of-plane compressive behavior of metallic honeycombs, Materials Science & Engineering A, 380 (2004), 272-280.

Materials and methods Test samples.
Burnt materials were ground with a mill to obtain the mean particle diameter of 18 μｍ.
Moriya, Clarification of Insolubilization Mechanism of Heavy Metal Ion Using Magnesium Oxide, Journal of the Society of Inorganic Materials, Japan 19 (2012) 15-22
Morishita, Stabilization of Heavy Metals Contaminated Soils by Magnesium Oxide and Related Chemical and Mineralogical Reactions, Journal of the Clay Science Society of Japan, 51(3) (2013)107-117
Hirajima, Sorption characteristics of fluoride on to magnesium oxide-rich phases calcined different temperatures, Journal of Hazardous Materials 191 (2011) 240-248.

Many of these nanotechnology applications need to engineer surface on which the nano-materials can build on.
Improvement of the accuracy of nano-feature shape needs controllable erosion methods which can remove excessive materials as required.
Chen: Key Engineering Materials Vol. 496 (2012), p. 241 [8] M.
Lu: Science China Technological Sciences Vol. 53 No 3 (2010), p. 870 [10] W.C.D.
Tanaka: Key Engineering Materials Vol. 196 (2001), p. 31 [11] Z.