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Its basic meaning refers to analyzing the composition of the material within the nanoscale, creating new materials by manipulating and arranging atomic and molecular.
Nanotechnology continues to permeate various fields of modern science and technology and at the same time, forming emerging disciplines related to nanotechnology such as: nanophysics, nanochemistry, nanometer materials science, nanobiology, nanoelectronics, nano machining and nano mechanics.
We need to Invent nano materials that conform to the restraint of the rules to help the athletes gain advantage in Objective and psychological advantage.
Journal of physics and engineering, 2001, 11 [2] Ren Xiaofei, Li Jing-Nanotechnology and new building materials [J].
Journal of Shan Dong sports science and technology, 2003, 3 [6] Han Jing-The application of nanotechnology in the field of textile [J] QianJian, China, 2006.

Functionally gradient materials (FGM) with porosity gradients were also made and no weakness was found at the interface.
Materials and Methods Two grades of powder, TCP 118 and TCP 130, were used in this study.
Halloran: Biomaterials, 23 (2002), p. 1283 [3] Jintao Tian and Jiemo Tian: Journal of Materials Science, 36 (2001), p. 3061 [4] B.
Hardouin: Journal of Materials Science: Materials in Medicine, 12 (2001), p. 679 [5] J.X.
Hardouin: Journal of Materials Science: Materials in medicine, 10 (1999), p. 111 [6] J.H.

Target material is RHA603 at the speed between 1.47km/s to 1.77km/s.
Basic material parameters as shown in table 1.
Penetration performance of disk shaped penetrators: International Journal of Impact Engineering,1992 [C]. 12(2):263-280
Nanjing: Nanjing University of Science and Technology,2005: 7-12
Journal of Nanjing University of Science and Technology, 2005, 3(29)270-273

Nickel fiber porous materials.
Aluminum fiber porous materials.
Copper fiber porous materials.
FeCrAl fibrous porous materials.
Stainless steel fiber porous materials.

As new types of reinforcing the use of fiber, polymer and composite materials becomes more popular.
The main advantages of using such materials: sufficient flexibility of manufacturing processes and the possibility of using a wide range of raw materials.
Flexural Behavior of Fiber Mesh-reinforced Concrete with Glass Aggregate (2002) ACI Materials Journal, 99 (5), pp. 425-434
An experimental study of synthetic fibre reinforced cementitious composites (1987) Journal of Materials Science, 22 (12), pp. 4281-4291
Properties of cement composites reinforced with Kevlar fibres (1978) Journal of Materials Science, 13 (5), pp 1075-1083

Introduction The vegetation factor C is hard to be calculated through the ratio of the covered land soil loss to the standard contrast area soil loss, because it need long term field observation which is a big problem both on maneuverability and materials.
Journal of soil and water conservation, 2004, 18(5):75-79 (Ch)
Journal of soil erosion and soil conservation, 1996, 2(1):1-9 (Ch)
Chinese journal of soil science, 1997, 28(6): 251-253 (Ch)
Journal of tsinghua university, 2006, 46(9):1526-1529 (Ch)

Research is now directed towards finding an alternative acoustic absorber made from natural materials.
Experimental study on natural fibers for green acoustic absorption materials.
American Journal of Applied Sciences, 10(10)(2013) 1307-1314
Adachi, The development of sound absorbing materials using natural bamboo fibers.
High Performance Structures and Materials, 4(2002) 157–166

Abdul Amir 1,a *, Abu Hassan Husin1,b , Saafie Salleh 2,c and Fuei Pien Chee2*,d 1School of Physics and Materials, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia 2 Physics with Electronic Department, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, 88400 Kota Kinabalu, Sabah, Malaysia ahaider@salam.uitm.edu.my, babuhassan@salam.uitm.edu.my , csaafie@ums.edu.my, dfpchee06@ums.edu.my Keywords: MOS device; neutron; in situ; radiation damage.
Vujisić, Radiation Damage in Electronic Memory Devices, International Journal of Photoenergy (2013)
[6] Sunarno, et al., Soft-Error on Memory ICs Induced by DT Neutrons, Journal of Nuclear Science and Technology 30(2) (1993), pp. 107-115
A, Haider, Radiation hardness test of BJTs under designated application, Journal of Computers 9 (2014), pp. 2186-2190
A possible new description of nuclear elastic scattering, International Journal of Modern Physics E, 25. 2 (2016).

Thermal physical and mechanical properties of materials vary with temperature in the model.
The materials of rotor-can and the die are Hastelloy C-276 and 1Cr18Ni9Ti respectively.
The temperature dependence of thermal physical and mechanical properties of materials was obtained through experiments (Fig.2 and Fig.3).
Dean: International Journal of Plasticity.
Peddieson: Journal of Manufacturing Science and Engineering.

Declining supply of raw materials has promoted the use of natural fiber as an economical alternative value-added product to cement composites.
Natural fiber composites such as cement board, roofing sheets and other construction materials made from jute, sisal, coir, oil palm, banana tree, bagasse, and para rubber leaf have been used for building applications in many countries, both alone or in combination with other materials from building components to wood replacement [1, 3].
Thermal pretreatment is important to remove non-cellulosic materials from natural fiber and reduce harmful chemical discharge to the environment [5].
Treated materials were then dried in a hot air oven at 60°C for 6 hrs.
References [1] Alida, A., Shamsul, B.J., Mazlee, M.N., Kamarudin, H., “Composite Cement Reinforced Coconut Fiber: Physical and Mechanical Properties and Fracture Behavior”, Australian Journal of Basic and Applied Sciences, Vol. 5(7), pp. 1228-1240, 2011 [2] Lertwattanaruk, P., Suntijitto, A., “Properties of Natural Fiber Cement Materials Containing Coconut Coir and Oil Palm Fibers for Manufacture of Building Materials”, Journal of Architectural/Planning Research and Studies (JARS), Vol. 9(1), pp. 113-124, 2012 [3] Mostafa, M., Uddin, N., “Effect of Banana Fibers on the Compressive and Flexural Strength of Compressed Earth Blocks”, Buildings Vol. 5(1), pp. 282-296, 2015 [4] Varinthorn, B., Samunya, S., Witaya, S., “The Feasibility Study of Using Para Rubber Leaves for Lightweight Flatsheet Prototype Production”, Applied Mechanics and Materials, Vol. 879, pp. 166-170, 2018 [5] Shawia, N.B., Jabber, M.A., Mamouri, A.F., “Mechanical and Physical Properties of Natural Fiber Cement Board