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Nowadays bioplastics is the most recent study materials as the substitute for conventional plastics.
The development of wholly biodegradable polymers and polymeric materials can play a fundamental role in helping to solve waste disposal problems [6].
Experimental Materials Polylactic acid (PLA) was supplied by TT Biotechnologies Sdn.
Oksman: Journal of Applied Composite Materials Vol 7 (2000), pp. 403-414
Iji: Journal of Applied Polymer Science Vol 100 (2006), pp. 618-624

Ordinary mechanical spring doesn’t have good linearity since it tends to be under the influence of the end ring effect, so the linear spring with rectangular cross-section is usually chosen which advantages are as follows: Firstly, it can use materials with larger cross-section than the round one to store more energy when its spiral outer diameter is under the space limitation.
Automation Journal. 2001, 21(5): 705-709 [3] Wang Quanyu, Wang Xiaodong.
Journal of Tsinghua University (Natural Science Edition).2008.48(11) :13-17
Chinese Journal of Scientific Instrument. 2001, (4): 409-411
Journal of Mechanical Design, 2006, 128: 199-206

Components of this structure use bamboo plywood and cold-formed thin-walled steel as main materials, which are combined by structural adhesives.
There is no doubt that traditional structures and building materials have plenty advantages, however, the long-term strategy towards environmental problems are the development and the utilization of new building materials and new structure types.
This new structure takes bamboo plywood and cold-formed thin-walled steel as main materials.
A dependable combination between different materials is a major prerequisite to any kinds of composite structures, and this new structure type is not an exception.
Sheng, in: Building Science, Vol. 21 (4), (2005), pp.92-94

The materials subject to the mechanical and physicochemical research were materials manufactured in industrial and laboratory conditions in the form of the wire rod and cast bars as well as wires of various diameters drawn from them.
The chemical compositions of the six kinds of materials have been presented in table 1.
B.: Modelling Al3Zr dispersoid precipitation in multicomponent aluminium alloys, Materials Science and Engineering A352, 2003, 240÷250 [21] Nie Z., Jin T., Fu J., Xu G., Yang J., Zhou J., Zuo T.: Research on rare earth in aluminium, Materials Science Forum, 396÷402, 2002, 1731÷1735 [22] Knipling K.
G.: Effect of zirconium additives on the properties of plates of type V95pch alloy, Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, 3, 1982, 28÷30 [25] Weiland H., Cheong S.: The role of zirconium additions in recrystallization of aluminum alloys, Materials Science Forum, 558÷559, 2007, 383÷387 [26] Guo J.
[32] Hallem H., Forbord B., Marthinsen K.: Development of aluminium alloys with ultimate recrystallisation resistance, Materials Science Forum 539÷543, 2007, 167÷172 [33] Kashyap K.

The granularity of dust particles when sanding wood and wood-based materials Alena Očkajová1,a, Ján Stebila1,b, Marek Rybakowski 2,c, Tomasz Rogozinski 3,d, Ľuboš Krišťák4e, Jana Ľuptáková4,f 1Matej Bel University, Faculty of Natural Sciences, Tajovského 40, 97401 Banská Bystrica, Slovak Republic 2University of Zielona Góra, Faculty of Mechanical Engineering, prof.Z.Szafrana 4, 65-516 Zielona Góra, Poland 3Poznan University of Life Sciences, Faculty of Wood Technology, ul.
Their greatest advantage is their mobility, low weight, relatively high performances and quality processing materials.
The used technology of cutting and processing wood and wood-based materials as well as the used tool also, to a great degree, take part in production of dust particles.
From the viewpoint of primary dustiness, the proportion of the particles with the dimension ≤ 80 μm in diameter is very high as for all types of sanders and sanded materials.
Hämeri: Journal of occupational and environmental hygiene 6:2 2009 Feb pg 90-8 [23] DR.

Phase velocities are obtained for various geometric proportions and materials.
Potentials for evaluating magneto-electro-elastic materials in contact with periodically rigid surface was constructed in [3].
Two-dimensional frictionless contact problem of a functionally graded magneto-electro-elastic materials layered half-space under a rigid flat or a cylindrical punch was studied in [4].
Journal of Materials Science and Applications. 2(2) 61-67
[3] Yue-Ting Zhou, Tae-Won Kim, Constructing potentials to evaluate magneto-electro-elastic materials in contact with periodically rough surface, European Journal of Mechanics And Solids. 53 (2015) 89-98

Whisker which has been far-ranging applied has great toughening effect to ceramics materials[5].
Kim: Journal of Materials Science: Materials in Medicine. 15(2004), p. 705
Tanner : Journal of Materials Science: Materials in Medicine. 15(2004), p. 1147
Vasilos: Journal of Materials Science. 37(2002), p. 2587
Xu: Materials Science Forum. 471-472 (2004), p. 206

All of sponge material used in the experiment is produced by Hengye Furniture Materials Factory of Huadu District in Guangzhou, China.
(3) The experimental materials selected in this study have good force transmission characteristics, which can help us to further research the buffer material for hip protector use
Shuai: Science & Technology Information, Vol.10 (2009) No.26, pp.310-311 (In Chinese)
Parrkkari, et al: The New England Journal of Medicine, Vol.343 (2000) No.21, pp. 1506-1513
Li: The Journal of Traditional Chinese Orthopedics and Traumatology, Vol. 20 (2008) No.9, pp. 22 (In Chinese)

Amosi, Evaluation of using waste timber railway sleepers in wood–cement composite materials, Construction and Building Materials, 27.1 (2012) 126-129
Gilfanov, Mathematical modelling of the steam explosion treatment process for pre-impregnated lignocellulosic material, IOP Conference Series: Materials Science and Engineering, 124(1) 2016 012-087
Kapustin, Equipment for the production of wood-polymeric thermal insulation materials, IOP Conference Series: Materials Science and Engineering, 142(1) (2016) 012-097
Halitov, Modeling of a reduction zone of the gasifier installation, IOP Conference Series: Materials Science and Engineering, 124(1) (2016) 012111
Safina, Research of heating rate while termo modification of wood, World Applied Sciences Journal, 30(11) (2014) 1618-1621

In addition to these, the article studies the main categories of green building materials, including ecological safety materials, low-carbon materials, and recycled-content materials.
Main Categories of Green Building Materials 3.1 Ecological Safety Materials New green building materials should primarily be safe and comfortable for humans.
Some materials, such as timber, bamboo, cork, linoleum, and wheat board or strawboard cabinetry are low-carbon materials, while some materials such as brick, concrete, steel, are non-low-carbon materials because they can produce a large amount of carbon dioxide emissions in material production process.
Recycled-content materials, as well as low-carbon materials and ecological safety materials, play an important role to green building material.
The design for sustainability is concerned with concepts which are not only advanced in science and technology, but also coincide with the development of the times.