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Humidity controlling materials were mostly made from silica gels, minerals, inorganic salts and polymer.
Consequently the adsorption and desorption capacity and controlling rate of materials were obviously improved.
Ran: Materials Reviews, Vol.16(11) (2002), p.42 (in Chinese) [2] L.
Chen: Journal of Applied Polymer Science, Vol.98 (2005), p. 1572 [7] Y.
Chen: Journal of Applied Polymer Science, Vol.94 (2004), p. 2417 [9] J.

Introduction Geopolymers is an amorphous to semi-crystalline three-dimensional alumino-silicate materials, developed by Davidovits in 1978, with the chemical compositions similar to zeolites.
Experiment work 2.1 Raw materials The characteristics of raw materials of metakaolin-based geopolymer paste used are described as follows: (1) Metakaolin (MK): The metakaolin was the product of kaolin by heat-treatment at 700 oC for 3h.
J., “The geopolymerisation of alumino-silicate minerals,” International Journal Minerals Process, Vol.59, No. 3 (2000), pp. 247-266
L. and Li, S., “Mechanical performance and hydration mechanism of geopolymer composite reinforced by resin,” Materials Science and Engineering: A, Vol.527, No. 24-25 (2010), pp. 6574-6580
[6] Komnitsas, K., Zaharaki, D. and Perdikatsis, V., “Effect of synthesis parameters on the compressive strength of low-calcium ferronickel slag inorganic polymers,” Journal of Hazardous Materials, Vol. 161, No. 2-3 (2009), pp. 760-768

However, the difficulty of forming its industrial processing is increased by the high strength and high hardness of nitride ceramic materials, so the research of nitride ceramic materials in ultra-precision processing problem has prominent significance.
Laser-assisted machining technology [16] (LAM) use the strong laser to heat local of ceramic materials, making its surface materials brittle deformation by in high temperature into plastic deformation, at the same time take the principle of the traditional tool to remove that part of the material.
WANG: Materials Science and Technology Vol.17 No.2. (2009), p.155 [2] J.L.
Zhou:.Journal of Materials Processing Technology Vol. 141 (2003), p.329 [5] T.W.
HUANG,et al: Journal of Hunan University (Natural Sciences).

The possession and the quality of bamboo material in China rank the leading position in the world.
And the utilization of this material is low [10].
The mechanical properties of bamboo material and BFRP-plate are given in Table 1.
Table 1 Mechanical Properties of Materials Material Standard Value of Compressive Strength (Mpa) Standard Value of Tensile Strength (Mpa) Elastic Modulus (Mpa) Bamboo Material 57.26 104.13 9380 BFRP-plate / 1458 73871.3 Six beams are manufactured in the experiment.
[9] Chen Guo, Shan Bo and Xiao Yan: submitted to Journal of Vibration and Shock (2011) [10] Lv Qingfang，Wei Yang，Zhang Qisheng et.al: submitted to Research & Application of Building Materials (2008) [11] Plevris N and Triantafillou TC: submitted to Journal of Materials in Civil Engineering (1992) [12] Gilfillan J, Gilbert S and Patrick G: submitted to Journal of the Institute of Wood Science (2001) [13] Blass H, Romani M: submitted to Holz als roh-und werkstoff (2001) [14] Yongxian C, in: Flexural analysis and design of timber strengthened with high strength composites, edited by the State University of New Jersey, New Jersey (2003) [15] Buell TW, Saadatmanesh H: submitted to Journal of Structural Engineering, (2005) [16] Yang Huifeng, Liu Weiqing: submitted to Journal of Jiangsu University (Natural Science Edition) (2006) [17] Yang Huifeng and Liu Weiqing: submitted to Journal of Nanjing University of Technology(Natural Science Edition) (2006) [18] Ma Jianxun, Jiang Xiangmin

High-purity alumina has excellent performance and wide application in high-tech industries and areas of modern materials, so industrialized, low-cost, non-polluting and sustainable development preparation process has become one of the priorities of present high-purity alumina powder research.
The demand and application in high-precision and wear-resistant materials such as the catalyst carrier, the carrier coating, components material of mechanical products, fluorescent translucent coatings and other emerging fluorescent decorative materials, luminescent diode substrate materials, HPS transparent alumina tube, anti-scratch disk of scanner, special optical instrument windows, metal-ceramic additives in lubricating oil, as well as artificial crystals (artificial sapphire and ruby of laser materials) are more and more concerned [2] - [9].
High-pure alumina preparation techniques and production status [J], Kunming University of Technology Journal (Science and Technology Version), 2003.28 (3): 22- 24
Mechanical Engineering Materials, 2006, 03: 44 -47
Kunming University of Science Journal (Science and Technology Version), 2003, 03: 22 -24

Journal of Material Science 1985;20:3501-14
Advanced Engineering Materials 2017;19(9):1700199-1-12
Advanced Engineering Materials 2017;18
Journal of Ceramic Science and Technology 2016;7(2):173-82
Journal of Ceramic Science and Technology 2014;5(2):155-66

Introduction The advances in medical science has been increased demand synthesis material as a substitute for bone while supply materials such as autograft is limited.
Materials and Methods Fabrication of porous hydroxyapatite.
The materials were stirred in a beaker glass for 3 hours.
Bonfield, Characterization of porous hydroxyapatite, Journal of Material Science: Material in Medicine. 10 (1999) 135-145
Klawitter, Tissue reaction to three ceramics of porous and non – porous stuctures, Journal of Biomedical Materials Research. 6 (1972) 347-374

Also, chemical components of the species are rich as medicinal materials and volatilized factor is of great potential as a source of essential oil [4, 5].
Materials and Methods The C. grammatus used in this study were collected from Anyuan county, Southern China.
Furukawa: Flavour and Fragrance Journal Vol.5 (1990), p. 85 [2] J.W.
Zhu: China Journal of Chinese Material Medica Vol. 36 (2011), p. 41 [6] V.S.
Cheng: Journal of Genetics Vol. 91 (2012), p. 37

Materials and Methods of Research Shaft-gears destroyed during bench and operational tests were used for the study.
Mukhametzianova, Key concepts for production of high-quality parts, IOP Conference Series: Materials Science and Engineering, Kazan, 2017, Vol.240, Is.1, Art. № 012007
Metal science and thermal treatment of steel.
Surface Layer Metal Diagnosis of Carburized Parts, World Applied Sciences Journal 29(12), 2014, pp. 1566-1568.
Forecasting of Carburized Tooth Parts Durability on Metal of a Core Properties, World Applied Sciences Journal 29(12), 2014, pp. 1550-1552, ISSN 1818-4952

Introduction Measurement of absorption spectrum of media has a large number of applications in production, scientific research and life, such as [1-3] environmental quality (or environmental pollution) monitoring; component analysis of material samples (infra-red, fluorescence); photochemical materials shaping and optoelectronic devices production.
However [7-10], during the study of photochemical materials shaping or optoelectronic devices, the effective utilization of light energy is very important.
Wei: Chinese Journal of Quantum Electronics Vol. 17 (2000), p385
Cai et al.: The Journal of Light Scattering Vol. 20 (2008), p.356
He: Journal of Electronic Science and Technology Vol. 22 (2009), p.72