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Introduction At present, nanometer materials have been widely used in energy, environmental protection, electronic technology, molecular biology, medicine, military and agriculture.
While the researches of the nanometer materials effects on the soil and plants are few.
Materials and methods Test materials The basic physical and chemical properties of the soil in the test were as follows: the content of organic matters was 1.2mg/kg; the content of available phosphorous was 33.4g/kg; pH was 8.16; the conductivity was 456us/cm.
Tang: Journal of Southeast University (Natural Science Edition) Vol. 39 (2009), p. 1315-1319 (in Chinese) [5]H.
Journal of University of Science and Technology of Suzhou (Natural Science) Vol.24 (2007), p. 52-55 (in Chinese) [6] J.

The selected materials were a 0.20-mm thick, obtained by cold (secondary)-rolled and continuous annealing or cover annealing, coated with an electrolytical substrate.
Journal of Materials Processing Technology, 152(2004), p.384-388
Journal of Iron and Steel Research, 13-4 (2001), p. 38-41.
Corrosion Science, 52(2010), p.14-20
Materials Protection. 33 -3 (2000), p.1~3.

Fermentation is technically simple and it generates H 2 from carbohydrate materials obtained as refuse or waste products[4],in which key enzymes are hydrogenases.
Acknowledgements This work was financially supported by Key Laboratory of New Lithium-ion Battery and Mesoporous Materials, the National Natural Science Foundation of China(T50906058T), Science and Technology Project of Guangdong Province(T2011B010100035T), References [1]Qunhui Wang,Hongzhi Ma, Xuming Wang,Yongzhen Ji.Modern Chemical Industry,2004,24(7): 56-59
Critical Reviews in Environmental Science and Technology 2007;37(1):1-39
Water science and technology, 2000,42(4):345–350
Water science and technology. 2004,49(4):223–228

Geopolymeric materials prepared using Class F fly ash and elevated temperature curing.
Resistance of geopolymer materials to acid attack.
Geopolymers; Opportunities for Environmentally Friendly Construction Materials.
Paper presented at the Materials 2003 Conference: Adaptive Materials for a Modern Society,Sydney
Iranian Polymer Journal, 1-11.

Introduction As the continuous development of modern science, crystalline silicon material has been used more widely.
However, silicon with its characteristics of brittle materials result in exists of recast layer, dross, cracks and other defects, which increases the difficulty of its processing.
International Journal of Heat and Mass Transfer, 2014, 71: 515-520
Journal of Materials, 2001, 15(2): 67-69.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1997, 122(3): 401-404.

Materials Cloisite® 30B was obtained from Southern Clay Products.
Figure 1 shows the chemical structure of these materials.
He: Journal of Applied Polymer Science Vol. 84 (2002), p. 842 [4] L.
Hojjati: Materials Science and Engineering A.
Mathur: Journal of Applied Polymer Science Vol. 93 (2004), p. 2201

In the present study of Δd optimization, one would want it to be valid for more types of materials.
Journal of Achievements in Materials and Manufacturing Engineering 31 (2008) 565-9
Advanced Materials Research 83-86: (2010) 342-9
Journal of Mechanical Engineering Sciences (Proc. of IMechE Part C) 223: (2009) 2125-34
Journal of Materials Processing Technology 194(1-3): (2007) 81-88

ABCD classification of materials is the more commonly used method.
Use AHP to determine the weight of each factor, sort the classification of materials treat classified materials and get two index values (Wa, Wb)(refer with: Tab. 1).
Tab. 1 Material classification table Material classification Wa Wb Strategic materials Wa>Wa* Wbmaterials Wa>Wa* Wb>Wb* Bottlenecks materials Wamaterials WaWb* The principle of TOPSIS TOPSIS (Technique for order preference by similarity to ideal solution) also known as the ideal solution is developed by CL Hwang in 1981 [4].
Without the need for cooperation in the case, is now on the four materials supplier evaluation.
Journal of Harbin Institute of Technology” Journal of Harbin Institute of Technology, China, 260-263 April 2009

Bioplastics are biopolymers found in living organisms and unpolymerized materials, and they can be developed from polymers found in nature [7].
Astuti, Utilization of Plastic Waste as Raw Material for Making Alternative Fuels, R&D Journal 15 (2018) 058067
Gansau, A sustainable approach to green algal bioplastics production from brown seaweeds of Sabah, Malaysia, Journal of King Saud University – Science 34 (2022) 102268
Flury, Are micro- and nanoplastics from soil-biodegradable plastic mulches an environmental concern, Journal of Hazardous Materials Advances 4 (2021) 100024
Mishra, Improved properties of keratin-based bioplastic film blended with microcrystalline cellulose: A comparative analysis, Journal of King Saud University-Science 32 (2020) 853-857

YANG, High temperature titanium alloysstatus and perspective, Journal of Aeronautical Materials 34(4) (2014) 1-26
Huang, Low Cycle Fatigue Behavior of TA29 Titanium Alloy at Different Temperatures, Materials Science Forum, Trans Tech Publ, 2016, pp. 353-359
Lu, Investigation on Fatigue Crack Propagation Behavior of TC11 and TC4 Ti Alloys at Room Temperature and 400, Journal of Aeronautical Materials 31(5) (2011) 82-85
Soboyejo, An investigation of the effects of temperature on fatigue crack growth in a cast lamellar Ti–45Al–2Mn–2Nb+ 0.8 vol.% TiB2 alloy, Materials Science and Engineering: A 319 (2001) 618-624
Mizuhara, Effect of microstructure on fatigue crack growth in TiAl intermetallics at elevated temperature, Materials Science and Engineering: A 323(1-2) (2002) 62-69