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Awwad3,h, Abdelfattah Narjis4,i, Lahcen Nkhaili1,j*, Abdelkader Outzourhit1,k 1Laboratory of Materials, Energy and Environment, Faculty of Sciences Semlalia, Cadi Ayyad University, B.P. 2390 Marrakech, Morocco. 2Laboratory of Applied Chemistry and Biomass, Faculty of Sciences Semlalia, Cadi Ayyad University, B.P. 2390 Marrakech, Morocco. 3Chemistry Department, Faculty of Sciences, King Khalid University, PO Box 9004, Abha, 61413, Saudi Arabia. 4Materials and Renewable Energy Laboratory, Faculty of Sciences, Ibn Zohr University, Agadir, 80000, Morocco.
These materials, known for their high stability, are increasingly viewed as promising solutions to various environmental challenges [1].
Optimizing this oxygen percentage helps control the stoichiometry of the film, which directly influences the performance of devices based on these materials [16].
Photocatalytic degradation activity SnO₂-based materials are potential photocatalysts for the degradation of organic pollutants, which was a subject of numerous studies.
Journals, A.

The dried plant materials were ground with stainless steel mill and passed through 0.25mm sieve for elemental analysis.
Soil and Environmental Sciences. 11(2002) 268-273
Chen, A Review of Researches on Biodiversity in Eucalyptus Plantations, Chineses Journal of Tropical Crops. 22(2001) 83-90
Soil Science.
Science, 239(1988) 243-244

On March 29, 2012, the America government announced the "Big Data Research and Development Initiative", which aimed to help the America obtain knowledge and enhance foresight abilities from big and complex data and solve the most pressing challenges and then accelerate the pace of development in science, engineering and education. 1.Relation Between IOT and Big Data 1.1 IOT Produces Big Data IOT is an integration of sensing technology, transmission technology, communication technology, computer technology, cloud computing technology, information security and other modern information technology.
With the big data, many large enterprises, operators are more likely to become business intelligence service providers; business intelligence will enter a new stage in the globe. 3.2.4 Big Data Mining Brings New Business Opportunities Data science is the foundation and starting point of the market development in the future.
Journal of Quanzhou Normal University (Natural Science), Pages: 38-43, 2009.02 (Vol 128)
The internet world.2012 (11): 29-31 [6] Peng Zhenlong.Data mining research of E-government based on Data house[J].Journal of YinChun college.2012(4),45-48
Communication world.2012 (27): 37-38 [10]Peng Zhenlong,Huang YouLan.The Integration and Development of NFC Technology and Mobile E-commerce Payment.Applied Mechanics and Materials Vols. 380-384 (2013) pp 1963-1968© (2013) Trans Tech Publications, Switzerland.

Research on sensitivity of soil acidification in Hebei plain，North China Xiaoyu Li1, Shengxia Fu2, Taizhong Gao3* 1.2.3.Key Laboratory of Biological Technology for Containment Prevention in Hebei Province,School of Environmental Science & Engineering; Hebei University of Science & Technology Shijiazhuang050018,China 1email:qxiaoyuli@163.com, 2email:qshengxiafu@163.com, 3email:taizhonggao@163.com *Corresponding author Keywords: soil acidification; sensitivity of soil acidification; fluvo-aquic soil; cinnamon soil；Hebei Plain Abstract.
Acknowledgements This work was supported by grants from the National Natural Science Foundation of China (No.41373096) and Key Laboratory of Biological Technology for Containment Prevention in Hebei Province, China.
Spatio-temporal variation of soil acidification in hilly red soil croplands [J].Chinese Journal of Eco-Agriculture, Nov. 2008, 16(6): 1348- 1351.In Chinese
Communications in Soil Science and Plant Analysis,2008,39：5-6
Variation of groundwater quality and influence of pesticide and fertilizer on Hebei Plain[J].South-to-North Water Transfers and Water Science & Technology,2009,7（2）:50-54.In Chinese.

The materials were grinded in an eccentric planetary ball mill by using wet grinding techniques.
The proportion between materials and silicone oil is about 1:100 (weight proportion).
The mass ratio of ball to milled materials was about 4:10.
Few materials have good solubility in silicone oil.
International Journal of Applied Mechanics and Engineering.

Role of Pre-Deformation on Aging Precipitation Behavior of Al-Cu-Li Alloys Jinfeng Li1, a *, Yonglai Chen2,b, Xuhu Zhang 2,c and Ziqiao Zheng1,d 1School of Materials Science and Engineering, Central South University, Changsha 410083, China 2Aerospace Research Institute of Materials and Processing Technology, Beijing 100076, China alijinfeng@csu.edu.cn, bchenyonglai_2011@126.com, czhangxuhu@163.com, dzhengziqiao@csu.edu.cn Keywords: Al-Cu-Li alloy, pre-deformation, aging, precipitates.
Aerospace Materials and Technology. 42(2012) 13-19
Rare Metal Materials and Engineering. 37(2008) 1996-1999
Journal of Light Metals. 1(2001) 1−14

Typical neural interface passivation materials, such as SiO2 [3] or parylene C [4], have extended the lifetimes of research-grade neural interfaces beyond a year, but remain fundamentally limited by the material response in-vivo as well as the minimum thickness required to achieve reliable long-term passivation..
PECVD a-SiC:H has previously been shown to be a robust, chemically-inert, and highly insulating coating material, making it an appealing material for passivation layers in neural interface applications [5-6].
The Science of Neural Interface Systems.
Characterization of a-SiC(x):H thin films as an encapsulation material for integrated silicon based neural interface devices.
Journal of Non-Crystalline Solids. 379. (2013). 67. 10.1016/j.jnoncrysol.2013.07.028

Material of the component is less homogeneous atop of the mark.
We are also going to use the results of this paper to analyze the optical quality of the microrelief for diffractive optical elements formed by various methods [8 - 13], and for the analysis of nanopores of different materials [14 - 15].
Guzanovà, The Study of Parameters of Surface Roughness by the Correlation Analysis, Materials Science Forum. 818 (2015) 15-18
Kazanskiy, Device for analyzing nanoroughness and contamination on a substrate from the dynamic state of a liquid drop deposited on its surface, Journal of Optical Technology. 76 (2009) 408-412
Tregub, Synthesis of nanoporous structures in metallic materials under laser action, Optics and Lasers in Engineering. 49 (2011) 1264-1267.

Thermodynamics on Formation of Condensed Phases during CVD Si3N4 Process with Sicl4-NH3-H2 Precursors Juanli Deng1,2,a, Laifei Cheng2,b, Zhiliang Hong2,c and Kehe Su3,d 1School of materials science and engineering, Chang'an University, Xi'an, Shaanxi 710064, P.
China 2National Key Laboratory of Thermostructure Composite, Materials, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P.
China 3School of Natural and Applied Sciences, Materials, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, P.
CHD2009JC148) and the National Natural Science Foundation of China (No. 50820145202) are greatly acknowledged.
Xu: Journal of Inorganic Materials Vol. 21 (2006), p. 979 [41] Y.

Materials, Experimental and Methods 2.1.
Materials Two biomass materials rice husk, pine sawdust and one coal material (Cangzhou) were chosen for the investigation.
Materials 3.1.1.
Acknowledgements This work was supported by the Strategic International Scientific and Technological Innovation Cooperation Funds of National Key R&D Program of China (No. 2016YFE0204000) and the National Natural Science Foundation of China (NSFC) (No. 51606080).
Yu, An investigation of thermal behaviour of biomass and coal during copyrolysis using thermogravimetric analysis, International Journal of Energy research, 214; 38:1145-1154