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Therefore, materials for the tool, regardless of their chemical composition and method of production, must have: high hardness and wear resistance of the surface in combination with sufficient plasticity or elasticity of the main part of the tool.
However, today non-standard approaches to the strengthening of materials, including friction and deformation [1], chemical-thermal treatment [2–6] and others, are becoming increasingly important, especially if it does not require significant economic costs.
Volkov Study of heat deformation influence in surface strain hardening of steel by thermofriction processing, Eastern-European journal of enterprise technologies. 2 5(80) (2016) 38–44
Abdullah, Effect of boronizing medium on dispersion layer of austenitic stainless steel, ARPN Journal of Engineeringand Applied Sciences. 10(17) (2015) 7821–7824
Knyazev, Features of structure formation of surface layers with high content of boron on steel 15Х11МF in the conditions of furnace and induction heating, Ceramics: Science and Life. 2 (47) (2020) 26–30.

For a long time, the city residential understanding only pay attention to residential and other material elements, rarely to further analysis of the system structure of urban settlements.
The urban settlements reflect the development of both material and spiritual civilizations, whose development and construction reflects the needs of urban residents [1].
Li, Urban residential area of public service facilities construction and its influence factors, Anhui Agricultural Sciences, Vol. 39 No. 11 (2011) 6835-6836, 6838
Zhang, China's urban community public service facilities disposition present situation and the planning and implementation of research, Journal of Humanistic Geography, Vol. 22 No. 5 (2007) 29-33
Su, Supporting public service facilities in residential planning and design thinking, Journal of Residential Science and Technology, 3 (2002) 20-22.

Materials and Methods Description of sampling sites.
Riekstina, Effects of malvidin, cyanidin and delpinidin on human adipose mesenchyman stem cell differentiation into adipocytes, chondrocytes and osteocytes, Phytomedicine Journal. 53 (2019) 86-95
Agasheva, Elemental composition of the fruits of common lingonberry and marsh cranberry, Chemistry of plant materials. 4 (2017) 229-233
Holmstrom, Multi-element analysis of wild berries from northern Sweden by ICP techniques, Science of The Total Environment. 231(1), (1999), 53-65
Research Journal of Environmental Sciences. 3 (2009) 581-587.

Among the built projects, the largest area of the building is 325000 ㎡, which is located in the Development Zone of Anshun, Guizhou Province, southwest of building materials and furniture, the column net are 12m×12m, 15m×15m, 18m×21m, the height of RC open-web sandwich plate structure is (L/28), the live load is 5KN/㎡, the cost is 360-400 Yuan per square meter.
The Fig9 shows the record of RC open-web sandwich plate structure of southwest of building materials and furniture.
We do a lot of works in this new type space structure from theory to practice, the structure will be a new type structure in the field of space structure science in china.
Journal of Building Structure, 1991, 18(6): 55-64
Journal of Building Structure, 2000, 21(6): 16-23

Machined Surfaces Texture Analysis based on Hough Transform and Run Length Statistics Yaming Wang1,a, Hairui Feng2,b and Yingfeng Zhou3,c 1,2,3School of Information Science and Technology, Zhejiang Sci-Tech University, Xiasha, Hangzhou aywang@zstu.edu.cn, bfenghairui88@163.com, czhouyingfenghz@126.com Keywords: Hough transform, Run length statistics, Texture analysis, Tool wear.
Cutting parameters used in our experiment Machine tool: TONTEC, VM1000 Tool: APMT1604PDER-H2VP15TF Material: 1Cr18Ni9Ti Feed rate: 0.3 mm/r Speed: 1000 r/min Depth: 0.5 mm No.1 No.4 No.7 No.10 No.13 No.16 No.19 No.22 No.25 No.27 Fig. 5 A set of 320×240 sub-images produced by this experiment Fig. 6 The actual surface roughness curve Fig. 7 Experiment obtained texture features curve It can be seen that texture features curve which is obtained in our experiment is very close to the actual surface roughness curve.
Acknowledgements This work was financially supported by the Natural Science Foundation of China (No.60873020, 61070063), Zhejiang Provincial Natural Science Foundation of China (No.Z1080702).
International journal of machine tools & manufacture, 54-55(2011), p. 25-33
Computational materials science, 59 (2012), p. 140-151

Wu, Y.Shen: Separation Science and Technology Vol. 37 (2002), p. 571
Abd El-Ghani: J. of Colloid and Interface Science Vol. 280 (2004), p. 9
Wu: Separation Science and Technology Vol. 38 (2003), p. 3513
Yano: Chemical Engineering Science Vol. 33 (1978), p. 601
Elshazly: Alexandria Engineering Journal Vol. 44 (2005), p. 797

The Key Technology and Application of the Internet of Things Cuimei Li1, a, Rou Wang 2,b and Le Huang 3,c 1 School of Communication and Electronic, Jiangxi Science & Technology Normal University, Nanchang, 330013, China 2 Department of Humanities, Nanchang Normal University, Nanchang 330103, China 3 School of Computer Science, Central China Normal University, Wuhan 430079, China a996506207@qq.com, b171027349@qq.com, cbaidulele@163.com Keywords: the Internet of Things; radio frequency identification; sensor; network communication; cloud computing.
In 1999, the sensor network research was started in Chinese Academy of Sciences.
The concept of the Internet of Things was brought forward in 1999.The Internet of Things is an Internet connected to all the material objects in short.
The trends of sensor technology development are roughly divided into the following aspects: challenge to the detection range; integrated and multi-functional; challenge to the undeveloped areas; biological sensors; sensor technology wise for the statue, smart sensor, for example; discovery and use of new materials.
Journal of Beijing University of Posts and Telecommunications, 2010, 3(3): 1-9

Fabrication of Two-Dimensional Arrays of Fluorescent Centers in Single-Crystalline Diamond Using Particle Beam Writing Moriyoshi Haruyama1,2,a, Yoshinori Suda1,b, Wataru Kada1,c, Shinobu Onoda2,d, Takeshi Ohshima2,e, Kenta Miura1,f and Osamu Hanaizumi1,g 1Division of Electronics and Informatics, Faculty of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan 2 Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki-machi, Takasaki 370-1292, Japan at162d002@gunma-u.ac.jp, bt161d052@gunma-u.ac.jp, ckada.wataru@gunma-u.ac.jp, donoda.shinobu@qst.go.jp, eohshima.takeshi@qst.go.jp, fmiura@el.gunma-u.ac.jp, ghana@gunma-u.ac.jp Keywords: chemical vapor deposition, diamond, nitrogen vacancy centers, particle beam writing, two-dimensional, confocal fluorescence microscopy Abstract.
Focused microbeams have also received a great deal of attention for micrometer-sized material modification9–13.
Materials and Methods a) Particle-Beam Writing Procedure Microstructure patterning by particle beam writing was conducted using a heavy-ion microbeam line of the 3 MV tandem accelerator facility at Takasaki Ion Accelerators for Advanced Radiation Application (TIARA), Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology17.
Wrachtrup, and C. von Borczyskowski, Science, Vol. 276(5321), (1997) p. 2012
Kada et al., Japanese Journal of Applied Physics, Vol. 51, (2012) p. 06FB07

Farahziehan: submitted to Advanced Material Research Journal (2014) [3] X.Z.
Xie: submitted to Applied Surface Science (2008) [4] S.
Fan, C.C.Chang: submitted to Applied Surface Science (2011) [5] M.
Atouf: submitted to Applied Surface Science (2012) [6] I.
Li: submitted to Research of Materials Science (2013)

[2] Ricci S.and Terraneo M., “Conceptual design of an adaptive wing for a three-surfaces airplane,”46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Austin, Texas, 18-21 April 2005
,ScottiA.andTerraneoM., “Design, manufacture and preliminary test results of an adaptive wing camber model,” 47thAIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, May 2006
Guo, “Structural and dynamic analysis of a seamless aeroelastic wing,”the 51st AIAA/ ASME/ASCE /AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 2010 [10] R.
Ahmed, “A composite wing with a morphing leading edge,”the 51st AIAA/ ASME/ASCE /AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 2010
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