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Materials and Method The research methodology uses a prototype model[25].
Sinaga, “Preventing Traffic Road Accident: Prototype of Monitoring Tires Failure Detection,” in Proceeding - 2019 5th International Conference on Science in Information Technology: Embracing Industry 4.0: Towards Innovation in Cyber Physical System, ICSITech 2019, 2019, pp. 3–8
Ouis, “DRIVER DROWSINESS DETECTION SYSTEM Laboratory signals and images ( LSI ) University of Sciences and Technology of Oran Mohamed Boudiaf ( USTO-MB ),” in International Workshop on Systems, Signal Processing and their Applications (WoSSPA), 2013, pp. 151–155
Series, “A prototype of IoT-based smart system to support motorcyclists safety,” in Journal of Physics: Conference Series239th ECS Meeting with IMCS18, 2021
Swamynathan, “Smart Helmet with Emergency Notification System – A Prototype,” in Advances in Computer Science Research, 3rd International Conference on Wireless Communication and Sensor Network (WCSN 2016), 2017, vol. 44, no.

Materials and Methods Simulated Wastewater.
[2] Sullivan P J,Yelton J L,An evaluation of trace element release associated with acid mine drainage,Environment Geology Water Science. 12(1988): 181- 186
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[9] Xiao Hong-kan, Xiao Shu-hu,Song Yong-hui,Zeng Ping,Shao Hong,Zhang Guo-fang,Li Hui, Study on the Pretreatment and Copper Recovery from Berberine Wastewater Containing Copper by Fe-C Micro-electrolysis,Journal of Environmental Engineering Technology. 1(1)( 2011): 15-19.
[21] Liu Yongyue,Jia Cuiyin,Improvement research of iron hydroxide sol electrophoresis experiment,Laboratory science.5 (2008):85-86.

Advanced technological decisions are worked out on the up-to-date science level, minimize negative influence on an environment. and promote the effectiveness of technological process, which allows to implement all borehole underground coal gasification benefits.
Acknowledgements This work was supported by the Ministry of Education and Science of Ukraine, grants No. 0116U008041 and No.0115U002293.
International Journal of Coal Geology, 131, 304-318. https://doi.org/10.1016/j.coal.2014.06.025 [9]. 
Application of fine-grained binding materials in technology of hardening backfill construction.
Archives of Mining Sciences, 60(2). https://doi.org/10.1515/amsc-2015-0029 [24]. 

Materials and methods Study area The city of Tianjin(39ºN, 117ºE)is one of the four municipalities directly under the central government.
Acknowledgments This work was financially supported by the National Natural Science Foundation (41301096).
Journal of Cleaner Production Vol.17(2009), p 265-270 [8] Xiaoyan Zheng, Dazhou Chen, Xiande Liu, Qunfang Zhou, Yue Liu, Wen Yang, Guibin Jiang.
Procedia Environmental Sciences Vol.2(2010), p 945-952 [12] Tianjin Municipal Bureau of Statistics.
Beijing: Science Press. (1996) [14] National Research Council (NRC).

Acknowledgements This work was financially supported by the National Natural Science Foundation of China (NSFC No. 41271517,41001183) and Guangdong Natural Science Foundation(No.
The study of theory and method of urban ecological carrying capacity: A case study of Shenzhen[M].Beijing: China environmental science press,2009:4-5
Chinese Journal of Applied Ecology,2011,22(3):593-599
Beijing: China environmental science press, 2005
Beijing: Science press,2010

In the equivalent circuit, the value of R1 represented the resistance of the solution; the polarization resistance R2 is a measure of corrosion resistance of the material in the environment; a constant phase element (CPE) was used in the equivalent circuit instead of a capacitance because often the measured capacitance is not ideal.
Ding, Surface modification of titanium, titanium alloys, and related materials for biomedical applications, Mat.
Moiseyev, Titanium alloys, Taylor and Francis Editor, 2006 [8] SAE AMS 2488D, Aerospace Material Specification, 2006 [9] T.M.
Science: Materials in Medicine, 3 (1992) 408-412 [12] V.S.
Gnedenkov, Properties of coatings formed on titanium by plasma electrolytic oxidation in a phosphate-borate electrolyte, Russian Journal of Applied Chemistry, 83 (2010) 664-670 [13] F.

Journal Citation (to be inserted by the publisher) Copyright by Trans Tech Publications Grain Boundary Diffusion and Segregation in Compacted and Sintered Nanocrystalline Alloys Sergiy Divinski1, Jai-Sung Lee 2, and Christian Herzig1 1 Institut für Materialphysik, Universität Münster, Wilhelm-Klemm-Str. 10, D-48149 Münster, Germany; email: divin@uni-muenster.de 2 Department of Metallurgy and Materials Science, Hanyang University, Ansan, 426-791 Korea Keywords: Grain Boundary Diffusion; Interface Segregation; Nanocrystalline Alloys; Sintering.
Introduction Production of bulk nanocrystalline materials is a challenging task in designing new functional materials.
Ni diffusion in both materials was found to be similar.
By this grain growth, at the same time, the GB structure closely adopts that one of GBs in coarse-grained material, as indicated by the similarity of Fe or Ni GB self-diffusion in both materials [5,6].
This fact supports the conclusion that the diffusivities of the nanocrystalline (d~100nm) and coarse-grained (d~0.5mm) materials are very similar.

The engineers need develop a geotechnical model to approximate the behaviors of the geotechnical materials around the excavating areas.
The engineers should assign value to the geotechnical materials, which are always inhomogeneous in terms of compositions, structures, in situ stress, pore water pressure, strength and deformation modulus.
The variability of geotechnical materials is inherent.
The property of the materials should be defined by a range of values rather than by a single number [8].
Smith: Managing Risk in Construction Project, Blackwell Science (1998)

Experimental Section Equipment Materials and Chemical.
Antioxidant compounds in a material can be damaged due to the processing process.
The phenol content of a material depends on the solvent used and its polarity.
All three use ethanol extract which according to the previous journal said that ethanol is an extract that produces high concentrations.
Acknowledgements This research was carried out in the Food Science and Technology Study Program and was funded by the Beginner Lecturer Research Grant from the DP2M DIKTI Fiscal Year 2019.

It is not the purpose to identify microcracks that are present in each material.
The method is based on an experimental or computational model, which is specific to each shape and material of the blades.
According to a selected model and material constants, the residual service life of blades is calculated.
Acknowledgements Support for this work by the Technology Agency of the Czech Republic (Grant TA02020728) and the Institute of Thermomechanics of the Czech Academy of Sciences, v.v.i. is gratefully acknowledged.
Yang, Cumulative fatigue damage and life prediction theories: a survey of the state of the art for homogeneous materials, Int.