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The plexiglass disc with groove was applied to substitute the CBN pectination grinding wheel to meet the need of experiment, the main consideration is that the material can be transparent and produce light sheet to find the variety of flow in the groove effectively.
(Northeast university press, China 2002) [2] S Ebbrell, N H Wooley: Internationsl Journal of Machine Tools & Manufacture, Vol.2 (2000) No.40: pp. 209-223
Gong, H.Li, G.Q.Cai: Key Engineering Materials, Vol.329 (2007), pp.507-510
(Science Press,China,2001,pp.35-118

The filtration basin can make the water clarify mainly depending on the filtration materials, which we commonly used, including quartz sand and anthracite grain.
Then the water arrives in the reaction basin to grow gradually into the flocculent deposit material (flocculating constituent or vitriol flower).
Acknowledgements This work was financially supported by the National Science Foundation of China(NSFC) （No. 40672163）and the Natural Science Fund of Hebei Province（No.
[2] Chen Mingzhi, Huang Zuqi, Zhang Mingxing: Coal Science and Technology.
[3] Xiao Liping, Liang Bing, Di Junzhen:Journal of Liaoning Technical University.Vol. 22 (2003),p.862-864

Akinde2, b 1Department of Petroleum and Gas Engineering, Faculty of Engineering, University of Port Harcourt, Nigeria. 234-80037099211 2Department of Biological Sciences, College of Science, Engineering and Technology, Osun State University, Osogbo, Nigeria aOgbonna.Joel@yahoo.com, btundeakinde@yahoo.com.
Large amounts of solids from inadequately treated sewage containing organic material accumulate on the banks of the receiving waters, settle at the bottom to form sludge deposits, or float on the surface to form scum.
Materials and Methods Sewage effluent samples were aseptically collected weekly from three near shore house-boat and three offshore platform WWTP discharge point for physico-chemical and coliform characterization using 1litre plastic and 200ml sterile glass bottles respectively.
World Journal of Microbiology and Biotechnology, vol. 6: (1990), pp 285-288
Elsevier Scientific Publications, Amsterdam, Development on Aquaculture and Fisheries Science, vol. 9 (1982), pp 231

ALE is unique because it is making use of self-limiting reactions that only modify the thin top surface layer of the material.
DeSalvo et al. reported one of the first wet ALE approach for GaAs and other III–V semiconductor materials using oxidation in solution followed by selective dissolution of the oxidized layer [1].
ECS Journal of Solid State Science and Technology 2017, 6 (7), P470-P476
Applied Surface Science 427 2018, 148-155
Corrosion Science 29, 8, 1989, 927-937.

The cushion materials are continuously added to the inter-pile soil,causing it bears more loads.
That because when there are same material and internal friction angle, the thicker the cushion is, piles can more easily prick into it, and the bearing capacity of the inter-pile soil is fully developed.
Acknowledgements Supported (No. 50678110) by the National Natural Science Foundation of China Supported (No. 2007011069) by the Natural Science Foundation of Shanxi Province, China References [1] China Academy of Building Research: Technical Code for Ground Treatment of Buildings (JGJ-2002), (Building Industry Press, China, 2000)
[4] Xinsheng Ge, Xiaonan Gong, Building Structures(2002,7) [5] Xinsheng Ge, Xiaonan Gong, Journal of Building Structures (2003,4) [6] Junjie Zheng: Ground Improvement Technology (Huazhong University of Science & Technology Press, China, 2004)

5School of Energy, Environment and Materials, King Mongkut’s University of Technology Thonburi, Bangkok, 10140, Thailand.
It is commonly used to produce textile fibers, films, and various packaging materials, especially drinking water bottles, which account for about 30% of the world's PET production [3].
Materials and Method Materials.
Galeski, Sustainable Materials and Technologies 40 (2024) e00886
Suchart, in E3S Web of Conferences (EDP Sciences, 2021) [10] X.

If an inter-storey drift limit of 0.2% is required as the maximum allowable residual drift, even when the RBRFs have yielded, this design using RBRFs would need to be improved by adding self-centering devices or by using a composite material such as shape memory alloys.
[4] Priestley, MJN, Overview of PRESSS research program, PCI Journal, 36 (1991): 50-57
[5] Priestley, MJN, Sritharan, S, Conley, JR, et al., Preliminary results and conclusions from the PRESSS Five-story precast concrete test building, PCI Journal, 44 (1999)
[13] Khoo, HH, Clifton, C, Butterworth, J, et al., Development of the self-centering Sliding Hinge Joint with friction ring springs, Journal of Constructional Steel Research, 78 (2012): 201-211
[17] Gardner, A and Goldsworthy, H, Experimental investigation of the stiffness of critical components in a moment-resisting composite connection, Journal of Constructional Steel Research, 61 (2005): 709-726

Acknowledgments The authors are grateful for the financial support provided by the Bavarian State Ministry of Edu-cation, Science and the Arts.
Shevchuk, Transient Laminar Conjugate Heat Transfer of a Rotating Disk: Theory and Numerical Simulations, in: International Journal of Heat and Mass Transfer, volume 47, no. 14, (2004), pp. 3577-3581
Harmand, Convective Heat Transfer on a Rotating Disk with Transverse Air Crossflow, in: Journal of Heat Transfer, volume 133, no. 2, (2011), p. 021702
Harmand, Convective Heat Transfer on a Rotating Finned Cylinder with Transverse Airflow, in: International Journal of Heat and Mass Transfer, volume 54, no. 21, (2011), pp. 4710-4718
Menter, Two-Equation Eddy-Viscosity Turbulence Models for Engineering Applications, in: AIAA Journal, volume 32, no. 8, (1994), pp. 1598-1605

The aim of this work is to deposit different materials kind TiN, TiCrN, and pure Ti.
Experimental Procedure 2.1 Materials The substrate used in the present investigation was an AISI 316L stainless steel.
This deflection of the anode curve is observed, in general, in the passivable materials [11].
Thoemmes, Corrosion Resistance of Medical Stainless Steel Obtained by Non-Vacuum Electron Beam Cladding, Materials Science Forum 946 (2019) 73-78 [2] J.
Park, Engineering biocompatible implant surfaces, Part I: Materials and surfaces, Progress in Materials Science 58 (2013) 261–326 [6] H.A.

The pollution area of Zn and Cr is large, indicating that pollution of these two metals mainly comes from additives of building materials of building in the urban areas and tyres of automobiles and waste batteries which are not processed well.
On the whole, the concentration distribution of heavy metal shows certain area difference which is mainly related to the functions of the areas and generally speaking, industrial areas and commercial areas are subject to heavy pollution. 2)Results from the research and analysis of the types and source of soil heavy metal pollution in Baicheng City via factor analysis show that the major pollution factors Hg, Cr, Cd, Cu and Pb of industrial areas are mainly from coal emissions and "three wastes" discharge from factories; the major pollution factors Pb, Cu, Zn, Ni and Cr of the green areas of the parks mainly come from household garbage deserted by residents; the major pollution factors Cu, Cr and Ni of the main roads are mainly from road construction, dust emission and road landfill; the major pollution factors Pb, Cd, Zn, Cr, As and Ni of living areas mainly come from vehicle exhaust emission, usage of addition agent for building materials and tires, improper disposal of wasted batteries
Corresponding Author Name: Gang Wang ;Email:haohehe530@163.com ;Mobile phone: 15843688099/13604446566 References [1] Bai Houyi etc., evaluation about heavy metal pollution in soil in Nanning Tanluo ecological planning area [J], Journal of Guangxi University, 29(2): 165-169, 2004
[4] Zhang Chaolan and Bai Houyi, evaluation about pollution level of heavy metals in soil by fuzzy comprehensive evaluation method [J], Guangxi Agricultural and Biological Sciences, 22(1):54-57, 2003
[8] Li Lianke, judgment of sources of air pollutions in offshore areas by factor analysis method [J], Marine Environmental Science, 17(1): 30-34, 1998.