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Introduction Fretting wear corresponds to a situation where a material removal is due to a repetitive sliding contact with small contact loads.
Especially, the wear behavior in a water lubricant condition is sensitively affected by the material/mechanical properties such as a changed hardness of the contacting surfaces, subsurface deformation, etc [1,2].
The fuel rod specimens are prepared with the dimensions of 40 mm in length, 9.5 mm in outer diameter, and 0.6 mm in wall thickness using Zirconium alloy; this commercial alloy has been used as nuclear fuel claddings and for the main components of fuel assembly materials.
Acknowledgements This study has been carried out under the Nuclear R&D Program by Ministry of Science and Technology in Korea.
Jung: KSTLE International Journal Vol.4 (2003), p.31 [4] Y.

Figure 1: Unilateral cost and boundary cost coefficient and the relation curve of architectural layers Factors which affect project cost mainly includes the structure design of the choice of building material, building structure, etc.
Especially building materials, usually accounts for 70% of the direct costs.
If the changes in the design phase, only need to modify drawings, other fees has not yet occurred, the loss is limited; If the procurement phase changes, not only need to modify drawings, materials and equipment, must also purchase again; If changes in construction stage, in addition to the above fees, have construction project must be demolished, is bound to cause significant change.
Journal of Henan University (Natural Science).Vol.39 No.6(2009.11),P.655 [4] GB 50319-2000,Construction Cost Management.Wuhan University of Technology(China)

Preparation and basic characterizations of alginate-chitosan hydrogel Nan Xing 1,2,a, Feng Tian 1,b, Jian Yang 1,c and Yukun Li 2,d 1 Institute of Medical Equipment, Academy of Military Medical Sciences, Tianjin 300161, P.
China 2 Chinese Medical Equipment Journal, Tianjin 300161, P.
Materials and methods 2.1 Materials Sodium alginate (the viscosity for a 1% (w/v) solution at 20℃ is 200cp) was purchased from Sanpu chemical industry Co., Ltd (Shanghai, China).
The peak of physical mixture appears to be combination of each material but it is different from that of scaffolds probably because complexation of polyelectrolytes will result in new chemical bonds [21].

The early investigation on phytoplankton of Fuxian Lake was by Institute of Hydrobiology, Academic the Chinese Science in July to October in 1957(Ley et al,1963).
Materials and methods The study area is located in the northern part of Fuxian Lake with geographic position of 24º 32'~24º 35' N, 102º 51'~102º 53' E. 6 stations on 4 month were selected for the investigation (Fig.1).
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (41176142).
Journal of Yunnan University, 18(2): 139～145.
Progress in Environmental Science and Technology,Vol.

Tianjin University of Science and Technology, Tianjin, 300457, P.
Materials and methods Whey protein isolated (WPI).
London: Elsevier Applied Science Publishers (1982), p. 339–373 [] X.
Jiang Science and Technology of Food Industry.
Journal of Engineering, Vol. 47(2001), p.31-36.

This initiative was first based on an assessment of the commercial potential of biomass, with an analysis of the main material flows from the agriculture, forestry, waste management, and wastewater treatment sectors, according to the Department of Energy.
Mahmoudi, Smart grid implementation in Morocco: Case study, Materials Today: Proceedings, (2021) 45, 7675-7679
Aggour, Analysis of renewable energy integration into the transmission network, The Electricity Journal, (2019) 32, 106676
Mahmoudi, Energy management in the smart grid: State-of-the-art and future trends, International Journal of Engineering Business Management, (2021) 13, 18479790211032920
El Markhi, Renewable Energy Potential and Available Capacity for Wind and Solar Power in Morocco Towards 2030, Journal of Engineering Science and Technology Review, (2018) 11, 189-198

Methods and materials Study Area Gaojianpu Watershed is located in Wangwa Town, Pengyang County, Ningxia Hui Autonomous Region, and belongs to the Puhe River Basin of Jinghe River System, with a total area of ​​1,076.89 hectares and location between 36°3'44"N~36°6'53"N, 106°38'15"E~106°40'43"E(Fig.1).
Journal of Ecology, 2010, 30 (1): 146-154
Beijing: Science Press, 1995
Journal of Arid Land Resources and Environment, 2012, 26(6):102-107
Pratacultural Science, 2009, 26(8): 34-39

Outline In the production process of metal material and machine parts, the blanking technology determines the procedure, energy consumption and material consumption of each of the following procedure of the molten metal changing into material (workblank).
It can easily produce high-tech materials, such as, high beryllium bronze strip and hot-rolling section late strip blank, which are hard to produce with the current technology.
A0600351 Sci-Tech novelty search in Sichuan Science and Technology Information Research Institution (National level Sci-Tech novelty search and advisory institution).
The former can not be applied owing to the limitation of width of casting billet and other technical problems such as heat dissipation, removal of heat dissipation materials and the stability of system being affected after the magnetizer heats up, etc.
Zhongming REN, Shanghai University: Metal Academic Journal of June, 1996, P642-645 in Chinese

Also, the Young's modulus ET of the tube material is highly fluctuating because of uncertainty in the production of the semi-finished extruded tube material.
Meyer et al., Development and first applications of gentelligent components over their lifecycle, CIRP Journal of Manufacturing Science and Technology 7 (2014) 139-150
Müller, Experimental and numerical study on shaping of aluminum sheets with integrated piezoceramic fibers, Journal of Materials Processing Technology 214 (2014) 217-228
Mayer, Interval analysis: theory and applications, Journal of Computational and Applied Mathematics 121 (2000) 421-464
Platz, Nonparametric estimation of a maximum of quantiles, Electronic Journal of Statistics 8 (2014) 3176-3192

The boehmite Al-OOH was used as starting material.
The powder of the starting material was milled and mixed with the necessary amount of binding agent (20 wt.% of colloidal alumina).
Da Ros, Barbarosa-Coutinho E., Schwaab M., Calsavara V., Fernandes-Machado N.R.C., Materials Characterization 80 (2013) 50-61 [3] P.
Brandon, Journal of American Ceramic Society 81 (8) (1998) 1995 – 2012 [8] G.W.
Yue, Applied Surface Science 254 (2008) 4701-4707 [11] C.H.