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In addition to sons supporting parents, the other offspring would be given some daily necessities and production materials, after getting marriage, they established independent family[6]. 
Though Nu group houses can’t be called strict feet-house, their house materials, structure principle, building mode, and living custom, aesthetic are all similar with Lisu’s.
Journal of Yunnan University for Nationalities,1985 (01):30-41, in Chinese [2] Shaoting Yin.
Journal of Hebei University (Philosophy and Social Science),1985(02):125-133, in Chinese [8] Jiaqi Cai.The social historical investigation about Dulong group in Tibetan-Yi Corridor.
Journal of South-Central University for Nationalities(Humanities and Social Sciences),2010,30(02):30-34, in Chinese

Zaleski, Study on the Surface Layer Properties and Fatigue Life of a Workpiece Machined by Centrifugal Shot Peening and Burnishing, Materials. 15 (2022)
Chernyak, Viscoelastic Resistance of the Surface Layer of Steel Products to Shock Attack of a Spherical Pellet, Key Engineering Materials. 864 (2020) 217–227
Tanner, Residual stress prediction in shot blasted cobalt–chromium biomedical cast components, Materials Science and Technology (United Kingdom). 38(12) (2022) 853–865
Subbiah, Effect of parameters and surface analysis on eglin steel by shot blasting method, Materials Today: Proceedings. 72 (2023) 2833–2836
Yang, Fracture behavior of the hot rolled Strip’s surface scale layer from different impacts angles, Key Engineering Materials. 905 (2022)67-72.

The twisted strip design features a roller assembly with individual strips made of a blend of two materials and metal end fittings.
Principle 40 (composite materials) indicate that the runner could be made from PTFE/ other composite materials [1,7].
Materials & Design, 25(4), 239-245. [3] Kedkar, J., et al. (2002).
La Tegola, "Strengthening of reinforced concrete structures with near surface mounted FRP rods," in International meeting on composite materials, PLAST, 2000. [15] R.
Zhang, et al., "Numerical Study on Flexible Pipe End Fitting Progressive Failure Behavior Based on Cohesive Zone Model," Journal of Marine Science and Engineering, vol. 11, no. 1, 116, 2023. [18] X.

Zouaoui, An analysis of the surface quality of AA5182 at different testing temperatures, Materials and Design 64 (2014) 750–754
Zeghloul, On the characteristics of Portevin Le Chatelier bands in aluminium alloy 5182 under stress-controlled and strain-controlled tensile testing, Materials Science and Engineering A337 (2002) 194-201
Hodgson, Roll-formability of cryo-rolled ultrafine aluminium sheet, Materials and Design 63 (2014) 471–478
Morris, The effect of Mg precipitation on the mechanical properties of 5xxx aluminum alloys, Materials Science and Engineering A 392 (2005) 136–144
Maniatty, Strain rate sensitivity of the commercial aluminum alloy AA5182-O, Materials Science and Engineering A 390 (2005) 334–343.

Additionally, the PV module materials optical properties vary with wavelength, which is one of the factors that influence the PV module performance [4],[5].
This range relies upon the photovoltaic material.
Ho, "Photovoltaic electrochromic device for solar cell module and self-powered smart glass applications," Solar Energy Materials and Solar Cells, vol. vol. 99, pp. pp. 154-159, Apr. 2012 2012
Ho-Baillie, "Photovoltaic electrochromic device for solar cell module and selfpowered smart glass applications," Solar Energy Materials and Solar Cells, vol. vol. 99, pp. pp. 154-159, Apr. 2012 2012
Wang, Model predictive control system design and implementation using MATLAB®: Springer Science & Business Media, 2009

It is indicated that the geometrical nonlinear near the crack-tip should not be neglected for linear elastic materials.
For linear elastic medium, because of the high stress and strain near the crack-tip, the geometrical nonlinear near the crack-tip should not be neglected for linear elastic materials.
The low bound of maximum crack-tip stress is the elastic modulus of material in plane stress state; while in plain strain state, it is greater than the modulus of elastic, its value is relevant to Poisson's ratio and will increase with the Poisson's ratio.
The Science Press, Beijing, 2003
Ruina: International Journal of Fracture.

Study of the Structure Importance in Pipe Bridge Failure Fuzzy Assessment Xinqi Yua, Qinggang Liub* Hebei University of Science and Technology, Shijiazhuang, 050018，China ayxqyxq0016@163.com, bqgliu81@163.com Keywords: Pipe bridge, Fuzzy assessment, Fault tree analysis, Analytic hierarchy process Abstract: The safety status of pipe bridge is often studied by fuzzy assessment.
Table 1 Signs for every middle factor Sign Factor Sign Factor Sign Factor Sign Factor T Failure of pipe bridge B3 SCC C1 Outer corrosion C6 Influence of design A1 Leaking B4 Damage in fatigue C2 Inside corrosion C7 Influence of service process A2 Fracture B5 Damage of cables C3 Fault of installing C8 Maintenance of pipe bridge B1 Corrosion B6 Influence of operation and design C4 Stress level D1 Ways preventing corrosion B2 Defects B7 Damage by the third part C5 Corrosion failure of cables Table 2 Signs for every bottom factor Sign Factor Sign Factor Sign Factor Sign Factor X1 Undulation of pressure X10 Quality of welding X19 Coating quality of cables X28 Maintenance rules X2 Librating of pipe X11 Mechanic damage X20 Abrasion of cables X29 Maintenance log X3 Quality of outer coating X12 Original defects X21 Designing principles X30 Attitude of staffer X4 Pipe corrosion resistance X13 Stress concentration X22 Strength of pipe materials X31 Specialty still of staffer X5 Corrosion of
In Figure 1, all of the 36 factors are concerned, which can be concluded as corrosion, defects of materials, damage by the third part, operation and damage by outer forces.
Journal of Institute of Command and Technology, Vol. 6(2001)p.27 [3] Weiguo Li, Dingwen Yu, Tao Wang.

Howerer, spraying fire-resistant material not only increases cost but also prolongs work period, reduces indoor area and pollutes environment.
And so reducing fire-resistant coat, even not spraying fireproof material is a trend[4,5].
Experimental materials and methods Two steels with different composition were designed, as shown in Table 1.
Vol. 15(2007), p.20 [3] Zhang Xiaojuan, Yuan Shaoqiang, Liang Guoli: Journal of Tangshan College.
Vol. 2(2004), p.23 Acknowledgements The author wishes to thank the Natural Science Research Project for Colleges and Universities in Jiangsu, for their financial supports to the project No.08KJD460012.

References [1] Shilin Dong and Hengxi Xia: Journal of Building Structures Vol. 3(1982), p. 14-25, in Chinese
[4] Wenyang Liu and Wenfu Zhang: Applied Mechanics and Materials Vol. 71-78, p. 306-309 [5] Wenyang Liu and Wenfu Zhang: Advanced Materials Research Vol. 446-449, p. 480-483 [6] Wenfu Zhang: Spatial structures (Science Press, Beijing2005), in Chinese.

The Lost Foam Casting Simulation of The Gray Cast Iron Linner Shu-Heng Yang a, Xiao-Ming Dub School of Materials Science and Engineering, Shenyang ligong University, Shenyang 110159, China a yjfandy@163.com, bdu511@163.com Keywords: lost foam casting; numerical simulation; linner, technical parameters Abstract.
Simulation details The materials of the casting is gray cast iron alloy.
Liu: Journal of Tsinghua University Vol. 5 (2003), p.43 [4] X.