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In the early stages of design, product data is quite incomplete; until to the detailed design stage, identification has been made on product assembly structure, structural forms of parts and materials.
Feature volume: refers to feature volume model made by feature parameters, mainly used in cost calculation of feature materials.
By considering of material cost, we can obtain manufacturing cost.
Acknowledgement This paper is founded by the National Natural Science Foundation of China (No. 50875158), Shan dong soft science research project of China (No. 2009RKB163), and Scientific fund of shandong university of science and technology.
Mechanical Engineering Journal Vol32(1996), No4,pp.63-67 (in Chinese)

For example, Xu et al. [2] measured hydrogen storage capacity of various carbon materials.
Iijima, Investigation of hydrogen storage capacity of various carbon materials, Int.
Knudsen, Hydrogen adsorption on carbon nanocone material studied by thermal desorption and photoemission, Applied Surface Science. 255 (2008) 1906-1910
Pez, Influence of carbon curvature on molecular adsorption in carbon-based materials: a force field approach, Phys.
Chang, Atomistic study of the influences of size, VDW distance and arrangement of carbon nanotubes on hydrogen storage, Computational Materials Science. 40 (2007) 300-308.

The study of polymer rheology, on one hand can provided rich information of materials processing, on the other hand it is also an important method to study the structure and property of polymeric materials.
Experiment 2.1 Experiment material The experiment materials are polyester (PET), PET/10% 9,10-dihydro-10[2,3-di-(hydroxy carbonyl)propyl]-10-phosphaphenanthrene-10-oxide ( DDP), PET/10%DDP/3%BaSO4, and PET/10% DDP/5% BaSO4.
Acknowledgement This work was financially supported by Shandong Provincial Natural Science foundation item(NO.Y2007D55).
European Polymer Journal. 2007, 43:980-988 [2] Wang C S, Lin C H.
[6] M.Yang, C.Zhao, J.Wang, Y.Wang: Journal of Flame-retardant Materials and Technology6 (2008)3

The strain in a material is typically defined as the amount of deformation relative to its original shape.
Mroz, Finite element analysis of deformation of strain‐softening materials, International Journal for Numerical Methods in Engineering.
Ameyama, Deformation behavior analysis of harmonic structure materials by multi-scale finite element analysis, Advanced Materials Research.
Tuchinda, Computational study of excitation controlling parameters effect on uniform beam deformation under vibration, International Journal of Engineering.
Tuchinda, Development of temperature-strain prediction based on deformation-induced heating mechanism in SCM440 surface cracked shaft under ultrasonic excitation, International Journal of Engineering.

Industry X.0 technologies could enable even more advanced forms of maintenance, such as self-healing materials and machines that can repair themselves.
Journal of Manufacturing Systems, 61, (2021) 530-535
Procedia Computer Science, 132, (2018) 1815-1823
Procedia Computer Science, 217, (2023) 366-375
SN Computer Science, 3(2), (2022) 127.

However, with the development of modern technology science, the demand of quartz glass increased unceasingly, natural crystal resources were facing exhaustion, and could not satisfy the demand of modern high-tech development, which encouraged people to use ordinary quartz mine alternative crystal as quartz glass mineral raw materials.
Experimental Rough Materials.
At the same time, the first level crystal being used as high-grade quartz glass raw materials, is because of its low content of impurity and gas-liquid inclusions.
Earth-Science Reviews, 2009, 97( 1-4): 184-214
[3] Zhang Shi-xuan, Studis of Eliminating the Gas- Liquid Wrapped Matter in Quartz[J].Journal of Jinzhou Normal College (Natural Science Edition):2002, 23(3): 13-14

Introduction With the improvement of people's living standard, as well as growing awareness of prevention bacteria, it is important to use antibacterial materials  in medical, food processing, public facilities [1-3]. 
But it isn’t used for antibacterial materials yet and its antibacterial properties have not been researched. 
Materials and Experiments Materials.
References [1] S.H.Stelzig, C.Menneking, M.S.Hoffmann, et al: European Polymer Journal. 47(2011), p.662 [2] J.Drelich, B.Li, P.Bowen, et al: Applied Surface Science. 257 (2011), p.9435 [3] H.L.Li , C.C.Shih , Z.W.Ching , M.H.Jing, L.G.Keng: Applied Surface Science. 257 (2011), p.7375 [4] W.M.Zhang: Advanced Materials Industry. 7(2009), p.32 (in Chinese) [5] L.Y.Gao, X.D.Wang, C.B.Wang: Special steels, Vol.23(3)(2002), p. 32-34 (in Chinese) [6] Information on http://www.people.com.cn [7] Information on http:// www.baosteel.com [8] Information on http://todaysteel.com [9] Information on http://tg.mysteel.com [10]  L.Nan, Y.Q.Liu, W.C.Yang, et al: Acta metallurgica Sinica.
Vol.40 (3)(2004), p.314 (in Chinese) [12] Z.X.Zhang, G.Lin, Z.Xu: Transactions of Materials and Heat Treatment.

In recent years, some scholars begin to combine digital image processing (DIP) technology and geomaterials, with different image information corresponding to different geotechnical materials, to analyze the mechanical properties and monitor deformation of materials[1,2].
Acknowledgements This work was financially supported by National “Twelfth Five-Year”Plan for Science & Technology Support (2011BAB08B00).
Chinese Journal of Rock Mechanics and Engineering，2010，29(3)：477-484.
Chinese Journal of Geotechnical Engineering，2005，27(8)：956-964.
Chinese Journal of Rock Mechanics and Engineering，2006，25(10)：1951-1959.

Among the popular commercial bamboo species, Bolo is the most dimensionally stable radially (average 10.4% radial shrinkage) hence are commonly used in building construction, basketry, furniture, and as materials for scaffolding and fish pens [7].
Materials and Methods Source of Materials and Sample Preparation.
Proceedings of the National Academy of Sciences 115, 4021–4026. https://doi.org/10.1073/pnas.1700291115 [5] Guarin, L.P., Bordado, E.B., 2021.
Materials 16, 5196. https://doi.org/10.3390/ma16145196 [14] García, R., Pizarro, C., Lavín, A.G., Bueno, J.L., 2013.
“Extraction and characterization of lignin from different biomass resources,” Journal of Materials Research and Technology, 4(1):26–32, https://doi.org/10.1016/j.jmrt.2014.10.009

Fibre concretes are modern building materials with sufficiently proven mechanical and deformation properties.
Y.: Durability performance of fiber-reinforced concrete in severe environments, Journal of Composite Materials 4(23), p. 239-2389, 2011 [5] ADÁMEK, J., JURÁNKOVÁ, V., KADLECOVÁ, Z., STEHLÍK, M.: Three NDT methods for the assesment of concrete permeability as a measure of durability.
In Nondestructive testing of materials and structures.
Coating materials and coating systems for exterior masonry and concrete.
August 2002 [8] KUCHARCZYKOVÁ, B., MISÁK, P., VYMAZAL, T. : Determination and evaluation of the air permeability coefficient using Torrent permeability tester, Russian Journal of Nondestructive Testing, Vol. 46(3), p. 226 – 233, 2010 [9] STEHLÍK, M., STAVAŘ, T.: Carbonation depth vs. physical properties of concretes with alternative additions of concrete recyclate and silicate admixtures, Advanced Materials Research, Vol. 89(1), p. 290-296, 2014 [10] STEHLÍK, M.: Enhancing the durability of concrete made of concrete recyclate by additives and admixtures, Journal of Civil Engineering and Management, Vol. 20(iFirst), p.1-10, 2014 [11] STEHLÍK, M.: Accelerated carbonation depth test in an atmosphere of 98% CO2, Engineering Structures and Technologies, Vol. 3(2), p. 51 - 55, 2011