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Molecular dynamics (MD) is a powerful method that can simulate the materials at atomic scale and it can be used to predict the performance and properties of a wide range of materials.
a) Epoxy Novolac structure b) Bisphenol-A Fig. 1 Structures of Bisphenol A and Novolac Epoxy All the MD calculations were performed by Materials Studio 5.5 (Accelrys Inc.).
The structure was built by Amorphous Cell module of Materials Studio, as shown in Fig.2.
The approach here is also expected to be successful for other materials with complex networks.
[5] Gou J, Minaie B, Wang B, Liang ZY, Zhang C, “Computational and experimental study of interfacial bonding of single-walled nanotube reinforced composites,” Computational Materials Science, Vol. 31, No. 3-4 (2004), p. 225-236

Modeling materials: continuum, atomistic and multiscale techniques.
Computational Materials Science, 67, 249-260, 2013 [9] Benedetti I, Gulizzi V, Mallardo V.
Modelling intergranular and transgranular micro-cracking in polycrystalline materials.
Mechanics of Materials, 117, 137-151, 2018 [16] Sfantos GK, Aliabadi MH.
Multiscale modeling of polycrystalline materials: A boundary element approach to material degradation and fracture.

A new value stream mapping technique based on material flow, information flow and knowledge flow Yucheng Pan 1,a, Di Liang 1,b, Xiangfei Ma 1,c, Huadong Wang 1,d 1School of Mechanical Engineering, Shenyang University, Shenyang, P.R.
Compared with the traditional value stream mapping technique which is based on the material flow and information flow, this paper combines the supply chain knowledge flow and the value stream mapping technique to come up with a new value stream mapping model which is based on the material flow, information flow and knowledge flow.
It is around the core business and reaches its goal through controlling the information flow, logistics and capital flow, following the procedure which from the procurement of raw materials to the output of the intermediate products and final products and finally to send the products to customers by sales network [1].
According to the actual condition in car seat processing, the value stream status map of car seat knowledge flow which based on the material flow and information flow is drawn by introducing knowledge flow, as shown in Fig. 2: Fig. 2 Status value stream map including knowledge flow This picture shows the current situation about value stream of car seat knowledge flow.
[3] Ijujiro Nonaka: Harvard Business Bedew Vol. 6(1991): p. 96-104 [4] Xiaofeng An, Xumei Zhang, Huitao Zhang: Science and Technology Management Research Vol. 1(2009): p.191-193, (In Chinese) [5] Desouza KC, Chattaraj A, Kraft G: Journal of Knowledge Management Vol. 3(2003): p.129-138 [6] Zhaoxiang Wang, Chen Cai: Chinese Journal of Management Science Vol. 2(2007): p.126-133, (In Chinese) [7] Gupta A K, Govindaraian V: Strategic Management Journal Vol. 4(2000): p. 473-496

Therefore, HAp is one of the most attractive materials in the biomedical applications.
The surface quality of the tooth inhibits to unify HAp materials into enamel or dentin.
Sasaki, Effect of hydroxyapatite film formed by powder jet deposition on dentin permeability, European Journal of Oral Sciences. 120 (2012) 558–562
Marszalek, Crystalline hydroxyapatite coatings synthesized under hydrothermal conditions on modified titanium substrates, Materials Science and Engineering C. 51 (2015) 57–63
Mehl, Wear characteristics of current aesthetic dental restorative CAD/CAM materials: Two-body wear, gloss retention, roughness and Martens hardness, Journal of the Mechanical Behavior of Biomedical Materials. 20 (2013) 113–125

Romanowski and Nagi [5] presented a data mining approach to forming generic bill of materials with the components and parts classification and coding.
Its length usually varies with the different types of materials.
In the area of mechanical products, different materials, such as products, modules, parts, etc, have different coding rules.
R & D Program of China under grant number 2009AA04Z415, the National Natural Science Foundation of China under grant number 51005237 and 50905195 and the Postdoctoral Science Foundation of China under grant number 20100471407.
Nagi, “A data mining approach to forming generic bills of materials in support of variant design activities,” Journal of Computing and Information Science in Engineering, vol. 4, Apr. 2004, pp. 316-328

Gibson: International Journal of Mechanical Sciences Vol. 43 (2001), p.701 [5] Cs.
Rajkovits: Materials Science and Engineering A, Vol. 387-389 (2004), p. 321 [6] S.
Miller: International Journal of Mechanical Sciences, Vol. 42 (2000), p. 729 [15] J.S.
Moussy: International Journal of Mechanical Sciences, Vol. 46 (2004), p. 217 [16] A.G.
Ilstad: International Journal of Mechanical Sciences, Vol. 44 (2002), p. 359

Materials and Methods 1-Raw Materials The alumina used as a material for the floor phase of the coating was purchased from the local market with a purity rate of approximately 98%. made in India.
[5] Silvio José Gobbi, Gustavo Reinke, Vagner João Gobbi, Biomaterial: Concepts and Basics Properties, European International Journal of Science and Technology, 2020, pp.21-33
Jack Lemons, Guigen Zhang, Properties of Materials, Biomaterials Science , 2020, pp35-48
[9] Elia Marin, Biomaterials and biocompatibility, Journal of Biomedical Materials Research 2020, pp4-12
Zadpoor, Mechanical performance of auxetic meta-biomaterials, Journal of the Mechanical Behavior of Biomedical Materials,6(2020) 12-21

The energy and environmental performance of a project using solar hot water system with vacuum tube materials Zushan Hu, Jian Yao* Faculty of Architectural, Civil Engineering and Environment, Ningbo University, Ningbo, China email: yaojian@nbu.edu.cn Keywords: Energy saving; solar hot water system; building energy.
This paper calculates the energy and environmental performance of a project with solar hot water system using solar hot water system with vacuum tube materials.
Methodology A project with solar hot water system with vacuum tube materials located in Ningbo was used to estimate the energy and environmental performance of renewable energy application in buildings.
Acknowledgement This work was supported by the natural science foundation of Ningbo (2012A610158) and Zhejiang Province (LQ13E080009).
[5] Zhou Y. and Zhou D., “Effect of Envelop Insulation for Indoor Thermal Environment in Summer: Tests and Analysis,” Journal of Ningbo University(Natural Science & Engineering Edition), vol. 26, pp. 100-102, 2013.

Both materials are combination of Al2O3 and Zr02 and their material properties are summarized in Table 1.
Radon: Computational Material Science, Vol. 28 (2003), pp. 620-627
Maca: Journal of the Material Sciences, Vol. 42 (2007), pp. 6404-6411
Lube: Key Engineering Materials, Vol. 290 (2005), pp. 191-198
Hutař: Computational Materials Science, Vol. 46 (2009), p. 614

[4] Guo Quangui, Song Jinren, Liu Lang: Aerosspace materials & technology, Vol.2(1999), p.43
[5] Kang Pengchao, Zhang Bin, Wu Gaohui: Transactions of Materials and Heat Treatment, Vol.30(2009), p. 142
[7]Yoshiaki Morisada, Yoshinari Miyamoto, Yuichi Takaura:International Journal of Refractory Metals&Hard Materials, Vol. 25(2007), p.322
[11] Huang Feng ping, Li Hejun, Li Kezhi: Journal of Materials Science and Engineering, Vol. 25(2007), p.175
[12] Wang XiaoGang, Guo JiHua, Li ChengFeng: Journal of Inorganic Materials, Vol. 20(2003), p.199.in Chinese