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Wastage of material in Rapid Prototyping is very less.
Rapid Prototyping uses materials economically.
Conventional processes involve material removal processes, in which the final shape of product is obtained by machining of excess material, which leads to wastage of material, hence increasing the cost.
Science Journal of Clinical Medicine. 
Art and science of cleft lip and cleft palate repair(Vol. 1).

Preface This is the proceedings of the selected papers presented at 12th IUMRS International Conference on Advanced Materials (IUMRS-ICAM2013) held in Qingdao, China, Sept. 22-28, 2013.
The IUMRS International Conference on Advanced Materials is one of the most important serial conferences of the International Union of Materials Research Societies (IUMRS).
IUMRS-ICAM 2013 had 33 Symposia covering five fields of Energy and environmental materials; Structural materials; Functional materials; Nano-scale and amorphous materials; and Materials processing and Genomic engineering.
By recommendation of symposium organizers and after peer reviewing 235 papers are published on the journal of "Materials Research Innovation", 308 papers are published in the present proceedings, which divided into three volumes of Part 1: Energy, Environment and Functional Materials Part 2: Structural Materials Part 3: Nano-Scale Materials, Materials Processing and Genomic Engineering This is the volume for Part 2 including 117 papers selected from 6 symposia of Area B (Structural materials).
Editors IUMRS-ICAM 2013 12th IUMRS International Conference on Advanced Materials September 22-28, 2013, Qingdao, China Organized by Chinese Materials Research Society(C-MRS) International Union of Materials Research Societies (IUMRS) Supported by Ministry of Science and Technology of China China Association for Science and Technology National Natural Science Foundation of China Chinese Academy of Sciences Chinese Academy of Engineering Government of Qingdao City, Shandong Province, China American Institute of Physics

Biomaterials derived from natural sources can be categorized into four main groups: protein-based materials, polysaccharide-based materials, glycosaminoglycan-based materials, and extracellular matrix materials.
Liebold–Ribeiro, “A systematic approach to identify cellular auxetic materials,” Smart Materials and Structures, vol. 24, Feb. 2015.
Chen, “3d–printed biomaterials with regional auxetic properties,” Journal of the Mechanical Behavior of Biomedical Materials, vol. 76, May 2017.
Ren, “Auxetic cellular materials - a review,” Strojniški vestnik – Journal of Mechanical Engineering, vol. 62, pp. 485–493, Sep. 2016.
Langer, “Transport rates of proteins in porous materials with known microgeometry,” Biophysical Journal, vol. 55, no. 1, pp. 163–171, 1989, ISSN: 0006-3495.

Fig.1 The molecular structure of pyridopyrimidines derivatives Materials and methods Anticancer activity (lg1/C) of pyridopyrimidines derivatives.
Chetouani: Intern ational Journal of Computer Science & Applications,Vol.4(2007), 119-133
Brown: Journal of Chemical Information and Computer Sciences, Vol. 35 (1995),1074-1080
Shao: Methods of Chemometrics (Science Press, Beijing 2004) [21] Q.
Yang, et al: Natural Sciences Journal of Harbin Normal University, Vol. 26 (2010),53-56.

Experimental Materials.
Generally, blending starch with PVA improves the mechanical properties of the starch based materials.
Figure. 2 showed the tensile strength of the blend materials.
Journal of Cleaner Production, 11, 27 – 40,(2003)
Unmar, Determining biodegradability of plastic materials under controlledand natural composting environments.

Materials and Methods Plant Material.
Indian Journal of Pharmaceutical Sciences, 2018. 80(5)
Paper presented at the Materials Science Forum, 2020. 990 : p.86-90
Journal of Dispersion Science and Technology, 2023 : p.1-9
Paper presented at the Materials Science Forum, 2020. 990 : p.111-116.

The Peltier effect refers to that when electric current flows in a closed loop constituted by two different conductive materials, there will appear endothermic and exothermic phenomenon at the ends of the conductive materials respectively.
Now the thermoelectric devices have been used practically in widespread fields with the development of new thermoelectric materials.
Zhou: submitted to Journal of Gansu Science and Technology (2009) [3] Qiang.
O: submitted to Journal of Thermal Science and Engineering (2001) [5] Hodes and Marc: submitted to Journal of Packaging and Manufacturing Technology (2012) [6] L.
Li: submitted to Journal of Refrigeration (2011)

Journal of Civil Engineering and Management, 18 (1), pp. 81-90 (10 p).
Applied Mechanics and Materials, Vols. 249-250, pp. 1087-1098 (12 p).
Applied Mechanics and Materials: Mechatronics and Applied Mechanics II.
Applied Mechanics and Materials, Vol. 188, pp. 177-182 (6 p).
Applied Mechanics and Materials, Vol. 137, pp. 95-99 (5 p).

bamboo fiber maked as reinforcement by above methods can were used to make variety of composite materials, its products being further developed [2,3].
Process and test of bamboo fiber Process of bamboo fiber Materials The sinocalamus bamboo used in this experiment harvested at 1 years of age from Sichuan province.
Yang Yunfang calculated that modulus of fiber in bamboo was 27.6GPa according to the mixed rate of composite materials [7].
Journal of Applied Polymer Science，Forum Vol. 1(2000), p.83 [4] Zhang Wei, Li Wenbin,Yao Wenbin:Journal of Beijing Forestry University.
(In Chinese) [7] YangYunfang,Liu Zhikun:Journal of Zhejiang Forestry college Vol. 13 (1996), p.27 (In Chinese)

Acknowledgement The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China (Nos. 50575045 and 50875050) and the Key Project of the Natural Science Foundation of Guangdong Province (No. 9251009001000009).
Xu: Chinese Materials Science Technology & Equipment (1) (2007), p.41-43 [2] J.
Zhang: Journal of University of Science and Technology of China (1) (2006), p.23-27 [4] E.
Wang: Journal of Harbin Institute of Technology Vol. 37(4) (2005), p.433-436 [6] K.
Shibayama: Journal of Intelligent Material Systems and Structures Vol. 13(7-8) (2002), p.405-408 [7] S.