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Enterprise size is in terms of concentration of the technology and equipment, raw materials, energy, labor and other input factors in the enterprise.
The formation of scale economies requires funds, manpower, material resources, technology, organization structure, management ability and other aspects of preparation; for scope economies, besides these, it still needs higher technical level.
But electrical machinery industry or any enterprise whose producing area of raw materials is quite far to the producing area can play the more advantages of scale economies.
Hunan university of science and technology, 2008
Journal of System management, 2009

Each flexible plate with a thickness of 30mm is jointed to the top and bottom flanges by welding, leaving 19 mm gap in any two adjacent flexible plates, as shown in figure 2. 1 2 3 4 Fig.2 Scheme of reference design for GS (1— lower flange, 2— flexible plate, 3—upper flange, 4—thermal anchor) This design has to be given up after we made a weld experiment on it because the material 316LN has defects and small voids due to nitrogen segregation and migration from base material after welding [3].
Therefore an alternative design is performed without changing the material property and the boundary size of the GS, as shown in the Fig. 3.
Special Devices for the Test of Full-size Fasteners In the ITER design, threaded fasteners (material: 316LN, inconel-718 and A286) are widely used in the supports.
The authors would like to express our gratitude to China International Nuclear Fusion Energy Program Execution Center, Ministry of Science and Technology.
Journal of Nuclear Materials, 2009, P 931-934 [4] B.L.

Gupta found that adding AAc in the N-isopropyl/AAm radiation graftedPET process can improve theefficiency of grafting [5], and endowmore properties to the material.
B. found that the use of AAc and acrylonitrilegrafted to LDPE and PET, increase the content of AAc in favor of the biodegradation of material increased after grafting [7].
EXPERIMENTAL Materials Plain knitting PET fabric (100g/m2)was supplied by ZhejiangXinjian Textiles Co., Ltd.
Effect of grafted AAc/AAm on thermal stability of PET TGA is one of the most favored methods for evaluating the thermal stability of polymeric materials.
Journal of Colloid and Interface Science, 1996, 178(1): 371-3

Tab. 1 Thermal properties of steel and adhesive Material Density(kg/m3) Specific heat (J/kg· ℃) Heat conduction coefficient (w/s· k) Steel 7900 440 40 Adhesive 1000 1260 0.2163 For comparison purpose, the temperature history of the exposed joint curing at the same curing conditions was also studied through FE method.
It is known that the material inner heat resistance leads to its uneven temperature distribution [9].
The vehicle bonded structures are usually made up of different materials with different thicknesses.
Journal of Materials Science Vol.20(1985),P3300

The Electromagnetic properties of materials contained in this model are shown in Table 1.
Fig. 2 Physical model of eddy current sensor array while detecting cracks Table 1 Electromagnetic properties of materials of model LY12 aluminum allay brass Resistivity [Ω•m] 5.7X10-8 7.2X10-8 Relative permeability 1 1 The fundamental of electromagnetic simulation Maxwell's equations are the fundamental of electromagnetic analysis, and all of the electromagnetic fields are governed by those equations.
Reference [1] Cheng-Chi Tai, Sheng-Feng Wang: Key Engineering Materials Vol. 270-273 (2004), p. 585 [2] DING Tianhuai, CHEN Xianglin and HUANG Yiping: Tsinghua Science and Technology Vol. 9 (2004), p. 667 [3] LI Jiawei, CHEN Jimao: Non-Destructive Testing Handbook (China Machine Press, Beijing 2006) [4] Fu Xiaoqiang, Wu Sujun and Zhang Jiajia: Civil Aircraft Design and Research 2009, p. 84 [5] Vladimir Zilberstein, Karen Walrath and Dave Grundy: International Journal of Fatigue Vol. 25 (2003), p.1147 [6] Neil Goldfine, David Clark: Proc. of SPIE Vol. 2944 (1996), p. 186 [7] David Grundy, Andrew Washabaugh and Darrell Schlicker: Proc. of SPIE Vol. 5770 (2005), p. 14 [8] Nail Jay Goldfine: Uncalibrated, Absolute Property Estimation and Measurement Optimization for Conducting and Magnetic Media Using imposed ω-k Magnetometry (Massachusetts Institute of Technology, USA 1990)

(3) Having material in line-friction segment and having no material in other segments: Line friction can provide enough driving force, and the total running resistance is less than that under full-load working condition.
(4) Having no material in line-friction segment and having material in other segments: Line friction can provide the same driving force as the condition with no-load, and total running resistance is larger than that of no-load condition.
(2) Where, ——mass per unit length of conveyor belt, kg/m; ——mass per unit length of material, kg/m; ——the length of driving belt in driving segment, m; ——inclination angle of conveyor belt, π/180 rad; ——acceleration of conveyor, m/s2; ——mass per unit length of carrier roller in driving segment, kg/m; ——mass per unit length of driving belt, kg/m; ——equivalent mass per unit length of carrier roller, kg/m.
Because the lower branch is in the state of having no material, it cannot provide sufficient driving force
Peng: Journal of Northeastern University(Natural Science) Vol.19 No.3 (1998),p.195-199.

College of Science, Naval University of Engineering, Wuhan 430033, China aemail:wenqingzhen8@sina.com,bemail:zhangying198216@yahoo.cn,cemail:zhujinhua@163.com Keywords: UV-PUA films, Active diluents, Photopolymerization kinetics, Mechanical properties Abstract.
Experimental Materials. polyurethane acrylate (PUA) and 2-hydroxyethylacrylate(HEA) were produced by Tianjin Chemical Reagent Research Institute, Tripropylene glycidyl diacrylate (TPGDA) and Trimethylol propane triacrylate(TMPTA) were supplied by Tianjiao Chemical Co.Ltd.
Ltd.), EDAB (Kunshan Taida Chemical Co.Ltd.), All the materials in this study were used as received without further purification.
Mistry: submitted to Pigment & Resin Technology(2008) [3] Hongbo Liu, Mingcai Chen and Zhitang Huang : submitted to European Polymer Journal(2004) [4] Heping Xu, Fengxian Qiu and Yingying Wang: submitted to Progress in Organic Coatings (2012) [5] Tong Zhang, Wenjian Wu and Xiaojie Wang: submitted to Progress in Organic Coatings(2010) [6] Shang-Tzen Chang, Pai-Lung Chou: submitted to Polymer Degradation and Stability(1999) [7] Xinyan Xiao,Caicheng Hao:submitted to Colloids and Surfaces A: Physicochemical and Engineering Aspects(2010) [8] Hongbo Liu, Linliang Yu and Mingcai Chen: submitted to Materials Research Bulletin(2003) [9] Katia S, Christian D and Erich B: submitted to Progress in Organic Coatings(2003)

This ambivalent challenge often demands to solve various conflicts of objectives and thus requires a well-balanced coordination of engineering and materials science.
Steel materials with low strengths like DC- and DX- steels show high elongation, whereas materials with higher strength correspondingly exhibit minor values of elongation.
The crash behaviour of these materials will be analyzed with the help of a vertical drop test bench.
Table 2 gives a general overview of the employed materials.
Lechler, Investigation of the thermo-mechanical properties of hot stamping steels: Journal of Materials Processing Technology 177 (2006), 452-455

Matano to the Quantitative Analysis of Diffusion Phenomena Wolfgang Sprengel1,a and Masahiro Koiwa2,b 1Institute of Materials Physics, Graz University of Technology, Graz, Austria 2Department of Materials Science and Engineering, Kyoto University, Kyoto, Japan aw.sprengel@tugraz.at, bmkoiwa@zd.ztv.ne.jp, Keywords: Boltzmann, Matano, diffusion coefficient, analysis, history.
In text books of metallurgy or materials science this condition is illustrated as the origin of a plane which divides the area below the c(x) curve into two equal parts, an equivalent drawing can also be found in Matano’s paper (see Fig. 5b).
Often expressions found in textbooks of metallurgy or materials science concerning the “Matano plane” are misleading or simply wrong, as they do not correctly refer to the original paper by Matano.
In this sense, cleverly designed diffusion experiments in supercooled liquids might lead to new frontiers in materials science.
Cahn, The Coming of Materials Science, Pergamon, Amsterdam, 2001

Introduction The Supply chain is a network of suppliers, factories, warehouse, distribution canters and retailers through which materials are required, transformed and delivered to customers.
M., 2002, On the complementary value of accurate demand information and production and supplier flexibility, Manufacturing and Service Operations Management 4(2), 99-113 [2] Raghunathan, S., 2003, Impact of demand correlation on the value of and incentives for information sharing in a supply chain, European Journal of Operational Research 146, 634-649 [3] Lin, F., Huang, S. and Lin, S., 2002, Effects of information sharing on supply chain performance in electronic commerce, IEEE Transactions on Engineering Management 49(3), 258-268 [4] Cachon, G. and Fisher, M., 2000, Supply chain inventory management and the value of shared information, Management Science 46(8), 1032-1048 [5] Yu, Z., Yan, H. and Cheng, T.C.E., 2001, Benefits of information sharing with supply chain partnerships, Industrial Management & Data Systems 101(3), 114-11 [6] Michael Grean, Michael J.