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(7) The overall heat transfer coefficient can be calculated from: (8) where is thermal conductivity of tube material, and are heat transfer coefficient for inside and outside flow, respectively.
Clodic, Modelica-based modelling and simulation of dry-expansionshell-and-tube evaporators working with alternative refrigerant mixtures, international journal of refrigeration, Vol. 34 (2011), p.1471 -1482
Al-Fahed, International Journal of Heat and Fluid Flow, Vol. 14 (1993), p.64-67
Date, Experimental Thermal and Fluid Science, Vol. 2 (1989), p.310-322.

Vortex is an important carrier for energy and material transfer.
Journal of Oceanography.
Marine science bulletin.
Journal of hydrodynamics.

Introduction With development of ultra precise processing, bio-engineering, aviation precise manufacture, micro electron project, nanometer science and some other technologies, requirements of the micro-nano positioning equipments are becoming more and more urgent [1-3].
It is one-piece and processed by a whole material.
References [1] H.Shinno, H.Yoshioka, K.Taniguchi: CIRP Annals-Manufacturing Technology, Vol.56 (2007), p.369-372 [2] Hongtao Chen, Guangming Cheng, Xianqiang Xiao, et al: Machinery Design and Manufacture, Vol.1 (2007), p.153-155 [3] Guoxian Zhang, Qiang Chen, Wenzeng Zhang, et al: Transactions of the China Welding Institution, Vol.26 (2005), p.25-28 [4] Shen Dong, Lixia Chen, Hailong Liu: Aviation Precision Manufacturing Technology, Vol.34 (1998), p.1-3 [5] Jinyong Huang, Yuehai Lou, Yanding Wei: Journal of Machine Design, Vol.26 (2009), p.21-23 [6] Yanling Tian, Dawei Zhang, Bing Yan: Optics and Precision Engineering, Vol.14 (2006), p.94-99 [7] Dongsheng Qu, Lining Sun, Jianguo Wang, et al: Piezoelectrics and Acoustooptics, Vol.24 (2002), p.506-509 [8] Zhiping Zhou, Longtai Wang, Zhixin Ma: Machine Design and Research, Vol.22 (2006), p.62-64 [9] Bibo Wang, Jinfu Yue, Zebing Zhou, et al: Nanotechnology and Precision Engineering, Vol.3 (2005), p.137-141 [10] Yanfei Zhang, Jinliang
Hashizume: CIRP Annals-Manufacturing Technology, Vol.50 (2001), p.243-246 [12] Yu Zhu, Wensheng Yin, Guanghong Duan: Equipment For Electronic Products Manufacturing, Vol.109 (2004), p.25-27 [13] Ronghai Wang, Zexiang Zhao, Zhuangde Jiang: Journal of Mechanical Strength, Vol.23 (2001), p.452-455 [14] Shaoyun Sun, Dongsheng Qu, Lining Sun, et al: Robot, Vol.26 (2004), p.32-34

Armored vehicles are complex systems involved multidisciplinary including optics, mechanics, electricity, fluidics, material, information and control science, etc.
Suh, O.De Weck and I.Y.Kim: Journal of Intelligent Manufacturing, Vol. 18 (2007) No.1, p.115-126
[15] H,F,Teng, Y.S.Wang and Y.J.Shi: Chinese Journal of mechanical engineering, Vol, 42 (2006) No.11, p.1-8

Remeters of 1.30MW PMSG Parameters Value Phases 3 Poles 96 Stator slots 360 Air-gap/mm 6 Rated frequency/Hz 16 Rated speed(r/min) 20 Rotor length/mm 892 Parallel branch 8 Thickness of permanent magnet/mm 25 Rotor outer diameter/mm 3569 Permanent magnet material NdFeB/vH 42 Stator outer diameter/mm 3786 (a) overall view (b) partial view Fig.2.
Acknowledgement This work was supported by a grant from the National Natural Science Foundation of China (No: 51007060) and the National University Student Innovation Program (No. 201210056043) of Tianjin University.
[14] Fang Hongwei, Xia Changliang, Li Guoping.Analysis of Synchronous Generator Electro-Magnetic Torque and Vibration with Armature Winding Fault, Journal of Tianjin University[J]. vol. 42, 2009, pp. 322-326.
Huanghuai Journal, vol. 14, 1998, pp. 1-8.

Electronic Science and Engineering, Kyoto University, 1 Kyotodaigakukatsura, Nishikyo, Kyoto 615-8510, Japan 2Dept.
Although a few attempts of fast epitaxial growth with growth rates from 10 to 25 µm/h at high temperatures have been reported [1-3], investigation and understanding of material properties is still limited.
The Journal Title and Volume Number (to be inserted by the publisher) 3 Ivanov (2 K) ○,▲:This study (18 K) [p] [n] 0.001 0.01 0.1 1 10 1E+12 1E+13 1E+14 1E+15 1E+16 Doping concentration (cm -3) Q0/ILA ratio 10 12 1013 10 14 10 15 10 16 Slope ≈ 1 Fig. 4.
Vol. 41 (2002), p. 1137 Journal Title and Volume Number (to be inserted by the publisher) 5 [5] D.

The special location of the streets and blocks with historic and cultural value requires that the planning and design must be conducted in a way which can determine the original and complete protection of the visual substances including the layout, color, materials, decorations, etc. of the building from the point of the entire city.
The mode of overall protection of the streets and blocks with historic and cultural value is that the material cultural heritage such as environment, layout, buildings and structures at this location has to be fully preserved, and at the same time, the original functions of the buildings have to be carried on to retain the natives and continue the living style and cultural practices of the natives.
For example the front and back patios can be rebuilt to skylight with steel structure, glass and other materials.
On that basis, portrait of the city can be refined and continued with traditional characteristics in material and mental sphere reserved.
References [1] Wan Ning, Pan Wei, Lu Hairong: Urban Planning, 2011, (6), 86-90(In Chinese) [2] Han Xiaoli, Li Zhimin, Song Gongming: Journal of Xi'an University of Architecture & Technology (Social Science Edition), 2008, (3), 36-39(In Chinese) [3] Huang Huan: Planners, 2010, (5), 61-67 (In Chinese) [4] Lu Liang: Planners, 2008, (9), 66-69 (In Chinese) [5] Cong Lei, Huang Huan, Li Xiaohui: Urban Planning Forum, 2009, (7), 139-143(In Chinese)

SCC is a complex material exhibiting several sensitive interactions between the constituent materials [4] and the slump flow of SCC is not only determined by the water content and maximum size of coarse aggregate, but that is also influenced by the contents of other concrete ingredients.
Hence SSVR can be used for online prediction of slump flow deviations that are going to take place after several changing of material ingredient.
Journal of Computing in Civil Engineering, Vol. 15, No. 3. (2001) 208-216 [7] J.
Computational Materials Science 44 (2009) 913–920 [9] V.

A Study on Incentive Mechanism for Star Hotel Employees Against the Background of IT application Li Daihong Chongqing University of Science and Technology, Chongqing China，401331 Email：lidaihong600@163.com Keywords: IT application, employees of star hotel, incentive mechanism Abstract.
Too much emphasis on material rewards Nowadays, though incentive mechanism has been implemented in star hotels, most hotels prioritize material incentives but fail to incorporate moral incentive into the mechanism.
Enhance comprehensive utilization of manifold incentive mechanism Manifold incentive means the incentive mode by integrating target encouraging, cultural encouraging, material encouraging, behavior encouraging and moral encouraging, etc.
In light of the characters of star hotel employees, (for example, they are young, unsophisticated, always moving from job to job, etc), the most effective incentive adopted by most hotels is material encouraging.
Though the short-term effect of material encouraging is remarkable, to retain the employees, managerial staff has to take into consideration building up manifold incentive mechanism.

Experimental materials and methods A type of ferrous-tungsten, which contains 78.5wt%W and 2.2wt%C, was used as the tungsten bearing materials.
Graphite powders with size less than 100 meshes were selected as the carbon bearing materials.
Chen: Journal of Xian Jiaotong University (in Chinese).
Yang: Foundry (in Chinese).Vol.56 (2007), p491 [5] H.Qi.WC particles reinforced iron and steel matrices selected area composites and its application (in Chinese).Kunming：Kunming University of Science and Technology，2001