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Visual evaluation of dust below 1 g/m2 is already difficult because the structure of galvanized sheet creates masking background for light dust. 2,2 g/m2 4,5 g/m2 9,0 g/m2 Figure 1 – Ethalon 2,2; 4,5 a 9,0 g/m2; ground coffee material, particles 15 to 40 µm, median 25 µm 2,2 g/m2 4,5 g/m2 9,0 g/m2 Figure 1 – Ethalon 2,2; 4,5 a 9,0 g/m2; flour material; particles 4 to 6 µm, median 5 µm Figure 3 - Examples of samples of solid particles which can be identified at a magnification of 1: 100 to 1: 150 Sawdust metallic (left), wooden (right) Pollen (left), sand (right) Insulation fiber (left) elastomer - rubber (right) Results Currently, the verification measurement of dust deposits is under way on a number of completed buildings in Brno.
The material of distribution, or greasy of surfaces and therefore the prone to snapping dust, but also technology, which is pipe-processed (grinding tools are a great source of impurities) have great influence on the amount of particles in the pipelines.
Indoor Air, 12: 191–197. doi: 10.1034/j.1600-0668.2002.01119.x [7] Holopainen, R.; Dust in ventilation ducts: accumulation, measurement and removal; Dissertation for the degree of Doctor of Science in Technology; Helsinki University of Technology, 2004; ISBN 951-22-6976-7 (PDF format) [8] Holopainen, R.; The Field Comparison of Three Measuring Techniques for Evaluation of the Surface Dust Level in Ventilation Ducts. 
Indoor Air: International Journal of Indoor Air Quality and Climate.

Speckle pattern characterisation for high resolution digital image correlation G Crammond1, a, S W Boyd1 and J.M Dulieu-Barton1 1University of Southampton, School of Engineering Sciences, Southampton, SO17 1BJ, UK agc305@soton.ac.uk Keywords: Speckle pattern, Digital Image Correlation Abstract Digital image correlation (DIC) is an optical technique for full field deformation measurement.
Speckle pattern Speckle patterns were painted on a flat plate of glass fibre epoxy composite material, which was sanded smooth to remove any effects from the substrate texture on quality of the applied patterns.
Shang: Applied Mechanics and Materials Vol.13-14 (2008), p. 65 [3] J.
Guilford: Biophysical Journal, Vol.81 (2001), p. 2378-2388

On the basis of that exact solution optimize the electromagnetic performance and material consumption to get the best solution.
The material and shape of permanent magnet are the factors that have effect on the performance of permanent magnet synchronous motor.
At the same time iron loss will increase and efficiency is down, and material utilization is reduced, so the overall performance of the motor will be affected [6].
Journal of Northwestern Polytechnical University, 2004, Vol. 22(3), p. 355-359 [3] Wang Xiuhe, in: YONG CI DIAN JI, edited by Qi Wei, chapter 8, Beijing: China Electric Power Press (2007)
Science&Technology Information, 2011, Vol. 36(1), p. 82-83 [6] P.Salminen, J.Pyrhönen, M.Niemelä: A Comparison between Surface Magnets and Embedded Magnets in Fractional Slot Wound PM Motors.

Residual Stresses in Locally Long Fiber Reinforced Aluminum Parts Shaochun Sun1,a, Zhiyuan Chen1,b, Qiang Wu2,c, Dexin Ma2, Yutao Zhao1 1School of Material Science and Technology, Jiangsu University, Zhenjiang, 212013, China 2Foundry Institute, RWTH Aachen University, 52072 Aachen, Germany assc@ujs.edu.cn, bchenzhiyuanxy@163.com, cq.wu@gi.rwth-aachen.de Keywords: Aluminum Matrix Composites, Long Fiber, Residual Stresses.
For the measure of residual stresses in the samples the important parameters are respectively the type of X-ray and the interference lines of crystal planes {hkl} of the measured material.
Then the residual stress in the material can be calculated by analyzing the difference of D and the standard distance of this crystal lattice D0 in the direction of measure angle ψ [7].
Journal of Shanghai Jiaotong University 35 (2001) no.3, Pp. 367-370

Shell structures, like other types of structures, are usually susceptible to various types of defects and damages such as initiation and propagation of cracks, corrosion, chemical attack and time-dependent material degradation, which impair their structural soundness.
H. and Vaziri A., Instability of cylindrical shells with single and multiple cracks under axial compression, Thin-Walled Structures 54, pp. 35–43 (2012) [8] Allahbakhsh H. and Shariati M., Buckling of Cracked Laminated Composite Cylindrical Shells Subjected to Combined Loading, International Journal for the Science and Application of Composite Materials 19 (2012) [9] Allahbakhsh H. and Shariati M., Instability of cracked CFRP composite cylindrical shells under combined loading, Thin-Walled Structures 74, pp. 28–35 (2014) [10] Tafreshi A. and Bailey C.

Urban-rural Spatial Network System [2] Network type Main content Urban-rural system network Regional spatial network structure of metropolitan area Spatial network structure of urban system Spatial network structure of city Uban-rural spatial network structure of town level Physical space association network Infrastructure network structure Ecological association network structure Nonphysical space association network Economia connection network including industry, captial, labor, material, consumption and so on Political connection network/ administrative structure network Social connection network including culture, custom, religion, value, interpersonal relationship Other connection network Build perfect urban-rural ecological network pattern.
Acknowledgements This work was financially supported by the National Natural Science Foundation: Research of Spatial Patterns and Planning Methods of Typical Urbanization Areas(belts) in Northwest China (51178372 ).
Journal of A rid Land Resources and Environment, Vo.l22, No.12(2008),p.24-29. in chinese [3] Baoxing QIU.

In addition, the user can also add books into a list of my favorite books, therefore, it makes more convenient for users to manage the books.At present,the learning material mainly is divided into txt,pdf and doc format, so the system mainly provide reading and downloading based on the above three format ebooks, to enable the system to become a true learning platform, rather than an entertainment reading platform just for killing time.The read module is not just for reading but also for books category management.The main code for txt reader to draw text are as follows: String txtStr =null; txtStr =TextLoadUtil.readFragment(start, PAGE_LENGTH, FILE_PATH); / /Read text char c = txtStr.charAt (index); //the judgments text in Chinese or English boolean isFinish = false; //determine whether the text has finished int currRow= 0; //line of text displayed int currX = 0; //Text drawing position while(!
Research on Library Science.2011 (11) 17-21
Journal of Computer Applications,2011 (2): 228 -232.

Topics cover science fiction, history, martial arts, magic, sports and many other popular areas.
Role-playing game interactive behavior generally consists of three main parts: people management, navigation, control, and material field.
Dill,Karen E,Video games and aggressive thoughts,feelings,and behavior in the laboratory and in life,Journal of Personality and Social Psychology,2000 Apr Vol 78(4) 772-790

Castelli et al [5] simulated the propagation law of shear band in defect material using boundary element method.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51308355) and opening project of the Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology.
Chinese Journal of Rock Mechanics and Engineering, Vol. 25(2006), p.2320, in Chinese [7] H Sam.

While highly mineralized water is the main material source of the formation of saline soil, and under the condition of same water depth, the salinization degree is heavier in the high mineralized groundwater distribution area.
References [1] Wang Yihong etc: Preliminary Engineering Geological Investigation Report in Yanqing New Town Area (Beijing Institute of Geological & Prospecting Engineering, 2010) [2] Wu Wei, Gu Baohe etc: GB50021-2001 Code for Investigation of Geotechnical Engineering (China Architecture & Building Press, Beijing 2009) [3] Li Wei: Research on the Geological Property Treatment Countermeasure of the Saline Soil Project on the Bao-Xi Railway, Shanxi Architecture, Vol.35, No.12 (2009), p.92-93 [4] Zhong Dechun: Study on the Distribution Characteristics of the Saline Soil and the Foundation Treatment in Xining Area, Journal of Qinghai University (Nature Science), Vol.29, No.2 (2011), p.29-33 [5] Chang Sibiao, Zhang Sumin etc: Engineering Geology Manual (China Architecture & Building Press, Beijing 2007)