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Invisibility of PDF417 Barcode The PDF417 barcode, which is printed by the invisible ink containing the upconversion materials, cannot be seen in the daylight but can be detected under light of specific wavelengths.
The invisible IR ink contains the IR upconversion material, whose anti-counterfeit mechanism is to print the ink made by the colorless and odorless IR upconversion material in polycrystal powder on such base materials as paper and plastics, and show the barcode information by specified IR detector.
Wu: Journal of Jiaozuo Institute of Technology (Science Version).

It is typical compound machining technology which provides a new way for hard-cutting materials cutting processing, has been used in aviation industry, weapons, machinery, vehicle, chemical industry, microelectrics and medical industry [4,5].
Acknowledgements This work was financially supported by National Natural Science Foundation of China (NSFC), No.50875120.
[5] YE Bangyan, ZHUO Zehua, Study on the mechanism of electric hot machining of hard to cut materials[J], Journal of South China University of Technology, 1994, 22(5), 93-99 [6] LI He-ping, YUAN Xin, Green manufacturing and machining example of dry milling, Coal Mine Machinery, Vol.28,107-108,2007 [7] CHEN Yucai, WANG Xi, WU Fei, Based on multi-sensor stainless steel dry milling process monitoring and controlling, Advanced Materials Research, vol.6, 381-384, 2011.

Principle of a Thermoelectric Cooler Thermoelectric cooler work because of the Peltire effect, i.e., when a DC current passes through a cell made of a pair of n- and p-type semiconductor materials, one of the junctions will be cooled whilst the other is heated depending on the direction of the current..
The experimental model consists of a TEC module, simulated chip (heat source), heat sink, heat spreader, insulating material, and fixed plate (Fig.1).
The simulated chip is embedded in the vitrified micro bubbles insulating material.
Acknowledgements This is a Project Supported by Hunan Provincial Natural Science Foundation (11JJ3058).
International Journal of Heat and Mass Transfer. 2010; 53: 2001-2011.

The purpose of Building energy efficiency design is through certain building construction practices, choosing the right materials, to achieve the purposes of reducing energy consumption and heat, cold, electricity, fuel and others, but also to guarantee a certain level of comfort.
Due to rural residential energy saving is a comprehensive and systematic project, involving architectural design, building science technology, materials, structure, construction, heating ventilation air conditioning, property management, policies and regulations and other aspects, the reasonable distribution of rural residential energy saving design work need strengthen cooperation and joint effort of each professional department to be well done.
Journal of Materials in Civil Engineering, 2003: 236-245

- Phase III: the solidification of the material.
Mechanically fastened joints tend to use the available material inefficiently.
In figure 15 we can see the shear effect of the material on the sides of the adhesive joint.
Structure, propriétés et applications, Edition Hermes Science, p. 129-131 (2000) [2] P.
Coppendale : The Stress-Strain Behaviour of Axially-Loaded Butt Joints, Journal of Adhesion, Vol. 10, (1979), p. 49-62

Fabrication and Properties of Polyurethane Nanofibers Nonwoven by Solution Blowing Ketian Guan1,a, Xupin Zhuang2,b, Guilong Yan3,c, Bowen Cheng2,d 1School of Textile, Tianjin Polytechnic University, Tianjin 300160, China 2Key Laboratory of Advanced Textile Composite Materials of Ministry of Education, Tianjin Polytechnic University, Tianjin 300160, China 3College of Materials Sci.
In addition, it is also suitable for the fabrication of elastic fiber materials, owing to its good chem-phys properties and good performance of forming [4].
Journal of Applied Polymer Science, Vol. 113 (2009),p.2322-2330 [3] Z.R.

Ciudad Universitaria, Lima, Peru. 2 Institut de Ciència de Materials de Barcelona - CSIC, Campus de la UAB, E-08193.
Introduction The most common method for synthesis of the YBa2Cu3O7-δ (Y123) is the conventional Solid State Reaction Method (SSRM) using metal oxides as starting materials [1-3].
Despite the fact that careful processing is considered in this method, in many cases, a number of unwanted phases and unreacted starting materials is found in the final product.
Narlikar (ed), studies of High Temperature Superconductors, Nova Science, New York, 1989, p.229
Journal of Alloys and Compounds 217 (1995) 200-208

Mechanical Properties of Carbon Fiber Reinforced Plastics under Hot-Wet Environment Hideaki Katogi1,a, Kenichi Takemura2,b and Yoshinobu Shimamura3,c 1Graduate student, Graduate School of Science and Technology Educational Division, Department of Environment and Energy System, Shizuoka University, 3-5-1 Johoku Naka-ku, Shizuoka, 432-8561, Japan 2Department of Mechanical Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Yokohama, 221-8686, Japan 3Department of Mechanical Engineering, Shizuoka University, 3-5-1 Johoku Naka-ku, Shizuoka, 432-8561, Japan ahkatogi@mechmat.eng.shizuoka.ac.jp, btakemura@kanagawa-u.ac.jp, ctyshimam@ipc.shizuoka.ac.jp Keywords: Carbon fiber, Epoxy resin, Hot-wet environment, Flexural strength Abstract.
Methodology Materials and Fabrication Method.
Kawada: Journal of the Japan Society for Composite Materials, Vol. 34, 3 (2008), p. 95 [3] Y.
Narisawa: Life of Plastic Materials, Nikkan Kogyou Shimbun, Ltd. (1989)

High Temperature Rheological Characteristics of Brucite Fiber Modified Asphalt Mastics Bowen Guan1,a,Shuanfa Chen2,Rui Xiong1, Yanping Sheng2 and Lili Ma2 1Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang’ an University, Xi’ an 710064, China 2School of Materials Science and Engineering, Chang’an University, Xi’an 710061, China aguanbowen2001@163.com Keywords: Brucite fiber, Asphalt mastic, Rheological characteristic.
Introduction Brucite fiber asphalt concrete is a pavement composite material, whose performance can be improved by the addition of brucite fiber [1].
As a new type of pavement material, high temperature rheological characteristics of brucite fiber modified asphalt mastics has not been reported at home and abroad.
Experimental Raw materials.
Gu: Journal of Highway and Transportation Research and Development, Vol. 23 (2006) No.1,p.24

It has two walls, between which there is insulating material.
Material storage load is the main consideration of load in the analysis.
The values of material storage load at the top and the bottom of the silo differ greatly.
As is known to all, the deeper it is, the larger the load due to bulk materials is.
Ayuga: Finite element analysis under different boundary conditions of the filling cylindrical steel silos having an eccentric hopper (Journal of Constructional Steel Research, 2008)