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Research of Security Mechanisms Based on LogicSQL Database Li Danning1, 2, a, Li Qi 1, and Ma Xinqiang 2, 3, b 1 CyberGIS Studio, Peking University, Beijing 100871, P.R China 2 Guizhou Academy of Science, Guiyang 550001, P.R China 3 College of Computer Sciences, Chongqing University of Arts and Sciences, Chongqing, 402160, P.R China a lidn121@hotmail.com, bmxq345@sohu.com Keywords: Security Mechanisms; Access Control Policies; LogicSQL Database Abstract.
Acknowledgment This work is supported by the Science and Technology Foundation of Guizhou Province (20112205) and the Science and Technology Research Project of Chongqing Municipal Education Commission (KJ111216) and the Natural Science Foundation Project of CQ CSTC (cstc2011jjA40011) and the Funds of Chongqing University of Arts and Sciences (Y2010JS56 and Y2010JS55).
In Foundations of Security Analysis and Design: Tutorial Lectures, Lecture Notes in Computer Science, vol. 2171, p. 137--193, 2001
Advanced Materials Research (AMR) Journal, 2010, 143(144): 672-676
Advanced Materials Research (AMR) Journal, 2010,143(144): 557-561.

Faglia: Advanced Materials Research Vol. 590 (2012), p. 405-410 [19] A.
Bartoli: Journal of Materials Engineering and Performance Vol. 23 (2014), p. 2545-2552 [24] G.D.
Faglia: Advanced Materials Research Vol. 590 (2012), p. 399-404 [30] F.
Faglia: Applied Mechanics and Materials Vol. 373-375 (2013), p. 130-133 [40] A.
Pellegrini: Advanced Materials Research Vol. 590 (2012), p. 252-257

Introduction The rare-earth iron giant magnetostrictive material is a new type of functional materials.
If an external force is applied onto magnetostrictive materials, the magnetic status of the materials will vary.
In order to prevent the magnetic leakage, soft magnetic materials are used as yoke.
Acknowledgements This work was financially supported by the Key Projects of National Science Foundation of China and Tianjin (51237005, 12JCDJ286000), the National Science Foundation of China (51177038) and the Natural Science Foundation of Hebei Province (E2012202103).
Oil and Gas Journal, Vol. 98, No. 21 (2000), pp. 77

In order to minimize the cost of the applied materials (equivalent to minimizing the wastes and losses of materials), if we consider ‘Z’ as the minimum production cost for the order, we will have: So that: For all non-negative ‘X’s, is held.
Also, other limitations in relation to original materials which should be exercised under different methods, will be added, if necessary.
[2] Azar Adel: Operations Research, Institute of modern science publishing, Tehran, Iran (2007)
[3] koltai Tamas, Tatay Viola : A practical approach to sensitivity analysis in linear programming under degeneracy for management decision making, International Journal of Production Economics.
[8] Singer Marcos, Donoso Patricio: Strategic decision-making at a steel manufacturer assisted by linear programming, International Journal of Production Economics, Vol. 59 (2005), P. 387-390

Therefore, seeking for other new raw materials is also becoming an urgent concern.
Experimental Section Materials.
The chemical compositions of the materials are shown in Table 1.
The chemical compositions of materials were checked by X-ray fluorescence.
Journal of Hazardous Materials, 2009, 168: 1105–1110

Shankar: Solar Energy Materials & Solar Cells Vol. 77(2003), p. 65 [2] T.Y.
Wang: Journal of Inorganic Materials (in chin.)
Zhou: Journal of Inorganic Materials (in chin.)
Maheahwar: Materials Chemistry and Physics Vol. 76 (2002), p. 82 [16] M.
Liu:Journal of Materials Science and Engineering (in chin.)

A New Palladium-Free Surface Activation Process for Cu Electroless Plating on ABS plastic Xu Wang College of Science, Lishui University, Lishui 323000, China E-mail:lsxywx@sina.com Keywords: Electroless plating; ABS resin material; electroless copper Abstract.
Laser direct-write metallization in thin palladium acetate films, Journal of Applied Physics 61(1987)1628-1632
Research on a new surface activation process for electroless plating on ABS plastic, Materials Letters 62(2008)1089-1091
Electroless copper metallisation of titanium nitride, Applied Surface Science 91(1995)124-128 [14] H.
Adhesion improvement of electroless copper to a polyimide film substrate by combining surface microroughening and imide ring cleavage, Journal of Adhesion Science and Technology 16(2002)1027-1040

Increasing with strain rate, brittle materials demonstrate an increase of fracture strength.
The model can simulate the process of dynamic fracture of solid materials.
Therefore, both failure strength and fragment size can be incorporated with microstructural characteristics of brittle materials and it requires a microtextural analysis from brittle materials.
Clifton, Response of materials under dynamic loading, International Journal of Solids and Structures 37(1-2)(2000), pp. 105-113
Kipp, Continuum modeling of explosive fracture in oil shale, International Journal of Rock Mechanics Mining Science Geomech.

In particular the availability of the English translation of the Standard for Small Punch Creep Test of the Japanese Society of Materials Science is eagerly awaited.
LO1203 "Regional Materials Science and Technology Centre - Feasibility Program" funded by Ministry of Education, Youth and Sports of the Czech Republic.
Journal of Nuclear Materials, 103&104, North-Holland Publishing Company, 1981, p. 1545-1550
Journal of Nuclear Materials, 150, North-Holland Publishing Company, 1987, p. 42-52
Materials and Design 95 (2016), p. 623-631

Preparation Methods of Copper-Steel Composite Wire WU Qingmei1,a, WANG Deqing2,b, GAO Yang3,c 1,2College of Materials Science and Engineering, Dalian Jiaotong University, Dalian 116028, China 3Fushi International (Dalian) Bimetallic Cable Co., Ltd, Dalian 116100, China acymbidiumm@163.com bwdq@djtu.edu.cn cgy65cn@163.com Keywords: copper clad steel wire; preparation methods; composite material Abstract: The domestic and foreign preparation methods of copper-steel composite wire are introduced in the paper, they are basically plating method, hot-dip plating method, continuous extrusion method, clad-welding method and hot extrusion welding method.
Materials Review, 2003, 17 (5): p. 65-68
Metal Journal, 2000, 36 (8): p. 828-832
Kunming university of science and technology journal, 2001, 26 (3): 101-105
Plastic engineering journal, 2003, 24 (4): 78-81