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Park: Journal of Alloys and Compounds Vol. 534 (2012), p. 70. ].
Journal of Magnetism and Magnetic Materials Vols. 358–359 (2014), p. 149. ].
Zhang: Materials Science and Engineering B Vol. 176 (7) (2011), p. 616. ] and polymeric precursors method [[] C.
Silva Júnior: Materials Research Vol. 8 (2) (2005), p. 221. ].
Ferreira: Advanced Materials Research Vol. 975 (2014), p. 36. ].

Bilayer Graphene Optical Modulator Based on Metal-Nanoribbon Integrated Hybrid Plasmonic Waveguide Yijing Xu1,a, Canran Zhang1,b, Qilong Wang1,c 1Joint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China a230228397@seu.edu.cn, bcanranzhang@seu.edu.cn, cnorthrockwql@seu.edu.cn Keywords: optoelectronics, graphene, modulator, plasmonic waveguide.
In order to overcome these shortcomings, researchers considered introducing materials with strong electro-optic (electro-refractive or electro-absorptive) effects, such as germanium (Ge) materials, ferroelectric materials, organic electro-optic materials, III-V semiconductors materials, and 2D materials [7, 8].
To avoid graphene chemical doping by other materials, the Al2O3 layer with a relative permittivity (ɛAl2O3) of 3.04 and a thickness of 5 nm is chosen as the insulator layer placed between the bottom graphene layer and the Si waveguide [12].
The graphene layer can be regarded as a two-dimensional homogeneous anisotropic material and modeled as a surface conductive layer with no thickness.
12 40 [10] Wu X, Cao Z, Zhao T, Wu Y, Li Z, Doukas S, Lidorikis E, Xue Y, Liu L, Ghaebi O, Soavi G, Lu J, Ni Z and Wang J 2024 Nanoscale Horizons [11] Zhang H, Ma Z, Cai L and Zhang L 2024 Optics Letters 49 1337 [12] Liu M, Yin X, Ulin-Avila E, Geng B, Zentgraf T, Ju L, Wang F and Zhang X 2011 Nature 474 64 [13] Hanson G W 2008 Journal of Applied Physics 104 [14] Park H-Y, Jung W-S, Kang D-H, Jeon J, Yoo G, Park Y, Lee J, Jang Y H, Lee J, Park S, Yu H-Y, Shin B, Lee S and Park J-H 2016 Advanced Materials 28 864 [15] Shiramin L A and Van Thourhout D 2017 Ieee Journal of Selected Topics in Quantum Electronics 23

Introduction Carbon fiber concrete is a kind of material which combines advanced reinforced material with traditional building material.
On the one hand it maintains excellent compressive strength of cement materials, on the other hand the bending strength and fracture toughness, to a certain extent, has also been improved.
However, concrete is the brittle material.
Fatigue Fracture Performance and Engineering Applications of Steel Fiber Reinforced Concrete[M].Beijing: Science Press.2003,3-20
[5] Wang Shu-sen,Cheng Yong-chun,Liu Han-bing,Li Chun-liang.Accurate method for measuring bonding strength of interface between carbon fiber and concrete [J].Journal of Jilin University.2006,Vol.36

The abnormality of the carbon content could be caused by chemical medium of the pressure vessel in service and a few polluter materials in the experimental process.
Acknowledgement The research work was supported by the National Nature Science Foundation of China (NSFC) (50428504).
Nam: Journal of Nuclear Materials Vol. 322 (2003), p. 91 [3] K.S.
Wang, East China University of Science and Technology Press, Shanghai,China(2006) [6] R.B.
Ashok: Failure Analysis of Engineering Materials.

Mokin, From Hartsovka - to modified dry mixtures, Construction materials. 3 (1999) 34-36
Zozulya, Dry mortars (composition, properties), RIF "Building Materials", Moscow, 2010
Orlova, Tiled dry adhesives and systems, Construction materials. 7 (8) (1999) 14-16
Dilger, Dispersion polymer powders - behavioral peculiarities in dry mortars, Construction materials. 3 (1999) 10-13
[15] The use of modifiers to control the modulus of elasticity of concrete, New scientific directions of building materials science: Academic readings of the RAACS, Belgorod. 2 (2005) 51-57

Research on Derivative Nature of Emergencies in Beijing ZHAO Fang1,LIU Yanjun1,ZHAO Junchao1,DONG Xiaoqing1 1Beijing Municipal Institute of Science and Technology Information China Beijing Cxq00250411@163.com Keywords: Emergencies, Derivative Nature, Incentives, Scientific Research, Ideology Abstract.
In the light of reference to social background materials related, the reason is the predominant members of  Beijing government attended the security meeting, which was hosted by the Beijing Office of Emergency Response, to maintain order in NPC &CPPCC.1 Government attaching importance to emergencies strengthened interference in the field.
[5] Shi Wenjing, The Direction Mechanism of Public Opinions under Multimedia Coexistence, Journal of Henan University,2012(1):113-117
[6] Xia Wenrong, The Analysis of the Guidance of Public Opinion in Sudden Public Events, Journal of Radio & TV University,2009(2):77-80
[7] Liu Jie, Globalization and Cultural Ideology, Journal of Liaoning Normal University,2003(2)：4-6

Systems of interest include the study of host-guest interactions in gas loaded framework and porous materials [1], particularly for developing materials for gas storage and CO2 sequestration technologies, and the study of catalysts under working conditions.
Understanding the phase behaviour, kinetics, and stability of these compounds is key to developing hydrogen storage materials for automotive applications.
The gas supply system and sample cell described here add significantly to the beamline capabilities providing a facility for in-situ studies of complex materials under gas pressures.
References [1] Davis, M.E., Ordered porous materials for emerging applications.
Zuttel, Hydrogen-storage materials for mobile applications.

It involves reactions of mineral additives or pozzolanic materials in addition to the hydration of Portland cement.
Table 1 Chemical composition of used raw materials (wt%) SiO2 A12O3 Fe2O3 CaO MgO Na2O K2O Na2Oeq SO3 LOI Cement 22.80 4.55 2.82 65.34 2.74 - - 0.55 2.92 3.9 Slag 34.63 13.92 029 38.28 10.52 - - - 0.25 0.25 The ground quartz sand reached the slag fineness as contrast materials, which does not react with Portland cement.
Acknowledgments The authors thank the support of Fijian province Science Fund (2008J0171) and Fijian province young nature science Fund (2007F3014) References [1] W.
Foliar: Heat of hydration models for cementations materials, ACI Materials Journal 102 (1) (2005) 24–33
Iuka: Effects of components on threat of heat liberation of the hydration in the system of glass/gypsum/lime, Journal of European Ceramic Society 26 (2006) 771–776.

[3] M.F. de Campos and J.A. de Castro: Materials Science Forum Vols. 660-661 (2010), p. 279
Chen: Journal of Magnetism and Magnetic Materials Vol. 239 (2002), p. 418
Graham Jr: Introduction to Magnetic Materials.
Missell: Journal of Physics, Conference Series Vol. 303 (2011), p. 012049
[13] M.F. de Campos: Materials Science Forum.

Considering the representativeness and universality of the spraying material, the T12 high-carbon steel wire was selected as spraying material.
The description below is about test environment and material.
Liu: Journal of Materials Characterization Vol. 46(2001), p. 99 [2] L.W.
Valiulis: Journal of Materials Processing Technology Vol. 175 (2006), p. 206 [7] A.
Evans: Materials Science and Engineering Vol.