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The X-ray diffraction results indicate that the powders (0.0≤x≤0.8) can be indexed as the rhombohedral phase, whereas the sample with x=1.0 has an orthorhombic phase structure.
XRD experiments were carried out to determine the structure of the powder samples, and the results are shown in Figs. 2.
Most peaks in this pattern can be indexed according to JCPDS 15-0861 for Sb2Se3 orthorhombic structure (Pbnm D162h) with three small peaks of Bi2Se3 as (009), (018), and (0012).
The alloying of Se in Bi0.4Sb1.6Te3 changed the crystal structure from rhombohedral (0.0≤x≤0.8) to orthorhombic (x=1.0).
Hogan: Chemistry, Physics and Materials Science of Thermoelectric Materials (Plenum, New York 2003)

Jurkov, Magnetic nanoparticles: preparation methods, structure and properties, Russian Chemical Reviews, 6 (2005) 539-574
Bondarenko, Mechanism of the formation of the multilayer structure of the magnetic fluid in the sheath region, PhD.
Ridler, Structure in magneto-rheological fluids: a theoretical analysis, Journal of Physics D: Appl.
Krakow, Magnetic fluid, Moscow, Chemistry, 1989
Ryzhkov, Hydrodynamics and Mass Transferof Liquid-Solid Bodies in Dispersed Systems, Leningrad, Chemistry, 1987.

Structure and morphological characterization.
This structure might increase hardness properties of PMMA.
Technical University of Lodz Department of Chemistry Industry of Polymer & Dye Technology. (2011)
Chemistry of silanes interfaces in dental polymers and composite.
Chitin and chitosan: chemistry, properties and applications, J.

Soldatenkov2 1Laboratory of Nanodiagnostics and Nanolithography, A.V.Rzhanov Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia 2Laboratory of Optical materials and Structures, A.V.Rzhanov Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia 3Laboratory of Crystal Chemistry, Nikolaev Institute of Inorganic Chemistry, SB RAS, Novosibirsk 630090, Russia aemail:gavr@isp.nsc.ru Keywords: a-Gd2(MoO4)3, synthesis, XRD, SEM Abstract. a-Gd2(MoO4)3, space group C2/c, molybdate has been prepared by chemical precipitation in water-based solution at 24°C and subsequent calcination at 800°C followed by slow cooling.
The model structure of a-Eu2(MoO4)3 is shown in Fig. 3 [8,23].
Crystal structure of a-Eu2(MoO4)3.
Kesler, Electronic structure of layered titanate Nd2Ti2O7, Surf.
Kang, Balls&Sticks: easy-to-use structure visualization and animation program, J.

Titanium and its alloys are widely used in the fields of chemistry, aerospace, biomedicine, automobile manufacturing, ship industry, and so on, due to the properties of light weight, high strength, high thermal stability and corrosion resistance.
The characteristics of structures and properties of the coatings are introduced.
Vacuum plasma sprayed titanium oxide coatings possess a porous structure with micro pores and nanosized grains [6].
The air plasma sprayed TiO2 coating possessed a porous structure with both joined and isolated small pores, which show that the TiO2 coating has good resistance to corrosion [7].
After recovery treatment below 300 °C, a nano-crystalline structure was formed in the surface.

Depending on the chemistry, this might cause the redissolution of the pre-formed precipitate bands, whereas at the bottom of the tube precipitate bands persist much longer.
The transition is accompanied by a polymorphic change in the nickel hydroxide crystalline structure concomitant with a submicron polymorphic change.
The chemical structures of the products were characterized by FTIR spectroscopy using the KBr pellet technique in the range of 400-4000 cm-1.
The peaks appearing at low frequency (496 and 641 cm-1) are assigned to the bending vibration mode of the free Ni-OH groups in the brucite-like structure.
On the other hand, Ni(OH)2 in the bands looks like an assembly of flat hexagonal plate like structures that are clearly larger than the spheres in the pulse.

The hemicellulose had a more elongated shape with a clear branched structure in high resolution images.
Furthermore, the hemicellulose formed ordered multiple helical structure.
On the other hand, the helical structure could play the role of preventing coalescence of the formed silver nanoparticles to bigger particles.
The synthesis routine adopted accorded green chemistry, that only water was used as solvent.
Furthermore, the helical structure of hemicelluloses prevents aggregation of the formed silver nanopartiles to bigger particles.

Fatigue analysis for CNG storage gas pressure vessel based on ANSYS Zhang Yaxin1, a , Du Junge 2, b , Shi Chuanmei 3, c 1 Dept.of Mechanical Engineering, Xinjiang University, Urumqi, China, 830008 2 Dept.of Chemistry and Chemical Engineering, Xinjiang University, Urumqi, China, 830008 3 Dept.of Chemistry and Chemical Engineering, Xinjiang University, Urumqi, China, 830008 a email:zhangyaxin313@163.com, b email:gz121130@sina.com, cemail: sgive@163.com Keywords: Compress Natural Gas, fatigue destruction, stress analysis, fatigue analysis, S-N curve, ANSYS Abstract.
Structure fatigue destruction first produces cracks in the partial region, where is generally on the accessory and component surface, or the defective area in the accessory interior, namely the highest stress region.
Figure 2 The finite element model of 1/4 specimen geometry Figure 3 Von Mises Stress distribution Fatigue analysis for CNG storage gas pressure vessel based on ANSYS The fatigue analysis is usually carried on after completing the structure static analysis.
Sa1 operated n1, the damage degree to structures is n1/ N1, the damage degree other stress range created are n2/ N2, n3 /N3 and so on.
ANSYS8.0 structure analysis and example analysis[M].Beijing: Mechanical Industry Press,2005

Crystallite can be considered a number of cells with crystalline structure that are systematically linked and are creating coherently diffracting domain.
It is a part of matter with continuous regular structure.
Lower temperature of MgCO3 decomposition means vacant space in structure caused by escaped CO2.
For better understanding of this fact it is necessary to analyse and compare samples of the same structure and content of MgCO3 as is sample C.
Lime and limestone: chemistry and technology.

Introduction Search for methods for intensification of thermochemical conversion of solid fuels - one of the high priority directions of development of modern charcoal chemistry.
In particular, the substitution of hydrogen in aromatic structures of the side radicals is characterized by absorption bands in the frequency range 740 - 860 cm-1.
It can be concluded that the C-C bonds are broken in aliphatic structures.
Polubentsev, AV Proydakov AG, Kuznetsova LA Intensification of the liquefaction of lignite and coal by mechanical impact: Chemistry for Sustainable Development. (1999). № 7.
[4] Kairbekov JK, Kutyukov GG, et al Ismagulov M.U Investigation of the structure of some coal in Kazakhstan by IR spectroscopy / / Proceedings of the Almaty School of Engineering. - Almaty. 1998. № 2.