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Owing to VR, students are able to interact with a 3D model of micro-particles and conduct inquiry-based experiments in junior high school chemistry classes in Shenzhen, China[5].
There are many variations of Storage Cavern, here we select a typical one with all the basic pieces of hardware: - Main Structure refers to the body of the Storage Cavern, including objects like windows, climbing ladders and so on
With 3Ds Max, we optimize the structure model by Sketch Up, build the 3D models of the facilities and equipment, render the models with material, color and textures, and then export to Virtools 5 with the export plug-in unit of Virtools.
Fig. 1 Structure of the virtual Storage Cavern System 3.1.The self-learning part In this part, students can navigate in the virtual Storage Cavern model and select any part which they are interested in, and then didactic texts and graphs will occur.
[5] Su Cai, Xu Wang and Feng-Kuang Chiang: A case study of Argumented Reality simulation system application in a chemistry course, Computers in Human Behavior 37 (2014) 31-40

The role of network modifier such as Na2O in the B2O3 network is to modify the host structure which transform borate network from BO3 to BO4 [4] and also reduce the melting point, thereby decreasing the structural defects [5,6].
Table 1 The compositions of glasses (wt%) Glass Type Compositions (wt%) SiO2 B2O3 P2O5 Na2CO3 30B 40 30 5 25 35B 35 35 5 25 40B 30 40 5 25 45B 25 45 5 25 50B 20 50 5 25 55B 15 55 5 25 Analysis of Glass Structures and Glass Properties.
Da, A review on controlled release advanced glassy fertilizer, Global Journal of Science Frontier Research B Chemistry, 14 (2014) 1-13
Newport, The effect of composition on the structure of sodium borophosphate glasses, Journal of Non-Crystalline Solids, 354 (31) (2008) 3671-3677
Scherer, Sol–Gel Science, The physics and chemistry of sol–gel processing, Sol-Gel Science, Academic Press, New York, (1990) 304.

Preparation of TiO2 Coatings on Carbon Fibers Rida Gallyamova1,a*, Rustam Safiullin1,b, Vladimir Dokichev1,c and Fanil Musin1,d 1Ufa Institute of Chemistry UFRC of the RAS, Ufa, Pr.
The coating structure.
Fig. 3 shows the impact of heat treatment modes on the carbon fiber TiO2 coating structure.
At temperatures above 600 °C, the burnout rate increases, which is associated with a deterioration in the coating and fiber structures.
Acknowledgments This work was performed on the subject №АААА-А17-1170011910021-8 of the state assignment of the Ufa Institute of Chemistry Russian Academy of Sciences.

Problem Formulation In the case of using ZnO as an indicator material for semiconductor chemistry, the structure and morphology of its particles are extremely important.
Various measures are used to improve the sensitivity: reducing particle size, varying the structure, modifying the surface, doping and creating composites based on zinc oxide.
The use of single-crystal ZnO nanoparticles of different morphologies with less crystal defects and a larger specific surface area is promising, and in the case of filamentous structures, a larger surface / volume ratio.
Highly refined crystal structures of ZnO can be synthesized using molecular beam epitaxy, molecular beam epitaxy using plasma, deposition from the gas phase by thermal, laser or magnetron sputtering, as a result of hydrothermal synthesis.
Analytical Chemistry. 38(8) (1966) 1502-1503

LiAl0.1Mn1.9O4 prepared by a solution combustion synthesis using acetate as raw materials and acetic acid as fuel: effect of further calcination time Guiyang Liu1, a, Junming Guo2, LiliZhang1, Wang Jing1, Baosen Wang1, Ying He1 1College of Science, Honghe University, Mengzi Yunnan, China 661100 2Key Laboratory of Ethnic Medicine Resource Chemistry，State Ethnic Affairs Commission & Ministry of Education，Yunnan University of Nationalities, Kunming Yunnan, China 650031 aliuguiyang@tsinghua.org.cn Keywords: solution combustion synthesis, spinel, Al doping, lithium ion batteries, cathode materials.
The possible reasons responsible for the quick fading of capacity are generally believed to originate from the Jahn-Teller distortion of the cubic spinel structure of LiMn2O4 during discharging with increasing Mn3+ in the structure, the gradually dissolution of Mn3+ to electrolyte via disproportionation reaction and the decomposition of organic solvent at higher potentials [4].
It is well known that LiMn2O4 takes the face-centered cubic framework of spinel structure with Fd3m space group, in which the Li+ ions occupy the tetrahedral 8a sites, while the Mn3+, Mn4+ (and the doping Al3+) ions reside at the octahedral 16d sites, and the O2− ions are located at the 32e sites.
The improved cyclic stability of the Al-doped spinel should be attributed mainly to the suppression of Jahn-Teller distortion of the cubic spinel with a decreased Mn3+ in the structure.
Acknowledgements The present work was supported by the National Natural Science Foundation of China (No.51062018) and by the Key Subject of Materials Physics and Chemistry of Honghe University.

In the case of MLCCs, the insulation resistance degradation is strongly correlated with the microstructure and interfacial chemistry.
However, detailed structure-property related with various firing and re-oxidation conditions on electrical properties are limited.
To compliment the impedance modeling, we also conduct other important measurements, including TEM and EELS for evaluating the structure-property relations under re-oxidation.
The dielectric grains were found to be of a core-shell structure covered with a very thin shell.
Some difference is to be expected, due to the more complex chemistry and microstructure in this MLCC.

As a result of the Jahn-Teller distortion the energy degeneration is eliminated, diminishing the energy of the formed complex structure.
Such location is typical for composite structure of ordered materials [15].
Wilkinson, Avanced Inorganic Chemistry, Wiley–Interscience, New York, 1988
Keiter, Inorganic Chemistry: Principles of Structure and Reactivity, fourth ed., Harper Collins College Publishers, New York, 1993
Investigation of composite structure of magnetically ordered material–semiconductor composite based on cobalt and porous silicon. – Technical Physics Letters, Vol. 37, No. 7 (2011) 664 – 666

The WOT tube and OT tube of the high temperature superheater were detected by visual macro inspection, their microscopic structures were analyzed by electron microscopy and their elemental compositions were detected by EDS.
Oxide skin has typical spinel-dense structure, it has a good protective properties.
In OT’s conditions, oxide skin’s structure characteristics were: its structure was high porosity, crack layer, easy flaking because of the peroxide and evaporation of alloy elements.
Cycle chemistry guidelines for fossil plants: Phosphate continuum and caustic treatment [M].
Research and application of the water supply weak oxidizing treatment of WOT[J]. 2009 Power Plant Chemistry Annual Meeting, WU Han, 2009.10(In Chinese) [7] Henan Electric Power Research Institute.

Structure and Mechanical Properties of Impregnated Diamond Cutting Tools using Cu-based Metal Matrix Heng-tao Zhang1, Chang-jiang Xiao2, Ling-yan Zhu, Zheng-xin Li Department of Materials Science and Engineering, Henan University of Technology, Zhengzhou, 450001, China 1zhanghengtao_@126.com, 2 cjxiao@haut.edu.cn Keywords: Cu-based metal matrix, Ti coated diamond, Structure, Mechanical properties Abstract.
Structures of specimens sintered at different temperatures were studied by XRD.
This paper is devoted to study of the mechanical properties and structure of the Cu–Fe–Ni–Sn-Ti system (without cobalt addition) as bonding metallic matrix for use in impregnated diamond cutting tools.
(1) Results and Discussions Structure.
Lin: Materials Chemistry and Physics, Vol. 72 (2001) No.2, p.121

The structure and properties of the material are analyzed by SEM, EDAX, XRD and FTIR.
Result shows that the main absorption band characteristics of them are nearly the same, this suggests that the main structure of the two is roughly the same.
The chemical structures of the enamel glaze and the enamel coating by FTIR The crystallization structure analysis of the porcelain enamel glaze and the porcelain enamel coating by XRD is shown in Figure 3.
This may indicate that the structure of enamel is made of a mixture of non-crystalline phase and crystalline clusters.
Cochrane, Ananalysis of the microstructure and interfacial chemistry of steel-enamel interface, Thin Solid Films, 443(2003)33-45.