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These observations have put forward the idea of the structure of ISPs: it is assumed that each ISP consists of twenty elastically distorted tetrahedral macrocrystalline parts having fcc crystal structure and stacked with each other along the twin boundaries of {111}-type.
Kolesnikova, Application of disclination concept to solid structures, Progress in Materials Science. 54 (2009) 740-769
Marks, Experimental studies of small particle structures, Reports on Progress in Physics. 57 (1994) 603-649
[9] Xia Y., Lim B., Xiong Y., Skrabalak S.E., Shape-controlled synthesis of metals nanocrystals: simple chemistry meets complex physics?
Angevandte Chemistry. 48 (2009) 60-103

Influence of CO2 Molecules Adsorption on the Electronic Properties of Zigzag and Armchair ZnO Nanotubes Batoul Makiabadi1,a*, Mohammad Zakarianezhad2,b and Somaye Esfandiarpoor3,c 1Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran 2Department of Chemistry, Payame Noor University, Tehran, Iran 3Department of Chemistry, Faculty of Applied Chemistry, University of Semnan, Semnan, Iran abmakiabadi@ sirjantech.ac.ir& bmakiabadi@ yahoo.com (corresponding author), bm.zakarianejad@yahoo.com, cm.zakarianejad@pnu.ac.ir Keywords: Electronic properties, ZnONT, Sensor, RDG analysis, Physisorption Abstract.
Optimized structures of A and B complexes.
Optimized structures of (CO2)n=2-4/ZnONT complexes.
Two structures (monodentate and bidentate) were obtained as stable configurations.
Ciraci, First-principles study of zinc oxide honeycomb structures, Phys.

Triphosgene as a safe and environment-friendly carbonylation reagent for the preparation of 2-benzimidazolone 1,aWen-Bin Yi*, 2,bFang Luan, 2,bJian-Min Xiu, 2,bLv-Qi Jiang, 2,bChun Cai 1,2Chemical Engineering College, Nanjing University of Science & Technology, Nanjing 210094, China a,byiwb@njust.edu.cn Key Words: green chemistry; triphosgene; 2-benzimidazolone; o-phenylendiamine; phosgene.
As the most versatile equivalent of phosgene, BTC has a different structure and properties.

The structure and properties of NBR / Recycled Polytetrafluoroethylene(R-PTFE) composites Wenwen Chen1,a, Changlin Cao2,b, Yi Zhang1,c,Liren Xiao2,d, Qingrong Qian1,e*, Qinghua Chen1,f* 1College of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, China. 2 College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China.
The structure and properties of NBR and its composites coupled with different particle size of recycled polytetrafluoetylene（R-PTFE） are investigated.
In this paper, the recycled PTFE particle (R-PTFE) was added to NBR, and the effects of the different particle size of R-PTFE on the structure and properties of NBR / R-PTFE composites were investigated.
Dicumyl peroxide (DCP) was offered by Aladdin Chemistry Co.
Conclusion The structure and properties of NBR/R-PTFE composites are investigated.

A study on the chemistry of epitaxial Ti3SiC2 formation on 4H-SiC using Al-Ti annealing T.
Some experiments were performed on 1.3 µm of p-type 4H-SiC epitaxial layers, with doping concentration of 2´1019 at/cm-3, in order to allow determination of the Specific Contact Resistance (SCR) using the Transfer Length Method (TLM) structure.
As seen, the diffraction peaks unambiguously reveal the formation of the hexagonal Ti3SiC2 structure which is in epitaxial relation with the substrate.
The tested layer was laterally isolated by RIE etching of the SiC forming mesa structures.
I-V characteristics of the sample for different distances between the contact pads of the TLM structure.

Introduction Surface structure and chemistry of substrate are crucial for determining the growth characteristics of films.
After 4min etching, dent structures were formed along the diagonal direction of substrate and the terraces were formed after annealing in oxygen.
Riposan et al. [8] reported that the surface stress is very important to reform the terrace structure of (In, Ga)As/GaAs system.
Therefore, humidity is a crucial factor to prevent the deterioration of terrace structure of SrTiO3 (111).
However, (c) in case of substrate in dessicator with very low humidity, terrace structure can be observed after 30 days from annealing.

Such conditions can be summarised as uniform temperature and chemistry throughout the whole volume of liquid alloy, high shear rate and high intensity of turbulence during the solidification process.
The improved mechanical properties of rheo-diecast samples can be attributed to the fine and uniform microstructure, much reduced casting defects, such as pores and solidification shrinkage, refined and well dispersed oxide particles, and fine and divorced eutectic structure.
• The extensively sheared liquid in the semisolid slurry solidifies in the die forming very fine α-phase and a divorced eutectic structure, which are favourable to the property enhancement
Such conditions can be summarised as uniform temperature and chemistry throughout the whole volume of liquid alloy, high shear rate and high intensity of turbulence during the solidification process.

An Electrolyte Additive for Use in High-Voltage Lithium-ion Batteries Aifang Liu Institute of Metallurgical and applied Physical Chemistry, School of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China Email:liu.aifang@hotmail.com Keywords: high voltage electrolyte; additives; sulfone; lithium-ion batteries Abstract.
A new compound was successfully synthesized as an additive in electrolyte used for high-voltage lithium-ion batteries, owing to its unique structure with the sulfone group that can increase conductivity and broaden the electrochemical window of existing electrolyte.
All molecular structures and contour maps of the molecular orbital were drawn with and visualized by GaussView 3.0 for windows [18].

The various environmental corrosive effects are the key factor to reduce the durability of concrete structures.
Metal corrosion is a destruction process caused by chemistry and electrochemical effects on metal surface with the surrounding media.
But when structure is invaded by chloride ions, the passivation membrane will be destructed.
The material of the anode rods is the same as of the reinforcement of concrete structure.
Zhao: Durability of concrete structure[M].

In this paper, firstly we introduce the concept, composition and classification of nano-fluorocarbon-based magnetic fluids, then we discuss the properties, preparation and structure of perfluoro polyethers (PFPE); afterwards we analyze the NMR spectrum to infer the structure contained in the polymer in detail and systematically, further verify the functional group of PFPE.
According to different monomers and polymerization methods, we can obtain PFPE with 4 different molecular structures, namely K, Y, Z and D [6].
Conclusion From the analysis and speculation of NMR spectra above, we can conclude: in the polymer chain should contain or structure, or a mixture of both, or mixtures of these aggregate units, also the atomic composition is 2:2:1:1:1, meet the integral area ratio, and the peaks correspond to the peak on the C13 NMR spectrum.
Chemistry Industry Press, Beijing (1994), PP.125-127(in Chinese)