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Micro-arc was induced by terminal voltage between cathode and anode, a series of chemical, electrochemical and plasma chemistry reactions happened.
However, effects of alloying elements on structure and properties of ceramic coatings were rarely studied[5].
Since dielectric breakdown was always happened at weak district, the molten alumina deposited and covered original coatings, the coatings became thicken and presented structure of lamellar.
Effects of fluoride on the structure properties of micro arc pxidation coatings on aluminium alloy [J].Journal of alloys and compounds. 505(2010)188-193
Micro-structure and Phase Composition of Microarc Oxidation Surface Layers Formed on Aluminum and Its Alloys 2214-T6 and 7050-T74[J].

The results of magnetic studies and Mössbauer investigations made with 119Sn source are reviewed for the series of RERhSn (RE = Tb, Dy and Ho) compounds crystallizing in the same hexagonal ZrNiAl-type of structure.
These stannides belong to the reach family of RTX intermetallics, which present variety of crystal and magnetic structures [1].
Experimental The polycrystalline RERhSn samples have been prepared as described previously [6] and their crystal structures were determined from powder diffractograms.
Experimental results and discussion X-ray diffraction analysis showed that all compounds under study crystallize with the ZrNiAl-type structure, space group P2m [7-9].
Leciejewicz: Handbook of Crystal Structures and Magnetic Properties of Rare Earth Intermetallics (CRC Press Boca Raton, FL, 1994) [2] A.

It is demonstrated that high-porosity ceramic materials inheriting initial structure of the porous space of reactive systems can be fabricated in the filtrational mode of combustion synthesis.
The initial structure of the foamed sample is completely inherited during synthesis.
The transport channels of pore structures are formed by gas bubbles merged during slurry foaming.
Filtrational combustion of these reactive systems in the nitrogen atmosphere led to synthesis of materials retaining their initial pore structure (figure 2, part d).
Schwarz, Novel group 14 nitrides, Coordination Chemistry Reviews 248 (2004) 493–53

Introductions With the rapid development of science and technology, optical industry, photographic chemistry, aerospace, semiconductor and microelectronic industries have already entered a precision, even an ultra precision era.
It is obvious that shear wall greatly improves structure’s stiffness.
Shear walls can significantly increase the stiffness of a structure. 2.
In the design of a workshop structure, its stiffness should be reasonably controlled. 3.
Active isolation of a flexible structure from base vibration [J].Journal of sound and vibration 2003,263: 357-376

The initial structures without symmetry were considered.
Results and discussion Structures Fig. 1.Structures of Au3 and Au2M (M=Ag, Cu, Pd, Pt) clusters.
As shown in Fig.1, Au3 cluster does not show as equilateral triangular structures.
Then we can also find that the introduction of M atom makes the corresponding structures change.
The structures were found to be changed slightly.

For a 1D PhC the spectral position of the PBG(s) can be approximated by the average refractive index of the structure and its periodicity [3], in the visible range the presence of such a PBG is seen as the color of the structure.
Butterflies, beetles, birds [3,5,6] or even plants [7] have these kind of structures (nanoarchitectures).
The wings of butterflies are very complex structures on both the microscopic and macroscopic length scale.
The scales, that cover the wings, also contain fine structures down to the nanometer scale.
Ogawa: Chemistry of Materials Vol. 21 (2009), p. 33-40 [9] L.P.

For bulk samples, bacterial community structure changed when exposed to elevated CO2 in three months.
Moreover, the amount[2], the composition, and the chemistry structure of root exudations may alter due to effects of CO2 enrichment on plant physiology.
To date, there were few studies addressing the microbial community structure.
Besides, various molecule approaches were also used to detect changes in the microbial community structure.
Given that the concentration of CO2 in soil is 10-50 times higher than in the atmosphere[20], a direct response of bacterial community structure to elevated atmospheric CO2 in terms of bacterial community structure was unlikely[16].

At 25 wt% PPy concentration, a small and broad peak was observed at 24° due to the amorphous structure of the PPy due to the scattering of PPy from all over chains based on its amorphous structure [35, 36].
Ko, Electrospun nanofibrous structure: a novel scaffold for tissue engineering, Journal of biomedical materials research, 60 (2002) 613-621
Kaneto, TFSI-doped polypyrrole actuator with 26% strain, Journal of Materials Chemistry, 14 (2004) 1516-1517
Wallace, Carbon nanotube and polyaniline composite actuators*, Smart Materials and Structures, 12(2003) 626
Guo, Polypyrrole/silicon carbide nanocomposites with tunable electrical conductivity, The Journal of Physical Chemistry C, 114 (2010): 3874-3882

Comparative Study on the Composites with Chopped Different Parts of Rice Straw as Raw Materials Chuanbao Wu1,a and Jianmei Yin1,b 1 College of Chemistry and environmental engineering, Jiujiang University, Qianjin Eath Road No.551, Jiujiang city, Jiangxi Province, People’s Republic of China awucbao@163.com, b wodexp2000@163.com Keywords: Composite, Material, Hot-pressing, Rice straw.
These differences were related to morphology and structure of upper-part rice straw and lower-part rice straw.
Different parts of plant have different morphology, structure and function.

Interfacial Microstructure Evolution of Copper/Aluminium Laminates with Different Annealing Processes Yinghui Zhang1, a, Jing Qin1,b , Hongjin Zhao1,c , and Gaolei Xu1,d 1School of Material and Chemistry Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi, 341000, China azyh0727@sohu.com, bqinjing301@hotmail.com, czhj_zyh@sohu.com, d53743065china@163.com Keywords: Copper/aluminium Laminates, Annealing Process, Interface, Microstructure Evolution.
Along with the increasing of annealing temperature and extension of annealing time (280ºC×2h), Cu and Al interdiffused with different speeds in the interface, oversaturation solid solution formed around structure defects, and the nucleation of new phases formed where Cu and Al inserted mutually.