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Djebaili2 1 Plasma Laboratory - Faculty of Sciences - Department of Physics- University of Ouargla Algeria - E-mail: ilh_kriba@yahoo.fr 2 Laboratory of chemistry and environment chemistry L.C.C.E - University of Batna- Algeria Key words: Thermal projection process- Plasma spray - spray parameters- specific coating- numerical simulation Abstract.
The simulation of coating formation to estimate the process parameters is an important tool to develop new coating structures with defined properties.
Other key features of thermal spray deposits are their generally very fine grain structures and columnar orientation (Fig.5).

The structure of Petroleum chemical industrial building is a special kind of structure system.
Industrial equipment should be involved in the whole structure analysis, and how to operate equipment load at the structure correctly is an urgent problem to be solved. 1 Project condition Taiyuan, Shan xi Institute of Coal Chemistry Chinese Academy of Sciences ash agglomerating gasification plant built in suburb, used in chemical experiments, class C buildings.
Architecture structure form for concentrically x-braced steel frame structure, building layers in all seven, building height of 30m, construction area of 1090 square meters, using a single span structure.
Industrial building in the conceptual design of the structure [J].
[3] PKPM tall building structure calculation software guide [S].

Most structures have a light, almost translucent look, and some appear to be suspended in the air around them.
Such construction greatly strengthened the structure of mills, which enabled them to accommodate much bigger machines.
Early structures to employ concrete as the chief means of architectural expression (rather than for purely utilitarian structure) include Frank Lloyd Wright's Unity Temple, built in 1906 near Chicago, and Rudolf Steiner's Second Goetheanum, built from 1926 near Basel, Switzerland.
International Conference on Biology, Environment and Chemistry (ICBEC 2010).
International Conference on Biology, Environment and Chemistry (ICBEC 2010).

Doping is a common technique for adjusting the band structure of semiconductors, and thus the antibacterial properties can be improved [4].
Crystalline structure and phase purity of Ag/ZnTiO3 powder have been investigated using XRD.
(a) (b) Fig. 2 Effect of pH (a) and ethylene glycol volume (b) on crystal structure of Ag/ZnTiO3.
Aliouat, ZnTiO3 ceramic sintered at low temperature with glass phase addition for LTCC applications, Materials Chemistry and Physics 103 (2007) 106-111
Kang, Synthesis and characterization of ZnTiO3 and Ag doped ZnTiO3 perovskite nanoparticles and their enhanced photocatalytic and antibacterial activity, Journal of Solid State Chemistry 281 (2020) 121019

Introduction Metal carbonate minerals are of fundamental interest and technological importance due to their broad application in biomaterials chemistry, especially those with complex and fine morphology and structure [1-4].
Calcium carbonate as one of the standard model systems has been studied in detail, and much progress has been made toward determining the hierarchical structures of calcium carbonate minerals as well as establishing structure-function relationships [5-11].
SrCO3 microstructures with morphologies of flower-like, cauliflower-like and finger-like structures have been obtained.
Thus, the cauliflower-like aggregate exhibits typical hierarchical structure.
According to above results, we suggest that there is a certain interaction between SDS and Tween20 in aqueous solution, which plays a significant role in the formation of flower-like and cauliflower-like structures.

Alkali halide matrix materials used as light-emitting light with a high yield and excellent afterglow characteristics, but the structure of ionic bond energy is small, relatively low thermal stability limited it in practical application.
The late of preparation, the treatment to grinding of hard agglomerates phosphor may destroy the crystal structure, thereby seriously affecting their luminescence properties.
The two tetrahedral connected through a bridge oxygen to form the structure, due to chlorine at low temperatures stable, low oxygen consumption, so Si and O can be fully exposed reaction to form [SiO4]4- tetrahedron.
As the calcinations temperature further increase, the continued holding time extension, the structure [Si2O7]6- changes under oxidation, and the formation of [SiO4]4- can be seen from the XRD diagram.
Shi: Chemistry, Vol.68 (6) (2005), p. 417 In Chinese [8] M.

Hence, we could control the photoluminescent properties of the phosphors doped with Eu2+, by adjusting their sub-lattice structure around Eu2+.
Another approach is to co-dope some cations or anions to change the sub-lattice structure of host compound.
Firstly, the introduction of Zn2+ will influence their sub-lattice structure around the luminescent center ion.
The structure of these phosphors was recorded by X-ray powder diffraction (XRD) using Cu Kα radiation on a RIGAKU D/max 2200 vpc X-Ray Diffractometer.
The host lattice Sr3Al2O5Cl2 has an orthorhombic structure with space group P212121, and its lattice parameters are a = b = c = 0.9422 nm.

The relative rates of hydrolysis and polycondensation strongly affected the structure and properties of metal oxides.
By varying these process parameters, materials with different surface chemistry and microstructure can be obtained.
It was observed that pH plays an important role towards the formation of TiO2 structure.
Lower acidity promotes anatase structure while higher acidity results in rutile phase.
Livage, in Aqueous Chemistry of Metal Cations, Hydrolysis, Condensation, and Complexation, ed.R.

The unit cell structure can be established by the experimental data [7], as in Fig. 1.
Inorganic Chemistry, 1966, 5, 2067-2069
Atomistic Simulation of Anistropic Crystal Structures at Nanoscale[M].
Journal of Physics and Chemistry of Solids, 2017, 101, 74-89
Realization of mechanical properties prediction from nano- to macro- scale structure: an achievement of C-S-H hydrated phases.

Amorphous structure is caused by irregular carbon structure in the 3-dimensional plane of biomass material [29].
Efficient Dye Removal and Separation Based on Graphene Oxide Nanomaterials, New Journal of Chemistry. 44 (2020) 4519–4528
Preparation and Optimization of Novel Graphene Oxide and Adsorption Isotherm Study of Methylene Blue, Arabian Journal of Chemistry. 14 (2021) 103003
New Route to Synthesize of Graphene Nano Sheets, Oriental Journal of Chemistry. 34 (2018) 182–187
Pengaruh Waktu Tlnggal Grafitisasi Terhadap Daya Hantar Panas Grafit, Journal of Chemistry. (2010) 43–52