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It saves the corresponding shape in the image and removes extraneous structure with the structuring elements to achieve the target recognition.
Set is input image andis structuring elements, which is the coordinate point of the image,is the gray value of the point,is the structuring function of the point.
,represent dilate and erode with structuring element .
Jónsson, in: Theoretical Methods in Condencsed Phase Chemistry, edited by S.D.
Schwartz, volume 5 of Progress in Theoretical Chemistry and Physics, chapter, 10, Kluwer Academic Publishers (2000)

The as-prepared particles were inspected by JSM-6360LV scanning electron microscopy (SEM, Japan), crystal structure was determined by D/max 2400 X-ray diffraction (XRD, Japan Science) with pipe pressure 40KV and scan angle range of 15º~80º. 3.
Moreover, the interaction between SDBS and PVP molecular chain would generate bound-micelles [14], which were more stable than micelles in solution formed by SDBS alone, and these bound-micelles might induct the structure trend of the particles to determine the final particle morphology because of their specific spatial structures.
The soft clusters structures associated by different SDBS concentrations and PVP macromolecules had slight differences, and C1 and C2 were bound concentration to form the surfactant bound-micelles.
Chemistry Online. 10 (2005), p. 723 [6] Sengupta S, Eavarone D, Capila I, et al.
Modern Chemistry Industry. 25 (2005), p. 286

The small angle XRD studies confirmed a long range ordered structure in the Cu-Ni/MCM-41 catalysts.
The sharp gradient of this step is attributed to the narrow pore size distribution in the mesoporous structure.
However, at 15 wt% metal loading, a small shoulder peak could be observed, implying that some degree of ordered structure was still present at that high metal loading.
James King (Chemistry Department) for his support in the experimental work of this project.
References [1] Shriver & Atkins, Inorganic Chemistry, fourth ed., W.

The structures of many natural ingredients contain the groups absorbed ultraviolet or visible light, or these groups react with the some reagent and ions to change their structures so that make characteristic spectra.
Kan: Food Chemistry.
O’Keefe: Food Chemistry(2012), 131:927-939
Gruppen: Food Chemistry(2009), 117(4):713-720
Hemingway: Journal of Agricultural and Food Chemistry(1986), 34(6):966-970

This also illustrates that interatomic potential of former local order structure affects the temperature of structure transition.
Structure and Dynamical Properties of Liquid In2Te3 [J].
Halm, W.Hoyer, Structure of Molten Copper–germanium alloys[J]. 
Physics &Chemistry of Liquids, 2006，8 ， 401-408 [11] F.Q.
Electrical resistivity and thermoecectric power studies on Zn-substituted Li-Mg ferrites[J].Materials Chemistry and Physics,2005,93:548-551

The analysis of the melted marks 3.1 The analysis of the copper lines The typical structure of the melted marks could be seen in figure2，there were three layers in the metallographic photo, which were marked area 1, 2, 3 respectively.
The equiax crystals were seen in area 1, which were similar to the matrix structure of the copper conductor except the slightly grown crystalline grains those were resulted by the transference of high temperature of the fault arcing.
As a result, it showed that the multi-layer structure of the melted marks on copper conductors could be formed, which included the heat-affected layer, the former solidified layer and the ended solidified layer.
Jónsson, in: Theoretical Methods in Condencsed Phase Chemistry, edited by S.D.
Schwartz, volume 5 of Progress in Theoretical Chemistry and Physics, chapter, 10, Kluwer Academic Publishers (2000)

Based on the analysis of the local atomic structure, the liquid-structure contribution to the solid solution in Au50Cu50 alloy has been uncovered.
The structure of the alloy melt is found to be relative stable.
Meanwhile the local structure around Cu atoms rearranges.
Journal of Physical Chemistry C 2015, 119, (14), 7922-7932
Chemistry – A European Journal 2010, 16, (32), 9789-9795

Dhouib, Olive leaf extract as a green corrosion inhibitor of reinforced concrete contaminated with seawater, Arabian Journal of Chemistry, 13(3) (2020) 4846-4856
Kadhim, Experimental and theoretical assessments of the chamomile flower extract as a green corrosion inhibitor for aluminum in artificial seawater, Results in Chemistry, 6 (2023) 101035
Abdullatef, Optimization of mild steel corrosion inhibition by water hyacinth and common reed extracts in acid media using factorial experimental design, Green Chemistry Letters and Reviews, 15(1) (2022) 216-232
Abdullatef, Optimization of mild steel corrosion inhibition by water hyacinth and common reed extracts in acid media using factorial experimental design, Green Chemistry Letters and Reviews, 15(1) (2022) 216-232
Phoebe, Thermodynamic and adsorption study of the corrosion inhibition of mild steel by Aframomum chrysanthum extract in 0.1M hydrochloric acid solution, Asian Journal of Applied Chemistry Research, (2021) 64-73

The band structure, bulk modulus, and density of states were calculated.
Fig.1 Band structure and DOS of β-SiC.
The band structure, density of states, and elastic constants of the doped structures are analyzed in the study.
[12]The Inorganic Crystal Structure Database(ICSD). http://icsd.fiz-karlsruhe.de/icsd/
Materials Chemistry and Physics. 43(1996).p.1-18

Fig. 1. a) DGEBA molecule structure, b) DETDA molecule structure.
C 4, Royal Society of Chemistry, (2016) 5890
Rev. 41, Royal Society of Chemistry, (2012) 666
Phys. 21, Royal Society of Chemistry, (2019) 23843
Phys. 21, Royal Society of Chemistry, (2019) 19890