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The results indicate barium sulfate superfine particles are crystallized in the orthorhombic structure with lattice parameters a=7.156 Å, b=8.881 Å, and c=5.454 Å.
The other structure parameters are shown in Fig. 1.
Morphology and structure investigations were performed with a JEOL JEM-5610LV scanning electron microscope (SEM).
The EDTA and M-EDTA complex molecular structure are shown in Fig. 6.
[14] Judat B, Kind M, Morphology and internal structure of barium sulfate—derivation of a new growth mechanism [J], J.

These materials are organized in a „sandwich” structure with different reinforcements and welded by ultrasound.
Diagram of the ultrasonic welding equipment [6] The present article aims to analyse the behaviour of a layered sandwich structure made of composite material - PETG - with Kevlar reinforcement to achieve a mechanically improved reinforced structure.
ISBN 978-9975-45-588-6 (Vol.1); [5] Chapter 1: An Introduction to 3D Printing, in 3D Printing in Chemical Sciences: Applications Across Chemistry, 2019, pp.1-21, eISBN: 978-1-78801-574-5, 2019; [6] C.
Masania; Woigk, W.; Sesseg, Three-Dimensional Printing of Hierarchical Liquid-Crystal-Polymer Structures.
J Maria, Composite Materials, Ullmann's Encyclopedia of Industrial Chemistry, 2016, 2016 Wiley-VCH Verlag GmbH & Co.

Gandhi Rajanb, D.Ushaa, R.Sathyaa aPost Graduate and Research Department of Chemistry, The Madura College (Autonomous), Madurai-625 011, Tamil Nadu, India.
emails: KeerthiXavi1968@gmail.com; sathyaganesh2007@gmail.com; anguusha@gmail.com bPost Graduate Department of Chemistry, Vivekananda College (Autonomous), Chennai, Tamil Nadu, India Corrreponding author: sathyaganesh2007@gmail.com Keywords: Removal of MB; adsorption and isotherms; kinetic equations; thermodynamics parameters; SEM studies.
It has used in the biology and chemistry field.
The structure of it is shown in Fig. 1 Fig. 1 Preparation of AC CAC, RAC, CSC and SDC were activated by digesting it with 2N sulphuric acid solution for 2 hrs at 80º C and finally activated in an air-oven for 5 hrs at 120º C.
The authors also gratefully acknowledge to HOD, and members of the chemistry department.

This scientific field investigates the relationship between the structure of materials at atomic or molecular scales and their macroscopic properties.
It incorporates elements of applied physics and chemistry.

King Chemistry and Materials Science Department Lawrence Livermore National Laboratory References 1.
Petkovic-Luton, "Crystal structure of intermetallic phase in Fe-20Cr-4Al-0.5Y alloy by convergent beam electron diffraction," J.

The micro-accelerometer has triple-stack structure including "glass-silicon-glass" shown in Fig.1.
Anodic bonding is used to make sure that the triple-stack structure is firmly bonded together.
However, there is no uniform standard for triple-stack bonding because conventional anodic bonding is mostly aiming at duple-stack structure, very little for the three-tier structure.
(a)the bond wafer structure (b)The image of bond zone Fig. 7 Three-tier structure after bonding 5 Conclusion Based on the characteristics of the triple-stack structure of the micro-accelerometer, a new way of triple-stack anodic bonding of "glass-silicon-glass" is explored out.
Laser Cutting technology.Beijing: Chemistry Industry Press. 2004:12~47 [8] J.

The Influence of the Structure on the Destruction Mechanism of Polymer-Cement Plaster Coating V.
The article considers the influence of the structure of polymer-cement plaster coating on the nature of its destruction during the operation of the wall structure.
The formation of the structure of crack-resistant polymer-cement plaster mortar for masonry from autoclaved aerated concrete.
The success of chemistry, 1932, no. 8, 1972, p.1431-1464
Modeling and optimization of structure formation processes of composite materials, Кyiv, Society "Knowledge" of Ukraine, 1985, 16 p

The phases of all samples change from complex oxides to spinel-like structure with the increasing of x.
Generally, transition metal oxides have already found applications in a great variety of technical fields because of their chemistry and physics, and they exhibit specific infrared radiation properties and other specific physical properties.
At present, the structure of Fe-Mn-O system has been studied, which belongs to spinel type.
The infrared radiation property is related to the structure, so it is important that controlling and forecasting infrared radiation properties by studying the structure of materials.
Wen, Relationship between infrared radiation and crystal structure in Fe-Mn-Co-Cu-O spinels, Acta Metall.

The chemical structure and thermal properties of the lignin particles were also investigated by FT-IR and TGA.
The research facilities provided by Nano Agricultural Chemistry and Processing Research Team Laboratory, National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA) are also greatly appreciated.
Green Chemistry, 2018. 20(4): p. 843-850.

The knitting structures include: weft plain structure, 1×1 rib structure, full gauge 1×1 rib, milano rib, half cardigan structure and cardigan structure[3].
Weft plain structure.
Fig.2 Knitting notation of 1×1 rib structure Full gauge 1×1 rib structure.
Fig.4 Knitting notation of milano rib structure Half cardigan structure.
Fig.5 Knitting notation of half cardigan structure Cardigan structure.