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The structure of the chips was studied on a Micro 200 electron microscope.
The structure of the material becomes more ordered due to an increase in the content of the crystalline phase in the material volume.
Such technological operation allows forming the supramolecular structure of the investigated materials caprolon and fluoroplastic more uniform.
The presence of such structure is a precondition for improving the of the subsequent turning process quality. 2.
Shevelev, Structural- statistical kinetics of polymer destruction, Chemistry, Moscow, 2002

The main characteristics of the graphite surface before and after modification and characteristics of the porous structure and surface of carbon fibers are obtained.
A sequential change in the chemical composition of the surface during the chemical synthesis of monolayer coatings on the surface of carbon materials reveals the relationship between composition structure and property [4].
The composition and structure of the final products are primarily determined by the annealing and chemisorption conditions.
Apparently, the interaction of the enzyme molecule with the surface of the carbon fiber changes the tertiary structure of the molecules, which leads to a decrease in catalytic activity.
Mechanism of formation of titanium dioxide crystallites in the reaction of titanium tetrachloride with magnesium hydrosilicate nanotubes (2019) Materials Today Chemistry, 11, pp. 156-168

Introduction Well known etching applications in semiconductor technology are substrate cleaning, pattern transfer, trench formation and the realization of free standing structures.
For the realization of these complex three dimensional or free standing structures an undercut or a shape transformation of the planar pattern formed by photo or electron beam lithography is necessary.
The test structures contain features in form of suspended singly and doubly clamped beams as well as rectangular test structures.
The bottom of the etched structure at elevated temperatures exhibits a smoother morphology at higher temperatures up to 500°C compared to the room temperature case.
In the used parallel plate rf-plasma reactor in plasma etching mode with SF6 based chemistry, elevated temperatures, lower pressure and high rf-power improves the isotropic etching.

Moreover, most polymeric materials possess the characteristic chain structures such as spherulite or lamellae crystals in the scale of nanoindentation, so that the indentation behavior would be strongly affected by such internal chain structures.
New technologies of experimental instruments such as TEM tomography [7] has made it possible to observe the molecular chain structure directly at the molecular level.
In the simulation of 200m/s, the chain wholly deforms leading remarkable disorder in the zig- zag structure during the loading.
On the other hand, the chain deforms only in the vicinity of the tip during the loading of 2000m/s, remaining the zig-zag structure in the other area.
Harrison: Journal of Physical Chemistry B 103-51 (1999), p. 11357 [9] K.J.

Also, we have succeeded in preparing the ZnO layer with step-and-terrace structure using the ZnO substrate [13].
Both heterostructures show a step-and-terrace structure.
The X-ray 2q-w profile of the Zn0.73Mg0.15Mn0.12O/ZnO heterostructure indicated only a single-phase wurzite　structure with (0001) orientation.
The Zn0.88-xMgxMn0.12O layer with x=0.15 had a surface with step-and-terrace structure and no existence of second phases.
Lide : 84th CRC Handbook of Chemistry and Physics, (CRC Press, United States 2003)

In this case, nano-structured Li4Ti5O12 exhibited high capacity even at high-rate charge-discharge.
On the other hand, β-FeOOH particles have been synthesized from FeCl3 aqueous solutions containing Ti 4+ , Cr 3+ , Cu 2+ , and Ni 2+ and their structures have been investigated[3].
X-ray diffraction measurements were carried out to examine crystalline structure.
The results of XRD measurements and SEM observations suggested that both crystalline structure and particle morphology were varied with the addition of Ti(SO4)2.
It was confirmed by x-ray diffraction measurement that the crystalline structure of β-FeOOH after charge-discharge measurement has been broken.

On the Development and Performance Evaluation of Potassium Silicate Polyol Drilling Fluid PingQuan Wang1, a, Yang Bai1,b, ZhiWei Qian1,c , Gang Peng2,d, Yi Liu3,e and ZhiQiang lv3,f 1State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation,Southwest Petroleum University, Chengdu 610500,China 2 Sinopec Southwest Bureau Chongqing Drilling Company, Chongqing, 400042 3PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000 awpq64@163.com, bbaiyanghyq@foxmail.com, cqzw0417@126.com, dpg@ckdc.biz, emoonshine1688@163.com,flvzhiqiang0201@sina.com Keywords: potassium silicate; polyol; semi-permeable membrane (membrane structure); drilling fluid system; evaluation; performance; stabilizing well wall Abstract.
In this paper, from the perspective of the comprehensive role of treating agent, the chemical effect of potassium silicate (gel sedimentation) and the physical effects of polyol (cloud point effect) are put into composite application so that a set of drilling fluid system of membrane structure and silicon potassium polyol with gel - cloud point effect is established, and a comprehensive evaluation of the performance of the system is given a complete explanation, opening up a new research direction for drilling fluid's stabilizing well wall.
In this paper, the chemical effect of potassium silicate (gel sedimentation) and the physical effects of polyol (cloud point effect) are put into composite application so that a set of drilling fluid system of membrane structure and silicon potassium polyol with gel - cloud point effect is established.
But after adding polyol, the value of API dehydration, HTHP dehydration and mud cake thickness is greatly improved, with the mechanism that in the condition of high PH (PH = 11.5),the coordinated effect between potassium silicate - clay gels (chemical effect) and polyol loud point matters (physical effects) forms a the membrane structure of gel - cloud point effect, effectively enhancing the effect of blocking and filling, and improving the dehydration wall capacity with thin mud cake, density, and dehydration reduction.
World Oil, 1991,212(3):20-25 [3]Halliday WS.Polyglycol and aluminum chemistry drilling fluid helps operat or reach project goal[Z].SPEPIADC,25702,1993 [4]Darley.Borehole Stability in Shales.SPE24975,19921 [5]Van OortE,etal.Silicate based drilling fluids: competent,cost effective and benign solutions to well bore stability,problems.IADC/SPE 35059,1996 [6]Bailey B.Craster new insight into the mechanisms of shale inhibition using water based silicate drilling fluid[R].IADC/SPE39401,1998

HAMOUDA2, b 1College of Mechanical and Automation Engineering, Wuhan Textile University, Wuhan 430073, China 2Textile Engineering, Chemistry and Science, NC State University, Raleigh, NC 27695, USA alujijun@126.com (corresponding author) bhechmi_hamouda@ncsu.edu Key Words: Fiber wastes; Reuse; Recycling; Incineration; Compost and biological treatment Abstract.
Tasdemir, et al. [12] obtained composite structures through waste silk and cotton and recycled polycarbonate polymer, recycled polyamide-6 (PA6), high-density polyethylene (HDPE) and polypropylene (PP) polymer mixed.
Fiber Chemistry. 28(2) (1996) 78-81
Russian Journal of Applied Chemistry. 78(11) (2005) 1816-1820
Fibre Chemistry. 28(6) (1996) 409-412

Quayle, “Plastics in the marine environment: problems and solutions,” Chemistry and Ecology, vol. 6, no. 1-4, pp. 69-78, 1992
Mohd Ishak, “Mechanical properties and structure development in poly (butylene succinate)/organo-montmorillonite nanocomposites under uniaxial cold rolling,” Express Polymer Letters, vol. 5, no. 2, 2011
Marais, “Effect of nanoclay hydration on barrier properties of PLA/montmorillonite based nanocomposites,” The Journal of Physical Chemistry C, vol. 117, no. 23, pp. 12117-12135, 2013
Müller, “Crystallization, morphology, and enzymatic degradation of polyhydroxybutyrate/polycaprolactone (PHB/PCL) blends,” Macromolecular Chemistry and Physics, vol. 208, no. 9, pp. 924-937, 2007
Wang, “Facile fabrication of ternary nanocomposites with selective dispersion of multi-walled carbon nanotubes to access multi-stimuli-responsive shape-memory effects,” Materials Chemistry Frontiers, vol. 1, no. 2, pp. 343-353, 2017.

The molecular structure and phases of micro porous carbon were characterized using Fourier Transform Infrared (FTIR) and X-Ray Diffraction (XRD) with the results confirmed of micro carbon with reduced graphene oxide (rGO) phase.
Then all samples were characterized by X-ray diffraction (XRD) measurements to study the crystal structure, and the phase candidates formed from carbon using the Philips X Pert MPD (Multipurpose Diffractometer) type XRD located in the Laboratory of the Department of Materials and Metallurgy ITS, with the help of software for its operation, namely MATTLER Results and Discussion In this research, the synthesis of marine paint matrix composites with carbon powder from shells was carried out.
Coconut shell carbon powder has an amorphous phase, which indicates that the rGO phase has been formed in the graphite structure of amorphous carbon which was confirmed through XRD characterization and it was identified that there are bonds of impurity atoms such as C-H and C=O.
References [1] Agustin, T., Prasetya, NBA and Widodo, DS (2013) 'Simultaneous Synthesis of TiO2-Activated Carbon Composites for Photocatalysis of Direct Blue 19 Dye Solutions and Metal Ions Pb2+ and Cd2+ Simultaneously', Journal of Chemistry Science and Applications, 16(3) , pp. 102–107.