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Results and Discussion Chemical Structure FTIR spectra of the synthesized compounds showed the ‎following ‎absorption bands (Fig. 1) at 2857.02 cm-1(CH2str.), 1455.99 cm-1 ‎‎(CH2 bend.), ‎‎1077.05 cm-1 (C-O str.), 1733.69 cm-1 (C=O) and ‎‎3315.95, 1037.27 cm-1 (N+) .
Surfactants CMC (mmol/L) πCMC (mNm-1) Гmax X1010 (mol cm-2) Amin (Å) I 3.16 30.00 1.70 0.80 II 3.80 32.00 2.24 0.74 III 3.98 36.50 2.79 0.60 Conclusion · The chemical structure of synthesized surfactants confirmed by FTIR
Shukla, Physical and ‎Material Chemistry ‎113 (2009) 685
Electroanalytical Chemistry 501 (2001) 241

Fig.2 depicts the structure of test method.
Fig.2 The structure of RF power supply and test method sketch In this experiment, we use enameled copper wire and PVC tube to make an single layer air core transformer as Fig.3.
References [1] Liang Gao, Qingyu Song, Garth E.Patterson, R.Graham Cooks and Zheng Ouyang: Handheld Rectilinear Ion Trap Mass Spectrometer (Analytical Chemistry, Vol.78, No.17, September 1.2006)
[2] Zheng Ouyang, Guangxiang Wu, Yishu Song, Hongyan Li, Wolfgang R.Plass and R.Graham Cooks: Rectilinear Ion Trap: Concepts, Calculations, and Analytical Performance of a New Mass Analyzer (Analytical Chemistry, Vol.76, No.16, August 15,2004)

Glasses are insulators due to their amorphous structure [1].
The structure and properties of glasses not only depend on chemical composition but also the degree of molecular order.
[4] Sreedhar I, Agawal B, Goyal P and Singh S A 2019 Journal of Electroanalytical Chemistry 848 113315
[9] Araujo C.M, Mikhail H.D, Guimaeaes E.V, Rastrello L.R, Cana N.F, Silva N.F, Dantas N.O. and Silva R S 2020 Materials Chemistry and Physics 241 122323

The developments of cement chemistry have been promoted by image-analysis technology [11–13] and previous research has been demonstrated with SEM(scanning electron microscopy) or environmental SEM: kinetics and processes of polymer particles[14], heterogeneity of polymer films[15], effects of cement pore solution, anti-cracking agent, polyvinyl alcohol on film formation of polymer particles[16,17], latex film in concrete[18].
Fig.5c and Fig.5d exhibit the middle stage of film formation: closely packed structures of polymer particles according to Fig.6 and Fig.7, some of the polymer particles beginning coalescence can be observed(Fig.5c and Fig.5d), which is corresponding to the stage Ⅲ and the stage Ⅲ* shown in Fig.7.
Ullmann’s encyclopedia of industrial chemistry, 2010: doi:10.1002/14356007.f16 f01.pub2
From microstructure to macrostructure: an integrated model of structure formation in polymer-modified concrete, Mater Struct. 38(2005) 601–607

ZHAOb Key Laboratory of Ethnic Medicine Resource Chemistry，State Ethnic Affairs Commission & Ministry of Education,Yunnan University of Nationalities, Kunming 650031, PR China aemail: yanli5901@126.com, email: zhaojishou@163.com b Keywords: Platinum group metals; Pressure cyanidation; dissolution; metal Palladium powder Abstracts: A research study has been undertaken to develop the fundamentals of a method for the direct dissolution of platinum group metals (PGMs).
Chen[9] notes that the heavy platinum group metal complexes have higher thermodynamic and kinetic stability than the light platinum group complexes with the same valence state, same complexing agent and same complex ion geometrical structure.
The dissolution mechanism involves the structure and bonding mechanism of cyanide and oxygen adsorbed on Palladium and Platinum metal.
Ricart: Surface Science, Vol.558 (2004) , P. 111 [16] Tan Guo, Andreas Illies, Vince Cammarata, Michael Arndt, William Sonzogni, Journal of Electroanalytical Chemistry Vol. 610 (2007) ,102–105

The influence of TiCl4 treatment on the powder crystalline structure, the coating microstructure and the cell performance were investigated. 2.
The powder crystalline structure was characterized through X-ray diffraction (XRD) analysis (Shimazu XRD-6000) by Cu Kα radiation.
A: Chemistry Vol 164 (2004), p. 159
A: Chemistry Vol 173 (2005), p. 1.

Introduction Laser dyes: They are defined as organic materials with rather complex structures and have a large molecular weight because their structures contain a chain of carbon atoms attached to a single or double bond by alternation.
Iodine and iodine compounds in Ullmann's Encyclopedia of Industrial Chemistry.
American Chemistry Council.

In this experiment model, based on these concept of design: (1) Enable students to doing laboratory using experimental apparatus such as physics and chemistry; (2) In a relaxed environment for students to complete the experiment; (3) Allow students to concentrate at the experiment; (4) make teachers do not have to spend a lot of effort to talk about experiment.
In order to implement the design concept, as the experimental model was designed following functions: (1) Designed an experiment to supply the necessary experiment equipment of the mathematics experiment (experiment area), it allows students to doing laboratory using such as physics and chemistry; (2) The experimental task is not the same every time, makes the same experiment can repeat multiple times
Experimental model of logical structure Experimental content design.
Before using the OpenGL defined graphics and operate graphics, must define OpenGL window, related statements and functions are as follows: Sub EnableOpenGL(ghDC As Long) 'Open OpenGL Dim pfd As PIXELFORMATDESCRIPTOR 'Define device context ZeroMemory pfd, Len(pfd) pfd.nSize = Len(pfd) 'Set the pixel format the size of description table pfd.nVersion = 1 'Structure version, the generally set to 1 pfd.dwFlags = PFD_DRAW_TO_WINDOW Or PFD_SUPPORT_OPENGL Or PFD_DOUBLEBUFFER ' Characteristics of buffer flag pfd.iPixelType = PFD_TYPE_RGBA 'pixel type as RGBA … End Sub After writing the OpenGL code, need the related statement to release the occupied resources, otherwise after long time run, the OpenGL will keep redrawing to take up too much system resources, then cause a program error.

Introduction Since experimentally studying in 1960’s,[1, 2] graphene has attracted more and more interests owing to its two dimensional honeycomb structure.
McEuen, Mechanical properties of suspended graphene sheets, Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 25(2007), No.6, p.2558
Kong, Transferring and Identification of Single- and Few-Layer Graphene on Arbitrary Substrates, Journal of Physical Chemistry C, 112(2008), No.46, p.17741-17744
Ruoff, Effect of Water Vapor on Electrical Properties of Individual Reduced Graphene Oxide Sheets, Journal of Physical Chemistry C, 112(2008), No.51, p.20264-20268.

Purified, distilled water was obtained from the Department of Organic Chemistry and Technology (Budapest University of Technology and Economics).
In case of too high, pH>10 values in the prior mixture of the shell-material, continuous solid PMF could not develop, or - slightly above pH 10 -foam-like structures were created as the polymerization was not quick enough to result individual capsules.
Aggregates at pH<10, capsules at pH=10 and foam-like structures at pH>10 Considering the results of the studied literature and as a result of a thorough optimization, the right parameters were found for producing the pure and dyed hardener cored capsules.
White, Self-healing thermoset using encapsulated epoxy-amine healing chemistry, Polymer, 53 (2012) 581–587