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Chemistry and defect chemistry of barium titanate, which is a model ternary oxide of a perovskite-type structure, are reviewed in more detail including preparation of fine powders.
Several issues related to ceramic interfaces such as interface chemistry in perovskitetype materials and their structure based on electron microscopy studies are the subject of two papers.

Multilayer graphene nanoclusters: structure, electronic and magnetic properties Nikita S.
Ziatdinov1,b 1Institute of Chemistry of FEB RAS, 159, Prospekt 100-letiya, Vladivostok, 690022, Russia ae-mail: saenko@ich.dvo.ru, be-mail: ziatdinov@ich.dvo.ru Keywords: nanographites, activated carbon fibers, electronic structure, magnetic properties, SAXS, XRD, Raman spectroscopy, magnetic susceptibility, ESR, conduction electron spin resonance.
Ando, Physics and chemistry of graphene: graphene to nanographene, Pan Stanford Publishing Pte Ltd., Singapore, 2013, 476 p
Chen, Direct imaging of graphene edges: atomic structure and. electronic scattering, Nano Lett. 11 (2011) 3663-3668
Enoki, Role of edge geometry and chemistry in the electronic properties of graphene nanostructures, Faraday Discuss. 173 (2014) 173-199.

Structure of the Polymer.
Hu: Journal of Electroanalytical Chemistry, Vol. 389 (1995), p.85
Huang: Chemistry-A European Journal, Vol 13 (2007), p.8884
Epstein: Chemistry of Materials, Vol 19 (2007), p.3589
Ding: Chemistry, Vol 1 (2004), p.57.

The Characterization of Different Doses of Electron Beam Irradiation on the Structure and Properties of PAN Precursor Fibers Hongwei Yu1,a, Huiwu Yuan1,b, Yuansheng Wang1,2,c, Zheng Wei1,d 1Naval University of Engineering, Department of Chemistry and Material, Wuhan 430033, China 2State Key Laboratory of Polymer Material Engineering, Chengdu 610065, China a xgq1967@vip.sina.com, b yuanhuiwu@foxmail.com, c sklpmeysw@scu.edu.cn, d zhengweihjgc@126.com Key Words: Electron beam irradiation, Extent of cyclization, Tensile properties, Morphology Abstract.
On account of conventional PAN precursor fibers display inhomogeneous structure and these defects were generated due to inadequate crosslinking in the stabilization process [2].
The radiation chemistry of polymers has become of great interest in recent times.
What’s more, superfluous electron beam irradiation might be at the bottom of destroy of the structure of PAN precursor fibers.
Journal of Physical Chemistry B, Vol.107(2003)No.41, p.11273 [5] Hill DJT, Lang A P, O_Donnell J H, et al.

Glycidyl methacrylate (GMA) as a multifunctional and polymerizable monomer was chosen, and impregnated into the porous structure of wood.
The structure of this material was analyzed by SEM, FTIR and XRD; and its performance was also determined.
In conclusion, GMA almost polymerized by its unsaturated double bond and the resultant polymer, PGMA, filled fully in wood porous structure, and most of PGMA grafted onto wood cell walls by the reaction of epoxy group with hydroxyl group, resulting in the tight contact of solid polymer with wood cell walls. 3.3 Structure Characterization with XRD Fig.3 X-ray diffraction patterns of untreated wood and PGMA/Wood.
Radiation Physics and Chemistry. 46(1995), p. 889-892 [7] H.B.
Radiation Physics and Chemistry. 64(2002), p. 277-281

As a result, the importance of atomic level surface chemistry is highlighted in the growing field of organic functionalization of semiconductors.
Toluene, together with benzene, is the most important unsatured cyclic hydrocarbon in organic chemistry.
Among the undissociated forms, the "Tight bridge" (TiB) and "twisted bridge" configurations are the lowest energy configurations, formed by tetra-σ-bonded structure and characterized by the presence of one C-C double bond (see Fig 1).
Our calculations show also that there are, at somewhat higher energies, three different "butterfly" structures, characterized by two C-Si 3 bonds reported in the table and called SB, T and DB, where the DB one bridges two adjacent surface dimers (see Fig 2).
The names are borrowed from similarities with benzene structures, already published[14], even if the presence of the methyl group generates structures in which it is bonded in α β o γ position respect to the Si-C ring bond; the different numbers for the same configuration, reported in table, indicate the different position of methyl group.

From the chemical analysis of raw materials calculated theoretical chemistry raw material mixtures, then the chemistry of clinkers calculated from theoretical chemistry raw material mixtures and theoretical phase composition of clinkers shows Table 1.
Theoretical chemistry of raw meal, clinker and phase composition of clinkers.
Therefore, the degree of saturation was subsequently calculated for all three designed samples with burning mode 1450/5 - namely, from their designed chemistry, chemistry according to the prepared raw meals and chemistry of clinker.
LO1408 "AdMaS UP - Advanced Materials, Structures and Technologies", supported by Ministry of Education, Youth and Sports under the „National Sustainability Programme I".
Hewlett, Lea's Chemistry of Cement and Concrete, Fourth Edition, ISBN-13 978-0-7506-6256-7

The experimental methods borrowed from other fields of chemistry are hardly useful the results are mostly qualitative and their use to select the calculation method giving closer to reality data is practically impossible.
In [2] was proposed, as a general working model for binary silicate glasses structure, the structure of cristobalite, characterized by the presence of rings formed by six tetrahedrons.
When to a structure with a high enough X value a new silica tetrahedron is added both structure and properties suffer quite little changes, as seen in Fig. 2.
Conclusions The nano-heterogeneous glass structure, practically unanimously recognized, may be examined, until now, almost by means of some old calculation methods or, only qualitatively, by means of some usual in chemistry separation methods.
Radu, in Structure of Amorphous Materials, Cambridge (1977), p. 124-130

Conclusion The crystal structure of N-(3,4-Dichlorophenyl)-3-oxobutanamide was studied by semi-empirical methods and the results were compared with the experimental and DFT calculated structure.
A good correlation was found between experimental and theoretical structures.
Stewart: MOPAC2009, Stewart Computational Chemistry, Version 8.351W web: http://OpenMOPAC.net
R., Gabedit: A graphical user interface for Computational Chemistry, J. of Comp.
Facio: Version 14.1.1 Computational Chemistry environment for MOPAC, GAMES and GAUSSIAN [11] E.

Silica based hierarchical porous structures are hydrothermally stable with a tunable pore structure, a high specific surface area, and an ordered pore structure, and thus have garnered significant interest for dye removal applications [20-23].
Journal of Materials Chemistry A, 2017. 5(34): p. 17705-17733
The Journal of Physical Chemistry B, 2007. 111(2): p. 358-362
Journal of Nanostructure in Chemistry, 2016. 6: p. 261-274
Pure and applied chemistry, 2015. 87(9-10): p. 1051-1069