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Melikishvili Institute of Physical and Organic Chemistry, I.
The structure and some mechanical properties of the W2B5–TiB2–B4C ceramics were studied in [15].
Structure and morphology of obtained samples were studied by SEM of type JEOL JSM-6510LV.
Petzow, Structure and properties of reaction hot-pressed B4C–TiB2–W2B5 materials, J.
Kozak, Structure and properties of ceramics based on tungsten and titanium borides and boron carbide, Powd.

Bridge joint is a typical component connecting the new and old concrete structures.
The renovation mode is the same span and same structure as original bridge with widening on both sides, connected with the original bridge on the upper structure but not on the lower part.
This important conclusion can be applied to the crack state assessment of solid bridge structures.
Materials and Structures, 22 (1999)225-230
Lebon, Permeability of macro-cracked argillite under confinement: Gas and water testing, Physics and Chemistry of the Earth, Parts A-B-C, Vol.32 (8-14), 2007, pp.667-680.

Bio-based polymers have more flexible and adaptable polymer chemistries, are more affordable and biodegradable, and can more easily achieve their intended properties and functions[7].
CA from corn husk has a powdery fibrous structure.
(a) CA from Corn Husk (b) Commercial CA The structure of the material was identified with X-ray diffraction.
According to the diffraction chart in Figure 2, the CA structure characteristics of corn husk are comparable to those of commercial CA.
The addition of CA causes a decrease in crystallinity properties so that the pore structure changes to amorphous, according to the results of the XRD analysis.

The structure of the composite was investigated using electron microscopy and the conductivity was experimentally determined in accordance with ASTM D149-09.
The nanotube network structures were observed, as shown in Fig. 6.
Similar structures were also observed in samples containing different carbon nanotube loading fractions.
Furthermore, the electrical structure of the conductive network may be of interest for contact applications in electronic devices, electron storage, super capacitances, and even for the purposes of field emission.
Acta Vol. 119 (1998), p. 1425 [28] CRC Handbook of Chemistry and Physics, ed.

Graphene nanosheets (GNS) with size of 1~10 μm and carbon nanotubes (CNTs) with diameter of 10 ~ 15 nm and length of 100 μm were purchased from Chengdu Organic Chemistry Co.
The GNS/CNTs-1 retained the fibrous structures, which implies cellulose fibers are not completely covered by GNS and CNTs.
Three-dimensional structures of graphene/polyaniline hybrid films constructed by steamed water for high-performance supercapacitors.
Flexible graphene/polymer composite films in sandwich structures for effective electromagnetic interference shielding.
Achieving the interfacial polarization on C/Fe3C heterojunction structures for highly efficient lightweight microwave absorption.

Estimation of Microwave Absorption Properties of RGO-SiC-LLDPE Composites Pankaj Bora1, Utpaljyoti Mahanta2, Jayanta Kumar Sarmah3, Jyoti Prasad Gogoi1,4* 1Department of Physics, Kaziranga University, Jorhat, 785006, India 2Department of Physics, Sibsagar College, Sivasagar 785665, India 3Department of Chemistry, Kaziranga University, Jorhat, 785006, India 4Department of Physics, Dergaon Kamal Dowerah College, Golaghat, 785614 India *E-mail: jpgogoi2013@gmail.com; Tel.: +91 (3716)2351318; fax: +91 3762351318 Keywords: Silicon Carbide; Reduced graphene Oxide, Dielectric Response; Transmission Line; Microwave absorber.
Due to its high specific surface area and excellent electronic conductivity reduced graphene oxide (RGO) has been widely studied as microwave absorber and it shows good microwave absorption properties in the X-band region [3].Because of high electron conductivity in RGO, the free electrons can accumulate at the interface of heterogeneous structure resulting boundary –layer capacitors which generate the interfacial polarization thereby absorb the incoming microwave.
Further, absorption efficiency of each of the studied structure is analyzed in terms of impedance matching and consequent quarter wave cancellation of incident radiation. 2.
The XRD pattern of as received SiC samples shows sharp peak at 2θ=27° corresponding to the planes (111) which is similar peak reported in reference [10].The optical spectrum of RGO, figure 1(b), showed characteristic peak at 269 nm which can be attributed to removal of oxygen functional groups and restoration of conjugated structure [11].In figure 2(a), FESEM image of reduced graphene oxide reveals wrinkled like structure that caused sheet folding.
Reflection loss calculation of Single layer microwave absorber Microwave absorption efficiency of the studied dielectric composite samples (A to F) have been estimated in terms of reflection loss (RLc) for different designed microwave absorbing structure viz. conductor backed single layer (Fig.4) according to transmission line model [16].

In the proper defect-free structures, the atoms are located in the lattice to form a system having minimum free energy.
The inhibition for the movement of the vacancies is achieved by introducing impurities into the structure.
In this way, imperfect metal structures obtain high strength.
Korobeinik, S.V., Features of Formation of Microtopography, Structure and Substructure of Surface Layer with Electrospark Alloying.
Physics and Chemistry for Processing of Materials 4 (1979) 154-156

Roven4, i 1School of Materials Science and Engineering, Jiangsu Province Key Laboratory of Materials Tribology, Jiangsu University, Zhenjiang 212013, China 2School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China 3SINTEF Materials and Chemistry, N-7465, Trondheim, Norway 4Department of Materials Science and Engineering, NTNU, Norwegian University of Science and Technology, Trondheim 7491, Norway a283863221@qq.com, bmanpingliu@ujs.edu.cn, c984648804@qq.com, d1958925846@qq.com, e810033648@qq.com, f690775626@qq.com, gyingda.yu@ntnu.no, hpal.skaret@ntnu.no, ihans.roven@material.ntnu.no Keywords: Al-Mg-Si-Cu aluminum alloy, severe plastic deformation, equal-channel angular pressing, preaging treatment, microstructure, mechanical properties, precipitation sequences.
Although outstanding progress has been made in this area in recent years, the relationships between theory-based structure–property relationships in SPD metals are not yet fully understood [3].
The precipitation sequence of these alloys is reported in the literatures [4-8] as follows: α (SSSS) → GP zones → β″→ β′→ β (1) where α (SSSS) is the Al-based supersaturated solid solution, GP zones are generally spherical clusters with unknown structure, β″ (Mg5Si6) precipitates are fine needle shaped zones with monoclinic structure and are generally present in Al alloys aged to the maximum hardness, β′ (Mg9Si5) is rod shaped precipitates with hexagonal structure and are found in the overaged specimens, β (Mg2Si) is the final equilibrium phase in the precipitation sequence.
Yu, Structure and mechanical properties of nanostructured Al-Mg alloys processed by severe plastic deformation, J.

Nonlinear cooperative behavior appears naturally in living systems but also in physics, and chemistry (e.g., cardiac cell oscillations, cellular calcium oscillations, oscillatory chemical reactions, fireflies, etc.).
It occurs, for example, when pedestrians interact with oscillating structures (e.g., bridges).
As for pedestrians, working information (shared by communication) is also responsible by the emergence of the new structure of the system.
Bejan, Shape and Structure from Engineering to Nature, Cambridge University Press, Cambridge, 2000
Bruno, Crowd-structure interaction in lively footbridges under synchronous lateral excitation: a literature review, Phys.

Kaolinite is the main structure forming species in the overall geopolymerization process.
Upon heating above 900°C, significant changes in the physical structure can be observed.
The geopolymer gel precipitate structure coarsened significantly between 900°C and 975°C and achieved a glassy appearance by 1000°C.
Rakesh, Mechanical activation of fly ash: Effect on rection, structure and properties of resulting geopolymer, Ceram.
Davidovits: Geopolymer Chemistry and Application. 2nd ed.