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Beading is a common phenomenon which causes electrospun fibrils to form a chain-like structured fibre with irregularly sized “beads”.
This opens up new avenues for applications which require the maximum specific surface area possible, which may only be obtained within nano-scale structures.
[8] Sigmund, W., et al., Processing and Structure Relationships in Electrospinning of Ceramic Fiber Systems.
Xia, Electrospinning of nanofibers with core-sheath, hollow, or porous structures.
Journal of Materials Chemistry. 15(7) (2005). 735-738

The experimental steps are reduced and the temperature is lowered which are conducive to the formation of porous structure[8,9].
As the electron pair center of both donor and acceptor, ZnCl2 can react with hydroxyl groups of cellulose complex, leading to cleavage of the chemical bonds between cellulose molecules and formation of chain-like cellulose molecules which is easily cyclized to form condensed benzene planar structure.Thus the condensed carbon structure of microporous or mesoporous generates.
Analysis of hydrolysis and preparation process Formic acid is a small organic molecule with flat structure.
Consequently, formic acid molecules with total bond lengths less than 0.224 nm are easy to enter sugar based spatial structure and break the hydrogen bond structure existing in molecular chain.The holocellulose dissolved in acid solution gradually along with more and more formic acid molecules get in and the β-1,4-glucosidic bonds break because of the catalytic hydrolysis by H+,thus, the hydrolysis reaction occurs.
[14] H.Fujimoto, J.Alvarez-Ramirez, R.Suarez, R.Femat, M.Stein, J.Sauer, Fomic acid tetramers: structure isomers in the gas phase,J.Chemical Physics Letters.267(1997)111-5.

The advantage of traditional anodizing is the ability to form oxide layers with a regular structure and a controlled length of the pores [3].
We use such approach to obtain WO3 – MWO4 oxide structures (M = Fe, Cu, Ni, Mn, Zn) on titanium.
In the absence of acetonitrile, catalytically active leaf-like structures with high concentration of Mn (46.0 at. %) grow on the surface of PEO-coatings (Fig. 2a, b, d).
Krysmann, Efficient catalysts with controlled porous structure obtained by anodic oxidation under spark-discharge, Appl.
Molaei, (WO3)x–(TiO2)1−x nano-structured porous catalysts grown by micro-arc oxidation method: Characterization and formation mechanism, Mater.

In general, crystal structure of PLA shows the WAXD pattern of a (110)/(200) reflection and a (203) reflection [8].
This suggested the PLA sheet consisted of mainly amorphous structure without an alignment.
This hinted that crystal structure of PLA was nucleated but randomly dispersed in the sheet sample.
Moreover, a two-point SAXS pattern was observed along machine direction, indicating arrangement of lamellar structure with a long period of 25 nm.
Wegner, Investigation of the structure of solution grown crystals of lactide copolymers by means of chemical reactions, Kolloid-Z. u.

It was found earlier that electrolytes with a submicrometer- or nanometer-scaled structure can have an improved charge transport performance [4].
Therefore, it would be reasonable to prepare fully dense YSZ ceramics with a submicrometerscaled structure and analyze their electrochemical properties.
The LSM powder of the second type (LSM2) had the composition La0.7Sr0.3MnO3 and was prepared by pyrolysis of a polymer-salt mixture (polyvinyl alcohol and nitrate salts) at the Institute of Chemistry of Solids of the Ural Branch RAS (Ekaterinburg).
This image shows that the structure was characterized by developed infrastructure of irregular channels with the linear dimensions of pores from 1 to 5 microns.
LSM grains in this structure represented consolidated aggregates up to tens micrometers in size with a great number of necks.

The mechanical properties of gray iron primarily depend on the matrix structures, while matrix structures are chiefly decided by chemical constitution.
The gray iron structures do not contain free cementite because of about 2% silicon in gray iron.
Reducing carbon equivalent can refine graphite, but easily appear white iron structure and apt to D-type graphite as abnormal inoculation [1].
When the content of antimony is between 0.02% and 0.06%, the structure of matrix is pearlite mostly.
Kuts' : Theoretical and Experimental Chemistry, Vol.38 (2002) No.1, pp. 15-20

Elastic modulus of elasticity is one of the most important parameters for the numerical modeling of WPLA screed mortars which allow us to carry out the structural analysis for the prediction of mechanical behavior of structure elements manufactured by this innovative eco-material.
Figure 15 shows the structure efficiency of mortar screeds WPLAX, defined as the ratio of the mortar’s compressive strength (fc) to its density (r) at 28 days.
Andreopoulos, Study of Concretes Containing Thermoplastic Wastes as Aggregates, in International RILEM Conference on the Use of Recycled materials in buildings and structures; 8-11 November 2004, Barcelona, Spain
Narayanan, Designers, Handbook to Euro-code 2 Part1.1: Design of concrete Structures, Thomas Telford Services Ltd, London, (1995)
Chemistry Mater.

From strategic coating applications in aircrafts to the commercially vibrant automobiles and structures like bridges, buildings exteriors and interiors; polyurethanes have been quite popularly used.
The option of using widespread raw materials both based on water or organic solvents has made polyurethane chemistry quite attractive [1].
The paper discusses aspects of processing of polyurethane-clay nanocomposite coatings, apart from improvements in their properties which were correlated with its structure and morphology.
Absence of diffraction peaks in the XRD patterns cannot be used as the only proof for the formation of an exfoliated structure.
Nematollahi, Characterization of structure and corrosion resistivity of polyurethane/organoclay nanocomposite coatings prepared through an ultrasonication assisted process, Prog.

Specific surface area and pore structure were determined by gas adsorption on ASAP 2020 (Micromeritics Inc.USA).
Main peaks are identified as orthorhombic CeCO3OH structure (PDF No.41-0013).
The morphology, structure and dimensions of the product were determined by SEM and TEM.
The growth process of nanorods mainly depended on internal structure of precursor (CeCO3OH).
Shi, CTAB assisted hydrothermal synthesis, controlled conversion and CO oxidation properties of CeO2 nanoplates, nanotubes, and nanorods, Jourmal of Solid State Chemistry. 181(2008) 1298-1306

Chou et al. [8] used the finite element method to model the BCC atomic structure of Li using spring elements.
Fig.2 shows the initial structure of the copper nano film.
The dimensions of the copper nano-film structure are , in which is a lattice constant.
The total count of particles for the whole structure is 2016 and the temperature of the system is 293K.
Fang, “Influence of Temperature on Tensile and Fatigue Behavior of Nanoscale Copper using Molecular Dynamics Simulation,” J. of Physics and Chemistry of Solids, Vol.64, 2003, pp.1279-pp.1283