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Due to the special pore structure and exceptional hydrothermal stability, ZSM-5 catalyst is widely applied to the petrochemical industry, organic synthesis, environmental protection[3-6].
The VPT crystallization takes place through using mixture of volatile structure-directing agents (SDAs) and water in the bottom of the autoclave[7-10].
While the alkalinity of reaction system is too high, it will lead to mixed crystal, especially MOR structure grows easily.
At the same time, we also considered the effect of the quantity of seeds and ethylamine as the structure-directing agent.
Though the alkalinity changed rearrangement of aluminosilicate skeleton structure, and affected the nucleation rate and crystallization speed of the ZSM-5 zeolite, it had nearly no effect on the molar ratio of SiO2/Al2O3.

Crystal structure of thaumasite is hexagonal with a=10.054Å and c=10.410Å based on columns of composition {Ca3[Si(OH)6]·12H2O}4+.
Similar crystal structure of thaumasite and ettringite brings more difficulty for sulfate minerals analysis in deteriorated cement-based material containing limestone suffered by external sulfate attack.
For two given different phases, Kij is a constant and related to their own crystal structure characteristics.
Proceedings of VIIIth International Congress on the Chemistry of Cement, (1987), p. 582-588 [9] S J Barnett, D E MacPhee, E E Lachowski, N J Crammond: XRD, EDX and IR analysis of solid solutions between thaumasite and ettringite.Cem.
Vol.32(2002), p. 719-730 [10] A E Moore, H F W Taylor: Crystal structure of ettringite.

Chemical structures of benzhydrol derivatives.
Extending the structure with 3′- or 4′-acetamido groups in compounds 2b-c did not improve antituberculosis activities.
Their chemical structures might be steric to the site of action.
The chemical structures of all the synthesized compounds 2a-c were elucidated by FTIR, NMR, and LC-MS.
Hashimoto, Structural development of benzhydrol-type 1ʹ-acetoxychavicol acetate (ACA) analogs as human leukemia cell-growth inhibitors based on quantitative structure–activity relationship (QSAR) analysis, Chem.

Scaling up the production of low-density PLA foams with uniform cell structures using sc-CO2 as a blowing agent is challenging, primarily due to PLA’s limitations, i.e., its linear molecular structure, low molecular weight, limited crystallization ability, and low melt strength, which hinder the foaming process [25-26].
Poly (lactic acid): synthesis, structures, properties, processing, applications, and end of life: John Wiley & Sons; 2022
ACS Sustainable Chemistry & Engineering 7(1) (2018) 1698-706
Industrial & Engineering Chemistry Research 57(46) (2018) 15690-6
Polymeric foams structure-property-performance: A design guide: William Andrew; 2017

Also observed were a few series of tree-like structures (dendrites).
Journal of Materials Chemistry A, 8(27), 13415-13436
Journal of industrial and engineering chemistry, 85, 34-65
Local structures of high-entropy alloys (HEAs) on atomic scales: An overview.
Structure and Properties of Some CoCrFeNi-Based High Entropy Alloys.

Corrosion Protection of Mild Steel by Polyaniline/Tin-Doped Titania Nanocomposite Fariza Abdul Rahman1,a*, Wan Jefrey Basirun2,b*, Mohd Rafie Johan3,c, Nadiah Ghazali1,d, Magaji Ladan4,e 1Mechanical Engineering Department, Faculty of Engineering, University Malaya, 50603 Kuala Lumpur, Malaysia 2Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia 3Nanotechnology and Catalysis Research Centre (NanoCat), University of Malaya, 50603 Kuala Lumpur, Malaysia 4Department of Pure and Industrial Chemistry, Bayero University Kano, Nigeria.
In general, both components of PANI and Sn-doped TiO2 were present in the nanocomposite structure.
Since SnO2 and TiO2 had the same crystal structure, the Sn doping of TiO2 reduced the crystallite size because of the absorption of Sn4+ into the TiO2 nucleus, thus hindering the growth of the TiO2 nanoparticle [14].
The dense structure of PVB + PANI/Sn-doped TiO2 managed to prevent aggressive ions from diffusing into the coating system.
Together, incorporating Sn-doped TiO2 nanoparticle and PANI nanotube as the corrosion inhibitors in the PVB coating would yield a reinforced and impenetrable micro matrix structure to improve the corrosion resistance.

Ni3[Ti, Al, Ta etc.] in the normally face centered cubic (FCC) structure of the solidified nickel.
In DS morphologies, the grain structure is parallel to the major axis of the blade and contains limited number of transverse grain boundaries that are perpendicular to the loading directions.
SLE has been successfully demonstrated to deposit SX CMSX-4 [2, 3], EQ René 80 [4], EQ IN100 [5] and EQ MAR-M247 [6] on similar-chemistry substrates.
The structure of the deposits is also investigated through scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS).

Based on the orientation dependence of the stored energy, the {001}<110> orientation is known to lack from structured misorientation gradients and significant dislocation storage after plastic deformation which makes the former orientation not particularly prone to enhancing the recrystallization process.
The crystallographic texture of the manufactured product is known to be dependent both on the material (structure and composition) and on the enchained sequence of events occurring throughout the several steps of the thermomechanical processing.
The effect of the chemistry (i.e.
The a-fibre orientations (<110>//RD), however, have been traditionally described to consist of an equiaxed subgrain morphology with relative low density of dislocation storage and virtual absence of structured misorientation gradients.

Ethanediamine（C2H8N2） is employed to adjust the pH value of plating solution (solution A), and chelate Cu2+ generated by side reaction, forming sound five-membered ring structure with Cu2+, thus preventing the formation of Cu(NH3)42+ which can avoid adsorption of Cu(NH3)42+ on the surface of copper powder.
At this moment added C2H8N2 can preferentially chelate generated Cu2+ by side reaction and form more stable complex ion which is sound five-membered ring structure, this avoids information of [Cu(NH3)4]2+ and absorption on surface of copper powder.
Previous silver deposited on surface of copper powder and copper form a large amount of microbatteries in the system which helps Ag+ obtain electrons, and then it is restored and deposited on silver crystal nucleus, and forms silver layer with multistory structure[11].
[11] BaojiaoGao, Hongmei Jiang, Chinese Journal Of Inorganic Chemistry.16 , 669-673 (2000) (In Chinese)

This technique allows for the precise deposition of edible materials in layers, creating complex and custom food structures with desired shapes, textures, flavours, and nutritional profiles.
By enabling precise control over food composition and structure, 3D printing facilitates the production of customized, nutrient-dense food items.
As a subset of additive manufacturing, FLM has gained traction for its capability to produce intricate food structures with high precision [7].
Sridhar: Food Chemistry Vol. 432 (2024), p. 137196