Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: July 2022
Authors: Flora Trehubova, Victoriia Deineka, Olena Tarakhno, Dmytro Tregubov
Melting temperatures tmp can be selected as a marker of the cluster structure.
The smallest cluster is a dimer, such structures are common in simplest gases.
This views system on the structure of hydrocarbons considered classes is shown in Fig.4b.
Atume, Absolute Prediction of the Melting and Freezing Points of Saturated Hydrocarbons Using Their Molar Masses and Atume’s Series, Advanced Journal of Chemistry-Section A, 3–2 (2020) 122–130
Doroshenko, Spectroscopic study of cluster structure of n-hexanol trapped in an argon matrix.
The smallest cluster is a dimer, such structures are common in simplest gases.
This views system on the structure of hydrocarbons considered classes is shown in Fig.4b.
Atume, Absolute Prediction of the Melting and Freezing Points of Saturated Hydrocarbons Using Their Molar Masses and Atume’s Series, Advanced Journal of Chemistry-Section A, 3–2 (2020) 122–130
Doroshenko, Spectroscopic study of cluster structure of n-hexanol trapped in an argon matrix.
Online since: November 2012
Authors: Ping Qian, Jiang Shen, Jin Chun Li, Zhen Feng Zhang
Moreover, the total and partial phonon densities of states are first evaluated for the Fe7-xCrxC3 compounds with the hexagonal structure.
Hence, it is proposed that the structure of M7C3 is hexagonal with P63mc space group which is consistent with the structure proposed by Herbstein and Snyman [16,17].
According to the structure analysis from literature[15], we built the binary phase Fe7C3-type structure with the P63mc space group.
The calculated results show that the Cr atoms can decrease the cohesive energy and stabilize the Fe7C3 structure.
Snyman Inorganic Chemistry.
Hence, it is proposed that the structure of M7C3 is hexagonal with P63mc space group which is consistent with the structure proposed by Herbstein and Snyman [16,17].
According to the structure analysis from literature[15], we built the binary phase Fe7C3-type structure with the P63mc space group.
The calculated results show that the Cr atoms can decrease the cohesive energy and stabilize the Fe7C3 structure.
Snyman Inorganic Chemistry.
Online since: September 2019
Authors: Natalya Tyurnina, Sergey I. Sviridov, Zoya G. Tyurnina, Olga Yu. Sinelshchikova, Andrei V. Tumarkin, Andrey V. Drozdovskii, Natalya S. Vlasenko
Grebenshchikov Institute of Silicates Chemistry of Russian Academy of Sciences, Russian Federation, 199034, Russia, St.
Interaction of glasses with nitrate melts in the systems containing Na+, K+, and Ba2+. // Glass Physics and Chemistry. 1999.
A hyperboloid structure as a mechanical model of the carbon bond.
International Journal of Solids and Structures, 96, 145-152
International Journal of Solids and Structures, 143, 59-72
Interaction of glasses with nitrate melts in the systems containing Na+, K+, and Ba2+. // Glass Physics and Chemistry. 1999.
A hyperboloid structure as a mechanical model of the carbon bond.
International Journal of Solids and Structures, 96, 145-152
International Journal of Solids and Structures, 143, 59-72
Online since: September 2018
Authors: Svetlana V. Samchenko, Olga V. Zemskova, Irina V. Kozlova
The structure of the cement stone in the samples with CNTs is represented by poorly crystallized scaly calcium hydrosilicates (refer with: Fig. 6).
Thus, due to the stabilization of nanoparticles by a plasticizer based on sulfonated naphthalene formaldehyde resins, the uniform distribution of CNTs in the volume of the cement matrix is ensured, as a result of which they can be considered as primary nanomaterials [16], which concentrate newgrowths that subsequently combine into a conglomerate with improved physicomechanical and structural characteristics, and the study of the mechanism of CNTs stabilization by sulfonaphthalene formaldehyde makes it possible to explain from the position of colloid chemistry the effect of stabilized CNTs on the formation of the structure of cement stone.
The addition of stabilized CNTs in the composition of cement contributes to the formation of a strong and dense structure of cement stone.
It is established that the structure of the cement stone with CNTs is represented by poorly crystallized scaly calcium hydrosilicates.
Kozlova, Stabilization of Carbon Nanotubes with Superplasticizers Basedon Polycarboxylate Resin Ethers, Russian Journal of Applied Chemistry. 12 (2014) 1872 – 1876
Thus, due to the stabilization of nanoparticles by a plasticizer based on sulfonated naphthalene formaldehyde resins, the uniform distribution of CNTs in the volume of the cement matrix is ensured, as a result of which they can be considered as primary nanomaterials [16], which concentrate newgrowths that subsequently combine into a conglomerate with improved physicomechanical and structural characteristics, and the study of the mechanism of CNTs stabilization by sulfonaphthalene formaldehyde makes it possible to explain from the position of colloid chemistry the effect of stabilized CNTs on the formation of the structure of cement stone.
The addition of stabilized CNTs in the composition of cement contributes to the formation of a strong and dense structure of cement stone.
It is established that the structure of the cement stone with CNTs is represented by poorly crystallized scaly calcium hydrosilicates.
Kozlova, Stabilization of Carbon Nanotubes with Superplasticizers Basedon Polycarboxylate Resin Ethers, Russian Journal of Applied Chemistry. 12 (2014) 1872 – 1876
Online since: September 2017
Authors: Petr Tikhonov, Nadezhda Kovalko, Tatiana Egorova, Marina Kalinina, Anastasia Shmigel, Maxim Yu. Arsentev
Computational Identification of a New Form of Li2MnSiO4 for Battery Applications
Maxim Arsentev, a, Marina Kalinina, Petr Tikhonov, Anastasia Shmigel, Nadezda Kovalko and Tatiana Egorova
Institute of Silicate Chemistry, Russian Academy of Sciences, St.
The structures for Li2MnSiO4, Na2CaSiO4 and NaKMnSiO4 respectively were set up as the parent Li2MnSiO4 (P213) structure and entered into the ABINIT code.
ADS (Automatic Description of Structure) module analyses the crystal structure topology and tests structures on isotypism.
(a-c) The P213 structures of Li2MnSiO4, Na2CaSiO4 and NaKMnSiO4.
Solid boxes indicate the unit cells of the structures.
The structures for Li2MnSiO4, Na2CaSiO4 and NaKMnSiO4 respectively were set up as the parent Li2MnSiO4 (P213) structure and entered into the ABINIT code.
ADS (Automatic Description of Structure) module analyses the crystal structure topology and tests structures on isotypism.
(a-c) The P213 structures of Li2MnSiO4, Na2CaSiO4 and NaKMnSiO4.
Solid boxes indicate the unit cells of the structures.
Online since: October 2014
Authors: Xian Cheng Wang, Lei Zhu, Qiu Bao Zhou, Jun Li Chen
The structure of samples was characterized by Fourier transform infrared spectroscopy (FTIR).
Plasma treatment and grafting copolymerization are often used to study surface structures and properties of materials [1,3].
These results will help study the surficial structures and properties of wool fabric.
Plasma combined grafting treatment can both change the structures and improve the wettability and whiteness of wool fabric.
Acknowledgements This work was financially supported by the Zhejiang Provincial Top Key Academic Discipline of Applied Chemistry and Eco-Dyeing and Finishing Engineering (ZYG2011008).
Plasma treatment and grafting copolymerization are often used to study surface structures and properties of materials [1,3].
These results will help study the surficial structures and properties of wool fabric.
Plasma combined grafting treatment can both change the structures and improve the wettability and whiteness of wool fabric.
Acknowledgements This work was financially supported by the Zhejiang Provincial Top Key Academic Discipline of Applied Chemistry and Eco-Dyeing and Finishing Engineering (ZYG2011008).
Online since: December 2022
Authors: Filipa Castro, Fernando Rocha, Beatriz Bernardes, Marta M. Duarte, Ana Leite Oliveira, Anabela Veiga
Silk is composed of a fibrous protein, fibroin, and coated by another protein, sericin, which presents a globular structure.
It is possible to observe a coat-like structure surrounding the particles for these experimental conditions.
Also, this structure or other sericin-based structures can be used as a nutritive medium to transport or preserve cell-loaded particles (ref).
Elliott, Structure and Chemistry of the Apatites and Other Calcium Orthophosphates, 1st Editio., vol. 18.
Elliott, Structure and Chemistry of the Apatites and Other Calcium Orthophosphates, 1st Editio., vol. 18.
It is possible to observe a coat-like structure surrounding the particles for these experimental conditions.
Also, this structure or other sericin-based structures can be used as a nutritive medium to transport or preserve cell-loaded particles (ref).
Elliott, Structure and Chemistry of the Apatites and Other Calcium Orthophosphates, 1st Editio., vol. 18.
Elliott, Structure and Chemistry of the Apatites and Other Calcium Orthophosphates, 1st Editio., vol. 18.
Online since: July 2012
Authors: Xiao Cui Yang, Qi Zhou Zhang, Li Xin Zhang, Ai Min Hao
First-principles investigations on electronic, elastic and thermodynamic properties of VN under high pressure
Aimin Hao1, a, Xiaocui Yang2, Lixin Zhang3, Qizhou Zhang3
1Department of Materials Science and Engineering, Northeastern University at Qinhuangdao, China
2Department of Physics, Baicheng Normal College, China
3College of Physics and Chemistry, Hebei Normal University of Science and Technology, China
aemail: aiminhao1991@yahoo.com.cn
Keywords: Structure transformation; Elastic property; Thermodynamic property; High pressure; Ab initio calculations.
Harrison et al. [2] studied electronic structure and properties of d- and f-shell-metal compounds.
Their results show that the behavior of these materials can be understood on a fundamental level in terms of their electronic band structure.
Calculated equilibrium lattice constant and bulk modulus of VN in the B1and B2 structures are illustrated in Table 1.
Our calculation suggests that there exists a transition from the B1 to B2 structure, which is a second-order phase.
Harrison et al. [2] studied electronic structure and properties of d- and f-shell-metal compounds.
Their results show that the behavior of these materials can be understood on a fundamental level in terms of their electronic band structure.
Calculated equilibrium lattice constant and bulk modulus of VN in the B1and B2 structures are illustrated in Table 1.
Our calculation suggests that there exists a transition from the B1 to B2 structure, which is a second-order phase.
Online since: November 2025
Authors: Oksana Kornienko, Andrey Ragulya, Olena Lavrynenko, Maksym Zahornyi, Nadiya Tyschenko
It should be noted that the intensity of the sorption process of ferrum cations is influenced by the structure (polymorphic modification) of titanium dioxide.
Thus, the obtained structures were preliminarily evaluated for the degradation of both cationic and anionic dyes, yielding satisfactory results.
Shcherban, Effect of surface doping of TiO2 powders with Fe ions on the structural, optical and photocatalytic properties of anatase and rutile, Journal of Physics and Chemistry of Solids. 160 (2022) 110308.
Fansuri, The Structural and Optical Band Gap Energy Evaluation of TiO2-Fe2O3 Composite, The 2nd International Conference on Chemistry and Material Science (IC2MS) IOP Conf.
Jia, Easy control of self-assembly of gold nanoparticles by changing the structure of the capping agent, Colloids Surf.
Thus, the obtained structures were preliminarily evaluated for the degradation of both cationic and anionic dyes, yielding satisfactory results.
Shcherban, Effect of surface doping of TiO2 powders with Fe ions on the structural, optical and photocatalytic properties of anatase and rutile, Journal of Physics and Chemistry of Solids. 160 (2022) 110308.
Fansuri, The Structural and Optical Band Gap Energy Evaluation of TiO2-Fe2O3 Composite, The 2nd International Conference on Chemistry and Material Science (IC2MS) IOP Conf.
Jia, Easy control of self-assembly of gold nanoparticles by changing the structure of the capping agent, Colloids Surf.
Online since: June 2012
Authors: Shuang Jiang Li, Su Yin Dong, Jing Yang Wang
Practices showed the information service platform was useful to help university librarians transforming their knowledge structure and improving the quality of information service.
Symbols and terms database contains massive specialized symbols and terms, such as keyword, naming rules of organic compound and so on in chemistry and the pharmacy part of Chinese attributes list.
The synthesis techniques database provides the required knowledge during the drug synthesis process, such as the molecular structure of chemical entities, physical and chemical properties, synthesis methods, craft routes, bulk drugs, intermediates, and so on.
This is the knowledge retrieval point extracted from the perspective of chemistry and chemical engineering, reflecting the physical and chemical properties of medicine, indications and synthesis techniques.
Furthermore, it explores a feasible road to rapidly transform consultants’ knowledge structure and develop interdisciplinary personalized information service.
Symbols and terms database contains massive specialized symbols and terms, such as keyword, naming rules of organic compound and so on in chemistry and the pharmacy part of Chinese attributes list.
The synthesis techniques database provides the required knowledge during the drug synthesis process, such as the molecular structure of chemical entities, physical and chemical properties, synthesis methods, craft routes, bulk drugs, intermediates, and so on.
This is the knowledge retrieval point extracted from the perspective of chemistry and chemical engineering, reflecting the physical and chemical properties of medicine, indications and synthesis techniques.
Furthermore, it explores a feasible road to rapidly transform consultants’ knowledge structure and develop interdisciplinary personalized information service.