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Online since: July 2022
Authors: Sergey Viktorovich Fedosov, Tang Van Lam, I.V. Krasilnikov, Ngo Xuan Hung, Boris I. Bulgakov
Forecast of the Durability of Shore Structures Made of Reinforced Concrete
S.V.
It is possible to control this process by influencing the structure of the concrete in the structure.
Series: Chemistry and Chemical Technology 58 1 97-99 (2018)
Мoscow: Chemistry.
Moscow: Chemistry.
It is possible to control this process by influencing the structure of the concrete in the structure.
Series: Chemistry and Chemical Technology 58 1 97-99 (2018)
Мoscow: Chemistry.
Moscow: Chemistry.
Online since: October 2018
Authors: Taishi Yokoi
Various dicarboxylate ions can be incorporated into the crystal structure of octacalcium phosphate (OCP).
However, there are many unclear points regarding the chemistry of OCP with incorporated dicarboxylate ions.
OCP is a very interesting material from the viewpoint of crystal chemistry.
OCP has a layered structure composed of an apatitic layer and hydrated layers.
Fig. 1 Chemical structures of dicarboxylic acids.
However, there are many unclear points regarding the chemistry of OCP with incorporated dicarboxylate ions.
OCP is a very interesting material from the viewpoint of crystal chemistry.
OCP has a layered structure composed of an apatitic layer and hydrated layers.
Fig. 1 Chemical structures of dicarboxylic acids.
Online since: February 2019
Authors: Leonid A. Smirnov, Anatolij A. Babenko, Alena G. Upolovnikova
Upolovnikova
Institute of Metallurgy of Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia
*babenko251@gmail.com
Keywords: slag, viscosity, sulfur, boron, steel, structure, properties.
Materials and Methods of Research Theoretical and experimental studies of physicochemical properties of CaO-SiO2-B2O3 oxide system containing 25% Al2O3 and 8% MgO were carried out using the simplex method of the experimental design [19, 20] and HSC 6.1 Chemistry software (Outokumpu) [21].
Thermodynamic modeling of the equilibrium distribution of sulfur and boron between oxide system and low-carbon metal containing 0.1% C, 0.54% Si, and 0.01% Al was performed using the HSC 6.1 Chemistry software (Outokumpu) [21] with using simplex-lattice planning [19, 20].
Shakhpazov, Physical chemistry of metallurgical slags, Intercontact Science, Moscow, 2008
Roine, HSC 6.0 Chemistry reactions and Equilibrium Software with extensive thermochemical database and Flowshut, Outokumpu research Oy, Pori., 2006
Materials and Methods of Research Theoretical and experimental studies of physicochemical properties of CaO-SiO2-B2O3 oxide system containing 25% Al2O3 and 8% MgO were carried out using the simplex method of the experimental design [19, 20] and HSC 6.1 Chemistry software (Outokumpu) [21].
Thermodynamic modeling of the equilibrium distribution of sulfur and boron between oxide system and low-carbon metal containing 0.1% C, 0.54% Si, and 0.01% Al was performed using the HSC 6.1 Chemistry software (Outokumpu) [21] with using simplex-lattice planning [19, 20].
Shakhpazov, Physical chemistry of metallurgical slags, Intercontact Science, Moscow, 2008
Roine, HSC 6.0 Chemistry reactions and Equilibrium Software with extensive thermochemical database and Flowshut, Outokumpu research Oy, Pori., 2006
Online since: March 2015
Authors: Huan Huan Zhang, Yan Ling Li, Wen Cai Li, Chang Qing Fu
First, glycerol carbonate was synthesized under mild conditions without any solvent, using glycerol and dimethyl carbonate as raw materials by green chemistry way.
The structure of them was characterized by 1H NMR and FTIR.
First, glycerol carbonate was systhesized under mild conditions without any solvent, using glycerol and dimethyl carbonate as raw materials by green chemistry way.
The structure was characterized by 1H NMR and FTIR.
The structure of them was characterized by 1H NMR and FTIR.
First, glycerol carbonate was systhesized under mild conditions without any solvent, using glycerol and dimethyl carbonate as raw materials by green chemistry way.
The structure was characterized by 1H NMR and FTIR.
Online since: May 2018
Authors: Jing Li, Chao Hua, Fang Bai
As a new type of green high efficient solvent and catalyst, deep eutectic solvents (DESs) have become one of the hotspots in the green chemistry field.
The reason is that hydrogen bonds network structure makes molecular fluidity reduce, resulting in viscosity increasing.
[8] FS Oliveira, AB Pereiro, LPN Rebelo, Deep eutectic solvents as extraction media for azeotropic mixtures, Green Chemistry. 15 (2013)1326-1330
[29] K Pang, YC Hou,WZ Wu, Efficient separation of phenols from oils via forming deep eutectic solvents, Green Chemistry. 14 (2012) 2398-2401
Green Chemistry, 9(2007): 169-172 [54] Chunfeng Mao, Rongxiang Zhao, Xiuping Li.
The reason is that hydrogen bonds network structure makes molecular fluidity reduce, resulting in viscosity increasing.
[8] FS Oliveira, AB Pereiro, LPN Rebelo, Deep eutectic solvents as extraction media for azeotropic mixtures, Green Chemistry. 15 (2013)1326-1330
[29] K Pang, YC Hou,WZ Wu, Efficient separation of phenols from oils via forming deep eutectic solvents, Green Chemistry. 14 (2012) 2398-2401
Green Chemistry, 9(2007): 169-172 [54] Chunfeng Mao, Rongxiang Zhao, Xiuping Li.
Online since: April 2009
Edited by: Takashi Goto, Yi Bing Cheng, Zhengyi Fu, Lian Meng Zhang
This special collection of 73 papers covers the intriguing topic of the synthesis and processing of inorganic materials using non-traditional technologies such as SHS, SPS, mechanical alloying, wet chemistry and aerosol deposition; as well as techniques involving laser, microwave, plasma, electron beam and high-field magnetron exposure.
It is divided into chapters covering: Ceramics, Low-Dimensional Materials and Materials with Designed Structure and provides an authoritative and useful introduction to the subject.
It is divided into chapters covering: Ceramics, Low-Dimensional Materials and Materials with Designed Structure and provides an authoritative and useful introduction to the subject.
Online since: April 2005
Authors: O. Joubert, Didier Louis, Nicolas Possémé, Thibaut David, P. Meininger, O. Louveau, T. Chevolleau
In this paper, we present the structure and properties modifications of porous and non-porous MSQ
films under various downstream ash processes.
The same chemical structure is also observed for the as-deposited porous material (LKD5109 TM from JSR).
Then SiO2 and p-SiOCH are etched using a CF4/Ar/CH2F2 gas chemistry during 40 s.
This porous SiOCH has a tri-layer structure made of high/low/high density films and a non-uniform pore distribution.
We still have an intermediate situation for H2/N2 chemistry.
The same chemical structure is also observed for the as-deposited porous material (LKD5109 TM from JSR).
Then SiO2 and p-SiOCH are etched using a CF4/Ar/CH2F2 gas chemistry during 40 s.
This porous SiOCH has a tri-layer structure made of high/low/high density films and a non-uniform pore distribution.
We still have an intermediate situation for H2/N2 chemistry.
Online since: November 2025
Authors: Zi Hao Qiu, Rui Liang, Zi Yang Chen, Rui Meng, Gerile Naren
Arabian Journal of Chemistry, 16(2023)10524-6
Arabian Journal of Chemistry, 13(2020)5864
Inorganic chemistry, 60(2021)13366-13375
Chemistry Select, 7(2022) e202104100
Transition Metal Chemistry, 46(2021)219-230.
Arabian Journal of Chemistry, 13(2020)5864
Inorganic chemistry, 60(2021)13366-13375
Chemistry Select, 7(2022) e202104100
Transition Metal Chemistry, 46(2021)219-230.
Online since: March 2012
Authors: Juha Sarlin, Jani Pelto, Tony Munter, Outi Härkki
Polypropylene and hydrophilic silica nanoparticles have inherently dissimilar surface chemistries and organic modification of the silica is usually needed to achieve good mixing and nanocomposite properties.
According to the physical chemistry laws, the graft chainsshould have exactly the same solution properties (e.g.
Thus the condition of similar chain chemistry for PP is even harderto achieve in practice, and dissimilar chain chemistry has to be accepted.
In the present work the effects of the grafting density and the molecular weight of polyisobutene on silica particle surface to the structure and properties of the polymer nanocompositeare studied.
Theseearly results suggest that PIB oligomers interact with PP in molecular level i.e. they have sufficiently similar molecular structure for partial solubility.
According to the physical chemistry laws, the graft chainsshould have exactly the same solution properties (e.g.
Thus the condition of similar chain chemistry for PP is even harderto achieve in practice, and dissimilar chain chemistry has to be accepted.
In the present work the effects of the grafting density and the molecular weight of polyisobutene on silica particle surface to the structure and properties of the polymer nanocompositeare studied.
Theseearly results suggest that PIB oligomers interact with PP in molecular level i.e. they have sufficiently similar molecular structure for partial solubility.
Online since: May 2009
Authors: Aliassghar Tofighi, M. Sutaria, A. Rosenberg, S. Balata, J. Chang
The composition and structure of bone mineral is
significantly different and distinguished from the high crystalline structure and stoechiometric
hydroxyapatite (HA), and may be represented by 2: Ca8.3(PO4)4.3(HPO4,CO3)1.7(OH,CO3)0.3.
Experimental Methods Wet Chemistry and Powder Processing.
Fully converted cements (after adding physiological saline and incubation at 37 °C for about 15h), confirm the chemical composition and structure of low crystalline apatite, similar to the structure of bone mineral (Figure 6).
The end product of all synthetic family products is a low crystalline carbonated apatite similar to the composition and structure of natural bone.
Rey: The Journal for Inorganic Phosphorus Chemistry, Phosphorus Research Bulletin, Vol. 10, (1999), p. 208
Experimental Methods Wet Chemistry and Powder Processing.
Fully converted cements (after adding physiological saline and incubation at 37 °C for about 15h), confirm the chemical composition and structure of low crystalline apatite, similar to the structure of bone mineral (Figure 6).
The end product of all synthetic family products is a low crystalline carbonated apatite similar to the composition and structure of natural bone.
Rey: The Journal for Inorganic Phosphorus Chemistry, Phosphorus Research Bulletin, Vol. 10, (1999), p. 208