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Browsing by Author "Matveev S."

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Composition, Stability, and Paramagnetic Birefringence of Erbium(III) and Thulium(III) D- and DL-Tartrates

Chevela V.; Semenov V.; Bochkareva S.; Mubarakova L.; Shamov G.; Matveev S. (2000)

pH and paramagnetic birefringence measurements in tandem with mathematical modeling were applied to study the formation of erbium(III) and thulium(III) D- and DL-tartrates. The paramagnetic birefringence constants were ...
Composition, stability, and paramagnetic birefringence of heteronuclear terbium(III) and iron(III) d- And dl-tartrates

Chevela V.; Bezryadin S.; Sal'nikov Y.; Savitskaya T.; Kolesar I.; Matveev S.; Shamov G.; Valiullina R. (1998)

The formation of the heteronuclear terbium(III) and iron(III) d- and dl-tartrates was studied by the proton magnetic relaxation, pH-metric, and paramagnetic birefringence methods in conjunction with mathematical simulation. ...
Composition, structure, and anisotropy of magnetic properties of d- and dℝ-tartrates of Dy3+ from proton magnetic relaxation and magnetic birefringence data

Vul'fson S.; Chevela V.; Sal'nikov Y.; Matveev S.; Vereshchagin A. (1990)

We have determined the composition and stability of d- and dℝ-tartrates of Dy3+. In the pH region 4.0-7.0, we have shown that binuclear particles are formed. The relative stability of isomeric d- and dℝ-tartrates of Dy3+ ...
Dimeric d- and dl-dysprosium(iii) tartrates: paramagnetic birefringence, molecular mechanics, stereoselectivity

Chevela V.; Vul'fson S.; Matveev S.; Salnikov Y.; Semyonov V.; Bezryadin S. (1994)

The molar constants of paramagnetic birefringence (PBR) for the dimeric dysprosium(iii)d- and dl-tartrates, Dy2(d-Tart)(l-Tart)2- (1) and Dy2(d-Tart)2 2- (2) have been determined by means of pH-metric and PBR measurements. ...
Major Conformations of the Ligand Skeleton of a Tetranuclear Dysprosium(III) Tartrate Complex

Chevela V.; Semenov V.; Bezryadin S.; Savitskaya T.; Kolesar I.; Matveev S.; Shamov G. (1999)

The major conformations of the ligand skeleton of the tetranuclear dysprosium(III) complex -bis(d-tartrato)bis(l-tartrato)tetradysprosate ion Dy4(d-L)2 (l-L)4- 2 (I) (d-H4L stands for d-tartaric acid, l-H4L stands for ...
Seasonal radial growth dynamics of Scots pine (Pinus silvestris L.) in Voronezh region (Russia)

Matveev S.; Tishin D.; Maximchuk P.; Zhuravleva I. (2020)

© 2020 Published under licence by IOP Publishing Ltd. One of the insufficiently studied areas in dendroclimatology is the seasonal dynamics of the radial growth of trees in regions with different climatic conditions. The ...
Stereochemistry of Erbium(III) and Thulium(III) Monotartrates in Aqueous Solution

Chevela V.; Semenov V.; Shamov G.; Matveev S.; Ismagilov I.; Mubarakova L.; Bochkareva S. (2000)

The stereochemistry of erbium(HI) and thulium(III) monotartrates LnH2L+ (Ln = Er3+ or Tm3+; H4L is tartaric acid) in aqueous solution is studied by the paramagnetic birefringence method in tandem with molecular mechanics. ...
Stereochemistry of octanuclear dl-tartrate of iron(III) and dysprosium(III)

Chevela V.; Semenov V.; Bezryadin S.; Il'nitskaya T.; Kolesar I.; Matveev S.; Shamov G. (1999)

The paramagnetic birefringence constant is modeled for the octanuclear Fe4Dy4(d-L)4(l-L)4(OH) 2 10- dl-tartrate; the cause for the stereospecific formation of the compound is revealed. © 1999 MAEe cyrillic signK ...
The structures of dimeric stereoisomeric tartrates of iron(III) as determined by molecular mechanics calculations

Chevela V.; Matveev S.; Semenov V.; Bezryadin S.; Savitskaya T.; Gromova I.; Shamov G. (1995)

The stereospecific formation of iron(III) complexes with d- and dl-taric acidsdH4L, dlH4L respectively) is discussed. Molecular mechanics calculations (mind program, model of Dashevsky-Plyamovatyi) are applied to modelling ...

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Browsing by Author "Matveev S."

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