A.V. Purkina : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (34)
Les plus populaires
Liste
- Liste
- Tableau

1

Synthesis of water-soluble biologically active phenol (or catechol) containing copolymers of N-vinyl-2-pyrrolidone

Michael V. Solovskij, Victor M. Denisov, Eugenij F. Panarin, Natalija A. Petukhova, Alla V. Purkina

Journal:

Macromolecular Chemistry and Physics

Année:

1996

Langue:

english

Fichier:

PDF, 590 KB

english, 1996

2

Copolymerizations of N-vinylpyrrolidone and activated esters of unsaturated acids

O.V. Nazarova, M.V. Solovskij, E.F. Panarin, V.M. Denisov, A.S. Khachaturov, A.I. Koltsov, A.V. Purkina

Journal:

European Polymer Journal

Année:

1992

Langue:

english

Fichier:

PDF, 249 KB

english, 1992

3

Interaction of amides with strong organic acids

A. V. Purkina, A. I. Kol'tsov, B. Z. Volchek

Journal:

Journal of Applied Spectroscopy

Année:

1971

Langue:

english

Fichier:

PDF, 583 KB

english, 1971

4

Appearance of secondary structural features of poly-L-alanine in the region of NH stretching vibrations

B. Z. Volchek, A. V. Purkina

Journal:

Journal of Applied Spectroscopy

Année:

1973

Langue:

english

Fichier:

PDF, 287 KB

english, 1973

5

Untersuchung der Orientierung der flüssig-kristallinen Domänen des Poly-γ-benzyl-L-glutamats mittels der IR-Spektroskopie

B. Z. Volček, A. V. Gribanov, A. I. Kolcov, A. V. Purkina, G. P. Vlasov, L. A. Ovsjannikova

Journal:

Colloid & Polymer Science

Année:

1980

Langue:

german

Fichier:

PDF, 318 KB

german, 1980

6

Untersuchung des Einflusses organischer Säuren auf die Eigenschaften der flüssig-kristallinen Poly-(γ-benzyl-L-glutamat) Lösungen

B. Z. Volček, A. V. Gribanov, A. I. Kolcov, A. V. Purkina, G. P. Vlasov, L. A. Ovsjannikova

Journal:

Colloid & Polymer Science

Année:

1980

Langue:

german

Fichier:

PDF, 161 KB

german, 1980

7

Synthesis of 2,5-Bis(ethoxycarbonyl)-1,4-cyclohexanedione Derivatives and Investigation of their Tautomerism

Sergei S. Skorokhodov, Nina M. Geller, Vladimir A. Gindin, Anatolii I. Koltsov, Alia V. Purkina

Journal:

Mendeleev Communications

Année:

1994

Langue:

english

Fichier:

PDF, 128 KB

english, 1994

8

The determination of orientational order in liquid crystalline melts of polydecamethlyne terephthaloyl-dioyxbenzoate

B.Z. Volchek, N.S. Kholmuradov, A.V. Purkina, A.Yu. Bilibin, S.S. Skorokhodov

Journal:

Polymer Science U.S.S.R.

Année:

1985

Langue:

english

Fichier:

PDF, 487 KB

english, 1985

9

Aspects of the structure of aromatic polyesters with mesogenic groups in the main chain in the bulk state

B.Z. Volchek, N.S. Kholmuradov, A.V. Purkina, A.Yu. Bilibin, S.S. Skorokhodov

Journal:

Polymer Science U.S.S.R.

Année:

1986

Langue:

english

Fichier:

PDF, 344 KB

english, 1986

10

Formation of liquid crystalline order in concentrated solutions of semirigid macromolecules

B.Z. Volchek, A.V. Purkina, D.A. Medvedeva, L.A. Ovsyannikova, G.D. Rudkovskaya, G.P. Vlasov

Journal:

Polymer Science U.S.S.R.

Année:

1986

Langue:

english

Fichier:

PDF, 565 KB

english, 1986

11

Determination of order parameters in thermotropic aromatic polyesters containing mesogenic and flexible fragments in the main chain

B.Z Volchek, N.S Kholmuradov, A.V Purkina, A.Yu Bilibin, S.S Skorokhodov

Journal:

Polymer Science U.S.S.R.

Année:

1986

Langue:

english

Fichier:

PDF, 549 KB

english, 1986

12

Formation of mixed thermotropic liquid crystalline systems based on aromatic polyesters with mesogenic and flexible fragments in the main chain

B.Z. Volchek, N.S. Kholmuradov, A.V. Purkina, A.Yu. Bilibin, S.S. Skorokhodov

Journal:

Polymer Science U.S.S.R.

Année:

1987

Langue:

english

Fichier:

PDF, 475 KB

english, 1987

13

Effect of the formation of liquid-crystalline order on parameters of helix-coil conformation transition in poly-γ-benzyl-L-glutamate

B.Z Volchek, D.A Medvedeva, A.V Purkina, L.A Ovsyannikova, G.P Vlasov

Journal:

Polymer Science U.S.S.R.

Année:

1987

Langue:

english

Fichier:

PDF, 367 KB

english, 1987

14

The liquid crystalline state and the mechanism of chain flexibility

B.Z. Volchek, A.V. Purkina, D.A. Medvedeva

Journal:

Polymer Science U.S.S.R.

Année:

1989

Langue:

english

Fichier:

PDF, 389 KB

english, 1989

15

Features of the orientation of thermotropic liquid crystalline systems

B.Z. Volchek, D.A. Medvedeva, A.V. Purkina, S.V. Shilov

Journal:

Polymer Science U.S.S.R.

Année:

1990

Langue:

english

Fichier:

PDF, 413 KB

english, 1990

16

Influence of the liquid crystal state on the conformation of the chains of thermotropic polyesters. Possibility of conformational isomerism in the mesogenic fragment

B.Z. Volchek, A.V. Purkina, S.V. Shilov, A.Yu. Bilibin, A.A. Ten'kovtsev

Journal:

Polymer Science U.S.S.R.

Année:

1991

Langue:

english

Fichier:

PDF, 510 KB

english, 1991

17

Protonation of the amide group in solutions of strong organic acids

B.Z. Volchek, A.V. Purkina

Journal:

Polymer Science U.S.S.R.

Année:

1967

Langue:

english

Fichier:

PDF, 410 KB

english, 1967

18

Role of hydrogen bonds in ordered structure—coil transitions in polypeptides caused by strong organic acids

B.Z. Volchek, A.V. Purkina

Journal:

Polymer Science U.S.S.R.

Année:

1969

Langue:

english

Fichier:

PDF, 403 KB

english, 1969

19

IR spectroscopic study of the secondary structure of polypeptides

B.Z. Volchek, A.V. Purkina

Journal:

Polymer Science U.S.S.R.

Année:

1972

Langue:

english

Fichier:

PDF, 676 KB

english, 1972

20

IR-spectroscopic investigation of the conformational transformations of poly-l-alanine and poly-l-leucine in mixed solvents

B.Z. Volchek, A.V. Purkina

Journal:

Polymer Science U.S.S.R.

Année:

1973

Langue:

english

Fichier:

PDF, 494 KB

english, 1973

21

Potentiometric study of p-benzoquinone polymerization and the structure of the polymer

Yu.V. Medvedev, N.V. Sidorkina, A.I. Kol'tsov, A.V. Purkina, M.M. Koton

Journal:

Polymer Science U.S.S.R.

Année:

1975

Langue:

english

Fichier:

PDF, 420 KB

english, 1975

22

Study of the conformation structure of poly-n-butylisocyanate by IR spectroscopy

B.Z. Volchek, A.V. Purkina, V.N. Nikitin

Journal:

Polymer Science U.S.S.R.

Année:

1976

Langue:

english

Fichier:

PDF, 491 KB

english, 1976

23

An IR spectroscopic investigation of the structure of polyphenylsilsesquioxane

B.Z. Vol'chek, A.V. Purkina, V.N. Nikitin(dec.)

Journal:

Polymer Science U.S.S.R.

Année:

1976

Langue:

english

Fichier:

PDF, 423 KB

english, 1976

24

The effects of organic acids on the properties of poly-(γ-benzyl-L-glutamate) liquid crystals solutions

B.Z. Volchek, A.V. Gribanov, A.I. Kol'tsov, A.V. Purkina, G.P. Vlasov, L.A. Ovsyannikova

Journal:

Polymer Science U.S.S.R.

Année:

1977

Langue:

english

Fichier:

PDF, 433 KB

english, 1977

25

Investigation of the orientation of liquid crystal domains in poly-γ-benzyl-l-glutamate by IR spectroscopy

B.Z. Volchek, A.V. Gribanov, A.I. Kol'tsov, A.V. Purkina, G.P. Vlasov, L.A. Ovsyannikova

Journal:

Polymer Science U.S.S.R.

Année:

1977

Langue:

english

Fichier:

PDF, 461 KB

english, 1977

26

Investigation of mixed liquid crystal polymeric solutions

B.Z. Volchek, A.V. Purkina, L.A. Ovsyannikova, G.P. Vlasov

Journal:

Polymer Science U.S.S.R.

Année:

1979

Langue:

english

Fichier:

PDF, 410 KB

english, 1979

27

Experimental study of the liquid crystal-isotropic solution phase equilibrium on poly-γ-benzyl-L-glutamate in various solvents

B.Z. Volchek, A.V. Purkina, G.A. Lebedev, G.P. Vlasov, L.A. Ovsyannikova

Journal:

Polymer Science U.S.S.R.

Année:

1980

Langue:

english

Fichier:

PDF, 579 KB

english, 1980

28

Experimental investigation of the phase diagrams of concentrated solutions of rigid-chain polymers with various rigidities

B.Z. Volchek, A.V. Purkina, A.A. Merkur'yeva, G.P. Vlasov, L.A. Ovsyannikova

Journal:

Polymer Science U.S.S.R.

Année:

1984

Langue:

english

Fichier:

PDF, 417 KB

english, 1984

29

Pecularities of Liquid Crystalline Order Formation in Polyesters with Irregular Chemical Composition

Purkina, A., Volchek, B., Shilov, S., Medvedeva, D.

Journal:

Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals

Année:

1997

Langue:

english

Fichier:

PDF, 345 KB

english, 1997

30

Liquid Crystalline Ordering in Melts of Thermotropic Polymers with Malonic Acid Fragment in Spacer

Purkina, Alla, Volchek, Boris

Journal:

Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals

Année:

1995

Langue:

english

Fichier:

PDF, 622 KB

english, 1995

31

Conformation, ordering and mobility of macromolecules in aromatic polyesters as studied by IR and solid-state NMR spectroscopy

Koltsov, A. I., Kapralova, V. M., Khachaturov, A. S., Medvedeva, D. A., Shilov, S. V., Purkina, A. V., Volchek, B. Z., Skorokhodov, S. S., Zuev, V. V.

Journal:

Makromolekulare Chemie Macromolecular Symposia

Année:

1993

Langue:

english

Fichier:

PDF, 627 KB

english, 1993

32

Experimental Investigations of the Conditions for the Formation of the Liquid Crystalline State of Polymers

Volched, B. Z., Purkina, A. V., Vlasov, G. P., Ovsynnicova, L. A.

Journal:

Molecular Crystals and Liquid Crystals

Année:

1981

Langue:

english

Fichier:

PDF, 676 KB

english, 1981

33

The models of the denaturation of globular proteins. III. The intramolecular β -structure coil transitions in poly- S -carbobenzoxymethyl- l -cysteine

Anufrieva, E. V., Birshtein, T. M., Bolotina, I. A., Burshtein, L. L., Eskin, V. E., Frolov, V. I., Illarionova, N. G., Kalikhevich, V. I., Korotkina, O. Z., Mitin, Yu. V., Ptitsyn, O. B., Purkinas, A

Journal:

Journal of Polymer Science Part C Polymer Symposia

Année:

1967

Langue:

english

Fichier:

PDF, 1.00 MB

english, 1967

34

Conformational transitions in macromolecules of complex chemical structure during liquid crystalline ordering

Volchek, Boris, Shilov, Sergej, Purkina, Alla, Medvedeva, Darja

Journal:

Macromolecular Symposia

Année:

1997

Langue:

english

Fichier:

PDF, 538 KB

english, 1997