Thermal cyclization of oligomeric amido acids by Tsapovetskii, M.I., Laius, L.A., Zhukova, T.I., Yakopson, S.M.

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Flow birefringence and the equilibrium rigidity of the molecules of some polyamide benzimidazoles in sulphuric acid by Pavlov, G.M., Kozlov, A.N., Yakopson, S.M., Usova, S.V., Efros, L.S.

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Aging of spinning solutions of PM polyamido acid by Karchmarchik, O.S, Yakopson, S.M, Kuznetsova, G.B, Kudryavtsev, G.I, Anisina, N.G, Kralina, I.M, Efros, L.S

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Translational friction and the characteristic visocity of polyamide benzimidazole molecules in solution by Pavlov, G.M., Selyunin, S.G., Shil'dyayeva, N.A., Yakopson, S.M., Efros, L.S., Usova, S.V.

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Effect of reprecipitation on the molecular characteristics of PAK PM polyamidoacid by Karchmarchik, O.S, Kuznetsova, G.B, Lazareva, M.A, Yakopson, S.M, Nefedov, P.P, Shirokova, L.G, Kudryavtsev, G.I

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