… 7) corresponds to vibrations of C single bond O single bond H and C single bond O
single bond C bonds in the pyranose rings of polysaccharides. In FTIR spectrum 2, which …

The authors discuss functional characterization of Mousterian tools on the basis of their use-wear
and residue analysis of five lithic tools from Mezmaiskaya cave and Saradj-Chuko …

The review deals the use of Raman spectroscopy for analysis of various objects of petroleum
chemistry: crude oils, petroleum products, oil-bearing rocks, petrochemical process …

… –OH and C = O (in imide cycle) groups, ie it is capable of being engaged in specific non-covalent
interactions with one or both components of the former intramolecular associate of PI. …

Thermal rearrangement of polyimides with OH side groups results in insoluble products (TR
polymers) that reveal extremely high gas permeability combined with good permselectivity. …

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Abstract Changes in the biota of the Aral Sea can only be understood from knowledge of the
palaeolimnology of this lake. The evolution of a terminal lake in arid and semi-arid areas …

The thermochemical transformation of polyimides with one hydroxyl group in a diamine
fragment that leads to changes in the polymer structure is studied. It is found that in an inert …

… Rusakova, OM 1995. Brief characteristic of qualitative content of phytoplankton of the Aral
Sea in spring and autumn 1992. Proceedings of the Zoological Institute, Russian Academy of …

Cultural diplomacy is known to be an essential type of modern diplomacy used by states to
promote their interests, improve mutual understanding and increase the effects of soft power. …