Coal distillates with boiling point below 360 ºС produced by liquid-phase coal hydrogenation contain substantial amounts of sulfurous (S = 0.4–0.8 %), nitrous (N = 0.2–0.5 %), oxygenous (О = 1.5–2 %) and unsaturated compounds ...

In the present work, the multiferroic material Bi0.8Dy0.2MnO3 was synthesized by the Pechini method for its further study. As starting materials, bismuth oxide, manganese oxide, dysprosium oxide, nitric acid and urea were ...

It is shown that the influence of the ultrahigh-frequency electromagnetic field on purified water leads to a significant increase in its electrical conductivity and pH. The effect can be interpreted as a change in ...

A historical monument on the top of the Altynshoky hill, first described by Academician K.I. Satpayev in 1935, consists of the so-called «Timur’s Stone» and the mound, in the embankment of which there is a melted rock, ...

Alkylglycolurils are promising class of organic compounds characterized by a wide spectrum of psychopharmacological activity such as tranquilizing, neuroleptic, antidepressant and psychostimulating. However, there are ...

In the first part of this investigation (Part I), cone conformers of calix[4]arenes with methylene and heteroatom bridges from the Cambridge Structural Database (CSD) were investigated, in the second part (Part II) ...