Previously unknown in the literature, complexes of hexamethylenetetramine (HMTA) with tungsten silicates of the composition Rb5[SiW11O39Fe(HMTA)]?20H2O, Cs5[SiW11O39Fe(HMTA)]?6H2O, Rb6[SiW11O39Zn(HMTA)]?12H2O, ...
The article is devoted to the development of an original production method for estimating the specific energy of destruction of ceramic compositions of the “abrasive grain–ceramic binder–pores” system. ...
Three batches of unidirectional basalt fiber-reinforced plastic were fabricated as plates, and continued tests were performed under load at room temperature and in a closed desiccator at a 99 % moisture ...
