00571naa#a2200193#i#450# EN\\bibl\80809 20240919045456.4 2076-0655 20180925b2018####ek#y0engy0150####ca RUS RU Increase in activity of sols and cements by activation in an aqueous medium Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2018 4 с. Journal article local Samchenko S V Hohlov D S Markov N D tsilicates.ru