МОНГОЛ УЛСЫН СТАНДАРТ Ангилалтын код: 13.080.05 Хөрсний чанар — суурь агуулгыг тодорхойлох удирдамж MNS ISO 19258:2019 Soil quality -- Guidance on the determination of background values ISO 19258:2018
Цемент Цементийн ... ПОРТЛАНД ЦЕМЕНТ - ЕВРОПЕ СТАНДАРТ : en 197-2:2000. portland cement cem i 42.5n portland cement cem i 42.5r portland-composite cement cem ii 42.5n portland-composite cement cem ii 42.5r blastfurnace cement cem iii 42.5n
Abstract. Addition of nano-silica effected to increase the content of calcium hydrasilicate and to decrease the content of calcium oxide for resulting the hydrate cement. Additional mass percent ...