The mathematical ignition model was established and researches of Ignition dynamic parameters for cote in some typical coal samples from cement plants was carri
Activating conditions of sepiolite are studied by determining specific surface method. Sepiolite is used in processing filter tip of cigarette of acetate silk a
The effects of the grinding mode,fineness, gypsum kinds and dosage, mix proportions on properties of the composite cements consisting of slag,fly ash, limestone