low molar ratio of CaO to SiO2
Molar ratio of calcia and γ-alumina
molar ratio of Cu to Ni
Molar ratio of Fe to Mo
molar ratio of inorganic precursor
molar ratio of OH~-to Zn~(2+)
molar ratio of OH-to Zn2+
Molar ratio of raw materials
molar ratio of silica to alumina
the molar ratio of TiO2 and ZnO
determinator of ratio of specific heat of gas
Invariability of Ratio of Areas
mass ratio of Al2O3 and SiO2
refractories of Al2O3-SiO2 system
Degree of molar etherification
degree of molar substitution
Distal movement of molar