<正>Effect of rare earth oxide on properties of CaO-MgO-SiO2 system bio-soluble ceramic fibers. Wang Xitang,Liu Hao,Zhang Baoguo,et al. (321-324).-Rare earth ox
<正>GB/T 13245-91 1 Theme and Scope This standard specifies the method abstract, reagents, apparatus, specimen, analyzing procedure, result calculation and perm
The corrosion resistance of four kinds magnesite-chrome bricks against converter salg was investigated by static crucible slag tests. The microstructures of the
<正>This standard is suitable to the fireclay bricks for blast furnace. 1 Classification, Shape and Dimension 1.1 According to physical and chemical indexes, t
<正>GB/T 13246-91 1 Scope This standard specifies the method summary, reagents, apparatus, sampling, procedure, test results calculation and permissible toleran
<正>GB/T 5069.3-2001 1 Scope This standard specifies the gravimetric-molybdenum blue photometric method for determination of silicon dioyide content.This standa