<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
B4C was added into the low-carbon MgO-C materials in order to improve the oxidation resistance. The results show adding 0.3wt% B4C can get the best oxidation re
<正>Authored by: Dr. Kiyoshi Sugita, ex-Nippon Steel Fellow Published by: Seizando Publishing Co., Tokyo, Japan (E-mail: [email protected] ) in March, 2