Wednesday, March 27, 2024
Saturday, January 13, 2024
Monday, January 2, 2023
氧气转炉炼钢中所谓“火点”区是指()A、氧气流股与周围炉气作用区域B、转炉底吹气流与钢液作用区域C、氧气流股与周围泡沫渣作用区域D、氧气流股冲击金属熔池形成的作用区域...
Wednesday, March 27, 2024
Saturday, January 7, 2023
Tuesday, January 9, 2024
Friday, December 9, 2022
Tuesday, March 26, 2024
Tuesday, January 31, 2023
Sunday, December 24, 2023
Tuesday, March 26, 2024
Tuesday, March 26, 2024
Tuesday, February 6, 2024
Sunday, May 21, 2023
Thursday, January 18, 2024
氧气转炉炼钢过程发生的乳化、泡沫可以(),因而可以加快渣-铁间反应A、增加渣-铁间接触面积B、提高炉渣温度C、提高炉渣氧化铁含量D、减少渣-铁间接触面积...
Tuesday, February 6, 2024
Sunday, May 21, 2023
高炉中唯一存在的氧化性区域为()A、滴落带B、软熔带C、风口回旋区D、炉缸区...
Tuesday, January 9, 2024
Wednesday, March 27, 2024
目前炼钢过程希望的铁水Si含量一般为多少,铁水硅含量的高低对转炉冶炼会产生什么影响。...
Thursday, October 12, 2023