问题:检验机构应如何根据GB 23971-2009和GB 24747-2009两个标准进行有机热载体的检验检测?...
Wednesday, February 12, 2025
问题:在用有机热载体低沸物含量过高对锅炉及传热系统有何危害?...
Thursday, June 26, 2025
Thursday, June 26, 2025
Wednesday, February 12, 2025
Saturday, June 21, 2025
Thursday, June 19, 2025
问题:根据GB/T7631.2-1994规定,有机热载体分哪几类?其主要区别和适应性怎样?...
Friday, November 29, 2024
Sunday, September 29, 2024
Sunday, September 29, 2024
Thursday, June 26, 2025
Wednesday, February 19, 2025
Thursday, May 1, 2025
问题:有机热载体检测中,哪些试剂为易燃、易爆物质,如何保存及防火、灭火措施?...
Friday, March 14, 2025
Thursday, June 26, 2025
Wednesday, February 19, 2025
Friday, March 14, 2025
问题:如何防止因氢氧化钾标准溶液浓度受空气中的二氧化碳影响而造成有机热载体酸值测定误差。...
Wednesday, February 12, 2025