Study on the abrasion behavior of carburizing carbonitriding steel for pump body;
碳氮共渗钢水泵体的磨损特性研究
Study on the abrasion behavior of carburizing carbonitriding steel for pump body(continuation);
碳氮共渗钢水泵体的磨损特性研究(续)
Application of water-isolated slurry pump in stope filling of underground rock gold mine;
水隔离浆体泵在岩金地下矿山采场充填的应用
Based on standards GB/T 19409-2003 and JJF 1059-1999,uncertainty in integral water-source heat pump cooling capacity measurement is analyzed.
基于相关性能测试标准和JJF 1059-1999规范,对整体水源热泵样机制冷量测试结果的不确定度进行了分析,建立了空气侧和水侧计算数学模型,对A类和B类不确定度进行了分别评定,结果表明,机组该次测量的不确定相对值为2%。