The complexes (PhCH2)2Sn(MBT)2 (2) and (PhCH2)3Sn(MBT) (3) (HMBT: 2-mercaptobenzothiazole) have been synthesized and characterized by elemental analyses, and IR
Mass spectroscopic characteristics of phosphoryl amino acids were studied in detail by positive and negative electrospray ionization mass spectrometry (ESI-MS)
在确定滚动轴承表面波纹度故障27个诊断参数后,用正交试验方法优化内、外环和钢球的诊断参数,得到的结果是CE7,CE41,AC41,CE41J,CE10,CE10J,CE7.5,CE7.5J。
After the 27 diagnostic parameters of the waviness fault on th