A novel electromagnetic tomography(EMT) system for defect detection of high-speed rail wheel is proposed, which differs from traditional electromagnetic tomogra
Cyclic nucleotide phosphodiesterases (PDEs) hydrolyze the second messengers adenosine and guanosine 3, 5-cyclic monophosphates (cAMP and cGMP) to 5-AMP and
To shorten the process of face gears, the grinding-hardening effect experiment of face gears under minimum quantity lubrication(MQL) was carried out. Firstly, t