The relation between the melting point of Portland cement raw meal and its heating rate have been studied. The raw meal was burnt at different heating rate rang
The multifunction of SrTiO<sub>3</sub> ceramics pre-pared by a single-sintering process is investigated. It is foundthat both the oxidizing annealing temperatur
This paper deals with the test research onnoise and fatigue life of the composite rolling bearings whichhave been developed recently. The test results show that
The comminution mechanism of hard kaolin from Enshi District in China Hubei Province is investigated through applying comminution theory and basing on the ore p