Objective: Population-based cancer registration data were used to analyze the epidemiology and trend of malignant mesothelioma in China, and the result would pr
Homogeneity and heterogeneity are two totally different concepts in nature. At the particle length scale, rocks exhibit strong heterogeneity in their constituen
Objective: Patients undergoing total gastrectomy for cancer are at risk of malnourishment. The aim of this selfcontrolled study was to examine the effect of jej
This work deals with super-harmonic responses and the stabilities of a gear transmission system of a high-speed train under the stick-slip oscillation of the wh