Some vehicles use brake shoe made from semi-metallic materials.Semi-metallic brake shoes are made from a combination of metallic and non-metallic materials.Metallic particles are added in the formulation of brake shoe material to improve composites characteristics.In this paper, friction behaviors of brake shoe material using metallic filler were i

Pilomatricoma (PMC) is a relatively uncommon benign skin neoplasm arising from the skin adnexa.Since the first description of PMC in 1880, there has been a gradual increase in understanding of the morphologic features and clinical presentation of this tumor.However, difficulties still persist in making clinical and cytologic diagnosis.We report the

We observe MHz-level periodic self-sustained pulsation (SSP) in the transmission spectrum of a polydimethylsiloxane (PDMS) spherical microcavity Yoto Card - Bedtime on a silicon chip, under a fixed-frequency continuous laser excitation.The SSP results from the strong competition between the thermo-optic and thermal expansion effects of PDMS within