By way of improving the superfinishing process,the appearance quality and surface roughness of steel balls,together with the productivity,were increased.
This article reports a case of herpes associated erythema multiforme, and by way of reviewing rele-vant literature, discusses the possible mechanism, diagnosis, treatment and prognosis of HAEM.
By way of “raising high carbon content and post blowing” as well as recarburization practice can the high carbon steel of fine quality be refined in the converter.
Disease from surrounding structures can invade the masticator space via the pterygopalatine fossa, the buccal space immediately anterior to the ramus, the foramen ovale, or by way of direct invasion.