Disc specimens manufactured from commercial bearing rollers(AISI 52100 steel,62−63 HRC)in initial state and after pre‐treatment by pulsed magnetic field(PMF)with a magnetic field strength of 1−7 MA/m were tested with...Disc specimens manufactured from commercial bearing rollers(AISI 52100 steel,62−63 HRC)in initial state and after pre‐treatment by pulsed magnetic field(PMF)with a magnetic field strength of 1−7 MA/m were tested with sunflower oil using pin‐on‐disk apparatus.According to the obtained results the treatment causes a reduction in the coefficient of friction and wear.To explain the results,nano‐and microhardness tests as well as optical and atomic force microscopy were used.Reasons of the effect of PMF on the friction and wear were discussed.展开更多
A middle-aged man was diagnosed with myelodysplastic/myeloproliferative neoplasm-unclassifiable(MDS/MPN-U),with severe and extensive corticosteroid-resistant Sweet’s syndrome(SS)as the first manifestation,with evide...A middle-aged man was diagnosed with myelodysplastic/myeloproliferative neoplasm-unclassifiable(MDS/MPN-U),with severe and extensive corticosteroid-resistant Sweet’s syndrome(SS)as the first manifestation,with evidence of clinical manifestations,pathological description,and laboratory evaluation.The skin lesions continued to spread despite treatment with systemic corticosteroids but were successfully treated with intravenous immunoglobulin(IVIG).展开更多
基金This research was supported by a Marie Curie International Incoming Fellowship within the 7th European Community Framework Programme.
文摘Disc specimens manufactured from commercial bearing rollers(AISI 52100 steel,62−63 HRC)in initial state and after pre‐treatment by pulsed magnetic field(PMF)with a magnetic field strength of 1−7 MA/m were tested with sunflower oil using pin‐on‐disk apparatus.According to the obtained results the treatment causes a reduction in the coefficient of friction and wear.To explain the results,nano‐and microhardness tests as well as optical and atomic force microscopy were used.Reasons of the effect of PMF on the friction and wear were discussed.
基金the Shandong Provincial Natural Science Foundation(ZR2020MH119,ZR2020MH118)Distinguished Taishan Scholars in Climbing Plan(tspd20210321)+1 种基金National Nature Science Foundation of China(81400118,81700143)the horizontal subject of Shandong University(6010120072).
文摘A middle-aged man was diagnosed with myelodysplastic/myeloproliferative neoplasm-unclassifiable(MDS/MPN-U),with severe and extensive corticosteroid-resistant Sweet’s syndrome(SS)as the first manifestation,with evidence of clinical manifestations,pathological description,and laboratory evaluation.The skin lesions continued to spread despite treatment with systemic corticosteroids but were successfully treated with intravenous immunoglobulin(IVIG).
