Thermal Cycles and Deformation Characters During High-Speed Micro Friction Stir Welding Process of AA7075-T6 Sheets

Thermal cycles and deformations during high-speed micro friction stir welding (μFSW) under different welding conditions were studied by experimental methods.The results show that the peak temperature and elevated-temperature exposure time (t150) increased with the increasing of rotational speed and decreased with the increasing of welding spee

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From brain to testis: immune escape and clonal selection in a B cell lymphoma with selective out-growth in two immune sanctuariesy

We describe a patient with a primary diffuse large B-cell lymphoma of the central nervous system who developed a localized testicular relapse after 8 years.Both tumours lacked HLA-DR expression, the relapse additionally lost HLA class I expression.Immunoglobulin heavy chain gene rearrangements were identical in both lymphomas with extensive better

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