In order to study the coupling effect of bearing vibration on oil whirl, the motion mechanism of bearing vibration is analyzed, and the dynamic equation representing the effect of bearing vibration on oil whirl is established.It is pointed out that bearing vibration will change the Powder Bronzers boundary conditions of lubricating oil film and hen
Malignant transformation of normal gastric cells is a complex and multistep process, resulting in Stove Knobs development of heterogeneous tumours.Susceptible genetic background, accumulation of genetic changes, and environmental factors play an important role in gastric carcinogenesis.Single nucleotide polymorphisms (SNPs) in mitotic segregation g
Background.The necessity for more effective therapies for chronic osteoarticular diseases has led to the development of treatments based on mesenchymal stem cells (MSCs), the natural precursors of musculoskeletal tissue.Treatments with autologous MSCs yielded excellent results, with nearly 70% improvement of pain and disability in osteoarthritis an
ABSTRACTThe genus Sinningia belongs to Stemless the Neotropical tribe Gesnerieae, subtribe Ligeriinae, presently consisting of only three genera, Paliavana, Sinnigiaand Vanhouttea.These genera were separated from a larger concept of tribe Gloxinieae based on phylogenetic studies with molecular data.In Rio Grande do Sul, southern Brazil, 12 species