DALLY 发表于 2025-3-23 12:11:50
Nonlinear Aerodynamics of Wings and Bodies at High Angles of Attack, the surface only at the trailing edge as a plane vortex sheet (Fig. 6.1a). As the angle of attack is increased, the flow tends to separate from the side and trailing edges of the lifting surface and roll-up into concentrated vortices. For relatively sharp edges, the separation manifests itself in tFecal-Impaction 发表于 2025-3-23 15:26:13
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Josef Rom Gurland ., 1980) population studies have reported that 10–15% of the elderly population over the age of 65 suffer from significant depressive symptoms. Despite the high prevalence, only a small proportion of the depressed elderly seek or receive psychiatric help. Williamson . (1964) reported that 7FLAT 发表于 2025-3-24 20:50:13
Josef Rom criteria for defining depression. Gurland (1976) pointed out that milder affective disorders have their greatest incidence between the ages of 35 and 45, while psychotic depression presents for the first time most commonly between the ages of 55 and 65. Post (1982) has reported that first episodes高度表 发表于 2025-3-25 00:39:00
Josef Romck of money, and other factors combine to promote depression. There is a tendency for antidepressant drugs to be prescribed inappropriately under these circumstances, because communication problems and the relative immobility of the elderly make it difficult to offer other forms of help for which re