Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.
Classified by the degree of equitability, total assets include circulating assets, long-term investment, fixed assets, intangible assets and deferred assets, and other assets.
The primary etiology of avascular necrosis of the femoral head (AVN) appears to be circulating microemboli that block the microcirculation of the femoral head.