The coal resources in western China are mainly Jurassic coal fields, and the Jurassic coal measure strata are generally affected by roof composite water, so the water-rich evaluation of roof sandstone aquifer FOR HIM is the premise of safe mining.Taking Longde Coal Mine as the research object, the pore structure characteristics of sandstone were an
Modeling of spatial variations of growth within apical domes by means of the growth tensor. II. Growth specified on dome surface
Variations of the elemental relative rate of growth are modeled for parabolic, elliptic and hyperbolic domes Baby Soother of shoot apices by using the growth tensor in a suitable curvilinear coordinate system when the mode of area growth on the dome surface is known.Variations of growth rates within the domes are obtained in forms of computer-made