The explosive increases in the amounts of image (and multimedia) data being generated, processed, and used in several computer applications have necessitated the development of image (and multimedia) database systems. Example applications for image databases include digital libraries, radiological image archives, satellite imagery for earth resources, law enforcement, etc. The classi cation of ...

The past decade has seen a rapid increase in the application of high-resolution imagery and geographic-based information systems across every segment of society from security intelligence to product marketing to scientifi c research. Google Earth has positioned itself at the forefront of this spatial information wave by providing free access to high-resolution imagery through a simple, user-fri...

The mammalian protein siderocalin binds hydroxypyridinone complexes of trivalent rare-earth metals and f-elements through cation-π electrostatic interactions. It can also be fused with biological vectors for the targeted delivery imaging therapeutic radionuclides.

One of the most important features of cell membranes is their capacity to discriminate between ions of different sign or different chemical nature. In the erythrocyte membrane, coulombic forces seem to govern the discrimination between anions and cations. There is reason to believe that, without impeding the movements of anions, positive fixed charges impose a severe restriction on the movement...

The surface properties of fatty acid and fatty acid-alcohol mixtures were examined at 22-24 degrees C. At pH 12, sodium stearate forms a rigid surface film that generates an equilibrium spreading pressure of 16.5 dynes/cm. At pH 12, stearate-alkaline earth cation films collapse at the air-water interface and do not generate significant equilibrium spreading pressures. The rate of film collapse ...

The volume transition induced by monovalent-divalent cation exchange of fully neutralized polyacrylate hydrogels was investigated in aqueous NaCl solutions. The variation of the osmotic swelling pressure, shear modulus, and mixing pressure was measured when Na(+) ions were substituted by divalent or trivalent cations. Alkali metal salts move freely throughout the entirely network, and alkaline ...

SrREGa3O7 melilite ceramics with large rare-earth elements (RE = La to Y) are famous materials especially known for their luminescence properties. Using an innovative approach, the full and congruent crystallization from glass process, transparent polycrystalline small rare earth Dy-Lu have been successfully synthesized characterized. Interestingly, compared classic tetragonal (P421m) structure...