Abstract: A digital content distribution framework is provided. According to one embodiment, a digital content distribution system, such as a software distribution system, includes a credentialing authority, an access control component, and a digital content distribution system interface for each participant in the system. The credentialing authority component is configured to receive encryption keys associated with the participants and assign each of the participants an identity certificate for use during subsequent interactions with components of the digital content distribution system. The access control component is configured to maintain information regarding access rights of the participants to digital content accessible via the digital content distribution system.

Abstract: The present invention provides methods of treating proteinuria, and treating renal disorders associated with proteinuria, the methods generally involving administering to an individual having such a disorder an effective amount of retinoic acid receptor agonist or a retinoid X receptor agonist.

Abstract: A tunnel shaped stoker hearth comprises a lower U-shaped portion (42) made conventionally as a double walled steel construction having injection holes (46) for combustion air in the inner wall thereof, and a top portion (48), which is made of a ceramic material, whereby, in operation, the top portion of the tunnel hearth is kept red or white glowing for effective combustion of the fuel and the gases as escaping therefrom.