Provided in a portable lamp is a cathode-heatable fluorescent bulb which is supplied from a rechargeable battery. For the purpose of charging, the lamp is coupled with a charging device situated in a region which is not at risk. The charging device is provided with separate connections for the charging voltage and for the application of a heating and starting voltage. At the beginning of the recha...

A method of operating a bale opener arranged for alternating forward and reverse travel along a series of fiber bales and having an opening device including an opening roll for removing fiber tufts from top faces of the fiber bales. The opening roll has unidirectionally inclined teeth. The opening device further has a grate arranged for pressing down on the top faces of the fiber bales and formed ...

A device for simultaneously adjusting at least two pivoted elements, in particular valves used for air distribution in a vehicle heating or air-conditioning system, has an operating unit with a control disc which is connected to a rotary knob and a control groove which is closed upon itself and into which at least two levers engage which are pivotably accommodated by the operating unit and whose p...

A drug delivery composition for intranasal delivery comprises a plurality of bioadhesive microspheres and active drug associated with each microsphere, at least:90 wt % of the microspheres having a diamete r in the range 0.1 .mu.m to 10 .mu.m. The microspheres may be of starch, gelatin, dextran, collagen or albumin. Suitable drugs include peptides, such as insulin, and antigenic vaccine ingredien...

A process for obtaining sorbitol and gluconic acid or gluconate from aqueous glucose/fructose mixtures by using Zymomonas mobilis cells which have been permeabilized by treatment with cationic surfactant is disclosed. The permeabilized cells are preferably obtained by treatment with long-chain quaternary alkylammonium salts such as, in particular, CTAB, Dodigen or Bardac. Surfactant concentrations...