Abstract: In an embodiment a method for producing a growth substrate includes providing a polycrystalline substrate having a nitride compound semiconductor material, applying at least one surface layer onto a main surface of the polycrystalline substrate, wherein the at least one surface layer comprises a nitride compound semiconductor material, and wherein the at least one surface layer is configured for epitaxial growth of an epitaxial semiconductor layer sequence, and high-temperature annealing of the polycrystalline substrate with the at least one surface layer applied thereto.

Abstract: A method for detecting and preventing leaks of a double-walled container for the storage of poisonous, caustic, irritant and/or combustible media utilizes a double-walled container with an inner wall and an outer wall. A cavity is formed between the inner wall and the outer wall, a positive pressure is generated in the cavity, and in the event of a leak of the inner wall, a gas is fed to the cavity in order to maintain a positive pressure in the cavity. A container system includes an open-loop/closed-loop control device for the open-loop/closed-loop control of a gas throughflow in a line. The system includes a pressure measuring unit for measuring the pressure in the cavity of the double-walled container.

Abstract: A sensor assembly for an agricultural work vehicle includes a housing, one or more sensor units mounted or otherwise supported by the housing, one or more fixation points for coupling the housing to a roof assembly of the agricultural work vehicle, and an electrical interface providing an electrical connection between the one or more sensor units and one or more electrical systems of the agricultural work vehicle.

Abstract: In a method for protecting vehicle occupants in the passenger compartment of a vehicle, particularly a motor vehicle. It is provided as essential to the invention that at least one structure-borne sound signal is captured by at least one structure-borne sound sensor, the captured structure-borne sound signal is evaluated by at least one evaluation device, the structure-borne sound signal can be produced by at least one person located in the passenger compartment of the vehicle, and after the capture and evaluation of the structure-borne sound signal at least one control signal is sent to a triggering device of an air supply device to introduce air into the passenger compartment of the vehicle.

Abstract: In a method for wireless communication between a vehicle, particularly a motor vehicle, and an external service facility, wherein at least one communication signal is sent to the vehicle by the service facility, it is provided as essential for the purposes of the invention that the communication signal is a sound signal, and that the communication signal is captured by at least one structure-borne sound sensor installed in the vehicle.

Abstract: With a method for detecting a contact event on the outer shell of a vehicle, wherein at least one structure-borne sound signal is detected by means of a structure-borne sound sensor, the detected structure-borne sound signal is evaluated by an evaluation device, and wherein the vehicle comprises a number of structure-borne sound sensors, it is provided as essential to the invention that each of the structure-borne sound sensors is associated with an area of the vehicle outer shell via a structure-borne sound conducting link, that an evaluation device is used to ascertain, by which of the structure-borne sound sensors respectively, a structure-borne sound signal has been detected, that conclusions are drawn from the association of the structure-borne sound sensors as to the area of the vehicle outer shell which has been touched, and that conclusions are drawn from the area of the vehicle shell which has been touched, as to the kind of underlying contact.

Abstract: A charger for a motor vehicle and to a method for charging an energy store of the motor vehicle.

Abstract: In a method for wireless communication between a vehicle, particularly a motor vehicle, and an external service facility, wherein at least one communication signal is sent to the vehicle by the service facility, it is provided as essential for the purposes of the invention that the communication signal is a sound signal, and that the communication signal is captured by at least one structure-borne sound sensor installed in the vehicle.

Abstract: In a method for protecting vehicle occupants in the passenger compartment of a vehicle, particularly a motor vehicle. It is provided as essential to the invention that at least one structure-borne sound signal is captured by at least one structure-borne sound sensor, the captured structure-borne sound signal is evaluated by at least one evaluation device, the structure-borne sound signal can be produced by at least one person located in the passenger compartment of the vehicle, and after the capture and evaluation of the structure-borne sound signal at least one control signal is sent to a triggering device of an air supply device to introduce air into the passenger compartment of the vehicle.

Abstract: With a method for detecting a contact event on the outer shell of a vehicle, wherein at least one structure-borne sound signal is detected by means of a structure-borne sound sensor, the detected structure-borne sound signal is evaluated by an evaluation device, and wherein the vehicle comprises a number of structure-borne sound sensors, it is provided as essential to the invention that each of the structure-borne sound sensors is associated with an area of the vehicle outer shell via a structure-borne sound conducting link, that an evaluation device is used to ascertain, by which of the structure-borne sound sensors respectively, a structure-borne sound signal has been detected, that conclusions are drawn from the association of the structure-borne sound sensors as to the area of the vehicle outer shell which has been touched, and that conclusions are drawn from the area of the vehicle shell which has been touched, as to the kind of underlying contact.

Abstract: In a method for activating at least one functional device of a vehicle, it is provided as essential to the invention that at least one structure-borne sound signal caused by a vehicle user on the vehicle shell of the vehicle is detected with at least one structure-borne sound sensor, that the structure-borne sound signal is analysed by means of an evaluation device for the presence of a specific signal pattern, that a specific functional device of the vehicle is assigned to the signal pattern and that on detecting the specific signal pattern a control signal is sent to the functional device assigned to the signal pattern.

Abstract: A charger for a motor vehicle and to a method for charging an energy store of the motor vehicle.

Abstract: A method for the production of nanodispersions, in which at least two metered partial streams are brought together in such a way that they are subject to thorough mixing caused by turbulence. The partial streams have a flow rate in the range from 0.1 to 500 ml/h and the mixed stream has an overall flow rate in the range from 1 ml/h to 500 ml/h. The turbulent mixing leads to the formation of a disperse phase in a continuous phase with a dispersity of 0.1 to 5000 nm. Another object of the invention is a method for the in-situ formulation of a pharmaceutical dispersion, with in-line application of the pharmaceutical dispersion.

Abstract: The invention relates to novel copolylactides which have been polymerized from units of racemic lactide and the comonomers &egr;-caprolactone, &dgr;-valerolactone, 1,4-dioxan-2-one or 1,3-dioxan-2-one in a lactide/comonomer molar ratio of 90-80/10-20 in the presence of tin(II) di(ethylhexanoate) as initiator and of a cocatalyst at about 160° C., and have a glass transition temperature between 30 and 43° C., a molecular weight Mn of from 15,000 to 50,000 and a polydispersity Pn (Mw/Mn) between 1.2 and 2. The novel copolylactides are particularly suitable in an outstanding manner for the management of all types of wounds.

Abstract: The invention relates to the use of absorbable physiologically acceptable sheets of copolymers for preventing postoperative adhesions after surgical procedures and is characterized in that the sheets consist of racemic lactide and .epsilon.-caprolactone, .sigma.-valerolactone, .tau.-decalactone or .beta.-hydroxybutyric acid, prepared by reacting the monomers in the molar ratio of lactide to partner in the reaction of from 90 to 70 30 to 10 with the addition of metal carboxylates which are known per se as initiator, with a ratio of partner in the reaction to initiator of from 300:1 to more than 1000:1 at temperatures of 130.degree.-150.degree. C. over a period of 24 to 96 hours.

Abstract: The invention relates to the use of copolymers of racemic lactide and .epsilon.-caprolactone, .delta.-valerolactone, gamma-decalactone or .beta.-hydroxybutyric acid, prepared by the reaction of the monomers in the molar ratio of lactide to reaction partner of approximately 95-70 to 5-30, with the addition of metal carboxylates, known per se, as initiators at temperatures of approximately 150.degree. C. over a period of time of approximately 16 to 18 hours, for the topical treatment of human or animal skin.

Abstract: The invention relates to the use of copolymers of racemic lactide and .epsilon.-caprolactone, .delta.-valerolactone, gamma-decalactone or .beta.-hydroxybutyric acid, prepared by the reaction of the monomers in the molar ratio of lactide to reaction partner of approximately 95-70 to 5-30, with the addition of metal carboxylates, known per se, as initiators at temperatures of approximately 150.degree. C. over a period of time of approximately 16 to 18 hours, for the topical treatment of human or animal skin.