Abstract: The present invention provides a two-stage process for removing polyunsaturated hydrocarbons from C4 hydrocarbon streams that, in addition to C4 hydrocarbons, also contain C5 hydrocarbons and mercaptans and/or disulfides.

Abstract: In a method for computer-assisted operation of a memory unit, encoded data is saved in the memory unit. The data is retrieved and decoded after retrieval. The memory unit is monitored for errors in that a temporal sequence of computer-assisted checking operations is carried out for the memory unit. For first-time encoding of the data, each required application data set is generated or selected, containing check data segments. For each application data set, the check data segment is occupied by count data, which characterizes the checking operation being implemented. After retrieving and decoding the application data sets, an error is determined when the count data characterizes neither the checking operation being implemented nor the most recent completely implemented checking operation. The check data segment of the relevant application data set is occupied by count data, which characterizes the checking operation being implemented, if no error was determined.

Abstract: In a method for computer-assisted operation of a memory unit, data is saved in the memory unit and the data is encoded before saving, or data is retrieved from the memory unit and the data is decoded after retrieval. For first-time encoding of the data, at least one group of application data sets, containing data segments having identical application data for an application program and check data segments having different diversity characteristic data respectively, is generated or selected from a supply of possible diversity characteristic data. Each application data set is encoded and saved. The data is retrieved in that the application data sets are retrieved and decoded. Data is saved in that the application data sets are encoded and saved. Furthermore, a method for computer-assisted, repeated execution of an application program in redundant computing instances, a computer program product and a provision apparatus are disclosed.

Abstract: In a method for computer-assisted operation of a memory unit, encoded data is saved in the memory unit. The data is retrieved and decoded after retrieval. The memory unit is monitored for errors in that a temporal sequence of computer-assisted checking operations is carried out for the memory unit. For first-time encoding of the data, each required application data set is generated or selected, containing check data segments. For each application data set, the check data segment is occupied by count data, which characterizes the checking operation being implemented. After retrieving and decoding the application data sets, an error is determined when the count data characterizes neither the checking operation being implemented nor the most recent completely implemented checking operation. The check data segment of the relevant application data set is occupied by count data, which characterizes the checking operation being implemented, if no error was determined.

Abstract: A method performs a computer-assisted creation of a test algorithm for processing applications in a computing environment for executing a large number of application programs, by taking into account configuration data for the application programs. For each application program, a data segment is formed and the configuration data referring to the relevant application program is combined as a data segment. The data segments are combined in a data set. A global ID code is assigned to the data set. Participating components of the computing environment are identified, and an ID code assigned to them. A hash function is applied to each of the data segments contained in the data set. A calculation function is applied to each data segment in that the ID codes, the hash value of the relevant data segment and the global ID code are linked together by computational operators.

Abstract: A railway automation network includes a publish/subscribe system with at least one transmitter-end application, at least one transmitter-end message broker, at least one receiver-end message broker and at least one receiver-end application. The at least one transmitter-end message broker is configured to map a message published by the transmitter-end application or one of the transmitter-end applications onto at least two redundant, at least partially physically independent network paths of the railway automation network on the basis of a subject specified in the message. The railway automation network is configured to transmit the message to the receiver-end message broker or at least one of the receiver-end message brokers simultaneously over the at least two network paths. The receiver-end message broker is configured to transmit the message to the at least one receiver-end application. A method for transmitting messages in a railway automation network is also provided.

Abstract: An apparatus is disclosed which simultaneously coats opposed lateral faces of shaped parts with an adhesive material. Such apparatus comprises conveying means for advancing the shaped part in an upright position along a predetermined path. First means are embodied for purposes of pressing the shaped part into firm engagement with the conveying means. A pair of spaced apart extrusion nozzles is envisioned with each one having a port laterally aligned to the other and being disposed on opposite sides of the advancing shaped part for applying adhesive material to each of the corresponding lateral faces of such shaped part. This apparatus envisions that the first means at least guides and maintains the shaped part in a centered position such that it can pass between the two extrusion nozzles. The first means serves to press the shaped part in a direction perpendicular to a line between the aligned extrusion nozzle ports.