Abstract: The invention refers to an apparatus (110) for predicting a technical application property for a polymer based on a digital representation of the polymer. A digital representation providing unit (111) provides a digital representation of the polymer indicative of polymer descriptors. The polymer descriptors are indicative of parameters quantifying physicochemical characteristics of subgroups of the polymer. A prediction model providing unit (112) provides a prediction model adapted to predict a technical application property of the polymer based on the digital representation, wherein the prediction model is a data-driven model parametrized such that it predicts based on the polymer descriptors indicated by the digital representation the technical application property associated with the polymer. A property determination unit (113) determines the technical application property based on the provided digital representation of the polymer and the prediction model.

Abstract: The present invention relates to a biodegradable lamination film having the A/B layer structure, where layer A of thickness 0.5 to 7 ?m comprises a polyurethane or acrylate adhesive; and where layer B of thickness 5 to 150 ?m comprises an aliphatic polyester and/or aliphatic-aromatic polyester, where the aliphatic-aromatic polyester is of the following composition: b1-i) 30 to 70 mol %, based on components b1-i and b1-ii, of a C6-C18 dicarboxylic acid; b1-ii) 30 to 70 mol %, based on components b1-i and b1-ii, of terephthalic acid; b1-iii) 98 to 100 mol %, based on components b1-i and b1-ii, of propane-1,3-diol or butane-1,4-diol; b1-iv) 0% to 2% by weight, based on components b1-i and b1-iii, of a chain extender and/or branching agent.

Abstract: A computer-implemented method for solar energy disaggregation at a node of a distribution system includes obtaining first data including samples of averaged net power measured by a meter installed at the node and second data including samples of solar irradiation local to the node averaged over intervals temporally correlated with the first data. A physics-based model of the node is trained using the first and second data, to optimize a set of model parameters. The physics-based model is defined such that an average net power includes a composite of an average solar generation and an average power consumption at the node and the average solar generation is modeled as a function of an average solar irradiation. An aggregate solar generation at the node is estimated/predicted from actual irradiation data/irradiation forecast data local to the node using a model parameter optimized by the training.

Abstract: A method includes receiving, by an audio receiver device, a first audio stream from a first audio streaming device, wherein the first audio stream comprises a plurality of frames each comprising at least one audio packet slot for at least one audio packet; and scanning, by the audio receiver device, while receiving the first audio stream from the first audio streaming device, during at least one scan window for packets transmitted from a second audio streaming device in a second audio stream. The scanning takes place in manner so as to enable reception of at least one audio packet per frame of the first audio stream by preventing collision of the at least one scan window with at least one audio packet slot per frame of the first audio stream.

Abstract: The present disclosure is related to a surfactant comprising at least one C8 to C30 branched alkanol alkoxylate, a process for the preparation of the surfactant, an article comprising the surfactant, and a use of the surfactant. Also disclosed are readily biodegradable surfactants obtained from branched aliphatic alcohols and including a polyethylene oxide block.

Abstract: The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C4-C36 dicarboxylic acid or a mixture of a plurality of aliphatic C4-C36 dicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.

Abstract: A method and device which operates to record and evaluate an output of electrical energy of a hybrid power plant, wherein, in accordance with time and/or load, at least one expected generable and usable energy contribution resulting from the utilization of renewable energy sources and one expected energy contribution resulting from the utilization of convention energy carriers are recorded with different tariffs.

Abstract: A method includes receiving, by an audio receiver device, a first audio stream from a first audio streaming device, wherein the first audio stream comprises a plurality of frames each comprising at least one audio packet slot for at least one audio packet; and scanning, by the audio receiver device, while receiving the first audio stream from the first audio streaming device, during at least one scan window for packets transmitted from a second audio streaming device in a second audio stream. The scanning takes place in manner so as to enable reception of at least one audio packet per frame of the first audio stream by preventing collision of the at least one scan window with at least one audio packet slot per frame of the first audio stream.

Abstract: The present invention relates to a process for producing a (co)polyester, wherein the (co)polyester at least partially consists of 1,4-butylene dicarboxylate units, in a degassing plant, wherein the crude (co)polyester is degassed in the presence of 0.1% to 5% by weight, based on the total weight of the input materials, of an entraining agent at a pressure between 5 to 300 mbar.

Abstract: There is provided an audio transmission method, comprising: wirelessly connecting an audio receiver device to a first audio streaming device; transmitting a first audio stream from the first audio streaming device using a first protocol to the audio receiver device, wherein at least one audio data packet is transmitted in each frame in at least one audio packet slot; and scanning, by the audio receiver device, while receiving the first audio stream from the first audio streaming device, during at least one scan window (S) for frequency hopping synchronization (FHS) packets (F) transmitted from a second audio streaming device in a second audio stream using a second protocol. The scanning activity enables reception of at least one audio packet per frame of the first audio stream by preventing collision of the at least one scan window with at least one audio packet slot (A) per frame (R).

Abstract: The invention relates to polyesters containing: A) an acid component composed of: a1) 25 to 100 mol % of 2,5-furandicarboxylic acid or its esters or mixtures thereof a2) 0 to 75 mol % of an aliphatic C4-C36-dicarboxylic acid or its esters or mixtures thereof and a3) 1 to 10 mol % of a sulfonate-containing compound, wherein the mol percentages of the components a1) to a3) sum to 100, and B) a diol component composed of: b1) 98 to 100 mol % based on the components a1) to a3) of component A of a C2- to C12-alkanediol or mixtures thereof and b2) 0 to 2 mol % based on the components a1) to a3) of a branching agent comprising at least 3 functional groups; and optionally further components. The invention further relates to the production of the polyesters and the use thereof and to aqueous dispersions and polyester mixtures comprising these polyesters.

Abstract: There is provided an audio transmission method, comprising: wirelessly connecting an audio receiver device to a first audio streaming device; transmitting a first audio stream from the first audio streaming device using a first protocol to the audio receiver device, wherein at least one audio data packet is transmitted in each frame in at least one audio packet slot; and scanning, by the audio receiver device, while receiving the first audio stream from the first audio streaming device, during at least one scan window (S) for frequency hopping synchronization (FHS) packets (F) transmitted from a second audio streaming device in a second audio stream using a second protocol. The scanning activity enables reception of at least one audio packet per frame of the first audio stream by preventing collision of the at least one scan window with at least one audio packet slot (A) per frame (R).

Abstract: The present invention relates to a polyester consisting of (A) repeat units derived from an acid component, which consists of (a1) 2,5-furandicarboxylic acid, (a2) an aliphatic C4-C36 dicarboxylic acid or a mixture of a plurality of aliphatic C4-C36 dicarboxylic acids, and (a3) a sulfonate group-containing dicarboxylic acid, and of (B) repeat units derived from a di-ol/amine component, and optionally of further repeat units (C) and/or branching components (E), and of (D) repeat units derived from at least one di- or oligofunctional compound selected from the group consisting of a di- or oligoisocyanate and a di- or oligoisocyanurate. In addition, the present invention relates to the production of these polyesters and their use.

Abstract: The present disclosure is related to a surfactant comprising at least one C8 to C30 branched alkanol alkoxylate, a process for the preparation of the surfactant, an article comprising the surfactant, and a use of the surfactant. Also disclosed are readily biodegradable surfactants obtained from branched aliphatic alcohols and including a polyethylene oxide block.

Abstract: The invention relates to polyesters consisting of: A) an acid component composed of: a1) 25 to 100 mol % based on the components a1) and a2) of 2,5-furandicarboxylic acid or its esters or mixtures thereof a2) 0 to 75 mol % based on the components a1) and a2) of an aliphatic C4-C36-dicarboxylic acid or its esters or mixtures thereof and a3) 1 to 10 mol % based on the components a1) to a3) of a sulfonate-containing compound, wherein the mol percentages of the components a1) to a3) sum to 100, and B) a diol component composed of: b1) 98 to 100 mol % based on the components a1) to a3) of component A of a C2- to C12-alkanediol or mixtures thereof and b2) 0 to 2 mol % based on the components a1) to a3) of a branching agent comprising at least 3 functional groups; and optionally further components. The invention further relates to the production of the polyesters and the use thereof and also to aqueous dispersions and polyester mixtures comprising these polyesters.

Abstract: Provided is a premagnetization device for a converter system that is connectable to a three-phase electrical grid that has a three-phase power transformer, a converter connected to the power transformer and a circuit-breaker on the grid side of the power transformer. The premagnetization device is premagnetizes the power transformer in a state isolated from the grid. The premagnetization device uses a single-phase reference voltage (Uref) that has a fixed relationship to the grid voltage (Ugrid) with regard to the voltage parameters, in order to generate, based on the measured instantaneous reference voltage (Uref) and the known fixed parameter relationships, by actuating the converter, a three-phase alternating voltage synchronous to the grid voltage (Ugrid) on the grid side of the power transformer.

Abstract: A method and device which operates to record and evaluate an output of electrical energy of a hybrid power plant, wherein, in accordance with time and/or load, at least one expected generable and usable energy contribution resulting from the utilization of renewable energy sources and one expected energy contribution resulting from the utilization of convention energy carriers are recorded with different tariffs.

Abstract: Provided is a control apparatus for determining a secondary/tertiary control power of a particular decentralized producer in a power supply system having a multiplicity of power producers, in which a subtractor is present such that a deviation of the locally measured or estimated frequency from the mains frequency is first of all determined, in which an amplifier is present, downstream of which an integrator with a limiter is connected, which, in addition to integration, ensures that a secondary/tertiary control power formed at the output of an integrator is limited, and in which the amplifier has a dead band, and/or the output of the integrator with the limiter is negatively fed back to the input of the integrator with the limiter via a feedback unit in which multiplication by a factor is carried out.

Abstract: A premagnetization device is disclosed for a converter system connectable to a three-phase electrical grid that has a three-phase power transformer, a converter connected to the power transformer and a circuit-breaker on the grid side of the power transformer. The premagnetization device is configured to suitably premagnetize the power transformer in a state isolated from the grid. The premagnetization device uses a single-phase reference voltage (Uref) that has a fixed relationship to the grid voltage (Ugrid) with regard to the voltage parameters, in order to generate, based on the measured instantaneous reference voltage (Uref) and the known fixed parameter relationships, by actuating the converter, a three-phase alternating voltage synchronous to the grid voltage (Ugrid) on the grid side of the power transformer. A converter system and a method for premagnetizing a three-phase power transformer of a converter system are also disclosed.

Abstract: A power balance-dependent operating parameter and a surroundings parameter of a first energy source, such as a renewable energy source, are provided. A variable target operating parameter for the first energy source is ascertained dependent on the detected surroundings parameter. The target operating parameter can characterize a first energy source state in which a maximally possible output would be generated under the current given conditions of the surroundings. The operating frequency is then controlled dependent on the detected power balance dependent operating parameter and the ascertained target operating parameter such that a deviation of the operating frequency from a specified frequency is coupled to a deviation of the detected power balance-dependent operating parameter from the ascertained target operating parameter.