Abstract: A method and a system for scheduling parallel machines based on hybrid shuffled frog leaping algorithm and variable neighborhood search algorithm are provided to solve collaborative production and processing of jobs on a plurality of unrelated batch processing machines. The jobs are distributed to machines based on the normal processing time and deterioration situation of the jobs on different machines and are arranged. An effective multi-machine heuristic rule is designed according to the structural properties of an optimal solution for the single-machine problem, and the improved rule is applied to the improved shuffled frog leaping algorithm to solve this problem. The improvement strategy for the traditional shuffled frog leaping algorithm is to improve the local search procedure of the traditional frog leaping algorithm by introducing the variable neighborhood search algorithm. The convergence rate and optimization capacity of the original algorithm are thus improved.

Abstract: A method of speech synthesis is provided, which comprises: determining a phoneme sequence of a to-be-processed text; inputting the phoneme sequence into a pre-trained speech model to obtain an acoustic characteristic corresponding to each phoneme in the phoneme sequence, where the speech model is used for characterizing a corresponding relationship between each phoneme in the phoneme sequence and the acoustic characteristic; determining, for each phoneme in the phoneme sequence, at least one speech waveform unit corresponding to each phoneme based on a preset index of phonemes and speech waveform units, and determining a target speech waveform unit of the at least one speech waveform unit based on the acoustic characteristic corresponding to the phoneme and a preset cost function; and synthesizing the target speech waveform unit corresponding to each phoneme in the phoneme sequence to generate a speech.

Abstract: The present invention disclose a parallel machine batch scheduling method and system based on an improved artificial bee colony algorithm in a deterioration situation. With this method, a near-optimal solution for the parallel machine batch scheduling problem with deteriorating jobs and maintenance consideration can be obtained. The model of the present invention is derived from an actual production process with considerations of machine maintenance and batching as well as additional processing and maintenance time for jobs and machines over time in actual production. According to the present invention, the settlement of this problem is conducive to providing reliable decision support for the production and maintenance of an enterprise in complex real production conditions, thus reducing enterprise operation costs, increasing enterprise productivity, and promoting building of a modern smart factory of the enterprise.

Abstract: A method and system for batch scheduling uniform parallel machines with different capacities based on an improved genetic algorithm are provided. The method is to solve the batch scheduling problem of uniform parallel machines with different capacities. Jobs are distributed to machines by an improved genetic algorithm, and a corresponding batching strategy and a batch scheduling strategy are proposed according to the natural of the problem to obtain a fitness value of a corresponding individual; then, the quality of the solution is improved by a local search strategy; and, a crossover operation is performed on a population based on the fitness of the solution, and the population is continuously updated by repetitive iteration to eventually obtain an optimal solution.

Abstract: The present invention discloses a method and system for collaborative scheduling of production and transportation in supply chains based on improved particle swarm optimization. The method includes the following steps: 1. setting algorithm parameters; 2. randomly generating an initial population; 3. correcting codes; 4. calculating fitness values and updating the speed and the position of particles; 5. performing tournament selection; 6. performing crossover mutation; 7. updating the population; and 8. determining whether a termination condition is satisfied; if so, outputting a globally optimal solution; if not, returning to the step 3. In the present invention, an approximately optimal solution can be obtained in view of the collaborative scheduling problem of production and transportation considering distributed storage, so that the cost is reduced for supply chains and the service level of supply chains is enhanced.

Abstract: A method and a system for scheduling parallel machines based on hybrid shuffled frog leaping algorithm and variable neighborhood search algorithm are provided to solve collaborative production and processing of jobs on a plurality of unrelated batch processing machines. The jobs are distributed to machines based on the normal processing time and deterioration situation of the jobs on different machines and are arranged. An effective multi-machine heuristic rule is designed according to the structural properties of an optimal solution for the single-machine problem, and the improved rule is applied to the improved shuffled frog leaping algorithm to solve this problem. The improvement strategy for the traditional shuffled frog leaping algorithm is to improve the local search procedure of the traditional frog leaping algorithm by introducing the variable neighborhood search algorithm. The convergence rate and optimization capacity of the original algorithm are thus improved.

Abstract: The present disclosure discloses a flowchart generating method including steps of: designing a main process and a sub-module of a flowchart; wherein the main process includes a main process start, a sub-module port, and a main process end. The sub-module includes a sub-module node, and the sub-module node includes a sub-module entry node, a sub-module exit node, and a sub-module interrupted node; establishing a connection relationship between the sub-module and the sub-module port. The present disclosure may support cross-platform development. Therefore, resources depended by the present disclosure may be reduced, and a third-part software may not be installed.

Abstract: The present disclosure discloses a flowchart generating method including steps of: designing a main process and a sub-module of a flowchart; wherein the main process includes a main process start, a sub-module port, and a main process end. The sub-module includes a sub-module node, and the sub-module node includes a sub-module entry node, a sub-module exit node, and a sub-module interrupted node; establishing a connection relationship between the sub-module and the sub-module port. The present disclosure may support cross-platform development. Therefore, resources depended by the present disclosure may be reduced, and a third-part software may not be installed.

Abstract: The present invention relates to a process for preparing plastics with improved hydrolysis stability, comprising a step of adding 0.05-5 wt. % perchlorate salt which is based on 100 wt. % of the plastics, as a raw material to prepare the plastics. The present invention also relates to the plastics prepared from the process and use thereof.

Abstract: A combined concrete material, including: a concrete; a reinforcing bar, the reinforcing bar disposed inside the concrete; and a decorative sheet, the decorative sheet including: a flat part, a first junction, and a second junction. The concrete, the reinforcing bar, and the decorative sheet are fixed together as one whole body. The decorative sheet is disposed outside the concrete, and the inner surface of the flat part is attached to the outer surface of the concrete. The first junction and the second junction are disposed on two ends of the flat part. The inner surface of the flat part is concave and forms a dovetail slot. Neighboring decorative sheets are connected together via the first junction and the second junction, which are embedded in the concrete.

Abstract: The present invention relates to a reaction system for preparing polyurethane microcellular foam, a polyurethane microcellular foam and the use thereof. The reaction system for preparing polyurethane microcellular foam comprises isocyanate prepolymer, polyols, catalysts and chain extenders. The isocyanate prepolymer is a reaction product of polyisocyanates and polyester polyols, wherein the polyester polyols comprise 10-60 wt. % succinic acid units, based on 100 wt. % of the polyester polyols, the NCO content of the isocyanate prepolymer is 13-30 wt. %, based on 100 wt. % of isocyanate prepolymer. By using the reaction components provided in the present invention, the demould time for preparing the polyurethane microcellular foam can be reduced. The obtained polyurethane microcellular foam, which possesses good physical and mechanical properties, is particularly suitable to prepare shoes.

Abstract: A combined concrete material, including: a concrete; a reinforcing bar, the reinforcing bar disposed inside the concrete; and a decorative sheet, the decorative sheet including: a flat part, a first junction, and a second junction. The concrete, the reinforcing bar, and the decorative sheet are fixed together as one whole body. The decorative sheet is disposed outside the concrete, and the inner surface of the flat part is attached to the outer surface of the concrete. The first junction and the second junction are disposed on two ends of the flat part. The inner surface of the flat part is concave and forms a dovetail slot. Neighboring decorative sheets are connected together via the first junction and the second junction, which are embedded in the concrete.

Abstract: The present invention relates to a catalyst for the synthesis of organic carbonates, the preparation of the catalyst and the application of this catalyst in the synthesis of organic carbonates from reacting urea and hydroxyl group containing compounds. The catalyst provided in this invention is a calcinate of hydrous salt containing rare earth element at a moderate calcining temperature.

Abstract: The present invention pertains to a catalyst for the synthesis of organic alkyl carbamates, the method for preparing the same and the use thereof. The catalyst comprises a catalytically active component and a catalyst support, and the catalytically active component being carried by the catalyst support, wherein the catalytically active component comprises a transition metal oxide, and the general formula of the transition metal oxide is EOx, wherein E is selected from transition metal element and x is in the range of 0.5-4.

Abstract: The present invention relates to polyurethane, and specifically relates to a polyurethane microcellular elastomer, a method for preparing the same, and the use thereof. The polyurethane microcellular elastomer is the reaction product of (1) an isocyanate-terminated prepolymer obtained by reacting an isocyanate with a first polyol, (2) a second polyol, (3) a chain extender and (4) a catalyst, wherein the first polyol and/or second polyol comprise at least one polycarbonate polyol obtained by reacting carbon dioxide with an alkene oxide. This method of preparing polyurethane microcellular elastomer can not only reduce the demand for raw materials derived from petrochemicals, but also realize the utilization of the “greenhouse gas” carbon dioxide.

Abstract: The present invention pertains to a catalyst for the synthesis of organic alkyl carbamates, the method for preparing the same and the use thereof. The catalyst comprises a catalytically active component and a catalyst support, and the catalytically active component being carried by the catalyst support, wherein the catalytically active component comprises a transition metal oxide, and the general formula of the transition metal oxide is EOx, wherein E is selected from transition metal element and x is in the range of 0.5-4.

Abstract: The present invention pertains to isocyanate-terminated prepolymers prepared from cyclic alkylene carbonates, the method for preparing the same and the use thereof in preparing polyurethanes, polyureas, polyurethane elastomer, and polyurethane mouldings. The incorporation of cyclic alkylene carbonates into the isocyanate-terminated prepolymers of the present invention improves their liquid stability at low temperatures while maintaining their physical properties.

Abstract: Disclosed herein is an apparatus and method for detecting a selected material that change an effective dielectric constant of a circular resonator. An example of the apparatus includes an input waveguide, an output waveguide and a circular resonator. The input waveguide receives electromagnetic wave from an electromagnetic wave source. The circular resonator is located adjacent to the input and output waveguides, which enables the resonator to receive electromagnetic wave from the input waveguide. The circular resonator bonds to a selected material, e.g. chemical gas, chemical liquid, and bio-agent. The selected material can change the effective dielectric constant of the circular resonator, which in turn causes a change in the electromagnetic wave intensity of the circular resonator. The output waveguide receives the change in electromagnetic wave intensity from the circular resonator, which can be used to determine the selected material qualitatively and quantitatively.

Abstract: Disclosed herein is an apparatus and method for detecting a selected material that change an effective dielectric constant of a circular resonator. An example of the apparatus includes an input waveguide, an output waveguide and a circular resonator. The input waveguide receives electromagnetic wave from an electromagnetic wave source. The circular resonator is located adjacent to the input and output waveguides, which enables the resonator to receive electromagnetic wave from the input waveguide. The circular resonator bonds to a selected material, e.g. chemical gas, chemical liquid, and bio-agent. The selected material can change the effective dielectric constant of the circular resonator, which in turn causes a change in the electromagnetic wave intensity of the circular resonator. The output waveguide receives the change in electromagnetic wave intensity from the circular resonator, which can be used to determine the selected material qualitatively and quantitatively.

Abstract: A multiplexer/demultiplexer is provided for optical interconnection between electronic components on an integrated circuit chip. The multiplexer/demultiplexer includes a substrate formed with an array of photo emitters/detectors and conditioning electronics coupled thereto. A first layer of optically transparent material is formed on the substrate overlying the emitters/detectors and a second layer of optically transparent material, functioning as an optical waveguide, is formed on the first layer. A binary blazed grating is formed at the interface of the two layers. For multiplexing, discrete wavelength optical signals are modulated with data, emitted by the emitters, intercepted by the binary blazed grating, and multiplexed into a polychromatic beam for transmission through the waveguide. For demultiplexing, the discrete wavelengths are separated by the binary blazed grating and directed to corresponding detectors.