Abstract: A method for prediction of dynamic rescheduling with a digital twin workshop for circuit breakers includes: building a circuit breaker digital manufacturing twin workshop system; determining a circuit breaker circuit breaker workshop dynamic rescheduling mathematical model that is based on rush order events, and performing prediction of information related to the rush order events on twin data of the circuit breaker digital manufacturing twin workshop system based on a prediction mechanism that relies on time window setting and order inquiry, and further updating the circuit breaker workshop dynamic rescheduling mathematical model with the predicted information related to the rush order events; and based on the updated circuit breaker workshop dynamic rescheduling mathematical model, developing a workshop dynamic rescheduling prediction model for multi-objective optimization focused on production efficiency and equipment energy consumption, and further finding an optimal solution to the workshop dynamic resch

Abstract: The present invention relates to a test system and method for a biomass-based blended fuel. The system comprises a feeding device, a mixing tank, a light-sensing device, and a control device; the feeding device comprises at least two fuel bottles; the fuel bottle is connected to the mixing tank by means of an oil pipe; the correspondingly connected oil pipe of each fuel bottle is provided with a flow valve; the light-sensing device comprises a laser disposed above the mixing tank, a light-reflecting mechanism disposed at the bottom in the mixing tank, and a light-sensing mechanism disposed at one side of the light reflecting mechanism; the output end of the light-sensing mechanism is signaled with the input end of the control device; the input end of the laser and the input end of the flow valve is separately signaled with the output end of the control device.

Abstract: Disclosed is a composition comprising at least one interpolymer dispersed within an aqueous medium, the interpolymer comprising at least one unsaturated monomer and at least one selected from the group consisting of at least one conjugated acid, at least one mono-ester of a conjugated acid, and mixtures thereof, and, optionally, at least one surfactant configured to stabilize the interpolymer within the aqueous medium. The conjugated acid may be derived from a naturally-occurring oil, such as tung oil. There is also provided a method for preparing a composition, comprising forming an interpolymer comprising the at least one unsaturated monomer and the at least one selected from the group consisting of at least one conjugated acid, at least one mono-ester of a conjugated acid, and mixtures thereof. There is still further provided a pressure sensitive adhesive comprising the composition prepared according to the disclosed method.

Abstract: Water-based pressure sensitive adhesive composition and methods of make the same are provided. The water-based pressure sensitive adhesive composition comprises at least one interpolymer dispersed within an aqueous medium, the interpolymer comprising at least one unsaturated monomer and at least one compound selected from a group consisting of at least one conjugated acid, at least one ester of a conjugated acid, and mixtures thereof.

Abstract: The present disclosure discloses a door lock, a door lock controlling method and a door lock controlling device. The door lock includes a main controlling module, an unlocking module and a sensing module. The sensing module is configured to determine whether a human body is present within a first preset detection range; if yes, the main controlling module and the unlocking module are controlled to be powered on; and if no, the main controlling module and the unlocking module are controlled to be powered off. In the present disclosure, only the sensing module is in an operating state and other modules are not powered on when there is no user who is trying to open the door. Therefore, the power consumption of the door lock is reduced.

Abstract: A management platform for a digital twin workshop for automated assembly of circuit breakers includes a physical workshop management unit, a twin virtual workshop management unit, a twin data center and a service management unit. The physical workshop management unit performs scene object analysis, sensor network configuration and operation response. The twin virtual workshop management unit builds a virtual geometric scene and controls data movement response. The twin data center stores twin data. The service management unit performs on-line communication and builds twin data while managing and monitoring the physical workshop management unit. The management platform implements intellectualized and visualized management of production factors, activity planning and production process of a physical workshop for automated assembly of circuit breakers, so as to achieve automation control, parameter visualization and real-time-state monitoring of the physical workshop.

Abstract: A digital-twin modeling method for an automated testing pipeline for circuit breakers involves acquiring a three-dimensional digitalized model of each mechanical installation in the testing pipeline; modeling hierarchy according to an actual production process and motion states; performing mesh optimization on the resulting model; designing movements of each said mechanical installation, so as to obtain mechanical movement tracks of the models; combining actual movement logic and cooperative relationship among the movements to edit the mechanical movement tracks of the models; and introducing motion control, so as to conduct motion simulation in a digital-twin scene, thereby implementing virtual movements synchronous with movements of the actual testing pipeline.

Abstract: A catalyst, which comprises molecular sieves; a molecular sieve structure is at least provided with a one-dimension eight-membered annular small hole channel, wherein the diameter of a substance that may diffuse in the direction of the eight-membered annular channel is no less than 2.0 ?, and the diameter of a substance that may be accommodated in the molecular sieves is no more than 6 ?. The catalyst is used for a methanol- and/or dimethyl ether-to-propylene reaction, comprising causing methanol and/or dimethyl ether to make contact with a methanol-to-propylene catalyst to obtain propylene.

Abstract: The present invention provides a curable aqueous composition comprising a (co)polymer and an epoxy crosslinker. The (co)polymer comprises, as (co)polymerized units, from 0.05% to 10% by dry weight, based on total monomers of the (co)polymer, ethylenically unsaturated acidic monomers having at least two carboxylic acid groups, and the epoxy crosslinker is an aliphatic compound having at least two reactive oxirane groups. It further provides a method for forming a treated substrate and a substrate formed by the method.

Abstract: A preparation method for a metal-modified SAPO molecular sieve is disclosed, characterized in adding a raw powder of the SAPO molecular sieve to a solution containing metal ions for performing ion exchange, and then washing and drying the obtained solid after ion exchange, so as to obtain the metal-modified SAPO molecular sieve. The metal-modified SAPO molecular sieve prepared has a relatively high degree of crystallinity, and the metal elements occupy the ionic positions in the channels and/or cages of the SAPO molecular sieve, and the metal-modified SAPO molecular sieve shows excellent catalytic performance in the catalytic reaction.

Abstract: An configuration-based optimization method for automated assembly and production of circuit breakers includes ascertaining names, serial numbers, operating times, costs and maximum parallelism levels of all operation elements, and, based on structural principles and process requirements of the circuit breakers, analyzing the names, serial numbers and operating times of the operation elements, so as to identify assembly precedence and process connection among the operation elements; according to the costs and the maximum parallelism levels of the operation elements, optimizing and adjusting process parallelism levels of the operation elements and their corresponding shunt or confluent unit costs, and taking the assembly precedence, process connection and the optimized and adjusted process maximum parallelism as constraint conditions, with the aim to minimize the assembly line takt time and costs, to build a multi-objective optimization problem; and finding optimal solutions of the multi-objective optimization

Abstract: A method for synthesizing a nano SAPO-34 molecular sieve, and an SAPO-34 molecular sieve catalyst and application thereof. A nano SAPO-34 molecular sieve is synthesized by adding a microporous templating agent and a templating agent having a functionalized organic silane to hydrothermal synthesis. The nano SAPO-34 molecular sieve is calcined to obtain a nano SAPO-34 molecular sieve catalyst. The catalyst can be used in a reaction for preparing low-carbon olefin from an oxygen-containing compound. The nano SAPO-34 molecular sieve obtained by this method has a pure CHA crystal phase. Moreover, the nano SAPO-34 molecular sieve catalyst obtained by this method has good catalytic performance in a MTO reaction, the service life of the catalyst is significantly prolonged, and the selectivity of the low-carbon olefin is improved.

Abstract: Provided is an aqueous adhesive composition comprising a polymer that comprises (a) polymerized units of one or more alkyl (meth)acrylate monomer, (b) polymerized units of acrylic acid or methacrylic acid or a mixture thereof, (c) polymerized units of one or more dialkyl diester of itaconic acid, and (d)polymerized units of one or more other monomer.

Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to ?10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion.

Abstract: A rosin dispersion is a reaction product of, by dry weight based on total dry weight of the rosin dispersion, from 80% to 98% a rosin resin, and from 2% to 20% a dispersant. The rosin resin is processed by at least one method of a) modification, b) hydrogenation or disproportionation, and c) polymerization or esterification from raw material rosins. The dispersant is selected from C18-C32 aliphatic carboxylic acids, olefin (meth) acrylic acid copolymers, and other acid/anhydride modified polymers. A continuous process for preparing the rosin dispersion and an adhesive formulation comprising the rosin dispersion are also included.

Abstract: The present application provides a method for preparing acetal carbonyl compound used as an intermediate for producing ethylene glycol, which comprises a step in which a raw material acetal and a raw gas carbon monoxide go through a reactor loaded with a catalyst containing an acidic microporous silicoaluminophosphate molecular sieve, for carrying out a carbonylation reaction. In the method of the present invention, the conversion rate of the raw material acetal is high, and the selectivity of acetal carbonylation is high, and the catalyst life is long, and no additional solvent is needed in the reaction process, and the reaction condition is relatively mild, and the process is continuous, showing the potential for industrial application. Moreover, the product of acetal carbonyl compound can be used for producing ethylene glycol by hydrogenation followed by hydrolysis.

Abstract: A method for making a water-based adhesive composition is disclosed. The method comprises dispersing at least one unsaturated monomer and at least one surfactant in an aqueous medium to form an emulsified mixture. The method further comprises introducing at least one initiator to the emulsified mixture, thereby polymerizing the at least one unsaturated monomer and forming an emulsion polymer. The method still further comprises introducing at least one polyol ester of a conjugated acid to the emulsion polymer upon completion of polymerization of the at least one unsaturated monomer. The conjugated acid may be derived from a naturally-occurring dry oil, such as tung oil. There is still further provided a pressure sensitive adhesive comprising the composition prepared according to the disclosed method.

Abstract: A three-dimensional cavitation quantitative imaging method for a microsecond-resolution cavitation spatial-temporal distribution includes steps of: after each wide beam detection, moving an array transducer by one unit; waiting until the cavitation nuclei distribution backs to an initial state, then detecting the cavitation by the wide beam detection with same cavitation energy incitation, so as to obtain a spatial series of two-dimensional cavitation raw radio frequency data corresponding to different placing positions of the array transducer; then changing the cavitation energy source duration, time delays between energy source incitation and the wide beam transmitted by the array transducer, and time delays between the pulsating pump and energy source incitation, so as to obtain a temporal series of two-dimensional cavitation raw radio frequency data; and then obtaining a microsecond-resolution three-dimensional cavitation spatial-temporal distribution image and a cavitation micro bubble concentration quan

Abstract: A method for synthesizing a nano SAPO-34 molecular sieve, and an SAPO-34 molecular sieve catalyst and application thereof. A nano SAPO-34 molecular sieve is synthesized by adding a microporous templating agent and a templating agent having a functionalized organic silane to hydrothermal synthesis. The nano SAPO-34 molecular sieve is calcined to obtain a nano SAPO-34 molecular sieve catalyst. The catalyst can be used in a reaction for preparing low-carbon olefin from an oxygen-containing compound. The nano SAPO-34 molecular sieve obtained by this method has a pure CHA crystal phase. Moreover, the nano SAPO-34 molecular sieve catalyst obtained by this method has good catalytic performance in a MTO reaction, the service life of the catalyst is significantly prolonged, and the selectivity of the low-carbon olefin is improved.

Abstract: A solar cell sheet includes: a conductive connection member; and a first electrode, a first transparent conductive layer, a first doped layer of a first conductivity type, a first passivation layer, a monocrystalline silicon wafer, a second passivation layer, a second doped layer of a second conductivity type, a second transparent conductive layer, and a second electrode arranged in an order from top to bottom. One end of the conductive connection member is electrically connected to the first electrode, and the other end of the conductive connection member extends to a side of the second transparent conductive layer adjacent to the second electrode, and the conductive connection member is insulated from the second transparent conductive layer and the second electrode.