61results about How to "Achieve harmonization" patented technology

The invention relates to a management method in the technical field of the automation of a power system, in particular to a multi-version management method for a model set and difference model-based power grid model. The method comprises the following steps of: 1) expressing a difference model; 2) storing the model; 3) loading the model; 4) browsing the model; 5) merging the model; 6) checking the model; 7) transforming the model; and 8) carrying out the on-line distributing and putting of the model. The method divides a space-dimensional model and an application-dimensional model into corresponding versions through the type of a model space and a model tree, and takes the model set as a base wire to realize the multi-version management of the model time dimension by overlapping the modes which become effective at different times.

The invention discloses a life-cycle treatment method of water inrush in a tunnel. The method comprises the steps that three-dimensional morphologic features of a water conductive structure of a water inrush zone in the tunnel are obtained by combining geological data, excavation data, detection results of comprehensive geophysical detection and numerical calculation results; grouting sealing water inrush is taken into account, surrounding rock physical mechanical parameters are improved simultaneously, design of a treatment scheme is conducted on the water inrush zone in the tunnel, and design of a keyhole and a drainage keyhole is conducted according to a water inrush main controlling structure; the stability of the tunnel in the construction period and the safety in the operation period are guaranteed by conducting numerical simulation on the tunnel section which is reinforced according to the design scheme; grouting construction is conducted according to the design scheme, a monitoring device is buried during the construction process, and feedback optimal design is implemented; inspection is conducted on the treatment effect of the grouting reinforcement section in the tunnel, and the excavation time is determined. According to the life-cycle treatment method of the water inrush in the tunnel, it is guaranteed that the surrounding rock in the tunnel construction period is stale and water inrush of the tunnel does not occur in the operation period, the chronic problem that nine of the ten tunnels leak is completely eradicated, and the effective treatment of the water inrush in the tunnel and the environmental protection are achieved.

The invention discloses a vegetation-concrete double-layer protective screening side slope ecological greening system. Longitudinal and transverse supporting ropes and a plurality of anchor rods or anchor ropes buried on a side slope form a protective screening fixing system; each of a base-layer protective screening and a surface-layer protective screening consists of a plurality of protective screening blocks which are spliced; base course vegetation-concrete layers are arranged between the base-layer protective screening and the surface of the side slop as well as above the base-layer protective screening; surface course vegetation-concrete layers are arranged between the base course vegetation-concrete layers and the surface-layer protective screening as well as above the surface-layer protective screening; a plurality of connection devices are buried on the side slope; each protective screening block of the surface-layer protective screening is fixed at the upper part position of each connection device through each connection device. The invention provides the vegetation-concrete double-layer protective screening side slope ecological greening system and a method for performing side slope ecological greening by using the system in order to solve the technical problems; the stability of the side slope can be retained, the environment can be beautified and the ecological balance can be maintained; integration of engineering protection and ecological protection of the side slope is realized.

The invention relates to an anti-dazzle principle based design method for traffic engineering facilities at a road tunnel exit. The method is characterized in that tunnel exit anti-dazzle facilities are arranged in front of the tunnel exit to ease intensive brightness transition caused by insufficient illuminating lamps at the tunnel exit; coloured painting materials of which reflection coefficients gradually reduce are arranged on the tunnel ceiling, side walls and roads from the top down to ease brightness transition and beam divergence at the tunnel exit, so as to lift the dazzle area, reduce the dazzle area below the visual line of a driver and increase the visual adaptation time; horizontal road direction lines and road lane keeping lines are arranged on the road, and side wall vertical direction lines and side wall double-layered contour marks are arranged on the side walls, so as to form a closed mid-frequency retroreflective information stream together; high-frequency red and white marked lines arranged on maintenance road edges and road side reflective raised route markers form a high frequency visual information stream to increase the driver's instantaneous velocity sensation, and promote the driver's speed feeling and distance feeling, and accordingly, the coordination and unification of the tunnel lighting energy conservation and tunnel traffic safety are realized.

The invention discloses a fresh air unit of a special air conditioning heat pump for capillary radiation and a control method thereof. Cold and heat sources required by the tail end of an air conditioner and treated fresh air are provided simultaneously by employing a set of unit so as to meet the indoor air conditioning demand and the demand on fresh air ventilation volume. According to the technical scheme provided by the invention, the fresh air unit of the special air conditioning heat pump for capillary radiation provides cold and heat sources and fresh air volume simultaneously in the set of unit, so that coordination and unification and intelligent and precise control of an air conditioning cold and heat source system and a fresh air processing system are achieved. The fresh air unit of the special air conditioning heat pump for capillary radiation and the control method thereof disclosed by the invention are efficient and energy-saving, intelligent integration and control are realized, and the unit is stable and reliable to operate.

The invention discloses a plastic deformation method for a cast magnesium-gadolinium-yttrium-neodymium-zirconium (Mg-Gd-Y-Nd-Zr) rare earth magnesium-alloy component. The plastic deformation method comprises the following steps: (1) homogenizing treatment on a cast structure; (2) multiple-directional forging and gradient-temperature repeated pre-deformation; (3) die-forging hot forming; (4) die-forging cold reforming; (5) artificial aging heat treatment; and (6) artificial aging cold treatment. After grains are refined by multiple-directional forging and gradient-temperature repeated pre-deformation, the performance is greatly improved; hot die forging and cold die forging are combined for forming, so that all parts of the component are approximate in structure and performance and the anisotropic defect of the component, caused by use of an extrusion technology, is avoided; a high-strength heat-resistant Mg-Gd-Y-Nd-Zr magnesium-alloy component can be produced by small-sized equipment, and energy is saved; and the problems of oversize grains and low forming performance of the cast Mg-Gd-Y-Nd-Zr rare earth magnesium-alloy component are solved, the coordination and integration of forming and strengthening and toughening of the Mg-Gd-Y-Nd-Zr magnesium-alloy are realized, and the product performance is improved.

The invention provides a magnesium alloy construction member step temperature forming method. The method comprises the process route, namely homogenizing, preforming, warm forming and low temperature forming and is characterized in that: 1, in the stage of homogenizing and preforming, homogenizing is carried out in a heating furnace, and upsetting and preforming are directly carried out by utilizing a blank homogenizing temperature, wherein the thermal temperature of preforming is 380 minus or plus 10 DEG C; 2, in the stage of warm forming, warm extrusion forming is carried out on the preformed upsetting blank in a mould, wherein the warm forming temperature is 340 minus or plus 10 DEG C; and 3, in the stage of low temperature reshaping, low temperature reshaping is carried out on a semi-formed blank obtained after the warm forming is finished in the mould again, wherein the low temperature reshaping temperature is 300 minus or plus 10 DEG C. By adopting the method provided by the invention, the problems that high temperature forming performance of a magnesium alloy is low and the magnesium alloy can not be formed at a low temperature are solved, coordination and uniform of forming and toughening on the magnesium are realized, and product performance is improved; and energy sources are saved, the process is simplified, and waste heat of homogenizing is utilized to directly carry out subsequent plastic deformation, thus the process is simplified, the thermal energy is effectively utilized, and the production cost is reduced.

The invention discloses a dry-type compound machine. The dry-type compound machine comprises a drying tunnel, a coating device, a compound device, a first unreeling mechanism corresponding to the coating device, and a second unreeling mechanism and a reeling device both corresponding to the compound device, wherein the coating device and the compound device are arranged under the two ends of the drying tunnel, respectively; the coating device is a five-roller coating device which comprises roller frames located on the two sides, and a five-roller coating mechanism, a guide roller I for guiding a first base material unreeled by the first unreeling mechanism to the five-roller coating mechanism and a guide roller II for guiding the first base material coated with glue by use of the five-roller coating mechanism to the drying tunnel are arranged between the two roller frames. The coating glue of the five-roller coating device can be high-concentration glue, and therefore, the problem of environmental pollution caused by glue leakage due to excessive diluent can be avoided; in addition, the coating amount of the coating glue on the first base material can be adjusted conveniently by adjusting the rotating speed of the five-roller coating mechanism, and the adjustment of the coating amount is simpler and more accurate.

The invention relates to a walnut breaking machine. The walnut breaking machine comprises a rack, wherein a spiral feeding device is arranged at the top of the rear end of the rack, a motor is fixed on the left side wall of the rack, the motor controls the spiral feeding device to feed through belt drive, a lower rotating shaft is rotatably arranged inside the rack, the motor controls the lower rotating shaft to rotate by virtue of a coupling, a material distribution board is arranged on a circular arc surface of the lower rotating shaft, a pneumatic stamping breaking device is arranged in front of the material distribution board, a pneumatic blanking device is arranged below the pneumatic stamping breaking device, a fan is fixedly arranged at a position, over against the pneumatic blanking device, on the front side wall of the rack, blanking plates are arranged below the pneumatic blanking device, the blanking plates are arranged in an inclined manner and are lower in the front and higher at the rear, the front ends of the blanking plates extend out of the rack, a waste hopper is arranged right below the blanking plates, the waste hopper is arranged inside the rack, a material collecting hopper is arranged below the front ends of the blanking plates, and the material collecting hopper is arranged in front of the rack. The walnut breaking machine operates in an electric and pneumatic combined manner, and walnuts are distinguished according to size specification, so that a breaking process is greatly simplified, and breaking efficiency is improved.

The invention discloses a method for raising geese in a corn field. The method comprises the steps that firstly, corn is planted and goslings are prepared; the goslings are raised in the corn horn mouth stage at the end of June and certain feed is offered everyday in the stage; the goslings are raised in the corn field in the corn booting stage or the corn heading stage in the middle ten days of July; certain feed is offered so that growth of the goslings can be maintained and the feed is offered at night; geese are obtained in the corn milk ripe stage or the corn dough stage almost at the beginning of October and the corn is harvested ten days after the geese are obtained. According to the method for raising the geese in the corn field, corn cultivation and goose raising are organically combined and the cost benefits of the geese and life benefits of the corn are improved; the geese are obtained when the corn is mature, the goose raising time is prolonged, the difficulty of technology conduction is reduced, the yield of the corn is guaranteed, and the yield of the geese is increased as well. In addition, the production benefits, the land use efficiency, the light energy use efficiency, the production efficiency and the economic benefits are improved and the ecological benefits are good.

The present invention discloses an efficient shrinkage-reducing anti-cracking agent and a preparation method thereof, the efficient shrinkage-reducing anti-cracking agent comprises a shrinkage-reducing component and an expansion component, the shrinkage-reducing component is a shrinkage-reducing agent is a comb-shaped copolymer shrinkage-reducing agent, the expansion component is a calcium oxide type expander, and the mass ratio of the shrinkage-reducing component to the expansion component is 35: 65-45: 55. The shrinkage-reducing component is absorbed on the surface of the expansion component by spray drying, the expansion component is used as an anti-blocking insulating material to achieve fine powder production of the liquid shrinkage-reducing component, the shrinkage-reducing component is used as a waterproof insulation material to delay early hydration of the expansion component, and ultimately coordination and integration of expansion and shrinkage educing is achieved; by powder production and application, injuries of volatile organic solvents on workers during single use of the shrinkage-reducing agent can be avoided, the effective content of the product can be increased, the efficient shrinkage-reducing anti-cracking agent has a significant anti-cracking effect under conditions of low dosage, and helps are provided for expansion of the use range of anti-cracking materials.

The invention discloses a preparation method of a high-strength ferromagnetism-free texture Ni-W alloy base band. Firstly, a nickel tungsten alloy ingot casting with the atomic percentage of tungsten being 17-22% is obtained through vacuum induction melting, then the obtained nickel tungsten alloy ingot casting is served as the raw material, and an initial alloy billet is obtained through a continuous casting and rolling process; the initial alloy billet obtained in the above step is subjected to solution treatment, then the treated initial alloy billet is placed in a heat treatment furnace for heat preservation for 10 minutes, and then quenching is performed; the oxide skin of the alloy billet obtained in the above step is removed, then the alloy billet is subjected to cold rolling till the thickness is 100-150 microns and the cold-rolling deformation amount is 77-83%, and the nickel-tungsten alloy cold-rolled base band is obtained; the nickel-tungsten alloy cold-rolled base band obtained in the above step is subjected to aging heat treatment; and the nickel-tungsten alloy cold-rolled base band obtained after annealing is subjected to recrystallization annealing, and the hydrogen gas is served as the protection gas. The alloy base band prepared through the preparation method has high strength, free of ferromagnetism and high in yield strength and can meet the requirement for preparing high-performance coating superconducting strips.

The invention discloses a sintering desulfurization and white smoke removal system and a technological process of the sintering desulfurization and white smoke removal system, which can be used for mainly solving the problems that a method for treating 'white smoke' is high in energy consumption, cannot achieve energy conservation and emission reduction, and the like in the prior art. The sintering desulfurization and white smoke removal system comprises a desulfurization tower (3) and a smoke discharging chimney (1) arranged at the top of the desulfurization tower (3). The sintering desulfurization and white smoke removal system is characterized by also comprising a dehumidifying system connected with the smoke discharging chimney (1), wherein a flap valve (2) used for switching a communicating state of the smoke discharging chimney (1) and the dehumidifying system is also installed on the smoke discharging chimney (1) and positioned above the joint of the smoke discharging chimney (1) and the dehumidifying system. According to the sintering desulfurization and white smoke removal system and the technological process, the desulfurization treatment is firstly carried out, then three-step gradually strengthened dehydration treatment is carried out, and finally cooling treatment is carried out, so that flue gas can be effectively dehumidified, and the energy consumption of the sintering desulfurization and white smoke removal system is greatly reduced due to the technology of firstly dehydrating and then cooling.

The invention discloses a capacity planning method for a comprehensive energy system containing intermittent new energy. Based on annual historical data of wind and light intermittent new energy and electricity, heat and gas loads, scene generation is carried out by considering coupling characteristics among the electricity, heat and gas energy, and a typical scene set for processing uncertain factors of wind and light intermittent new energy output and the electricity, heat and gas loads is formed; a two-layer capacity collaborative planning model for minimizing the investment operation costof the electricity-heat-gas comprehensive energy system containing wind and light intermittent new energy and various energy coupling devices is constructed; and the two-layer capacity collaborative planning model is solved to obtain a capacity planning scheme of each device in the electricity-heat-gas integrated energy system, and the effectiveness of the capacity planning scheme of the electricity-heat-gas integrated energy system containing intermittent new energy is verified. The method gives full play to the complementary characteristics of various types of heterogeneous energy, achievesthe coordination and unification of the planning process and operation process of the integrated energy system, and improves the comprehensive utilization efficiency of energy.

The invention discloses a real-time simulation method, a real-time simulation device and real-time simulation electronic equipment of a hydraulic-turbine regulation system. The method includes: obtaining basic parameters and basic constants of a hydropower station, carrying out variable definition, and setting basic relationship expressions through the basic parameters, the basic constants and variables; establishing a feature line method-based water hammer feature line mathematical-model of a hydraulic-turbine water diversion system of the hydropower station; establishing a basic feature linemethod system calculation principle block diagram; establishing a basic feature line method calculation principle block diagram-based improved linear model calculation principle block diagram in which a water head loss item is removed and head-to-flow feedback is introduced, writing a z-transfer function of the hydraulic-turbine water diversion system according to the improved linear model calculation principle block diagram, and obtaining an improved linear model; and establishing the improved line model for simulation.

The invention discloses a preparation method for a non-ferromagnetism cubic-texture nickel-tungsten alloy base band. The method includes the steps that a nickel-tungsten alloy cast ingot is prepared by adopting a vacuum induction melting method, and an initial alloy blank ingot is obtained after forging and hot rolling; surface polishing is conducted on the obtained initial alloy blank ingot by utilizing mechanical polishing, oxide skin is removed, and then cold rolling is carried out till the initial alloy blank ingot is 50-75 micrometers thick and the total deformation is 90-93%, so that a nickel-tungsten alloy cold-rolled base band is obtained; and the obtained nickel-tungsten alloy cold-rolled base band is subjected to recrystallization heat treatment to obtain the nickel-tungsten alloy base band with the high cubic texture. The alloy base band has no ferromagnetism overall and is high in strength, and the requirements for preparing high-performance coating superconductive bands can be met.

The invention discloses a green building evaluation system which comprises an input layer, a computing layer and an output layer. The input layer is used for inputting assignments of index parameters, the computing layer is used for analyzing and computing building indexes of a green building, and the output layer is used for obtaining various reports which need to be submitted in the green building construction process and achieving transmitting and updating of index numbers between modules. The input layer and the output layer are connected through a network, and the computing layer and the output layer are connected through the network. The green building evaluation system has the advantages that a common interface is provided, assignment, computing and parameter adjusting of the index parameters of the green building evaluation system are simplified, and coordination of all stages, all indexes, all main bodies and all professions in the green building construction process is achieved.

The invention discloses an imitation handmade steamed bun kneading device. The imitation handmade steamed bun kneading device comprises a dough blank processing mechanism and a kneading mechanism, wherein the dough blank processing mechanism comprises dough smoothing mechanisms, an extruding mechanism, a second rack, a slitting mechanism and a slitting mechanism; a second conveyor belt is arrangedat the upper end of the second rack; the extruding mechanism, the slitting mechanism and the slitting mechanism, which are connected with the second rack, are arranged above the second conveyor beltin sequence along a conveying direction; the dough smoothing mechanisms are arranged at upper and lower sides of the extruding mechanism; the kneading mechanism is located at one side of the dough blank processing mechanism; the kneading mechanism comprises a first rack, a first conveyor belt and a forming mechanism; the first conveyor belt is arranged at the upper end of the first rack; an inputend of the first conveyor belt is in butt joint with an output end of the second conveyor belt; the forming mechanism stretches across the first conveyor belt; the forming mechanism comprises a hoisting mechanism and a kneading mechanism; the hoisting mechanism is connected with the first rack; the kneading mechanism is located above the first conveyor belt; and the kneading mechanism is connectedwith the hoisting mechanism.

The invention relates to a high-rise and super high-rise composite frame structure system with bilateral supports. The system comprises the steel reinforced concrete frame structure of a building, which consists of a steel reinforced concrete column / pier (2) and a steel reinforced concrete beam. The high-rise and super high-rise composite frame structure system is structurally characterized in that steel supports (1) are respectively arranged along the short direction and the long direction of the building and are fixedly connected with steel ribs in the steel supports (1) and the concrete column / pier (2) to form the composite frame structure system. By utilizing a space truss system consisting of the steel reinforced concrete frame and the steel supports, the problem of rigidity of the high-rise / super high-rise frame system is effectively solved; the bilaterally arranged steel supports are not only stress members for the structure, but also important constituent parts for a building facade, thereby realizing the harmonious integration of the building and the structure. Thus, the composite frame structure system can be applicable to the taller buildings with larger depth-width ratio. The steel ribs arranged in the concrete column / pier can be conveniently connected with the steel support structure, and meanwhile, by adopting the composite frame structure, the composite frame structure system is superior to the steel structure in the aspect of economical efficiency and has the effect on reducing the cost.

The invention relates to a 30-second cycle static analysis based electric power spot transaction security checking method, which comprises the steps that firstly an electric power regulation and control center receives spot transaction data sent by an electric power transaction department and performs online security analysis data preparation, then the regulation and control center performs static security analysis, and finally the regulation and control center provides a transaction center online stability control check result and an auxiliary service strategy. The method provided by the invention not only can improve the online security analysis capacity of a power grid, also can effectively deal with rapid changes of electric power spot transactions, thereby providing safe and stable running guarantee for development of the electric power market in China, and realizing coordination and unification of safe running of the power grid and orderly operation of the market.

The invention discloses a solid tyre blank sorting system which comprises a master control system, a grabbing mechanism, a sorting mechanism and a stacking mechanism. S1, the grabbing mechanism placessolid tyre blanks onto a detection table of the sorting mechanism after grabbing the solid tyre blanks from a production line; S2, the detection table detects the solid tyre blanks; S3, for the solidtyre blanks which are unqualified through detection, two rotating shafts of a push rod rotate oppositely, two push arms push the solid tyre blanks into a right conveying table, and the solid tyre blanks are conveyed to a manual repair table through the right conveying table; S4, for the solid tyre blanks which are qualified through detection, the two rotating shafts of a push rod rotate oppositely,, and the solid tyre blanks are pushed into a left conveying table through the two push arms and are conveyed to a guide trough of the stacking mechanism through the left conveying table; and S5, after being guided and loaded into a goods shelf through the guide trough, the solid tyre blanks are conveyed to a warehouse through rails. According to the solid tyre blank sorting system, the automation degree is high, the labor intensity is reduced, the manual cost is saved, and the production efficiency and the stability of solid tire blank storage quality are improved.

The invention discloses a life-cycle treatment method of water inrush in a tunnel. The method comprises the steps that three-dimensional morphologic features of a water conductive structure of a water inrush zone in the tunnel are obtained by combining geological data, excavation data, detection results of comprehensive geophysical detection and numerical calculation results; grouting sealing water inrush is taken into account, surrounding rock physical mechanical parameters are improved simultaneously, design of a treatment scheme is conducted on the water inrush zone in the tunnel, and design of a keyhole and a drainage keyhole is conducted according to a water inrush main controlling structure; the stability of the tunnel in the construction period and the safety in the operation period are guaranteed by conducting numerical simulation on the tunnel section which is reinforced according to the design scheme; grouting construction is conducted according to the design scheme, a monitoring device is buried during the construction process, and feedback optimal design is implemented; inspection is conducted on the treatment effect of the grouting reinforcement section in the tunnel, and the excavation time is determined. According to the life-cycle treatment method of the water inrush in the tunnel, it is guaranteed that the surrounding rock in the tunnel construction period is stale and water inrush of the tunnel does not occur in the operation period, the chronic problem that nine of the ten tunnels leak is completely eradicated, and the effective treatment of the water inrush in the tunnel and the environmental protection are achieved.

The invention provides an electric heating coordinated optimization scheduling method and device considering heat supply pipe network feedback regulation, and the method comprises the steps: determining a temperature feedback regulation constraint condition of a centralized heating system in an electric heating comprehensive energy system based on a heat supply pipe network temperature feedback regulation mechanism; based on a temperature feedback regulation constraint condition of a centralized heating system, a constraint condition of a gas turbine combined heat and power generation unit anda thermal power unit, a constraint condition of a power grid and a wind power unit, and an optimization target and decision variables of an electric heating comprehensive energy system, electric heating coordinated optimization scheduling of the electric heating comprehensive energy system is realized. The operation characteristic of the heat supply network is no longer only the operation constraint of the power system, but the thermal comfort of the thermodynamic system is used as the target of the electric heating comprehensive energy system by considering the temperature feedback adjustment mechanism of the heat supply network, so that the comprehensive influence on the thermoelectric output and the power scheduling result is generated, and the coordination and unification of the powerand the thermodynamic system are realized. Optimization deviations are reduced.

The invention discloses a high stability shading adhesive tape and a processing method thereof. The high stability shading adhesive tape comprises at least one shading tape, at least one hot melt adhesive parallel to the extension direction of the shading adhesive and transparent double faced adhesive tapes located on the outer sides of two ends of the hot melt adhesive. One adhesive sides of theshading adhesive, the hot melt adhesive and the double faced adhesive tape are covered by a supporting film while the other adhesive faces are covered by a handle film, and the peeling force of the handle film is greater than that of the supporting film. According to the scheme, the high stability shading adhesive tape integrates the shading adhesives and the hot melt adhesive effectively into anintegrated structure, and a plurality of adhesives can be attached by one-time operation, so that the efficiency is high. The defect that the weather resistance of the shading adhesives is poor is supplemented by means of the characteristics of the hot melt adhesive fully, so that stable bonding is guaranteed, and the probability of degumming the shading adhesives is avoided. By adding the doublefaced adhesive tape, the hot melt adhesive at constant temperature clings to a to-be-adhered element stably during attachment, and the position precision is guaranteed, thereby providing guarantee tobonding the hot melt adhesive in a follow-up process, and the pasting difficulty is reduced.

The invention discloses application of a molecular marker based on a TYRP1 gene in giant salamander body color breeding, the nucleotide sequence of a giant salamander TYRP1 gene coding region is cloned for the first time, the full length is 1584bp, 527 amino acid residues are coded, and a tyrosinase (177-411 amino acid) functional structure domain is included; detecting the expression profile difference of the TYRP1 gene in tissues with different body colors and skin tissues with different body colors of the wild giant salamander by adopting a real-time fluorescent quantitative PCR (Polymerase Chain Reaction) technology; complete sequences of CDS regions of TYRP1 genes with different body colors are compared to find that TYRP1 genes of yellow body color individuals have two nucleotide insertion sites, so that a decoding frame is changed, and an amino acid sequence is interrupted. The invention provides an effective molecular marker for directional breeding of giant salamander body color, provides a method for researching a molecular genetic basis and a cell metabolism mechanism formed by body color diversity, is beneficial to breeding of new giant salamander strains, and solves the problem of germplasm degeneration of giant salamanders.

The invention provides a curling tea temperature-changing re-roasting shaping processing method. The method is as below: preliminarily drying the tea being processed to the moisture content of 35-55%, and repeatedly extruding and moulding the tea in successive high temperature-low temperature repeated temperature change; for green tea, the tea being processed is rolled green tea after; for black tea, the tea being processed is fermented black tea; and for oolong tea, the tea being processed is rubbed oolong tea. The method of the invention is easy for realizing continuous operation from feeding to discharging; and the prepared tea product had the quality characteristics of smooth glossy dry tea color, curly tight shape, high aroma and mellow taste, and achieves the coordinating and unifying of color and shape of tea products.

The invention discloses a virtual reality teaching application evaluation system based on ideological and political education. The system comprises a VR virtual teaching instrument, a cloud server, aVR virtual evaluation system and a feedback system. The VR virtual teaching instrument is used for inputting assignment of index parameters and presenting virtual reality teaching. The VR virtual teaching instrument is connected with the cloud server through a network. The VR virtual teaching instrument is in network connection with the VR virtual evaluation system through the cloud server. The VRvirtual evaluation system is used for receiving, analyzing and calculating the application indexes of the VR virtual teaching instrument; the VR virtual evaluation system is connected with the feedback system through a network. The feedback system is used for transmitting, converting, classifying, counting and feeding back the application indexes analyzed and calculated by the VR virtual evaluation system, is connected with the cloud server through a network, and is in network connection with the VR virtual teaching instrument through the cloud server.

The invention discloses a rotary pressing method of a rotation curve part with front and back mounting sides. The method comprises the steps that firstly, a forge part is turned into the size before rotation; secondly, a middle segment is rotatably pressed, the large end back face of the part is turned into a step face, meanwhile, a step on the end face of a mould is removed, the back face of a large mounting side is attached to the end face of the mould, the axis of the part and the axis of the mould are kept parallel, and the edge of the outer circle of the small end of the part is chamfered; thirdly, the rotary pressing face serves as the turning standard, the non-rotary-pressing segment is subject to finish turning machining, through control over the thickness reduction of the wall thickness, the rotary pressing elongation amount is stabilized, through the theoretical analysis and the rotary pressing test, the shape face structure and the positioning compressing manner of the rotary pressing mould are determined, the rotary pressing elongation is changed in the required direction, and therefore the shape face distortion is prevented, the traditional thought that part machining depends on large and small end positioning is broken through, the new thought that the curve serves as the machining standard is created, and coordinating and unifying between the rotary pressing shape face and the machining surface are achieved.

The invention discloses a control device and a control method for low-voltage switchgear, wherein the control device comprises: a voltage detection module for detecting the voltage, frequency and phase of a dual power supply; a current detection module for detecting the current of the dual power supply; The module is used to judge the validity of the dual power supply and whether the feeding circuit of the dual power supply is faulty; the action module is used to adjust the switch status of the dual power supply side; the parameter setting module is used to obtain the preset reference parameters; the power supply module is used to It is used to provide power for voltage detection module, current detection module, judgment module, action module and parameter setting module. According to the voltage and current of the dual power supply, the invention judges the validity of the dual power supply voltage and whether the load is faulty, so as to adjust the switching state of the low-voltage switchgear, realizes the coordination and unity of the protection function of the low-voltage power distribution system and the conversion function of the dual power supply, and effectively prevents the In order to avoid more serious accidents caused by the implementation of dual power conversion when there is a line fault.