31results about How to "Solve oversized problems" patented technology

The invention discloses a circuit eliminating a shutdown POP sound of an audio power amplifier. The circuit comprises a first triode, a second triode, a first resistor, a second resistor, a third resistor and a fourth resistor, the base of the first triode is connected with a power supply through the first resistor, the base of the first triode is connected with the ground through the second resistor, the collector of the first triode is connected with the power supply of an audio system through the third resistor, and the emitter of the first triode is connected with the ground. The base of the second triode is connected with the collector of the first triode and the connecting end of the third resistor, the collector of the second triode is connected with the power supply through the fourth resistor, the emitter of the second triode is connected with the ground, and the collector of the second triode and the connecting end of the fourth resistor are connected with a pair of ends of the audio power amplifier of the audio system respectively. The circuit has the advantage of being capable of eliminating the shutdown POP sound of the audio power amplifier when the audio system is in a power failure.

The invention relates to a system for realizing modular packaging processing of a bundle in a ReactNative framework. The system comprises a module definition module used for modifying the module identified by a digital id to be a character string with business meaning for identification; a main bundle compiling module used for packaging the ReactNative basic component and the project code into a bundle file; a project file compiling module used for generating a corresponding bundle compiling product for each file; a synchronous mode loading js module used for directly calling pmRequire in a jsenvironment to dynamically load js files in a local file system; and a file loading module used for loading the main bundle generated by packaging and loading the js file of the compiled product according to the configuration in the client. By the adoption of the system for achieving modular packaging processing of the bundle in the ReactNative framework, the bundle of the ReactNative framework is split into the main bundle and the project bundle, and the project bundle is split into the single-page bundle based on the project directory structure.

The invention relates to an LAN-free backup system. The system comprises a main control service module, a medium service module and a backup client module. The backup client module is mounted in a production server; the medium service module is independent of the production server and is mounted in a backup server. The backup client module, after receiving a backup task command, encapsulates required data into a specified data block format and transmits the data to the medium service module via an SAN; after receiving a recovery task command, the backup client module receives a data block from the medium service module and writes the block into a client storage. In a backup process, the medium service module receives the data block from the backup client module, and writes the data block into a backup storage; in a recovery process, the medium service module takes out a corresponding data object from the backup storage according to a recovery time point, and encapsulates the data object into a data block, so as to implement recovery. Compared with the prior art, the system provided by the invention has the advantages of: solving the problem that a backup window is too big, implementing flexible configuration and dynamic adjustment of the medium module, and being easy for integration.

The invention relates to a tricot jacquard warp knitting machine with a jacquard mechanism and a method of adjusting a jacquard stitch length. The machine comprises a frame, a coiling mechanism, a yarn passing mechanism, a pulling mechanism, a creel and a pan head; the coiling mechanism comprises a slotted needle bed, a needle core bed, a decoiling settlement sheet, at least two working line jacquard combs and at least two working line ground combs; the ground combs are arranged behind the jacquard combs; a jacquard comb yarn on the jacquard combs is led out from the creel and passes through the yarn passing mechanism; a ground comb yarn on the ground combs is lead out by the pan head and passed through the yarn passing mechanism. The machine and the method can effectively integrate the jacquard mechanism and a jacquard process into a tricot warp knitting machine so that a thick woven fabric with patterns can be quickly woven; the machine and the method are suitable for decoration, home textile and the like.

The invention provides a polyphone processing method and device and a model training method and device. The polyphone processing method comprises the steps: receiving a Chinese statement containing polyphones, and determining first position features of the polyphones in the Chinese statement; performing word segmentation on the Chinese statement, and determining part-of-speech features of the polyphone based on words obtained by word segmentation and part-of-speech of the words; obtaining a word containing a polyphone, and determining a second position feature of the polyphone in the word containing the polyphone; inputting the first position feature, the part-of-speech feature and the second position feature into a polyphone disambiguation model to obtain pronunciation corresponding to the polyphone.

The invention discloses an evidence obtaining and tracing method and device for terminal attacks and computer equipment. The evidence obtaining and tracing method comprises the steps: obtaining an evidence obtaining and tracing request; according to the evidence obtaining and tracing request, obtaining an object corresponding to a process, a file or an event to be subjected to evidence obtaining and tracing, all tags of the object and event information of the event related to each tag, and adding the object to a pre-constructed attack graph; adding all labels corresponding to the object into apre-established label set; traversing the label set; for each label, obtaining an object corresponding to the label and adding the object into the attack graph, and meanwhile, obtaining an associatedlabel of the label and adding the associated label into the label set for traversing. According to the forensic traceability method, the forensic traceability device and the computer equipment, the sources of all the labels on the object are explained, traceability is carried out according to the generation process of the labels, so that a relatively complete attack graph is rapidly constructed,the storage consumption and the calculated amount are greatly reduced, and the application universality of the forensic traceability method is improved.

The invention discloses a method for predicting regional traffic flow distribution under a variable traffic control scheme based on a weighted multi-agent grouping reverse reinforcement learning algorithm (WMGIRL), and the method comprises the steps: S1, carrying out the urban road network modeling of a to-be-predicted region, and collecting the driving track data in the region; S2, based on the urban road network and the driving track data corresponding to the to-be-predicted region, extracting flow characteristics in the to-be-predicted region through adoption of a weighted maximum entropy inverse reinforcement learning method; and S3, based on the extracted flow characteristics and the urban road network under the current traffic control scheme, processing the flow characteristics by adopting a forward reinforcement learning method based on Multiagent Group to obtain a traffic flow distribution prediction result of the to-be-predicted region.

According to a first-class city power distribution network evaluation method based on the cloud model and the possibility analysis provided by the invention, a set of comprehensive and reasonable first-class city power distribution network evaluation index system is formed from four dimensions of reliability, economy, low carbon and intelligence. The method comprises steps of on the basis of establishing the index system, converting expert semantic description information by utilizing a cloud model, and accurately reflecting randomness and fuzziness of qualitative information; on the basis ofthe cloud model, fusing the cloud models generated by the data indexes and the semantic indexes to obtain a comprehensive cloud model, and achieving qualitative-to-electric-quantity conversion; and analyzing and sequencing the quantitative interval values obtained by the comprehensive cloud model by using a possibility degree analysis method to obtain a final evaluation result. According to the method, one-stream city power distribution network evaluation can be well carried out on each region, and compared with the actual situation, it is proved that the evaluation method provided by the invention has very high feasibility, and the evaluation value has relatively high discrimination.

The invention belongs to the technical field of arch bridge construction, and relates to a single-arch-rib framing swivel construction steel box arch bridge and a construction method thereof. The archbridge comprises a lower rotating disc located on a foundation, a horizontal rotating system fixedly installed on the lower rotating disc, an upper rotating disc installed on the horizontal rotatingsystem in a rotating mode, two sets of bridge deck longitudinal beams fixed to the upper rotating disc, and a vertical rotating hinge installed on the inner side of the upper rotating disc and used for fixing an arch rib to be constructed. The upper rotating disc, the lower rotating disc and arch ribs are arranged in a left-right framing manner, transverse supports and inter-rib cross beams are arranged between the left framing arch rib and the right framing arch rib, a suspender cross beam is fixedly mounted between the bridge deck longitudinal beams, suspenders are arranged at equal intervals along the longitudinal direction of each arch rib, the upper ends of the suspenders are anchored to the arch ribs, the lower ends of the suspenders are anchored to the suspender cross beams, a plurality of secondary cross beams are arranged between the suspender cross beams, and the suspenders, the suspender cross beams, the secondary cross beams and the bridge deck longitudinal beams are connected to form a lattice system in order to construct a bridge deck framework. The construction method guarantees the construction quality of the arch bridge, reduces safety risks and construction cost,and achieves convenient construction.

The invention relates to the technical field of engineering construction, and specifically discloses a road wearing layer construction technology. The construction technology mainly comprises following steps: preparing an asphalt mixture, preprocessing a pavement, spraying modified asphalt, paving the mixture, rolling the mixture, carrying out examination, and using the road. A modified asphalt isused to increase the viscosity of the mixture, the indexes of the mixture are guaranteed at a high / low temperature; the problem that in a conventional ultra-thin wearing layer technology, the degradation of construction depth, draining performance, and noise reducing effect is too quick and severe is solved; the influence caused by construction on the traffic is reduced, and the technology has agood application and popularization prospect.

The invention discloses a compression method of a 3D printing file. The method comprises the following steps of (1) traversing the image data of all layers, setting the data of which the pixel value is smaller than a set value as 0, and storing the new image data; (2) traversing the image data of all layers, obtaining a pixel value difference chart of the current layer and the previous layer, and judging and marking each layer as a difference layer, a non-difference layer or a reference layer; (3) classifying all data into valid data, gray data and invalid data according to the pixel values; (4) if the previous layer is the reference layer, classifying and coding all data of the layer; if the current layer is the difference layer, classifying and coding a difference graph of the layer; if the current layer is the non-difference layer, recording the number of layers; and (5) repeating the step (4) until all the layers are coded or the number of the layers is recorded. According to the method, the storage size of the 3D printing file is effectively compressed in a mode of invalid data filtering, subtraction of the adjacent layer image data and classification and coding.

The invention relates to the field of software testing technology, and particularly to a unit testing code coverage (CC) generation method and device, a readable storage medium and equipment. The method includes: S1, carrying out package dividing processing on reuse testing code blocks in a unit testing process on the basis of service logic; S2, calculating a prediction code coverage data set error on the basis of data of each subpackage obtained after package dividing processing, and using the same as a first error; S3, respectively carrying out code coverage testing on each subpackage obtained after package dividing processing, calculating and obtaining a testing code coverage data set error, and using the same as a second error; S4, judging whether a difference value absolute-value of aroot-mean-square error of the first error and the second error is greater than a preset code coverage standard value, and outputting a prediction code coverage data set if the difference value absolute-value is less than or equal to the preset code coverage standard value, increasing refinement degrees of the service logic in sequence to carry out another time of package dividing processing on each subpackage, which is obtained after package dividing processing, if the difference value absolute-value is greater than the preset code coverage standard value, and executing the S2-S4 in a cycle manner until the difference value absolute-value is less than or equal to the preset code coverage standard value.

The invention discloses a new energy tensioner capable of adjusting motor power through motor displacement, which comprises a driving system, the driving system comprises a transmission part and a driving part, the transmission part comprises a tension motor connected with the tension system and a motor connected with the motor, and the motor is connected with the transmission part. The tension motor is connected with the motor through a tension oil path; the ratio of the displacement of the motor to the displacement of the tension motor is m; an overflow valve is arranged on the tension oil way. The motor power can be adjusted through the displacement of the motor, and the problem that the motor is too large is finally solved. And the overflow valve is arranged on the tension oil way to eliminate the problems of negative influence and increased torque caused by the increase of the displacement of the motor.

The invention belongs to the technical field of bridge construction, and relates to a steel box arch bridge single arch rib framing swivel system and a construction method thereof. The system comprises a lower rotary disc located on a foundation, a horizontal swivel system fixedly installed on the lower rotary disc, an upper rotary disc rotationally installed on the horizontal swivel system and atraction system detachably connected with the upper rotary disc; a vertical rotating system comprises a vertical rotating hinge installed on the inner side of the upper rotating disc and used for fixing an arch rib to be assembled, a buckle cable installed on the outer side of the upper rotating disc, a buckle tower installed on the upper rotating disc and a rear anchor system fixedly installed onthe outer side of the upper rotating disc and used for balancing the upper rotating disc. The buckle cable comprises a lower buckle cable connected between the upper rotary disc and the buckle towerand an upper buckle cable connected between the buckle tower and the free end of the arch rib to be assembled, a plurality of balance cables are installed between the inner side of the upper portion of the buckle tower and the outer side of the upper rotary disc, the construction method guarantees the construction quality of the arch bridge, safety risks are reduced, construction is convenient, and the construction cost is reduced.

The invention discloses a yak multifunctional roadway enclosure, by which yaks are convenient to drive into a roadway. The yak multifunctional roadway enclosure comprises a temporary breeding enclosure and the roadway communicated with the temporary breeding enclosure; and the temporary breeding enclosure is divided into a first temporary accommodating enclosure, a second temporary accommodating enclosure, a center accommodating enclosure and a plurality of sub accommodating enclosures. By subdividing the temporary breeding enclosure, not only is the problem of an excessively large temporary breeding enclosure solved, but also blind spots when the yaks move forwards are also avoided, the yaks can easily and orderly enter the roadway, the whole operation adopts a production line and is programmed and efficiency is greatly improved; moreover, the yaks are separated by a plurality of accommodating enclosures, so that the yaks are difficult to suffer from strong stress; and in addition, by arranging a get-on guide passage, a get-on auxiliary platform, a grouping device and a weighing platform, the roadway enclosure implements various functions of expelling insects, preventing plague, marking ear numbers, marking, grouping, weighing, guiding the yaks to get on a vehicle and the like. The yak multifunctional roadway enclosure is suitable for popularization and application in the field of livestock breeding.

The invention provides a method for producing firework aluminum powder. The method includes the following steps that in the first step, raw materials are molten, wherein the aluminum powder raw materials are placed in a vacuum melting furnace, an intermediate frequency induction heater is used for heating the raw materials, and the raw materials are fully molten to form aluminum melt; in the second step, atomizing is carried out for making powder, wherein the molten aluminum melt flows into an atomization chamber through a flow guide tube, an ultrasonic atomizer in the atomization chamber is used for enabling the aluminum melt to be fully atomized, and the atomized aluminum melt is cooled by a cooling system to form powder; and in the third step, powder collection is carried out, wherein the powder is collected through a powder collection system, and split charging and packing are carried out after collection. By means of the scheme, the atomization effect on the aluminum melt is effectively improved, the uniformity of the powder after atomization is improved, the problem of too large powder is solved, and meanwhile, the production efficiency of the firework aluminum powder is effectively improved.

The invention discloses a heating process method for changing a soft belt of a supporting roll, and belongs to the technical field of heat treatment. According to a heating device structure of a differential temperature furnace of the heating process method, four rows of a plurality of tangential burners are arranged in a furnace shell, and a fiber sleeve is arranged between the supporting roll and the furnace shell. The heating process method comprises the steps that step 1, the differential temperature furnace is filled with the supporting roll, and a sheathed thermocouple temperature monitoring part is installed at the position, 80mm from the two ends of a supporting roll body to the end face of the roll body, of the supporting roll body; step 2, the end face of the fiber sleeve extendsmore than 50mm into the inner surface of the side end wall of the furnace shell, and the number of flames is determined according to the length of the surface of the roll body of a workpiece to be loaded into the furnace; step 3, adjustment is carried out for the first time, the small fire in the middle part remains unchanged, and the wind pressure of the small fire on both sides gradually increases from 1.0-1.5 mbar, the air pressure gradually increases from 1.5-2.0 mbar, the delta value is 1.1, and the big fire is not changed; step 4, the second adjustment is based on the first adjustment,the small fire to large fire state of the burners on the edge part is improved, the original air-fuel ratio is changed, and the delta value gradually increases from 1.0-1.2; and step 5, rotating is carried out for 15 seconds every 10 minutes, and rotating is carried out continuously for 30 minutes before discharging, spraying and quenching to ensure uniform heating of the periphery of the edge part.

The present invention discloses a medicinal solution for deodorization of insoles and a preparation method of the medicinal solution. The medicinal solution comprises the following raw materials in parts by weight: 48-52 g of radix ligustici sinensis, 18-22 g of radix angelicae, 18-22 g of herba schizonepetae, 8-12 g of borneol, 350-370 g of alcohol and 800-830 g of water. The preparation method comprises the following steps: S1, firstly adding accurately weighed alcohol and water to a reactor; S2, successively adding radix ligustici sinensis and radix angelicae to the reactor and conducting stirring at a medium rotation speed of 700 r / min in a stirrer for stirring time of 8-12 minutes; and S3, successively adding the herba schizonepetae and borneol in the reactor and conducting stirring at a high rotation speed of 1,000-1,200 r / min for 30-40 minutes. The medicinal solution for the deodorization of the insoles has effects of dispelling wind and removing dampness and solves a problem ofexcessive foot sweat through the radix ligustici sinensis, has effects of dispelling wind and cold, freeing orifice and stopping pains and relieving swelling and dispelling pus and avoids an effect of fungal infections on foot soles through the radix angelicae, and has effects of relieving exterior syndrome, dispelling wind and promoting eruption, has a relatively good curative effect on allergictinea pedisand other inflammations and thus obtains a good deodorization effect through the herba schizonepetae.

The invention provides a high-precision controllable analog total air temperature signal device. The device comprises a master control computer, a data collection card, an analog switch, and a parallel resistor network; the parallel resistor network is realized by adopting a way of connecting multiple weighted resistors in parallel; the analog switch is electrically connected with each resistor; an I / O port is arranged on the data collection card, and the I / O port controls the analog switch through output digital quantity, and the master control computer is electrically connected with the datacollection card through a bus. By adopting the parallel resistor network and replacing a relay with the analog switch, the precision of the analog sensor resistor is guaranteed on the basis of improving the reliability.

The invention relates to the field of manufacture of vehicle parts and particularly relates to a rear-axle assembly with a torsion-beam main beam, an upper-plate side beam and a lower-plate side beam. The invention aims at designing a rear-axle assembly with overlapping of the torsion-beam main beam, the upper-plate side beam and the lower-plate side beam. The invention mainly overcomes the prior art, manufactures and designs a longitudinal-arm twisting-beam type suspension torsion beam utilizing hydraulic formation. The longitudinal-arm twisting-beam type suspension torsion beam is characterized in that the original reinforced plates are omitted and the side beams are metallized by using an upper plate and a lower plate. The rear-axle assembly with the torsion-beam main beam and the upper-plate side beam and the lower-plate side beam is realized by the following technical scheme. The rear-axle assembly comprises the main beam, the side beams, wheel connecting installation plates and auxiliary-spring installation brackets, wherein the main beam is a closed beam; a U-shaped section reinforcing groove is integrally arranged at the bottom part of the main beam; the main beam is connected on the side beams in an occlusive manner and is connected to the side beams; and the left side beam or the right side beam comprises a side-beam upper plate and a side-beam lower plate which are covered mutually to form a side-beam hollow groove.

The invention relates to the technical field of ferrous metallurgy, and discloses a large metallurgical slag ladle which comprises a ladle body, a lower-layer grating structure and an upper-layer grating structure are arranged in the ladle body, the lower-layer grating structure and the upper-layer grating structure are both formed by processing grating refractory materials, the ladle body is formed by processing ladle body refractory materials, and the grating refractory materials comprise, by weight percentage, 10-20% of refractory materials and 10-20% of refractory materials. Comprising the following components in percentage by weight: 50%-70% of recycled silica bricks, 5%-20% of a carbon-containing regenerated material, 5%-20% of an aluminum regenerated material, 3%-15% of calcium aluminate cement, 0.1%-0.5% of a water reducing agent and 0.05%-0.2% of an anti-explosion agent, and the tank refractory material comprises the following components in percentage by weight: 50%-70% of recycled silica bricks, 5%-20% of the carbon-containing regenerated material, 5%-20% of the aluminum regenerated material, 3%-15% of the calcium aluminate cement and 0.1%-5% of a plasticizer. The invention further discloses a manufacturing method of the large metallurgical slag pot. According to the large metallurgical slag pot and the manufacturing method thereof, the problem that slag blocks are large is solved, and meanwhile the problems that the grating is difficult to assemble and disassemble and is difficult to separate from slag are solved.

The present invention relates to the technical field of software testing, and particularly to a unit testing code coverage (CC) generation method and apparatus, a readable storage medium, and a device. The method comprises: S1, performing, on the basis of service logic, package division processing on reuse testing code blocks in the unit testing process; S2, calculating, on the basis of data of each subpackage obtained by package division processing, a prediction CC data set error as a first error; S3, respectively performing CC testing on each subpackage obtained by package dividing processing, and calculating to obtain a testing CC data set error as a second error; S4, determining whether the absolute difference value between root-mean-square errors of the first error and the second error is greater than a preset CC standard value; if the absolute difference value is smaller than or equal to the preset CC standard value, outputting the prediction CC data set, and if the absolute difference value is greater than the preset CC standard value, increasing the refinement degree of the service logic in sequence and performing package division processing again on each subpackage obtained by package division processing, and performing S2-S4 in a cycle until the absolute difference value is smaller than or equal to the preset CC standard value.

The invention provides an electric car power assembly based on a continuously variable transmission. The electric car power assembly comprises a motor, the continuously variable transmission and a speed change control device. An output shaft of the motor is connected with an input shaft of the continuously variable transmission through a clutch, the continuously variable transmission comprises a base wheel and an output wheel, and a plurality of fan-shaped grooves are formed in the base wheel. A fan-shaped disc is arranged in each fan-shaped groove and can move in the fan-shaped groove. Grooves are formed in the outer circles of the fan-shaped discs and the output wheel, and the fan-shaped discs and the output wheel are connected through transmission elements. Mounting holes are formed inthe fan-shaped discs, cams are mounted in the mounting holes and used for pushing the fan-shaped discs to move in the fan-shaped grooves of the base wheel, and the speed change control device is connected with the cams to control rotation of the cams so as to adjust the outer diameters of the fan-shaped discs to change the speed of the output wheel. According to the electric car power assembly based on the continuously variable transmission, the rated torque of the motor can be effectively decreased, the weights and sizes of a battery and the motor are greatly decreased, and the problem that amotor and a battery of an electric car are too large can be solved.

The invention discloses a circuit for eliminating the POP sound of an audio power amplifier shutdown, comprising a first triode, a second triode, a first resistor, a second resistor, a third resistor and a fourth resistor, the first triode The base of the tube is connected to the power supply through the first resistor, the base of the first triode is grounded through the second resistor, and the collector of the first triode is connected to the third resistor The power supply of the audio system, the emitter of the first triode is grounded; the base of the second triode is connected to the collector of the first triode and the terminal of the third resistor, so The collector of the second triode is connected to the power supply through the fourth resistor, the emitter of the second triode is grounded, and the collector of the second triode and the fourth resistor The connected ends are respectively connected to a pair of audio power amplifiers of the audio system end. Its technical effect is: it can eliminate the POP sound when the audio power amplifier is turned off when the audio system is powered off.