78results about How to "Achieve fluency" patented technology

The invention discloses an experiment teaching system based on a cloud desktop. The experiment teaching system based on the cloud desktop comprises a virtualized server resource pool, wherein a plurality of physical servers are arranged inside the virtualized server resource pool; each physical server is provided with a plurality of virtual machines; a cloud desktop experimental terminal is connected with the physical servers in the virtualized server resource pool through a desktop net interchanger; a main management server is connected with the physical servers through a management net interchanger and is further connected with the desktop net interchanger; a storage server is connected with the physical servers through a storage net interchanger; the physical servers is connected with at least one application server through an application net interchanger. The cloud desktop remote access and the virtual machine technology are utilized, hardware cost and maintenance cost are effectively lowered, and the resource utilization rate is improved. The cloud desktop experimental terminal is low in configuration demand and high in universality and flexibility. The standardization and refinement of the experiment teaching process are improved, safety is high, and the supervision and administration capacity of experiment teaching is enhanced.

The invention discloses an automatic cutting and conveying device of trademark paper of woven bags or mesh bags and belongs to the technical field of automatic manufacture of the woven bags or the mesh bags. The technical problem to be solved is to provide an automatic cutting and conveying device of trademark paper of woven bags or mesh bags, achieve full automation of sewing of the trademark paper and save labor cost and time cost. The technical scheme adopted by the invention is as follows: a paper winding shaft is mounted at one end of a box body; a fixing frame is mounted inside the box body; a circular reversing rod is arranged on one side near the paper winding shaft; a driving conveying wheel, a cutting device, a conveying belt and an unloading device; the unloading device is mounted at the top of an outlet section of the conveying belt; a conveying device of a host for sewing the woven bags or the mesh bags is arranged at the lower part of the outlet section of the conveying belt; a plurality of mark points are uniformly arranged on trademark paper of the paper winding shaft; a trademark paper movable end passes through the fixing frame, the driving conveying wheel and the cutting device and is clamped between a second pressing wheel and the conveying belt; a probe is mounted on the fixing frame and corresponds to a mark point path of the trademark paper.

The invention discloses a time-sharing system and method for electric automobile and system service structure. The service structure comprises electric automobile rental APP in web clients, a web administrator side, main services, sub-services and user's handheld terminals. The main services comprise membership authentication services, heartbeat and message push services, APP services, and message queues. The sub-services and the message queues are both connected with data cache cluster. The service structure adopts the manner of message asynchronous communication to connect various equipment and modules. APP of both the ISO platform and the Android platform shares the same backstage services, thus simplifying the operation. The technical scheme is applicable to the automobile rental service.

The invention provides a method and system for bringing an exercising human subject to the state of optimal psycho-physical functioning, in effect the “runner's high”, by facilitating the state of heart rate variability coherence while the subject is exercising. This is achieved by synchronization of the varying breathing cycle with the varying heart rate variability cycle. This is accomplished by providing a biofeedback signal to the exercising subject indicating when to begin inhalation and when to begin exhalation. Additionally, the human subject is provided with a programmable tempo that is in keeping with the heart rate variability cycle to which their physical motion may be synchronized. An instructive method in the optimal application of the present invention is also provided.

The invention relates to the field of communication or control, and specifically relates to a transmitting method and terminal, a receiving method and terminal, and a data sharing system. The transmitting method comprises the steps: enabling the transmitting terminal to adjust the resolution of collected image information based on a first instruction of the receiving terminal; and transmitting the adjusted image information to the receiving terminal. According to the technical scheme of the invention, the transmitting terminal is enabled to transmit the collected image information to the receiving terminal quickly and smoothly, and the transmitting method can achieve the quick and smooth operation and control between terminals based on the transmitted image information.

The embodiment of the invention discloses a positioning method, a terminal and a computer storage medium, and the positioning method comprises the steps: obtaining a first positioning parameter transmitted by to-be-tested equipment through a first UWB antenna after the communication connection with the to-be-tested equipment is built, wherein the first UWB antenna is configured for the to-be-tested equipment, and one of the plurality of UWB antennas is a UWB antenna; judging whether a preset positioning condition is met or not according to the first positioning parameter; if it is judged thatthe preset positioning condition is not met, sending a switching instruction to the to-be-tested equipment to obtain a second positioning parameter sent by the to-be-tested equipment through a secondUWB antenna, wherein the second UWB antenna is one UWB antenna except the first UWB antenna in the plurality of UWB antennas; and if the second positioning parameter satisfies the preset positioning condition, performing positioning processing on the to-be-tested equipment through the second UWB antenna.

A seat stem adjustment device includes a seat stem received in an outer tube, a control unit connected to a bicycle frame, and a leverage unit located between the outer tube and the control unit. The control unit has a cable which is connected to and driven by a lever. The leverage unit has a top member connected to the outer tube. A first link and a second link are pivotably connected to the top member. The first link contacts the valve rod. The second link has a mediate portion pivotably connected to the top member. The second link is connected to the cable. A resilient member is connected between the top member and the second link. The second link pushes the first link to open or close the hydraulic liquid path when the cable is operated so as to adjust the height of the seat.

The invention provides a player optimization method and system based on an HLS protocol, a storage medium and a terminal, and the method comprises the following steps: judging whether a current videostream based on the HLS protocol can be detected forward or not when a player starts playing; if yes, carrying out forward detection on the current video stream to obtain a transmission streaming media fragment file with a preset duration; downloading a transmission streaming media fragment file of the current video stream based on the current code rate; and replacing the current code rate based on the bandwidth change, and downloading the transmission streaming media fragmentation file of the current video stream based on the replaced current code rate. According to the player optimization method and system based on the HLS protocol, the storage medium and the terminal, the appropriate code rate can be selected for playing based on the current bandwidth, so that the video playing fluencyis ensured, and the user experience is greatly improved.

The invention discloses a cluster architecture type central server and an electric vehicle time-sharing lease system and method. The cluster architecture type central server comprises several cluster nodes, several database servers, an optical fiber interchanger and a disk pack, wherein each cluster node is connected to a user hand-held terminal, an access terminal and a periodic lease device, each cluster node is in communication connection with a subserver, each cluster node is in communication connection with each database server, each database server is connected to the optical fiber interchanger, and the disk pack is in communication connection with the optical fiber interchanger. All the database servers use and manage the same database so as to disperse the pressure of the database servers. The cluster nodes share storage, namely, the disk pack, and data files, online logs, control files and parameter files are all put on the shared storage. The cluster architecture can achieve load balancing of multiple nodes, and sharply reduce the pressure of the servers. According to the technical scheme, the cluster architecture type central server and the electric vehicle time-sharing lease system and method are suitable for rental services of electric vehicles.

The invention discloses a heading machine cutting part with a high-strength telescoping mechanism. The heading machine cutting part comprises a cutting head, a cutting reducer, a cutting motor, a cutting arm, a motor rack, a cutting motor sleeve and a telescopic cylinder, wherein the cutting motor is arranged in the motor rack; the cutting arm comprises a cutting spindle; the cutting head is rigidly connected with the cutting spindle of the cutting arm by virtue of a high-strength bolt; the cutting arm is connected to the cutting reducer by virtue of a connecting bolt; a cylinder seat of the telescopic cylinder is arranged on the motor rack, and a piston rod of the telescopic cylinder is connected with an outer arm of a cutting motor sleeve; the cutting motor is fixedly arranged in the cutting motor sleeve; the cutting motor sleeve is arranged in the motor rack in a sleeving manner; and the cutting motor sleeve can slide along the axis of the motor rack. According to the heading machine cutting part disclosed by the invention, the cutting motor, the cutting reducer, the cutting arm and the cutting head form a complete transmission system, the cutting motor sleeve and the motor rack form a high-strength telescoping mechanism, telescoping is realized under the action of the telescopic cylinder, the reliability is high, and the dynamic and static load resistance is high.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a centrifugal fan, a heat exchanger, an airflow guiding device and a shielding device. The shell is provided with a first air inlet, a second air inlet and an air outlet. The centrifugal fan is arranged in the shell. At least part of a heat exchange region of the heat exchanger is in a flat plate shape, and the heat exchanger is located between the centrifugal fan and the first air inlet. The airflow guiding device is arranged in the shell and used for guiding airflow from the centrifugal fan and airflow from the second air inlet into the airflow guiding device, so that the airflow from the centrifugal fan and the airflow from the second air inlet are mixed, and the mixed airflow with a velocity component in the direction parallel to the rotation axis of the centrifugal fan is sent out from the air outlet. The shielding device is mounted on the shell and used for opening or closing the first air inlet. According to the air conditioner indoor unit, fluidity and temperature adjustment of space air when the wall-mounted air conditioner indoor unit is used can be improved, besides, the mixing ratio of non-heat-exchange air and heat-exchange air can be controlled, and the airflow can be guided to flow.

The invention can use the current position of a moving object calculated by received guiding information and detection signals from a sensing part mounted on the moving object, to update fast and display on a picture of a displaying part. In the invention, the current position of the moving object is calculated by a GPS receiver after the GPS receiver receiving guiding information, and the GPS is interrupted. When the GPS is interrupted, the current position of the moving object is compared with map data stored in a map data storing part by a control part and then is updated and displayed on the picture of the displaying part, and the corresponding position on the map data is set to a standard position. Then detection signals of a sensing part are accumulated from the standard position by the control part, and the current position of the moving object is calculated. The current position of the moving object is compared with the map data by the control part with no GPS interruption, and then the current position of the moving object is updated and displayed on the picture of the displaying part, so the position of the moving object can be uninterruptedly displayed.

The invention discloses an oil field waste liquid treatment coagulation air floatation apparatus. The oil field waste liquid treatment coagulation air floatation apparatus structurally comprises a liquid inlet guide pipe, a top cover, a driving motor, a fixed disc, an air inlet mesh enclosure, a fixed threaded rod, an air floatation waste liquid treatment apparatus, a solid floating residue discharging guiding pipe, a liquid discharging valve, a base, supporting legs and a controller. The air floatation waste liquid treatment apparatus can suck the air in the atmosphere into an air collectionbox by virtue of an initiative air inlet mechanism and drive a jet-flow air compression mechanism to work, the air in the air collection box is compressed by virtue of the jet-flow air compression mechanism, the air flowing at a high speed is guided into a liquid collection box, and a great amount of micro bubbles are generated, so that small suspended solids in the water can be adhered onto the air bubbles and can float to the water surface along with the air bubbles to form the floating residues, the suspended solids in the water can be removed, and the water quality can be improved; and thefloating residue discharging mechanism is cooperated with the jet-flow air compression mechanism, so that the floating residues can be automatically discharged from the liquid collection box, and thecontinuity and automation of the solid-liquid separation process can be realized.

The invention discloses power system transformer winding automatic production equipment, and the equipment comprises a base and fixed plates; the two fixed plates are symmetrically fixed to the top ofthe base, a winding assembly is arranged at the position, located between the two fixed plates, of the top of the base, an unwinding roller is arranged at the tops of the fixed plates, and a windingwire is connected to the surface of the unwinding roller in a winding mode; the winding wire is connected to the surface of the winding assembly in a winding mode, a clamping mechanism capable of driving the winding assembly to rotate for winding is arranged at the position, corresponding to the winding assembly, of the top of the base, the clamping mechanism is in transmission connection with thewinding assembly, and a lifting mechanism capable of moving in a lifting mode is arranged in the fixed plate. Under the action of the clamping mechanism, the equipment achieves the stable clamping effect on the winding assembly, and under the action of the lifting mechanism and the wire clamping mechanism, the equipment achieves the smoothness of the winding assembly and the winding wire in the winding process, and knotting is not likely to be formed.

The invention discloses a Directx texture resource interoperation system and method, and is used for Directx3D11 and Directx3D12 texture resource interoperation. The system comprises an equipment creating unit which is used for creating a Directx3D11 interface on Directx3D12 equipment; and a resource packaging unit which is used for packaging Directx3D12 resources into Directx3D11 available resources and the resources can be used for the Directx3D11 interface. The Directx3D12 resources can be operated on the Directx3D11 interface so that Directx3D11 and Directx3D12 texture resource interoperation can be completed, and cross-version resource continuity and interoperability can be realized.

The invention provides a rope releasing device of an unmanned aerial vehicle, belongs to the technical field of fire rescue equipment, and solves the problem that it is difficult for existing rope releasing devices of unmanned aerial vehicles to perform the traction rope landing operation at the high altitude. The rope releasing device of the unmanned aerial vehicle comprises a rope reel support and a rope reel for winding a traction rope; the top of the rope reel support is connected with the unmanned aerial vehicle; the rope releasing device of the unmanned aerial vehicle further comprises athrowing frame and a driving piece; the throwing frame is connected to the side or the bottom of the rope reel support through a connecting component; and the driving piece can drive the connecting component to act to enable the throwing frame to be separated from the rope reel support. According to the rope releasing device of the unmanned aerial vehicle, when the traction rope is realized to belanded, all that is required is to control the action of the driving piece remotely and throw the throwing frame, the operation is very convenient, and the traction rope can be arranged efficiently during high-rise fire-fighting.

The invention relates to a target identification method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring target video frame image data; performing target detection and identification processing on the target video frame image data to obtain attribute information of a plurality of to-be-detected targets; wherein the attribute information comprises coordinate information and category information; performing exception judgment processing on the attribute information to screen out an exceptional target in the plurality of to-be-detected targets; performing preset structuralization processing on the target attribute information of the abnormal target to obtain target structuralized attribute information; and sending the target structured attribute information to a preset display platform. By adopting the method, the flexibility and intelligence of the computer equipment can be improved.

The invention provides a second-hand ticket transaction method and platform based on a Hasp hash chain and an intelligent contract. The transaction method and platform are based on the Hasq hash chaintechnology, and directional optimization is carried out on the Hasq hash chain technology. In the transaction process, the secret key is directly recorded by the user, and the server only records thehash value, so that the execution efficiency of the system is greatly improved; at the beginning of a transaction, a seller firstly generates a secret key of the seller, the system only stores hash blocks after hash of the secret key into a database, meanwhile, the function of determining a ticket owner and a ticket state is achieved, and the burden of the database is relieved; based on an intelligent contract technology, establishing a transaction network among a plurality of users to realize autonomous negotiation of a distributed decentralized transaction process; and the transaction information, the ticket information and the ownership ownership information are packaged and transmitted through the hash value, so that the confidentiality of information transmission and the communication and transaction directness of the buyer and the seller are well realized.

The invention relates to the technical field of data acquisition, in particular to a method for sorting fragments and a method, a system, equipment and a medium for rasterization of a model. The method comprises the following steps: establishing a longitude and latitude grid taking a viewpoint as a center, and respectively emitting sight rays from the viewpoint through each grid node in the longitude and latitude grid; based on the distance between each region block in the three-dimensional model and the viewpoint, determining an LOD hierarchy corresponding to each region block; for all fragments in each region block, reserving fragments visible to the line-of-sight rays corresponding to the fragments on the corresponding LOD hierarchy. According to the invention, accurate quantitative calculation in the fragment sorting process is fuzzified on the basis of guaranteeing the result reliability, a large number of calculation processes are reduced, the efficiency is high, and the method can be used for rasterization of a three-dimensional model, simplification of a visible area of the three-dimensional model and the like.

The invention relates to a thick plate folding method, a thick plate folding device and a solar power generation device. A thick plate comprises a folding base material and a thick plate material arranged on the folding base material; the method comprises the following steps: processing folds on the folding base material according to a miura-ori paper folding method, dividing the folding base material into N*M subunits by a plurality of folds, wherein N and M are both positive integers, and the thick plate material is located on the subunits; folding two adjacent parallel folds by taking the folds needing to holding the thickness of the thick plate at the periphery of each subunit as a center line, wherein the two adjacent parallel folds are both mountain lines or valley lines, and the distance between the two adjacent parallel folds is greater than the held thickness of the thick plate. According to the method, by the influence of folding one fold to be two parallel folds to hold thethickness in the folds, the defect that common application thickness cannot be smoothly folded is solved, a better engineering tolerance capacity is achieved, and the smoothness of the thick plate folding action and free folding and unfolding are realized.

The invention discloses a sewage treatment system which comprises a sedimentation tank body, a mixing chamber is arranged on one side of the sedimentation tank body, a rotating mechanism is arranged in the sedimentation tank body, a medicine storage box is arranged in the mixing chamber, a medicine control assembly is arranged between the medicine storage box and the mixing chamber, and a mixing assembly is arranged on the inner side of the mixing chamber. The amount of sewage entering the mixing chamber is judged by detecting the flow through the flow detector, the content of impurities in the sewage is judged by detecting the density of flowing sewage through the infrared detection head, the amount of the sewage introduced into the mixing chamber and the content of the impurities are intelligently detected, and then chemicals can be added according to detected data. Then the flow control valve in the medicine control assembly controls the medicine outflow amount of the medicine storage box after the flow detector and the infrared detection head detect the sewage, so that the use of the medicine can be intelligently controlled, and the waste caused by excessive use of the medicine and the poor flocculation effect of the sewage caused by too little use are avoided.

The invention discloses a composite-magnetic-pole electromagnetic iron remover which is composed of a junction box (1), a lifting lug (2) and a magnetic system (3), wherein the magnetic system (3) is formed by sequentially connecting coils (6), an iron core (8), a cylinder (7), a cooling fin (9), a big yoke plate (4), a small yoke plate (5) and a bottom plate (10). The strength of a magnetic field is enhanced, the range of the magnetic field is widened, and therefore, the adsorption capacity is greatly improved. The composite-magnetic-pole electromagnetic iron remover can successfully absorb relatively large and relatively long ferromagnetic impurities so as to achieve the purpose that the ferromagnetic impurities in materials in a variety of conditions can be removed. The two sets of coils of the composite-magnetic-pole electromagnetic iron remover can work at the same time and can also independently work. On one hand, when a metal detector sends a signal for presenting that the relatively large or relatively long ferromagnetic impurities exist, the two coils are adopted for delivery of current at the same time; the strength of the magnetic field is enhanced, the range of the magnetic field is widened, the adsorption capacity is improved, and the relatively large or relatively long ferromagnetic impurities can be successfully absorbed; the smoothness of iron removal is realized; on the other hand, in general, a signal coil is adopted for the delivery of current, and therefore, energy is saved.

The invention discloses a stamping die guiding and positioning mechanism which comprises a lower die frame and an upper die frame. Four corners of the lower die frame are each provided with a positioning sleeve, the outer wall of each positioning sleeve is provided with two positioning strips which are symmetrically arranged by 180 degrees, and each positioning sleeve is internally provided with a positioning hole. Four corners of the upper die frame are each provided with a guiding sleeve, and each guiding sleeve is internally provided with a guiding hole; the inner wall of each guiding sleeve is provided with two guiding slots which are symmetrically arranged by 180 degrees, and each guiding hole is internally provided with a guiding rod; and each guiding rod is connected with the upper die frame in a threaded manner, and the diameter of each guiding rod is the same as that of the corresponding positioning hole. By means of the stamping die guiding and positioning mechanism, the guiding and positioning precision of a stamping die is improved, and the horizontal displacement generated between the upper die frame and the lower die frame is avoided.

The invention relates to the technical field of breeding waste treatment and processing, and discloses a device for rapidly cooling granulated organic fertilizer prepared from breeding waste. The device comprises a drying box body and a pre-storage box, wherein the top of the drying box body and the bottom of the pre-storage box are fixed through two supporting plates distributed front and back, afeeding pipe is arranged at the top of the pre-storage box, a discharging port is formed in the middle of the bottom of the pre-storage box, a quantitative feeding mechanism is arranged between the top of the drying box body and the bottom of the pre-storage box, a suction box is fixedly installed at the top of the drying box body, a piston is movably arranged between the inner walls of the suction box, a push rod is fixedly installed in the middle of the left side wall of the piston, and the left end of the push rod penetrates through and extends to the left side of the suction box. The device solves the problems that existing cooling equipment for dried organic waste particles is low in cooling speed, long in time, low in efficiency and poor in quality.

The invention discloses a truck fuel tank which comprises a fuel tank and a suction pipe. The suction pipe is disposed inside the fuel tank. The truck fuel tank is characterized in that the bottom of the fuel tank is provided with at least one groove, two ends of the suction pipe are provided with a suction end and a discharge end, the suction end is disposed in one groove, the discharge end is provided with a hinge bolt connector, and the suction pipe is hermetically connected with the fuel tank through the hinge bolt connector. The truck fuel tank has the advantages that through length change of the suction pipe and the structure of the hinge bolt connector, smooth fuel supply and convenient installation are achieved, safety of vehicles running on uneven roads and curves is improved, and production truck economy is improved.

The invention discloses a data cache loading method and device for portable terminal equipment and the portable terminal equipment. The data cache loading method comprises the steps that data is read from a data list of a cache to be loaded into a data sliding block of a memory, wherein the total number of data entries in the data sliding block is kept at a first predetermined number; and user interface controls in the first predetermined number are utilized repeatedly, and the data in the data sliding block is sequentially displayed on a display device of the portable terminal equipment, wherein the first predetermined number is set to be far smaller than the total amount of the data in the data list of the cache. By use of the method, only a small amount of data needing to be displayed is loaded into the memory, and a small number of user interface controls are virtually reused for visual display to a user, so that memory consumption is lowered, cache reading speed is increased, and accordingly sliding smoothness of the data list is realized.

The invention discloses a machine learning modeling platform architecture design method based on R language. A visual machine learning operator based on R language is built. R operators in the machine learning operator are allocated to different Hadoop cluster computing nodes by an Oozie component. The Hadoop cluster computing nodes call data managed by an HDFS component, and performs calculation according to the logical relationship of the machine learning operator to get a final result of the machine learning operator. By using the method, distributed computing of the visual machine learning operator based on R language is realized. The modeling platform has rich machine learning operators based on R language and an efficient and flexible programming system. The R operators are adaptively scheduled to different Hadoop cluster computing nodes by an Oozie process control component. Cluster load balance and multi-user high-capacity concurrent modeling computation are realized.