48results about How to "Avoid decimation" patented technology

The invention provides an Internet information release method and system. The method includes obtaining user browsing behaviors of publicity information in the same type in a plurality of historical release activities; obtaining the total number of times of exposure of the publicity information in the type in every release activity in accordance with the obtained user browsing behaviors; obtaining a total gross rating point (GRP) of the publicity information in the type in the release activity according to the total number of audience in every release activity; determining the N + Reach in every release activity in accordance with the viewing times of the same user for the publicity information in the same release activity; obtaining the functional relationship between the GRP and the N + Reach according to GRPs and N + Reach of the plurality of release activities; managing subsequent release of the publicity information in the type in accordance with the obtained functional relationship.

The invention discloses a compound puncture drainage needle, which mainly comprises a guiding needle and an indwelling hose, wherein the guiding needle is sleeved in the indwelling hose; the front end of the guiding needle penetrates through the indwelling hose; the front end of the indwelling hose is tightly matched with the guiding needle, a flow passage gap is formed between the other parts ofthe indwelling hose and the guiding needle, a rubber plug is arranged at the tail part of the indwelling hose, and the tail end of the guiding needle penetrates through the rubber plug; at least one flow passage hole is arranged on a guiding needle wall, on which the flow passage gap is formed; and the side wall of the indwelling hose is provided with a drainage branch tube and a back wash branchtube. The compound puncture drainage needle is convenient for use, simplifies the operational process, reduces the technical requirement on a doctor, and can ensure the puncture in position once, avoid the damage to tissues due to too deep puncture and the pain of a patient due to repeated puncture, draw hydrops of the patient quickly and safely, be convenient for indwelling, draw blood repeatedly for examination or treatment, and be used for injecting medicaments; and the indwelling hose does not fall off and is safe and reliable.

The invention discloses a power grid reactive power optimization method with wind power uncertainty and voltage stability being taken into consideration. The method comprises the following steps: 1) generating possible scenes of a plurality of wind power plants by utilizing a Latin hypercube sampling method, and simulating uncertainty of wind energy output by utilizing the scenes of the wind power plants; 2) with minimum expectation value of reactive power service cost and power grid active power loss being an objective function, and with power plant reactive power output being an optimization variable, establishing a wind power plant reactive power optimization model having constraint conditions according to the number of the preset possible scenes of the wind power plants; and 3) solving the wind power plant reactive power optimization model in the step 2) by utilizing a continuation power flow method, and verifying voltage stability of the reactive power optimization results.

A method and a system for scaling a digital source image consisting of a grid of X by Y pixels into a target image of a different resolution comprises the steps of/tools for: mapping the source pixels onto the target pixels; scaling the source image in the X or Y direction to produce intermediate pixels that are scaled in one direction by determining contributions to each intermediate pixel using a digital filter and accumulating the contributions for each intermediate pixel, wherein each source pixel contributes to one or more intermediate pixels and each intermediate pixel receives contributions from one or more source pixels; and subsequently scaling the intermediate pixels in the other direction by determining the contributions to each target pixel using the filter and accumulating the contributions for each target pixel; wherein each intermediate pixel contributes to one or more target pixels and each target pixel receives contributions from one or more intermediate pixels. The method is preferably carried out on a PE array in an SIMD (Simple Instruction Multiple Data) device.

The invention provides an event map construction method and device, and electronic equipment, and relates to the technical field of information mining, and the method comprises the steps of obtainingmultiple target event texts of a target event; performing meta-event extraction on the target event text to obtain a plurality of original meta-events; wherein the original meta event comprises a first event keyword; determining a plurality of target meta-events matched with the fact map from all the original meta-events based on the preset fact map and the first event keyword; wherein the cause map comprises events connected according to an event causal relationship and/or an event time sequence relationship; and updating the events in the cause map according to the target meta-event to obtain an event map corresponding to the target event text. According to the invention, the complexity of generating the event graph can be reduced, and the obtaining efficiency and event tracking capability of the event graph are improved.

The invention provides a method and device for extracting structured information, equipment and a computer storage medium, and the method comprises the steps: obtaining a to-be-processed text input bya user, and determining the field of the to-be-processed text; determining an information extraction model corresponding to the field of the to-be-processed text, wherein the determined information extraction model is one of a reading understanding model, a sequence labeling model and a sequence generation model; and taking the to-be-processed text as input, inputting the to-be-processed text into the determined information extraction model, and taking an output result of the determined information extraction model as structured information of the to-be-processed text. According to the invention, the extraction accuracy of the structured information can be improved.

The invention belongs to the technical field of natural language processing, and particularly relates to an entity relation joint extraction method and system based on relation guidance, sentences in a target text are encoded, and sentence vector representation in the target text is obtained; for the sentence vector representation, a relation extraction module is used to extract a relation type contained in the target text; the extracted relation type is used as priori knowledge to be fused with word vector representation in a target text sentence, and an entity recognition module is used for recognizing an entity corresponding to the extracted relation type in the target text. Attention to irrelevant entities can be reduced, extraction of redundant entities is avoided, then entity pairs corresponding to multiple identified relation types are identified, the problem of entity overlapping is solved, all entity relation triples contained in sentences are extracted finally, entity relation identification accuracy is improved, and actual scene application is facilitated.

The invention discloses a coagulative precipitation tank, which comprises a tank body and a stirring device for stirring. A coagulant feeding device is arranged on a water inlet pipe of the tank body; a sludge discharge port is formed in the bottom part of the tank body. The coagulative precipitation tank is characterized in that an openable and closable clapboard is arranged in the tank body, and when the clapboard is closed, the tank body is divided into an upper part and a lower part; a liquid extracting device is arranged on the tank body, and comprises a liquid extracting pipe extending into the tank body and a telescopic support for installing the liquid extracting pipe; the support can drive the liquid extracting pipe to move up and down. According to the coagulative precipitation tank with the structure, a coagulation area and a precipitation area are integrated and separated through the clapboard, so that the space is greatly saved. In addition, the liquid extracting pipe for extracting clear liquid in the coagulative precipitation tank can be stretched by utilizing the support according to the height of a liquid level, so that the phenomena that the clear liquid cannot be extracted since the insertion depth of the liquid extracting pipe is insufficient, and a precipitate can be extracted since the insertion depth of the liquid extracting pipe is excessive are avoided.

The invention belongs to the technical field of aviation engines and discloses a fuel nozzle spray cone angle automatic measuring device. The device comprises a spray chamber; the first open end of the spray chamber is provided with a clamp for installing a fuel nozzle; the second open end of the spray chamber is an oil return hole; with the clamp adopted, a fuel nozzle to be tested can be at thecenter of the first open end; at least two through holes are formed in the side wall of the first open end of the spray chamber; at least one of the through holes is disposed properly, so that the comprehensive condition of a taper angle formed by fuel injected from the fuel nozzle can be observed; CCD cameras for shooting the taper angle are arranged at the through holes; and a plurality of lightsources capable of illuminating the spray cone angle are arranged at the side wall of the spray chamber. With the clamp adopted, it can be ensured that the fuel nozzle is at the center of the first open end of the spray chamber; the spray cone angle of the nozzle is measured in multiple directions through the at least two CCD cameras; and the spray of the fuel nozzle is not interfered by externalforces, so that measurement accuracy can be ensured.

The invention discloses an economic statistical data acquisition device of a digital system and an acquisition method thereof, the economic statistical data acquisition device comprises a device shell, a scanning platform is mounted on one side of the upper part of the device shell, a lower pressing plate is arranged above the scanning platform, and metal springs are uniformly distributed on the surface of the lower pressing plate at equal intervals; the device also includes a magnetic suction plate, limiting plates, and a display; the magnetic suction plate is installed above the metal springs, sliding rods are fixed to the left side and the right side of the magnetic suction plate correspondingly, and a movable plate is arranged on the sides, away from the magnetic suction plate, of the sliding rods; the limiting plates are arranged at the front ends and the rear ends of the sliding rods; and the display is mounted on the left side of the scanning platform. Compared with an existing device, the economic statistical data acquisition device of the digital system and the acquisition method thereof have the advantages that the display which can be lifted and overturned can be stored inwards when not used, so that the display stably enters the interior of the device shell, and the situation that the display occupies the area of the acquisition device when not used is avoided; and the display can be protected.

The invention relates to a water-level-reducing and draining structure with horizontal sand wells around a foundation pit, and a water-level-reducing and draining method. The water-level-reducing anddraining structure with the horizontal sand wells around the foundation pit comprises a plurality of vertical sand wells arranged around the foundation pit at intervals, and the one or more horizontalsand wells arranged around the foundation pit, the horizontal sand wells are located in an aquifer where the foundation pit is located, the horizontal sand wells are connected with the vertical sandwells and further connected with a plurality of vertical tube wells, the vertical tube wells comprise water filtering sections and water storage sections, the boundary between the water filtering sections and the water storage sections is located on a bottom interface of the lowest horizontal sand well or is lower than the bottom interface of the lowest horizontal sand well, and the water storagesections are internally provided with water pumping equipment. When the purpose of water level reducing and draining of the foundation pit are achieved, the positions of bottom interfaces of the adopted horizontal sand well structures are very shallow, the depths of the bottom interfaces of the adopted horizontal sand well structures are far less than the depths of vertical well points, thus pumping of more irrelevant groundwater is avoided, and a series of problems caused by excessive pumping of the groundwater and deep groundwater can be relieved and even well solved.

The invention relates to a method for producing back silver paste. The method includes the following steps that S1, organic carriers, glass powder and silver powder are prepared; S2, the silver powder and the glass powder are weighed and poured into a mechanical blender mixer to be mixed, discharging is carried out after even mixing, and thus a mixture of the silver powder and the glass powder is obtained; S3, the organic carriers are added into the mixture of the silver powder and the glass powder, afterwards, the mixture together with the organic carriers is poured into a rotation type blender to be evenly stirred in a rotating mode, in the rotation stirring process, low-speed mixing is conducted first at the rotating speed of 30-100 turns/min until a pasty material with dry powder is achieved, then, the rotating speed is accelerated to 120-280 turns/min, and fast rotating mixing and vacuum pumping are carried out; S4, the mixture after being stirred in the rotating mode is ground for 5-10 times through a three-high mill, so that the back silver paste is obtained. According to the preparation method, the paste is rotated at a low speed to obtain the pastry material without the dry powder, then the paste is rotated and stirred at a high speed, vacuum pumping is further conducted, it is guaranteed that bubbles can be effectively removed, meanwhile, liquid components in the paste can be prevented from being extracted, paste formula proportion unbalance is avoided, and the viscosity is increased.

The invention discloses a deep learning model fairness improvement system and method based on adversarial disturbance, the system comprises a deployment model, a disturbance generator and a discriminator, the deployment model comprises a feature extractor and a label predictor, and the disturbance generator is connected with the feature extractor. A deployment model is prevented from extracting sensitive features of data, and fairness is improved under the condition that the model is not changed. The input data of the deployment model is processed, and the deep learning model does not need to be changed. According to the method, model fairness is improved based on antagonistic disturbance, a corresponding disturbance generator and a discriminator are designed, sensitive attribute information related to fairness is captured by using the discriminator, training optimization of the disturbance generator is guided, sensitive attribute information of antagonistic disturbance hidden data is generated, and information related to a target task is reserved; and the model is prevented from extracting sensitive information of input data in a feature extraction process, so that the prediction fairness is improved.

The invention discloses an extraction mechanism of an industrial sewage purification device for environmental protection engineering. The extraction mechanism comprises a sedimentation tank, a water inlet pipe, a blow-off pipe, a water pumping port, supporting legs and a water pumping device. A water pumping mechanism is arranged, the water pumping mechanism extends into the sedimentation tank through a movable water pumping pipe, clear water is pumped through the movable water pumping pipe, the extending length of the movable water pumping pipe can be adjusted, which is convenient for the sedimentation tank with different heights to use, a second branch pipe is arranged at the bottom end of the movable water pumping pipe, a sealing cover is arranged at the bottom end of the second branchpipe, the left end of the sealing cover is connected with a floating ball, the floating ball drives the second branch pipe to float upwards, clear water at the top end can be pumped conveniently, thefloating ball moves along with the water level, the sealing cover is closed after the floating ball moves downwards by a certain distance, and a sewage layer is prevented from being pumped by the second branch pipe.

The invention provides an SQL statement processing method and device. The method comprises the following steps: analyzing SQL statement semantics to obtain a plurality of clauses; adopting a directed acyclic graph mode to construct a clause dependency relationship of the multiple clauses; constructing a logic execution plan of the plurality of clauses based on the clause dependency relationship; and executing the logic execution plan through the local data node to obtain an execution result, thereby solving the problems that in related technologies, due to the fact that a large amount of data is extracted from the database node, calculation is performed through a single calculation node and the configuration of the calculation node becomes a performance bottleneck of a database cluster, serious network flow congestion is easily caused, and the stability of production and operation of a database cluster is possibly affected as well; the join operation is carried out by utilizing local data nodes as far as possible, it is ensured that a distributed database efficiently executes the join operation, meanwhile, the resource bottleneck of a single computing node and network extraction of huge data are avoided, and efficient and stable operation of the database cluster is achieved.

The thrombus removing device comprises a balloon catheter, a transmission tube and a sheathing canal, the balloon catheter is slidably sleeved with the transmission tube, the transmission tube is sleeved with the sheathing canal, the far end and the near end of the balloon catheter are connected with a balloon and a perfusion unit respectively, the transmission tube is rotationally connected with a thrombus suction head, a thrombus breaking knife is fixed to the far end of the transmission tube, and the thrombus breaking knife is fixed to the near end of the transmission tube. The thrombus breaking knife is contained in the thrombus suction head, the near end of the transmission tube is connected with the driving unit, the near end of the sheath tube is connected with the suction unit, a gap between the outer wall of the transmission tube and the inner wall of the sheath tube forms a thrombus suction channel, and the thrombus suction channel is communicated with the thrombus suction head. A filling channel is arranged in the balloon catheter, the perfusion unit injects or extracts first liquid into the balloon through the filling channel so as to control the balloon to expand or contract, the perfusion unit further provides second liquid for the area between the balloon and the thrombus suction head, and the suction unit sucks thrombus into the thrombus suction head through the thrombus suction channel. The driving unit drives the thrombus breaking knife to cut thrombus, and thrombus fragments are sucked out by the suction unit through the thrombus suction channel.

The invention relates to the technical field of oil tank theft prevention, and in particular relates to an anti-theft truck oil tank which comprises a tank body. Two limiting grooves are formed in thefront end face of the tank body in a limited mode, the two limiting grooves are symmetrically distributed about the vertical central axis of the tank body, an inner oil nozzle and an outer oil nozzleare fixedly connected with the lower side of the rear end face of the tank body, the inner oil nozzle and the outer oil nozzle are symmetrically distributed about the vertical central axis of the tank body, an oil tank opening is fixedly connected with the front position of the horizontal central axis of the upper end face of the tank body, and an outer oil cavity is further formed in the tank body in a limited mode; the anti-theft truck oil tank further comprises a locking component, and the oil tank opening is locked through the locking component; and the anti-theft truck oil tank further comprises a sealing component, the outer oil cavity is sealed through the sealing component, so that the problem that lawbreakers pry an oil tank cover, insert a hose into an oil tank or steal fuel oilthrough an oil tank oil drain screw is solved.

The invention relates to the technical field of rubber gloves, in particular to novel multifunctional rubber gloves. Each novel multifunctional rubber glove comprises a glove body, wherein conductiveyarn layers are adhered to the inner sides of a thumb stall and a forefinger stall of the glove body, and at least two anti-skid layers are adhered to the palm center of the glove body. When the novelmultifunctional rubber gloves are used, the anti-skid performance of the gloves is improved; a smooth medicine bottle can be quickly and firmly grabbed when being grabbed; and in the diagnosis and treatment processes, an ampule is often cut by using a grinding wheel, so that the situation that medicine liquid is extracted by the way of breaking the medicine bottle with the hands and the like andboth hands are easily injured to be infected due to bare hand operation is avoided, the grinding wheel is conveniently stored, and the usage requirement is met.

The invention discloses a disinfecting and filtering device for industrial sewage treatment, which comprises a precipitation device, a discharge pipe is fixedly connected to the side wall of one sideof the precipitation device; one end of the discharge pipe away from the precipitation device is connected with a water pump; one side of the water pump away from the discharge pipe is connected witha disinfection structure; a feeding structure is connected to the middle of the top of the precipitation device; the joint of the discharge pipe and the water pump is connected with a sealing structure; a water inlet is connected above the side wall of one side, away from the discharge pipe, of the precipitation device; an adsorption layer is connected to the bottom plate in the precipitation device; the discharge pipe is connected with a filtering structure; the method has the beneficial effects that the method is simple; through a sealing structure, leakage during drainage of the drainage pipe can be avoided; water passing through the discharge pipe can be filtered and purified through the filter structure, a disinfection lamp can be supported through the supporting structure, the situation of electric leakage caused by installation in a water storage tank is avoided, the precipitated water in the treatment tank can be isolated through the isolation structure, and impurities are prevented from being extracted out.