1312results about How to "Improve the effect" patented technology

The invention discloses a method and a system for screening search results. The method comprises the following steps of: 1, acquiring a keyword input by a user and a geographical position coordinate of the user; 2, performing word meaning judgment on the input keyword and judging whether the keyword is a phrase having a determined meaning; 3, if the input keyword is the phrase having the determined meaning, screening out data which is the same as the phrase from a database and turning to the step 5; 4, if the input keyword is an undetermined phrase, performing keyword matching on a search phrase, screening out data matched with the phrase, and turning to the step 5; and 5, sequencing the screened out data according to the geographical position information of the user and outputting the search results. By the invention, search information can be inquired according to the geographical position information of the user; and the personalized search results of different users can be met.

A method and device for reading comprehension based on an attention mechanism and an electronic device are disclosed. The method comprises the following steps: respectively converting the obtained text data and the problem data into word vectors; processing the word vector representations of the problem and the text to obtain the semantic vector representations of the problem and the text respectively; semantically enhancing the semantic vector representation of the problem and the text. The context representation of the fusion problem information is obtained through the attention mechanism layer. The context representation of the fusion problem information is semantically enhanced, and the answer corresponding to the problem data is obtained based on the enhanced context representation ofthe fusion problem information and the enhanced problem semantic vector representation. In this way, the system for machine reading comprehension is optimized through a specific model architecture using semantic enhancement methods to enhance the effectiveness of the short text answer extraction task.

The invention relates to liquid blast furnace slag granulation method and device thereof, belonging to the technical field of blast furnace utilization in the metallurgy industry. The device comprisesa diversion trench, a slag dropping hole, a granulation device, two or more granulation nozzles and a slag discharging hole. The invention realizes dry process quenching granulation adopting high-speed gas and solid phases carrying solid granules as granulation media, impacting liquid blast furnace slag to crushing, and quenching and solidifying into small granules. In the granulation device, thediversion trench is built by refractory materials and is arranged at the top of the granulation device, the lowest point of the diversion trench is provided with the slag dropping hole which is communicated with the granulation device, the upper part of the granulation device is provided with the granulation nozzles, and an included angle between the outlet axes and the vertical direction of thegranulation nozzles is more than 0 degree and is less than or equal to 90 degrees. The granulation nozzles can be arranged at one side or are symmetrically arranged or circularly arranged by using a center perpendicular line of the slag dropping hole as the center of a circle. The invention strengthens the granulation effect and lowers the power consumption and the equipment investment of the granulation device by utilizing the capacity of crushing the liquid blast furnace slag by a gas-solid two-phase strong jet flow.

The present invention provides a self-adaptive forward error correction (FEC) method, a device and a system, wherein, the self-adaptive FEC method comprises steps of obtaining data of the quality of a current transmission network and determining an FEC strategy according to the data of the quality of the current transmission network, expectant transmission quality data and selected parameters having influences on network transmission content quality. The self-adaptive FEC device comprises an obtaining module for obtaining the data of the quality of the current transmission network; a strategy determining module for determining an FEC strategy according to the data of the quality of the current transmission network, expectant transmission quality data and selected parameters having influences on network transmission content quality. The present invention also provides a self-adaptive FEC system. According to the invention, because influence of parameters having influences on network transmission content quality is considered in the selecting process of an FEC strategy, the FEC effect can be improved.

The invention discloses a method for extracting rare earth from oxidized neodymium iron boron waste. The method comprises the following steps of: mixing the neodymium iron boron waste with water and then grinding; oxidizing the ground neodymium iron boron waste; performing primary grinding of the oxidation product; adding acid and leaching; separating solid from liquid; extracting to remove iron; chloridizing rare earth; extracting and separating rare earth; extracting to remove aluminum; precipitating; and firing. By adopting the method disclosed by the invention to recover the rare earth, the rare earth recovery rate is increased by 5-8%; and moreover, the use value of the recovered rare earth is increased, the production cost of further processing is lowered, the problem of muddy objects of the molten salt when in single rare earth electrolysis is effectively solved, the electrolysis efficiency when in the electrolysis of the rare earth metal is improved, the power consumption can be effectively reduced, and the content of the non-rare earth elements in metal such as C, S, O and the like is reduced.

The invention discloses a real-time subtitle display method and system. The real-time subtitle display method comprises the steps of receiving speech data of a speaker; performing speech recognition on the current voice data to acquire a subtitle text to be displayed; adding punctuations to the subtitle text to acquire subtitle text clauses; determining and marking whether each text clause requires to be paragraphed at the end position or not; determining a subtitle display basic unit according to prosodic features of the speaker; and displaying the subtitle text according to the subtitle display basic unit. By using the real-time subtitle display method and system disclosed by the invention, an information transferring effect of the speaker can be improved.

The invention discloses a calculation method for electric quantities of a battery, a device and a terminal. The method includes acquiring a preset discharge datum of the battery corresponding to a current working state of the terminal; and acquiring current voltage of the battery of the terminal and calculating the current electric quantity of the battery according to recorded corresponding relation of the current voltage and a record of discharge data, wherein different discharge data correspond to different working states of the terminal, and the discharge data record the corresponding relation of voltage and the electric quantities of the battery. By the aid of the calculation method, high-precision electric quantity of the battery can be known, and a better experience is provided for a user.

The invention discloses a power distribution network voltage regulation and reactive compensation whole-network coordination control method and device. The method includes: collecting real-time operation data of each monitoring point of a power distribution network and gauge electric quantity data; performing topology analysis on the power distribution network, and dividing subnetworks; on the basis of the collected data, analyzing flexibility of transmission loss to reactiveness, and determining to-be-input or remove control reactive compensation equipment; on the basis of the collected data, analyzing flexibility of node voltage to subnetwork threshold voltage, and determining to-be-regulated voltage regulation equipment; issuing control instructions to the reactive compensation equipment and the voltage regulation equipment. By the method, power distribution network voltage regulation and reactive compensation coordination control effects can be increased effectively.

The invention discloses a novel polymer-based electromagnetic shielding film or sheet and a preparation method thereof. The electromagnetic shielding material is formed by arranging insulating layers and conductive layers in an alternate lamination mode, wherein the insulating layers are made of polymer resin; the conductive layers are made of two-dimensional conductive substance filled polymer resin; and the insulating layers and the conductive layers have a high electrical resistance rate. A large number of laminated interfaces exist in the material, are oriented by two-dimensional platy conductive substances and are parallelly arranged. The preparation method comprises the following steps of: putting materials of the insulating layers and the conductive layers into two extruding machines of a micro-laminated co-extrusion device respectively for fusion plasticization; superposing two melts to form two layers of melts at a convergence device; and cutting and superposing by using n layer multipliers to obtain 2(n+1) layers of electromagnetic shielding materials. According to the film or sheet and the preparation method, the layer number of the electromagnetic shielding materials and the ratio of the thickness of each conductive layer to the thickness of each insulating layer are determined by the number of the layer multipliers and the rotation speed ratio of the extruding machines respectively; the film or the sheet has designable structures and properties; and compared with an electromagnetic shielding material prepared by the conventional method, the electromagnetic shield material has a high electromagnetic shielding effect and a high breaking elongation rate. The equipment provided by the invention is simple and readily-available, required materials are commercially available, other chemicals are not required to be synthesized, and the equipment is easy to operate and has low production cost and high efficiency.

The invention discloses an information reminding method and device and belongs to the technical field of networks. The method comprises receiving broadcasting reminding information which carries anchor identification; determining whether audio reminding files corresponding to the anchor identification are stored in the home terminal; broadcasting the audio reminding files when the audio reminding files corresponding to the anchor identification are stored in the home terminal. The device comprises a receiving module, a determining module and a broadcasting module. By means of the method and the device, the terminal broadcasts the audio reminding files when receiving the broadcasting reminding information sent by a server and determines that the broadcasting reminding information is used for reminding broadcasting of certain anchor concerned by users, so that the attention of the users can be drawn, and the information reminding effect is improved.

The invention discloses an OFDM (Orthogonal Frequency Division Multiplexing) signal peak-to-average ratio inhibition method based on hyperbolic companding and combined amplitude limit, and mainly solves a high peak-to-average ratio problem of a wireless OFDM communication system transmission signal. The method comprises the following steps: (1) carrying out orthogonal intersection amplitude modulation on data bit stream generated by an information source; (2) carrying out OFDM modulation after serial-parallel conversion of an orthogonal intersection amplitude modulation symbol, and obtaining an original OFDM signal; (3) carrying out amplitude limit and companding conversion on the original OFDM signal; (4) calculating an OFDM signal peak-to-average ratio after conversion, followed by emitting after conversion; (5) carrying out serial-parallel conversion and decompression expansion on a received signal; (6) carrying out OFDM and quadrature amplitude demodulation on a decompression expansion signal, and calculating a signal error rate. According to the invention, a compromise is reached between OFDM signal peak-to-average ratio inhibition and system error rate performance, mean power constancy of a signal before and after signal companding is guaranteed, and the method can be applied to a variety of broadband wireless OFDM communication systems.

The invention discloses an aquaculture sewage treatment method, which specifically comprises the following steps of: firstly, feeding an microbial agent into sewage discharged from a culture pool, then introducing the sewage into a flocculation basin, and continuously feeding flocculants under the condition of continuous air aeration, wherein the hydraulic retention time is 15-30 minutes; and introducing the sewage subjected to air aeration and flocculation treatment into a membrane device under the action of a constant-flow pump to complete filter treatment, directly discharging permeated clear water or returning the permeated clear water to the culture pool for reutilization, and returning concentrated sewage to the flocculation basin for continuous treatment or directly discharging partial of the concentrated sewage. According to the aquaculture sewage treatment method, a biological treatment technology, a flocculation technology and a modern membrane filtration technology are organically combined, so that water quality is guaranteed, the production efficiency is increased, the production cost is greatly reduced, the advantages of simple process, stable system, small occupancy, low operation cost and the like are achieved, and bacteria and suspended matters in the sewage can be removed, and the purpose of safety recycling is achieved.

The present invention relates to an oven which comprises an oven body which is provided with a baking cavity body inside, a front frame arranged at the face of the over body, an oven door which can open and close the cavity body and a faceplate which is arranged over the oven door. The oven body is provided with a vent. A gap is arranged between the oven door and the faceplate. The oven door is provided with a cooling passage which is provided with an upper intake and a lower intake. The upside of the cavity body is provided with a cover plate. The cover plate and the external wall of the cavity body form an air course with an inlet and an outlet. The inside of the oven body is provided with a fan which ensures the airflow inside the air course flows from the inlet to the outlet. The oven of the present invention is characterized in that the front frame is provided with a through hole which is corresponding to the gap and the upper intake; the inlet of the air course is corresponding to the through hole, which ensures that the lower intake of the cooling passage and the gap become a first air inlet and a second air inlet respectively; the vent on the oven body becomes an air outlet. The present invention uses the double functions of the natural rising of hot air and the compulsory driving of a motor, so the refrigeration effect of the oven door is better, meanwhile, the gap is used as the second air inlet, which also ensures the using safeness.

The invention discloses a multi-mode fusion hand function rehabilitation training and intelligent evaluation system, which comprises a rehabilitation training mechanism, a sensor data collecting device, a rehabilitation evaluation system and a scene interaction game system, wherein the rehabilitation training mechanism is used for performing rehabilitation training on the fingers and the wrist; the sensor data collecting device is used for collecting one or various kinds of signals from a surface electromyographic signal, a force signal and a posture signal in real time; the rehabilitation evaluation system performs quantitative evaluation on the rehabilitation training condition of a patient according to a multi-mode signal collected by the sensor data collecting device; and the scene interaction game system is used for providing information feedback such as rehabilitation training, effect evaluation and vision for the patient. The multi-mode fusion hand function rehabilitation training and intelligent evaluation system disclosed by the invention has the advantages that by aiming at the rehabilitation training of a cerebral stroke patient, real-time feedback regulation and control, quantitative evaluation and game feedback can be performed in the rehabilitation training process; the training enthusiasm of the patient is effectively aroused; and the rehabilitation training effect is enhanced.

The invention relates to a slicing device, in particular to an efficient watermelon slicing device and aims to provide the efficient watermelon slicing device which can cut a watermelon more uniformly, is high in efficiency and ensures neat and attractive cutting. In order to solve the technical problem, the provided efficient watermelon slicing device comprises a baseplate, an N-shaped support, a cylinder, a circular support, an inserting rod, cutting lines, a supporting tube and the like, wherein the N-shaped support is connected between the left end and the right end of the top of the baseplate; the cylinder is vertically mounted in the top middle of the inner side of the N-shaped support; a telescopic rod of the cylinder is connected with the circular support; the inserting rod is vertically connected to the bottom of the inner side of the circular support; and the plurality of cutting lines are connected between the bottom of the inserting rod and the circular support. According to the efficient watermelon slicing device, the watermelon is uniformly cut by the cutting lines, so that water loss of the watermelon, caused by cutting through a blade, is avoided, and the stability of the watermelon can be guaranteed by a guiding device and a clamping device during slicing.

The invention provides a mobile terminal and an image processing method thereof. The image processing method comprises that according to an input operation instruction, a front camera of the mobile terminal is started; a first image collected by the front camera is obtained and mirrored to obtain a second image; and the first image and the second image are displayed in a first area and a second area of a display screen of the mobile terminal respectively, and the first area is not overlapped with the second area. When the user uses the front camera for shooting preview, a preview image effect and a final imaging effect are displayed to the user simultaneously, so that a user can achieve satisfied effect, and shooting experience of the user is improved.

The invention discloses a method for improving photo album classification, a mobile terminal and a computer-readable storage medium. The method comprises: when a new image to be classified is generated, the new image is compared with a class center image of a class of image sets in an image library, and the new image is classified into a corresponding class image set according to the comparison result; the new image is classified into a class center image set according to the comparison result. Before classifying the next new image to be classified, the class center image of the class image set in the image library is re-determined. On the basis of the existing clustering algorithm, by using multi-class centers to participate in image classification and periodically fusing the images of the existing categories in the image library, the effect of album classification can be improved. The effect of album classification includes two parts, one is to maintain the accuracy of image classification in the album, and the other is to reduce the over-subdivision of image classification in the album.

The invention belongs to the field of improvement on power system control technology, and particularly relates to an area control deviation and unit generation deviation-based scheduling feedback control system. By establishing a power grid ACE real-time acquisition system to acquire related frequency, tie-line plan and tie-line real-time data, calculating ACE index values of the power grid per minute and combining ultra-short term load prediction, a novel feedback control system taking load deviation, area control deviation and unit generation deviation into consideration is established so as to guide real-time scheduling of the power grid and establish a corresponding feedback control strategy.

The invention provides a vehicle control method and system and a vehicle. The vehicle control method comprises the following steps that when the vehicle meets the energy feedback condition, the vehicle speed and the brake pedal state are monitored; if the vehicle speed is higher than the first preset vehicle speed, the brake pedal opening degree and the brake pedal opening degree change rate are determined according to the brake pedal state; the brake feedback coefficient is determined according to the vehicle speed, the brake pedal opening degree and the brake pedal opening degree change rate; and the brake feedback torque is obtained according to the brake feedback coefficient and the maximum feedback power of a motor, and energy feedback is conducted according to the brake feedback torque. Through the vehicle control method, a personalized energy feedback mode selection can be provided for a driver, accordingly, energy feedback of the vehicle is more reasonable, and meanwhile, the energy feedback effect is improved.

The invention relates to a human body upper limb functional rehabilitation training implement method based on muscle tone signals. A piezoelectric sensor is arranged on the surface of muscle skins to collect human body physiological random muscle tone signal monoclonal gamma globulin (MMG), collected human body physiological random muscle tone signals contain muscle contraction motion signals which are amplified and filtered by a preprocessing circuit, analog digital conversion is performed on the muscle contraction motion signals through an analog / digital conversion circuit, then the muscle contraction motion signals are led into a personal computer (PC) machine to perform characteristic extraction and pattern recognition to output control signals on behalf of different motion modes to control three-dimensional human body upper limb model motion in virtual environment, subjects can perform different model view controller (MVC) % motion modes in real time on human body upper limb models according to view feedback in the virtual environment, and finally the purpose of functional rehabilitation training is achieved. The human body upper limb functional rehabilitation training implement method is high in accuracy and stability, can achieve the purpose of industrialization and can widen scope of applicable persons.

The invention discloses a production technology of rapeseed oil. The production technology comprises the following steps of: (1) washing rapeseeds cleanly, and drying until the moisture content is 5-8%; (2) frying the dried rapeseeds to have fragrance, and then grinding; (3) feeding the ground rapeseeds into an oil press for pressing oil to obtain primarily pressed rapeseed oil. The harmful substances in the rapeseeds can be effectively damaged by grinding rapeseed cakes with white vinegar after the fried rapeseed cake is primarily pressed, the oil yield of the rapeseeds can be greatly increased, and the decoloration and heavy metal ion removal effects can be improved by adopting a modified decolorizing agent.

The invention discloses a method and device for regulating a home page interface and a smart television and belongs to the field of interface display. The method comprises the steps of: if an application program interface is forcibly closed when a home page interface is displayed on an upper layer of the application program interface, carrying out full screenshot on a visible interface displayed by the smart television to obtain a screenshot image; generating a shielding window and displaying the screenshot image in the shielding window, wherein the window level of the shielding window is higher than that of a floating window in which a home page interface object of the home page interface is located; relieving mounting of the home page interface object from the floating window and mounting the home page interface object on a carrier interface; and closing the shielding window. The problems that an interface flashing phenomenon visually appears on the interface in the mounting process and the visual effect of the interface of the smart television is affected due to the fact that a picture of the smart television is grey in a gap from disappearing to displaying of the home page interface are solved, and the effect of improving the visual effect of the interface of the smart television is achieved.

The invention provides a virtual simulation teaching method and system,user-side devices and a server. When the virtual simulation teaching method is applied to the user-side devices, the method includes the steps of demonstrating three-dimensional digital teaching models generated in advance; receiving operation instructions for conducting operations on the three-dimensional digital teaching models from users; receiving state synchronization information from the server, wherein the state synchronization information is formed by the server according to received state updating instructions sent by the different user-side devices within an assigned time period, and the state updating instructions are used for instructing demonstration states of the three-dimensional digital teaching models on the corresponding user-side devices; according to the operation instructions and the state synchronization information, updating the demonstration states of the three-dimensional digital teaching models; sending the demonstration states of the three-dimensional digital teaching models after updating to the server through a state updating instruction. The virtual simulation method and system, the user-side devices and the server can improve the virtual simulation teaching effect.

The invention discloses a dead zone compensation method for space vector pulse width modulation output based on equivalent vector effect which can effectively avoid output voltage distortion, and is characterized by simple algorithm and strong universality in order to solve the problem that the dead zone compensation method is complicated when space vector pulse width modulation output is employed in the prior art. The compensation method takes the dead zone effect equivalent to the effect of a basic space vector through judging the current direction of each bridge-arm switch device of an inverter and offsets the dead zone effect through increasing or decreasing the non-zero basic space vector action time of a sector area where the modulation vector stays to efficiently realize the dead zone compensation for the space vector pulse width modulation output so as to greatly improve the low-speed control effects.

The invention discloses an object automatic recognition and three-dimensional (3D) reconstruction method in image processing and uses a general counting device and a piece of image recording equipment. The method includes the following steps: according to image types recorded in the image recording equipment, image samples of real samples are recognized to form an object image sample database and a recognition and 3D reconstruction knowledge base is formed; object image samples which are similar enough with object images to be recognized and reconstructed are found according to an object attribute database in the object image samples which is provided with the same structure with the object image sample database; and corresponding 3D models extracted from the object 3D model base of the object image samples are reconstructed by a way of three-dimension. The method of the invention solves the disadvantage that the prior art can only aim at specific objects and being base on specific knowledge, improves the automation degree and the speed of the recognition and the reconstruction and satisfies the urgent need of digital technologies of digital cities and digital medicine, etc. for the automatic efficient image recognition and reconstruction of various objects.

The invention relates to an automotive distributed electronic hydraulic braking system with pressure retaining valves, which belongs to the technical field of automobile braking systems, and comprises a braking operation unit, an electromagnetic valve block, a pedal feeling simulator, a left front wheel braking actuating mechanism, a left front brake, a left front pressure retaining valve, a right front wheel braking actuating mechanism, a right front brake, a right front pressure retaining valve, a left rear wheel braking actuating mechanism, a left rear brake, a left rear pressure retaining valve, a right rear wheel braking actuating mechanism, a right rear brake and a right rear pressure retaining valve. The automotive distributed electronic hydraulic braking system with the pressure retaining valves can avoid that an ESC (electronic stability control) system cannot perform braking interference when part of the wheel braking actuating mechanisms fails, and is beneficial to improvement on ESC interference effects when part of the wheel braking actuating mechanisms fails. Besides, when the wheel braking actuating mechanisms are used for establishing pressure of the brakes, the pressure of the brakes can be retained without continuously electrifying motors of the wheel braking actuating mechanisms, so that energy consumption is reduced.

The invention provides a paint removing method and paint removing equipment for a surface of a metal hanging rack. Liquid-nitrogen soaking and metal particles are utilized to perform paint removal treatment on a paint resin coating on the surface of the metal hanging rack, so that the problem that paint removing effect is poor and environmental pollution is caused due to the fact that the metal hanging rack adopts an existing paint removing method is solved. The paint removing method comprises a liquid nitrogen soaking step and a multi-stage variable-frequency particle colliding step; the paint removing equipment comprises a ring-shaped rail, a self-propelling car, a liquid nitrogen slot, a metal particle impact bin and a control system; the ring-shaped rail is horizontally suspended above the liquid nitrogen slot and the metal particle impact bin; liquid nitrogen is contained in the liquid nitrogen slot; the self-propelling car is arranged on the ring-shaped rail, and can move along the ring-shaped rail; and the self-propelling car is equipped with a clamping mechanism used for clamping the metal hanging rack, a hoisting mechanism used for controlling the clamping mechanism to move up and down, and a drive mechanism used for driving the metal hanging rack to rotate along the longitudinal central shaft thereof.

The invention provides a recommendation algorithm based on user comments. The method is based on a comment recommendation system of deep learning. according to past browsing purchase and comment records of a user, score records of commodities and comments of customers who have purchased the commodities, the preference degree of the user for the commodities is speculated, finally, the recommendation system ranks scores, and the first N commodities with high scores are recommended to the user. According to the method, the comment text information is vectorized by utilizing a natural language processing technology; the importance of each comment and the influence of each comment on the potential customer are calculated according to an attention mechanism algorithm; a convolutional neural network is adopted to capture an interaction feature matrix of a user commodity, so that an interaction vector of the user commodity is generated, finally, the generated interaction vector is input into an FM prediction machine to predict a score, the higher the prediction score is, the more likely the user likes the commodity, and finally, sorting is performed according to the score to recommend N commodities before scoring to the user.

The invention discloses a circuit board grinding production system. The circuit board grinding production system comprises a board grinding rack, a board conveying mechanism, a grinding head position adjusting mechanism, a grinding mechanism, a cleaning mechanism and a drying mechanism. The board conveying mechanism is arranged between supporting side plates of the board grinding rack. The grinding head position adjusting mechanism comprises an X-direction movement assembly, a Y-direction movement assembly and a Z-direction movement assembly. The grinding mechanism comprises a grinding roller, a grinding fixing plate and a grinding motor. The cleaning mechanism and the drying mechanism are both arranged in the positions, between the supporting side plates and close to the grinding head position adjusting mechanism part, of the board grinding rack. The circuit board grinding production system is suitable for circuit boards in various shapes, the grinding position can be adjusted, the grinding pressure can be controlled, and the grinding effect is improved. In addition, by additionally arranging the cleaning mechanism and the drying mechanism, the ground circuit boards can be cleaned, and the working efficiency is improved.