881results about How to "Solve usability" patented technology

The invention discloses an impact ground pressure split source comprehensive early-warning method of a coal mine which is capable of carrying out split source monitoring early warning by aiming at different load sources of induced impact ground pressure from different space ranges. The method comprises the steps of: installing a microquake monitoring system, a rock noise monitoring system and a mining-induced stress on-line monitoring system; respectively setting the warning threshold value of each monitoring system; collecting and analyzing the monitoring result data of each monitoring system; respectively calculating the weight value occupied by each monitoring system according to the relative importance degree of each monitoring system in the impact ground pressure early warning and the danger level corresponding to the monitoring result data of each monitoring system; comprehensively calculating the monitoring result data of each monitoring system and the weight value of the corresponding monitoring system to obtain the comprehensive early-warning result data; and judging whether the comprehensive early-warning result data exceeds the preset impact ground pressure damager level or not, if so, carrying out the warning, and if not, avoiding the warning. The method has the advantages that missing warning and error warning can be avoided, the operability is high, and in addition, labor and material sources can be saved.

The invention discloses an optimization method for a speaking time of a barrage in a live website. The optimization method comprises the following steps: receiving a barrage request transmitted by a user who successfully logins to a website studio; judging whether the user has a permission to speak according to the barrage request; if so, then judging the identity of the user according to the barrage request; when the identity of the user is an uncommon user, then transmitting an inform that the speaking time is unlimited to the user, and displaying a barrage content corresponding to the barrage request; when the identity of the user is a common user, then judging whether the user is a top user of the website studio according to the barrage request; and if so, then setting a corresponding limited speaking time for the user according to the ranking condition of the user in the website studio. The optimization method for the speaking time of the barrage in the live website provided by the invention can solve the technical problems in an existing barrage live broadcast platform that malicious users occupy a display area of the whole reviews, thus the use and access of normal users are interfered, and the speaking time of users with a higher contribution degree is limited and the degree of participation of the users is affected.

The invention discloses an oxidized graphene metal / metallic oxide nanoparticle modified hollow fiber ultrafiltration membrane, and a preparation method thereof. According to the preparation method, anchoring of metal / metallic oxide nanoparticles on oxidized graphene is carried out; an obtained oxidized graphene dispersion liquid loaded with the metal / metallic oxide nanoparticles is added into a membrane material, and a membrane casting solution is obtained via mixing; the membrane casting solution is subjected to weaving so as to obtain the oxidized graphene metal / metallic oxide nanoparticle doped hollow fiber ultrafiltration membrane. Mechanical strength, water flux, retention rate, hydrophilic performance, pollution resistance, and service life of the hollow fiber ultrafiltration membrane are improved obviously; the preparation method is simple; operation is convenient; and repeatability is high.

The invention discloses a smart home and socialized service control system which can achieve automatic control on smart household electrical appliances and is simple and convenient to operate. The system comprises at least one smart central control device and multiple controlled terminals, wherein the controlled terminals include a household communication device and the smart household electrical appliances. The smart central control device further comprises an instruction receiving module for receiving preset instruction setting information, an instruction storage module for storing the instruction setting information received by the instruction receiving module, and a central processing module, wherein each instruction setting information includes trigger conditions for control instructions, controlled terminal identifications receiving the control instructions and instruction contents included by the control instructions, and the central processing module is used for judging whether the trigger conditions of the control instructions included by the instruction setting information stored in the instruction storage module are met or not, and sending the control instructions including the corresponding instruction contents to the corresponding controlled terminals when the trigger conditions are met.

The present invention discloses a strategy, accounting control method and a system, wherein the method comprises the following procedures: sending down reservation strategy and accounting control PCC strategy to strategy and accounting executing function entity PCEF by strategy and accounting rule decision-making entity PCRF, and adding reservation request of flow information to be reported in reservation PCC strategy; searching flow information and transmitting flow information to PCRF while applying credit line to online accounting system according to reservation request of report flow information in reservation PCC strategy by PCEF, wherein flow information means used flow by user; making PCC strategy and transmitting it down to PCEF according to flow information from PCEF by PCRF. The method according to the invention can make strategy based on user flow information by PCRF.

A process for preparing natural gel of magnesium aluminium silicate from bentonite, attapulgite, bentone, etc includes such steps as pulverizing, preparing slurry, adding pour depressor, stirring, dynamic centrifugal separation, adding inorganic salt containing one-valence metal ions, stirring, pre-activating, adding organic salt containing at least Na ions, stirring for modifying, and post-treating.

The invention relates to a method for preparing superfine calcium carbonate by adopting glycine as a dissolving agent, a modifying agent and an acid-binding agent, extracting effective calcium from calcium sources, such as carbide slag or lime, and the like and charging carbon dioxide into a reactor for calcifying, filtering and washing and application of the superfine calcium carbonate to paper making, paint production, and the like.

The invention discloses a household gas cooker wireless monitoring system which comprises a controller, a wireless transceiver module, a gas cooker ON-state detection unit for real-time detection of the ON state of a gas cooker, an inflammable gas concentration detection unit for real-time detection of the concentration of inflammable gas around the gas cooker, a remote wireless communication terminal for bidirectional communication through the wireless transceiver module and the controller, a clock circuit for automatic statistics of continuous working time of the gas cooker, a hand-operated parameter setting unit, an alarm unit, a solenoid electric valve, and a display unit; the solenoid electric valve is mounted at a gas supply pipe mounted at a gas inlet of the monitored gas cooker, and both the ON / OFF state and the opening degree of the solenoid electric valve are controlled by the controller. The invention is simple in structure, convenient for wiring, simple in operation, high in intelligentization degree, and good in application effect, and can solve the defects of low automation and intelligentization degrees, inconvenient usage and operation, indispensability of personal on-site hand-operated control by users, incapability of realizing remote intelligent monitoring, and the like for current gas cookers.

The invention discloses a PVC / ABS alloy material and a preparation method thereof. The PVC / ABS alloy material contains the following components by weight percent: 20-80 of PVC resin, 10-70 of ABS resin, 1-6 of heat stabilizer, 2-10 of processing aid, 1-15 of compatible and impact-resistant modifier, 1-30 of heat-resistant agent, 1-3 of fire retardant and 0-8 of other aids. The invention fundamentally solves the difficulty that high using performance and high processing performance of the PVC / ABS alloy material cannot be obtained simultaneously, and improves the product fluidity, the heat resistance, the fire resistance and the like on the premise that the physical and mechanical properties are excellent. The invention creatively realizes the optimum comprehensive balance between the using performance and the processing performance of PVC resin and ABS resin, breaks through the barriers set by foreign countries in PVC alloy material production technology, firstly reaches the international advanced level in the PVC alloy material field and further comprehensively promotes the technological level of China in alloy materials.

The embodiment of the invention provides a wireless sensing monitor system, which comprises a wireless sensor and a wireless display device, wherein, the wireless sensor comprises a sensing input device, a sensor ID and a wireless emitting device. When the sensor enters into the triggering state, the sensor ID is sent by the wireless emitting device. The wireless display device comprises a wireless receiving device, a sensor ID synchronous list, a data processing device and a display device; when the display device makes comparison with the ID in the synchronous list after receiving the sensor ID which is sent by the sensor, the triggering sensor information is displayed on the display device if the sensor ID is correlated with the ID in the synchronous list. The embodiment of the invention realizes low cost and the function of networking system monitor through the wireless sensing and wireless communication technology, and especially provides an electronic urine induction and monitor system suitable for the institutions such as the hospitals, the homes for the aged, the nursing centers, etc.

The invention provides a noise reduction method, a device and a mobile terminal. The method and the device are applied to the mobile terminal with double microphones. The noise reduction method comprises the steps that whether the noise of the ambient environment is greater than a predetermined threshold is judged, and a judgment result is acquired; when the judgment result is that the noise of the ambient environment is greater than or equal to the predetermined threshold, a noise reduction algorithm of the double microphones is switched on for noise reduction; when the judgment result is that the noise of the ambient environment is less than the predetermined threshold, the noise reduction algorithm is switched off. According to the technical scheme of the invention, the problem of use inconvenience, which is caused by the fact that the noise reduction algorithm of the double microphones needs manual setting before a conversation, can be effectively solved.

The invention discloses an advanced pre-splitting method for lump coal mining. The method with carbon dioxide pre-splitting and hydraulic fracturing combined is adopted, advanced pre-splitting of a working face is carried out on a coal layer needing mining in a multi-segmental mode from near to far in the advancing direction of the coal layer working face. The advanced pre-splitting method for every segment comprises the first step of hole drilling, wherein pre-splitting drill holes are drilled in the current pre-split segment; the second step of carbon dioxide pre-splitting, wherein a carbon dioxide pre-splitting device is installed in each drilled pre-splitting drill hole, the drill holes are sealed, and then pre-splitting is initiated; the third step of installation water injection pipes, wherein each pre-splitting drill hole is internally provided with one high pressure water injection pipe, and the holes are sealed; the fourth step of hydraulic fracturing, wherein water is injected into the pre-splitting drill holes through the high pressure water injection pipes to carry out hydraulic fracturing. According to the method, steps are simple, design is reasonable, the method is easy to implement and good in use effect, the problems that an existing deep hole blasting pre-splitting method is not safe, serious in pollution, high in investment cost, poor in use effect and the like are effectively solved, and the lump coal rate of a fully mechanized coal mining face is improved effectively.

The invention discloses a Bluetooth Low Energy (BLE) invisible intelligent lock system controlled by BLE equipment. The BLE invisible intelligent lock system controlled by the BLE equipment is based on the BLE wireless communication technology. The BLE invisible intelligent lock system comprises a BLE invisible intelligent lock, the BLE equipment, an application program (APP) capable of running on the BLE equipment, a BLE gateway, and the like. According to the BLE invisible intelligent lock system controlled by the BLE equipment, a key is replaced with the BLE equipment like a daily used smart phone to control the BLE intelligent lock, the BLE technology is adopted to guarantee safety of data transmission and enable the BLE intelligent lock to work over a year normally only by being powered by a battery, requirements of users for safety, convenience and price and the like of a lockset system are met, usage of the key, a lock cylinder and other parts is eliminated by adding only one BLE module, and the lock industry is promoted to step into an energy-saving and environment-friendly lower-carbon time.

A modular and integrated satellite dynamics simulation test system and method, the system is used for the ground simulation test of the small satellite attitude and orbit control system, the small satellite dynamics simulation test system is based on modular construction, including measurement and control upper computer and real-time lower computer . The measurement and control upper computer is a general-purpose computer, which runs the human-computer interaction software of the simulation system; the real-time lower computer includes the chassis, controller, digital signal acquisition and output card, analog signal acquisition and output card, RS‑422 communication card, CAN communication card, power supply Card, interface box, real-time lower computer except the chassis and interface box, all functional module boards are integrated based on the PXI bus, and the lower computer controller runs dynamics simulation calculation software. In addition to the interface box of the real-time lower computer, other modules are integrated inside the chassis. The upper computer and the lower computer are connected through Ethernet, and communicate based on the TCP / IP protocol, and carry out the interaction of operation instructions, collected data and simulation data. The present invention is applied to the simulation test of the attitude-orbit control system of the small satellite, which improves the integration and scalability of the small-satellite attitude-orbit control simulation test equipment, and the deployment of the equipment is simple and fast.

The invention discloses a rotating grass trimmer which comprises a shell, a motor, a wire box, a length detection element, an electromagnet and a control element. A wire reel and a pay-off shifting fork are arranged in the wire box, a trimmer line is wound on the wire reel, one portion of the trimmer line penetrates the wire box and has a rated length outside the wire box, whether pay-off is performed or not is controlled according to the fact whether the penetrating portion of the trimmer line exceeds the rated length or not when the grass trimmer starts rotating, the length of the trimmer line is judged by detecting centrifugal force generated by the penetrating portion of the trimmer line in the whole process, pay-off control is realized by the electronic control element, gratuitous waste of the trimmer line can be decreased, and operation of a user can be greatly facilitated.

The invention discloses a movable connector with a self-locking device. The movable connector is characterized in that a plug mounting board is provided with a guide post pair; locking grooves with annular structures are arranged on the guide posts; a socket mounting board arranged on a movable seat is provided with a guide cylinder pair and a locking mechanism; the locking mechanism comprises a pair of symmetrically arranged locking claw; one end of the locking claw is a lock hook; the side wall of the locking mechanism close to the guide cylinder is provided with a window adaptive with the lock hook; when the movable connector is connected and locked, the lock hook passes through the window, and the end part of the lock hook is located in the locking grooves on the guide posts. By usingthe movable connector, the problems that the movable connector is lack of a locking device and the connection reliability is weak, and the connector is not convenient to use because that the connector is locked or unlocked with the aid of tools in the prior art, can be effectively solved. The movable connector provided by the invention is stable in connection and good in reliability, can be self-locked after the connector is plugged, and can be unlocked without any tools, thus, the use is very convenient.

The invention discloses a fuel battery-based emergency power generation vehicle. The vehicle comprises a vehicle body and is characterized in that: a hydrogen supply module, a fuel battery system, a high-power boost DC / DC converter, a DC / AC inverter and a distribution box are arranged on the vehicle body and electrically connected in turn; a secondary battery pack is connected between the high-power boost DC / DC converter and the DC / AC inverter through a low-power bidirectional DC / DC converter which is connected in parallel with the high-power boost DC / DC converter and the DC / AC inverter; a start-stop switch module, a 24V DC / DC converter and the input end of a 12V DC / DC converter are also connected in parallel between the low-power bidirectional DC / DC converter and the secondary battery pack; the start-stop switch module is connected with a control panel; the 24V DC / DC converter and the output end of the 12V DC / DC converter are connected with a monitoring module respectively; and the monitoring module is also connected with the hydrogen supply module, the fuel battery system, the high-power boost DC / DC converter and the start-stop switch module respectively. The fuel battery-based emergency power generation vehicle has the advantages of simple structure, convenient use and capacity of effectively solving the problems of high noise, easy environmental pollution and the like in the prior art by using hydrogen energy sources.

The invention provides a waterborne polyurethane weather-proof elastic waterproof paint. The paint comprises an emulsion, a filler, a pigment, an accessory ingredient and water, wherein the emulsion comprises an elastic waterproof emulsion and waterborne polyurethane prepolymer; the filler comprises talcum powder, ceramic powder and light calcium carbonate; the pigment is of mica powder; and the accessory ingredient comprises the following components: propylene glycol or ethylene glycol, film-forming accessory ingredient, a sterilizing agent, a flatting agent, a dispersing agent, a thickening agent, an antifoaming agent, an ultraviolet light absorber and a pH regulating agent. The problems of complicated using process of the paint, low elasticity, poor crack resistance and poor ultraviolet radiation in the prior art are solved. The invention also provides a production method of the paint, and is used for solving the production problem of the waterborne polyurethane weather-proof elastic waterproof paint.

The invention discloses a garbage bag laying device and an intelligent garbage can. The garbage bag laying device is used for laying a garbage bag into a garbage can body, and comprises a vacuumizingassembly, and a motor driving the vacuumizing assembly, wherein the vacuumizing assembly is provided with an air inlet port and an air outlet port, the air inlet port is communicated with an air extraction port in the inner wall of the garbage can body, and the air outlet port is communicated with the outside of the garbage can body. Due to the arrangement, the problem that the existing intelligent garbage can is incapable of realizing automatic bag sleeving or a bag sleeving structure is relatively complex and inconvenient to use.

A method for cleaning sewage by vertical undercurrent type artificial wet land in northern area features that a scientific microbe carrier network consisting filler layers, insulating reproduction layer, etc is disclosed for fast forming a biomembrane system for playing its cleaning role without plants in the winter, a deeply buried multi-layer water tube network can prevent freeze and cracking, and more insulating techniques are used to keep the temp of sewage to be treated to 15-20 deg.C.

The invention discloses a fractal and composite right / left-handed transmission line-based miniature double-frequency microstrip rat-race coupler, which consists of four composite right / left-handed transmission line (CRLH TL) braches and four input / output ports, wherein the four CRLH TL branches are sequentially connected end to end, and have a Koch fractal structure respectively; the four input / output ports are connected between every two adjacent branches respectively, and are used for connecting small A type (SMA) joints; the four branches comprise three CRLH TL branches with completely identical circuit parameters and the CRLH TL branch with different circuit parameters, namely, the four branches comprise three transmission line branches which realize +90 degrees and -90 degrees on the frequency bands of fL and fH respectively and the transmission line branch which realizes -90 degrees and -270 degrees on the frequency bands of fL and fH respectively; and each of the four branches is formed by concatenating two CRLH TL units. The fractal and composite right / left-handed transmission line-based miniature double-frequency microstrip rat-race coupler is rationally designed, convenient to realize, good in using effects, highly accuracy and widely applicable, and can effectively solve the problems of complex method, poor using effects, large volume, incapability of really working in a double-frequency mode and the like of the conventional double-frequency rat-race coupler.

The invention discloses an oral composition containing Ectoine and hyaluronic acid and application of the oral composition. The oral composition is prepared from, by mass, 0.1-5% of high molecular weight hyaluronic acid or salt thereof, 0.1-5% of low molecular weight hyaluronic acid or salt thereof, 0.01-1% of tea polyphenol, 1-3% of xylitol, 0.1-1% of Ectoine and the balance water, and the totalpercentage is 100%. Accordingly, the Ectoine, different molecular weights of hyaluronic acid or salt thereof, tea polyphenol and xylitol are compounded, the bio-safety is high, the synergetic effect is achieved, the effects of nursing wound surfaces, diminishing inflammation, promoting healing and the like are achieved, and the oral composition is applicable to oral care application such as oral care after cancer chemotherapy and oral ulcer care and can also be applied to the field of medical products, medical equipment and disinfection products.

The invention discloses a waterborne photochromic coating as well as nail polish and a decorative material. The waterborne photochromic coating is prepared from the following components in parts by weight: 30 to 90 parts of a waterborne polyurethane acrylate oligomer, 1 to 10 parts of an epoxy group-containing monomer, 0.5 to 5 parts of a reactive emulsifier, 0.5 to 10 parts of a photoinitiator, 0.2 to 30 parts of a waterborne photochromic agent, 0.5 to 5 parts of a waterborne wetting dispersant, 0.05 to 5 parts of a waterborne flatting agent and 1 to 20 parts of deionized water. The waterborne photochromic coating disclosed by the invention has the advantages that the problems of low curing speed and low efficiency of a heat curable photochromic coating, and the problem that a large amount of solvents or volatile monomers are used in a UV (ultraviolet) photochromic coating are solved; the waterborne photochromic coating is suitable for coating various plastic substrates or nail, and has relatively-high industrial production benefits and a good application prospect.

The invention discloses a high-dynamic-range image acquisition method of single exposure. The method comprises the following steps of: comparing an ideal average brightness value B0 with an average brightness value of all pixels of a bright image and a dark image acquired through exposing a charge coupled cell within an initial exposure time t0; calculating out a new exposure time tnew through a digital signal processor; exposing the charge coupled cell within the new exposure time tnew to acquire a bright image and a dark image and respectively comparing a threshold value S with brightness values of the first pixel to the Nth pixel of the bright image and the brightness values of the first pixel to the Nth pixel of the dark image; and acquiring the brightness values of the first pixel to the Nth pixel of a high-dynamic-range image through a formula, wherein the image comprising the brightness values of the N pixels is the high-dynamic-range image. By acquiring a high-dynamic-range image through the single exposure of an image sensor, the invention solves the technical problems of small dynamic range, unavailability in a motion scene, and the like of a traditional image acquisition method and has the advantage of low production cost.

The method includes following steps: setting up computer to make computer support starting up operation from memory media; starting up computer, booting computer from prearranged memory media till kernel of operating system is loaded; non-interactive mode is adopted to drive computer devices circularly till driving, configuring and using computer devices are successful. The invention also discloses an integrated operating system running on multiple memory media. The invention solves difficult issues: non-interactive configuring drive of hardware including pointer device, display resolution of screen, refresh rate etc. as well as entering into graphic user interface. Compressed file system is utilized in the method to increase effective memory capacity. The method can be run on read only memory media so as to physically solve the issue that malicious program modifies or intrudes files of operating system.

The invention discloses a perfumed mosquito repellent composition, characterized in that the composition is prepared by the following ingredients, based on percent by weight, of: 0.1-1% of wild lemonleaf oil, 0.1-2% of eucalyptus oil, 0.5-3% of tea tree oil, 1-10% of eucalyptus citriodora leaf oil, 0-0.5% of clove oil, 0-0.2% of linaloe wood oil, 0-0.5% of dementholised peppermint oil and the balance as diluent of alkane C14. The mosquito repellent composition makes full use of three mosquito repellent essential oils including eucalyptus oil, tea tree oil and eucalyptus citriodora leaf oil, which all have no pesticide ingredients contained, but are excellent in repelling mosquito, bugs and ants, thus achieving ideal mosquito repellent effect and acceptance for human body and generating noside effect to human body, besides, the cost of the composition is low.

The invention discloses a method of intelligently switching hard decoding to soft decoding to play a video in a mobile terminal. The method comprises the steps of demultiplexing an initial audio and video format to obtain a target audio and video; capturing video description information and video stream data of the target audio and video; filtering proper profile and level attributes according tovideo stream information, and performing soft decoding on improper profile and level attributes by using FFmpeg; searching a proper hard decoder name according to the video stream information, if proper hard decoder name is not found, performing soft decoding by using FFmpeg; creating a hard decoder according to hard decoding name, if creation fails, performing soft decoding by using FFmpeg; decoding audio data by using default FFmpeg; decoding the data stream data by using the hard decoder, and if decoding fails, performing soft decoding by using FFmpeg again; and rendering decoding data to play the target video, if play fails, performing soft decoding by using FFmpeg again. In the prior art, hard decoding cannot be used preferentially to support multiple multimedia video formats and multiple stream media protocols in Android. The method solves the above problem, lowers CPU use ratio in play and slows down power consumption by CPU in play.

The invention relates to an unstructured data default probability prediction method based on deep learning. The method comprises the steps as follows: unstructured data, including text data and time series data, of credit subjects are integrated and cleaned; the unstructured data are converted into a data format recognizable by a deep learning model; data features are extracted as sample data on the basis of a deep learning model frame; as for the extracted sample data, a credit risk model is constructed by use of a complex machine learning classification algorithm-integrated tree model, and default probability prediction is output. According to the method, the unstructured data such as text and time sequence data are mined, potential risk behavior modes of the credit subjects are caught on the basis of deep learning and a big data technology, high dimensional data credit risk modeling is performed accordingly, automatic, comprehensive and procedural quantitative credit risk analysis for the credit subjects is realized, the finance risk control capacity is improved, and the credit risk is reduced.

This application provides a chat data input method and device and a communication terminal. The method comprises the steps of obtaining a selected image to be identified; receiving a selection control instruction on the image to be identified and determining an identification block in the image to be identified; identifying information contents of the identification block and accessing the identified information contents to a chat scene. The chat data input method and device and the communication terminal are utilized to help a user identify rare-used words, quickly acquire character information in the image and the like, the user is assisted in inputting in a multidirectional mode, and the user's experience is improved.

The invention discloses an RFID multi-antenna reader-writer which comprises a central controller module, a radio frequency read-write module, an antenna control module or an antenna array control module, a display module and a communication interface module. The RFID multi-antenna reader-writer can be used for solving the problem that the single antennae can only be used in the existing reader writer and cannot be separated because of being bounded by the reader writer, is wide in working temperature range, strong in anti-interference capability and rapid in data transmission speed and can reliably operate in a complex condition.