384results about How to "Good practicality" patented technology

The invention discloses a knowledge map representation learning method which combines an entity and a relationship description. Text description information of the entity and the relationship is takeninto consideration, two information sources of structured information and the text description information of a triple are well integrated, based on combined extracts of an end-to-end model of neuralnetworks conducted on the entity and the relationship, a balance factor is set to balance the structured information and the text description information, and different score functions are defined according to different prediction objects; a loss function is used for correlating an entity vector and a relationship vector, the loss function is optimized, and when an optimization goal is reached, the vectors of each entity and relationship in the knowledge map and the text description information can be learned. The method solves the sparsity and imbalance of entity and relationship in a knowledge base, accurately and effectively represents the interconnection between the entity and relationship, applies the interconnection to the large-scale knowledge map, and has good practicality.

The invention provides an evaluation method and device of multi-satellite earth observation task planning algorithms. The method includes the steps that testing data is read; different to-be-evaluated planning algorithms are called to perform task planning on the testing data, and a planning result is acquired; the planning result is subjected to statistics and analyzed, evaluation index values in the planning result are calculated; the evaluation index values are weighed, and comprehensive evaluation values are obtained; the comprehensive evaluation values are compared, and an evaluation result is output; in this way, representative planning algorithms in a current multi-satellite observation task are analyzed, evaluated and compared in a visual mode, characteristics of the various algorithms are acquired, a basis is provided for a user to select the algorithms or for a researcher to improve the algorithms, and the evaluation method and device have good practical significance in satellite task planning.

The invention discloses an emergency brake intelligent control method based on the Internet of Vehicles. The method comprises the steps that a vehicle acquires CAN bus information and sends an emergency brake message outwards when emergency brake occurs; another vehicle receives the emergency brake message, then judges the relevancy of traveling directions of the two vehicles and the front-back position relation between the two vehicles, and calculates the actual distance dis between the two vehicles and collision reaction distance RD if the two vehicles are related and the vehicle is located behind the vehicle sending the emergency message; if RD<dis<100 m, the another vehicle gives out a voice alarm to remind the driver to slow down; if dis<RD, the another vehicle is automatically controlled to brake and slow down to a safe speed. According to the method, efficient and reliable safety warning is guaranteed, energy consumption of vehicular units is reduced at low communication cost and computation overheads, and a simple and efficient emergency brake intelligent control method is provided for an auxiliary traveling safety mechanism of the Internet of Vehicles.

The invention provides a security vulnerability detection method and apparatus based on an industrial control system. The method comprises the following steps: performing ping scanning on industrial control devices within a set address range to obtain an IP address list of online industrial control devices; sending information request data packets to the corresponding online industrial control devices according to the IP address list; determining the device information of the online industrial control devices according to the response information of the online industrial control devices and apreset device information base, wherein the device information comprises multiple of a system manufacturer identifier, product series and model numbers, a firmware version, a device address and a device name; and searching for the vulnerability information of the online industrial control devices from a preset vulnerability information base. By adoption of the security vulnerability detection method and apparatus provided by the invention, the industrial control devices can be comprehensively and effectively detected in an active scanning manner, the practicability is relatively good, and thevulnerability information of different types of devices are searched, so that the safety and stability of the industrial control devices are improved.

Embodiments of the invention disclose an information recommendation method and apparatus. The method comprises the steps of obtaining historical behavior data of a user; according to the historical behavior data, determining topic information related to the historical behavior data; and according to the topic information, recommending social information used for being input in a social information input interface. By utilizing the method and the apparatus, the information recommendation does not depend on information input manually in real time by the user, and the recommended social information is not limited to terms and can contain contents with more information, so that the practicality is relatively high for the user.

The invention discloses a pedestrian detection method based on multi-feature fusion. The method includes the following steps that noise suppression is conducted on an obtained depth image; area-of-interest detection is achieved through a depth threshold; on the basis of obtaining the HOG-LBP union features, target detection is achieved through a classifier. According to the pedestrian detection method based on multi-feature fusion, the fused features of the HOG and the LBP are classified through a support vector machine. The method has higher pedestrian representation capacity, and the pedestrian detection accuracy is obvious improved under a complex background.

The invention discloses a cloth cutting device. The cloth cutting device comprises an uncoiling positioning rotary shaft, a supporting platform, a gantry, a cutter and a driving mechanism, wherein the driving mechanism comprises a screw rod, a moving rack, a motor, a cylinder, an assembly rack, a cutter rest and a driving mechanism; the cutter is arranged on the cutter rest; cloth pressing bars are arranged on two sides of the cutter rest on the assembly rack; the cloth pressing bars are arranged along the width direction of a cloth; the length of the cloth pressing bars is not smaller than the width of the cloth; the cloth pressing bars are movably arranged on the assembly rack through a plurality of elastic connection components; each elastic connection component comprises a connection rod and a spiral spring; the lower end of each connection rod is fixedly connected with the corresponding cloth pressing bar through welding; the upper end of each connection rod penetrates through a vertical through hole in the moving rack and then is fixedly connected with a baffle block; the outer diameter of each baffle block is larger than the hole diameter of each vertical through hole, so that each connection rod is limited in the corresponding vertical through hole to move vertically; and the upper and lower ends of each spiral spring are separately resisted against the assembly rack and the corresponding cloth pressing bar. By adopting the cloth cutting device, the cloth can be cut high efficiently; and the cloth cutting device has very good practicability.

The invention belongs to the field of a genetic engineering, and relates to a loop-mediated isothermal amplification (LAMP) primer composition for detecting phytophthora rot and an application thereof. The primer composition comprises a forward inner primer FIP showed in SEQ ID NO.1, a backward inner primer BIP showed in SEQ ID NO.2, a forward outer primer F3 showed in SEQ ID NO.3, a backward outer primer B3 showed in SEQ ID NO.4, and a reverse annular primer LB showed in SEQ ID NO.5. The LAMP primer composition can be applied to detection or identification of phytophthora rot. The LAMP primer composition has the advantages of good sensibility for specificity, rapid amplification, high efficiency and simple identification in the application of detecting phytophthora rot.

The invention aims to provide a method for nitriding an austenitic stainless steel material, which comprises a pretreatment process before nitriding the austenitic stainless steel material and a nitriding process. The pretreatment process before nitriding the austenitic stainless steel material is to clean a test piece with gasoline and anneal the test piece at a temperature of 810 DEG C for 2 hours. The nitriding process comprises the following steps: cleaning the test piece again with the gasoline or acetone, or blowing sands on the test piece with low wind pressure fine sands; then evenly mixing ammonia chloride and quartz sands in proportion, putting the mixture at the bottom of a nitriding box, adding the ammonia chloride into the nitriding box, putting the test piece on a material tray in the nitriding box, sealing the nitriding box, passing ammonia gas into the nitriding box, and pushing the nitriding box into a furnace when the ammonia decomposition rate is zero; and when the furnace temperature is between 595 and 605 DEG C, keeping the temperature for 10 to 20 hours, then raising the furnace temperature to between 620 and 645 DEG C or between 620 and 655 DEG C, continuously keeping the temperature for 10 to 20 hours, taking the nitriding box out from the furnace after finishing keeping the temperature, cooling the nitriding box in the air to a temperature less than orequal to 100 DEG C, detaching the nitriding box and then ending the nitriding process.

The invention discloses a somatic embryo rapid propagation and seedling growing method for camellia chekiangoleosa. The method comprises the steps of 1, pretreatment of explants; 2, sterilization of camellia chekiangoleosa fruits and establishment of a sterile system; 3, inoculation and induction of calluses; 4, induction of somatic embryos; 5, induction of secondary embryos; 6, differentiation of the secondary embryos into strong seedlings. According to the somatic embryo rapid propagation and seedling growing method for camellia chekiangoleosa, N6+NAA 1.0 mg / L+6-BA 1.0 mg / L+2,4-D 1.0 mg / L is used as a medium for inducing the embryonic calluses; after inoculation, cotyledon pieces on the medium begin to expand after about 7 d of culture, and a large quantity of faint yellow and dense embryonic calluses with smooth and lustrous surfaces begin to appear around the cotyledon pieces after about 15 d; after the embryonic calluses are transferred to a somatic embryo induction medium, the somatic embryos begin to appear after about 20 d; through proliferation and differentiation culture of the secondary embryos, sprouts and roots appear through differentiation after about 15 d, and finally the strong seedlings are formed. An efficient camellia chekiangoleosa somatic embryogenesis system is established through the method, and a large quantity of seedlings is provided for camellia chekiangoleosa.

The invention relates to a steering column regulating mechanism which comprises a supporting mechanism which is connected with a steering column, can be used for supporting the steering column to rotate relative to a vehicle body and is connected with the vehicle body. The regulating mechanism also comprises a power device and a mounting box, wherein the power device is used for driving the steering column to rotate; the mounting box is connected with the vehicle body and used for supporting the power device; and the power device comprises a motor, a worm rod in transmission connection with the motor, a worm wheel engaged with the worm rod, a gear coaxially connected with the worm wheel and a rack which is engaged with the gear and fixedly connected with the steering column. Compared with the traditional steering column regulating mechanism, the steering column is set to be a structure capable of rotating relative to the vehicle body; when a steering wheel is needed to give the position to a driver or is adjusted to a proper position, the power device operates the steering column to ensure that the steering column rotates for a certain angle to meet requirements. The invention has the characteristics of simple structure and good practicality.

The present invention relates to the technical field of control of fume exhaust parts in household kitchen, and especially relates to a range hood intelligent control system. The system includes a one-key type touch control device, a main control module, a rotating speed control module, a PWM control module and a time setting module. The main control module is in signal connection with the one-key type touch control device, and is used for receiving operation command from the one-key type touch control device; the main control module is in control connection with the rotating speed control module, the PWM control module and the time setting module; and the rotating speed control module and the PWM control module are respectively electrically connected to a DC motor and a lighting lamp. The one-key type touch control device is provided with a switch button, a time setting button, a illumination brightness touch button, a touch sliding control strip and a display screen. Compared with the prior art, the invention has the advantages of simple structure, convenient operation, various control functions and good appearance. The invention also provides a one-key type range hood with the intelligent control system.

The invention provides a control method for preventing misinformation of a Bluetooth losing preventer. The control method comprises the following steps: configuring at least two Bluetooth terminals capable of carrying out Bluetooth communication on an intelligent terminal to a monitored object; mapping the intelligent terminal to the at least two Bluetooth terminals corresponding to the monitored object into virtual equipment; acquiring a Bluetooth signals of all the Bluetooth terminals corresponding to the monitored object by the intelligent terminal, and obtaining a signal intensity value of the virtual equipment after comprehensive processing is carried out, wherein the signal intensity value of the virtual equipment is used for representing a distance between the monitored object and the intelligent terminal; when the intelligent terminal is disconnected from all the Bluetooth terminals corresponding to the monitored object or the signal intensity value of the virtual equipment is lower than a set intensity threshold value, judging that the monitored object is lost by the intelligent terminal, and sounding an alarm. According to the control method, the problem of misinformation of the Bluetooth losing preventer is solved.

The invention belongs to the technical field of planning design and management of transportation terminals, and provides a brand new method for enterprise handling traffic system layout and traffic organization management of a container terminal. Efficiency of handling traffic system layout and traffic organization of the whole container terminal is improved. According to the technical scheme, a microscopic simulation method of handling traffic system layout and traffic organization of the container terminal comprises the steps of building a microscopic simulation frame of handling traffic system layout and traffic organization of the container terminal; selecting a cell; running a cellular automaton, wherein initialization of the cell is carried out, and operation of the cellular automaton is carried out. When the operation of the cellular automaton is carried out, a front container yard module rule, a collected truck queue module rule, update of an apron road and a collected truck queue module rule are adopted. The microscopic simulation method of handling traffic system layout and traffic organization of the container terminal is mainly applied to planning design of the transportation terminals.

The invention provides a high-frequency airborne FM continuous wave SAR motion compensation and imaging processing method, which compensates for intra-pulse range migration, RVP and a slope item of FM continuous waves through improving the traditional range-Doppler imaging algorithm, further integrates the imaging algorithm with FM continuous wave SAR motion compensation, and implements an FM continuous wave SAR imaging method based on a UAV platform. The high-frequency airborne FM continuous wave SAR motion compensation and imaging processing method combines the actual aerial carrier flight condition, brings forward the motion compensation method suitable in a FM continuous wave mode, combines the motion compensation method with the improved imaging algorithm, and realizes FMCW SAR high resolution imaging in the case of aerial carrier motion error.

The invention relates to an antitheft tracing method for ensuring computer security based on Internet. The prior art has excess hardware device investment or complex installation, worse practicability and single technology, and only one-sidedly solves single problem. The method judges whether the computer is illegally used by an alarm module; when the computer is connected to the internet, an order receiving module remotely copies and physically deletes the important documents of customers according an order; a tracing module communicates trace data such as IP address when the computer is connected to the internet, and the like, with a trace server and transfers the trace data to the trace server according to the order; and an IP address database locates the position of the lost computer. The invention has antitheft function and does good prepare for tracing and copying documents, even if the computer is lost, the position of the computer still can be traced and the computer can be found. Compared with the traditional antitheft art, the invention has a series of extremely prominent advantages such as wider application field, better practicability and no any hardware device, etc.

The invention discloses a pressureless sintering method for synthesizing high-purity Ti3SiC2 powder, comprising the following steps of: (1) adding element powders of Ti, Si, C and Al into a container, adding alcohol and heating and stirring the solution for more than 1h at a controlled temperature of 70 DEG C until the alcohol is totally evaporated so that residual powder is obtained, wherein the molar ratio of Ti, Si, C and Al is 3:1:2:0.1; (2) transferring the residual powder to a tubular furnace, sintering the residual powder at 1420 DEG C for 2 to 2.5h in an atmosphere of argon, and cooling the obtained product naturally so that Ti3SiC2 powder is obtained. Element substances of Ti, Si, C and Al are used as raw materials in the invention, and a synthesis of high-purity (96.7 %) Ti3SiC2 powder is achieved by means of optimized mixing and by using a pressureless sintering method at 1420 DEG C under the protection of argon. The method of the invention provides a good practicability, good economic prospects and good social benefits.

The invention relates to a cultural relic cleaning device and method. A gas tank and an air source are connected with the gas inlet end of a gas-liquid mixing pump in a parallel mode through a gas inlet pipeline and an air branch respectively, and a gas control valve and an air valve are arranged on the gas inlet pipeline and the air branch respectively. A cleaning liquid pool and a tap water source are connected with the liquid inlet end of the gas-liquid mixing pump in a parallel mode through a water inlet pipeline and a tap water inlet pipe respectively, and a water control valve and a tap water valve are arranged on the water inlet pipeline and the tap water inlet pipe respectively. The outlet of the gas-liquid mixing pump is connected with the inlet end of a mixing tank through a gas-liquid mixing fluid water inlet pipe, the outlet end of the mixing tank is connected with a water tank aeration head and / or a handheld aeration spray nozzle through a gas-liquid mixing fluid water outlet pipe, and the water tank aeration head is placed in a cleaning water tank. The cultural relic cleaning device and method avoid the damage to brittle cultural relics, enable the cultural relics to be kept in an oxygen-deficient environment all the time in the cleaning process, are high in efficiency, protect the environment, save water, reduce the cleaning cost, and are particularly suitable for cleaning the cultural relics made of brittle materials.

The invention discloses a refrigerator, which comprises a box, rib bars and a glass shelf assembly, wherein a compartment is arranged in the box; the rib bars are respectively arranged on the left side wall and the right side wall of the compartment and extend along the forward and backward direction; the rear ends of the rib bars are separated from the rear side wall of the compartment; a first positioning structure is arranged on each rib bar; the glass shelf assembly is horizontally supported on the rib bars; a second positioning structure and a third structure are arranged on the glass shelf assembly; the second positioning structure is matched with the rear ends of the rib bars for blocking so as to limit the forward and upward movement of the glass shelf assembly relative to the rib bars; and the third positioning structure is matched with the first positioning structure so as to limit the forward and backward movement of the glass shelf assembly relative to the rib bars. According to the refrigerator, the freedom of motion of the glass shelf assembly can be well limited, the glass shelf assembly can be prevented from moving upwards and downwards as well as leftwards and rightwards, and the practicability is good.

The invention discloses a system capable of monitoring and protecting a power supply. The system is used on the power supply and comprises a detection module, a temperature sampling chip module, a signal integration control module and a control terminal module, wherein the detection module is coupled with the signal integration control module and the power supply, the temperature sampling chip module is coupled with the signal integration control module, the signal integration control module is coupled with the detection module, the temperature sampling chip module, the control terminal module and the power supply, and the control terminal module is coupled with the signal integration control module. The system solves the problem of accurate overvoltage, undervoltage, overcurrent and over-temperature protection of a power supply system and intelligent monitoring of the power supply system.

The invention discloses a lubricating agent, a friction pair and a method for controlling a friction coefficient between the friction pair. In the method for controlling the friction coefficient between the friction pair, the friction pair comprises a first friction piece and a second friction piece. The method comprises the following steps of: applying the lubricating agent between the first friction piece and the second friction piece; applying a potential to the first friction piece through the lubricating agent; and controlling the friction coefficient between the first friction piece and the second friction piece by controlling the potential, wherein the lubricating agent comprises propylene carbonate and an additive; and the additive is selected from at least one of a cationic surfactant, an anion surfactant and a zwitter-ion surfactant. The method is easy, convenient and practicable, and has a large applicable load speed range; and according to the method, the friction coefficient between the friction pair can be controlled effectively, and electrochemical corrosion of the friction pieces of the friction pair can be delayed effectively, even avoided.

The invention relates to a method for manufacturing autoclaved sand-lime bricks manufactured by using building waste materials and crystal glass solid waste. The manufacturing method comprises the following steps: (1) enabling the building waste materials and fine sandstone to pass through a jaw crusher and a grinder, and screening a mixture by using a drum screen so as to obtain a building waste material and fine sandstone mixed waste materials; (2) blending the crystal solid waste with lime or carbide slag waste materials and the ground building waste material and fine sandstone mixed waste materials, synthesizing, quantitatively conveying to a double-horizontal mixer, adding water, carrying out forced stirring, feeding into a slaking silo, carrying out slaking reaction, and discharging out of the slaking silo; (3) sequentially passing through a vertical type forced grinder and a running wheel machine, feeding into a distribution bin of a forced pressing machine, distributing the materials to a mold, carrying out compression molding, and demolding to a working surface so as to obtain the mold bricks; and (4) sending the mold bricks to an autoclave, feeding air, heating, keeping constant temperature for several hours, discharging air and taking the bricks out of the autoclave, and maintaining the finished products for 6-10 days for use. The method has the characteristics of waste material utilization, energy conservation, soil conservation, environmental protection and sustainable development.

The invention discloses a mixing method, device, and equipment and a storage medium. The mixing method comprises the following steps that: audio stream data of at least two paths of sound channels arereceived; types of audio stream data of all sound channels are detected by using a pre-trained vocal detection model to identify vocal channel audio stream data and noise channel audio stream data; mixing is carried out on the vocal channel audio stream data to generate vocal mixing data; mixing is carried out on the noise channel audio stream data to generate noise mixing data; and then mixing is carried out on the vocal mixing data and the noise mixing data to generate result mixing data. According to the embodiment of the invention, the vocal channel audio stream data and noise channel audio stream data are distinguished by using the pre-trained vocal detection model, mixing is carried out on the two kinds of data, and then the mixing results are superpose to generate the result mixingdata, so that the amplitude of the vocal audio stream data in the result mixing data is highlighted and thus the vocal sound after mixing becomes clear. Therefore, the practicability and the user experience are improved.

The invention discloses a polyester film for an electronic tag and a preparation method thereof. The preparation raw materials of the polyester film for the electronic tag comprises the following components in percentage by weight: 0.1-35.6 percent of functional chip A, 0.1-42.2 percent of functional chip B, 20-68 percent of recycled particle of waste polyester material, 40-90 percent of common polyester chip, 1-12 percent of polyester chip containing IPA (isopropyl alcohol), and 5-92 percent of silicon chip, wherein the mass percentage content of shell micro powder in the functional chip A is 0.1-13.5 percent; the mass percentage content of nano-montmorillonite in the functional chip B is 0.5-32.6 percent; the mass percentage content of the IPA in the polyester chip containing the IPA is0.2-7.8 percent; and the mass percentage content of silicon oxide in the silicon chip is 200-18900PPM (parts per million). Compared with the polyester film for the electronic tag in the prior art, the polyester film for the electronic tag disclosed by the invention has the outstanding advantages that: the polyester film for the electronic tag has longitudinal thermal shrinkage being within 0-1 percent at the high temperature of 180 DEG C, dielectric constant being within 1-3 under a test condition of 1 GHz, and dielectric loss tangent value being 0.2 percent to 0.8 percent; meets the use requirement of the electronic tag; has good practical applicability; and can make better economic benefits and social benefits.

The invention discloses a Montelukast tablet composition. The composition comprises Montelukast, porous filling agent, disintegrating agent, lubricant, opadry film coating premixing agent and purified water; and the stability of the Montelukast can be remarkably improved. The invention further discloses a preparation method for the Montelukast tablet composition; the powder is adopted to directly compress tablets, so that the operation is convenient, the influence to the product quality from the drying process and the hot and humid condition is avoided, the content of related substances is low, and the stability is remarkably improved.

The invention discloses a mobile monitoring system, comprising a camera array, a mobile positioner and a monitoring terminal, wherein the camera array consists of a plurality of camera modules distributed in a monitored area, each camera module is internally provided with a camera, a control signal receiving device, a camera data transmission port and a camera processor, the mobile positioner is internally provided with a positioning module, a positioner data transmission port and a positioner processor, and the monitoring terminal is internally provided with a data port. The mobile monitoring system is novel in thought and good in practicability, the camera array is arranged in an area needing to be monitored in advance, the mobile positioner is fixedly arranged on a monitored object, when the monitored object moves in the monitored area, the mobile positioner reports the current position of the monitored object, nearby one or more cameras are used for shooting, and a real-time image or video of the monitored object is captured and uploaded to the monitoring terminal, so that the goal of complete real-time monitoring for the behaviors and actions of the moving monitored object is achieved.

The invention relates to a multifunctional test system for a performance test of an electronic throttle valve. The system comprises a switch matrix unit connected with a to-be-tested electronic throttle valve via a matched connector, an output unit for outputting a test result, and a main control unit provided with a data acquisition part and connected with the switch matrix unit and the output unit; the switch matrix unit is connected with a test device for performing at least one performance test project of the electronic throttle valve; the performance test project comprises an angle sensor signal test, a linearity test, and a synchronization test of the electronic throttle valve, a resistance change test of a non-chip C-type electronic throttle valve, a programming function and chip test of an NC type electronic throttle valve with a chip, and a clamping and stagnation test and a response time test of the electronic throttle valve; and the main control unit controls a driving motor in the electronic throttle valve to drive a throttle valve body, processes acquired tested signals of the electronic throttle valve, and sends the test result to the output unit. The system is advantaged by high universality, good expandability, high practicality, and easy operation.

A flow control valve for cylinders of liquefied gases having a gauge for indicating the status of the fluid, comprises a body in which there is a region provided with a shank that is adapted to be connected to a cylinder, a region for connection to user devices, a safety valve, and a movable actuation member, the actuation of which blocks the passage for the fluid from the cylinder toward the user device or clears the passage, a pressure gauge being accommodated inside the actuation member.

The present application provides a risk detection method, which comprises the following steps: a server receives user behavior information sent by a client; the user behavior information is analyzed to determine whether the client is at risk. The risk detection method provided by the present application avoids the problem that the risk detection cannot be carried out due to the existing one-way acquisition mode, can automatically judge whether the current operation behavior of the user is at risk by analyzing the user behavior information, and has good intelligence, accuracy, and practicability.

The invention discloses a high-voltage circuit breaker fault diagnosis method based on adaptive grey correlation analysis, which comprises the following steps: step A, acquiring multiple groups of fault current signals of switching-on and switching-off coils of high-voltage circuit breakers of various fault types, and respectively performing Hilbert-Huang transform, extracting current and time characteristic values to form a fault characteristic sequence, and performing FCM clustering on all fault characteristic sequences to obtain a typical fault characteristic sequence of each fault type; B,acquiring an operation current signal of a closing and opening coil when the high-voltage circuit breaker operates, performing Hilbert-Huang transform on the operation current signal, and extractingcurrent and time characteristic values to form a to-be-diagnosed characteristic sequence; and C, performing gray correlation analysis on the to-be-diagnosed feature sequence and the typical fault feature sequence of each fault type so that the gray correlation degree of the to-be-diagnosed feature sequence and the typical fault feature sequence of each fault type is obtained, and thus the fault type of the to-be-diagnosed feature sequence is obtained.