34results about How to "Catch in time" patented technology

The invention discloses a continuous casting tundish for improving cleanliness of molten steel and belongs to the field of ferrous metallurgy technology. The continuous casting tundish comprises a tundish, porous bricks, an overflow groove, a slag blocking wall and a dam. The continuous casting tundish for improving cleanliness of molten steel provided by the invention makes full use of the double effects of argon foam stirring and cleaning, is safe, practical, simple and convenient, can obviously improve the separation effect of impurities and gases in the molten steel and improve the cleanliness of the molten steel and the quality of billet steel and the like.

The invention discloses a method and device for detecting webpage tampering. The method comprises the steps of detecting the tampering content in a webpage according to a tampering feature library, and extracting a black word-black chain pair in the tapering content, wherein the black word-black chain pair is composed of a black word and a black chain corresponding to the black word; if the occurrence frequency of the black word-black chain pair is higher than the preset threshold value, storing the black word-black chain pair into a black word-black chain library; if the tampering content in the webpage is not detected according to the tampering feature library, detecting the tampering content in the webpage according to the black word-black chain library. According to the method and device for detecting webpage tampering, black word-black chain feature data are continuously updated in an independent-studying mode, varied black word-black chain features can be timely captured, and the detection accuracy rate is improved.

The invention arranges a chimney-shaped vertical round pipe on the ground surface; the lower end of the vertical round pipe is provided with an outer hat brim-shaped edge; the vertical round pipe leaves the ground surface by a distance; the upper end of the vertical round pipe is provided with a trough-shaped permanent magnetic ring with a V-shaped ring; a round pipe is prepared; wherein the upper end and the lower end of the round pipe are fixedly connected with a conical magnetic ring respectively, and the side part of the round pipe is provided with an air inlet hole which is inclined upwards from exterior to interior; the other side of the round pipe right facing to the inclined hole is provided with a wind direction rudder; subsequently, the round pipe is vertically arranged in the trough-shaped permanent magnetic ring with the V-shaped ring at the upper end of the vertical round pipe, with a gap and the same polarity face to each other; subsequently, a vertical round pipe with a inverted V-ring trough-shaped permanent magnetic ring is prepared and arranged above the round pipe with the inclined hole; furthermore, the inverted V-ring trough-shaped permanent magnetic ring and the conical magnetic ring at the upper end of the round pipe face to each other with a gap and the same polarity; the vertical round pipes at the upper side and the lower side of the round pipe with the inclined hole are connected with each other by a plurality of spaced connecting rollers; an impeller and a power generator are respectively arranged at the inlet of the vertical round pipe with the edge and the outlet of the upper-most vertical round pipe; and the wind power generation chimney generates the power by the horizontal wind and updraft simultaneously, has high efficiency and is practical.

The invention discloses a damping rubber material. Raw materials of the damping rubber material comprise, by weight, 50-70 parts of butyl rubber, 30-50 parts of butadiene-acrylonitrile rubber, 50-70 parts of a composite filler, 15-25 parts of micro-encapsulation red phosphorus, 10-15 parts of melamine phosphate, 5-8 parts of tributyl phosphate, 10-15 parts of epoxidized soybean oil, 15-25 parts of tributyl citrate, 0.5-0.8 part of sulphur, 0.1-0.2 part of stearic acid, 0.1-0.15 part of zinc oxide, 0.2-0.4 part of a promoter DM, 2-4 parts of a Ca / Zn compound stabilizer, 2-4 parts of dibutyltin dilaurate, 0.1-0.3 part of an anti-aging agent RD, 0.1-0.2 part of an anti-aging agent 445, 0.2-0.4 part of an anti-fatigue agent PL and 3-5 parts of paraffin. Raw materials of the composite filler contain modified nano-white carbon black and beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic octadecanol. The damping rubber material of the invention has good damping performance.

The invention relates to an electric vehicle making use of solar and wind energy. The electric vehicle is provided with a solar photocell, adjustable wind tunnel generators, storage cells, a driving motor, a controller, a voltage regulator, switches and a charging socket, wherein the solar photocell is arranged on the surface of a vehicle body, the adjustable wind tunnel generators are arranged in a forward engine room and the vehicle body, and the two adjustable wind tunnel generator are both connected with the voltage regulator; one storage cell is connected with the controller through the switch, the other storage cell is connected with the voltage regulator through the switch, and the two storage cells are respectively connected with the charging socket; and the controller is connected with the driving motor.

The invention belongs to the technical field of computers, and particularly relates to a topic detection method and device for case-related public opinions. The topic detection method for the case-related public opinions comprises the steps of obtaining public opinion text data containing case public opinion texts; based on predetermined case element information and the position of the keyword inthe case public opinion text, determining an additional weight of the keyword; obtaining text vector representation of the public opinion text data according to the additional weight and a basic weight determined based on a TFIDF algorithm; conducting dimensionality reduction on the text vector representation through an auto-encoder, and obtaining low-dimensional text vector representation; and based on the low-dimensional text vector representation, clustering by adopting a spectral clustering algorithm to determine topics of the case public opinion text. When topic detection is carried out through the method, the detection efficiency and the detection accuracy are high, and the public opinions involved in the case can be captured in time.

The invention relates to a system for Japanese pronunciation correction. The system comprises a voice collection module used to collect a user's Japanese pronunciation, an RAM storage device and an MRAM storage device which are connected to a single chip microcomputer in a wired manner and store standard Japanese pronunciation, an analysis module which is in wired connection with the single chip microcomputer and analyzes and compares the user's Japanese pronunciation and the standard Japanese pronunciation, a processing module which is in wired connection with the single chip microcomputer and marks and processes characters of the user's nonstandard pronunciation, a network connecting module which is in wired connection with the single chip microcomputer and conducts wireless network connection, as well as a cloud server which is in wireless connection with the network connecting module via a GPRS wireless network and stores the user's wrong Japanese pronunciation. According to the invention, each Japanese character pronunciation spoken by the user can be analyzed and processed; in combination with the existing standard pronunciation; the user's pronunciation can be corrected, so a Japanese pronunciation study level of the user can be increased; and a pronunciation error database of the user can be established by the cloud server.

The invention relates to a vehicle caller ID informing device for a mobile phone, and is formed by mutually connecting a mobile phone caller ID indicator, a photoelectric coupler, a voice record-play module, a three-terminal voltage regulator, a third capacitor C3, a switch K, speakers and a power supply. Therefore, the vehicle can capture phone caller ID signals in time in a noisy environment and inform mobile phone users in time, so as to prevent the omission of phone-answering.

The invention discloses a snakehead aquaculture method which comprises the followings steps that an anti-bacterial liquid is prepared: Chinese herbal medicines radix zanthoxyli, honeysuckle, dandelion, rheum officinale, pseudo ginseng, ginseng and lithospermum erythrorhizon are taken and added to water for boiling, then the Chinese herbal medicines are taken out, smashed and boiled continuously, and the anti-bacterial liquid is obtained; the water is boiled and cooled to the temperature of 30-40 DEG C; snakehead fry is put into water containing the anti-bacterial liquid for pre-aquaculture; aquaculture water is fed into a culture pond, and ultraviolet lamp irradiation sterilization is performed; the snakehead fry is put into the culture pond, and the anti-bacterial liquid is added to the culture pond every 30-40 days; aquaculture bait is put into the culture pond, the snakehead fry is bred into adult fish, and the aquaculture bait is put for three times everyday. According to the snakehead aquaculture method, the survival rate of the snakehead fry can be effectively improved, and the snakehead yield is improved.

The invention discloses a sign language recognition and translation system based on a single chip microcomputer. The sign language recognition and translation system comprises a glove (1), and is characterized by further comprising a main control module (2) arranged in the glove (1), an angle sensor (3), a bending degree sensor (4), a blood oxygen sensor (5), a display module (6) and a wireless communication module (7) which are connected with the main control module (2), a data processing module (8) connected with the wireless communication module (7), and a WiFi module (9), a cloud server (10), a voice module (11), and a power supply module (12) which are connected with the data processing module (8). The sign language recognition and translation system mainly realizes barrier-free communication between deaf-mutes and ordinary people, translates sign language by means of the sensors, displays a translation result on a display screen carried in the system, and broadcasts the translation result by using mandarin; in addition, the sign language recognition and translation system can transmit physical condition information (heart rate, pulse, body temperature and the like) of a patient to a mobile phone or computer and the like of a doctor in real time by means of the cloud server, so that the doctor can monitor the physical conditions of the patient in real time.

The invention discloses a marine container loss monitoring device and an anti-loss pre-alarm system, and relates to the field of marine container monitoring. The marine container loss monitoring device comprises a monitoring system host and a monitoring slave device which are respectively provided with a core processor, a main / standby power switching unit, an LORA wireless communication device and a BD / GPS receiver unit; the monitoring system host comprises a posture monitoring unit, an angle sensor, a data storage unit, a sound-light alarm unit and a touch display screen, and the posture monitoring unit, the angle sensor, the data storage unit, the sound-light alarm unit and the touch display screen are all connected with the core processor; the monitoring slave device further comprises an acceleration sensor, an angle sensor, a data storage unit, a main and standby power switching management unit and a solar charging unit. The acceleration sensor, the angle sensor and the data storage unit are all connected with the core processor. According to the invention, the problems of timely detection and alarm of the loss of the marine container can be effectively solved.

The invention discloses a method for filtering a DHCP data package of a local area network. According to the method, a middle layer between a network card drive and a protocol drive filters network data packages, sent to a DHCP client, in the local area network, and filtering comprises the four steps of network data package collecting, network data package screening, DHCP data package analyzing and network data package processing. The DHCP data package is gradually separated from the network data packages sent to the DHCP client, and is analyzed, a legal data package sent by a designated DHCP server is received, a data package sent by an illegal DHCP server is discarded, and therefore the aim that the DHCP client obtains the IP address from the designated DHCP server is achieved, the illegal DHCP server is prevented from distributing the IP address to the DHCP client, and meanwhile, the invention further discloses a system for filtering the DHCP data package of the local area network.

The invention relates to a device for preventing a hydraulic pressure lithotripter piston from being scored, i.e., preventing friction between a hydraulic pressure piston and a protection ring by integrlly-forming a bush made of a non-iron metal material having a hardness lower than that of the hydraulic pressure piston on an inner side friction plane of the protection ring which moves up and down in the hydraulic pressure piston; reducing a clearance between the hydraulic pressure piston and the bush to a minimum thereby reducing oil leakage; preventing the hydraulic pressure piston from being scored by forming a labyrinth type recess in an inner face of the bush on inner side friction plane of the protection ring and capturing impurities between the bush and the hydraulic pressure piston, and prolonging a life time of the hydraulic pressure piston; arranging a sealing member behind a low-pressure pipeline to prevent damages of the sealing member.

The invention discloses a rice field ditch integrated ecological high-value rice and soft-shelled turtle planting and breeding method which comprises the following steps: 1, ruralizing a rice field and installing fences; 2, plowing the rice field; 3, transplanting rice; 4, putting soft-shelled turtles in the rice field and raising the soft-shelled turtles; 5, conducting field management; and 6, harvesting the rice and the soft-shelled turtles in good time. The method has the advantages that: 1, the foundation works of the rice field is optimized without reducing the area of the rice; 2, the foundation works of a rice ditch is optimized without destroying the structure of the rice field; 3, the landscape of the rice field is optimized to provide a good growth environment for the soft-shelled turtles; 4, a ladder type culture method is adopted to increase the planting and breeding density; and 5, the economic benefit of the rice field in a unit area is greatly increased.

The invention relates to an insect inducing belt which is made of a colored degradable strip material. The insect inducing belt is characterized in that one surface of the colored degradable strip material is coated with an insect sticking glue layer, and 0.5-4cm non-glue areas are arranged on the upper edge and on the lower edge of the insect sticking glue layer. The insect inducing belt overcomes the defect that an insect sticking plate is not easy to degrade, achieves the purpose of trapping insects on the basis of color tendency characteristics of the insects and inducing performance of attractants, and can further improve the insect trapping effect when the insect inducing belt is suspended at ventilation openings of greenhouses or conservatories.

The invention discloses an electric energy meter battery undervoltage monitoring device and a monitoring method thereof. The device comprises a power supply, a comparator and a latch; the power supplyis respectively connected with the comparator and the latch; a first input end of the comparator is connected with a resistance voltage division circuit of an electric energy meter internal battery,and the output end of the comparator is connected with a first input end of the latch; and the output end of the latch is connected with the signal input end of a MCU of the electric energy meter. Compared with the prior art, the latch is used for continuously latching a battery undervoltage signal until the battery undervoltage signal is detected, so that a battery undervoltage event can be accurately monitored, especially in the instantaneous voltage drop condition, and a battery undervoltage instantaneous signal can be captured in time; the monitoring device provided by the invention is simple in structure and relatively low in cost, can be applied to an internal circuit of an existing electric energy meter, and does not need to change existing design.

The invention discloses an air fixed point sampler and a sampling method. The sampler comprises a test tube for storing a sample. The test tube is made of a plastic material. A plugging rod is formedat the lower end of the test tube in an injection molding manner. An inlet pipe that can be dismounted movably is arranged above the test tube; a rotating shaft is inserted into the axis of the upperend of the inlet pipe; and a bearing is assembled between the rotating shaft and the inlet pipe. An outer tube is arranged at the upper end of the rotating shaft; a plurality of support arms are formed at the outer wall of the outer tube in an injection molding manner; and a semi-spherical wind cup is formed at one end, away from the outer tube, of each support arm in an injection molding manner.An axial-flow type fan blade being made of an aluminum alloy material is assembled to one part, arranged in the inlet pipe, of the rotating shaft. Therefore, long-time sampling is carried out; and thereference significance of sampling is improved.

The invention provides a current output self-diagnosis circuit, relates to the technical field of the current output self-diagnosis circuit, and solves the technical problem of enhancement of output signal reliability. The circuit comprises a current output transmitting module. The power supply input end of the current output transmitting module is connected with an external power supply. The current output control end of the current output transmitting module is connected with an external control signal. The current output self-diagnosis circuit is characterized by further comprising a differential voltage-to-current module and an analog-to-digital conversion module. The external power supply is connected with the power supply input end of the current output transmitting module via a differential voltage sampling resistor. The two differential voltage input ends of the differential voltage-to-current module are respectively connected with the two ends of the differential voltage sampling resistor. The output end of the differential voltage-to-current module is connected with the analog signal input end of the analog-to-digital conversion module. The feedback voltage output end of the analog-to-digital conversion module is connected with the output end of the differential voltage-to-current module via a feedback sampling resistor. The circuit is high in output signal reliability.

The present application discloses an alarm method and device for a PIM platform; the above-mentioned alarm method includes: using a distributed timing task framework of Spring quartz to periodically collect data of a monitoring target, and process the collected data according to the first protocol format Assembling to obtain the first monitoring data; wherein, the first protocol format includes: status flags, performance indicators and performance data; when receiving the second monitoring data carrying the object identifier sent by the monitoring target, according to the second monitoring data, Determine whether to generate an alarm; if the second monitoring data is not received, determine whether to generate alarm information according to the first monitoring data. The application can effectively and timely capture the abnormality of the monitoring target, and improve the alarm accuracy of the PIM platform.

The invention discloses a cultivation method capable of improving the meat tenderness of snakehead. The method includes: taking radix zanthoxyli, honeysuckle, Taraxacum mongolicum, rhubarb, Panax notoginseng, ginseng and radix lithospermi to prepare antibacterial liquid; boiling water, cooling, and adding the antibacterial liquid; pre-cultivating snakehead fry in the mixture of water and the antibacterial liquid; performing first ultrasonic treatment on cultivation water, and placing the cultivation water into a cultivation pond; placing the snakehead fry into the cultivation pond, adding theantibacterial liquid once every other 30-40 days, and performing second ultrasonic treatment once every other 60-80 days; adding cultivation bait with the initial adding quantity being 5-6% of the total weight of the snakehead fry, and then adding the cultivation bait with the adding quantity being increased by 0.1-0.2% as compared with the adding quantity of the previous day each day, wherein thecultivation bait comprises rabbit manure, chicken bone powder, earthworm powder, tine peas, barley flour, radix isatidis powder, minced ginger and spinach. By the cultivation method, the survival rate of the snakehead fry can be increased effectively, the snakehead can be promoted to grow fast, and the meat tenderness of the snakehead can be increased.

The invention discloses a tank body high-temperature-resistant spongy ceramic filter which structurally comprises a material conveying port a central control tank and a top sealing cover, the upper surface of the conveying port is connected with the lower surface of the central control tank; liquid can be inputted into the inner sponge ceramic body through a connecting pipe; when liquid passes through the interior of the sponge ceramic body, impurities in the passing liquid can be adhered and retained by the surface of the sponge filter port. When high-temperature casting liquid is filtered and internal impurities are adhered to the interior of the spongy ceramic body, conveying distance can be extended in the continuous conveying process, smooth conveying is completed and subsequent treatment is performed later so that water mist is generated on the surface of the sponge ceramic body, the inclined vertex angle attached to the surface of the inner interlayer assists the outer layer inbeing attached to the appearance of the connected part, the ejector head can push the suction angle to be attached to the inner interlayer, and he water mist generated by the outer layer can be adsorbed in time and cannot slide down along with liquid to be mixed into a whole when the inner temperature and the outer temperature are different.

The invention relates to highly grafted active lignin as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving lignin in a sodium hydroxide / urea / water mixed solution at a certain temperature to obtain a lignin mixed solution; dilute hydrochloric acid is dropwise added into the lignin mixed solution, lignin particles are separated out, and the lignin particles are washed with water for multiple times; putting the washed and dehydrated lignin particles into a buffer solution, adding laccase, and stirring for a period of time at a certain temperature; and finally, washing the product with water for multiple times, and drying to obtain the high-grafting active lignin. The phenolic hydroxyl group content of the prepared high-grafting active lignin is increased by 30-60% compared with that before the reaction; and the DPPH free radical scavenging rate and the PTIO free radical scavenging rate of the highly grafted active lignin are respectively 70-95% and 50-80%. The treatment mode is low in cost, green and environment-friendly, the high yield is achieved, and the high-grafting-activity lignin can be applied to the fields of fruit and vegetable preservatives, anti-ultraviolet and anti-oxidation additives, food preservatives, antibacterial agents and the like.

The invention discloses a large-scale particle image velocimeter based on a near-infrared smart camera, which belongs to the technical field of non-contact open channel current surveying. The instrument consists of a processor module, an image sensor module, an optical system, a network communication module and a power module, wherein the processor module takes a 32-bit fixed point DSP (digital signal processor) chip as a core to replace a PC (personal computer) to finish image collection and processing as well as data transmission; the image sensor module adopts a monochrome CMOS (complementary metal oxide semiconductor) image sensor of a digital interface; and the optical system consists of a double-filter switcher, an electric three-variable lens, an infrared LED fill light, a motor driving module and an illumination control module and is used for realizing the remote control of lower optical image under a near-infrared waveband or full-spectrum waveband. The instrument adopts an Ethernet transmission image, flow field data, a state information and control command conforming to an IEEE (institute of electrical and electronic engineers) 802.3 protocol, and the instrument and data transmission can share one cable by supplying power in a PoE mode. The large-scale particle image velocimeter has the characteristics of strong anti-jamming capability, high temporal-spatial resolution and flexible and efficient system.

The invention arranges a chimney-shaped vertical round pipe on the ground surface; the lower end of the vertical round pipe is provided with an outer hat brim-shaped edge; the vertical round pipe leaves the ground surface by a distance; the upper end of the vertical round pipe is provided with a trough-shaped permanent magnetic ring with a V-shaped ring; a round pipe is prepared; wherein the upper end and the lower end of the round pipe are fixedly connected with a conical magnetic ring respectively, and the side part of the round pipe is provided with an air inlet hole which is inclined upwards from exterior to interior; the other side of the round pipe right facing to the inclined hole is provided with a wind direction rudder; subsequently, the round pipe is vertically arranged in the trough-shaped permanent magnetic ring with the V-shaped ring at the upper end of the vertical round pipe, with a gap and the same polarity face to each other; subsequently, a vertical round pipe with a inverted V-ring trough-shaped permanent magnetic ring is prepared and arranged above the round pipe with the inclined hole; furthermore, the inverted V-ring trough-shaped permanent magnetic ring and the conical magnetic ring at the upper end of the round pipe face to each other with a gap and the same polarity; the vertical round pipes at the upper side and the lower side of the round pipe with the inclined hole are connected with each other by a plurality of spaced connecting rollers; an impeller and a power generator are respectively arranged at the inlet of the vertical round pipe with the edge and the outlet of the upper-most vertical round pipe; and the wind power generation chimney generates the power by the horizontal wind and updraft simultaneously, has high efficiency and is practical.

The invention provides a biological aerosol negative pressure blocking device for respiratory infectious diseases, and belongs to the field of medical instruments. The mask solves the problem of how to obstruct, capture, filter and kill infectious droplet aerosol generated by breathing of a patient in time, improves the use comfort of the patient, and relieves local pain and swelling feeling generated by long-time wearing of a traditional mask. A mask system of the device is placed on a nursing sickbed and located above the head and neck of a patient, a fan system is connected with the mask system, and a filtering and disinfecting system receives infectious droplet aerosol from the fan system and is responsible for disinfecting and filtering harmful substances in the infectious droplet aerosol. The distance between the mask and the mouth and the nose of a patient can be adjusted according to the figure of the patient, the actual requirements of different people are met, meanwhile, the use comfort of the patient is improved through the non-contact use mode, and local pain and swelling feeling generated after a traditional mask is worn for a long time are effectively reduced.

The invention discloses a webpage tampering detection method and device. The method includes: detecting tampered content in a webpage according to a tampering feature library, and extracting link spamming in the tampered content; if frequency of occurrence of the extracted link spamming is higher than a first preset threshold, storing the extracted link spamming in a link spamming library; if the tampered content in the webpage is not detected according to the tampering feature library, detecting the tampered content in the webpage according to the link spamming library, and marking hit link spamming; generating new tampering feature rules according to the marked link spamming in the link spamming library, and adding the new tampering feature rules in the tampering feature library. By the scheme, the tampering feature rules are extended continuously by a self-directed learning mode, the webpage is detected according to the determined link spamming, varietal link spamming can be captured timely, and detection accuracy of webpage tampering is improved significantly.

The invention discloses a processing method for preventing instructions from returning to zero after a control unit is restarted in a thermal-control DCS. On the original configuration logical basis,a selector and / or a door logical device are introduced, an operator is controlled by initialized state signals of a control unit to enter the tracking state, control instructions output by the operator are equal to position feedback signals of controlled equipment, it is avoided that the control instructions return to zero after the control unit is initialized, and safe running of a unit is influenced, and the original function of a system is reserved. According to the processing method, by introducing a number-setting device, a non-gate logic device, a timer, a comparator and a gate logic device, three methods for obtaining the initialized state signals of the control unit are provided.

The invention discloses a method and system for dynamically capturing an abnormal scene of a whole vehicle, and the method comprises the steps: defining an abnormal scene needing to be diagnosed and a scene processing strategy according to demands, converting the abnormal scene and the scene processing strategy into a corresponding configuration format, mounting the configuration format to a server, pulling the configuration to local analysis by an abnormal scene capturing module, and transmitting the analysis result to a server; the method comprises the following steps: configuring a scene, monitoring and recording the change of each state defined in the configuration, processing the scene according to the configuration when all the states meet the configuration definition, uploading the recorded information and detailed logs to a server, and storing, analyzing and displaying the data by the server. According to the invention, scenes processed by the vehicle abnormal scene module and processing strategies thereof can be dynamically configured, which is more flexible; meanwhile, when the scene is abnormal, capturing is carried out in time, information related to the scene is accurately recorded, the problem that analysis cannot be carried out due to log missing and other reasons is reduced, the scene related state can be clear at a glance through the recorded information, and the problem can be known more visually.

The invention discloses a method and device for detecting webpage tampering. The method comprises the steps of detecting the tampering content in a webpage according to a tampering feature library, and extracting a black word-black chain pair in the tapering content, wherein the black word-black chain pair is composed of a black word and a black chain corresponding to the black word; if the occurrence frequency of the black word-black chain pair is higher than the preset threshold value, storing the black word-black chain pair into a black word-black chain library; if the tampering content in the webpage is not detected according to the tampering feature library, detecting the tampering content in the webpage according to the black word-black chain library. According to the method and device for detecting webpage tampering, black word-black chain feature data are continuously updated in an independent-studying mode, varied black word-black chain features can be timely captured, and the detection accuracy rate is improved.