629results about How to "Reduce the degree of impact" patented technology

The invention discloses an anti-rollover device of a railway vehicle. The anti-rollover device is a hook plate which is arranged at the bottom of an axle bearing housing of the railway vehicle, wherein a hook is arranged at one end of the hook plate; two hook plates can form a pair and are arranged at the bottoms of the axle bearing housings of a left railway vehicle and a right railway vehicle respectively; openings of the hooks on the hook plates face inwards and are opposite to the outer side surface of a steel rail; and the two hook plates are arranged symmetrically. The hook plates are connected to the lower parts of the axle bearing housings by bolting, welding, riveting, or casting and located above the railway steel rail. When the railway vehicle derails, two wheels of the railway vehicle are disengaged from the steel rail so that the overall railway vehicle deflects towards one side, in such a situation, the anti-rollover device disclosed by the invention can hook the outer side surface of the steel rail so that a railway vehicle body is remained in a state of being perpendicular to the steel rail to ensure that a rollover accident is prevented effectively by means of a reacting force of the steel rail against the wheels, and loss caused by the accident is reduced; no matter how the railway vehicle deflects horizontally after derailing, the anti-rollover device can play a role in locating and preventing rollover; and the anti-rollover device further protects the steel rail well and is safe and reliable.

The invention discloses a turbocharger which utilizes the outer source compressed air to apply complementary energies on a rotor of the turbocharger, so as to improve the pressurizing pressure and improve the lower working situation property and instant characteristics of a gas engine. The turbocharger is formed by combining three parts of a turbocharger with ordinary structure and two accessories - a gas ejector and a gas complementing chamber. The outer source high-pressure compressed air ejects partial low-pressure pressurizing air through the gas ejector to form gas complementing air to flow in the gas complementing chamber to be mixed with the exhaust gas of the gas engine, thus increasing the fuel gas flow flowing into a turbine and improving the power and pressurizing pressure of the turbine. Compared with the prior art, the turbocharger has the advantages of mature technology, simple structure, reliable and safe use, low cost, direction pressure control, large adjusting and controlling degree, fast response and good effect; besides, the turbocharger can ensure the working situation to operate continuously after being adjusted and controlled and can be used on the gas engines of vehicles, ships and engineering plants.

The invention relates to a synergistic bactericide composition, in particular to a bactericide composition which comprises synergistically effective amount of kresoxim-methyl and any one of bactericidal active ingredients selected from the group consisting of diniconazole, flutriafol, triadimefon, thiophanate methyl, benomyl, prochloraz, ethirimol, bromothalonil, mancozeb, ziram, polyoxin, zhongshengmycin and wuyiencin.

The invention provides an electromagnetic radiation interference resisting method and device for an information link of an unmanned aerial vehicle. The electromagnetic radiation interference resistingmethod comprises the steps that unmanned aerial vehicle electromagnetic parameters and external electromagnetic radiation interference information are obtained, and a first parameter sensitive threshold, a second parameter sensitive threshold and a third parameter sensitive threshold are generated according to electromagnetic radiation sensitive information; an early warning signal is generated if the current interference signal intensity is greater than a first interference signal intensity threshold and less than a second interference signal intensity threshold; the unmanned aerial vehicleautomatically switches the channel if the current interference signal intensity is greater than the second interference signal intensity threshold and less than a third interference signal intensity threshold; and the unmanned aerial vehicle automatically executes a return instruction if the current interference signal intensity is greater than the third interference signal intensity threshold. According to the invention, the unmanned aerial vehicle can be avoided from being trapped in a strong electromagnetic interference area suddenly or having a sudden unexpected situation, the electromagnetic threat perception ability of the unmanned aerial vehicle is improved, the degree of influences imposed on unmanned aerial vehicle equipment by external continuous wave in-band electromagnetic radiation interference is reduced, and the intelligent development level of the equipment is improved.

The invention is applied to the technical field of image detection and provides a method and a device for face tracking. The method comprises the steps of acquiring an image position of a face detection box in a previous image frame; locating a region which is the same as the image position in a current image frame; carrying out face alignment between an image in the region located in the current image frame and a front template of a face in the face detection box to acquire characteristic point positions of the face in a current image; determining the face detection box in the current image frame according to the acquired characteristic point positions. When face tracking is carried out on a video image, overall situation is not needed for each frame of image in a video, the calculation quantity for face tracking in the video is reduced, the processing efficiency is improved and the influence degree of video definition for processing is reduced.

The invention relates to a nano carbon black conductive concrete which is prepared by using silicate cement and sand as the basic material and using nano carbon black as the conductive phase, wherein the constituents of the conducting material comprise (by weight percent) nano carbon black 0.05-3, nano carbon black dispersing agent 0-3, concrete dehydragent 0-0.75.

A composite bactericide for preventing and treating the plant diseases caused by pathogenic fungus contains two active components including triazole and two carriers including surfactant.

The invention discloses a garbage classification disposal collection device for kitchen garbage disposal. The garbage classification disposal collection device comprises a box body, a recovery cavitywith an upward opening is formed in the upper end surface of the box body, and a garbage bag separation device is arranged on the right side of the recovery cavity; a solid-liquid separation device isarranged below the recovery cavity, the solid-liquid separation device includes a fourth rotating shaft which is symmetric left and right and rotatably arranged between the front wall and the rear wall of the recovery cavity, and a smashing roller is fixedly arranged on the outer circle surface of the fourth rotating shaft; and a fermentation device is arranged on the right side of the solid-liquid separation device. The garbage classification disposal collection device can be placed at each kitchen garbage collection point, and collected kitchen garbage is automatically separated from a garbage bag for filling the garbage, oil and other liquids contained in the garbage are separated from the solids, then the garbage is fermented into organic fertilizer in situ, odor can be prevented frombeing emitted, vortex heating is used for providing the temperature required by fermentation, fire hazards such as open fire are avoided, no exhaust emission exists, and the influence on environmentis reduced significantly.

The invention discloses a glandular tissue characteristic gray scale detection method and device. The method comprises that: a pre-exposure sampling image is acquired, and a mammary tissue area is extracted from the pre-exposure sampling image; the mammary tissue area is scanned so that area contour lines are acquired; gland scanning areas are extracted from the mammary tissue area according to distribution characteristics of the area contour lines; gland candidate points are selected from the gland scanning areas, and a gray scale value of each gland candidate point is acquired; and a gray scale mean value of the gland candidate points is calculated, and the gray scale mean value acts as the characteristic gray scale of the gland scanning areas. The process has no participation of personnel so that time and labor are saved, and defects of inaccurate and unreasonable characteristic gray scale caused by artificial factors are also avoided. Besides, the defects in the prior art that secondary exposure dose is increased under the influence of interference factors can be reduced and even avoided by the technical scheme.

The invention discloses a cloud detection method by using MODIS remote sensing thermal infrared data, which involves mainly utilizing the emissivity difference between a cloud and an underlay object in a MODIS data long wave radiated wave band for cloud detection. Since the cloud is different from such underlay objects as vegetation, exposed soil, snow, sand, water area and the like in terms of substance properties and surface conditions, their emissivity in a long wave band are different. The invention further provides a cloud index (TCDI) method which involves cloud detection by using the emissivity difference between the cloud and other underlay objects, is free from the influence of sunlight, and is capable of the cloud detection in both the day time and at night.

The invention discloses a method for utilizing high-load earthworm biological filter to treat decentralized sewage in countries, and relates to a sewage treatment method. The treatment method comprises the following steps: the decentralized sewage in the countries is firstly collected; suspended matter and floating matter are removed by a pretreatment tank; BOD5 is led to be 110 to 160mg/L, COD is 120 to 150mg/L and SS is 90 to 130mg/L; then the obtained mixture is pumped into the high-load earthworm biological filter according to hydraulic loading of 4 to 6m<3>(m<2> question mark d); after passing through a first earthworm biological filtering layer and a second earthworm biological filtering layer which are filled with light shale spherical porcelain granules (7) filtering media with the diameter of 3 to 7mm and 15000 to 28000 eisenia foetidas (8) are added on the surface of the filtering media per square meter, the water which is discharged from a settling tank (6) and has BOD5 of less than 15mg/L, COD of less than 60mg/L and SS of less than 15mg/L reaches the national water quality standard for field irrigation; little amount of residue sludge which is collected by the settling tank (6) and contains wormcast is used for improving the soil or is used as fertilizers. The method has large hydraulic loading, small occupy area, is hard to be blocked, has simple process and operation, good water outlet quality and low construction cost and operating cost and can be widely used for treatment of the waste water in rural areas.

An independent suspension mechanism for an omni-directional mobile platform includes two symmetrically arranged mecanum wheels, driving devices are connected to the inner sides of the mecanum wheels,and damping mechanisms are connected to mounting brackets at the outer sides of the mecanum wheels; spring guide rods are arranged at both sides of reduction gears, the top portions of the spring guide rods are connected with a car body mounting plate, and the bottom portions of the spring guide rods are connected with the mounting brackets, and the middle of the spring guide rods are sleeved withfirst rectangular cross-section springs; and a closed structure is formed by the two mecanum wheels through the car body mounting plate, the mounting brackets, and a connecting plate. According to the independent suspension mechanism for the omni-directional mobile platform, the pressure can be adjusted according to the load and ground conditions under multiple different environmental conditions,the influence of the ground on the running process of the mecanum wheels can be reduced, and the phenomenon of suspension of a certain group of wheels due to the unevenness of the ground is avoided;and the independent suspension mechanism for the omni-directional mobile platform has the advantages of stable operation of the platform, strong ability to overcome obstacles, and high bearing capacity.

The invention discloses a tax credit score calculating method and device. The method comprises that tax credit behavior record data of an object to be evaluated is obtained; on the basis of a pre-established evaluation index system model and the tax credit behavior record data, scores of first type of evaluation indexes with time attenuation characteristic are calculated regularly or in real timeby utilizing a time attenuation algorithm according to an evaluation period, an attenuation period and a scoring rule, and scores of non first type of evaluation indexes are calculated regularly or inreal time according to the scoring rule; and via a cardinal number scoring method, the index score, index weight and dimension weight of the evaluation index are multiplied to obtain a product of each evaluation index, and the products of different evaluation indexes are added to obtain a tax credit score of the object to be evaluated. Thus, a tax credit evaluation result is more accurate and timely, and influence of the evaluation indexes on a credit evaluation result is reduced with time.

The invention relates to a coal mining method, in particular to a safe and fast driving method for large-section open-off cut time-by-time tunneling. The safe and fast driving method can solve the problem of low efficiency in existing large-section open-off cut construction and comprises the following steps: enabling a coal cutter to start to drive along an open-off cut pilot tunnel from one side of a wind inlet lane of a designed working face, simultaneously laying tracks and a scraper-trough conveyer for transporting out coal cinders, grinding an angle on one side of open-off cut enlargement (the expanded side) to be constructed after the open-off cut pilot tunnel is driven in place, enabling the coal cutter to turn and adjust the machine with 90 degrees for cutting coal in the angle grinding position so as to enable a coal cutter unit to enter into a wind return lane, further adjust the machine with 90 degrees for cutting the coal so as to enable the unit to enter into the side end to be enlarged, then starting to drive the open-off cut enlargement side, transporting out the coal cut during the driving process by utilizing the well laid scraper-trough conveyer, and merging the open-off cut enlargement side with the open-off cut pilot tunnel for performing open-off cut on the working face after the end of driving of the open-off cut enlargement side.

The invention provides a herbicide combination, containing the effective constituents of picloram or picloram ester, clopyralid or clopyralid ester and as well as one or more varieties of triketone; the weight ratio of the three constituents is 0.1:1:20-20:1:0.1. The combination contains at least one surfactant. The combination can be used to prepare emulsifiable solution, liquor, thick emulsion, microemulsion, wettable powder, water suspending agent, oil suspending agent, water-dispersible granules, soluble powder or granules, and is used to prevent and control Gramineae and broad-leaved weeds which have grown for one year or more than one year in the corn field.

The invention relates to an electropneumatic braking method and an electropneumatic braking system with fault complementation control on the basis of single-axis control, which is characterized in that two independent embedded type electropneumatic braking units are adopted, and each unit comprises a control circuit, a piezoelectric relay valve, a piezoelectric ventilation valve and a corresponding pressure sensor; the two units are managed by a communication and management circuit and arranged near a steering frame; and two axles on the same steering frame are controlled by the two embedded type electropneumatic braking units respectively. The method and the system can greatly reduce the volume of a cylinder and a pipeline by directly controlling a single braking cylinder, and have the advantages of rapid control response, high precision and good safety.

The invention discloses a method for recognizing lithology through reconstructed textures. The method comprises the following steps: establishing an original specimen image library; establishing a standardized image library; extracting features of the rock specimen image by using discrete convolution and maximum pooling operation of a convolutional neural network MobileNet-V2 convolutional model,and effectively preventing the problems of gradient explosion and gradient disappearance in the image feature extraction process by using a new algorithm; and selecting the rock category with the maximum probability to output a result, and completing the recognition process. According to the method, the problems of low precision and low recognition efficiency caused by the fact that an existing algorithm is limited to two dimensions in the field of randomly recognizing rock lithology under the conditions of particle distribution and section texture development and imaging quality including rock color, definition and the like are solved. The method has the advantages that various lithology characters can be widely identified without being limited by external factors such as backgrounds andcolors, and the identification accuracy is improved; intelligent identification operation speed improvement.

The invention discloses a composition containing bactericidal active substances of SYP-1620 and tricyclazole, and a composition containing bactericidal active substances of SYP-1620 and tricyclazole and potentiator salicylic acid or salicylhydroxamic acid. SYP-1620 and tricyclazole and in a ratio of 1:50-50:1 by weight on the basis of the active components, and the proportion of potentiator salicylic acid or salicylhydroxamic acid to bactericidal active components is 0.1-20% by weight. The composition can be prepared to preparations, such as oil suspension agent, emulsifiable solution, suspending agent, wettable powder and water dispersible granules, and applied in farmlands, orchards or warehouses for controlling plant diseases of cereals, vegetables, fruit trees, Chinese medicinal plants, lawns and tropical crops, such as rice blast, colletotrichum lagenarium, cotton fusarium wilt and the like.