87results about How to "Moderate amount" patented technology

The invention discloses a railway tunnel detection car, which solves the problems of potential safety hazard existence, low efficiency and great data error of the existing mode for detecting the tunnel defects and the concrete strength. The railway tunnel detection car comprises a track car body, a PC (Personnel Computer) and a geological radar host, wherein the track car body is provided with a cab and an underpan; the PC and the geological radar host are arranged in the cab; a tunnel defect detection mechanism, a tunnel concrete detection auxiliary mechanism, a tunnel inner contour illumination system, a crack detection system and a thermogram drawing system are respectively arranged in the track car body; a GPS (Global Positioning System) connected with the PC is arranged in the cab; and the tunnel defect detection mechanism, the crack detection system and the thermogram drawing system are connected with the PC. The railway tunnel detection car has the advantages that the design is reasonable; the operation is convenient; the one-step automatic detection of defects such as tunnel secondary lining concrete cracks, water seepage and empty spaces is realized; the potential safety hazards due to manual detection by workers is avoided; the detection stability, the detection efficiency and the detection precision are greatly improved; and the detection speed is greatly accelerated.

A structure for supporting an array of solar panels above a surface comprises finned poles, a horizontal spline, and a number of movable yokes coupling each of the solar panels to the spline, such that the solar panels may be secured to the spline, and later repositioned along the spline and re-secured to the spline. A pole includes one or more fins in a central portion, to stabilize the pole when set into the ground. The cross-section of the spline may take a variety of shapes, including quadrilateral shapes and conic sections. Constructing a solar array involves using commonplace, readily accessible materials, and construction equipment and methods with low-environmental-impact, all to produce an attractive, easy to construct environmentally friendly installation.

The present invention relates to an anti-theft method and device for shared bicycles. The method comprises the following steps that: the state values of shared bicycles at a preset position are acquired at preset time intervals within a preset time range; the probability of being massively stolen of the shared bicycles at the preset position is estimated according to the state values of the shared bicycles, and different alarm levels are generated according to the probability; and corresponding anti-theft measures are taken according to the different alarm levels. According to the anti-theft method and device for the shared bicycles of the invention, the probability of being massively stolen of the shared bicycles is estimated according to the state values of the shared bicycles; the different alarm levels and anti-theft measures are generated according to the probability, the higher an alarm level is, the higher the probability of being stolen of the shared bicycles is, and the more urgent a needed anti-theft measure is; and therefore, the used anti-theft measures can be more targeted, and the anti-theft effect of the shared bicycles can be improved, the real-time acquisition of the state information of the shared bicycles is not required, and resources can be saved.

The invention discloses a multi-AUV cooperative data collection algorithm based on Q-learning in UASNs, and the algorithm comprises the following steps: selecting a cluster head according to a certaincondition, adding other nodes to the cluster head nearby in a self-adaptive manner, and forming a node cluster; performing AUV task allocation based on an improved contract network algorithm; and performing path planning based on a Q-learning algorithm, and completing data collection by the AUV according to the planned path. According to the invention, reasonable task allocation is carried out ona plurality of AUVs, so that the task completion efficiency of the AUVs is improved, and the data collection delay is reduced; during data collection, the information level of the data packet is considered, and the emergency data is preferentially collected, so that rapid and effective processing of the emergency data is realized; the AUV is subjected to path planning by using Q-learning, so thatthe sailing distance and the energy consumption of the AUV are reduced.

The invention discloses a device for filling a wafer with glass powder. The device belongs to the technical field of electronic component production equipment. The device is characterized by comprising a supporting device for supporting the wafer, a loading device (5) and a scraping device (6), wherein the loading device (5) and the scraping device (6) are arranged on the upper side of the supporting device, the lower side of the loading device (5) is equipped with a material taking portion and drives the material taking portion to move, and a scraper (43) is installed at the lower side of thescraping device (6) and is driven to move. The loading device of the device for filling the wafer with glass powder places the glass powder on the wafer evenly by means of the material taking portion, the scraping mechanism removes the excessive glass powder on the wafer by means of the scraper so as to ensure that the amount of the glass powder on the wafer is moderate, the problem of complicated post processing technology caused by excessive glass powder is avoided, the problem of uneven glass powder division can be avoided, the glass powder painting speed is fast, the painting quality is stable, the qualified rate of electronic components is improved, and the production cost of the product is reduced.

Nutritional type ginseng land soil thermogenic agent belongs to the technical field of agriculture, and solves the problem that the root system suffers from serious frozen injury, and the survival rate of seedling is low when in the growing process of ginseng. The soil water retention agent is prepared by mixing 40.0-60.0% of pulverized fuel ash, 30.0-50.0% of crushed crop straw (with the water content of 60%), 0.30-0.50% of nitrohumic acid, 0.30-0.60% of monopotassium phosphate, 0.05-0.15% of boric acid, 0.10-0.30% of zinc sulfate, and 0.05-0.15% of ammonium molybdate based on the weight percentage. When in the land preparation, the nutritional type ginseng land soil thermogenic agent is evenly sprinkled on the soil, and the soil is ploughed for three times; when the soil water retention agent is uniformly mixed with ginseng bed soil with the depth of 30cm, the ginseng is transplanted. The invention is used for heating the ginseng land soil, and can raise the soil temperature. Meanwhile, the survival rate of seedling and the yield of the ginseng can be remarkably improved.

The invention discloses an urban public service facility construction decision-making method influencing population density, and the method comprises the steps: dividing an urban space into square geographic grid units with the same side length; performing unary linear regression analysis among different indexes by combining three parameter indexes, namely the density of interest points of all types, the density of interest points of different function types and the mixing degree of the function types of the interest points, which reflect the current development level of urban public service facilities; and further performing quantile regression analysis on the parameter indexes passing the regression model test, constructing a correlation and an influence process between population distribution data in the geographic grid units and public service facility indexes, and comprehensively judging the influence strength of the public service facilities on regions in different population development stages. According to the method, the public service facility types which should be preferentially built in regions with different population development levels in a city are accurately reflected, so that the population density improvement efficiency is improved, and the use efficiency of public service facility configuration is optimized.

The invention discloses a cold extrusion mold for a ball pin. The cold extrusion mold comprises an upper mold body (1), a lower mold body (2), an upper mold sleeve (3), a lower mold sleeve (4) and a product (9). The upper mold body (1) is fixed to the interior of the upper mold sleeve (3), and the lower mold body (2) is fixed to the interior of the lower mold sleeve (4); a lower mold base plate (5) is arranged in the lower mold sleeve (4), and is located at the bottom of the lower mold body (2); the product (9) comprises a ball head (27), a neck portion (28) and a rod portion (29) and further comprises a haff guide mold (6) and at least three haff blocks (7); the haff guide mold (6) is fixed to the interior of the lower mold sleeve (4), and a first through hole (8) is formed in the middle of the haff guide mold (6); and the lower mold body (2) is located in the first through hole (8), and the haff blocks (7) are located in the haff guide mold (6). By means of the cold extrusion mold for the ball pin, the machining allowance of the ball pin is lesser, the strength is higher, and the cost is lower.

The invention discloses a block selection common spatial pattern feature extraction method for motor imagery electroencephalogram, which comprises the following steps of: firstly, preprocessing original data in a mode of constructing a data block by dividing a frequency band by each channel, and secondly, performing correlation calculation on each block to obtain an index Fisher ratio for representing classification performance; then, selecting data blocks according to the indexes and a reasonable threshold value; and finally, carrrying out feature extraction and classification on data formedby the optimal blocks by using CSP and SVM. The selected blocks can effectively avoid difference between different individuals and different channels, the channels to which the blocks belong are reasonable in distribution and moderate in number, the classification performance of a BCI system is improved to a certain extent, and a new thought is provided for feature extraction of electroencephalogram signals.

The present invention relates to an inclusion state puerarin/cyclodextrin composition in which the mole ratio of cyclodextrin and puerarin is 1-5:1. the described cyclodextrin can be beta-cyclodextrin or hydroxypropyl-beta-cyclodextrin or sulfo-bulyl-beta-cyclodextrin or their mixture. Besides, said invention also provides its preparation method and concrete steps.

The invention relates to a low speed wireless network communication method. The low speed wireless network communication method is characterized by comprising steps that, 1), a wireless frequency band module less than 1G is employed to form a low speed wireless network, a gateway unit, an equipment node unit formed by multiple equipments and a repeater are arranged in the low speed wireless network, the gateway unit and sub node units are connected through a gateway and equipment to carry out data exchange; 2), communication time segment division is carried out, a communication time segment of the low speed wireless network is divided into a beacon frame time segment, a fixed time segment, a repeater time segment and a competition time segment; 3), networking is realized through the gateway and the equipment; 4), communication between the gateway and the equipment is carried out, after networking, normal data transmission is carried out; and 5), the equipment is re-electrified and accessed, the gateway trips to a public channel at certain intervals to emit information to check whether the equipment is accessed to the network. The wireless frequency band module less than 1G is employed to form the low speed wireless network, and the low speed wireless network communication method has advantages of proper indoor transmission distance, proper equipment quantity, timely response, low cost and simple communication system structure.

The invention provides a Web end three-dimensional scene attitude self-adaptive path roaming method considering topographic relief, which comprises the following steps: acquiring an existing element graph of an ecological space, the existing element graph of the ecological space having continuous XY coordinate points; simplifying the existing element graph of the ecological space by using a Douglas node suction algorithm, and taking the reserved node as an automatic roaming path node; calculating a roaming attitude parameter of each frame of three-dimensional scene in real time on the basis of the automatic roaming path node in combination with topographic data in the three-dimensional scene; and performing real-time rendering and refreshing on the three-dimensional scene of each frame in the Web-end browser, and completing the process of automatic roaming along the automatic roaming path node. The invention does not depend on manual roaming records, automatic roaming browsing can be quickly performed based on different ecological space elements, three-dimensional scene pictures are normal in the whole advancing process, timely fluctuating and smooth turning are performed, and the automatic path roaming effect of the Web end three-dimensional map is improved.

The invention provides equipment and method for slowing down salt-sodium sulfate co-production sodium sulfate flash tank scaling. The tank includes a circulation part, wherein the circulation part consists of a circulation pump, a preheater, a sodium sulfate evaporation tank, a sodium sulfate flash tank and a salt evaporation tank that are connected in order. The solid salt slurry flowing out of the salt evaporation tank is led to a salt slurry bucket, the effluent liquid is connected to the inlet of the circulation pump, the outlet of the salt slurry bucket is provided with a salt slurry pump, and the salt slurry pump conveys the salt slurry to a centrifuge through a salt slurry pump outlet pipe, and then salt can be collected. The equipment is characterized in that: the salt slurry pump outlet pipe is provided with a section of a reflux branch pipe communicated with the sodium sulfate flash tank, and the reflux branch pipe is equipped with a flow control valve. The equipment and method provided by the invention are beneficial to precipitation growth and flash operation of crystals in the sodium sulfate flash tank, can slow down the production of salt scale and prolong the operation period, and have very strong practicability.

The invention discloses a hospital patient body position collection pad, a body position management system and a body position management method. The hospital patient body position collection pad comprises a mattress body; two pressure sensing chains are arranged on the mattress body at intervals, the middle section of one pressure sensing chain is located on the shoulder of a patient when the patient lies on the mattress body, and the middle section of the other pressure sensing chain is positioned on the sacrococcygeal region of the patient when the patient lies on the mattress body; and each pressure sensing chain comprises four flexible thin film pressure sensors which are sequentially connected, the four flexible thin film pressure sensors are arranged on the mattress body in an M shape, and the two flexible thin film pressure sensors on the outermost side extend towards the two sides of the mattress body in a splayed shape. An upper computer obtains pressure data to judge the body position, and efficient and accurate nursing suggestions are given. The number of the sensors on the whole acquisition pad is appropriate, the sensors are skillfully distributed, the cost of the sensors can be reduced, and the data processing complexity is greatly reduced.

A light-sensitive silver halide photographic emulsion has been described comprising a binder and tabular grains rich in silver bromide, characterized in that said grains contain as a dopant RhClx(SCN)y, wherein each of x and y are integers having a value of at least 1 and less than 6 so that x+y equals 6.

The invention discloses environment-friendly conductive silver paste and a preparation method thereof and a crystalline silicon solar cell prepared from the environment-friendly conductive silver paste. The environment-friendly conductive silver paste is prepared from compound silver powder, high-performance lead-free glass powder and an organic carrier, wherein the compound silver powder is micron silver powder containing ultrafine silver oxide with the mass fraction of 4-9%. Compared with the prior art, the ultrafine silver oxide is compounded with the micron silver powder, so that formationof a dense and flat silver film is facilitated; the environment-friendly conductive silver paste has relatively high tap density and relatively high sintering activity; the lead-free target of the conductive silver paste at the front side of the crystalline silicon solar cell is achieved by adopting the high-performance lead-free glass powder; the surface tension and the rheological property of the conductive silver paste are improved through adjusting the components and the content of the organic carrier; the environment-friendly conductive silver paste disclosed by the invention has good thixotropy and low contact resistance; the photoelectric conversion efficiency of the prepared crystalline silicon solar cell reaches 17.9-18.1%; new energy can be developed; and the crystalline siliconsolar cell conforms to the environmental protection concept and has a broad application prospect.

The invention relates to a plan decision-making method based on a voice instruction. The method comprises the following steps: receiving the voice instruction; a pre-arranged plan library is established, a plurality of solutions are arranged in the pre-arranged plan library, and any solution comprises a personnel scheduling scheme, a vehicle scheduling scheme and a material scheduling scheme; each solution in the plan library corresponds to a plan library instruction, analyzing the voice instruction, and obtaining at least two statements in the voice instruction and a dependency relationship between semantics represented by the statements; performing statement and dependency relationship comparison on the voice instruction and a plan library instruction to obtain a comparison result; and selecting a plan library instruction with relatively high statement similarity and dependency relationship similarity with the voice instruction, executing a solution corresponding to the priority instruction, and completing operation and execution of a personnel scheduling scheme, a vehicle scheduling scheme and a material scheduling scheme based on the priority instruction. The corresponding solution can be executed according to one voice instruction, language transmission or other official documents are not needed, and linkage of a plan system is achieved.

The invention relates to a feed-adjustable premixed concentrate nozzle which comprises an oxygen supply pipe and a scattering air pipe, wherein the oxygen supply pipe and the scattering air pipe are vertically arranged and are sleeved in order, and the pipe cores of the oxygen supply pipe and the scattering air pipe are overlapped. The outer wall of the scattering air pipe is sleeved with a feed box, and a batch charging port used for inclined downward batch charging is formed in the side face of the feed box. Splitting plates are vertically arranged on the inner side of the feed box and are used for dividing the batch charging port into a plurality of batch charging branch ports, and the width of the batch charging branch ports is regulated by the rotation of the splitting plates. Batch charging channels corresponding to the batch charging branch ports lead mineral aggregates to the specified material chambers in the feed box. The width of all the batch charging branch ports is regulated by the rotation of the splitting plates, so that the batch charging amount of each batch charging branch port is controlled, and further the batch charging amount of the specified material chambers in the feed box can be controlled. The feed-adjustable premixed concentrate nozzle realizes uniform feeding on each point direction in a flash furnace and effectively solves the problem that the burning temperature in the flash furnace is unbalanced.

The invention discloses an integrated circuit semi-custom physical design penetration signal line automatic planning method, comprising the following steps: Step S1: Obtain the original design data and judge the correctness of the original design data. If the judgment is passed, the step S1 is executed; otherwise, the step S1 is executed repeatedly. 2, carry out automatic planning of that pas signal line according to the original design data. 3, derive a through signal line planning result file accord with that format prescribed by the EDA tool and a report file for subsequent analysis, judging whether the through signal line plan result file conforms to the requirement, and executing a subsequent flow if the judgement is passed, otherwise repeatedly executing the step S1. The invention discloses an integrated circuit semi-custom physical design penetration signal line automatic planning method, which has the characteristics of short FeedThrough path, moderate number of sub-module pins, good FeedThrough symmetry and the like, and can improve the design efficiency of penetration signal line.