68results about How to "Avoid overcrowding" patented technology

The present invention provides a navigation system comprising a display for displaying map sections and point of interest (POI) data to a user and a database which stores POI data. A retrieval unit is provided to retrieve from the database POI data for the map section to be displayed. In embodiments of the invention the POI database comprises POIs and substitute POIs representing a number of POIs in a map region. It may then depend on the map scale with which the map section is to be displayed whether a substitute POI or a POI which it represents is retrieved from the database.

The invention discloses a parking guidance system based on LBS (location based service). The parking guidance system consists of a parking lot server side, a server and a client side, wherein, the parking lot server side comprises an exit sensor and an entrance sensor which are respectively arranged on lifting levers at an exit and an entrance of a parking lot, and the sensors collect parking space information of the parking lot in real time and send the information to the server; the client side acquires car position information through a positioning module and then sends the information to the server; and according to the received parking space information of the parking lot, the server selects three parking lots based on a near-to-far distance and low-to-high charges principle, and sends the position information of the parking lots to the client side. The parking guidance system based on the LBS has the characteristics of realizing convenient and fast parking, fully and reasonably utilizing resources and facilitating energy conservation and emission reduction.

The invention discloses a digital-map-based urban traffic flow network parallel information system. A location-based service (LBS) system is used as a framework, and a browser and Android application are used as a display platform. The system comprises a positioning service module, a road condition service module, a path planning service module and a traffic information prediction module, wherein the positioning service module provides a positioning parameter for the road condition service module and the path planning service module; the road condition service module receives positioning information provided by the positioning service module, and displays the road condition information of an urban region on a digital map; the path planning service module performs path selection service between a starting point and an ending point or between a current position and a destination according to a request of a user to select an optimal path between the starting point and the ending point or between the current position and the destination; and the traffic information prediction module is a core program for predicting traffic road condition information. The system has the advantages that the road conditions of a city can be comprehensively and accurately displayed by road condition service; and real-time road conditions and predicted road conditions are comprehensively taken into account by path planning service, and the optimal path can be accurately planned.

The invention discloses addition type liquid silicone rubber and a manufacturing method of the addition type liquid silicone rubber. The addition type liquid silicone rubber comprises the following raw materials, by weight, 100 parts of vinyl end silicone oil, 10 parts to 45 parts of chain extender, five parts to ten parts of hydrogen-containing silicone oil, five parts to 30 parts of vinyl MDQ silicon resin, 0.02 part to 0.6 part of inhibitor and 0.05 par to 0.5 part of catalysts. The viscosity of the vinyl end silicone oil is 5,000 mPa.s to 20,000 mPa.s. According to the addition type liquid silicone rubber, on the basis of guaranteeing low system viscosity, high elasticity is achieved, strength is high, transparency is good, the light transmittance exceeds 96 percent, and the addition type liquid silicone rubber can be used as packaging materials in the field of electronic industry.

The invention belongs to the technical field of high molecular functional materials and provides a preparation method of multilayer assembled micron-grade mono-disperse polystyrene magnetic composite microspheres. The preparation method of the polystyrene magnetic composite microspheres comprises the following steps: preparing mono-disperse sulfo or carboxyl polystyrene microspheres with rich negative charges on surfaces by adopting dispersion polymerization; then utilizing electrostatic interaction among the mono-disperse sulfo or carboxyl polystyrene microspheres, strong cation polyelectrolyte and sodium citrate modified Fe3O4 nanoparticles to finally prepare the micron-grade mono-disperse polystyrene magnetic microspheres. According to the preparation method provided by the invention, the mono-disperse polystyrene magnetic microspheres with highly uniform grain diameter and a micron-grade grain diameter can be obtained; the application requirements in the fields of chemiluminescence immunity, cell separation, protein purification and the like can be met; the preparation method provided by the invention also has the advantages of simplicity and convenience for operation, energy saving and consumption reduction and is suitable for industrialized popularization and application.

The invention discloses a double-metal co-doped carbon nano-composite material and a preparation method thereof. The composite material is prepared from a carbon substrate and ferrocene-phenylalanine and transition metal except iron, which are co-assembled on the carbon substrate through a non-covalent bond, wherein the ferrocene-phenylalanine, the transition metal except the iron and the carbon substrate commonly form a raspberry-like nanosphere structure. The invention further discloses a double-metal-nitrogen-carbon nano-catalyst obtained by mixing the composite material with dicyanodiamide and carbonizing and further provides application of the double-metal-nitrogen-carbon nano-catalyst to catalytic oxygen reduction reaction. The preparation methods of the composite material and the catalyst have simple steps and low cost and are suitable for large-scale application. The double-metal-nitrogen-carbon nano-catalyst provided by the invention has excellent electrochemical performance and has good methanol toxin resistance and stability, so that the double-metal-nitrogen-carbon nano-catalyst has a good application prospect in the field of the catalytic oxygen reduction reaction.

The invention relates to a banded transportation junction formed by paralleling parallel elevated road stations and elevated railway stations, belonging to the technical field of railway station construction and aiming at solving the problem of inconvenience brought about for people by the conditions that the stations of various transport means of a large-scale integrated transportation junction are excessively concentrated, a scale is excessively huge, and transport is separated from commerce. The parallel elevated road stations are arranged parallel to one or more than one elevated railway station at short distances to form the banded transport hub; stop stations of island platforms of the parallel elevated road stations correspond to entrances/exits of the elevated railway stations, and passengers can take buses which are convenient for positive-direction and reverse-direction transfer on parallel elevated roads to reach and leave the entrances/exits of elevated railway stations on which the passengers need to take; and when the parallel elevated road stations are parallel to the elevated railway stations in an overlapping way, the parallel elevated road stations are positioned below the elevated railway stations.

The invention discloses a paddy rice broadcasting method and relates to the technical field of crop planting. The paddy rice broadcasting method comprises the following steps of (a) mixing 0.75 to 1 part by weight of seeds and 2.5 to 3 part by weight of particles to form mixed particles for spare use, (b) draining accumulated water of a to-be-broadcast trench surface one day before broadcasting, (c) evenly scattering the mixed particles on the trench surface, then paving a plastic film on the trench surface, paving a layer of heavy objects on the plastic film and pulling the plastic film on two sides of the trench surface along the length direction of the trench surface. By the use of the paddy rice broadcasting method, problems of plant falling and uneven seed growing density in the present paddy rice broadcasting method can be solved.

The invention discloses a data point cloud downsizing method, comprising the following steps of: estimating an initial point cloud normal; carrying out bilateral filtering on the initial point cloud normal; carrying out Poisson-disk sampling on an initial point cloud; estimating a sampling radius through a similar area of an original point cloud and utilizing a neighborhood ball Boolean operation to expand a usable sampling boundary; and on the basis of a point cloud sampling result, respectively supplementing or removing a sampling point from sparse and dense regions to obtain an appointed downsizing quantity. The data point cloud downsizing method disclosed by the invention keeps sharp edge characteristics and boundary data and prevents the sampling point from being locally focused to obtain more balanced distribution; and therefore, the data point cloud downsizing method is very good for application of subsequent high-quality triangularization, drawing based on points, a shape restricting cartoon and the like.

The invention discloses an automatic production system for pickled vegetable. The automatic production system comprises a fermenting device, a cutting device, a packing device and an automatic control device, wherein the devices are all arranged in a sterile bin; the fermenting device comprises multiple fermenting pools; a water outlet is arranged at the bottom of each fermenting pool; a weight squeezing the vegetable is arranged in the fermenting pool; the average density of the weight is equal to or slightly greater than the density of free water squeezed from the pickled vegetable; one side of the fermenting pool is provided with a circular sterilizing device; a transmission belt for delivering vegetable into the fermenting pool is arranged above the fermenting pool; the outer wall of the fermenting pool is provided with a temperature control device; a manipulator for moving the weight and the vegetable is also arranged in the sterile bin; and the automatic control device is electrically connected with the devices, the transmission belt and the manipulator and controls the devices, the transmission belt and the manipulator to work coordinately. In combination with a low-salt pickling process, the automatic production system disclosed by the invention is suitable for low-salt pickling, and can avoid excessive squeezing of the vegetable and effectively ensure the mouthfeel ofthe finished product in the squeezing process; and moreover, the entire production process does not involve manual operation, thus manmade pollution is avoided.

The invention discloses a method for preparing highly dispersed silica by a gradient pH precipitation process. The method comprises the following steps: (1) preparing a sodium silicate solution and anacid solution; (2) adding a surfactant and the acid solution to the sodium silicate solution until the pH value of the system is 5 in order to obtain a mother liquor; (3) adding the sodium silicate solution to the mother liquor to adjust the pH value of the system to 11 from 5, and then adding the acid solution to the mother liquor to adjust the pH value of the system to 5 from 11; and (4) separating and drying the mother liquor to obtain the highly dispersed silica. Compared with the prior art, the method of the invention has the advantages of realization of the dispersion grade of the prepared silica product in rubber of above 9.7, and small acid consumption.

The invention provides a buffering device for proliferation releasing of aquatic fingerlings. The buffering device comprises a box body, a fingerling inlet pipe is obliquely connected to the upper portion of the side of the box body, a fingerling outlet pipe is connected obliquely to the lower portion of the side of the box body, a guiding plate connected with the outer wall of the box body is arranged below the fingerling outlet pipe, a fingerling separating device is connected to the fingerling outlet pipe through penetration, a valve is arranged at the connecting position, the fingerling separating device comprises a cylindrical shell, and an inner cavity of the shell is divided by multiple dividing plates capable of rotating around the axis of the shell. With the device, the effect ofadaptation of the released fingerlings to the oxygen content in water can be improved, foams gathering on the water surface can be eliminated, the fingerlings are released in batches, a stress reaction of the fingerlings to the environment is relieved, and the death rate of the fingerlings is decreased.

The invention relates to a passenger flow comprehensive prediction system and method, and the system comprises: a short-time passenger flow prediction subsystem which is used for generating short-timepassenger flow prediction; a conventional short-term passenger flow prediction subsystem which is used for predicting OD quantity among rail transit line websites in days, weeks, months, years and holidays and quickly realizing distribution of the predicted OD quantity in the whole network; and a predictable large passenger flow prediction subsystem which is used for predicting the OD quantity between rail transit line websites under a large passenger flow event and quickly realizing the distribution of the predicted OD quantity in the whole network. According to the passenger flow predictionmethod, passenger flow distribution in special time periods such as short-term passenger flow distribution, conventional short-term passenger flow distribution and holidays is predicted to sort passenger flow, so that excessive congestion caused by mismatching of supply and demands is avoided, and the situations of transport safety reduction and transport capacity waste are avoided.

The invention discloses a preparation method of highly dispersion and high thermal conductivity white carbon black. The preparation method includes the steps of 1), preparing a sodium silicate solution and an acid solution; 2), adding a surface active agent, aluminum salt, magnesium salt and the acid solution to the sodium silicate solution till the pH value of the system is to obtain mother liquid; 3), adding the sodium silicate solution to the mother liquid, adjusting the pH value of the system from gradient 5 to 11, and then adding the acid solution to the mother liquid to adjust the pH value of the system from gradient 11 to 5; 4), separating and drying the mother liquid to obtain the white carbon black. Compared with the prior art, the preparation method has the advantages that the thermal conductivity of the white carbon black is above 15w/m k, and the dispersion grade is more than 9.7.

The invention relates to a data display method, a data display device, a computer-readable storage medium and electronic equipment. The method comprises the steps of acquiring a maximum value and a minimum value in to-be-displayed data; determining data lengths corresponding to the maximum value and the minimum value; determining a data upper limit value and a data lower limit value according to the maximum value and the corresponding data length thereof, the minimum value and the corresponding data length thereof; and displaying the to-be-displayed data in a display region of a coordinate system by using the data upper limit value as an upper limit of a vertical coordinate and the data lower limit value as a lower limit of the vertical coordinate. Through the abovementioned technical scheme, for different to-be-displayed data, display ranges of coordinate axes in the coordinate system can be self-adaptively and dynamically adjusted, so that the to-be-displayed data are uniformly distributed in the display region of the coordinate system, therefore, a variation trend of the to-be-displayed data can be displayed more clearly.

In a hog production plant the hogs are divided into a series of separate pens within the hog plant based generally on weight such that the lightest hogs closest to the initial weight are arranged in the first pen when the arrive and the heaviest hogs closest to the final market weight are arranged in the last pen. Each pen includes a sorting scale arranged to receive a hog therein and to weigh the hog for selection of one of two outlet paths leading to the next pen of the series or, in respect of the last pen, to a discharge location. A control unit for the system is arranged such that a required number of hogs to be removed from the last of the pens for market, the required number being less than the total number of hogs in the last pen and less than the total number of hogs in each of the other pens of the series is set and the sorter operated to remove the required number of hogs from the last pen and to transfer from each pen to the next of the series substantially the same number so as to maintain the numbers of hogs in the pens substantially constant.

The invention discloses a high-yield trellis-erection cultivation method of subprostrate sophora seeds. The method comprises the steps of bedding, field planting, trellis erection, branch guiding to trellises, flower and fruit preservation, seed harvesting and pruning and fertilizer supplementation; from March to April, diagonal field planting is conducted; from May to July of the second year after field planting, the cultivation trellises are erected among subprostrate sophora rows; in the second year and third year after field planting, on the first ten days of April, a mixed aqueous solution of gibberellin, brassin and high-potassium foliar fertilizer is sprayed to flower branches, on the middle ten days of May, a 20% chlorantraniliprole suspension aqueous solution is sprayed to whole plants, and from the middle and last ten days of May to the first ten days of June, the flower branches are pruned. According to the method, by additionally arranging the cultivation trellises among the subprostrate sophora rows, the branches of subprostrate sophora grow transversely along the cultivation trellises, and dense branches and lodging are avoided; meanwhile, in cooperation with pruningof the flower branches, fertilizer supplementation and pest prevention and control, the flower and fruit setting rate of subprostrate sophora is increased, and the high yield of the subprostrate sophora seeds is achieved.

The invention discloses a double-channel cyclic heating system of a clothing care machine. The double-channel cyclic heating system of the clothing care machine comprises a shell; a heating and air supply system is arranged in the shell; a working cavity is formed in the shell; the heating and air supply system can provide hot air for drying clothing; the heating and air supply system comprises an air inlet and air outlets; the air outlets are formed in the two sides of the air inlet; the air inlet and the air outlets are communicated with the working cavity. Therefore, the air in the working cavity is sucked from the air inlet and output along the air outlet on the two sides, hot air circulation is formed in the working cavity, the temperature is continuously increased, the hot air can act on the clothing continuously, and drying of the clothing is accelerated.

The embodiment of the invention provides a cooling system used for cooling an electric automobile. The cooling system comprises a cooling loop, a cooling liquid pump, a heat radiator and ventilation holes, wherein the cooling liquid pump comprises a pump water outlet and a pump water inlet; the pump water outlet and the pump water inlet correspondingly communicate with the cooling loop; the heat radiator comprises a heat radiator water inlet and a heat radiator water outlet; the heat radiator water inlet and the heat radiator water outlet correspondingly communicate with the cooling loop; theheat radiator is mounted on a side beam of a chassis of the electric automobile; and the ventilation holes are formed in the side wall of a shell of the electric automobile and used for providing heatradiation air for the heat radiator. As the ventilation holes are formed in the side wall of the shell of the electric automobile, and the heat radiator is mounted on the side beam of the chassis ofthe electric automobile, the heat radiator can be effectively cooled by using side air.

The invention provides a ring city, belongs to the technical field of city planning and construction, and solves the problem that the city traffic form, the road network structure and the city layoutof city sub-centers and new city districts planned and constructed according to low-speed and general-speed traffic times at present cannot meet the requirements of high-speed traffic times and cannotmeet the requirement of people on high-speed city traffic. The technical scheme of the ring city is characterized in that annular channels matched with highways and railways are formed through serialconnection of multiple ribbon hubs, and aerial railways, parallel viaducts and stations connected with the ribbon hubs, and the ring city is jointly formed by the annular channels, and city functional areas and dwelling areas on the two sides of the annular channels; different requirements of different cities can be adapted through the deformation of the annular channels; and through the close-range arrangement and connection of the two or more annular channels and the close-range arrangement with high speed railways and national railways, the service range of the annular channels can be extended, and the ring city scale is expanded.

The invention discloses a regional personnel management system and method, and belongs to the technical field of regional management, the regional management comprises a positioning system and a personnel positioning system, the positioning system comprises a UWB base station, a UWB positioning tag, a POE switch, a personnel positioning server and a monitoring host; the personnel fixing system comprises an AI camera, a passenger flow statistics all-in-one machine, a face comparison server, a three-color alarm lamp, a display screen and a buzzer. According to the invention, the personnel entering the supervision area can be accurately positioned, the movement track of the personnel can be mastered in real time, and supervision of the personnel by the supervisor is facilitated. According to the invention, the situation of personnel overloading in the area is avoided, and the safety in the area is ensured. Unauthorized personnel can be prevented from entering a supervision area, and potential safety hazards caused by entering the supervision area are avoided.

The invention provides a method for determining endogenous hormones in peanut seeds. The method comprises the following steps: grinding the peanut seeds with liquid nitrogen into peanut seed powder and leaching the peanut seed powder twice with methanol; extracting with chloroform for three times, adding crosslinked polyvinylpyrrolidone into an aqueous phase, oscillating to remove phenolic substance and centrifuging; adjusting the pH to be less than 7 with hydrochloric acid, extracting for three times with ethyl acetate, mixing upper ester phases, and carrying out blow-drying with nitrogen to obtain a first residue; adjusting the pH of the lower aqueous phase to be greater than 7, extracting for three times with water-saturated n-butanol, mixing upper oil phases, carrying out blow-drying with nitrogen to obtain a second residue; respectively dissolving the first residue and the second residue in a mixed solution of methanol and water, analyzing by virtue of high-performance liquid chromatography and well separating endogenous hormones through gradient elution of high-performance liquid chromatography. The problems of overlapping of peak pattern, excessive denseness, tailing and the like of chromatogram are avoided and four hormones are extracted under different pH conditions so that various hormones can be extracted to the greatest extent.

The embodiment of the invention discloses a contention adjusting method and device for use in a wireless local area network and a system. The method comprises the following steps: acquiring an air interface occupation time ratio of a station which is in a service proceeding state; and adjusting an uplink data transmission threshold of the station according to the air interface occupation time ratio of the station, wherein the air interface occupation time ratio of the station is a ratio of air interface occupation time of the station to air interface time, and the air interface occupation time of the station is a ratio of a volume of data transmitted by the station to an air interface data transmission rate of the station within the air interface time. Through adoption of the contention adjusting method and device and the system, excessive occupation of stations with weak demands by stations with strong demands can be avoided.

The invention is applicable to the technical field of Raman spectrum detection, and provides a surface enhanced Raman spectrum detection method based on an aggregation restabilization strategy, which comprises the following steps: S1, uniformly mixing colloidal gold with a to-be-detected object; s2, adding an aggregating agent into a system in the S1, and quickly and uniformly mixing, so that the colloidal gold is aggregated to generate a colloidal gold aggregate; s3, adding an acrylamide-methylene bisacrylamide solution into a system in S2, then adding a tetramethylethylenediamine solution and an ammonium persulfate solution, and uniformly mixing; s4, pouring the mixture obtained in S3 into a beaker, and placing the beaker in an incubator until the colloidal gold aggregate SERS detection substrate with stable polyacrylamide hydrogel is formed; and S5, taking out the SERS detection substrate formed in S4, and placing the SERS detection substrate on the surface of the tin foil paper.According to the detection method, the sensitivity of SERS detection is improved, and the stability and uniformity of SERS detection of the gold nanoparticle aggregate are greatly improved.