58results about How to "Reduce crowding" patented technology

The invention discloses an alarm prompting method based on position information, an alarm prompting device based on the position information and alarm prompting equipment based on the position information. The method comprises obtaining the quantity of users within specific areas in a map; according to the quantity of the users, determining the user intensity of the specific areas; according to the user density of the specific areas, giving an alarm to the users. By applying the method, the users can clearly know the distribution of people within the specific areas in the map, and know areas where people are intensive and areas where people are sparse in the map, so as to conveniently implement rational route planning according to the distribution of people; therefore the problems caused by the fact that tourists gather together are reduced, and the routes of the users are greatly facilitated.

The invention relates to a PCI (peripheral component interconnect) pin digital microfluidic chip based on double PCB layers. The PCI pin digital microfluidic chip based on the double PCB layers is characterized by comprising an upper electrode plate, a lower electrode plate and a PCI slot, wherein both the upper electrode plate and the lower electrode plate are PCBs; and gold finger pins are arranged at edges of the upper electrode plate and the lower electrode plate and inserted into the PCI slot. The method comprises the following steps: liquid drops are added dropwise to electrodes on the lower electrode plate, and a liquid column is formed between the upper electrode plate and the lower electrode plate; a control system applies liquid drop driving voltage to electric pins connected with adjacent electrodes of the liquid drops through the PCI slot, and the liquid drops are driven to move to the adjacent electrodes. With adoption of the double-PCB structure, leads are arranged on theback side of the chip, so that interference of electrified leads in movement of the liquid drops is avoided, and occupation of limit front space of the chip by the leads is reduced to the greatest extent, so that density of working electrodes of the digital microfluidic chip is increased greatly.

The invention discloses a designing method of a cylindrical blade with the controllable inlet setting angle. A designing and shape drawing process of a novel cylindrical blade is given. The inlet edge of the novel blade and the blade inlet attack angle at the intersection of a front cover plate and a rear cover plate can both be given. The impact hydraulic loss at the positions of the blade inlet can be reduced through the controllable inlet setting angle, the major reason for the large hydraulic loss of a traditional cylindrical blade is eliminated, and the purpose of increasing the blade energy index is achieved. The anti-cavitation capability of the blade can be improved through the blade structure, and the application range of the cylindrical blade is enlarged. After the blade is used in an impeller with the specific speed reaching 120, a pump can still have high hydraulic efficiency.

The invention provides a digitalized small-size stacked high-retention dental implant operation guide plate and a manufacturing method of the digitalized small-size stacked high-retention dental implant operation guide plate. The method comprises the following steps: acquiring preoperative oral cavity CBCT data of a patient, and reconstructing a model I; acquiring optical scanning data of the surfaces of preoperative teeth and gingiva of a patient, and reconstructing a model II; fitting the model I and the model II, and designing a three-dimensional position of the implant in the tooth-missing area; copying the model II, and generating a model III according to the guide plate in-place channel direction; selecting the surface after undercut filling corresponding to the dentition cheek and the lingual surface in the model III as a surface I; according to the boundary of the surface I, extracting a surface II on the model II; combining the surface I and the surface II to generate a lining model; combining the lining model with the model II to generate an outer sleeve main body model of the guide plate; and finally, carrying out machine shaping. By adopting the scheme, retention can be realized by fully utilizing the undercut of the supporting teeth, so that the stability of the guide plate can be guaranteed while the dentition coverage range of the guide plate is reduced, and the precision and safety of the guide plate for guiding an implantation operation are further improved.

The invention discloses a prefabricated kitchen and a construction and installation method thereof. The prefabricated kitchen comprises a bottom plate unit, four wall surface units and a ceiling unit which are fixedly connected with one another; at least one of the four wall surface units is a full-fabricated structural wall or a semi-fabricated structural wall; the outer side of the semi-fabricated structural wall is provided with concave-convex alternate rough external surfaces; the full-fabricated structural wall is provided with a connection hole extended from the lower part of a wall body into the wall and a grouting hole formed in the wall surface; the connection hole and the grouting hole are communicated to form a grouting channel; the bottom plate unit is used as a part of a structural floor plate; at least one of edges of the bottom plate is provided with a transverse steel bar; and a section of the transverse steel bar horizontally extends outwards and is overlapped and fixed with a steel bar adjacent to the structural floor plate. By the prefabricated kitchen, the wall body of the prefabricated kitchen occupies small space, so that the space can be obviously saved to make indoor space of the prefabricated kitchen relatively wide.

The invention discloses a remote consultation method which comprises the following steps: S1, objects for online report on general conditions of illness are obtained as preliminary consultation persons, and a doctor provides preliminary diagnosis results on line based on the general condition of illness of each preliminary consultation person; S2, preliminary consultation persons whose preliminarydiagnosis results comprise examination items are selected as further consultation objects while the remaining preliminary consultation persons are taken as finished consultation objects; S3, all thefinished consultation objects are notified of corresponding preliminary diagnosis results; S4, appointment time is allocated for each examination item of each further consultation object; S5, all further consultation objects are notified of corresponding preliminary diagnosis results and appointment time of each examination item. According to the method, the finished consultation objects are directly handled online based on the preliminary diagnosis results, crowdedness in hospitals caused by face-to-face consultation can be alleviated, hospital environment can be ensured, pressure exerted ondoctors by face-to-face consultation can be lowered, and time waste of patients waiting at hospitals can be prevented.

The invention discloses an efficient oil well paraffin remover, and belongs to the technical field of oilfield exploitation. Hydrophilic components such as mercaptoethanol are led in and matched to form a water protective film, hydration and lubrication properties of oil paraffin are improved, paraffin dispersion effects are improved, entanglement among a hole structure formed in the preparation process and components such as composite paraffin removal basic materials and composite accessories is achieved, affinity effects on the paraffin in using is improved, and paraffin removal effects areimproved. Added phospholipid has good emulsification functions, so that polar groups in components can extend into the paraffin, phospholipid molecules have more negative charges, local charges can beunbalanced and excluded each other, a blocking structure formed by paraffin accumulation in an oil well is broken, an open area cannot be reduced, an oil pipe cannot be blocked by the paraffin, and dredging effects are improved. The paraffin remover solves the problems that a current frequently-used paraffin remover has low liquidity at low temperature, paraffin remover speed is low, the open area is reduced, and the oil pipe is blocked by the paraffin.

The invention discloses an installation method of a prefabricated toilet, comprising the following steps of: D, leveling a floor (25), and laying a structure floorboard (26) on the edge of the floor (25); E, laying one layer of cement plaster (27) on the floor (25), then laying the prefabricated toilet and tightly clinging the prefabricated toilet to the cement plaster (27); F, from transverse reinforcements (18) extending from a baseboard unit (11) of the prefabricated toilet, building a bottom reinforcing mesh (42) tightly connected with the transverse reinforcements (18) on the structure floorboard (26), then pouring concrete on the bottom reinforcing mesh (42) so that the baseboard unit (11) of the prefabricated toilet is firmly combined with the structure floorboard (26) into a whole; and G, linking at least one wall body unit (12) of the prefabricated toilet with wall body units of adjacent floors in a vertical direction. According to the installation method, space can be saved so that indoor space of the prefabricated toilet is relatively large, and the prefabricated toilet has a firm and stable structure.

The invention discloses a horizontal foam pump. The horizontal foam pump comprises a pump body; the pump body is provided with a suction inlet and a discharge outlet; an impeller is arranged in the pump body, is an open impeller and is provided with 3-5 main blades and 3-5 splitter blades; and each splitter blade is distributed between every two adjacent main blades. The purpose of the invention is to provide the horizontal foam pump which is suitable for conveying high-vapor-content three-phase flow and capable of effectively reducing the blade extrusion phenomenon and the ring current phenomenon in the blades.

The invention relates to the technical field of computers, in particular to a page dynamic display method and device, a mobile terminal and a storage medium. In the page dynamic display method, a display interface of the application program comprises a first display area and a second display area with variable boundary coordinates, the first display area displays a first material, firstly, the application program responds to an operation event of a user on the first material to obtain a second material, and the second material has a resolution different from that of the first material; then, boundary coordinates of the first display area and the second display area are adjusted according to the resolution of the second material, and the first display area with the adjusted boundary coordinates is used for displaying the second material. Visibly, the display area for the material can correspondingly adjust the boundary coordinates of the display area according to the change of the resolution of the material, the page utilization rate is improved, and then the user experience is improved.

The invention discloses remote acousto-optic integrated electronic blessing tables, a blessing system and a blessing method, and belongs to the technical field of blessing equipment and methods. According to the remote acousto-optic integrated electronic blessing tables, the blessing system and the blessing method, safety and environmental protection are realized, remote blessing is realized, andthe blessing effect is realistic. According to the adopted technical scheme, each remote acousto-optic integrated electronic blessing table comprises a table body, an electronic censer, two electroniclamps, a display screen and a control system; each electronic censer is arranged at the center of the corresponding table body, every two electronic lamps are arranged on the corresponding table bodyand located on both sides of the corresponding electronic censer, and each display screen is installed on the end surface of one side of the corresponding table; each electronic censer comprises a censer body and a great deal of electronic incense arranged in the censer body, the electronic incense is in a long-strip shape, and a simulation lamp is arranged at the top of the corresponding electronic incense; and each control system comprises a wireless communication module, a light output module, a display driving module, a power input module and a central processing module.

The invention provides a prawn pond ecological polyculture method. Before water is introduced into the pond, a purse net is arranged at the central region of the pond; after water is introduced into the pond, prawns are bred outside the purse net, then omnivorous fishes are bred inside the purse net, meanwhile, a small amount of carnivorous fishes are bred outside the purse net in a cooperation machine, and finally, shellfishes are bred outside the purse net in a handing manner. A water drainage hole is formed in the bottom of the center of the pond, and in the cultivation process, the pond isaerated by adopting an aerator, and water in the pond rotates around the water drainage hole. According to the method, through the arrangement of the purse net, multispecies of fishes are cultured inpartition in the pond in a mixing manner, the omnivorous fishes in the purse net is beneficial to improve the water quality of the aquaculture pond and can not swim to a prawn culturing area outsidethe purse net to eat prawn feed;a proper amount of the carnivorous fishes are cultured outside the purse net in a mixing manner to eat sick and weak prawns and dead prawns, so that the propagation ofprawn diseases can be prevented and controlled; the shellfishes are cultured in the prawn culturing area in a mixing manner, so that the filter-feeding effect on organic debris and plankton can be enhanced, and further the water can be cleaned; due to polyculture of multispecies of fishes at the different partitions in the same pond, the ecological niche of the water body in the pond can be reasonably utilized, and the overall ecological benefits of culture can be improved.

The invention relates to the field of impellers and discloses a high-lift pump impeller for an electric automobile. The high-lift pump impeller for the electric automobile comprises an impeller body (2) installed in a pump body, the impeller body (2) comprises a panel (3) and blades (4) installed on the panel (3), the blades (4) comprise main blade bodies (41) and auxiliary blade bodies (42), themain blade bodies (41) and the auxiliary blade bodies (42) are circumferentially arranged round the central axis of the panel (3), and the length of the main blade bodies (41) is larger than that of the auxiliary blade bodies (42). According to the high-lift pump impeller for the electric automobile, the two kinds of blade bodies are arranged, so that the flow area between the blades is increased;since bending of the blades is reduced and jamming of the blades is also reduced, the circulation area of the blades is increased; and the inlet flow speed is reduced, so that the anti-cavitation performance of the impeller is improved.

The embodiment of the invention discloses a data writing method and device, a server and a storage medium, and the method comprises the steps of receiving a read-write request sent by a KVM client; judging whether an SSD storage starting condition is met or not according to the parameters; and when an SSD storage starting condition is met, realizing data reading and writing of the CephRBD by utilizing the SSD. The storage performance advantages of the SSD storage device are fully utilized, and good read-write and access performance is provided for a database. In the CephRBD process, the occupation of a memory is reduced, and the occupation of memory resources of the KVMHypervisor is reduced. And the access effect of the KVMHypervisor client side is enhanced. Meanwhile, various access application scenes can be flexibly coped with according to configuration, and the access effect of the Ceph database is improved.

The invention provides an efficient high-lift universal well pump and relates to the technical field of centrifugal submersible pumps. The universal well pump mainly comprises a pump bowl, a pump shaft and an impeller. The impeller comprises long blades, a rear cover plate and a front cover plate provided with a water inlet. Short blades are disposed on the impeller and located at the outer edge of the impeller and between two adjacent long blades. The long blades or the short blades are warped blades. The universal well pump has the advantages the potential of the pump is fully exploited and increased, the single-stage lift of the pump is increased greatly, the performance indexes such as efficiency of the pump are increased at the same time, materials are saved greatly, yield is doubled, cost is lowered greatly, benefits are increased by 5 times, high efficiency and energy conservation are achieved, application range of the pump is increased, and the pump is stable and reliable in operation, long in service life, small in size, lightweight, convenient to produce, sell, transport, mount, use and maintain.

The invention discloses a grinding method applied to the inner surface of an elbow fitting, comprising the following steps: injecting a working medium into the clamped and fixed petroleum elbow, and inserting a grinding head composed of two semicircular spheres and a runner into the elbow , the working medium quickly flows out from the gap between the grinding head and the inner wall of the elbow, and the flowing working medium drives the runner to rotate freely, and the runner sprays part of the working medium onto the pipe wall in rotation, so as to clean the inner wall of the elbow Auxiliary grinding, the working medium acts on the pipe wall, and the corners or protruding parts on the inner wall of the elbow are sheared and removed by the high-speed movement of the abrasive particles. Iron filings cleaning. Through the adjustment of the two semicircular spheres and the runner, the working medium can fully cover all parts of the elbow, reducing the probability of local protrusions on the inner wall of the elbow, so as to achieve the purpose of improving the service life of the oil pipeline.

The invention provides a coal mine underground traffic operation display method and further provides a coal mine underground traffic operation display device. The coal mine underground traffic operation display method comprises the following steps that a positioning base station, a vehicle-mounted terminal, a display terminal and a processor are provided, the vehicle-mounted terminal is in communication connection with the positioning base station, and the display terminal and the positioning base station are in communication connection with the processor; the positioning base station is usedfor determining the positioning of the vehicle-mounted terminal; and the processor displays the position of the vehicle-mounted terminal on the display terminal in real time. The coal mine undergroundtraffic operation display method has the following advantages that coal mine underground vehicle transporting can be monitored and controlled dynamically and timely, and the transport efficiency of underground vehicles is improved.

The invention relates to a building heat insulation component, and discloses an anti-radiation aerogel composite coiled material and an application method thereof in a wall. The anti-radiation aerogel composite coiled material comprises an aerogel felt, wherein the upper surface and the lower surface of the aerogel felt are respectively wrapped with metal foils; and supporting blocks for preventing the aerogel felt from being crushed are uniformly buried in the aerogel felt. According to the anti-radiation aerogel composite coiled material, the metal foils and a flexible adhesive between the metal foils and the aerogel felt jointly play a role in protecting the aerogel felt, so that the aerogel felt is prevented from falling off due to friction / collision, and meanwhile, the tensile strength and the bending strength of the aerogel felt are enhanced, so that the aerogel felt is not easy to damage in the carrying and cutting process; the supporting blocks buried in the aerogel composite coiled material endow the aerogel felt with compressive strength, so that the aerogel felt can be clamped between a building veneer and a building wall and is not crushed, and the aerogel felt can be used for building heat preservation; and the self-weight of the aerogel composite coiled material is extremely small, and the use is hardly limited, so that the heat preservation problem of buildings occupying the absolute majority of stock is thoroughly solved.

The invention discloses a multi-mandrel machining center with a micro-motion compensation function. The machining center comprises a main base, a main stand column, a saddle seat, a workbench and at least two mandrel machining units, wherein the stand column is fixed on the main base, and the mandrel machining units are slidably connected to the stand column; the mandrel machining unit comprises aZ-axis driving device, a mandrel and a unit main body; the mandrel machining unit further comprises a micro-motion compensation mechanism; and the micro-motion compensation mechanism comprises a basebody, a guide rail and a motor, wherein the guide rail is obliquely arranged on the unit main body, the unit main body is slidably connected on the guide rail, and a transmission mechanism is connected between the motor and the unit main body. According to the machining center, fine displacement in the Y-axis direction of each machining point on a workpiece can be subjected to micro-motion compensation, operation can be facilitated, and the working efficiency is improved.

The invention relates to a contact-type ultrasonic fumigation instrument. The instrument comprises a fumigation barrel, two first sealing units, two second sealing units, a locking flapping unit, a heat preservation unit and an ultrasonic generator, the two first sealing units are arranged on the front side and the rear side of the upper end of the fumigation barrel, the two second sealing units are arranged at the left end and the right end of the upper end of the fumigation barrel, the first sealing units and the second sealing units are connected through the locking flapping unit, the heatpreservation unit is arranged in the fumigation barrel, a cavity is formed in the bottom end of the fumigation barrel, and the ultrasonic generator is placed in the cavity. The invention can solve theproblems that: legs of different people have different diameters, after the legs extend into a fumigation basin from round holes in a sealing cover, gaps between the round holes and the legs of a person with thin legs are large, a large amount of steam is likely to leak out, in the ultrasonic fumigation process, the legs and the feet are in a sealed environment, and the legs and the feet cannot be effectively massaged and can only be massaged after fumigation.

The invention discloses a snapshot processing method and system, equipment and a storage medium. The method comprises the steps: building a file name list through the names of all files in a data engine, storing the file name list in a metadata file under a snapshot directory, and recording the log number at the current moment; and when an operation instruction sent by a requester is detected, performing a file deletion operation, a file copying operation or a file recovery operation of the distributed storage system using a consistency algorithm based on a principle that the content of the data engine is kept unchanged before and after the data engine replays the log. According to the method, the system, the equipment and the storage medium, additional operation on the disk is comprehensively removed, the bandwidth occupation of a bottom-layer file system is relatively low, and the occupation of service bandwidth is avoided.

The invention relates to an energy gradient efficient utilization system of a supercritical coal-fired generator set. The energy gradient efficient utilization system is characterized in that air is heated by utilizing superheat degree energy of steam extraction on the side of a steam turbine of the supercritical coal-fired generator set, so that the heat exchange temperature difference between steam and water in a regenerative heater is effectively reduced, and the irreversible loss is reduced; one part of the heated air provides enough oxygen for a boiler to enter a hearth to participate incombustion; and the other part of air can be continuously utilized to heat feedwater and condensed water, so that part of backheating extracted steam extracted from a steam turbine is squeezed, and correspondingly, the squeezed backheating extracted steam returns to the steam turbine to continuously expand and do work, therefore, under the condition that the amount of coal input in the boiler is not changed, the total work of the steam turbine is increased, the power generation capacity is increased, and the power generation efficiency of the unit is improved. And on the other hand, heat absorption of air in a tail flue is reduced on the boiler side, the amount of fuel needed by the boiler side is reduced, and the purposes of energy conservation and emission reduction are achieved. The energy gradient efficient utilization system is reasonable in structure, high in applicability and good in effect.

The invention provides an ecological polyculture method for prawn ponds. Before the pond is filled with water, a fence is set in the central area of ​​the pond; At the same time, a small amount of carnivorous fish is raised outside the seine, and finally the shellfish is suspended outside the seine; a drain is set at the bottom of the center of the pond, and an aerator is used to increase oxygen in the pond during the breeding process and make the pool water flow along the drain. Center rotation. In the present invention, polyculture of multi-variety ponds is carried out by setting up seine nets, and omnivorous fish in the seine nets help to improve the water quality of the cultured ponds, and cannot go to the shrimp breeding area outside the seine nets to grab shrimp feed; polyculture outside the seine nets An appropriate amount of carnivorous fish can feed on sick and dead shrimp to prevent and control the spread of shrimp diseases; in the shrimp farming area, shellfish can be mixed to enhance the filtering effect on organic debris and plankton, and further clean the water quality; multi-species in the same pond Partitioned polyculture can rationally utilize the ecological niche of the pond water body and improve the overall economic benefits of farming.

The multi-spindle machining center with the micro-motion compensation function comprises a main base, a main stand column, a saddle, a workbench and at least two spindle machining units, the main stand column is fixed to the main base, the spindle machining units are connected to the main stand column in a sliding mode, and each spindle machining unit comprises a Z-axis driving device, a spindle and a unit body; the spindle machining unit further comprises a micro-motion compensation mechanism, the micro-motion compensation mechanism comprises a base body, a guide rail and a motor, the guide rail is obliquely arranged on the unit body, the unit body is slidably connected to the guide rail, and a transmission mechanism is connected between the motor and the unit body. According to the invention, fine displacement of each processing point on the workpiece in the Y-axis direction can be subjected to micro-motion compensation, the operation is convenient, and the working efficiency is improved.

The invention relates to a PCI (peripheral component interconnect) pin digital microfluidic chip based on double PCB layers. The PCI pin digital microfluidic chip based on the double PCB layers is characterized by comprising an upper electrode plate, a lower electrode plate and a PCI slot, wherein both the upper electrode plate and the lower electrode plate are PCBs; and gold finger pins are arranged at edges of the upper electrode plate and the lower electrode plate and inserted into the PCI slot. The method comprises the following steps: liquid drops are added dropwise to electrodes on the lower electrode plate, and a liquid column is formed between the upper electrode plate and the lower electrode plate; a control system applies liquid drop driving voltage to electric pins connected with adjacent electrodes of the liquid drops through the PCI slot, and the liquid drops are driven to move to the adjacent electrodes. With adoption of the double-PCB structure, leads are arranged on theback side of the chip, so that interference of electrified leads in movement of the liquid drops is avoided, and occupation of limit front space of the chip by the leads is reduced to the greatest extent, so that density of working electrodes of the digital microfluidic chip is increased greatly.