摄像机

直播摄像机

遮阳伞扶手壳（一）

自動ソープディスペンサー

Disk filter scraper device with adjustable

... 一种可调节的盘式过滤机刮刀装置，包括刀体和刀座，刀座一端固定设置在料浆槽槽体上，另一端朝向该料浆槽内转动的扇形板倾斜形成用于安装刀体的安装部，并在安装部上沿其倾斜方向开设长孔，所述刀体上开设安装孔，由螺栓将刀体安装在安装部的长孔上，并通过螺栓带动刀体沿长孔移动，以调整刀体和扇形板之间的距离。本实用新型通过刀体和刀座分体式设计，使其能够根据实际情况调整刀体和扇形板之间的距离，进而解决刮刀在安装以及使用过程中出现的问题。 ...

Method for calculating capacitance rise voltage error of transformer in withstand voltage test of live working tool

The invention belongs to the technical field of electric energy quality, and particularly relates to a hot-line work tool withstand voltage test transformer capacitance rising voltage error calculation method, which comprises a test transformer, a transformer equivalent inductor, a transformer equivalent resistor and a capacitor, the capacitor is connected with the transformer equivalent inductor in series, and the transformer equivalent inductor, the transformer equivalent resistor and the capacitor are connected with the test transformer in parallel. Calculating equivalent resistance of the transformer; calculating voltages at two ends of the capacitor; calculating the capacitance if the relative error allowable value of the capacitance rising voltage of the capacitor is not greater than a set value; and applying the equation to an actual voltage withstand test of the 10kV hot-line work tool to obtain the transformer capacitance rise voltage error of the voltage withstand test of the ...

Transfer system and method, display panel and manufacturing method thereof

The invention relates to a transfer system and method, a display panel and a manufacturing method of the display panel. The transfer system comprises a chamber containing suspension liquid; a plurality of receiving grooves are formed in the surface of the receiving substrate at intervals; a first magnetic layer is arranged on at least part of the surface of the light-emitting device; a second magnetic layer is arranged between every two adjacent receiving grooves, and the magnetism of the second magnetic layer is the same as that of the first magnetic layer; the suspension liquid is configured to flow along the extending direction parallel to the receiving substrate, so that the light-emitting devices dispersed in the suspension liquid fall into the corresponding receiving grooves; when the light-emitting device moves to a position close to a middle area between adjacent receiving grooves on the receiving substrate along with flowing of the suspension liquid, the light-emitting device can ...

Fast-cutting mammary gland biopsy excision coagulator

The invention relates to the technical field of medical instruments, and particularly discloses a quick-cutting mammary gland biopsy resection coagulator which comprises a resection device body, the resection device body comprises a tool bit, a sampling barrel communicated with a vacuum negative pressure system and a cutting pipe, and a connector is connected between the resection device body and the vacuum negative pressure system. Cleaning cloth covering the inner side wall of the sampling barrel is arranged in the sampling barrel, an opening communicated with the sampling barrel and a vacuum negative pressure system is formed in the cleaning cloth, and a fixing mechanism for fixing the cleaning cloth is arranged on the sampling barrel. The cutter body further comprises a driving mechanism used for driving the cutting pipe to move in the axial direction of the cutting pipe, and a limiting piece used for limiting the cutting pipe to only slide in the axial direction of the cutting pipe ...

Denoising method for Fourier lamination imaging

The invention relates to the technical field of Fourier laminated imaging, and provides a denoising method for Fourier laminated imaging, which is mainly used for optimizing an objective function expression of Fourier laminated imaging, introducing an L2 normal form into the objective function expression to reduce the influence of noise, and deriving the optimized objective function expression to obtain a high-resolution frequency spectrum of a target. And carrying out inverse Fourier transform on the high-resolution frequency spectrum to an airspace to obtain a large-view-field high-resolution complex image of the target. Compared with the traditional Fourier lamination imaging method, the method provided by the invention can be used for obtaining a reconstructed image with higher quality under the same noise condition, and the noise can be effectively suppressed.

Internet of Things intelligent gateway with edge computing function

The invention relates to the technical field of internet-of-things intelligent gateways, in particular to an internet-of-things intelligent gateway with an edge computing function, which comprises an internet-of-things gateway DL-D24, a 5G communication platform, a cloud platform and a central control monitoring platform, the 5G communication platform is in communication connection with the internet-of-things gateway DL-D24, the cloud platform is in communication connection with the 5G communication platform, and the central control monitoring platform is in communication connection with the internet-of-things gateway DL-D24. The central control monitoring platform is in communication connection with the cloud platform; and the cloud platform is in communication connection with the data large screen and the mobile terminal. The method and the device have the effects of reducing response time delay, relieving cloud pressure and reducing bandwidth cost.

Hydraulic spindle with trimming function

The invention provides a hydraulic main shaft with a finishing function. The hydraulic spindle with the finishing function comprises a motor, an iron core driven by the motor to rotate, a hydraulic shaft head connected with the iron core, a chuck used for clamping a workpiece, a transfer flange used for connecting the chuck and the iron core, a finishing sleeve fixed to the transfer flange and arranged around the chuck, and a finishing roller. The finishing roller is fixed to the end, away from the transfer flange, of the finishing sleeve. According to the hydraulic spindle with the finishing function, the finishing roller is integrated on the finishing sleeve, so that the machining of a workpiece and the finishing of a grinding wheel can be realized by using one set of motor, the space needing to be additionally provided is reduced, the cost generated by an additional device is also reduced, the moving distance is reduced after integration, and the working efficiency is improved. In addition ...

Communication transmission equipment maintenance management method and system based on EPON

The invention relates to the technical field of communication equipment detection, and provides a communication transmission equipment maintenance management method and system based on an EPON (Ethernet Passive Optical Network). Data of communication transmission equipment are collected through the EPON technology and input into the multi-logic-layer equipment fault analysis model to obtain a fault type analysis result, and a fault maintenance management strategy is generated based on the transmission environment data and the fault type analysis result. And matching an equipment maintenance scheduling task according to the equipment type information, the equipment layout position information and the fault maintenance management strategy, and performing fault maintenance of the communication transmission equipment based on the equipment maintenance scheduling task. The technical problem that in the prior art, due to the fact that fault diagnosis timeliness and fault diagnosis accuracy of ...

Multi-encryption method and device based on biological characteristics, equipment and storage medium

The invention relates to the field of data processing, and discloses a multi-encryption method and device based on biological characteristics, equipment and a storage medium. The method comprises the steps that when a palm is detected in a preset area, skeleton information, palm print information, fingerprint information and palm center temperature of the palm are extracted; generating a key pair according to the skeleton information; performing encryption processing on preset data according to the key pair to obtain first encrypted data; performing transposition encryption on the first encrypted data according to the palm print information and the fingerprint information to obtain second encrypted data; and performing biological feature authentication on the operation authority of the second encrypted data according to the palm center temperature to obtain target data. According to the invention, the security of the equipment data is improved.

Transformer capacity measurement uncertainty evaluation method

The invention discloses a transformer capacity measurement uncertainty evaluation method. The method comprises the following steps: S1, establishing a mathematical model for transformer capacity measurement; s2, calculating each component of the transformer capacity uncertainty according to the mathematical model; s3, calculating the synthetic standard uncertainty of the transformer capacity according to each component of the transformer capacity uncertainty obtained by calculation; and S4, calculating the expansion uncertainty of the transformer short-circuit impedance measurement result according to the synthesis standard uncertainty of the transformer capacity. According to the method, the influence of each uncertainty component on the transformer capacity measurement uncertainty evaluation result is determined, and the method has important significance for further improving the accuracy of the transformer capacity measurement uncertainty evaluation result.

Flight management method and system based on dynamic characteristics of pentagonal wind field

The invention discloses a flight management method and system based on pentagonal wind field dynamic characteristics, and the method comprises the steps: obtaining the flight data of a plurality of aircrafts in a pentagonal approaching process within a preset time period, calculating the wind speed profile of each aircraft, and forming an average wind speed profile within the preset time period according to the wind speed profiles of the aircrafts; and predicting a target wind speed profile of a target aircraft entering the current pentagonal wind field based on the average wind speed profile, optimizing pentagonal flight feature calculation of the target aircraft according to the target wind speed profile, and performing flight management on the target aircraft. The wind speed profile is continuously generated by utilizing the dynamic data of the wind field and can be used for researching the pentagonal wind field; according to the wind field dynamic data, the flight characteristics of ...

QOS MANAGEMENT METHOD AND APPARATUS FOR SRBS

The present disclosure pertains to the technical field of communications and provides a QoS management method and apparatus for SRBs. The method comprises: after an RRC connection is established to user equipment, sending a first initial direct-transfer message to an MME; the MME sending a first user subscription information request to an HSS; the HSS returning a priority identifier corresponding to a user equipment identifier, the priority identifier indicating a priority of the user equipment; and a base station performing, according to the priority identifier, scheduling processing on messages that carry the priority identifier and that are sent by the user equipment using SRBs. The present disclosure provides a QoS management mechanism based on a priority identifier, allowing for provision of a priority identifier for user equipment after the user equipment completes initial access attachment, such that a base station can subsequently perform, according to the priority identifier, scheduling ...

COMMUNICATION INTERFERENCE MEASUREMENT METHOD, DEVICE AND SYSTEM

The present invention discloses a communications interference measurement method, device and system, said method comprising: a first category of network node separates an amount of time-frequency resources on a main system idle frequency spectrum; indication information is generated and sent in accordance with the time-frequency resources; measurement results are received.

DISTRIBUTED NETWORK MESSAGE PROCESSING METHOD AND NODE

Disclosed are a distributed network message processing method and node. The method comprises: receiving a subscription message; extracting from the subscription message a node identifier of each historical node on a path of the subscription message; when returning a content message matching the subscription message, according to the node identifiers, determining whether neighbouring nodes also include another historical node other than a previous historical node of the subscription message; if yes, directly returning the content message to the other historical node. The present invention reduces data transmission overheads.

ADDRESS UPDATE METHOD FOR PORTS OF SWITCHING NODE, AND SWITCHING NODE IN ETHERNET RING NETWORK

An address update method for ports of switching node in Ethernet ring network is provided by the invention. The method includes: when an Ethernet ring network link is blocked, the two switching nodes at the both ends of the block link periodically send address update messages in the directions away from the block link respectively, the address update messages include media access control (MAC) address lists of the specific switching nodes, and the specific switching nodes are the switching nodes whose MAC address information is included in the address forwarding tables, wherein the tables are learned in special virtual local area network (VLAN) by the ports of the switching nodes generating the address update messages connected to the block link (401); after receiving the address update messages, the switching node judges whether its own MAC address exists in the MAC address lists of the specific switching nodes, and deletes all address forwarding items associated with the ports receiving ...

METHOD AND SYSTEM FOR ACQUIRING MBMS DYNAMIC SCHEDULING INFORMATION

The invention provides a method and a system for acquiring multimedia broadcast multicast service (MBMS) dynamic scheduling information. Network side configures allocation information of multicast subframe, a schedule block in which includes MBMS dynamic scheduling information of the next schedule period, so the user equipment can acquire MBMS scheduling information of current schedule period in the previous adjacent schedule period. The invention avoids temporary loss of dynamic scheduling information in the user equipment led by delay generated by hardware apparatus and terminal decoding data, increases accuracy of the user equipment to receive MBMS service, and saves power consumption of the user equipment. Furthermore, when the schedule block also includes MBMS dynamic scheduling information of the current schedule period, correctness of the user equipment to acquire dynamic scheduling information is improved, and accuracy and reliability of the user equipment to receive MBMS service ...

METHOD, APPARATUS AND SYSTEM FOR ACTIVATION CONTROL

Disclosed in the present invention are a method, apparatus and system for activation control, the method comprising: an eNB obtains multiple counting results of services to be counted, the multiple services to be counted belonging to one or more Multicast Broadcast Single Frequency Network (MBSFN) areas to which the eNB belongs; the eNB uses the counting results to generate one or more reports, each report of the multiple reports including: the counting results of the multiple services to be counted within an MBSFN area to which the eNB belongs. By means of the present invention, the accuracy of MBMS service activation control is improved.

METHOD AND SYSTEM FOR TRANSMITTING MBMS CONTROL INFORMATION IN MULTICARRIER AGGREGATION SYSTEM

Disclosed in an embodiment of the present invention are a method and system for transmitting MBMS control information in a multicarrier aggregation system, the method comprising: when transmitting an MBMS, a network side determines CCs as a CC bearing the MBMS and a CC bearing no MBMS; transmitting the service control information of the MBMS and service data in the CC bearing the MBMS; the method also comprising: the network side transmits the related MBMS control information of the CC bearing the MBMS in the CC bearing no MBMS. The technical solution provided by the embodiment of the present invention enables a UE working or residing in the CC bearing no MBMS to timely and accurately discover the initiation of an interested MBMS session in the CC bearing the MBMS, thereby avoiding the UE working or residing in the CC bearing no MBMS blindly gathering in the CC bearing the MBMS prematurely, thus effectively reducing the duration of the impact on the random uplink access in the CC bearing ...

FAT PROCESSING APPARATUS

A fat processing apparatus, comprising a cleaning module and a crushing module. The cleaning module comprises a cleaning means and a liquid reservoir; the cleaning means can clean fat in the liquid reservoir by using a cleaning solution, and after cleaning, the liquid reservoir is placed still for layering; the layers comprise a fat layer and a cleaning solution layer; the liquid reservoir is connected to a fat input tube (6), a cleaning solution input tube (7), a fat output tube (8), and a waste liquid tube (9); the fat enters the liquid reservoir through the fat input tube (6); the cleaning solution enters the liquid reservoir through the cleaning solution input tube (7); the cleaning solution layer is discharged by the waste liquid tube (9); the liquid reservoir transfers, by means of the fat output tube (8), the fat layer to the crushing module for crushing. The apparatus can clean extracted fat and crush the cleaned fat to obtain fat particles having excellent particle size distribution ...

三棱螺旋随钻测量钻杆

移动电源

广角小弯头撬钩

篮球收纳箱

户外灯(C3037-GB)

Vehicle monitoring data processing method

The invention provides a vehicle monitoring data processing method, and belongs to the technical field of monitoring data cleaning, and the method comprises the following steps: obtaining monitoring data of a commercial vehicle at each collection moment, the types of the monitoring data being various; extracting different types of target monitoring data sets with a coupling relationship from the monitoring data; for the target monitoring data of the specified type, constructing a filtering function according to the distance between the target monitoring data of other types; wherein the other types are types except the specified type in the target monitoring data set; filtering the target monitoring data of the specified type by adopting the filtering function; according to the method, the relationship between data of mutually associated parameter types can be comprehensively considered, relevance filtering is adopted, the actual running condition of the vehicle is reflected, real monitoring ...

Powdery air entraining agent for gypsum mortar and synthesis method of powdery air entraining agent

The invention belongs to the technical field of air entraining agents, and particularly relates to a powdery air entraining agent for gypsum mortar and a synthesis method of the powdery air entraining agent. The powdery air entraining agent comprises the following components: a liquid air entraining agent, an anti-caking agent and an anti-sticking agent; the liquid air entraining agent comprises the following components: a foaming agent, a stabilizing agent, a dispersing and leveling agent, a wetting agent, a rheology modifier, a calcium and magnesium ion complexing agent and water, the powdery air entraining agent can effectively solve the problem of application in gypsum mortar, can show excellent foaming performance under the condition of high calcium ion concentration, is high in hard water resistance, reduces the surface tension of water, shows excellent foam stability, is fine and smooth in foam and is not easy to break, and the air entraining agent can be applied to gypsum mortar ...

In-furnace heat preservation structure and sintering furnace special for silicon carbide bulletproof ceramic

According to the in-furnace heat preservation structure and the sintering furnace special for the silicon carbide bulletproof ceramic, a seamless heat preservation layer is arranged in a concave frame, the four corners of the seamless heat preservation layer abut against abutting pieces, an inner supporting bottom plate is arranged at the bottom of the inner side of the seamless heat preservation layer, and two inner supporting side plates are arranged on the two sides of the inner side of the seamless heat preservation layer; the inner support top plate is arranged between the inner support side plate and the top of the inner side of the seamless heat preservation layer, the inner support of the supporting inner frame abuts against the interior of the seamless heat preservation layer and is tightly attached to the surface of the inner side of the seamless heat preservation layer, and the seamless heat preservation layer is clamped and shaped between the supporting outer frame and the supporting ...

Early fault diagnosis method for rolling bearing based on time-shifting multi-scale incremental entropy

The invention discloses a rolling bearing early fault diagnosis method based on time-shifting multi-scale incremental entropy, and relates to the technical field of mechanical fault diagnosis. Comprising the steps of collecting vibration signals of a fault object and a normal object; calculating a time-shifting multi-scale increment entropy of the vibration signal to obtain a high-dimensional feature data set of the vibration signal; performing dimension reduction processing on the high-dimensional feature data set to obtain low-dimensional feature information; and constructing a random configuration network SCN, and inputting the low-dimensional feature information into the random configuration network SCN for fault identification. The method has the advantages that the stability of fault signal recognition under different load conditions is improved through TSMICE, meanwhile, t-SNE is adopted for dimensionality reduction to effectively distinguish different fault features, and finally ...

Chinese character generation method and device and computer equipment

The invention relates to a Chinese character generation method and device, computer equipment and a storage medium. The method comprises the steps of obtaining more than one component and at least one body structure corresponding to a to-be-generated Chinese character; generating a multi-way tree corresponding to the to-be-generated Chinese character based on the component and the shape structure; leaf nodes of the multi-way tree correspond to all the components, and non-leaf nodes correspond to all the body structures; determining at least one multi-tuple in the multi-way tree based on the father-son relationship among the nodes in the multi-way tree; each multi-element group comprises a father node and at least two child nodes; according to a direction from a leaf node to a root node of the multi-way tree, traversing the multi-element groups in sequence, and carrying out coding processing based on the traversed multi-element groups until the root node is reached, so as to obtain Chinese ...

METHOD AND DEVICE FOR DETERMINING WIND SPEED

A method for determining wind speed, comprising: determining a projection region formed by the intersection of wake flow formed by incoming flow behind an impeller of a wind turbine and a sweep plane of the impeller of a downstream wind turbine (120); determining a sweep region formed by the impeller on the sweep plane (130); determining the wind speed in an overlapping region between the projection region formed by the interaction of the wake flow and the sweep plane and the sweep region, and determining the wind speed as the wind speed at the downstream wind turbine (140). Also discloses is a device for determining wind speed.

PLANETARY PIPE ROLLING MILL AND PLANETARY ROLLING METHOD FOR COPPER ALLOY PIPE

A planetary pipe rolling mill includes a feeding mechanism for feeding hollow casting blank, a planetary main machine (1) for rolling the hollow casting blank within which a roller group (11) and a rolling-die quick-cooling mechanism are provided, an inducing preheating mechanism (2) provided between the outlet of the feeding mechanism and the inlet of the planetary main machine (1) for preheating the hollow casting blank, and an inducing soaking mechanism (3) and a slow-cooling mechanism (4) provided at the outlet of the planetary main machine (1) in this order. The pipe having been rolled and quickly cooled is again heated by the inducing soaking mechanism (3) and slowly cooled by the slow-cooling mechanism (4). A planetary rolling method for copper alloy pipe comprises the following steps: machining the hollow casting blank, preheating the hollow casting blank by the inducing preheating mechanism (2), rolling the hollow casting blank by the planetary main machine (1), quickly cooling ...

MANUFACTURING METHOD OF NONSTITCH JEANS

A manufacturing method of nonstitch jeans comprises the following steps: (1) washing a fabric after inspecting, laying out, and spreading the same; (2) cutting the washed fabric into pieces of fabric having desired shapes and sizes; performing specific manual processes for jeans such as whiskering, hand sanding, grinding, embroidering and printing, and incorporating design patterns; (3) joining, in which an adhesive agent is applied to joining edges of two pieces of fabric within a width range of 2-15 mm, the adhesive agent is a composition of a hot-melt adhesive and a silicone hydrogel, the hot-melt adhesive is selected from PU or TPU, the two pieces of fabric are joined together, a flat heat press or laser radiation is employed to cure the adhesive agent, and the two pieces of fabric are bonded after cooling. Jeans manufactured using the above method have a precision of 0.1 mm, favorable smoothness, no obvious seams, an attractive appearance, and favorable wash fastness. The jeans are ...

METHOD AND SYSTEM FOR COUNTING PROCESS OF MULTIMEDIA BROADCAST MULTICAST SERVICE (MBMS)

Disclosed in the present invention are a method and system for counting process of multimedia broadcast multicast service (MBMS). The method comprises: a Multicast Coordination Entity (MCE) or an evolved Node B (eNB) groups the MBMS to be counted on a Multicast Control Channel (MCCH) in a MBMS counting request message, and the number of the MBMS to be counted in each group is less than or equal to the preset threshold, wherein the preset threshold is the maximal number of the MBMS which can be configured by an Interface Uu counting request message; and the eNB initiates a Uu counting process of the MBMS group by group according to the preset sequence. By the present invention, the effect, to enable each eNB to initiate the Uu counting process of the MBMS synchronously, is reached.

SUBSTITUTED PYRIMIDINE COMPOUND AND USES THEREOF

Disclosed is a substituted pyrimidine compound having a structure as represented by formula PY. See the description for the definition of each substituent in the formula. The compound of the present invention provides broad-spectrum bactericidal, pesticidal, and acaricidal activities, provides great control effects against plant diseases such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, and cucumber gray mold, specifically provides improved control effects against cucumber downy mildew, corn rust, wheat powdery mildew, and rice blast, provides great control effects against aphid, carmine spider mite, diamondback moth, and armyworm, and acquires great effects at a minimal dosage. The compound of the present invention also provides characteristics such as a simplified preparation method.

METHOD AND APPARATUS FOR SENDING THE INFORMATION ABOUT CHANNEL STATE INFORMATION-REFERENCE SIGNAL, AND USER EQUIPMENT THEREIN

The present invention provides a method and an apparatus for sending the information about Channel State Information-Reference Signal (CSI-RS), and a user equipment therein. The method includes that a network side attaches the information about CSI-RS to the system message of a cell (S302), and the user equipment obtains the information about the CSI-RS from the system message (S304), wherein, the information about the CSI-RS includes at least one of the followings: the sending period of the CSI-RS, the number of the ports for the CSI-RS and the sending position parameters of the CSI-RS. The present invention ensures that all the user equipments in the cell can receive the information about the CSI-RS.

METHOD AND DEVICE FOR CHANGING REGISTRATION STATE OF USER OF INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM

A method and device for changing registration states of a user of an internet protocol multimedia subsystem. The method includes: a serving call session control function (S-CSCF) transmits a server assignment request (SAR) message to the home subscriber server (HSS) after receiving a user registration state changing request; when a private user identity (PVI) is not included in the SAR message, the HSS changes the registration states of all PVI of the user according to server assignment type field in the SAR message; the HSS determines whether registration states of all PVI of the user are changed successfully , if yes, a successful public user identity (PUI) change-server assignment answer (SAA) message is returned to the S-CSCF, otherwise, a transaction operation is performed and an unsuccessful PUI change-SAA message is returned to the S-CSCF.

COMMUNICATION METHOD IN DISTRIBUTED NETWORK, NODE, AND SYSTEM

Disclosed are a communication method in a distributed network, a node, and a system. The method comprises: a cluster head node determines whether a target node of data to be sent is a neighbor cluster head node; if yes, search for a cluster member node associated with the target node; send the data to be sent to the associated cluster member node with first transmit power to forward the data to be sent to the target node by means of the associated cluster member node, wherein the first transmit power satisfies that the cluster head node communicates with all cluster member nodes thereof but does not satisfy that the cluster head node communicates with all neighbor cluster head nodes. By means of the method, the communication between a cluster head node and inter-cluster nodes can be ensured and the energy loss of inter-cluster communication can be reduced.

HOT-BENDING X90 STRUCTURE AND PERFORMANCE EVALUATION METHOD

A hot-bending X90 structure and performance evaluation method, using OM, SEM, EBSD, TEM and other methods, combined with tensile, impact, hardness and other experiments, observing the change of the microstructure and mechanical properties of an X90 welding seam under different heat treatment conditions, determining a suitable hot-bending heating method; The resulting precipitate has a size of about 18.34 to70.29 nm. The yield strength and tensile strength of the X90 come up to 748 Mpa and 847 MPa respectively, the elongation is 18.5%, the yield ratio is 0.88, the average value of Charpy impact energy at -10°C is 212.7 J, and the average shearing area is about 85%, showing good strength and toughness. The whole local induction heating method can improve the toughness of the X90 welded joint, and the HAZ low temperature impact energy is increased by about 50 J.

WIRELESS ACCESS METHOD

Provided is a wireless access method, characterized by being used for controlling at least one mobile terminal to access at least one wireless access point by means of a wireless controller. The wireless access method comprises: a wireless access point sending a priority query request to a wireless controller; the wireless controller receiving the priority query request, generating a priority identifier, and sending the priority identifier to the wireless access point, wherein the priority identifier is used for indicating a priority of the access of the wireless access point to a mobile terminal; the wireless access point receiving the priority identifier, and sending the priority identifier to the mobile terminal within a wireless coverage range of the wireless access point; and the mobile terminal receiving the priority identifier, and selecting, according to the priority identifier, the wireless access point to establish a connection. According to the present invention, a mobile terminal ...

杯盖（1）

汽车侧裙饰板

杯盖（2）

汽车侧裙饰板

汽车侧裙饰板

直角平撬钩

户外灯(C3037-GC)

Hydraulic engineering multibuchet advection formula sedimentation tank

... 本实用新型提供一种水利工程多斗平流式沉淀池，属于水利工程技术领域，其结构包括进水槽、沉淀池和出水槽，进水槽的一侧设置有溢流堰，溢流堰的一侧设置有溢流渠，溢流渠的一侧设置有沉淀池，沉淀池设置有单排并列设置的两个到六个数量的圆锥锥底，每一个圆锥锥底设置有排泥口，排泥口内密封设置有排泥管，排泥管向上延伸到圆锥锥底内腔，排泥管的顶端设置有三脚架锥底刮泥刀。该水利工程多斗平流式沉淀池利用在圆锥锥底内设置三脚架锥底刮泥刀，利用三脚架锥底刮泥刀的人工旋转，来对圆锥锥底的淤泥进行外部清理，此时无需中断平流操作，持续注水，做到连续操作净水，且间歇操作排泥，处理效率高，设备维护简单，有效降低处理成本。 ...

Lower cover of interior box of camera

... 本实用新型涉及照相机技术领域，具体地说是一种照相机的内盒的下盖。该照相机的内盒的下盖与上盖相配合，包括本体，所述本体呈一面敞口的盒状，所述上盖覆盖于所述本体的开口处，所述本体底部的内表面上设有第一凸台，所述第一凸台的上表面上设有一个方形凹槽和一个矩形凹槽，所述本体的内侧壁上设有四个凸块，每个凸块上设有第一螺钉孔，所述上盖的相对应位置处设有四个第二螺钉孔，通过螺钉将上盖与本体相连接，四个凸块的其中三个凸块上位于所述第一螺钉孔一侧各设有一个第一导向孔，所述本体底部的内表面上与所述第一凸台相对的一侧设有一个第二凸台，所述第二凸台上设有第三螺钉孔，所述本体的其中一个外侧壁上设有一个开槽。 ...

Quick machining tool for pitched roof chamfer

The rapid machining tool for the inclined top chamfer comprises a machining base body, a strip-shaped cavity is formed in the machining base body, inserting openings matched and communicated with the end of the strip-shaped cavity are formed in the left side wall and the right side wall of the machining base body, and the inserting openings and the strip-shaped cavity form inserting guide grooves. The top surface of the processing seat body is provided with a plurality of extending ports which are used for allowing the right-angle sides of the inclined tops in the strip-shaped cavities to directly extend upwards at the positions of the inserting guide grooves, the calibers of the extending ports are smaller than the inner diameters of the strip-shaped cavities, and the inserting guide grooves are arranged at intervals in the front-back direction of the processing seat body; and each insertion guide groove falls into the grinding range of the grinding wheel on the grinding machine, and an ...

Detachable foundation slab

The invention belongs to the technical field of overhead transmission line crossing frame foundation construction, and particularly relates to a detachable foundation bottom plate which comprises a foundation upper bottom plate, a foundation lower bottom plate, internal rib plates, side sealing plates and connecting sleeves. The foundation upper bottom plate is of an integral structure, and hole sites at different positions are formed in the foundation upper bottom plate; the foundation lower bottom plate is of a partitioned structure, hole sites at different positions are also formed in the foundation lower bottom plate, the hole sites in the foundation upper bottom plate correspond to the hole sites in the foundation lower bottom plate, and the foundation inner rib plates are also in a partitioned welding mode and connected between the foundation upper bottom plate and the foundation lower bottom plate. The side sealing plates are welded around the foundation upper bottom plate and the ...

Hot press molding device

The invention discloses a hot press molding device, and relates to the technical field of hot press molding. The hot press molding device comprises a rack, a fixed mold base, a movable mold base, a lifting piece, a first electromagnetic heating coil, a second electromagnetic heating coil and a telescopic mechanism. The lifting part is installed on the rack and connected with the movable mold base, the telescopic mechanism is installed on the rack and connected with the first electromagnetic heating coil and the second electromagnetic heating coil, and the first electromagnetic heating coil and the second electromagnetic heating coil are arranged in parallel at intervals. And the telescopic mechanism is used for driving the first electromagnetic heating coil and the second electromagnetic heating coil to extend between the movable mold base and the fixed mold base during mold opening, so that the first electromagnetic heating coil performs electromagnetic induction heating on the movable ...

Aqueous zinc ion battery electrolyte, method for inhibiting zinc dendrites and battery

The invention belongs to the technical field of aqueous zinc ion batteries, and discloses an aqueous zinc ion battery electrolyte, a method for inhibiting zinc dendrites and a battery, the aqueous electrolyte is composed of an indium sulfate additive, soluble zinc sulfate and deionized water, and the additive and soluble zinc salt have the same anions. The complex electrolyte components and the viscosity increase cannot be caused; the concentration of the indium sulfate is 0.01-0.1 mol L <-1 >, and the concentration of the zinc sulfate is 1-2 mol L <-1 >. The additive can be adsorbed on the surface of zinc metal to form a protective layer in the zinc metal deposition process, zinc ions are induced to be uniformly deposited/dissolved, zinc dendrites are effectively inhibited, and the number of stable working cycles of a zinc metal electrode is increased to 2500. The aqueous zinc ion battery electrolyte provided by the invention has the advantages of simple preparation method and low cost ...

Impact testing device for artificial solid surface material

The invention discloses an artificial solid plane material impact testing device, and relates to the field of impact testing. The artificial solid plane material impact testing device comprises a buffer frame which is vertically arranged on the whole, four supporting columns are arranged on the end face in an extending mode, connecting pieces used for being connected with a wall are arranged on the supporting columns, and a plurality of mounting grooves and a plurality of adjusting grooves are formed in the buffer frame; the supporting column is adjustably arranged in the buffer frame, the end of the supporting column extends outwards from the mounting groove, and the end of the supporting column is fixed to the buffer frame; the fixing assemblies are adjustably arranged in the buffer frame, and the fixing assemblies are arranged on the two sides of the supporting column; and by adjusting the positions of the supporting column and the fixing assembly, a plane material can be fixedly arranged ...

Traditional Chinese medicine composition for treating verruca plana, traditional Chinese medicine preparation and application thereof

The invention provides a traditional Chinese medicine composition for treating verruca plana, a traditional Chinese medicine preparation and application thereof. The traditional Chinese medicine composition comprises polygonum cuspidatum, oldenlandia diffusa, oyster, radix isatidis, lithospermum erythrorhizon, safflower carthamus, curcuma zedoary, curcuma aromatica and liquorice. The traditional Chinese medicine formula has the advantages that the traditional Chinese medicines are few in medicines, are all common traditional Chinese medicines, are easy to obtain and low in price, can effectively reduce the treatment cost of patients, are arranged in a proper manner and supplement one another, and have the advantages of thorough treatment of flat warts, no relapse, remarkable treatment effect, no obvious adverse reaction and the like, and the traditional Chinese medicine formula is worthy of popularization and application. The traditional Chinese medicine is especially suitable for patients ...

Brass alloy and preparation method thereof

The invention discloses a brass alloy which is characterized by comprising the following components in percentage by mass: 60 to 63.0 weight percent of Cu, 5.2 to 7.0 weight percent of Al, 2.6 to 4.0 weight percent of Fe, 2.7 to 4.8 weight percent of Mn and the balance of Zn and inevitable impurities, the phase structure of the brass alloy comprises a matrix phase beta and a second phase, the second phase comprises a strengthening phase and a hard wear-resistant phase, the strengthening phase comprises Fe3Al and FeAl, the hard wear-resistant phase comprises FeMn5Al2, the area ratio of the strengthening phase is 4-10%, and the area ratio of the hard wear-resistant phase is 12-20%. And finally, excellent high-strength wear resistance is achieved, the tensile strength is 800-900 MPa, the ductility is 12-20%, the hardness HB is 270-300, and the friction coefficient mu is smaller than or equal to 0.06.

FPGA-based OSD display method, apparatus and device, and storage medium

The invention discloses an OSD (On Screen Display) display method, device and equipment based on an FPGA (Field Programmable Gate Array) and a storage medium. The method comprises the following steps: sending an OSD layer color ColarOSD to the FPGA by utilizing a CPU (Central Processing Unit), and sending a pixel coordinate to be rewritten and OSD transparency information to the FPGA; the FPGA reads the 30-bit color information of the pixel coordinates from the DDR memory, merges the transparency information of the OSD and the 30-bit color information into 32-bit information, writes the 32-bit information into the DDR memory, transmits the 32-bit information to the multiplication and addition calculation module, and the multiplication and addition calculation module performs superposition processing on the 32-bit information and then outputs the 32-bit information to a display screen to be tested for display. According to the method, the operation is directly carried out on the original ...

Electric power iron tower bolt fastening robot

The invention discloses an electric iron tower bolt fastening robot which comprises a bolt fastening mechanical arm, an advancing guide rail and two crawling robots, the bolt fastening mechanical arm is fixedly connected with a mechanical arm advancing base of the advancing guide rail, and the two crawling robots are connected with the advancing guide rail through sliding nuts and guide rail pulleys respectively. According to the intelligent bolt fastening robot for electric power iron tower assembling, existing iron tower assembling workers are replaced for tower climbing manual bolt fastening, the safety of the electric power iron tower assembling process is improved, and industrial application and popularization are facilitated.

Overcurrent quick breaking device for withstand voltage test

The invention discloses an over-current quick breaking device for a withstand voltage test, and belongs to the technical field of electric power protection tool testing. The device comprises a power supply input unit used for being connected with an external high-voltage power supply; the at least one output unit is connected with the power supply input unit; the output unit comprises a current sensor, a tripping electromagnetic lock and a lock catch structure, the lock catch structure is connected with the power supply input unit, the lock catch structure is used for being connected with an insulating protective tool, the current sensor is used for detecting current on the lock catch structure, and the tripping electromagnetic lock is connected with the power supply input unit. The tripping electromagnetic lock is used for disconnecting the lock catch structure from the insulating protector; wherein the insulating protection tool comprises an insulating boot and an insulating glove; and ...

Integrated energy system scheduling method and device considering source load uncertainty

The invention discloses an integrated energy system scheduling method and device considering source load uncertainty, and the method comprises the steps: carrying out the modeling of key equipment of an integrated energy system based on equipment nameplate parameters in the integrated energy system containing electric heating and cooling, and obtaining an equipment model; based on historical statistical data of new energy and loads, modeling is carried out on the source load uncertainty of the integrated energy system, and a day-ahead uncertainty model and an intra-day uncertainty model are obtained; on the basis of the equipment model and the uncertainty model, establishing a multi-objective optimization scheduling model of the integrated energy system; solving the multi-objective optimization scheduling model of the integrated energy system to realize scheduling of the integrated energy system; according to the method, the difference between the intra-day plan and the day-ahead plan can ...

Intelligent power plant intelligent monitoring and early warning maintenance management system based on Internet of Things

The invention discloses a smart power plant intelligent monitoring, early warning, maintenance and management system based on the Internet of Things, and relates to the technical field of smart power plant monitoring, early warning, maintenance and management, and the system comprises an electric appliance single body, a monitoring service center, an information collection unit, a registration and login unit, and an induction and reconstruction unit. The electric appliance monomers are in signal connection with a monitoring service center based on the Internet of Things, and the monitoring service center is in signal connection with an information acquisition unit, an induction and reconstruction unit and a registration and login unit; on one hand, the decay degree of the power element is judged by collecting the information of the power element in multiple dimensions, whether the power element needs to be replaced or not is judged according to the decay degree, and when the power element ...

Electric rigid mining dump truck and hydraulic integrated control system thereof

The invention provides an electric rigid mining dump truck and a hydraulic integrated control system thereof, and the control system comprises a hydraulic execution mechanism which comprises a lifting subsystem, a steering subsystem and a braking subsystem; the double pump comprises a first pump body and a second pump body, the first pump body is connected to the steering subsystem and the braking subsystem through corresponding hydraulic pipelines, and the second pump body is connected to the lifting subsystem and the braking radiator through corresponding hydraulic pipelines; the motor is used for driving the duplex pump; the pressure sensor group is used for detecting the pressure of hydraulic pipelines of the steering subsystem, the braking subsystem, the lifting subsystem and the braking radiator respectively; the temperature sensor is used for detecting the oil temperature of a hydraulic pipeline of the brake radiator; and the control module is used for acquiring the walking state ...

BIDIRECTIONAL UNIFORM RADIATION ANTENNA FEED SYSTEM

The present application relates to a bidirectional uniform radiation antenna feed system, comprising a power division feed network (201) and multiple waveguide slot antenna arrays (118). The multiple waveguide slot antenna arrays (118) are equally divided into two superimposed groups; each of the waveguide slot antenna arrays (118) comprises eight waveguide slot antennas (402); the waveguide slot antennas (402) are placed on a first power divider (505) of the power division feed network (201); the waveguide slot antennas (402) on the two superimposed waveguide slot antenna arrays (118) are arranged in a staggered manner. Bidirectional radiation is adopted in the present invention, i.e., the top and the bottom are each provided with 32 waveguide slot antennas which irradiate to the middle, and radiation electromagnetic fields are evenly distributed, such that radiation blind areas are effectively reduced; moreover, the waveguide slot antennas adopt a standing wave array antenna form, the ...

METHOD FOR PREPARING BACTERIAL POLYSACCHARIDE-MODIFIED RECOMBINANT FUSION PROTEIN AND USE THEREOF

Provided are a method for preparing a bacterial polysaccharide-modified recombinant fusion protein and a use thereof. The method comprises: the recombinant fusion protein and the neisseria meningitidis O-oligosaccharyltransferase PgIL are co-expressed in a bacteria defective in O-antigen ligase genes, and the polysaccharides which are endogenous or exogenous for the bacteria itself are connected to the recombinant fusion protein by the O-oligosaccharyltransferase PgIL, and the polysaccharide-modified recombinant fusion protein is thus obtained. The protein can be used for preparing antibodies and vaccines against bacterial polysaccharides.

BEARING METHOD AND CONTROL APPARATUS OF MULTIMEDIA BROADCAST MULTICAST SERVICE

A bearing method and control apparatus of the multimedia broadcast multicast service (MBMS) are provided. It makes that there is only one primary multicast control channel (P-MCCH) in each cell with the non-boundary location in the overlapped areas of the multimedia broadcast multicast service single frequency network (MBSFN); the centralized placement of the MBMS control signalings is realized; it is convenient for the terminal to obtain the control information corresponding to all the MBMSs in the cell once time, and at the same time, the interference of the merged areas could be avoided by configuring the different multicast resources to the different merged areas.

ETHERNET TOPOLOGY MANAGEMENT METHOD AND LOOP NETWORK NODE

The present invention provides an Ethernet topology management method, which includes that: a node with a blocked port in the loop transmits a Topology Find (TF) frame periodically along a workable port. The other nodes of the loop network forward the TF frame in sequence. During the forwarding of the TF frame, each node updates its own topology database according to the information carried in the TF frame, and updates the information carried in the TF frame according to its own node identifier. The present invention also correspondingly provides a loop network node, which includes: a TF frame transmission unit, a TF frame reception unit, a topology database, a node information update unit, a TF frame update unit, and a TF frame forwarding unit. In the present invention a TF frame is forwarded among each node of the loop network, so that it can be fast and convenient to find the information of node location, topology status, route reachable or not etc. in the whole network, thus enabling ...

COMMUNICATION METHOD, APPARATUS, AND SYSTEM BASED ON SATELLITE NETWORK

Provided in the present application are a communication method, apparatus, and system based on a satellite network, the method comprising: a user terminal receives a probe signal sent by a management satellite on a management channel, the management satellite managing one or a plurality of serving satellites; and the user terminal sends a respiratory signal to the management satellite, the respiratory signal carrying information of the user terminal, and the information of the user terminal being used for determining information of the serving satellite serving the user terminal. Due to the operations of the user terminal receiving the probe signal and sending the respiratory signal, the management satellite or a ground station can uniformly schedule a serving satellite to serve the user terminal. When the serving satellite is switched, the step of negotiation between satellites can be omitted, saving signalling overheads, and making the satellite communication experience of the user terminal ...

POSITIONING-BASED INFORMATION PUSHING METHOD AND SYSTEM

The invention provides a positioning-based information pushing method and system. The information pushing method comprises: S1, receiving a detection request frame sent by a mobile terminal; S2, analyzing the detection request frame and obtaining current geographical location information of a user and an MAC address of the mobile terminal; S3, sending the obtained MAC address to a cloud controller; S4, receiving service information found by the cloud controller in a service system according to the MAC address and inserting the service information into a detection response frame; and S5, periodically pushing the detection response frame to the mobile terminal according to the current geographical location information of the user. The mobile terminal can receive service information, pushed by a wireless access point, only by turning on a wireless network switch without logging in a wireless network in the range area. The method and the system are simple and convenient, bringing convenience ...

METHOD AND SYSTEM FOR MAINTAINING SOFTWARE PACKAGE DEPENDENCY

A method and system for maintaining software package dependency. The method comprises: analyzing a library required by a target program; allocating a version number to an interface of the library; acquiring software package information of interface dependency; associating the version number of the interface and the software package information to generate dependency; acquiring the version number of the interface required by the target program to obtain a first version number; and adding, into a dependency file, dependency corresponding to the first version number. The method is utilized to automatically maintain software package dependency information of an interface of a target program, and implement automatic acquisition of a dependent software package of the target program.

METHOD FOR SELECTING CLUSTER HEAD IN DISTRIBUTED NETWORK, NODE, AND SYSTEM

Disclosed are a method for selecting a cluster head in a distributed network, a node, and a system. The method comprises: an ordinary node detects, in a cluster head selecting period, whether a request message broadcast by another ordinary node in a cluster is received; if yes, determine whether a residual energy value of the ordinary node is greater than a residual energy value comprised in the request message by a value greater than or equal to a set difference value; if yes, then broadcast a request message comprising its own residual energy value to request to be selected as a cluster head node, and at the end of the cluster head selecting period, if it is determined that itself is a node satisfying a set condition among nodes in the cluster that have broadcast the request message, determine itself as the new cluster head node; if not, do not broadcast the request message comprising its own residual energy value of the ordinary node. By means of the method above, transmission overhead ...

METHOD AND APPARATUS FOR A RING NETWORK NODE TO ACQUIRE PROTOCOL MESSAGES

Disclosed are a method and an apparatus for a ring network node to acquire protocol messages, which include: different protocol messages are identified by using double fields; if a node supporting G.8032v1 receives a Force Switch (FS) or Manual Switch (MS) protocol message, it determines it is a Signal Fail (SF) protocol message according to the identifier; a node supporting G.8032v2 determines, according to the identifier, the received protocol message is an SF or MS or FS protocol message. The method of the present invention enables the nodes on a ring network to accurately control the states of their respective ports, thus avoiding the situation that multiple block points appear on the ring network and improving the network performance.

MULTIMEDIA CONTENT SYNCHRONIZATION METHOD AND ELECTRONIC DEVICE

The present application provides a multimedia content synchronization method and an electronic device. The method comprises: a first electronic device establishes a network connection to a second electronic device; when the first electronic device detects a first operation of a user, in response to the first operation, the first electronic device displays a first interface, wherein the first interface comprises text information which is associated with an audio file; and in response to the first operation, the first electronic device further sends an instruction of playing the audio file to the second electronic device, and the first electronic device adjusts the text information according to a network delay between the first electronic device and the second electronic device, so that the text information and the audio file are synchronously played. By means of the method, the lyrics played by the first electronic device can be synchronously played with the accompaniment played by the second ...

APPLICATION AUTHENTICATION METHOD AND SYSTEM BASED ON UDP TRANSMISSION

The present invention discloses an application authentication method and system based on UDP transmission. The method comprises steps of: S1. sending a UDP request to a wireless access device, the UDP request comprising application authentication request information; S2. receiving a UDP response sent by the wireless access device, the UDP response comprising application authentication response information and portal server address information; and S3. sending a website access request to a portal server according to the portal server address information. The present invention has the following advantages: (1) a UDP scheme is used instead of a TCP scheme of HTTP, which can greatly reduce the load of a wireless access device since UDP does not require three TCP handshakes between an application and the wireless access device, thereby improving the operating efficiency of the wireless access device; and (2) CRC-based UDP packets are utilized, which can improve the stability and security of ...

Plane electrode structure suitable for along face flashover

... 一种适用于沿面闪络的平面电极结构，包括被测绝缘子以及均采用离子溅射仪冷溅射金膜在被测绝缘子的表面形成的高压电极和地电极，所述高压电极和地电极对称设置；所述高压电极和地电极的形状均为圆形；所述高压电极和地电极的厚度为0.1μm；所述被测绝缘子为片状、板状或薄膜状。本实用新型结构简单，易于制作，放电分散性小；平面电极结构由离子溅射仪冷溅射金膜在绝缘子表面形成，可以完全避免传统金属电极与绝缘子间存在的微气隙，减少电极—真空—绝缘子交界处电场畸变，提高了沿面闪络放电的可靠性；可以灵活调节高压电极与地电极之间的距离，电压调节范围广。 ...

Pyrazoloxaziclomefone compound prepared based on intramolecular free radical cycloaddition and preparation method of pyrazoloxaziclomefone compound

The invention relates to a method for preparing a pyrazoloxaziclomefone compound based on intramolecular free radical cycloaddition, free radical cycloaddition reaction is adopted for one-step synthesis, two nitrogen atoms on a pyrazole ring in a reaction product come from benzenesulfonyl hydrazide molecules, the safety is good, the synthesis route does not need high-temperature reflux, and the reaction is energy-saving and green; a non-metal catalyst PhI (OAc) 2 can be adopted as the catalyst, the environmental pollution problems such as toxic metal lead acetate or metal residues are avoided, and the reaction can be carried out in an acid environment or an alkaline environment.

Data management method and system based on block chain and homomorphic encryption

The invention provides a data management method and system based on a block chain and homomorphic encryption, and the method comprises the steps: a data owner carries out the encryption according to the own document data, and transmits a document security index table to a cloud service platform; a query party user sends a query request to the cloud service platform; the cloud service platform queries a matching result from the document security index table according to the received query request and returns the result to the query user; the query party user generates a secondary query request according to the query matching result; the secret key node decrypts the received secondary query request and encrypts a decryption secret key, and transmits the encrypted decryption secret key to the smart contract; the smart contract of the block chain obtains a corresponding encrypted document from the block chain according to the document ID, and transmits the encrypted document and the encrypted ...

Dismantling and transporting device for spiral conveyor and using method of dismantling and transporting device

The invention discloses a screw conveyor dismounting and transporting device and a using method thereof.The device comprises a trailer assembly, a supporting assembly and a traction assembly, the trailer assembly is arranged in front of and below a screw conveyor and a segment erector, and the supporting assembly comprises a first supporting column and a second supporting column which are correspondingly arranged on the two sides of the screw conveyor; the first supporting column and the second supporting column can be telescopically adjusted in the length direction, a pulley is installed at the top end of the first supporting column, the top end of the second supporting column is rotationally connected with the bearing rail through a hinged shaft, the traction assembly comprises a traction rope, one end of the traction rope is bound and fixed to the spiral conveyor, and the other end of the traction rope is connected with a traction power mechanism after bypassing the pulley. The device ...

Multi-stage sewage treatment tank

The invention discloses a multi-stage sewage treatment tank which comprises a treatment tank main body, a plurality of partition plates are mounted in the treatment tank main body, the interior of the treatment tank main body is divided into a plurality of settling chambers through the partition plates, overflow ports are formed in the middles of the partition plates, inserting grooves are formed in the upper portions of the partition plates, and lifting type baffles are slidably mounted in the inserting grooves. Adjusting assemblies used for driving the lifting type baffle to ascend and descend are installed above the two ends of the partition plate, and the lifting type baffle stretches across the overflow opening, so that when the lifting type baffle ascends and descends, the overflow height of the overflow opening is changed. The sewage treatment tank is suitable for sewage treatment, the interior of the treatment tank is divided into a plurality of settling chambers through a plurality ...

Marketing strategy determination method and device, storage medium and electronic device

The invention discloses a marketing strategy determination method and device, a storage medium and an electronic device, and relates to the technical field of smart home, the marketing strategy determination method comprises the steps that order data corresponding to multiple brands sent by an order system and a third-party online shopping system in real time are acquired, and the order system is used for recording offline orders; an operation instruction of a target object is obtained, first order data is determined in the order data according to the operation instruction, and the first order data is used for indicating order data of a target area and a target product line; and sending the first order data to a product analysis model, and obtaining a marketing strategy of a target brand corresponding to the target object output by the product analysis model, the marketing strategy being used for indicating a master product of the target brand.

Single-target direct tracking method based on Kalman filter and particle swarm optimization

The invention discloses a single-target direct tracking method based on a Kalman filter and particle swarm optimization. The single-target direct tracking method comprises the following steps: firstly, obtaining a received signal; secondly, tracking a signal subspace of the target at each moment, and obtaining a noise subspace at each moment by using a subspace theory; then, combining the signals received by all the base stations to perform data fusion, and constructing a cost function related to the target position at the current moment according to a MUSIC spectrum; then, solving the minimum value of the cost function by using a particle swarm algorithm to obtain the position of the target at each moment; and finally, the position of the target at each moment is processed through a Kalman filter, so that the positioning precision is improved. According to the method, the complexity of a direct positioning algorithm can be greatly reduced, and the requirement of rapid tracking can be met ...

LOAD BALANCING METHOD AND SYSTEM BASED ON WIRELESS ROUTING DEVICE MIXING

The present invention relates to the technical field of wireless local area network processing and in particular to a load balancing method and system based on wireless routing device mixing. The load balancing method based on wireless routing device mixing is implemented according to the following steps: step S1, a wireless terminal device sending an association request signal in a wireless network where a multi-user multi-input multi-output device as a first type of routing device, and a single-user multi-input multi-output device as a second type of routing device are mixed; and step S2, the wireless terminal device selecting, according to load information about the wireless routing devices and by means of a second determination mode, a wireless routing device needing to be accessed so as to balance a load. The method is more flexible, has high accuracy, is easy to implement, and can effectively balance a load in a network where a group of different types of mixed wireless routing devices ...

TASK PRIORITY PROCESSING METHOD AND PROCESSING DEVICE

Disclosed in the present application are a task priority processing method and a processing device. The tasks comprise a first task, a second task and a third task, wherein the first task has a priority higher than that of the second task and the third task; The method comprises: when a first task is blocked due to a failure to access a first critical area, then promote the priority of a second task which shares the first critical area with the first task and which is currently accessing the first critical area; determine whether a third task exists that shares a second critical area with the second task and which is currently accessing the second critical area; if the third task does exist, then promote the priority of the third task. The solution provided in the embodiments of the present application prevents a third task which has a lower priority from delaying the implementation of a second task, thus preventing a priority reversion due to a delay in implementing a first task which ...

AXLE-END NUTS ASSEMBLING SYSTEM FOR CRH2-TYPE MULTIPLE UNITS

An axle-end nuts assembling system for CRH2-type multiple units comprises a base (1) below steel rails, and an electrical controlled cabinet (13) on one side of the base. Screwing devices (2), first stop wheel devices (3), anti-back devices (4), jacking and lifting devices (5), clamping devices (6), and poking wheel devices (7) are symmetrically arranged on the base at both sides relative to the centerline of two steel rails. Frames (9) are symmetrically arranged on the base at both sides relative to the centerline of the two steel rails. A sliding rail above the frames (9) is sleeved with a fixation seat below the screwing device (2). The fixation seat is connected with a piston rod of a displacement cylinder (12), which is fixed on the frames (9). In the wheelset moving direction, the anti-back devices (4) are mounted below the steel rail, which is in front of the screwing devices (2). The first stop wheel devices (3) are provided below the steel rail, which is behind the screwing devices ...

MULTIMEDIA BROADCAST MULTICAST SERVICE REQUEST METHOD, SYSTEM AND USER EQUIPMENT

A Multimedia Broadcast Multicast Service (MBMS) request method, system and user equipment (UE) are provided. The MBMS request method includes the following steps: the UE sends a random access list to a network side and requests random access (101); after receiving said random access list, the network side allocates uplink resources for said UE (102); and said UE sends the MBMS request information to the network side on said uplink resources (103). When the UE requests the MBMS, the UE sends the random access list to the network side and requests random access (101); after reception of said random access list, the network side allocates uplink resources for said UE (102); and said UE sends the MBMS request information to the network side on said uplink resources (103) to request the MBMS. By using above method, the MBMS request method, system and user equipment solve the problem that there is no appropriate MBMS request mechanism.

MULTIMEDIA PLAYING METHOD AND DEVICE

The present disclosure relates to a multimedia playing method and device. The method comprises: acquiring audio data and/or caption data of a first preset duration before a pause position of multimedia; according to the audio data and/or the caption data, determining a sentence start position of a complete sentence; and when an instruction to continuously play the multimedia is detected or a condition for continuously playing the multimedia is satisfied, continuously playing the multimedia according to the sentence start position. The present disclosure is used for enabling a user to catch and understand a complete sentence when continuously playing after pause.

PROCESSING METHOD AND DEVICE FOR FREQUENCY SPECTRUM SENSING DATA IN HETEROGENEOUS NETWORK

Provided are a processing method and device for frequency spectrum sensing data in a heterogeneous network. The method comprises the following steps: a data fusion centre (FC) sending frequency spectrum sensing signalling to K designated cognitive radio users within a coverage range, where K is an integer greater than 1; receiving local frequency spectrum sensing data reported by the cognitive radio users; performing weighting processing on frequency spectrum sensing statistics in the frequency spectrum sensing data to obtain global frequency spectrum sensing statistics; and comparing the global frequency spectrum sensing statistics with a predetermined threshold to judge whether a current frequency spectrum resource is idle or not.

PROTOTYPE OF METADATA-BASED INTEGRATED DATA CENTER SYSTEM FOR SMART REGIONAL MOBILE HEALTHCARE

A prototype of a metadata-based integrated data center system for smart regional mobile healthcare. The structure is characterized in: collecting data from a mobile healthcare site, extracting and purifying the data, which are then uploaded to an integrated data center for regional mobile healthcare; providing data to a data warehouse by means of aggregating the data; according to the type of the mobile healthcare, extracting the corresponding specialty metadata from the data warehouse so as to form a data market; mapping the metadata of a knowledge base to dictionary data of a service system by means of matching and combining logic so as to provide a uniform analysis aperture and data service. Construct a prototype of the metadata-based integrated data center system for smart regional mobile healthcare.

BEARING METHOD AND DEVICE FOR LOGICAL CHANNEL OF MULTIMEDIA BROADCAST MULTICAST SERVICE

A bearing method for Multimedia Broadcast Multicast Service (MBMS) Logical Channel is disclosed. It comprises: MBMS Control Channel (MCCH) is borne in sub-frames taken an Orthogonal Frequency Division Multiplexing (OFDM) symbol or a Physical Resource Block (PRB) or a sub-carrier or a sub-carrier cluster as a unit. At the same time, a bearing device for Multimedia Broadcast Multicast Service (MBMS) Logical Channel is disclosed. It comprises: a first bearing unit is used for bearing MCCH in sub-frames taken an Orthogonal Frequency Division Multiplexing (OFDM) symbol or a Physical Resource Block (PRB) or a sub-carrier or a sub-carrier cluster as a unit. With the solution of bearing MCCH in sub-frames of wireless frames in the form of time domain or frequency domain or PRB, it makes resource distribution more flexible and maximizes resource utilization, thus promoting spectrum efficiency of the system.

SUBSTRATE STRUCTURE, ON-CHIP STRUCTURE AND METHOD FOR MANUFACTURING ON-CHIP STRUCTURE

The present invention relates to a substrate structure, an on-chip structure and a method for manufacturing the on-chip structure. The substrate structure comprises a substrate body and an electric heating layer. The electric heating layer is provided on a side surface of the substrate body for growing an epitaxial layer. In the process of actually stripping the epitaxial layer, the part of the epitaxial layer in contact with the substrate structure can be thermally decomposed and separated from the substrate structure only by electrically conducting the electric heating layer and an external power source by means of an electrode, and heating the epitaxial layer with the heat of the electric heating layer. The heating process of the electric heating layer can be flexibly controlled, the temperature is controllable, and the heating can be repeated, thereby improving the stripping effect of the epitaxial layer and increasing the stripping yield without damaging an active layer above. Moreover ...

Aluminium pressure die -casting that modified cash registering machine was used

... 本实用新型涉及收银机技术领域，具体地说是一种改进的收银机用的铝压铸件。该改进的收银机用的铝压铸件包括压块、连杆和安全罩，所述压块包括下部的压盘和上部的压柄，所述压柄垂直于所述压盘设置，所述压柄中部设有圆角方形开孔，所述圆角方形开孔内部设有方形固定块，所述方形固定块上部连接于所述圆角方形开孔内部，所述方形固定块下部倾斜突出于所述圆角方形开孔，所述连杆的横截面呈方形，所述连杆的上部设有方形凹槽，所述安全罩设置于所述压块的外侧，所述安全罩内部设有第一圆形凹孔和第二圆形凹孔。 ...

Rotor is proofreaded to dynamic balancing machine standard of outband conical surface

... 本实用新型公开了一种带外锥面的动平衡机标准校对转子，包括芯轴，所述芯轴从左至右包括支撑于平衡机轴承架的左支撑段、与左端盖中心孔过盈配合的过盈配合段、轴向限位的限位段、与右端盖中心孔间隙配合的间隙配合段、与锁紧螺母配合的螺纹段、右支撑段，所述的左端盖、右端盖相向的端面上均形成装配环，外壁处形成限位板，装配环外圈为圆锥面，装配环径向上形成多个与试重配合的螺纹孔。本实用新型通过带外锥面的左端盖、右端盖，以及装配环上的螺纹孔实现对动平衡机的实时校准，外锥面以及限位板，可实现对复合材料圆筒进行线接触定位，最大程度上减小了由定位具自身初始失衡量所带来的系统测量误差。 ...

Extensive environment -friendly deep water net cage

... 本实用新型涉及一种大规模环保型深水网箱，解决了库区鲟鱼深水网箱养殖过程中，固态有机物的排放、病害交叉感染以及结合深达15m的深水网箱之下安装集污设施以达到最合适的水深问题，包括养殖箱、位于养殖箱外部的套箱，其特征是套箱的底部连接有集污箱，集污箱从上至下分为两层，上层回污层是倾角为40～50度的倒锥体，下层储污层是倾角大于上层的倒锥体，集污箱顶边与养殖箱底边具有0.8～1.2m的空间。有效地收集了整个网箱中的固体废弃物，并集于一处进行抽取，减小了深水网箱底部延伸深度，避免集污网吃水过深，降低成本且提高清理干净度，减少网孔堵塞，保证网箱内外水体交换。 ...

Surface of a wound device of dosing is sealed to keeping somewhere nature

... 本实用新型涉及医疗用具，具体是种留置性封闭创面给药装置，包括施药接头以及与其相连的进药导管，其特征在于：施药接头的进药端口设有肝素帽，进药导管的出口端为单头盲端或分叉型多头盲端，在靠近盲端的各进药导管上均布有多个出药孔，且多个出药孔均沿导管侧面同纵向切面两侧均匀分布。本装置适用于经过医用纱布、医用透气胶布或人生物皮等医用辅料包扎后的封闭性创面，可在不破坏创面封闭性的前提下，实现向需要给药的封闭创面的多次给药。改善了外科封闭性伤口的给药方式，避免了频繁换药导致的二次损伤和伤口感染；同时本给药装置还可配合其他引流设备进行创面处脓液和积液的引流。 ...

Dynamic goods sorting method, device and system based on target tracking

The invention discloses a dynamic goods sorting method, device and system based on target tracking, and the method comprises the steps: S101, capturing the image frame data of a camera, and adjusting the size input; s102, calling a YOLOV5 model to identify goods, and marking an initial position of a target; s103, carrying out Kalman filtering calculation, and predicting the (K + 1) th state position of the target according to the Kth position of the target; s104, according to the predicted (K + 1)-th state position, coordinate conversion from an image to reality is carried out, and the mechanical arm is moved to the predicted position; and S105, the mechanical arm starts the electronic air pump to suck the goods, returns to the fixed position to release the goods and returns to the initial position. According to the invention, the problems of goods omission during assembly line sorting, such as goods shielding by a mechanical arm, goods stacking and the like, are solved, and the goods sorting ...

Solar photovoltaic intelligent detection system and method based on Internet of Things

The invention discloses a solar photovoltaic intelligent detection system and method based on the Internet of Things, and belongs to the technical field of photovoltaic intelligent detection. The invention discloses a solar photovoltaic intelligent detection system based on the Internet of Things. The system comprises a data acquisition module, a data processing module, an abnormity early warning module, a control module and a safety detection module. The data acquisition module is used for acquiring solar photovoltaic temperature and output voltage and current; the data processing module is used for calculating the power of the solar cell panel for converting light energy into electric energy; the abnormity early warning module is used for carrying out early warning processing and providing a solution when the power or the temperature exceeds a threshold value; the control module is used for processing the early warning solar cell panel; the safety detection module is used for detecting ...

Antifouling solar sewage treatment device

The invention provides an antifouling solar sewage treatment device which comprises a sewage treatment mechanism and a protection mechanism, the protection mechanism comprises a protection assembly, the protection assembly comprises a shell, a cover plate is arranged above the shell, a water outlet pipe penetrates through one side of the shell, the other end of the water outlet pipe is connected with the cover plate, and the cover plate comprises a transverse plate; a water outlet pipe is arranged in the transverse plate, a wiring hole is formed in the transverse plate, a containing cavity is formed in the bottom end of the transverse plate, and a water outlet hole is formed in the end, close to the water outlet pipe, of the containing cavity, the treatment machine is placed in the protection assembly, the protection assembly comprises a shell and a cover plate, and the wiring hole is formed in the upper portion of the cover plate; the containing cavity is formed in the cover plate and ...

Smart home area scene control system and control method for user habit learning

The invention discloses a smart home area scene control system and control method for user habit learning, and the system comprises an information collection module and a processing module, and the information collection module comprises a sound collection unit, a human body movement recognition unit, a temperature recognition unit, and a light recognition unit. The information acquisition module is used for acquiring user sound data, human body movement perception, indoor temperature data and indoor illumination level data, and the data acquired by the information acquisition module are transmitted to the processing module. The processing module is used for recognizing the emotion of the customer according to the data acquired by the information acquisition module, performing habit learning and controlling indoor home furnishing according to the learning habit, and an emotion processing unit is internally provided with an emotion recognition algorithm and performs customer emotion judgment ...