COMMUNICATION METHOD AND DEVICE

Disclosed are a method and device for communication, the method comprising: associating with multiple accounts supporting different Instant Message (IM) protocols; obtaining a corresponding contact of each account of said multiple accounts; communicating with said contact. In the present invention, by associating with multiple accounts supporting different IM protocols, obtaining the corresponding contact of each account of said multiple accounts, and then communicating with said contact, the problem that the IM system does not support group communication of multiple IM protocols in the related art can be solved, satisfying the needs of users expanding their information exchange and communication range, and expanding the scope of application.

脱卸派克棉服（深藏青）

立领西装（深灰色）

电热水壶(F款)

针织背心（深藏青云纹）

PROCESS FOR PREPARING SOLID (CHLORINE METHYLENE) DIMETHYL AMMONIUM CHLORIDE

A method for preparing solid (chlorine methylene) dimethyl ammonium chloride. The method comprises: carrying out acylating chlorination reaction on raw materials of phthalic anhydride and thionyl chloride to obtain o-phthaloyl chloride; o-phthaloyl chloride reacting with N,N-dimethylformamide to obtain (chlorine methylene) dimethyl ammonium chloride and phthalic anhydride; dissolving the generated phthalic anhydride in excessive N,N-dimethylformamide; and obtaining solid (chlorine methylene) dimethyl ammonium chloride through solid-liquid separation. The method discharges sulfur dioxide through the first step of reaction, so that sulfur dioxide does not need to be forcedly removed in a high vacuum condition, thereby making the reaction condition mild and the implementation easy.

STAINLESS STEEL SURFACE OXIDE COATING ACID-WASH ADDITIVE, MANUFACTURING METHOD, AND ACID WASHING METHOD

An acid-wash additive for stainless steel surface oxide coatings, a manufacturing method, and an acid washing method. The acid-wash additive comprises 1-10 parts by weight of an alkanolamine, 0.1-5 parts by weight of a metal ligand, 0-10 parts by weight of a nitrogen-containing organic cyclic compound, 0-3 parts by weight of an alcohol, 0-3 parts by weight of a plant extract solution, and 1-2 parts by weight of water. The acid-wash additive can address the issues of high energy consumption, environmental pollution, and cost of current methods for removing stainless steel surface oxide coating.

Vehicle-mounted communication method and device, computer equipment and storage medium

The invention provides a vehicle-mounted communication method and device, computer equipment and a storage medium, and belongs to the technical field of vehicles. The method comprises the following steps: analyzing a request CAN message of a client to obtain a request identifier and request message content of the client carried by the request CAN message, the request message content comprising a server identifier, a service identifier and request data; under the condition that the server identifier is the identifier of a target server, calling a target vehicle service indicated by the service identifier based on the request data to obtain response data; and based on the request identifier of the client, a response CAN message is returned to the client, the response CAN message carries a response identifier and response message content of the target server, and the response message content comprises a server identifier, a service identifier, a service execution state and response data. According ...

Cement-based lining material prepared from tailing sand and cement and method

The invention discloses a cement-based lining material prepared from tailing sand and cement and a method, and belongs to the technical field of cement-based lining materials, the cement-based lining material comprises the following raw materials by mass: 35%-45% of cement, 5%-10% of tailing micro powder, 30%-35% of fine sand, 15%-20% of medium sand, 1%-2.5% of a coagulant, 0.1%-0.5% of a water reducer, and 0.05%-0.15% of an anti-crack material, 0.3%-1% of a binder; the tailing micropowder is prepared from tailing sand, and 0.05%-0.15% of a mineral surfactant is added in the preparation process. The cement-based lining material disclosed by the invention is high in lining strength, good in curing effect, economical and environment-friendly, and has good industrial prospects and social benefits.

MOBILE TERMINALS OF TEACHER AND PARENT, AND METHOD OF AUTHENTICATING IDENTITY OF PARENT

A method of authenticating an identity of a parent applies to a mobile terminal of a teacher. The method comprises: generating, for each of students, an original dynamic code corresponding thereto; encrypting the original dynamic code to obtain an encrypted dynamic code; transmitting the encrypted dynamic code to a mobile terminal of a parent; setting the mobile terminal of the parent selected to receive the encrypted dynamic code as a mobile terminal of a parent picking up a student, and receiving a dynamic code transmitted by the mobile terminal of the parent picking up the student; invoking a student dynamic lock to authenticate the dynamic code. The method can ensure security by performing the identity authentication for each of the parents picking up the students and encrypting the dynamic code for authentication and updating the encrypted dynamic code on a daily basis, thus providing double security. Furthermore, the method is suitable for the situation in which other family members ...

FILE PROCESSING METHOD AND APPARATUS, STORAGE MEDIUM, AND TERMINAL

The present application provides a file processing method and apparatus, a storage medium, and a terminal. The method comprises: using a second cleanup model to analyze a file stored in a terminal to determine whether the file needs to be cleaned up, wherein the second cleanup model is obtained by training a first cleanup model using training data, the training data comprises a first operation feature by a target object for a first cleanup result, the first cleanup result is obtained by analyzing, by means of the first cleanup model, the file stored in the terminal, the first cleanup result indicates a file to be cleaned up, the first operation feature is used for indicating the feature of an operation performed by the target object for a file of a specified type in the first cleanup result, and files of the same type have the same file feature; and if it is determined that the file needs to be cleaned up, displaying a second cleanup result, wherein the second cleanup result indicates the ...

Management method and management device of battery

The invention provides a battery management method and management device. According to the technical scheme, when the SOH of the battery meets a first condition, the charging current of the battery is controlled to be first current, and/or the charging and discharging SOC interval of the battery is controlled to be a first interval, and the first condition includes that the SOH of the battery is larger than the first SOH; when the SOH of the battery meets a second condition, the charging current of the battery is controlled to be a second current, and/or the charging and discharging SOC interval of the battery is controlled to be a second interval, the second current is smaller than the first current, the second interval is a part of the interval in the first interval, and the second condition includes that the SOH of the battery is smaller than or equal to the first SOH. According to the technical scheme, stable operation of the battery is guaranteed by regulating and controlling the charging ...

Method for evaluating thickness swelling rate of pole piece of lithium ion battery under semi-charge and full-charge conditions

The invention discloses a lithium ion battery half-charge and full-charge pole piece thickness swelling rate testing method, which can quickly calculate the pole piece thickness swelling rate of each stage by recording the pole piece thickness of each stage of a lithium ion battery, and can quickly calculate the pole piece thickness swelling rate of each stage by recording the pole piece thickness of a pre-charged half-charge and full-charge cell after capacity grading. According to the method, the operation is simple, the accuracy is relatively high, the thickness swelling rate of the pole piece of the lithium ion battery can be effectively tested, and the initial thickness size of a soft package battery cell can be evaluated and designed.

Power grid operation and maintenance business management method based on informatization means

The invention discloses a power grid operation and maintenance service management method based on an informatization means, and the method comprises the steps: collecting power grid operation data, building a power grid equipment ledger, setting an equipment defect rate threshold value, checking the operation condition of equipment, calculating the equipment defect rate, and carrying out the corresponding operation and maintenance work when the equipment defect rate is lower than the equipment defect rate threshold value. And carrying out repeated equipment defect rate calculation until the equipment defect rate is higher than an equipment defect rate threshold value, and storing and recording all equipment information changes and operation inspection processes. According to the power grid operation and maintenance service management method based on the informatization means, the power grid can be safely operated at low cost during power grid maintenance, and the area needing to be maintained ...

DATA TRANSMISSION METHOD, DEVICE AND TERMINAL

Provided are a data transmission method, device and terminal. The method comprises: a source-end device confirming a file to be sent; the source-end device performing authentication on devices to be accessed according to authentication requests of the devices to be accessed; the source-end device selecting a device to be accessed from the devices to be accessed passing authentication as a target-end device of the file to be sent; and the source-end device establishing a connection with the target-end device, and sending the file to be sent to the target-end device. By adopting the technical solution provided in the embodiments of the present invention, the operation flow is simplified, and the transmission efficiency is improved.

Preparation method of high-compaction layered metal lithium compound

The invention provides a preparation method of a high-compaction layered metal lithium compound, and belongs to the technical field of lithium ion secondary battery materials, the expression of the prepared high-compaction layered metal lithium compound is F1xF2y, the particle size is in bimodal distribution, F1 is a compound corresponding to a small particle size peak, and F2 is a compound corresponding to a large particle size peak. The preparation method comprises the following steps: firstly, preparing precursors P1 and P2 of F1 and F2 through an intermittent method, wherein 0.1 < = (D90-D10)/D50 < = 0.8, and D100P1 < = D0P2; pre-treating P1 and P2 to prepare intermediates M1 and M2, wherein SSA is more than or equal to 1m < 2 >/g and less than or equal to 5m < 2 >/g, and SSAM1/SSAM2 is more than or equal to 0.8 and less than or equal to 1.2; and finally, mixing M1, M2 and an N-containing compound, and simultaneously doping and sintering under the same sintering schedule. The preparation ...

Culture method of hyriopsis cumingii pallium cells

The invention provides a culture method of hyriopsis cumingii pallium cells, which comprises the following steps: adding exogenous growth factors and essential nutrients, optimizing a culture system, optimizing a tissue free cell acquisition procedure, observing by an optical microscope and detecting a cell cycle, and combining COI gene molecular identification of passage cell species to obtain the hyriopsis cumingii pallium cells. And in-vitro culture and passage of hyriopsis cumingii pallium tissue cells are realized. The method comprises the following steps: obtaining and treating autoserum of hyriopsis cumingii, obtaining and treating tissues, treating with mixed digestive enzymes, collecting free cells, preparing a cell proliferation culture medium, and carrying out primary and subculture on the cells, so that the survival ability and proliferation activity of the cells can be improved, and the cells can be fully grown in a culture bottle after being cultured for 4-5 days; therefore ...

Permanent magnet synchronous motor control method and system based on brain emotional learning

The invention discloses a permanent magnet synchronous motor control method and system based on brain emotional learning, and belongs to the field of permanent magnet synchronous motor control. A sensory input function and an emotion hint function are established according to a rotating speed error e, a q-axis current given value is generated through a brain emotion control method, a predicted value ym (k) is obtained through a neural network identifier, and input variables of the neural network identifier are x1 = e (k)-e (k-1), x2 = e (k) and x3 = e (k)-2 * e (k-1) + e (k-2); and optimizing the adjustable coefficient of the emotion suggestion function through the predicted value. According to the method, the control effect of the brain emotion controller on the PMSM speed regulation system is improved, and the anti-interference capability of the controller is further improved while the parameter regulation process of brain emotion control is simplified.

Accurate control method of three-dimensional space motion trail

The invention discloses an accurate control method for a three-dimensional space motion trail, which comprises the following steps of: mounting a cathode base on an X axis of an electrolytic machine tool, and enabling a device gap to be smaller than a preset value; the levelness of the cathode base is calibrated, so that the bounce value of the cathode base conforms to a preset bounce value; a standard tool setting block is installed on the installation position of the main shaft, and the vertical run-out value of the standard tool setting block is made to meet the requirement; variable quantities of the replaced cathode plate in the X-axis direction, the Y-axis direction and the Z-axis direction are obtained; respectively compensating the original moving tracks of the X axis, the Y axis and the Z axis according to the variable quantities of the X axis, the Y axis and the Z axis to obtain compensated three-dimensional space moving track parameters; according to the method, the problem that ...

METHOD, DEVICE AND TERMINAL FOR ALERTING AND TRACKING EVENT ON SOCIAL NETWORK

Disclosed are a method, device and terminal for alerting and tracking an event on a social network. The method comprises: acquiring an event alerting message over a social network; within each predefined alerting period, sending the event alerting message to an event alerting recipient; and determining an execution state of the event alerting recipient for an alerted event corresponding to the event alerting message, and executing an operation corresponding to the execution state, wherein the execution state comprises non-execution, in process of execution and completion of execution. The present invention can achieve the effect that an event alerting sender tracks the state of an event alerting recipient who handles an event.

METHOD AND DEVICE FOR SAVING INFORMATION, TERMINAL, AND STORAGE MEDIUM

A method and device for saving information, a terminal, and a storage medium. The method comprises: receiving, on a mobile terminal, a first operation track, wherein the first operation track is used for characterizing at least one identifier pattern (S201); determining target information identified, on the mobile terminal, by the identifier pattern (S202); and saving the target information to the mobile terminal (S203). The method solves the technical problem of an operation for saving information on the mobile terminal being relatively tedious.

METHOD FOR CONTROLLING RADIO-FREQUENCY SIGNAL RECEIVING MODULE

Disclosed is a method for controlling a radio-frequency signal receiving module, which belongs to the technical field of vehicle control. The method comprises: a radio-frequency signal receiving module acquiring a radio-frequency signal; and the radio-frequency signal receiving module sending the acquired radio-frequency signal to a vehicle body controller via a local interconnect network (LIN) bus for realizing remote control of the vehicle body. The method can realize the arrangement of the radio-frequency signal receiving module separating from the vehicle body controller, thereby effectively avoiding the problem of radio-frequency signal receiving sensitivity reduction caused by a poor radio environment where the radio-frequency signal receiving module is located.

Application of chimonanthus salicifolius volatile oil in preparation of anti-inflammatory product for treating lipopolysaccharide induced inflammation

The invention discloses an application of chimonanthus salicifolius volatile oil in preparation of an anti-inflammatory product for treating lipopolysaccharide induced inflammation. A method and a process for inducing THP-1 mononuclear cells into macrophages are researched by adopting a cell experiment method, and a protective effect and a mechanism of chimonanthus salicifolius volatile oil on lipopolysaccharide-induced inflammation in THP-1 macrophages are researched. In experiments, the growth curve and the growth state of THP-1 monocytes, the phorbol ester concentration of macrophages induced from the monocytes, the influence of LPS on the proliferation activity of the THP-1 macrophages, the toxicity interval of the chimonanthus salicifolius volatile oil on the THP-1 macrophages, and the protection effect and mechanism of the chimonanthus salicifolius volatile oil are explored. Based on the good anti-inflammatory protection effect of the chimonanthus salicifolius volatile oil and the ...

L-SHAPED METAL MESH DOOR AND MANUFACTURING METHOD THEREFOR

An L-shaped metal mesh door and a manufacturing method therefor. The metal mesh door comprises an L-shaped metal mesh (1) and elongated metal clamping slots (2). Two metal clamping slots are connected at corners by means of L-shaped metal accessories inserted into cavities of the metal clamping slots (2); the metal mesh (1) is embedded into the metal clamping slots (2). The manufacturing method for the metal mesh door comprises the following steps: folding a metal mesh profile into a 90º L-shaped product to form the metal mesh (1); chamfering two metal clamping slots (2) by 45º at a corner and then jointing the two metal clamping slots (2) by means of the L-shaped metal accessories inserted into square cavities (21), and then fixing with screws to form the metal clamping slots (2); embedding the metal mesh (1) in bayonets (22) of the metal clamping slots (2) for fixing, and meanwhile filling circular cavities (23) with plastic soft strips for fixing. The metal mesh door can be used at corners ...

一种化学置换镀银添加剂及其制备方法和应用

The invention relates to a chemical displacement Ag plating technique, concretely an Ag plating additive and its preparing method and application. The components of the additive include first component, second component and third component in weight percent of 1 to 0.01-0.1-0.05 to 0.12, where the components of the first component include chlorogenic acid, nicotinic acid and 3, 4', 4', 41''-copper tetra sulfophthalocyanine tetrasodium salt in the weight percent of 1 to 500-750 to 100-250; those of the second component include polyglycol 6000, peregal and ascorbic acid in the weight percent of 1 to 0.5-1.2 to 0.1-0.6; those of the third component include 2-mercapto benzothiazole, benzotriazole and benzyl thiorea hydrochloride in the weight percent of 1 to 0.8-1.5 to 1-1.5. By using this additive, it need not usecyanide and reducer (like glucose), can continuously plate the iron-based line material and also be applied to iron-based sheet material, beneficial to industrial production.

Compound equipment and process for modified graphene-based epoxy composite material

The invention discloses composite equipment and process for a modified graphene-based epoxy composite material, and relates to the technical field of composite processing equipment. The composite equipment comprises a composite reaction box and a plurality of feeding hoppers which are mounted at the top of the composite reaction box and are used for adding modified graphene-based epoxy composite material raw materials. According to the compounding equipment and process for the modified graphene-based epoxy composite material, a dispersing and mixing structure is arranged on a stirring shaft, after a raw material falls onto a rotating disc and is pressed downwards, the raw material can be connected with a prism sleeve in an inserted mode, then the stirring shaft can drive the rotating disc to rotate, and the raw material is dispersed and thrown out through centrifugal force; raw materials thrown out by the two groups of turntables can be directly mixed in advance, so that the mixing efficiency ...

Intelligent logistics system

An intelligent logistics system disclosed by the present invention comprises a logistics system main body, the logistics system main body comprises a storage system, a conveying system and an information end system, the lower side position of the storage system is provided with the conveying system, and the lower side position of the conveying system is provided with the information end system. Through the arrangement of the standby bins, the storage bins and the movable bins, information of goods stored in the storage bins in all the areas is uploaded at any time, when the goods in the single storage bin are insufficient, the goods can be adjusted by the nearby storage bins, the stock of the goods in all the areas can be kept at any time, the movable bins are laid around the storage bins, and the hot sale product goods can be stored in the movable bins; the storage space in the storage bin is prevented from being insufficient, goods are laid in a hot sell area at any time, the effect of ...

COMMUNICATION METHOD, TERMINAL AND COMMUNICATION SYSTEM

The present invention discloses a communication method, said method comprising the following steps: a main control terminal, by means of near-field wireless communication, invites a controlled terminal to join a communication group, obtains an identifier for the controlled terminal and notifies each member of the communication group of the identifiers of all members (S11); the members of the communication group communicate with one another in accordance with the notified identifiers (S12). The present invention additionally discloses a terminal and a communication system.

Welding process for brake cylinder of speed reducer

The invention discloses a speed reducer brake cylinder welding process which comprises the following steps: processing a to-be-welded end of a cylinder body and a to-be-welded end of an end cover into truncated-edge V-shaped grooves, so that the to-be-welded end of the cylinder body is matched with the to-be-welded end of the end cover; the to-be-welded end of the air cylinder body and the to-be-welded end of the end cover are assembled in a contact mode to form a to-be-welded area, and the air cylinder body is rotated according to preset rotation parameters under the condition that the end cover is kept fixed, so that the contact face of the air cylinder body and the end cover generates heat through friction; and after the friction time reaches a preset time threshold value, cold metal transition welding is conducted on the to-be-welded area immediately. According to the welding process, a cold metal transition welding mode with the characteristics of small welding heat input, small welding ...

Recombinant yarrowia lipolytica with high yield of beta-elemene as well as construction method and application of recombinant yarrowia lipolytica

The invention provides recombinant yarrowia lipolytica with high yield of beta-elemene as well as a construction method and application of the recombinant yarrowia lipolytica, and belongs to the field of bioengineering. The recombinant yarrowia lipolytica is prepared by inserting a 3-hydroxy-3-methylglutaryl CoA reductase expression cassette, a farnesyl pyrophosphate synthase expression cassette, an isopentenyl pyrophosphate isomerase expression cassette and a heterologous gamylene A synthase expression cassette into a yarrowia lipolytica genome. And replacing an endogenous ERG9 promoter in the yarrowia lipolytica with an ergosterol inhibition promoter pERG1 or a copper ion inhibition promoter pCTR1 to obtain the yarrowia lipolytica ERG9 promoter. The recombinant yarrowia lipolytica disclosed by the invention is efficient in construction method, simple to operate and capable of realizing high yield of beta-elemene.

RTP data packet sending method and system, electronic equipment and storage medium

The RTP data packet sending method provided by the invention comprises the following steps: acquiring a video RTP data packet in a network and a timestamp corresponding to the video RTP data packet; merging the video RTP data packets with the same timestamps to obtain same-frame RTP packets, and caching the same-frame RTP packets to a preset data queue; creating a data sending thread based on video access requests sent by a plurality of clients; and sending the same-frame RTP packets in the preset data queue to a plurality of clients based on the data sending thread. According to the method and the device, the data sending thread is created for the same-frame RTP packet according to the video access request initiated by the client, and the same-frame RTP packet is sent to the client, so that the same-frame data is sent as one data, the thread switching frequency during multi-thread distribution is greatly reduced, and the multi-thread distribution efficiency is improved. And the execution ...

Monitoring method, device and equipment and readable storage medium

The invention provides a monitoring method, device and equipment and a readable storage medium. The method comprises the following steps: acquiring a selection operation of a user on target production equipment in a layout map comprising at least one piece of production equipment; according to the selection operation, obtaining state statistical data of the target production equipment in a first preset time range; according to the state statistical data, displaying a state diagram used for representing the production state of the target production equipment in a second preset time range; wherein the production state comprises one or more of an equipment assembly operation state, an equipment assembly feeding state and a product batch state of the equipment assembly; the second preset time range is within the first preset time range. By adopting the method, the production equipment can be monitored in real time in the production process, so that the production state of the production equipment ...

Nickel-based cobalt-free positive electrode material and preparation method thereof

... (3‑V1*c)/3(4‑V2*d)/2The invention provides a nickel-based cobalt-free positive electrode material and a preparation method, the positive electrode material comprises an inner core and a surface layer, the inner core is a layered structure multi-component composite lithium oxide which is subjected to anion and cation multi-component doping at a transition metal site, an oxygen site and an alkali metal site, the surface layer comprises a substance of a rock salt phase or a spinel phase with an Fm-3m space group or an Fd-3m space group, and the expression of the positive electrode material is LaiMbFc (NixMgyAlzHw) (3-V1 * c)/3NdO (4-V2 * d)/2 * Ee, wherein 0.60 < = x < 1.00, 0 < y < = 0.20, 0 < z < = 0.20, 0 < w < = 0.02, 0.001 < = b < = 0.030, 1.00 < = a + b < = 1.40, 0.001 < = d < = 0.050, 0.001 < = c + e < = 0.050, x + y + z + w = 1, V1 and V2 are the valence of the element F and the valence of the element N respectively, and e is the amount of substance of the element F contained in the ...

Preparation method of early-strength thin spraying material for reinforcing, supporting and sealing mine roadway

The invention discloses a preparation method of an early-strength thin spraying material for reinforcing, supporting and sealing a mine roadway, and relates to the technical field of thin spraying material preparation. The thin spraying material is prepared by mixing the following substances in parts by mass: 45-55 parts of general purpose Portland cement; 25-30 parts of tailing fine sand; 6 to 16 parts of fly ash; 5-15 parts of an inorganic filler; 0.05 to 0.15 part of a thickening agent; 0.5 to 1.5 parts of an accelerator; 0.5 to 2 parts of redispersible latex powder; 0.2 to 0.6 part of a water reducing agent; 0.1 to 0.4 part of glass fiber; the ratio of water to materials is (1: 4)-(1: 6). When in use, the prepared raw materials are prepared into slurry, then the slurry is sprayed on site, and the prepared slurry needs to be sprayed within 90 minutes. The thin spraying material prepared by the invention has excellent hydration film forming property, high tensile strength and bonding ...

Low cross sensitivity gas detection device

Disclosed herein are methods, devices, and systems for providing a gas detection device (e.g., an electrochemical detector). An example gas detection device may include a sensing assembly including: a housing configured to receive a sample gaseous substance including a target gaseous substance and an interfering gaseous substance; the reference electrode is arranged in the shell; the counter electrode is arranged in the shell; and a sensing electrode disposed within the housing and operably connected to a bias voltage circuit.

Reactive voltage cloud edge cooperative control method based on Km-FZM model

The invention relates to a reactive voltage cloud edge cooperative control method based on a Km-FZM model, and the method comprises the steps: sensing end layer information through an edge server, and carrying out the judgment of a bus and a branch; constructing a cooperative control model, namely a Km-FZM model, in which a K-means model and an improved fifteen-zone graph control strategy are fused; and the edge server regulates and controls the data in the defined range at the edge layer according to a fifteen-zone graph control strategy, and if the reactive power is not balanced, the feature data outside the defined range is uploaded to the cloud for overall clustering optimization, and then optimization is performed at the edge layer. According to the method, the Km-FZM control model is combined with cloud edge cooperation, the defect that the control sequence is disordered and complicated is effectively overcome, voltage reactive power control and reactive power optimization are completed ...

METHOD AND SYSTEM FOR BROWSING EMAIL HISTORY OFFLINE

Disclosed are a method and system for browsing email history offline. The method includes: acquiring an email from an email server of an email database of a terminal; setting a backup file in a storage device and backing up the email in the email database in the backup email file. By way of the present invention, the email history can be browsed securely offline, and at the same time, it is convenient for the user to operate since the email is stored in an external storage device, and a large amount of space can be saved on the mobile phone in the event of there being present a high volume of important emails. Moreover, the privacy of the individual emails of the user can be better protected due to a series of security protection policies adopted by the present invention, ensuring the security of the email.

Production process for controlling color reversion factor of corn oil

The invention relates to the technical field of corn oil processing, in particular to a production process for controlling color reversion factors of corn oil, which comprises the following steps: (1) adding phosphoric acid into crude corn oil for reaction under a heating condition; (2) the dephosphorized and degummed corn oil is mixed with alkali liquor for deacidification treatment, the concentration of the alkali liquor is 5-8 Baume degrees, and the reaction temperature is 40-60 DEG C; (3) decoloring the deacidified corn oil by adopting a secondary plate frame decoloring method; (4) crystallizing the decolored corn oil, growing grains and dewaxing, wherein tubular continuous dewaxing is adopted; and (5) carrying out segmented heating deodorization on the dewaxed corn oil, and feeding the dewaxed corn oil into a finished product tower to obtain the finished corn oil. According to the invention, a secondary plate frame decoloring method, a low-temperature light alkali dephosphorization ...

Dispensing device for LED lamp processing

The invention relates to a dispensing device, in particular to a dispensing device for LED lamp processing. The glue dispensing device for LED lamp processing can evenly scrape glue and improve the glue dispensing effect. A dispensing device for LED lamp processing comprises a supporting frame, a shell, a storage barrel and the like, the shell is fixedly connected between the tops of the front side and the rear side of the supporting frame, and the storage barrel is fixedly connected to the middle of the top of the shell in a penetrating mode. A baffle is pulled to swing upwards to be opened, then an LED lamp is placed between limiting frames on the left side and the right side to be clamped and fixed, the baffle is closed, then a servo motor is started to rotate forwards, a sliding frame drives the LED lamp to move rightwards to a designated position through the limiting frames, and then a dispensing assembly is started to spray glue to the LED lamp to complete dispensing. And then the ...

Control system of electrical system detection tool

The utility model discloses a control system of an electrical system detection tool, which comprises a cab floor wiring harness F. The cab floor wiring harness F is connected with a connector G, and the connector is connected with a power supply controller T. The system has the advantages that centralized detection can be achieved, the labor intensity of workers is greatly reduced, and potential quality hazards existing in a cab electrical system are avoided.

Composite admixture of metal tailings and granulated blast furnace slag and preparation method thereof

The invention discloses a metal tailing and granulated blast furnace slag composite admixture, and belongs to the technical field of admixture preparation, the metal tailing and granulated blast furnace slag composite admixture comprises the following components by mass: 5-25 parts of metal tailings, 75-95 parts of granulated blast furnace slag, and 0.5-5 parts of a mineral functional material, the mineral functional material comprises 0.1-1.5 parts of an admixture A and 0.1-1.5 parts of an admixture B, the mixing amount of the admixture B is 0-4 parts. The composite admixture of the metal tailings and the granulated blast-furnace slag disclosed by the invention is beneficial to promoting resource utilization of the metal tailings, relieving resource shortage of concrete mineral admixtures and effectively solving the problem of reutilization of mine tailings.

Grid reconstruction model training method, grid reconstruction method and device

The invention discloses a training method of a grid reconstruction model and a grid reconstruction method and device, and belongs to the technical field of computers. The method comprises the following steps: acquiring a sample original grid, wherein the sample original grid comprises position information of a plurality of sample original vertexes; performing spherical parameterization on the sample original grid through a neural network model to obtain a sample spherical grid, any sample spherical sub-grid included in the sample spherical grid being obtained by performing spherical conversion on one sample original sub-grid in the sample original grid; determining a sample reconstruction grid based on the sample spherical grid through a neural network model, wherein the sample reconstruction grid comprises position information of a plurality of sample reconstruction vertexes; and based on the position information of each sample original vertex and the position information of each sample ...

Unmanned aerial vehicle flight control method of bee colony Agent model based on task traction

The invention discloses an unmanned aerial vehicle flight control method of a swarm Agent model based on task traction. The unmanned aerial vehicle flight control method comprises the following steps: S1, constructing an Agent model; s2, determining a flight mission strategy; s3, determining a strategy optimal center, namely a task for optimizing the unmanned aerial vehicle, and completing the task for updating the task for optimizing the unmanned aerial vehicle from the moment k to the moment k + 1; s4, determining a formation pattern; and S5, performing simulation verification. Through the reasonable design of the attractive force and the repulsive force, the sociality of the bee colony is ensured, and the survivability is also ensured. The obstacle, the task and the safety distance between the unmanned aerial vehicles are considered at the same time, after the obstacle is encountered, the unmanned bee colony can automatically adjust the bee colony formation structure and successfully ...

Chemical heat exchanger with porous tube plate

The invention belongs to the field of chemical heat exchangers, particularly relates to a chemical heat exchanger provided with a porous tube plate, and aims to solve the problems that an existing heat exchanger is in a static heat exchange state, and a liquid raw material and heat exchange liquid cannot be subjected to heat exchange sufficiently and uniformly, the chemical heat exchanger comprises a shell, a shell cover is fixedly mounted on one side of the shell, and an inlet is formed in the shell cover; a discharge port is formed in the shell, a first circular plate and a second circular plate are fixedly installed in the shell, a plurality of flow dividing holes are formed in the first circular plate, a plurality of heat exchange pipes are rotatably installed on the second circular plate, one end of each heat exchange pipe communicates with the corresponding flow dividing hole, and a plurality of stirring blocks are fixedly installed on the outer side of each heat exchange pipe. According ...

All-solid-waste-based concrete composite mineral admixture and preparation method thereof

Belonging to the technical field of admixture preparation, the invention discloses a full solid waste based concrete composite mineral admixture, which comprises the following components by mass: 50-70 parts of slag, 10-20 parts of metal tailings, 0-10 parts of fly ash, 5-20 parts of steel slag, 0-5 parts of ferronickel slag, 0-5 parts of lithium slag, 0-5 parts of kiln dust, 0.5-5 parts of a mineral activity activator, and 0.05-0.5 part of a grinding aid. According to the invention, the problem of treatment of tailings and metallurgical solid wastes is effectively solved, the contradiction of shortage of concrete mineral admixture sources in China is relieved, and unification of economic and social benefits is facilitated.

Social network user depression detection method fusing tweet information and behavior characteristics

The invention discloses a social network user depression detection method fusing tweet information and behavior characteristics. The method comprises the following steps: firstly, crawling a user data set from a Sina microblog database, performing text cleaning, and generating a depression user data set and a non-depression user data set through manual labeling; then fusing a multi-channel CNN and a BiGRU based on an attention mechanism to analyze the emotional tendency of each tweet of the user, filtering out part of forward emotional tweets, and forming a user historical text; secondly, extracting features such as posting time, forwarding behaviors and image publishing behaviors of the user to form a user behavior feature vector; and finally, building a depression detection model fusing the user historical text and the user behavior, training the detection model by using an Adam optimization method, and detecting a to-be-detected user by using the model after training is finished. The ...

Battery pack, energy storage system, power station and charging network

The invention provides a battery pack, an energy storage system, a power station and a charging network, relates to the technical field of energy, and aims to solve the technical problems of poor heat dissipation effect and poor temperature uniformity. The battery pack provided by the invention can comprise a battery cell assembly, a first heat exchange plate and a second heat exchange plate, the battery cell assembly is provided with a first heat-conducting surface and a second heat-conducting surface which are deviated from each other, and electrodes of the battery cell assembly are positioned on the first heat-conducting surface; the first heat exchange plate is provided with a first plate surface, the first plate surface is provided with a first groove, the first plate surface is in heat conduction contact with the first heat conduction surface, and the electrode is located in the first groove; the second heat exchange plate is provided with a second plate face which is in heat conduction ...

Preparation method of flexible early-strength thin spraying material for reinforcing, supporting and sealing mine roadway

The invention discloses a preparation method of a flexible early-strength thin spraying material for reinforcing, supporting and sealing a mine roadway, and relates to the technical field of thin spraying materials. The thin spraying material is prepared by mixing a component A and a component B, the component A accounts for 17-20% of the total weight, and the component B accounts for 80-83% of the total weight; the component A is prepared by adding water into one of an acrylic emulsion, a silicone acrylic emulsion or a neoprene emulsion, and the solid content of the component A is 10-15%; the flexible early-strength thin spraying material prepared by the invention has excellent flexibility and hydration film forming property, is high in tensile strength and bonding strength, and can be quickly cured. The film has the advantages of high fracture resistance, high compressive strength, no resilience, smooth surface, reduction of cracking, low production cost and safety and reliability in ...

Garden landscape plant carrying device for environmental design

The invention discloses a garden landscape plant carrying device for environment design, which comprises an automatic landscape potted plant carrying device, the automatic landscape potted plant carrying device comprises a transfer trolley, a lifting type lifting frame, a turnover type shovel plate, a clamping mechanism and an adsorption type soft contact pad, and the transfer trolley comprises a handrail and a trolley body mounted below the handrail; rollers are mounted at the bottom of the vehicle body, a notch is formed in the front end of the vehicle body, the lifting type lifting frame is mounted in the notch and comprises two groups of longitudinal adjusters symmetrically arranged and a cross beam mounted between the two groups of longitudinal adjusters, the turnover type shovel plate is mounted on the cross beam, and two groups of sliding grooves are symmetrically formed in the surface of the turnover type shovel plate. Transverse driving mechanisms are arranged in the sliding grooves ...

Data processing method and device, equipment and storage medium

The embodiment of the invention discloses a data processing method and device, equipment and a storage medium. The method comprises the steps that a to-be-optimized initial object grid model and K images including a target object are acquired; performing head feature extraction on the K images to obtain K pieces of candidate head shape data and K pieces of candidate head texture data of the target object; according to the K candidate head shape data, correcting the initial head shape data to obtain target head shape data of the target object; according to the K candidate head texture data, correcting the initial head texture data to obtain target head texture data; and optimizing and updating M head grids in the initial object grid model of the target object according to the target head shape data and the target head texture data to obtain an optimized target object grid model. According to the invention, the accuracy of the head grid model (the head grid in the target object grid model ...

Image processing method and device, equipment and storage medium

The embodiment of the invention discloses an image processing method and device, equipment and a storage medium. The method comprises the steps of obtaining a first plane image, a second plane image and content description information corresponding to the second plane image, calling an image rendering model to perform rendering prediction on the content description information corresponding to the first plane image and the second plane image under a color dimension, and obtaining a first prediction image, and calling an image rendering model to perform rendering prediction on the content description information corresponding to the first plane image and the second plane image under the content dimension to obtain a second prediction image, and obtaining a second prediction image based on the difference between the second prediction image and the second plane image and the difference between the first prediction image and the second prediction image. And training the image rendering model ...

Intelligent collaboration data service method

The invention discloses an intelligent cooperation data service method, and belongs to the technical field of Internet of Things. The method comprises the following steps of: firstly, based on edge calculation and deep learning, analyzing time correlation of quantitative observation contents by adopting a prediction method of edge entity observation contents, and sensing an evolution trend of the quantitative observation contents; then, a cloud context awareness method is designed, and dominant and implicit context awareness methods are respectively designed in consideration of the preference of a user to sensor attributes; finally, an intelligent data service mechanism based on a content prediction and context awareness method is designed, and the mechanism integrates cloud and edge communication and computing resources to match entity data so as to improve the efficiency of AIoT data acquisition. A simulation result shows that the mechanism is effective in the aspects of data service ...

Loudspeaker box light regulation and control method, device and equipment and computer readable storage medium

The invention discloses a sound box light regulation and control method, device and equipment and a computer readable storage medium, and the method comprises the steps: responding to a first preset combination key operation of a user on a sound box, and entering a sound box user-defined light regulation mode; in the sound box user-defined light adjustment mode, determining a user-defined light brightness value in response to a single-key operation of a user on the sound box; and controlling the sound box light brightness based on the user-defined light brightness value. According to the invention, the existing keys on the sound box are combined, the triggering condition of the light adjusting mode is set, after the light adjusting mode is entered, the user can adjust the light brightness based on the single key on the sound box, and after the final user-defined light brightness value is obtained, the user can adjust the light brightness according to the user-defined light brightness value ...

Aluminum alloy core torsion-resistant flexible cable and preparation method and application thereof

The invention discloses an aluminum alloy core torsion-resistant flexible cable and a preparation method and application thereof, and relates to the technical field of cables. The cable is composed of the following layers from inside to outside: an aluminum alloy flexible conductor, an isolating layer, an insulating layer and a sheath layer. The cable comprises an aluminum alloy flexible conductor, an isolating layer, an insulating layer and a sheath layer. The aluminum alloy flexible conductor is prepared by annealing aluminum alloy monofilaments and then stranding and re-stranding the aluminum alloy monofilaments. The pitch diameter ratio of bunch stranding is 10-30; the pitch diameter ratio of the compound stranding is 14-30; the stranding directions of the bunch stranding and the compound stranding are the same. According to the invention, a same-direction twisting mode is adopted, so that fatigue deformation generated by the plied yarns is reduced. The smaller the stranding pitch diameter ...

2-hydroxy-1-naphthaldehyde thiosemicarbazone iridium (III) complex as well as preparation method and application thereof

The invention discloses a 2-hydroxy-1-naphthaldehyde thiosemicarbazone iridium (III) complex and a preparation method and application thereof.The synthesis method comprises the steps that iridium trichloride and 2-phenylpyrazole or 2-phenylisoquinoline are added into a three-necked flask, a mixed solvent of 2-ethoxyethanol and water is added under the protective atmosphere, a reaction is conducted for 1-2 h, and the 2-hydroxy-1-naphthaldehyde thiosemicarbazone iridium (III) complex is obtained. After the reaction, slowly cooling to room temperature, filtering, washing and drying to obtain a chlorine-bridged iridium dimer; and adding the ligand L1 and the chlorine-bridged iridium dimer into a three-necked flask, evacuating air, introducing nitrogen as a protective gas, adding methanol, reacting at 100 DEG C for 24 hours, cooling to room temperature, filtering, dissolving, filtering, adding n-hexane, and standing to obtain the iridium complex. Two 2-hydroxy-1-naphthaldehyde thiosemicarbazone ...

Work order processing method, device and equipment and computer readable storage medium

The invention discloses a work order processing method, device and equipment and a computer readable storage medium, and belongs to the technical field of equipment maintenance. The method comprises the steps that a work order binding page is displayed, a work order control and an information control are displayed in the work order binding page, the work order control is used for determining a first work order bound with maintenance equipment, and the information control is used for determining associated information of the first work order; determining a first work order bound with the maintenance equipment in response to a triggering operation for the work order control; when the state of the first work order is a completed state and the state of the first work order determined based on the information control indicates that the state of the first work order is the completed state, changing the state of a work order associated with the first work order, and determining a second work order ...

SRM power electronic load simulation method and system

The invention discloses an SRM power electronic load simulation method and system, and relates to the field of motor simulation testing. The system comprises a tested motor controller which is used for generating three-phase voltage; the motor simulation unit comprises three groups of analog converters; the control unit comprises an instruction current calculation module and a PI module, the instruction current calculation module is used for generating an instruction current according to the phase voltage of the tested motor side, and a PWM driving signal is obtained through the PI module according to the difference between the instruction current and the phase current of the three sets of analog converters and used for adjusting the switching tubes of the three sets of analog inverters. And the three-phase current at the analog converter side tracks the three-phase current of the tested motor. According to the invention, the port characteristics of the switched reluctance motor can be ...

Original taste crystal ball pouring forming equipment

The invention relates to original taste crystal ball pouring forming equipment, and belongs to the technical field of food production.The original taste crystal ball pouring forming equipment comprises a hollow shell, a first tank containing film forming liquid and a second tank containing crystal ball liquid, the two tanks are arranged in the shell side by side, and discharging openings are formed in the bottoms of the shell and the bottoms of the two tanks; the device further comprises a first pipeline, a second pipeline and a vertically-arranged pouring dripper, the two ends of the two pipelines are connected with the discharging port of the corresponding tank body and the top end of the pouring dripper respectively, and the two top ends of the pouring dripper are communicated with the outlet ends arranged at the bottom end of the pouring dripper, so that the film forming liquid and the crystal ball liquid form crystal balls when being mixed. Therefore, the crystal ball can directly ...

Distribution network data collecting, recording and modeling method based on mobile terminal and storage medium

The invention discloses a distribution network data collecting and recording and modeling method based on a mobile terminal and a storage medium, and the method comprises the steps: when an equipment creation request is received, the mobile terminal obtains a corresponding equipment graphic element according to the equipment type of target equipment, and plots the corresponding equipment graphic element on an electronic map according to a current positioning position; obtaining a current parent device, and creating a topological relation between the target device and the current parent device; according to the device types of the target device and the current parent device, determining the device type of a connecting line between the target device and the current parent device, and plotting the connecting line on an electronic map; and updating the current parent device, and waiting for receiving a next device creation request until a modeling completion instruction is received. According ...

Image data processing method and device, equipment and medium

The embodiment of the invention discloses an image data processing method and device, equipment and a medium, and can be applied to the technical field of image processing. The method comprises the following steps: acquiring a target viewpoint head portrait image, and determining a target three-dimensional head portrait grid based on an initial three-dimensional face shape; performing image expansion processing on the target viewpoint head portrait image to obtain a first target texture map; obtaining a texture coding feature based on the first target texture map, obtaining a texture image splicing feature based on the texture coding feature and the image coding feature when the image coding feature is obtained, and decoding the texture image splicing feature to obtain a second target texture map; and obtaining a target rendering head portrait image based on the target three-dimensional head portrait grid and the second target texture map to generate a three-dimensional head model. By adopting ...

Application of cuttlefish ink polysaccharide in preparation of medicine for treating skin photoaging

The invention relates to the field of biomedical materials, in particular to application of cuttlefish ink polysaccharide and pharmaceutically acceptable salt thereof in preparation of a medicine for treating and/or preventing skin photoaging. The squid ink polysaccharide can reduce up-regulation of the relative expression quantity of the MMP-3 gene induced by light aging, so that the aim of delaying or treating skin aging mediated by MMP-3 overexpression is fulfilled. After SIP is injected into the dermis of the photoaged mouse, the collagen fibers of the mouse skin are more closely arranged, and the abnormal proliferation of dermal layer cells caused by UVB irradiation can be effectively inhibited. Moreover, by detecting light aging related indexes, such as T-SOD and change of MMP-3 gene expression quantity, up-regulation of light aging induced MMP-3 gene expression quantity can be reduced after SIP treatment, it is indicated that light aging is obviously improved, and therefore the purpose ...

Aluminum alloy profile cutting equipment

The invention discloses aluminum alloy profile cutting equipment. The aluminum alloy profile cutting equipment comprises a cutting base, a cutting mold and a cutting frame are installed on the cutting base, the two ends of the cutting mold are connected to the cutting base through fixing sleeves correspondingly, a plurality of fixing grooves are formed in the cutting base, and the fixing grooves and the fixing sleeves are arranged in a one-to-one correspondence mode; and each fixing sleeve comprises an outer screw rod and an inner screw rod, one end of each outer screw rod is fixedly connected with a first screwing block, one end of each outer screw rod movably penetrates through the cutting mold and extends into the corresponding fixing groove, each inner screw rod is inserted into the corresponding outer screw rod, the inner screw rods and the outer screw rods are arranged in parallel, and an adjusting cavity is formed in the end, inserted into the corresponding fixing groove, of each ...

Image rendering method and device, equipment and medium

The invention relates to an image rendering method and device, equipment and a medium, belongs to the technical field of artificial intelligence, and can be applied to game scenes. The method comprises the following steps: constructing a corresponding initial head mesh model based on a to-be-optimized initial image, and fusing first texture information of the initial head mesh model and second texture information of the initial image to obtain target texture information of the initial head mesh model; the first texture information is used for describing position information of three-dimensional mesh vertexes in the initial head mesh model; the second texture information is used for describing state information of a target head in the initial image, determining a vertex position offset of a three-dimensional grid vertex in the initial head grid model according to the target texture information, and performing vertex correction on the initial head grid model based on the vertex position offset ...

Novel mobile communication terminal

... 本实用新型公开了种新型移动通信终端，包括移动通信终端主体，移动通信终端主体上设置有两个语音接收器，语音接收器与移动通信终端主体的印制电路板PCB之间为通过有线连接，移动通信终端主体的背面设置有高度可调的支撑装置；支撑装置包括管体、底部延伸至管体内的推杆，推杆的顶部与移动通信终端主体的背面铰接；推杆靠近底端的外壁沿竖直方向设置有齿条，管体内设置有与齿条啮合的齿轮，齿轮上设置有延伸至管体外的转轴，转轴的端头可拆卸连接有摇杆；转轴的端头设置有六边形凹槽，摇杆的端头设置有六边形凸块，六边形凹槽与六边形凸块可拆卸配合连接。其有益效果是：使用方便、实用性强。 ...

Fault processing method and device for vehicle-mounted audio bus, vehicle and medium

The invention discloses a fault processing method and device for a vehicle-mounted audio bus, a vehicle and a medium, the fault processing method and device are applied to a vehicle-mounted audio system, the vehicle-mounted audio system is provided with a master device chip and slave devices which are sequentially connected to the audio bus in series, and the method comprises the steps that the multiple slave devices are detected, the fault slave device is determined, and the fault slave device is sent to the vehicle-mounted audio bus; and updating the SLOT configuration file of a normal slave device at the upstream of the faulty slave device, and performing communication transmission between the master device chip and the normal slave device according to the updated SLOT configuration file. According to the invention, a plurality of slave devices can be detected through the vehicle-mounted audio system to determine the faulty slave device, and when individual slave devices are abnormal ...

Drink water safety examination assistant device

... 本实用新型公开了一种饮用水安全检测辅助装置，包括电加热箱和电加热板，电加热箱内设有隔热板和加热电控装置，电加热板的上表面设有水渣提取板，水渣提取板的外周可拆卸密封有开口朝下的挡水围罩，挡水围罩顶端设有加水口，加水口上可拆卸设有密封盖，挡水围罩顶端还设有气体收集管，气体收集管端部可拆卸设有气体收集瓶装置，气体收集管上还设有蒸馏水收集装置；本实用新型将水样倒入挡水围罩和水渣提取板围成的空间内，利用电加热板在加热电控装置的控制下进行加热，使水体蒸发，从而一次性提取到蒸馏水、气体和水渣，将水蒸气进行冷凝的目的在于减少气体的收集量，同时方便气体的分析，本装置结构简单，使用方便。 ...

Grain sample quality distinguishing and screening equipment

The invention discloses grain sample quality distinguishing and screening equipment, particularly belongs to the field of grain sample impurity rate determination, and comprises a rotation driving motor, an air supply device and a material screening device, the air supply device comprises a hollow air supply sleeve with one open end and fan blades, the output end of the rotary driving motor is fixed to the fan blades, and the fan blades are arranged in the air supply sleeve; the material screening device comprises a first-stage material barrel used for containing grain samples, a second-stage material barrel used for containing sundries and a sealing cover. The grain sample quality distinguishing and screening equipment further comprises a first driving device for driving the first-stage material barrel to rotate and a second driving device for driving the second-stage material barrel to horizontally slide in the first-stage material barrel. The grain sample quality distinguishing and screening ...

Curing agent produced from solid waste residues and used for filling full tailing slag and application of curing agent

The invention discloses a curing agent produced from solid waste residues and used for full-tailing slag filling and application of the curing agent, and belongs to the technical field of filling curing agents, the curing agent is prepared from, by mass, 20%-30% of cement, 2%-8% of gypsum powder and lime powder, 30%-40% of slag powder and 30%-40% of lithium slag powder, the lithium slag powder is superfine slag powder obtained after water-quenched blast furnace slag is dried, ground and subjected to powder separation, and the lithium slag powder is obtained by conducting filtration and purification on slag left after lithium ore is subjected to roasting and mineral water separation to obtain lithium slag, then conducting drying, grinding and powder separation on the lithium slag, adding a surfactant and an activating agent in the grinding process, and conducting mixing and grinding. The curing agent for full tailing slag filling is good in curing effect, high in cemented filling body strength ...

Method and system for evaluating imaging of automobile central control screen on glass

The invention discloses a method for evaluating imaging of an automobile central control screen on glass. The method comprises the following steps: step 1, presenting a central control screen area, a glass area and a driver eye spot area in a side view mode; step 2, sequentially extracting screen boundaries of the central control screen area, and generating a screen point set; step 3, selecting a driver eye point in the driver eye point area; and step 4, connecting the selected eye points of the driver with each screen point in the screen point set to form a projection range in the glass area. According to the method, secondary development is carried out based on CATIA VBA, and an image of a screen boundary on glass is made through a loop program by using an eye point, a central control screen boundary and a glass surface input condition. By adopting the secondary development, the imaging time of the central control screen can be quickly evaluated, and the workload of engineers is reduced ...

Intelligent live broadcast room prototype management system

A smart live broadcast room prototype management system disclosed by the present invention comprises a management system main body, the management system main body comprises a storage system, an inspection system, a return system and an information query terminal, the storage system comprises a storage terminal, a calling terminal, a maintenance terminal and a purchasing terminal, and the calling terminal is arranged at the lower side position of the storage terminal. In the intelligent live broadcast room prototype management system, through the arrangement of the inspection system and a warehouse manager, after a caller returns a prototype, a person in charge of the inspection system can inspect the quality of the prototype and transport the damaged prototype to the maintenance terminal, and the damaged prototype is maintained by a person in charge of the maintenance terminal. And a responsible person inquires the recording end, finds the calling person and checks the responsibility of ...

Water chilling unit unknown fault diagnosis method based on semi-supervised adversarial variational automatic coding

The invention relates to the technical field of data center water chilling unit fault diagnosis, and discloses a water chilling unit unknown fault diagnosis method based on semi-supervised adversarial variational automatic coding, which comprises the following steps: firstly, preparing a training set of real data of a water chilling unit, including a small amount of marked data sets and a large amount of unmarked data sets; according to the water chilling unit unknown fault diagnosis method based on semi-supervised adversarial variational automatic coding, a Gaussian mixture variational automatic encoder (GMVAE) and a generative adversarial network (GAN) are jointly adopted. According to the method, a marked data set, an unmarked data set and false generation sample data are jointly trained, abnormal data are detected from the unmarked data set by using a Gaussian mixture variational automatic encoder, and the abnormal data are marked, so that a trainer focuses on learning the abnormal ...

Molybdenum tailing micro-powder type composite Portland cement with low hydration heat and preparation method of molybdenum tailing micro-powder type composite Portland cement

The invention discloses low-hydration-heat molybdenum tailing micropowder type composite Portland cement and a preparation method thereof, and belongs to the technical field of cement preparation, the low-hydration-heat molybdenum tailing micropowder type composite Portland cement comprises the following raw materials by mass: 50-75 parts of cement clinker, 2-5 parts of gypsum, 10-30 parts of molybdenum tailing micropowder, 5-15 parts of granulated blast furnace slag powder, 0-5 parts of a pozzolanic mixed material, 5-15 parts of fly ash, and 0-5 parts of limestone, the invention discloses composite Portland cement capable of improving the comprehensive utilization rate of molybdenum tailings and realizing high-value utilization of tailing micro powder.

Iridium compound with 2-hydroxy-1-naphthaldehyde thiosemicarbazone as ligand and synthesis method and application thereof

The invention discloses an iridium compound with 2-hydroxy-1-naphthaldehyde thiosemicarbazone as a ligand and a synthesis method and application of the iridium compound. The synthesis method comprises the steps that IrCl3. 3H2O and 2-phenylpyridine are weighed and put into a three-necked flask, 2-ethoxyethanol and water are injected under protective gas, light-shielding reflux is conducted for 10 h at the temperature of 100 DEG C, filtering, washing and drying are conducted after the temperature is reduced to the room temperature, and a chlorine-bridged iridium dimer is obtained; the preparation method comprises the following steps: mixing 2-hydroxy-1-naphthaldehyde and a thiosemicarbazide substitute, dissolving in methanol, adding acetic acid, carrying out reflux stirring reaction at 65 DEG C for 4 hours, filtering, washing and drying to obtain a ligand L; the method comprises the following steps: weighing a ligand L and a chlorine-bridged iridium dimer, putting the ligand L and the chlorine-bridged ...

Graph-vector autoregression disease propagation prediction method and system based on nonlinear spread function

The invention discloses a graph-vector autoregression disease transmission prediction method and system based on a nonlinear spread function. The method comprises the following steps: firstly, carrying out graph and graph signal modeling on disease transmission data; a graph-vector autoregression model is adopted to describe correlation between time-varying graph signals; mapping the signal from a low-dimensional space to a high-dimensional space by using a nonlinear spread function; then proposing an optimization problem to estimate parameters of the graph-vector autoregression model based on the nonlinear spread function; and finally, performing numerical experiments on different data sets by using the optimized prediction model to verify the performance of the prediction model. According to the method, the nonlinear space-time correlation between the time-varying graph signals can be depicted so as to carry out prediction. The model case is suitable for the prediction problem of disease ...

Power grid operation and maintenance business management method based on informatization means

The invention discloses a power grid operation and maintenance service management method based on an informatization means, relates to the technical field of power systems, and provides a power grid informatization operation and maintenance service management system which comprises a big data analysis module and an operation and maintenance management and control center. The big data analysis module is divided into a state analysis module, a prediction and early warning module and a fault judgment module; the operation and maintenance management and control center is divided into a visual field module, an operation management module and a command decision module. According to the invention, by arranging a power grid informatization operation and maintenance service management system and cooperating with a power grid operation and maintenance service management method, equipment on the whole power grid is modeled by means of drawing and data, and by continuously adding branches, the power ...

一种不锈钢化学抛光方法

... 一种不锈钢化学抛光方法，是以硫酸为载体，用氯化钠、氟化钠(或氟化钾)、硝酸钠代替相应的酸，先将这些盐类溶于溶有淀粉的水溶液中，将欲抛光的不锈钢在此溶液中浸泡，使其表面附着一层溶有上述盐类的淀粉层，然后再将此欲抛光的材料浸入硫酸溶液中，在适宜的温度范围内进行化学抛光，通常情况下，当溶液呈现绿色时，抛光过程即完成。本发明不产生酸雾，改善了工作环境，降低了生产成本。本发明具有实用与经济价值，适用于钢铁器件的浸蚀。 ...

A stainless steel material surface oxide skin acid washing additive and its preparation and the acid cleaning method

... 本发明属于金属表面氧化皮处理技术领域，具体涉及种不锈钢材料表面氧化皮酸洗添加剂及制备和酸洗方法。本发明的目的是解决现有去除不锈钢氧化皮的方法存在能耗高、污染环境和成本高的技术问题。本发明种不锈钢材料表面氧化皮酸洗添加剂，由以下重量份数的组分组成：醇胺类化合物1～10份、金属络合物配体0.1～5份、含氮有机环状化合物0～10份，醇类化合物0～3份，植物浸取液0～3份和水1～2份。 ...

Vehicle-mounted Ethernet switch, Ethernet and control method

The invention belongs to the field of automobile electronic architecture and vehicle-mounted communication, and provides a vehicle-mounted Ethernet switch, an Ethernet and a control method. The vehicle-mounted Ethernet switch comprises a plurality of first type ports used for being connected with the Ethernet controller; the first type port is used for receiving an Ethernet message, so that a vehicle-mounted Ethernet switch analyzes a target MAC address in the Ethernet message according to the Ethernet message, determines a port number of the first type port corresponding to the MAC address according to a forwarding table, and forwards the Ethernet message to the port number; the port numbers comprise all numbers of the first type of ports. According to the invention, each pair of in-vehicle Ethernet controllers which communicate with each other can transmit data without conflicts.

Privacy protection encryption method based on mobile information system

The invention relates to the technical field of information encryption, and discloses a privacy protection encryption system based on a mobile information system, which comprises a privacy protection encryption system. The privacy protection encryption system comprises a primary input unit, an encryption unit, a protection unit, a primary output unit, a decryption unit, a secondary output unit, a secondary input unit and an artificial intelligence unit. The embedded user-defined key is merged into the encryption unit through the intelligent auxiliary module, the processing module and the merging module, so that when a user encrypts an official document, multiple encryption is carried out through the user-defined key on the basis of encryption of the original encryption unit; and the encryption effect is improved through the mode of customizing the key and encrypting the original encryption unit, so that the privacy of the official document needing to be encrypted by the user in mobile communication ...

Garden landscape plant pruning device for environmental design

The invention discloses a garden landscape plant pruning device for environmental design, which comprises a fixing frame, a pruning mechanism and a dust removal mechanism, the fixing frame comprises a front bracket, a rear bracket, a base and a top plate, the front bracket and the rear bracket are respectively mounted at the front end and the rear end of the top surface of the base, and a feeding hole is formed in the front bracket. A to-be-trimmed plant is placed on the inner side of the fixing frame through a feeding port, a motor is started to drive a connecting disc to rotate, an air pump is started to convey air into a pneumatic motor and an air bag, the pneumatic motor rotates to drive a knife roll to rotate, branches and leaves making contact with the knife roll are trimmed, and the air bag expands in the trimming process; after the air bag expands, the trimming plate is pushed to conduct angle adjustment, the trimming plate is gradually adjusted from a large angle to a small angle ...

Robust Poisson multi-Bernoulli filtering method under thick tail measurement noise and related equipment

The invention discloses a robust Poisson multi-Bernoulli filtering method under thick-tail measurement noise and related equipment, and relates to the field of multi-target tracking. The method mainly aims at solving the problems that an existing multi-target tracking algorithm cannot give the optimal multi-target tracking performance and cannot be popularized to a multi-target tracking scene with unknown process noise and thick tail noise parameters in practical application. The method comprises the steps that a state equation and an observation equation of multi-target tracking under thick-tail measurement noise are established, and the state equation and the observation equation comprise noise unknown parameters; determining a priori PDF and a target likelihood PDF based on the state equation, the observation equation and the augmented state space model; determining an approximate posterior PDF based on the priori PDF and the target likelihood PDF; a prediction step of determining a ...