带车况信息图形用户界面的汽车全液晶仪表

METHOD FOR REMOVING PPCPS MICROPOLLUTANTS FROM SECONDARY SETTLING TANK WASTEWATER

A method for removing PPCPs micropollutants secondary settling tank wastewater. The secondary settling tank wastewater is urban wastewater after secondary settling tank treatment by an effluent treatment plant. The method includes the following operations: introducing, by using a manner of bottom microporous aeration, mixture gas of O2 and O3 in which a volume percentage of O3 is 5% to 10% to an ozone contactor (4) in which a cathode (5) and an anode (7) are disposed at the bottom, where a direct-current power supply (10) is connected at two ends of an electrode; and while the mixture gas is being introduced, adding, to the ozone contactor (4), PPCPs containing water body to be treated, where the duration that the water stays is 10 s to 40 min, and discharging the water body in real time. Further disclosed is an application of the method in preparation of drinking water. Compared with a conventional method, the method does not need an additional chemical agent, and therefore flocculation ...

AUTOMATIC LOCK PROTECTION DEVICE, SYSTEM AND METHOD FOR DISPLAY DEVICE

Disclosed are an automatic lock protection device, system and method for a display device (20). The automatic lock protection device comprises: a box body (10) for having the display device (20) placed therein, the box body (10) comprising a box door (101) and at least one electronic lock (102) disposed in the box body (10) and used for controlling the opening and closing of the box door (101); a wired or wireless communication module (202) for receiving control information issued by a cloud server (200) and sending opening and closing information of the at least one electronic lock (102); and a controller (201) connected to the wired or wireless communication module (202) and used for generating a control instruction according to the control information, wherein the controller (201) is in communication connection with the at least one electronic lock (102) and sends the control instruction to the at least one electronic lock (102) to control the opening and closing of the box door (101 ...

Skewing machine used for fin evaporator

... 本发明涉及自动化设备领域，更具体地说，涉及种用于翅片蒸发器生产的扭斜机，包括机架及设在所述机架上的扭斜机构及控制系统，所述的扭斜机构由第液压缸带动第传动机构及第二液压缸带动第二传动机构构成；所述的第传动机构固定在所述机架的侧，它由在同水平面上并按照直线整列排布在机架上的多个第扭斜杆构成，所述第二传动机构由多个第二扭斜杆构成，所述多个第二扭斜杆的尾部设有第二齿轮，所述第二液压缸通过第二齿条连接于第二齿轮；所述的控制系统包括PLC和显示屏。本发明通过按照同轴心排列第扭斜杆与所述第二扭斜杆并在液压缸的作用下实现对翅片蒸发器管路的扭斜。 ...

Dynamic updating privacy protection auditing device and method in multi-level industrial control network

The invention discloses a device and a method for dynamically updating privacy protection auditing in a multi-level industrial control network. The device is provided with a system parameter establishment unit, a mobile receiver or fog node public key/private key pair generation unit, a mobile receiver re-signature key generation unit, a mobile receiver label generation unit, a mobile receiver generated label verification unit, a mobile receiver label re-signature unit and a mobile receiver label re-signature unit. And a tag generation unit, a verification unit and a public integrity auditing unit of the stored data of the data block of the fog node. The device supports dynamic updating of stored data and is low in calculation cost. According to the method, the privacy of a third-party auditor can be protected, the timeliness and accuracy of data are ensured, the calculation cost of a mobile receiver and a fog node is reduced, the data processing efficiency and speed are improved, the expandability ...

Vehicle-mounted screen brightness adjusting method and device, electronic equipment and storage medium

The embodiment of the invention discloses a vehicle-mounted screen brightness adjusting method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the human eye position judgment of a collected human face image of a driver, and obtaining the human eye position in the human face image; determining the initial position of the human eye position to obtain the initial human eye position away from the vehicle-mounted screen; determining the range relation between the eye sight of the driver and the vehicle-mounted screen based on the initial human eye position; and correspondingly adjusting the brightness of the vehicle-mounted screen based on the range relation. According to the invention, the initial human eye position determination is carried out on the distance to the vehicle-mounted screen, the range relationship between the sight line of the eyes of the driver and the vehicle-mounted screen is determined on the basis of the initial human ...

Method for preparing damaged soil improvement matrix in alpine strip mine area from textile sludge and application method

The invention provides a method for preparing a damaged soil improvement matrix in an alpine strip mine area from textile sludge and an application method. The method for preparing the damaged soil improvement matrix comprises the following steps: S1, collecting textile sludge of which the heavy metal content meets the requirement; s2, mixing the textile sludge with a microbial inoculum 1, and then standing and sealing; s3, mixing the sealed textile sludge with the to-be-improved damaged soil of the mining area according to the classification standard of Caloceliski soil texture, so as to obtain a to-be-improved matrix; s4, mixing a to-be-improved matrix with the microbial inoculum 2 to obtain a soil improvement matrix; the microbial inoculum 1 is a microorganism or a combination of microorganisms for degrading textile sludge, and the microbial inoculum 2 is a microorganism or a combination of microorganisms for improving soil salinity and alkalinity. Through combined use of organic waste ...

WASTEWATER TREATMENT DEVICE AND METHOD FOR IN-SITU ELECTRIC GENERATION OF H2O2 COOPERATING WITH O3 OXIDATION

A wastewater treatment device and a method for in-situ electric generation of H2O2 cooperating with O3 oxidation. The device comprises a reaction container. Bottom of the reaction container is provided with a magnetic stirrer. A stirring magneton is arranged in the reaction container. An inner part of the reaction container is provided with a stainless steel micro-pore aeration plate, an inert anode and a gas diffusion cathode, the inert anode and the gas diffusion cathode are vertically opposite to each other, the reaction container is also provided with a pipeline for introducing O3, and the inert anode and the gas diffusion cathode adopt a DC (direct current) power supply. The method comprises: firstly the inert anode and the gas diffusion cathode being immersed in a wastewater solution, and connecting with the DC power supply, then connecting pure oxygen with an ozone generator by a polytetrafluoroethylene tube, connecting the stainless steel micro-pore aeration plate with gas outlet ...

ENERGY-SAVING ESTER HYDROGENATION PROCESS

Disclosed is an energy-saving ester hydrogenation process. The fresh hydrogen of the present invention has two replenishing points; a material feed/discharge heat exchanger is used to recycle the waste heat of the gas at the outlet of a hydrogenation reactor; and heated material hydrogen is used to gasify dimethyl oxalate; and a high-efficiency energy-saving hydrogenation reactor is employed to improve the space-time yield of a catalyst and the selectivity of the product. According to the features of the hydrogenation process and of the ester, the present invention employs a process of evaporating before heating, reasonably utilizes a fresh hydrogen replenishing position, and employs a high-efficiency evaporation tower and a high-efficiency hydrogenation reactor, thus reducing investment and energy consumption, and having good applicability for a hydrogenation process.

INTELLIGENT DISPLAY STATE DETECTION SYSTEM AND METHOD FOR DISPLAY DEVICE

An intelligent display state detection system and method for a display device. The system comprises: a cloud server communicationally connected to a data processing unit and configured to send a display instruction and a display state information reference value to the data processing unit according to the setting time; a detection unit provided in the display device and configured to obtain the display state information of the display device, and send the display state information to the data processing unit; and the data processing unit provided in the display device and configured to receive the display instruction, control the display device to perform corresponding display according to the display instruction, compare the display state information with the display state information reference value, determine the display state of the display device according to the comparison result, and send the comparison result to the cloud server. The cloud server receives and stores the display ...

Urban rail platform door fault scheduling method and device, computer equipment and storage medium

The embodiment of the invention provides an urban rail platform door fault scheduling method and device, computer equipment and a storage medium, and relates to the technical field of urban rail scheduling. The method comprises the steps of obtaining state information of an urban rail train platform door, and when the platform door breaks down, judging the fault type of the platform door; generating and executing a fault scheduling instruction according to the platform door fault type; the fault scheduling instruction comprises issuing a manual fault processing instruction; and generating a running diagram dynamic adjustment preview scheme according to the platform door fault type and the repair condition of the platform door fault, receiving a manual instruction based on the platform door fault type, the repair condition of the platform door fault and the running diagram dynamic adjustment preview scheme, and loading and executing the running diagram dynamic adjustment preview scheme according ...

SYSTEM AND METHOD FOR DETERMINING BLOCKAGE DEGREE OF INTELLIGENT REAL-TIME AIR FLUE FILTER SCREEN

A system and method for determining the blockage degree of an intelligent real-time air flue filter screen (12). The system comprises at least one fan (11) and a fan power drive unit (40), and further comprises a filter screen (12), an air flue information collection unit (20), a data processing center (30) and a cloud server (50), wherein the fan (11) and the filter screen (12) form an air flue (10) for setting an air operation path of the fan (11); the air flue information collection unit (20) is arranged on an air outlet side of the filter screen (12) so as to collect actually measured air state information of the air outlet side of the filter screen (12); the cloud server (50) stores a correlation between rotating speeds of the fan (11) and target air state information of the air outlet side of the filter screen (12); and the data processing center (30) acquires corresponding target air state information according to a current rotating speed of the fan (11) and receives the actually ...

Double-row Larsen steel sheet pile

The invention provides a double-row Larsen steel sheet pile which comprises a plurality of structural units, each structural unit comprises two Larsen steel sheet piles arranged in parallel and a first lock catch, and the two Larsen steel sheet piles arranged in parallel are fixedly connected through the first lock catches; every two adjacent structural units are fixedly connected through the first lock catch in one structural unit and the two Larsen steel sheet piles in the other structural unit. The double-row Larsen steel sheet piles are connected through the structural units, the structural units fixedly connect the Larsen steel sheet piles arranged in parallel through the first lock catches, the double-row Larsen steel sheet piles are formed, the integrality is high, and the supporting effect is better.

HEAT-RADIATING STRUCTURE OF DISPLAY DEVICE AND ELECTRONIC DEVICE

A heat-radiating structure of a display device and an electronic device. The heat-radiating structure comprises an outer airflow passage (310) and an inner airflow passage (120) which are provided in a housing (510) of a display device, and a heat-radiating module (210). The outer airflow passage (310) is provided on the back of a display screen (130) and is communicated with an air inlet hole and an air outlet hole on the housing (510) of the display device for allowing an external air (10) to flow. The inner airflow passage (120) is provided around the display screen, and is provided with a circulating air (20), the circulation direction of the circulating air (20) and the flow direction of the external air (10) being perpendicular to each other. An inner side of the heat-radiating module (210) is provided towards the inner airflow passage (120), and seals same. An outer side of the heat-radiating module (210) is provided towards the outer airflow passage (310) and is communicated with ...

Low-altitude flight service station layout optimization method dominated by low-altitude user demands

The invention provides a low-altitude flight service station layout optimization method dominated by low-altitude user demands, and belongs to the technical field of low-altitude flight service station layout optimization, and the method comprises the steps: 1, building a logic space-time demand analysis and prediction model of a low-altitude flight service based on a behavior travel theory and transportation economics; 2, establishing an ABM decision-making mechanism of a dispersed hierarchy based on a logic space-time analysis and prediction model; 3, demand aggregation type low-altitude flight service discrete site selection is carried out based on a decision-making mechanism; 4, performing demand continuous dynamic low-altitude flight service site selection based on a decision mechanism and demand aggregation type low-altitude flight service discrete site selection; and 5, through a random forest numerical method, the influence of accident interval probability and site selection robustness ...

Comb-tooth-shaped steel damper

The comb-tooth-shaped steel damper comprises a steel damping unit, and the longitudinal section of the steel damping unit is of a left-right symmetrical structure and a closed-loop structure; a plurality of first strip-shaped holes are formed in the two longitudinal ends of the steel damping unit respectively and are formed in the length direction of the steel damping unit, and all the first strip-shaped holes in each end are distributed at intervals in the transverse direction of the steel damping unit. According to the comb-tooth-shaped steel damper, comb-tooth-shaped structures are formed at the two ends through the first strip-shaped holes, the steel damping units can achieve longitudinal energy dissipation in the bending direction of the steel damping units and can also conduct torsional deformation along the first strip-shaped holes between the comb teeth in the transverse direction and generate displacement, earthquake energy is effectively dissipated, and the comb-tooth-shaped steel ...

DISPLAY DEVICE INTELLIGENT REAL-TIME DYNAMIC DISPLAY BRIGHTNESS ADJUSTMENT SYSTEM AND METHOD

The present invention relates to a display device intelligent real-time dynamic display brightness adjustment system and method, the system comprising: an environment detection unit, which detects in real time current environment information of the display device; a brightness adjustment unit, which adjusts display brightness of the display device; a data collection unit, which is connected to the environment detection unit and collects current environment information; a positioning unit, which orients positioning information of the display device in real time; a cloud server, which generates corresponding environment information set values on the basis of the positioning information; and a device processing unit, which is connected to a positioning module, the cloud server, the data collection unit and the brightness adjustment unit respectively, compares the current environment information to the environment information set values, outputs a control signal to the brightness adjustment ...

Activated carbon production raw material treatment integrated device

The invention relates to the technical field of activated carbon production, and discloses an activated carbon production raw material treatment integrated device which comprises a base, a shell is fixed to the top of the base, a fixing base is fixed to the top of the base, and a first sliding groove is formed in the side edge of the fixing base; a lifting plate is installed in the first sliding groove through a first lifting mechanism, a material box is installed on the lifting plate through a rotating mechanism, a door plate is hinged to the side edge of the material box, a first feeding opening is formed in the top of the shell, a smashing cavity is installed in the shell, and smashing wheels are installed in the smashing cavity. The raw materials with unqualified sizes can be brought to the second feeding port by the spiral shaft and are crushed again until the raw materials are qualified, so that the qualified sizes of the raw materials falling from the sieve plate can be ensured, ...

Method for preparing carbon material from grease and application of carbon material as battery negative electrode

The invention discloses a method for preparing a carbon material from grease and application of the carbon material as a negative electrode of a battery, and the method comprises the following steps: step 1, purifying grease in a raw material, step 2, carrying out grease ester decomposition reaction to form higher fatty acid salt, step 3, adding a nitrogen-rich agent into the higher fatty acid salt, step 4, carrying out high-temperature carbonization, and step 5, washing, removing impurities and drying to obtain the carbon material. And 6, applying the carbon material to a lithium/sodium/potassium ion battery as a negative electrode. According to the novel method for preparing the carbon negative electrode material, grease is adopted as a raw material, the nitrogen-rich porous carbon nanosheet is obtained through the process steps, and the nanosheet structure can improve the ion transmission efficiency; the porous structure can improve the lithium/sodium/potassium storage capacity; different ...

SM2 threshold signature system based on dynamic secret sharing

The invention discloses an SM2 threshold signature system based on dynamic secret sharing, and relates to the technical field of information security. The system comprises an initialization module, a distributed key generation module, a signature module and a verification module. The initialization module is used for initializing public parameters; the distributed key generation module is connected with the initialization module and is used for generating a secret share based on the initialized public parameters; the signature module is connected with the distributed key generation module and is used for generating a signature pair based on the public parameter and the secret share; the verification module is connected with the signature module and used for verifying the signature pair. Aiming at the situation that an existing SM2 threshold signature algorithm cannot adopt an original signature private key to ensure that an external signature public key is not changed when the number of ...

INTELLIGENT, REAL-TIME AND DYNAMIC TEMPERATURE ADJUSTMENT SYSTEM AND METHOD FOR DISPLAY DEVICE

The present invention relates to an intelligent, real-time and dynamic temperature adjustment system and method for a display device. The system comprises at least one temperature sensor, a data collection unit, a data processing center, a temperature adjustment unit and at least one light sensor, which are arranged inside a display device, and a cloud server, which is connected to the display device by means of a network, wherein the data processing center controls the temperature adjustment unit so that same carries out temperature adjustment; and the cloud server monitors and receives a reported temperature and light intensity, and adjusts a pre-set temperature and a pre-set light intensity. By means of the implementation of the present invention, a temperature can be determined according to an environmental condition, thereby realizing dynamic temperature adjustment; in addition, parameters of a temperature adjustment system can be dynamically adjusted in real time according to a change ...

Crusher for metal ore processing and operation method thereof

The invention discloses a crusher for metal mine processing and an operation method thereof. The crusher comprises a supporting base, a case, a reinforcing frame and an access door. Through cooperative use of the case, the first crushing roller, the second crushing roller, the filter plate, the spraying assembly and the air dispersing assembly, ores are poured from a hopper of the case, the first crushing roller performs primary crushing on the ores, the second crushing roller performs secondary crushing on the ores, and the crushed ores fall onto the filter plate; small broken stones and powder are filtered through a filter plate, a spraying pipe carries out dust falling through a spraying head, the broken stones and the powder enter an inner cavity of a collecting box, an air heater dries ores on the filter plate, and a heat dissipation fan exhausts hot air through an air dissipation pipe. The problems that dust and broken stone float along with air and are mixed in crushed ore, the ore ...

Chrysanthemum and honey fermented wine and preparation method thereof

The invention relates to the technical field of wine brewing, in particular to chrysanthemum and honey fermented wine and a preparation method thereof. The invention provides chrysanthemum and honey fermented wine, which is prepared from the following raw materials in parts by mass: 48 to 52 parts of chrysanthemum, 740 to 760 parts of honey water, 0.024 part of yeast, 0.015 to 0.017 part of pectinase, 1.15 to 1.25 parts of citric acid and 0.009 to 0.012 part of potassium metabisulfite. The chrysanthemum and honey fermented wine is low in alcoholic strength and suitable for daily drinking of people.

DISPLAY DEVICE

A display device, comprising an internal heat-dissipating channel, an external heat-dissipating channel, and a heat exchange part (400). The internal heat-dissipating channel is a channel with both ends closed, and is provided inside the display device to cool a part inside the display device. The heat exchange part (400) is provided between the internal heat-dissipating channel and the external heat-dissipating channel to cool air in the internal heat-dissipating channel and transfer heat generated during the cooling process to the external heat-dissipating channel. The external heat-dissipating channel is provided outside the display device and communicated with ambient air to transfer heat to the outside of the display device. Therefore, a limited space can be used to implement the cooling of the inside of a display device.

SMART FAN-STATE REAL-TIME DETECTION SYSTEM AND METHOD

The invention relates to a smart fan-state real-time detection system and method, said system comprising at least one fan and a fan power driving unit, further comprising a fan rotation speed monitoring unit, a data processing center and a cloud server. The cloud server is used to set a preset rotation speed of the fan; the data processing center is connected to the cloud server, receives a fan rotation speed control instruction, and sends control information to adjust the rotation speed of the fan; and the data processing center receives the actually detected rotation speed of the fan. The actually detected rotation speed and the preset rotation speed are compared, and a current fan state is determined according to the result of the comparison; and the fan state is reported to the cloud server. The present invention enables smart real-time detection for the fan state while occupying few internal resources without changing an existing circuit used for the fan, and can be applied to a variety ...

SMART REAL-TIME DYNAMIC COOLING SYSTEM AND METHOD FOR DISPLAY DEVICE

The present invention relates to a smart real-time dynamic cooling system and method for a display device, the system comprising at least one temperature sensor, at least one fan, a data collection unit and a fan power driving unit; and a data processing center, a rotation speed monitoring unit and at least one light sensor provided inside the display device, and a cloud server connected to the display device by means of a network. The data processing center acquires a preset rotation speed according to light intensity information, and adjusts the rotation speed of the fan according to a comparison result between the preset rotation speed and fan rotation speed information; and the data processing center receives temperature information and compares same with a preset temperature, and adjusts the rotation speed of the fan according to the comparison result. The cloud server monitors temperature information, light intensity information and rotation speed information, and adjusts the preset ...

METHOD FOR REMOVING PPCPS IN DRINKING WATER TREATMENT PROCESS

A method for removing PPCPs in a drinking water treatment process, and includes the following operations: introducing, by using a manner of bottom microporous aeration, mixture gas of O2 and O3 in which a volume percentage of O3 is 5% to 10% to an ozone contact reaction column (1) in which a cathode (3) and an anode (2) are disposed at the bottom, where a direct current is applied at two ends of an electrode; while the mixture gas is being introduced, adding, to the ozone contact reaction column (1), PPCPs containing water body to be treated, where the duration that the water stays is 10 s to 40 min, and discharging the water body in real time. Further disclosed is an application of the method for removing PPCPs in a drinking water treatment process in preparation of drinking water.

Customizable data access control method and system and computer readable storage medium

The invention discloses a customizable data access control method, a customizable data access control system and a computer readable storage medium, data encryption is carried out by adopting a public key, then a decryption key is customized by utilizing a private key matched with the public key, the key is generated by a data owner, and decentralized key generation is realized; moreover, the customized decryption key generated based on the attribute set S and the keyword set T limits which users can access the data and which data the users can access, so that the sharing of the data is safer and more flexible. The invention further provides a customizable data access control system and a computer readable storage medium.

Aluminum sheet production line punching die

... 本发明涉及铝板生产技术领域，尤其涉及种铝板生产线冲孔模具，包括模架及安装在所述模架的上模板和下模板，还包括安装在所述上模板内部的带顶针凸模，所述的带顶针凸模由具有中空的凸模、顶针、弹簧和螺塞构成，所述顶针和弹簧通过所述螺塞安装到所述凸模内。本发明的显著特点和有益效果就是采用了带顶针凸模，通过此凸模实现了在铝板上的均匀冲孔，具有效率高，结构简单和成本低廉优势。 ...

Preparation method and application of silicon-doped composite diaphragm

The invention discloses a preparation method and application of a silicon-doped composite diaphragm, and a porous silicon-doped polymer composite diaphragm is obtained by doping a Si-containing material with a PVDF-HFP polymer; the silicon-doped polyvinylidene fluoride hexafluoropropylene diaphragm has good thermal properties; meanwhile, the dopant and the diaphragm substrate material can form chemical bonding, so that the diaphragm has excellent mechanical properties; in addition, the silicon-doped material in the diaphragm can regulate and control the lithium metal negative electrode of the lithium metal battery, induce the growth of lithium silicon nanowires and inhibit the formation of lithium dendrites, so that the large deposition rate can be realized; the porous silicon-doped polymer composite diaphragm can enhance the mechanical stability and high-temperature stability of the diaphragm, realizes uniform lithium flux, forms three-position net-shaped silicon nanowires on negative ...

Verifiable federated learning device and method for security data aggregation in industrial control network

The invention discloses a verifiable federated learning device and method for security data aggregation in an industrial control network, and the method is based on the verifiable federated learning device for security data aggregation in the industrial control network, and comprises the steps: obtaining an initialized public parameter; determining key pairs of public and private key parts of the participants and the central server; determining a session key between the participant and the central server; determining a three-party negotiation key; obtaining an encrypted local gradient; obtaining an auxiliary verification label and a signature; obtaining proof information, an aggregation result and proof; and obtaining a verification result. According to the method, a double-hiding technology and a data encryption technology are adopted, the confidentiality and integrity of data can be ensured, a negotiation key between a server and a participant is generated in a lightweight three-party ...

Multi-server data transmission method suitable for Internet of Vehicles and capable of supporting hidden identities of users

The invention discloses a multi-server data transmission method suitable for the Internet of Vehicles and supporting the hidden identity of a user, which is characterized by comprising the following steps of: 1) defining a data transmission system structure; 2) initializing the system; 3) data processing; 4) judging the credibility of the sender; the method can prevent a third party from carrying out flow analysis, injection attack and time attack, reduces data transmission errors caused by network reasons when a new link is reestablished when the data link is congested, improves the stability in the transmission process, and can prevent malicious transmission in the communication process.

Domain name resolution method suitable for moving target defense

The invention discloses a domain name resolution method suitable for mobile target defense. The domain name resolution method comprises the following steps: 1) a domain name system continuously updates a device random address process; 2) a secret key negotiation process oriented to identity authentication; the method comprises the following steps of (1) network equipment identity authentication flow, (2) network equipment random address acquisition flow, (3) network equipment identity authentication flow, (4) network equipment random address acquisition flow and (5) network communication flow. The method is used for realizing convenient authentication and safety protection for the internet equipment on the basis of ensuring the internet network safety, and assisting in improving the safety of the next-generation internet equipment.

Subway station visual display device

The invention relates to the technical field of visual display, in particular to a subway station visual display device which comprises a base, a supporting seat is fixedly connected to the upper surface of the base, a frame is fixedly connected to the upper surface of the supporting seat, and four through grooves are formed in the outer surface of the frame. According to the device, the functions of the device are diversified, and the rigid needs of mother and baby passengers are met, so that the problems that the display effect of the device in a subway station is not ideal due to subconscious neglect of the passengers, and the function of the device is single due to the fact that an advertising board or a bulletin board is generally used as an accessory product and only serves as display are solved; and the device adjusts the position of the display module through the overturning module, the extension module and the rotating module, so that the placement positions of the maternal and ...

Device and method for measuring ionic conductivity of solid electrolyte

The invention relates to a device and a method for measuring the ionic conductivity of a solid electrolyte, the device for measuring the ionic conductivity of the solid electrolyte comprises: a middle insulating plate, the middle part of which is provided with a through opening along the thickness direction, and the opening is used for accommodating a solid electrolyte to be tested; the first conducting strip is arranged above the middle insulating plate and covers the opening, and the second conducting strip is arranged below the middle insulating plate and covers the opening; the electrochemical workstation comprises a working electrode, an induction electrode, a counter electrode and a reference electrode, the working electrode and the induction electrode are connected with the first conducting strip, and the counter electrode and the reference electrode are connected with the second conducting strip. The device for measuring the ionic conductivity of the solid electrolyte can simply ...

Cement paste retarder as well as preparation method and application thereof

The invention provides a cement paste retarder and a preparation method and application thereof, and the preparation method comprises the following steps: adding an initiator into a raw material solution, heating to 60-70 DEG C, and initiating a polymerization reaction to obtain the cement paste retarder, wherein the raw material solution comprises styrene sulfonate, an organic phosphorus scale inhibitor, (methyl) hydroxyl acrylate, unsaturated binary acid, 2-acrylamide-2-methylpropanesulfonic acid and deionized water, and the pH value of the raw material solution is 6-7. As a cement paste component for well cementation of oil and gas wells, the retarder can reduce the viscosity, delay the thickening speed of cement paste and prolong the pumpable time, does not settle under a high-temperature condition, and has a good well cementation effect.

Thermally responsive cement and cement paste

Thermally responsive cement and cement paste are provided. The thermal response cement comprises the following components: a thermal response material and a high-temperature-resistant ductile material, wherein the weight of the high-temperature-resistant ductile material is 6-10% of that of the thermal response material; the thermal response material is prepared from the following components in parts by weight: 100 parts of G-grade oil well cement, 40 to 60 parts of silicon powder, 2 to 10 parts of micro silicon, 0.5 to 2 parts of white carbon black and 10 to 20 parts of superfine slag powder; every 100 parts by weight of the high-temperature-resistant tough material comprises the following components: 10-30 parts by weight of latex powder, 20-40 parts by weight of rubber powder and 30-70 parts by weight of organic silicon resin. The thermal response cement provided by the invention can meet the requirements of a heavy oil thermal production well on high-temperature heat fading resistance ...

Train operation parameter determination and braking parameter determination and control method and device

The invention relates to the technical field of intelligent driving, in particular to a train operation parameter determination method, a train braking parameter determination method, a train control method, a train control system and device, computer equipment and a storage medium. The train operation parameter determination method is applied to a first train in a virtual marshalling. The method comprises the steps that the spacing distance, sent by a sensing system, between the first train and a second train is obtained in real time; determining a second position of the second train at the current moment according to the first position of the first train at the current moment and the spacing distance at the current moment; and the second speed of the second train is determined according to the variable quantity of the spacing distance between the current moment and the previous moment and the first speed of the first train. The technical problem that at present, the train operation safety ...

Fresh flower rapid dehydration device for chrysanthemum tea processing

The invention discloses a rapid flower dehydration device for chrysanthemum tea processing, which comprises a processing cylinder, the processing cylinder is provided with a cylindrical structure and a support seat arranged at the bottom of the processing cylinder, one end of the processing cylinder is provided with a driving motor, the outer side of the driving motor is fixedly connected with the outside of the processing cylinder through a reinforcing support, and the outer side of the driving motor is fixedly connected with the outside of the processing cylinder. The bottom of the processing cylinder is communicated with a water outlet pipe; the rotary supporting frame is of a cylindrical structure, and one end of the rotary supporting frame is fixedly connected with the output end of the driving motor; the spin-drying device is used for dehydrating the fresh flowers, the spin-drying device comprises a spin-drying cylinder and filter holes, and the fresh flowers placed in the spin-drying ...

Piezoresistor and preparation process thereof

The invention provides a piezoresistor and a preparation process thereof, and relates to the technical field of semiconductor electronic materials. The ceramic material system of the piezoresistor is prepared from the following raw materials in parts by weight: 80 to 93 parts of zinc oxide, 2 to 6 parts of bismuth trioxide, 1 to 6 parts of antimony trioxide, 0 to 2 parts of chromium sesquioxide, 0.5 to 0.7 part of manganese dioxide, 0.5 to 2.5 parts of titanium dioxide, 0.5 to 1 part of cobalt sesquioxide, 0.5 to 3 parts of silicon dioxide, 0.4 to 0.6 part of nickel oxide, 0.05 to 0.08 part of aluminum nitrate, 0.05 to 0.825 part of indium oxide and 0.05 to 0.1 part of yttrium oxide. The piezoresistor ceramic disclosed by the invention has the characteristics of high gradient, low residual voltage, large through-current capacity, small leakage current and stable aging performance.

Asynchronous block chain fragmentation system

The invention discloses an asynchronous block chain fragmentation system, and relates to the field of block chains, in the system, an application layer is used for constructing a transaction model according to transaction information submitted by a user, storing user transactions and regularly inputting the user transactions into a consensus layer for consensus; the consensus layer is used for performing consensus on transactions based on an on-chip transaction consensus protocol and a cross-chip transaction consensus protocol determined by a HoneyBadgerBFT protocol; and the data storage layer is used for generating a directed acyclic graph account book from the user transaction and storing the directed acyclic graph account book. According to the invention, cross-piece transactions and parallel execution transactions can be supported.

Method for modifying positive electrode material by reducing compound and high-performance lithium battery

The invention relates to a method for modifying a positive electrode material by using a reducing compound and a high-performance lithium battery, and provides a method for modifying the positive electrode material by using the reducing compound, which comprises the following steps of: dissolving the reducing compound in a solvent in a protective atmosphere to obtain a precursor solution for modifying the positive electrode material, adding the positive electrode material into the precursor solution, and uniformly stirring to obtain a modified positive electrode material; the reducing compound reacts with the positive electrode material and forms a layer of amorphous coating on the surface of the material particle in the process of oscillating, mixing and reacting for a period of time, the modified positive electrode material is obtained, the modified positive electrode material particle is of a core-shell structure, the outermost layer is the amorphous coating, and the core of the inner ...

Osmanthus honey wine and preparation method thereof

The invention relates to the technical field of wine brewing, in particular to sweet-scented osmanthus honey wine and a preparation method thereof. The invention provides sweet-scented osmanthus honey wine. The sweet-scented osmanthus honey wine is prepared from the following raw materials in parts by mass: 49 to 51 parts of sweet-scented osmanthus, 749 to 751 parts of honey water, 0.024 part of yeast, 1.15 to 1.25 parts of citric acid, 0.015 to 0.017 part of pectinase and 0.008 to 0.012 part of potassium metabisulfite. The sweet osmanthus honey wine has the advantages of being good in taste, low in alcoholic strength and high in nutritional value, the dosage of additives is small, and the sweet osmanthus honey wine is suitable for most people to drink.

Lagerstroemia indica honey wine and preparation method thereof

The invention relates to the technical field of wine brewing, in particular to crape myrtle honey wine and a preparation method thereof. The invention provides crape myrtle honey wine. The crape myrtle honey wine is prepared from the following raw materials in parts by mass: 48 to 52 parts of crape myrtle flowers, 740 to 760 parts of honey water, 0.024 part of yeast, 1.15 to 1.25 parts of citric acid, 0.009 to 0.012 part of potassium metabisulfite and 0.015 to 0.017 part of pectinase. The crape myrtle honey wine prepared by adopting the formula provided by the invention conforms to the current drinking culture, for example, the crape myrtle honey wine has the advantages of low alcoholic strength and good taste, and the wine body is bright in color and purple red.

Electrochemical electrolytic cell with high-stability cathode

The invention provides an electrochemical electrolytic cell with a high-stability cathode. The electrochemical electrolytic cell comprises the cathode, an anode and a porous solid electrolyte layer arranged between the cathode and the anode, wherein the cathode comprises a cathode collector plate, a gas diffusion layer, a cathode electro-catalysis layer and an anion exchange membrane which are arranged in sequence, and the anion exchange membrane contains a membrane casting reinforcing agent; the anode comprises an anode collector plate, an anode electro-catalysis layer and a cation exchange membrane which are arranged in sequence; the porous solid electrolyte layer is arranged between the cation exchange membrane and the anion exchange membrane. According to the electrochemical electrolytic cell with the high-stability cathode, the casting membrane reinforcing agent is added into the anion-exchange membrane, so that the stability of the anion-exchange membrane is effectively improved, ...

Automatic control system based on autonomous learning rule

The invention discloses an automatic control system based on an autonomous learning rule. According to the technical scheme, the automatic control system is characterized by comprising an equipment unit and a rule unit, and the rule unit is connected with the equipment unit; the equipment unit comprises a data module and a control module; the data module is used for storing historical data and providing the historical data for the rule unit; the rule unit is used for performing trend analysis according to historical data and generating a control signal; the control module is connected with the rule unit and used for the rule unit to reversely control the equipment unit, and the automatic control system can achieve automatic control, eliminate uncertain factors and improve production quality and productivity.