355results about How to "Easy to know" patented technology

The invention discloses an intelligent environmental sanitation information management device, which comprises a placement seat, a touch display screen, a main control circuit board and a detachable circuit board, and is characterized in that the main control circuit board is provided with a control chip, a first communication unit and a lithium battery pack, and the detachable circuit board is welded with a fingerprint identification module and a second communication unit; a bidirectional pushing assembly is arranged in the placing seat, and a side mounting hole is formed in the left side of the placing seat. The fingerprint identification module has the following advantages and effects: the fingerprint identification module is welded on the detachable circuit board, and the plug-in circuit board and the side mounting hole are detachably mounted, so that subsequent disassembly of the plug-in circuit board is facilitated, and repair or replacement after a fault occurs is facilitated; and through the arrangement of the bidirectional pushing assembly, the detachable circuit board can be locked, and the detachable circuit board can be pushed out of the side mounting hole or hidden in the placement seat.

The invention relates to the field of electrical equipment, and discloses a knob device, electrical equipment, a verification method and a computer readable storage medium. The knob device performs self-inspection through a two-dimensional detection mode, so that a user monitors the current damage condition of the knob device, the reliability and accuracy of signals of the knob device are approved, and control disorder caused by the fact that the user does not find that the knob device is continuously used in advance due to damage of the knob device is reduced. The rotary knob device comprises a panel, a rotary knob piece, magnetic induction detection assemblies and an optical detection assembly, the rotary knob piece is magnetically attracted to the panel and can rotate relative to the panel, the magnetic induction detection assemblies are arranged on the two sides of the panel, and the magnetic induction detection assemblies are used for detecting the rotation angle of the rotary knob piece through magnetic induction intensity signals; the optical detection assemblies are arranged on the two sides of the panel and used for detecting the rotation angle of the rotary knob piece through light intensity signals.

The invention provides a vehicle door handle control method and device, electronic equipment, a vehicle and a storage medium, and the vehicle door handle control method comprises the steps that when a vehicle door handle closing signal is received, a timer is started for timing, and a first timing duration is obtained; when the first timing duration is smaller than a first duration threshold value, whether a hand stays on the automobile door handle or not is judged; if yes, controlling the timer to time again; if not, controlling a timer to continue timing to the first duration threshold value; and when the first timing duration reaches a first duration threshold value, a vehicle door handle is controlled to execute a closing action so as to delay the closing time of the vehicle door handle. The hidden door handle is used for solving the technical problem that the hidden door handle is prone to pinching hands, the use safety of the hidden door handle is improved, and the problem that the hands are pinched by the door handle is reduced.

The invention relates to the technical field of cable defect monitoring, and discloses a composite cable defect monitoring device and a monitoring method thereof.The composite cable defect monitoring device comprises a pushing mechanism, a clamping detection mechanism is fixedly installed at the upper end of the pushing mechanism, a moving mechanism is arranged at the upper end of the clamping detection mechanism, and a supporting mechanism is arranged in the pushing mechanism; the pushing mechanism comprises a mounting base, a moving cavity is formed in the mounting base, the composite cable to be used is sleeved with the clamping ring, then the clamping ring is driven to move on the composite cable, the infrared optical detector is used for monitoring the clamping ring, and when it is detected that the composite cable is damaged, the infrared optical detector is used for detecting the damage of the composite cable. When the device is damaged, the driving motor stops running to stop the device at the damaged position, and meanwhile, a signal is transmitted to the audible and visual alarm for audible and visual alarm, so that monitoring personnel can conveniently know the position and process the position, the state of the wound and transported composite cable is monitored and confirmed, and then subsequent use of the composite cable is facilitated.

The invention discloses inflatable overtopping flood drainage protection equipment, and belongs to the technical field of flood drainage, the inflatable overtopping flood drainage protection equipment comprises a concave mounting seat, a bridge plate is mounted at the top of the concave mounting seat, a mounting plate is mounted on the inner wall of the bottom of the concave mounting seat, and a water baffle is rotatably connected to the mounting plate; and the water diversion mechanism is installed on the water baffle, two containing grooves are formed in the rear side of the concave installation base, compression bottles are placed in the containing grooves, cover plates are rotationally connected to the inner walls of the containing grooves, the cover plates are matched with the compression bottles, and the compression bottles are matched with the water diversion mechanism. And through arrangement of a floating plate and cooperation of a push rod and a stop rod, when the water level rises, the floating plate can be driven to rise, and a wedge-shaped plate is pushed to move upwards, so that a water baffle is conveniently opened, and automatic pressure relief and water prevention are facilitated.

The invention provides a hoisting pulley, and relates to the technical field of hoisting. A lifting hook and a steel wire rope are mounted on the pulley assembly; the positioning assembly is installed on the pulley assembly and used for positioning the combined pulley assembly. The detection assembly is installed on the pulley assembly and used for detecting the abrasion degree of the pulley assembly. The protection assembly is mounted on the pulley assembly and is used for protecting the detection assembly; the upper movable detection head is in contact with the steel wire rope, the lower movable detection head is in contact with the lifting hook, and the two movable detection heads are in clearance fit connection with the rectangular mounting block. According to the hoisting pulley, a worker can conveniently replace seriously-abraded accessories in time, and the safety in the hoisting process is improved; the hoisting pulley solves the problems that when the pulley and a lifting hook are seriously abraded, workers cannot find the abrasion in time, replacement of accessories is prone to being delayed, and potential safety hazards exist in the hoisting process.

The embodiment of the invention discloses a health monitoring method and device for a memory, electronic equipment and a storage medium. The method is applied to the electronic equipment, the electronic equipment comprises a memory, a target storage space is arranged in the memory, the target storage space has a single-layer storage unit (SLC) characteristic, and the target storage space is used for storing the data writing amount of the memory. The method comprises the following steps: reading the current data writing quantity of the memory from the target storage space; if the current data write-in quantity meets a write-in alarm condition, generating health alarm information for the memory; wherein the write-in alarm condition is determined according to the maximum data write-in quantity of the memory. According to the health monitoring method and device of the memory, the electronic equipment and the storage medium, the health condition of the memory can be evaluated more accurately, and the evaluation modes of the health condition of the memory are enriched.

The invention relates to the technical field of wearable equipment, and discloses a tightness adaptive adjustment method and system for a wearable terminal, and the method comprises the steps: obtaining the work and rest rule information of a user, and determining the activity time periods corresponding to a plurality of daily activity states of the user, so as to generate a state time period form; obtaining a current time node and terminal dynamic data to determine an actual activity state of the user; acquiring wrist circumference data of the user, matching the target watchband length and the positioning identifier of the corresponding available positioning structure based on the wrist circumference data and the actual activity state, and setting the matching result as a target positioning identifier; generating a watchband adjustment signal based on the target positioning identifier and sending the watchband adjustment signal to the wearable terminal; the method has the effect of improving the tightness adjustment scientificity of the wearable terminal.

The utility model discloses a pen clip pressing pen which comprises a pen body, a pen core is arranged in a cavity of the pen body in a sliding mode, a spring used for applying force stretching into the cavity of the pen body to the pen core is arranged between the pen core and the pen body, and the two ends of the spring abut against the pen body and the pen core respectively. The two ends of the pen clip are hinged to the side face of the pen body, and when the pen clip vertically rotates relative to the pen body, the pen clip drives the refill to stretch out of or stretch into the pen body through a telescopic locking mechanism; wherein when the refill on the pen body is in a retracted state, the pen clip is obliquely arranged relative to the pen body. According to the utility model, the fluency and effectiveness of refill state switching operation are guaranteed, and the use convenience of the pen is improved.

The invention discloses a low-voltage power utilization inspection load identification device, which relates to the technical field of power utilization inspection and comprises a load monitor body, and a control panel is arranged at the top of the load monitor body. During use, the magnetic isolation cover shields part of electromagnetic interference firstly, and when the magnetic field of the electromagnetic interference reaches the square rubber ring, the hydroxyl iron powder particles are magnetized under the action of the magnetic field to offset part of the external magnetic field. And the square rubber ring adopts a rubber material as a base body, so that the overall anti-electromagnetic interference performance can be improved. The pull plate is moved downwards, the pull rod drives the connecting plate and the limiting rod to move downwards, then one end of the tooth binding strip is pulled, the tooth binding strip is tightened, the square rubber ring is tightly attached to the joint of the load monitor body and the shell, tightness is improved, the electromagnetic interference prevention effect can be improved, and the influence on data acquisition accuracy is reduced.

The utility model relates to the technical field of building materials, in particular to a pervious concrete performance testing device which comprises a base, a testing barrel and a top housing. An electric inflator pump is mounted on one side of the test barrel through a mounting seat, and a timer is mounted at the lower end of the electric inflator pump through a screw; a pressure gauge is installed at one end of the testing barrel through a screw, a feeding and discharging opening is formed in the top end of the testing barrel, a butt joint disc B is arranged at the top of the feeding and discharging opening, a butt joint disc A is clamped to the top of the butt joint disc B, and a top cover shell is arranged on the inner side of the butt joint disc A; the pervious concrete performance testing device is convenient for increasing the pressure of a water body on a sample, increasing the speed of the water body entering the sample, and automatically giving an alarm after a set time is reached.

This utility model relates to the field of hydraulic oil tank technology, specifically a hydraulic oil tank for a marine EHA power unit, comprising a tank body, an inlet, and a return outlet. The inlet is located at the top of the tank body, and a vent is located on one side of the inlet. A return outlet is located on one side of the top of the tank body. A filter screen limiting groove is provided in the return outlet, and a metal filter screen is installed in the filter screen limiting groove by screws. A sealing cap is installed at one end of the return outlet by clamping bolts. A return pipe is connected to one side of the sealing cap, and a sealing valve B is provided on the return pipe. An oil pump is installed on one side of the bottom of the tank body via a mounting base. The hydraulic oil tank for a marine EHA power unit facilitates the filtering of solid particles in the hydraulic oil, improves purity, facilitates recycling, and makes it easy to clean or replace the metal filter screen.

The present invention relates to a safe, and in particular to an explosion-proof safe with high security. The present invention provides an explosion-proof safe with high security that prevents injuries to people and avoids property losses. An explosion-proof safe with high security comprises a safe, a revolving door, a first cover plate, a lifting mechanism and a pushing mechanism. Ventilation holes are provided on both the left and right sides of the lower part of the safe. A revolving door is rotatably provided on the front side of the safe. A first cover plate is provided on the front side of the middle part of the revolving door. A lifting mechanism for protecting is provided inside the safe. A pushing mechanism for locking the revolving door is provided inside the revolving door. The present invention starts a fan to cool down inflammable and explosive items; the first sliding plate moves downward to reset and close the ventilation holes on the safe, so as to prevent the impact force generated when the inflammable and explosive items explode from rushing out of the ventilation holes on the safe and damaging surrounding items, causing property losses, or accidentally injuring people.

The utility model relates to the technical field of aluminum veneer production, and discloses an environment-friendly smelting furnace flue gas treatment device for aluminum veneer production, which comprises a bottom plate, and the left side of the top of the bottom plate is fixedly connected with a treatment box. Through the arrangement of the stirring assembly, a gas outlet in the lower end of the gas inlet pipe can be stirred, so that entering gas is scattered fully to be in contact with water to be cooled, meanwhile, impurities of flue gas are fully adsorbed, through the arrangement of the circulating box and the filter screen, cooling water can be filtered, the impurities in the water can be filtered, and the cooling effect is improved. Through the arrangement of the ice adding box, cooling water can be subjected to ice adding and cooling, the subsequent cooling effect on waste gas is ensured, through the arrangement of the treatment assembly, the cooled waste gas can be dehumidified, then filtered and finally discharged out of the treatment box, and through the arrangement of a temperature sensor, the temperature of the cooling water in the ice adding box can be tested in real time; a user can conveniently know the water temperature, and ice can be conveniently added for cooling in time.

The utility model provides a rigid-flexible mixed fiber recycled concrete bending test device which comprises a machine frame, a supporting frame is installed on the machine frame, a telescopic rod is arranged on the supporting frame, a compression roller is arranged at the telescopic end of the telescopic rod, two sets of installation bases are arranged on the machine frame in a sliding mode, and bearing rollers which are rotatably installed through installation shafts are arranged on the installation bases. A bearing platform is arranged on the bearing roller, a baffle is arranged on one side of the bearing platform, an indicating assembly is arranged on the rack in a sliding mode, the indicating assembly is connected with the mounting shaft so as to indicate the rotating angle of the mounting shaft, and a supporting assembly is arranged on the mounting base and connected with the bearing platform so as to drive the bearing platform to reset. When a test is carried out, the bearing roller can be driven to rotate through the bearing platform in the bending process of concrete, the mounting shaft is driven to rotate in the rotating process of the bearing roller, the rotating angle of the mounting shaft can be indicated through the indicating assembly, and therefore a worker can conveniently and visually know data obtained through the test.

The utility model discloses a kind of inner diameter measuring devices of high-power cylinder sleeve, comprising: back-shaped base, its top middle place is fixedly connected with the center tube of top end as plugging structure;PLC controller, fixedly installed on back-shaped base top inner wall.This utility model is by being provided with a series of structures, it is convenient to from inside to outside to the above and below two rows of high-power cylinder sleeve eight-point accurate control pressure bracing, realize adaptive to high-power cylinder sleeve bracing positioning and automatically positioning centering work, without additionally separately to high-power cylinder sleeve centering, and avoid the phenomenon that too small pressure leads to ineffective bracing positioning or too large pressure leads to deformation damage, it is convenient to apply to the bracing work of the safety of high-power cylinder sleeve of different thickness, improve applicability, and can be integrated automatically measured and displayed radius when automatically bracing positioning and centering, so that personnel simple calculation knows its inside diameter, realize the effect of conveniently accurate and fast measurement of the inner diameter of the large size of high-power cylinder sleeve.

The invention discloses an aircraft production and operation unit performance evaluation method and system, and the method comprises the steps: S1, constructing an evaluation index system and historical sample evaluation data, and carrying out the data normalization processing of the historical sample evaluation data; s2, an index weight assignment model is constructed, the normalized historical sample evaluation data are input into the historical sample evaluation data, and the index weight assignment model comprises four calculation modules which respectively obtain weights A1-A4 of indexes; s3, constructing a combination evaluation model based on deviation maximization, and calculating to obtain a combination evaluation weight corresponding to the index; s4, constructing a topological network by taking the indexes as network nodes, and correcting the weights of the indexes through the topological network; and S4, evaluating based on the evaluation index system to obtain evaluation data of each index, and calculating to obtain an efficiency evaluation result. Effective evaluation of the event investigation efficiency of the aircraft production and operation unit is realized, the efficiency condition can be known conveniently, and the core investigation capability and the safety management efficiency can be improved.

The invention provides a visual monitoring device for a ring main unit, belongs to the technical field of ring main units, and solves the technical problems that an existing ring main unit monitoring device cannot perform automatic visual monitoring and warning on a ring main unit door and cannot perform multiple protection on core parts of the ring main unit. A visual monitoring device for a ring main unit comprises a cabinet body and a frame body installed in the cabinet body, the surface of the frame body is rotatably connected with a cabinet door, and the cabinet door is connected with a protection frame through a pulling assembly. According to the invention, through the connection of the first push switch and the cabinet door, the illuminating lamp can be lightened when the cabinet door is opened, and through the transmission arrangement of the cabinet door and the door opening transmission assembly, the camera can be synchronously opened, so that the state of the cabinet door can be conveniently monitored in real time; according to the ring main unit, dispatching personnel and operation and maintenance personnel can conveniently know the state information of the cabinet door of the ring main unit at the first time, and the cabinet body is synchronously monitored in real time through synchronous opening of the camera, so that the state of the ring main unit is sensed in real time.

A driving test room simulation supervision system disclosed by the present invention comprises a monitoring background, a vehicle-mounted terminal, a vehicle-mounted igniter and a vehicle-mounted charging payment terminal, the monitoring background is connected with the vehicle-mounted terminal, the vehicle-mounted igniter and the vehicle-mounted charging payment terminal, the vehicle-mounted terminal is connected with the vehicle-mounted igniter, and the vehicle-mounted igniter is connected with the vehicle-mounted charging payment terminal. Through the arrangement of the vehicle-mounted charging payment terminal, the vehicle-mounted terminal monitoring background and the vehicle-mounted igniter, the vehicle can be automatically controlled to be turned on after the simulated fee is paid, and the vehicle can be automatically controlled to be turned off after training simulation is completed, so that the situation that the trainees miss to pay the fee can be effectively avoided, charging data can be in one-to-one correspondence with actual training personnel, and the training efficiency is improved. In addition, through the arrangement of the CGP positioning module and the vehicle information monitoring display module, the condition of the vehicle can be automatically monitored and broadcasted to personnel, so that the personnel can conveniently and visually know the condition of the vehicle, and students can conveniently and trustingly train and simulate.

The utility model relates to the field of rubber adhesive production, and discloses a stirrer for rubber adhesive production, which comprises a bottom cover, a bearing table, a stirring barrel and a pressure tank, a servo motor is mounted at one end of the bottom of the bearing table through a mounting seat, and an output shaft of the servo motor is sleeved with a driving bevel gear; the other end of the bottom of the bearing table is sleeved with a rotating shaft through a bearing, the bottom end of the rotating shaft is sleeved with a driven bevel gear, the top of the bearing table is provided with a stirring barrel through a U-shaped frame, the main body part of the rotating shaft is located in the stirring barrel, and stirring blades are installed on the outer side of the rotating shaft at equal intervals through screws; a positioning plate is welded to one end of the top of the bearing table, and a top plate is welded in a reserved opening of the positioning plate. The novel stirrer for producing the rubber adhesive is high in discharging efficiency, does not have the phenomenon of material blockage, can actively discharge materials by continuously increasing the air pressure in the stirring barrel, and is suitable for wide popularization and application.

The utility model relates to the technical field of sleep monitoring, in particular to a flexible sleep monitoring device which comprises a Bluetooth master control MCU (Microprogrammed Control Unit), and an electroencephalogram sensor, an attitude sensor and a digital microphone which are in signal connection with the Bluetooth master control MCU, the Bluetooth master control MCU is connected with the electroencephalogram sensor through an SPI interface and an ADC interface, the SPI interface is used for the Bluetooth master control MCU to configure an internal register of the electroencephalogram sensor, and the ADC interface is used for the Bluetooth master control MCU to obtain electroencephalogram signals sampled by the electroencephalogram sensor; the attitude sensor is used for acquiring sleep attitude information of a user; the digital microphone is used for acquiring a snore audio signal when a user sleeps; and the Bluetooth master control MCU compresses the acquired brain wave signal, the sleep posture information and the snore audio signal and then uploads the compressed signals to a cloud end through Bluetooth. The sleep state of the user is analyzed through the three kinds of state data information, data sources are more, and analysis of the sleep state of the human body is more accurate.

The utility model relates to the technical field of white oil production, and discloses a white oil hydrogenation device which comprises a base, a hydrogen tank, a supporting plate and a heating box, a hydrogen tank is mounted at the top of the base through bolts, a supporting plate is mounted on one side of the hydrogen tank through bolts, an air suction pump is mounted at the top of the supporting plate through bolts, and an air inlet of the air suction pump communicates with the hydrogen tank through an output main pipe. A heating box is installed at one end of the air suction pump through a bolt, a snake-shaped heat exchange copper pipe is arranged in the heating box through a positioning frame, the input end and the output end of the snake-shaped heat exchange copper pipe penetrate through the heating box, an electric heater is installed on one side of the heating box through an installation hole, and a temperature controller is installed at one end of the electric heater through a screw; the heated hydrogen can improve the reaction rate, the conveying flow of the hydrogen can be conveniently detected through the flow meter, and the valve can be timely closed when the value required by the reaction is reached.

The invention relates to the technical field of ecological restoration, and discloses a water environment ecological restoration device not prone to toppling, which comprises an adult aquatic plant bearing mechanism, an air pumping external connection mechanism is arranged at the bottom of the adult aquatic plant bearing mechanism, and a supporting and fixing mechanism is arranged at the bottom of the air pumping external connection mechanism. A spreading growth bearing mechanism is arranged on the surface of the supporting and fixing mechanism, and a traction and fixing mechanism is arranged at the top of the adult aquatic plant bearing mechanism. When the water environment ecological restoration device not prone to toppling is used, purification plants are borne and fixed through the adult aquatic plant bearing mechanism, water flow with large impact force is blocked through the flow blocking protection mechanism, the device is fixed through the supporting fixing mechanism and the traction fixing mechanism, and the stability of the device is guaranteed; and the benthic plants are borne and fixed through the spreading growth bearing mechanism, it is guaranteed that after the benthic plants grow, secondary reinforcement is formed on the device, and it is guaranteed that the device can adapt to growth aggravation of the purification plants.

Embodiments of the present application provide a method for obtaining user residence ratio, which comprises: generating a residence ratio list based on basic information; calculating SA residence duration of SA cells; generating a user list corresponding to each cell and a cell list corresponding to each user according to residence information of 5G SA users in each cell; calculating LTE residence duration of SA cells; and comprehensively calculating cell-level residence ratio of 5G and 4G cells. Through signaling segmentation technology, the jumping information of users between 4 / 5G networks is simulated to form the trajectory of the movement of the users jumping between 4 / 5G networks. Cell-level user residence ratio can be calculated, and the cell-level user residence ratio has more definite directionality and accuracy, which can more effectively guide network optimization engineers to perform accurate optimization.

The invention discloses an oil and gas pipeline flame arrester with a self-cleaning function, belongs to the field of flame arresters, and can realize that in the use process of the pipeline flame arrester, if inflammable gas in a pipeline is ignited, gas flames can be spread into a flame arresting core base, a first flame arresting core pipe orifice, a second flame arresting core pipe orifice and a third flame arresting core pipe orifice; according to the invention, the generated flame is changed into a plurality of fine flames after passing through a plurality of fine channels which are distributed in a staggered manner, and the flame gradually consumes the combustion energy on the walls of the channels through heat transfer, so that the temperature of the flame is reduced to be below an ignition point, and the flame is prevented from spreading; and the cleaning mechanism adsorbs particle dust and combustion impurities in the pipeline gas and cleans the inner walls of the fire-retardant core base, the first fire-retardant core, the second fire-retardant core and the third fire-retardant core, so that the situation that the channel wall is blocked due to coverage of the combustion impurities after long-time use of the fire-retardant core base, the first fire-retardant core, the second fire-retardant core and the third fire-retardant core is prevented.

The present invention discloses a fire extinguishing alarm device for a high-voltage switch cabinet, which relates to the field of electrical safety technology. To solve the technical problem that it is difficult for existing detection devices to detect a fire in the first time. A fire extinguishing alarm device for a high-voltage switch cabinet, comprising a mounting plate, the mounting plate is fixedly connected with an electric slide rail, the electric slide rail is slidably connected with a mounting block through a slider, a battery, a control terminal and a buzzer are installed in the mounting block, the control terminal in the mounting block is connected to a remote control terminal through the Internet of Things, and the battery is electrically connected to the switch cabinet and the control terminal, and a flame sensor and a smoke sensor are installed in the mounting block. The present invention drives the flame sensor and the smoke sensor to detect the temperature and smoke in the switch cabinet through the slider of the electric slide rail, so as to avoid the flame sensor and the smoke sensor staying in a corner of the switch cabinet, which makes it difficult to detect the temperature of the switch cabinet and the location of the fire in the first time.

The utility model relates to the technical field of reinforcement of cast-in-place concrete piles, and particularly discloses a tool for core drilling and reaming of cast-in-place concrete piles, which comprises a connecting shaft, a guide drill bit, a rotary agent discharging mechanism, a rotary agent discharging mechanism and a rotary agent discharging mechanism. The rotary agent discharging mechanism is used for inhibiting flying dust generated when the guide drill bit performs core drilling and hole expanding on the cast-in-place pile and is located in the guide drill bit; by means of the positioning guide mechanism, reaming eccentricity is avoided when a guide drill bit conducts core drilling and reaming on a cast-in-place pile, cutting and enlarging are conducted on an original hole wall through the reaming wall breaking mechanism, dust suppressants can be automatically sprayed through the effect of the rotary agent discharging mechanism, raised dust generated during core drilling and reaming is restrained, and the drilling efficiency is improved. And raised dust is prevented from falling into the air along with the wind, so that working of workers is facilitated, and the working efficiency of core drilling and reaming of the cast-in-place pile by the workers is improved.

The invention discloses a device and method for testing aerosol sedimentation of a pressurized water reactor under a vibration accident, which relates to the technical field of reactor simulation experimental equipment, including a container, a vibration generating unit, an aerosol generating unit, an aerosol detecting unit and a temperature controlling unit. The invention can detect the diffusion and migration of aerosols in a pressurized water reactor containment under vibration conditions, fully simulates the sedimentation changes of aerosols in the containment under earthquake accidents, and is convenient for technical personnel in this field to know the conditions of aerosols suspended in the pressurized water reactor according to the quantity and particle size of aerosols in the pressurized water reactor containment, and further can judge the harm that the pressurized water reactor will cause to the external atmospheric space under accident conditions, and take corresponding protective measures, which is beneficial to protecting the safety of personnel and property and reducing property losses.

The utility model relates to the technical field of machine tool machining, in particular to a chuck for machine tool machining, which comprises an anti-slip base, a gas tank, a support plate and a chuck, the support plate is welded at one end of the top of the anti-slip base, the gas tank is sleeved on the support plate, and an electric inflator pump is mounted at one end of the gas tank through a mounting seat. A semiconductor chilling plate is mounted on one side of the gas tank through a mounting opening, and a pressure gauge is mounted on the other side of the gas tank through a screw; an electric hydraulic cylinder is mounted at the upper end of the supporting plate through a mounting opening, an electric cylinder controller is mounted on one side of the top end of the electric hydraulic cylinder through a screw, an air chamber is mounted on an output shaft of the electric hydraulic cylinder through a positioning plate, and the other end of the air chamber communicates with a communicating cylinder. A chuck is mounted at the other end of the communicating cylinder through a fixing plate; the novel chuck for machine tool machining facilitates efficient heat dissipation of a shaft body workpiece in the machining process, improves the machining efficiency and is suitable for wide application and popularization.

The invention relates to the technical field of computers, and discloses a request processing method and device, electronic equipment and a storage medium, and the method comprises the steps: receiving an interaction request initiated by a first account to a second account; obtaining summary information of the second account in response to the interaction request; if the summary information of the second account comprises the first mark, refusing the interaction request, and sending first prompt information to the first account; the first prompt information is used for prompting that the second account is in a logout retention period; within the logout retention period of the second account number, the second account number is in a state of allowing login; the first mark is added in summary information of the second account by the server in response to an account logout request for the second account; according to the method and the device, a rollback mechanism is ensured to exist in account logout, and invalid waiting in a process of interaction between the initiator and the account in the logout retention period can be avoided.