摄像机（V6-II(GD)）

架空线路监控装置（P10）

钻孔摄像镜头成像居中器

Electronic cigarette atomization core, preparation method of electronic cigarette atomization core and electronic cigarette

The embodiment of the invention provides an electronic cigarette atomization core, a preparation method of the electronic cigarette atomization core and an electronic cigarette, the electronic cigarette atomization core comprises a porous ceramic body and a heating body arranged on the porous ceramic body, the porous ceramic body comprises zirconium oxide powder, and the average particle size of the zirconium oxide powder is 25-200 microns.

CT (Computed Tomography) electricity-taking camera power supply management method and device, terminal and readable storage medium

The invention discloses a CT (Computed Tomography) power-taking camera power management method and device, a terminal and a readable storage medium, if the current maximum output power is greater than the sum of the power requirement of a controller and the power requirement of a camera device, the current electric energy is sufficient, and a battery of a CT power-taking camera is charged, otherwise, the CT power-taking camera is charged. If the current electric energy does not meet the power requirement of the controller and the power requirement of the camera device at the same time, only the battery is charged, the current electric quantity value of the battery is judged, and the working mode of the CT power-taking camera is determined, so that the condition of sudden off-line shutdown caused by insufficient electric quantity is avoided; and meanwhile, due to regular power-on and reasonable video recording duration, when the power grid fluctuates, the camera not only can perform monitoring ...

DATA TRANSMISSION METHOD AND DEVICE

The present application provides a data transmission method and device. The method comprises: acquiring important bits in the N-th data frame, wherein N is an integer greater than or equal to 1, the number of important bits in the N-th data frame is less than the number of bits in the N-th data frame, and the remaining bits in the N-th data frame, except the important bits, are unimportant bits in the N-th data frame; and sending the important bits in the N-th data frame and not sending the unimportant bits in the N-th data frame. In this way, on the premise of guaranteeing speech intelligibility, a sending end device reduces the data transfer volume to the greatest extent by merely transmitting important bits, thereby improving the transmission reliability and coverage.

PTC heater safety control system based on relay

The invention discloses a PTC heater safety control system based on a relay, and the system comprises a high-voltage relay which is connected with a PTC heating body in series; the temperature control switch is installed at the position close to the PTC heating body, and the temperature control switch is connected to a control loop of the high-voltage relay coil in series; and the PTC main controller is in control connection with the high-voltage relay. The high-voltage relay is arranged at the power supply end of the PTC heating body for control, when the PTC heating body receives a heating request, the PTC main controller controls the coil of the high-voltage relay to be conducted, the high-voltage relay to be closed and the PTC heating body to supply power, and the IGBT controls the power adjustment of the PTC heating body, so that low-cost series control of the PTC heating body is realized, and the safety and the reliability of a product are improved.

Ultrasonic flaw detection method for high-temperature pipeline

The invention discloses an ultrasonic flaw detection method for a high-temperature pipeline, which is used for ultrasonic flaw detection of a steam pipeline and a hot water pipeline, and comprises the following steps: S1, polishing the surface of a to-be-detected welding workpiece in a polishing range of at least 2.5 * K * T extending from a welding seam to two sides, K represents the refraction angle tangent value of an ultrasonic probe, T represents the thickness of the detected workpiece, and the unit is mm; the surface roughness Ra of the polished to-be-detected welding workpiece is less than or equal to 25 microns, and oil stains, corrosion and water stains do not exist; s2, the surface of the to-be-detected welding workpiece is smeared with fire-resistant oil, and it is guaranteed that the fire-resistant oil is smeared to the clearing range area in the S1; s3, selecting a hydrophobic aerogel heat insulation felt with the heat conductivity coefficient smaller than or equal to 0.042 ...

Mobile charging robot

A mobile charging robot relates to the technical field of charging robots. The mobile charging robot comprises a mobile main body and a heat exchange cabinet. The mobile main body comprises a shell, and a battery module and a liquid cooling system which are arranged in the shell. The liquid cooling system is matched with the battery module and used for cooling the battery module, and the liquid cooling system comprises a first connector. The heat exchange cabinet comprises a cabinet body and a heat exchange system arranged in the cabinet body, and the heat exchange system comprises a second connector. When the mobile main body needs to exchange heat, the mobile main body is communicated with the second connector through the first connector, so that heat exchange is carried out on a refrigerant in the liquid cooling system through the heat exchange system in the heat exchange cabinet. According to the mobile charging robot, the cooling effect of the charging robot can be improved, and the ...

CSI-RS signal processing method and device and user equipment

Provided are a CSI-RS signal processing method, device and user equipment, the method comprising: in the case of receiving a target CSI-RS signal, performing channel estimation on the target CSI-RS signal to obtain a first matrix comprising a plurality of channel estimation values, the target CSI-RS signal occupying a plurality of resource elements in a resource block bearing the target CSI-RS signal; the channel estimation values in the first matrix are grouped and averaged, a second matrix comprising a preset number of average values is obtained, and each group comprises a plurality of channel estimation values; and performing noise estimation at least according to the second matrix. According to the channel estimation method and device, the problem that channel estimation carried out on CSI-RS resources configured according to Row = 1 is complex is solved.

DATA PROCESSING METHOD AND DEVICE FOR COMMUNICATION SYSTEM

The present invention relates to the technical field of communications. Disclosed are a data processing method, a device, and a communication system. The method comprises: performing L2 processing on data to be transmitted at a transmitting end, and obtaining at least one encoded transport block; and performing physical layer processing on the at least one encoded transport block, and obtaining a signal for transmission. Transmitting data on the basis of the above solution can improve error correction performance when a very low retransmission count or even no retransmission is required.

ELECTROPHORETIC DISPLAY COATING SOLUTION AND METHOD OF PREPARING SAME

An electrophoretic display coating solution, said solution comprising microcapsules. The microcapsules contain a suspension and a plurality of charged pigment particles dispersed throughout the suspension. The microcapsules are dispersed throughout an adhesive. The adhesive is obtained by dissolving in water a water-soluble macromolecular compound having a density of 5%-20%. When the adhesive dries, at least one of the microcapsules therein changes shape. Also provided is a method of preparing said electrophoretic display coating solution as well as a method of using said same to prepare an electrophoretic display assembly.

METHOD FOR PREPARING EPIRUBICIN AND INTERMEDIATE THEREOF

The present invention provides a method for preparing epirubicin and an intermediate thereof related to the method. The preparation method may comprise: reacting tert-Butyldimethylsilyl chloride with N-trifluoroacetyl adriamycin to obtain a first compound N-trifluoroacetyl-14-O-tert-Butyldimethylsilyl adriamycin; oxidizing the first compound to obtain a second compound 4'-ketone-N-trifluoroacetyl-14-O-tert-Butyldimethylsilyl adriamycin; reducing the second compound to obtain a third compound N-trifluoroacetyl-14-O-tert-Butyldimethylsilyl epirubicin; and performing deprotection and hydrolysis reactions on the third compound to obtain epirubicin. The method of the present invention needs low cost, fewer reaction steps, provides high yield and high product purity, and avoids serious pollution caused by a bromination reaction in a conventional method.

2-nitroimidazole derivative as well as preparation method and application thereof

The invention provides a 2-nitroimidazole derivative as well as a preparation method and application thereof, and belongs to the technical field of drug design and synthesis, the chemical formula of the 2-nitroimidazole derivative is as follows: Y is H or NO2; the preparation method comprises the following steps: diazotizing the amino group of 2-aminoimidazole by using sodium nitrite and tetrafluoroboric acid, then converting the diazo group into nitryl group under a catalytic condition to obtain 2-nitroimidazole, then removing hydrogen bromide through a nucleophilic substitution reaction to generate a compound A, carrying out an ester aminolysis reaction on the compound A and excessive ethylenediamine to obtain a compound B, and carrying out a reaction on the compound B and 1, 2, 3, 4-tetrafluoroboric acid to obtain the 1, 2, 3, 4-tetrafluoroboric acid. 3-nitro-1, 8-naphthalic anhydride or 3-nitro-1, 8-naphthalic anhydride is subjected to an amidation reaction, and finally the 2-nitroimidazole ...

Power supply dynamic management method of online power taking equipment and terminal

The invention discloses a power supply dynamic management method and a terminal for online power taking equipment. When a power grid tide emergency or a preset power grid special event exists in a transformer area power grid at present, the power supply dynamic management method comprises the following steps; and determining a final use strategy based on the obtained maximum output power of the ACDC converter under the current primary current value, the current residual electric quantity of the battery, the host power of each preset working condition and the preset maximum charging power. Calculating a battery remaining capacity prediction curve under each preset working condition based on the bus current prediction data and the maximum output power prediction data of the ACDC converter, and determining a final use strategy based on the battery remaining capacity prediction curve under each preset working condition. And finally, performing power supply management on the on-line power taking ...

Disassembling and assembling structure of monitoring device

The invention discloses a dismounting and mounting structure of a monitoring device, which comprises a supporting outer shell and a sliding inner shell, and is characterized in that a guide structure is arranged in the sliding inner shell to be matched with the monitoring device, so that when the monitoring device is mounted in a mounting groove of the sliding inner shell, a wire fixing structure can be accurately aligned with a clamping structure; the wire fixing structure of the monitoring device is kept in an open state through the clamping structure, so that the installation of the monitoring device and the cable is realized; when the monitoring device needs to be disassembled from the cable, only the limiting pin needs to be separated from the elastic clamping plate, after the monitoring device enters the mounting groove of the sliding inner shell, the elastic clamping plate is clamped on the monitoring device, the monitoring device can be separated from the cable by dragging the supporting ...

Heating body overcurrent detection circuit and detection method based on hardware detection

The invention discloses a heating body overcurrent detection circuit and detection method based on hardware detection, and the circuit is characterized in that an MCU is connected with a PTC control loop, an IGBT and a plurality of phase inverters are connected in series between the PTC control loop and a PTC heating body, and one end of each phase inverter is connected with a digital collection line; the other ends of the plurality of phase inverters are connected in parallel and then are connected to the RS trigger; the voltage comparator is electrically connected with the RS trigger; and the voltage comparator is also connected with the operational amplifier circuit and the MCU. Hardware over-current protection is realized by arranging the voltage comparator, the RS trigger and the phase inverter, IGBT output is ensured to be closed at the moment of over-current, and electronic components such as the IGBT are protected from being damaged, so that the function safety level requirement ...

SERVICE TRANSMISSION METHOD AND APPARATUS

The embodiments of the present application relate to the technical field of communications. Disclosed are a service transmission method and apparatus. The method comprises: acquiring a data stream of a service, and priority information thereof, the priority of the data stream being one of at least two service priorities, wherein the at least two service priorities comprise a first priority and a second priority, and the importance of the first priority is higher than that of the second priority; and according to the priority of the data stream, determining, from at least two frequency bands, a frequency band for transmitting the data stream. In the embodiments of the present application, service data is offloaded, and priority information is given for a data stream, thereby flexibly scheduling each data stream of a service, improving the reliability of service transmission and user satisfaction, and improving the number of satisfied users.

METHOD OF ACQUIRING IDENTIFIER OF TERMINAL DEVICE AND NETWORK ELEMENT

Provided in the present application are a method of acquiring an identifier of a terminal device and a network element. The method comprises: a first network element acquiring first information carrying position information of a first terminal device and determining an identifier set according to the first information, wherein the identifier set comprises an identifier of the first terminal device, and, in particular, the identifier of the first terminal device can be used to acquire communication information of the first terminal device; a first network element sending, to a second network element on the basis of each identifier in the identifier set, a request for determining position information of a terminal device corresponding to the identifier, so as to enable the first network element to obtain position information of the terminal device corresponding to each identifier in the identifier set; comparing the position information of the first terminal device with the position information ...

Electronic cigarette atomization core, preparation method of electronic cigarette atomization core and electronic cigarette

The embodiment of the invention provides an electronic cigarette atomization core, a preparation method of the electronic cigarette atomization core and an electronic cigarette, the electronic cigarette atomization core comprises a porous ceramic body and a heating body arranged on the porous ceramic body, the porous ceramic body comprises first zirconium oxide powder, the components of the heating body comprise second zirconium oxide powder and conductive powder, and the average particle size of the first zirconium oxide powder is larger than that of the second zirconium oxide powder.

Spheroidization recession system and operation process thereof

The invention discloses a spheroidizing recession system and an operation process thereof, belongs to the technical field of electrics, is used for solving the problem that in the molten metal casting process, the spheroidizing recession time cannot be monitored in time, so that the spheroidizing recession time is out of time, and a casting metallographic phase is unqualified, and comprises a control unit, an inoculation unit, a logistics device and casting equipment, the control unit, the inoculation unit, the logistics device and the casting equipment are in communication connection and used for transmitting information among the control unit, the inoculation unit, the logistics device and the casting equipment. By arranging the independent inoculation unit, inoculation and smelting of the molten metal are carried out in steps, the interaction influence among all procedures is avoided, the casting time is effectively controlled by timing the allowable time of spheroidizing decline, and ...

Straight pipe type PTC (Positive Temperature Coefficient) water heater with waterproof grade IP67

The invention discloses a straight pipe type PTC water heater with the waterproof grade IP67, and relates to the technical field of water heaters, the straight pipe type PTC water heater comprises a heating body, a plurality of wire outlet holes are formed in the heating body, the heating body is externally sleeved with a stainless steel pipe, the two ends of the heating body are connected with a head plastic part and a tail plastic part respectively, and the tail plastic part is sleeved with a stainless steel pipe. The head plastic part is externally connected with a head wire outlet end plastic shell through a bolt, the head wire outlet end plastic shell is of a hollow structure, one end of the stainless steel pipe is connected with the head wire outlet end plastic shell in a clamped mode, one side of the head wire outlet end plastic shell is provided with an annular groove, and the annular groove is connected with the stainless steel pipe in a clamped mode. According to the invention ...

Chlorosilane rectification impurity removal process and system in polycrystalline silicon production

The invention discloses a chlorosilane rectification and impurity removal process and system in polycrystalline silicon production. A raw material chlorosilane passes through a raw material adsorption tower to remove part of impurities; the impurity-removed raw material chlorosilane enters a coarse separation tower, dichlorosilane and light impurities are cut off from the tower top, silicon tetrachloride and heavy impurities are cut off from a tower kettle, trichlorosilane is extracted from a side line in the tower and enters a light component removal tower, light impurities are cut off from the upper tower top of the light component removal tower, and a material extracted from the lower tower kettle of the light component removal tower enters a heavy component removal tower; heavy impurities are removed from the lower tower kettle of the heavy component removal tower, and a qualified trichlorosilane product is extracted from the upper tower top of the heavy component removal tower; the ...

Nanometer homoporous membrane enhanced high-sensitivity ammonia gas sensor

The invention provides a nano homoporous membrane enhanced high-sensitivity ammonia gas sensor, which is an SIM/rGO/IDE sensor, the top of an interdigital electrode IDE of a sensing interface is firstly modified with a layer of reduced graphene oxide rGO, and then a silicon dioxide nano homoporous membrane SIM is grown in situ; a nanopore channel of the silicon dioxide nanopore membrane SIM is communicated with the interdigital electrode IDE, during ammonia gas detection, ammonia gas molecules are enriched in the nanopore channel of the silicon dioxide nanopore membrane SIM and undergo a chemical reaction at the reduced graphene oxide rGO of the interdigital electrode IDE at the bottom layer through the pore channel, so that the resistance value of the interdigital electrode IDE is changed; forming a detection signal for quantitatively detecting the ammonia gas concentration; according to the invention, high-sensitivity detection of ppb-level ammonia gas can be realized.

High-rising building deformation monitoring instrument and monitoring method thereof

The invention discloses a high-rising building deformation monitoring instrument and a monitoring method thereof. The instrument comprises a lower supporting platform, a dial arranged on the lower supporting platform, a supporting frame body arranged on the periphery of the dial, and a laser hung on the supporting frame body and capable of rotating by 360 degrees. The dial is provided with scale marks, the scale marks are a plurality of concentric circles with the center point as the circle center, and the scale marks carry a photoresistor. According to the monitoring method, the instrument is used for completing deformation monitoring of the high-rising building. Data of the inclination angle of the high-rising building can be obtained in real time in a severe field environment, the instrument is simple in structure and convenient to assemble, and meanwhile, the solar panel is arranged at the top end of the device to provide energy guarantee for long-term endurance of the device.

Connecting structure and lifting appliance

The invention provides a connecting structure and a lifting appliance. The connecting structure comprises a middle pin shaft and a buffer unit and is used for connecting a first structural part and a second structural part. Wherein the first structural member comprises a connecting part, and the connecting part is provided with a first through hole; the second structural part comprises two bearing plates which are arranged in parallel, the connecting part can stretch into a gap between the two bearing plates, and the bearing plates are provided with second through holes; the middle pin shaft can be embedded into the first through hole, and a third through hole is formed in the middle pin shaft; the two buffering units can be detachably connected with the two bearing plates correspondingly, each buffering unit comprises a first connecting piece and a second connecting piece, the first connecting pieces can be embedded into the second through holes, and the second connecting pieces can be ...

Coal tar hydrogenation process distillation device and method

The invention relates to the technical field of coal tar deep processing, and provides a coal tar hydrogenation process distillation device and method.The coal tar hydrogenation process distillation device comprises a shell, the interior of the shell is fixedly connected with a reaction kettle through screws, a servo motor is started through arrangement of structures such as a jacking screw and a cleaning block, and an output shaft of the servo motor drives a vertical rod to rotate; a lower auxiliary rod is driven by a sliding block to move up and down, bubbles generated during distillation are driven to move up, the distillation efficiency is improved, a second rotating sleeve is driven by a third driven wheel to rotate, a jacking screw is driven to reciprocate left and right, and the jacking screw drives a cleaning block to reciprocate left and right to clean coal tar coked on the surface of a filter screen. The infusion pump is prevented from being blocked and damaged during use, and ...

Communication method and device

The invention discloses a communication method and device. The method comprises the steps that terminal equipment receives at least one video frame from network equipment; the terminal equipment determines video frame parameters according to the at least one video frame; and the terminal equipment sends the video frame parameter to the network equipment, so that the network equipment can know the receiving condition of the downlink video frame, and the transmission of the downlink video frame is convenient to optimize.

High-efficiency catalyst for residual oil hydrogenation and preparation method thereof

The invention relates to the technical field of residual oil hydrogenation catalysts, and particularly discloses a preparation method of a high-efficiency catalyst for residual oil hydrogenation, which comprises the following steps: S01, preparing a modified alumina carrier: mixing 1-1.2 parts by weight of pseudo-boehmite, 0.1-0.15 part by weight of a pore-enlarging agent, 0.85-0.15 part by weight of modified silicon carbide and 0.45-0.9 part by weight of a molding aid, kneading and mixing, extruding and molding to obtain the modified alumina carrier; drying at 120 DEG C for 4-5 hours, and roasting at 600-800 DEG C for 3-5 hours to obtain a modified alumina carrier; s02, impregnating the modified alumina carrier prepared in the step S01 with a metal active component, drying at 140-150 DEG C for 5-6 hours, and roasting at 400-500 DEG C for 3-4 hours to obtain the catalyst, the pore-enlarging agent polyacrylamide and the modified silicon carbide are cooperatively used, so that the number ...

Method and device for processing three-dimensional model component data, equipment and storage medium

The invention provides a method, device and equipment for processing component data of a three-dimensional model and a storage medium, and the method comprises the steps: storing the component data of the three-dimensional model through a preset component storage table; formatting and processing component data in the component storage table to obtain a processed component storage table, and storing the processed component storage table in a data warehouse layer of the three-dimensional model; according to preset key information, corresponding component data are retrieved from a data mart layer of the three-dimensional model, and the key information comprises at least one of attribute hash values, component types, component names and component attributes. By means of the method, the effects of effective storage and rapid retrieval of the component data in the three-dimensional model can be achieved.

Self-energy-taking and current sampling circuit and equipment for current transformer

The invention discloses a self-energy-taking and current sampling circuit and equipment for a current transformer, and the circuit is characterized in that a main control module is connected with a short-circuit current detection module, the connection and disconnection of the short-circuit current detection module are controlled, and the short-circuit current detection module is connected with the input of a load module in parallel; when the main control module controls the short-circuit current detection module to be conducted, the short-circuit current detection module and the current transformer form a detection loop to detect bus current, meanwhile, the load module is short-circuited and cannot obtain electric energy, and due to the fact that the load module is short-circuited, the load module and online equipment cannot cause interference to the detection loop. The accurate measurement of the current transformer on the bus current is realized; and when the short-circuit current detection ...

Strain for degrading aflatoxin B1 and application thereof

The invention discloses a strain for degrading aflatoxin B1 and application of the strain, and belongs to the technical field of aflatoxin biodegradation. The strain for degrading the aflatoxin B1 disclosed by the invention is Acinetobacter oryzae J15, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) NO.26431. The aflatoxin B1 degrading strain disclosed by the invention can be used for degrading the aflatoxin B1. The degradation rate of the strain to aflatoxin B1 at 37 DEG C is 92.2%, and the strain has a good application prospect in biodegradation of aflatoxin.

Camera lens centering device suitable for horizontal hole or pitch-up hole

The invention discloses a camera lens centering device suitable for a horizontal hole or a pitch-up hole, which comprises a shaft rod, a camera lens is fixedly arranged at the front end of the shaft rod, a plurality of pairs of rotatable rolling wheels are arranged on the shaft rod along a straight line, and the wheel surfaces are parallel to each other; the rolling wheels of the device are parallel to each other, so that the rolling wheels cannot be clamped at the variable-diameter position when meeting hole variable-diameter, and soil accumulation in holes cannot be caused to prevent the device from advancing; meanwhile, centering of the camera lens is guaranteed, the camera lens is far away from dirt on the hole wall, the problem of large chromatic aberration of different radial images is solved through centering, and the authenticity of the shot images is guaranteed; the rotatable rolling wheels enable the propelling work to be easier; in addition, the rolling wheel is of a stepped ...

Flexible sensor for measuring in-plane bending

The invention discloses a flexible sensor for measuring in-plane bending. The sensor comprises a substrate layer, a response layer and a packaging layer which are sequentially arranged from bottom to top. The response layer is a conductive layer arranged on the substrate layer; the conductive layer is formed by a one-dimensional conductive nano material; the response layer is arranged on one side of a symmetry axis in the length or width direction on the substrate layer; the conductive layer is connected with the two electrodes; the base layer and the encapsulation layer are formed of a polymeric elastomer. In the flexible sensor, the substrate layer and the packaging layer are made of the high-molecular elastic material, so that the flexible sensor has good elasticity and flexibility and can adapt to deformation of a human body in a motion detection process; besides, due to the base material characteristics of the sensor made of the high-molecular elastic material, the sensor is tightly ...

Preparation method of ramipril key intermediate derivative

The invention relates to a preparation method of a ramipril key intermediate derivative, the intermediate is (E)-2-((5-oxo-2-phenyloxazole-4 (5H)-ethylidene) methyl) cyclopent-1-ene-1-yl substituent acid ester, and the preparation method comprises the following steps: cyclizing hippuric acid serving as a raw material, reacting with 2-[(dimethylamino) methylene]-1-cyclopentanone and carboxylic acid, reacting with 2-[(dimethylamino) methylene]-1-cyclopentanone and carboxylic acid to obtain the ramipril key intermediate derivative. And preparing to obtain the ramipril key intermediate (azlactone) derivative. The method can be suitable for C1-C5 aliphatic, aromatic and heteroaromatic acids, the azlactone derivative is obtained at a medium to good yield, and the method has the advantages of cheap and easily available raw materials, low cost, environment friendliness, simplicity in operation and the like, and conforms to the concept of green pharmacy.

Image-based feature extraction method and device

The invention discloses an image-based feature extraction method and device, and the method comprises the steps: constructing an initial skeleton edge feature and a skeleton position according to an input image, and constructing a skeleton joint feature through image convolution operation in combination with the skeleton position; the next layer of skeleton edge features are updated through the skeleton joint point features and the previous layer of skeleton edge features, and then the skeleton joint point features are remodeled by using the attention map of the updated skeleton edge features, so that the skeleton joint point features are remodeled through multi-layer skeleton edge feature updating and skeleton joint point feature remodeling; the extracted image features are continuously used, more details of the human body structure in the image can be noticed, the human body behavior of the input image is effectively recognized through the extracted skeleton joint point features, skeleton ...

Energy storage device and electric equipment

The invention discloses an energy storage device and electric equipment. The energy storage device comprises a shell, an electrode assembly, an end cover assembly and a collector plate. The shell comprises an accommodating cavity with an opening; the electrode assembly is accommodated in the accommodating cavity; the end cover assembly comprises an end cover plate and an anti-explosion valve, and the end cover plate is connected to the shell and seals the opening; the end cover plate is provided with an air leakage hole which penetrates through the end cover plate in the thickness direction. The anti-explosion valve is connected to the end cover plate and seals the air leakage hole; the current collecting disc is arranged in the containing cavity and comprises a disc body, an end cover connecting part and an annular reinforcing structure, the disc body is electrically connected with the electrode assembly, the end cover connecting part is connected to the disc body and electrically connected ...

Abnormal event bidirectional monitoring method and device, electronic equipment and storage medium

According to the abnormal event two-way monitoring method and device, the electronic equipment and the storage medium provided by the invention, when the infrared light working mode is selected, the infrared light image with relatively high confidence coefficient of occurrence of the abnormal event hidden danger is firstly obtained, and the first suspicious area is screened out through the temperature information in the infrared light image; secondary confirmation is carried out through the visible light image of the first suspicious area; when the visible light working mode is selected, the visible light image with the high confidence coefficient of the abnormal event hidden danger is obtained firstly, the second suspicious area is screened out through the visible light image, and then secondary confirmation is carried out through the infrared light image of the second suspicious area. Two-way detection is realized by setting two different working modes, and different from a one-way detection ...

Strain for degrading aflatoxin, preparation and method for degrading aflatoxin

The invention discloses a strain for degrading aflatoxin, a preparation and a method for degrading aflatoxin, and belongs to the technical field of aflatoxin detoxification. The bacterial strain for degrading the aflatoxin is Leifsonia shikonensis AG29, the Leifsonia shikonensis AG29 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on February 14, 2023, and the preservation number is CGMCC No.26548. The invention further discloses a preparation method of the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain for the aflatoxin degrading bacterial strain. The strain AG29 is used for preparing fermentation liquor or fermentation supernate, the fermentation liquor or the fermentation supernate is added into a sample containing aflatoxin B1, 92.3% of aflatoxin B1 can be degraded after incubation ...

Method for batch construction of zeolite models with different cation exchange silica-alumina ratios

The invention discloses a method for batch construction of silica-alumina ratio zeolite models for different cation exchanges.The method comprises the steps that an all-silica zeolite structure serves as a mother structure, and specific silica-alumina ratio silica-alumina zeolite structures for different cation exchangesare constructed through perl and shell language in combination with MaterialStudio and MOPAC software. According to the method, a time-consuming manual Al atom replacement link is avoided, and the experimental synthesis period is greatly shortened. In addition, by comparing the energy of the constructed molecular sieve, the method can effectively identify the structure with the lowest energy, and the structure is used as the most reasonable zeolite structure under the equilibrium ion and silica-alumina ratio. The construction method of the silicon-aluminum zeolite has important significance on zeolite in the aspects of gas storage, adsorption separation, catalysis and the ...

Telescopic beam, lifting appliance and movable supporting assembly

The invention discloses a telescopic beam, a lifting appliance and a movable supporting assembly. The telescopic beam comprises a main beam; the first beam is sleeved with the main beam, and a first limiting part and a second limiting part are arranged on the outer side face of the tail of the first beam; the second beam is arranged in the main beam in a sleeved mode and can be arranged between the first beam and the main beam in a sleeved mode, and a third limiting part is arranged on the inner side face of the tail of the second beam; the movable supporting mechanism comprises a frame body located between the first beam and the main beam and a hook hinged to the frame body, and the frame body can slide in the axial direction of the first beam; when the first beam is sleeved in the second beam, the hooks are axially clamped with the third limiting parts; when the first beam and the second beam are in butt joint and then stretch out towards the outer sides of the two ends of the main beam ...