指纹锁（1）

Composition for modifying one-component thermally conductive gel, one-component thermally conductive gel comprising same, and method for producing same

The present invention relates to a composition for modifying a single-component heat-conducting gel, a single-component heat-conducting gel comprising the same, and a method for manufacturing the single-component heat-conducting gel. Specifically, the composition for modifying the single-component heat-conducting gel is prepared from vinyl-terminated polysiloxane, hydrogen-containing polysiloxane and a platinum catalyst. The heat-conducting gel modified by using the composition for modifying the single-component heat-conducting gel has relatively low hardness of Shore hardness A of about 50-75, and can withstand vibration and deformation without cracking and interface separation; the product can be stored at room temperature for 1 year without freezing storage; the adhesive can be cured in situ at room temperature, has good vertical stability, and is easy to dispense due to single-component packaging. In addition, the thermal conductivity of the thermal conductive gel can range from 1 W ...

Online decision-making method and device for vehicle service request in S3CE system

The invention discloses an online decision-making method and device for a vehicle service request in an S3CE system. The method comprises the following steps: obtaining the position of a moving vehicle at any moment in a vehicle-road cooperation scene according to a vehicle moving track prediction model, and obtaining a transmission range between the vehicle and a road side unit; a time delay model and a cost model related to vehicle service request scheduling are established, an optimization problem equation of request scheduling and container retention joint decision is formed under the condition that distance limitation and service container resource limitation are met, and the optimization target is that the long-term cost of the system is minimized when the service request time delay deadline is met; the problem is decomposed into a request transfer decision problem and a regional S3CE cost problem which are solved by using an STD algorithm and an ASP algorithm respectively; and on ...

High-temperature alloy machining process optimization method based on machine learning

The invention discloses a machine learning-based high-temperature alloy processing technology optimization method, which comprises the following steps that: a data set to be applied to machine learning is obtained, and the data set comprises different processing conditions and corresponding test performances of high-temperature alloy; determining features for training the model from the acquired data set, and determining target performance of the model from the acquired data set; different machine learning models are set, and the models are trained through the original data sets; obtaining an optimal model parameter and a hyper-parameter, and correcting the model by using the data set; the model performance is evaluated, and the model with the best performance and the target performance are selected; and predicting and recommending optimal processing parameters. According to the method, a traditional ML model is integrated, and single models such as XGBoost, LightGBM, CatBoost, random forest ...

Event processing method and device

The invention discloses an event processing method and device and relates to the field of automatic driving. The method comprises: selecting a first event from at least one event (S301); and selecting a first computing resource from the at least one unoccupied computing resource (S302), and processing data corresponding to the processing task according to the processing task corresponding to the first event and the first computing resource (S303). Through the method, it is ensured that one computing resource is only occupied by the processing task corresponding to one event, and therefore it is ensured that the processing task corresponding to the event can complete processing of corresponding data in the determined event. Data needing to be processed by the automatic driving system are determined, the time for processing the data by processing tasks corresponding to the data is also determined, and therefore the time from data input to control instruction output of the automatic driving ...

Manufacturing method of PET highlight veneer product

The invention relates to a manufacturing method of a PET highlight veneer product. The PET highlight veneer product comprises a wooden base material, a PET film is arranged on the wooden base material in a blister manner; a protective film is arranged on the side, exposed to light, of the PET film, and the protective film is connected with the PET film through a hard coating; the backlight side of the PET film is connected with the wooden base material through back coating; and the wooden base material is subjected to blister treatment. A PET material is a milk white or light yellow polymer with high crystallinity, and the surface is smooth and glossy. The PET material is good in creep resistance, fatigue resistance and friction resistance, small in abrasion and high in hardness, and has the maximum toughness in thermoplastic plastics; and the PET material has the characteristics of no toxicity, weather resistance, good chemical medicine resistance stability, low water absorption, weak ...

Portable medical oxygen generator

The invention discloses a portable medical oxygen generator, and relates to the technical field of medical oxygen generators, the portable medical oxygen generator comprises an oxygen generator main body, universal wheels are symmetrically and rotatably connected to four corners of the lower end of the oxygen generator main body, a hollow frame is slidably arranged at the lower end of the oxygen generator main body, and a cross frame is fixedly connected to the inner side surface of the lower end of the hollow frame; the lower side face of the hollow frame is fixedly connected with an anti-skid pad. According to the invention, the driving mechanism drives the cross frame to extend out, so that the whole hollow frame slides down along the oxygen generator main body, the universal wheels are separated from the ground, the non-slip mat is in contact with the ground, and the hollow frame supports the oxygen generator main body, so that the oxygen generator main body is prevented from sliding ...

Machining method for high-precision thin-wall zirconium alloy pipe with low flaring wall thickness reduction rate and pipe end flaring method

The invention discloses a high-precision thin-wall zirconium alloy pipe machining and pipe end flaring method with a low flaring wall thickness reduction rate. The zirconium alloy pipe machining method comprises the steps that a zirconium alloy pipe blank with a certain length is cut out; performing cold rolling on the pipe blank to obtain an intermediate pipe; degreasing, acid pickling, vacuum annealing, straightening and surface treatment are conducted on the obtained middle pipe; and the middle pipe is subjected to cold rolling, and the high-precision zirconium alloy pipe is obtained after the cold-rolled pipe is subjected to degreasing, acid pickling, vacuum annealing, straightening and polishing treatment. According to the method, through the design of the multi-pass rolling Q value and the deformation amount, the radial texture factor Fr of the pipe is larger than or equal to 0.55, and the low flaring wall thickness reduction rate of the pipe is achieved. And the obtained zirconium ...

Intelligent grinding device and method for plane valve of mechanical part accessory

The invention relates to the technical field of intelligent grinding of plane valves of mechanical part accessories of airplanes, in particular to an intelligent grinding device and method for plane valves of mechanical part accessories. The grinding disc module is arranged on the device rack; the two valve sheet grinding modules are correspondingly distributed on the two side edges of the grinding disc module; the two valve shell grinding modules are correspondingly distributed on the side edges of the two sides of the grinding disc module; the grinding fluid adding module is arranged on the device rack; and the grinding disc scrubbing module is arranged on the device rack and located on the side edge of the grinding disc module. Automatic grinding operation of multiple varieties and small batches of plane valves is achieved, automatic detection and finishing of the grinding disc are achieved, and the problems that traditional manual grinding of the plane valves is large in operation difficulty ...

Simulation device for braking stick-slip test of high-speed train

The invention discloses a high-speed train braking stick-slip test simulation device, belongs to the technical field of friction braking, and aims to solve the problems that a braking simulation device in the prior art does not have vibration isolation measures, cannot accurately collect vibration and noise signals of a friction interface and cannot accurately simulate the friction interface. The high-speed train braking stick-slip test simulation device comprises a test bed base, a brake disc and a brake caliper device are arranged on the test bed base, the brake disc is connected with a driving mechanism used for driving the brake disc to rotate, and the brake caliper device is connected with the brake disc. The driving mechanism is connected with a control cabinet, the brake caliper device is used for installing a test sample and driving the test sample to be in contact with or disconnected from the brake disc, and the brake caliper device is installed in the radial direction of the ...

Universal sensor for photovoltaic power supply

The invention discloses a photovoltaic power supply universal sensor. The sensor comprises a sensor body; the sensor body is connected with a photovoltaic panel, and the photovoltaic panel is used for photovoltaic charging; the sensor body is connected with a super capacitor, and the super capacitor is used for supplying power to the sensor body and solving the problem of battery passivation; the sensor body is connected with a battery and is used for discharging when the photovoltaic panel and the super capacitor do not work; the sensor body is controlled by two different photovoltaic curves, and the photovoltaic panel has a first working mode and a second working mode when the sensor body is controlled by the two different photovoltaic curves; in an environment with normal illumination, photovoltaic energy can be completely consumed by the sensor. The battery endurance of the sensor is obviously prolonged, the battery replacement frequency is reduced, and the maintenance-free effect is ...

Spare wheel carrier of trailer

The trailer spare tire carrier comprises a supporting mounting frame, a supporting seat is arranged at one end of the supporting mounting frame, and an arc-shaped seat is arranged at the other end of the supporting seat; a first supporting plate is rotationally connected to one side of the supporting seat, a second supporting plate is rotationally connected to the end, away from the supporting seat, of the first supporting plate, and a third supporting plate is rotationally connected to the end, away from the first supporting plate, of the second supporting plate; a clamping base is arranged at the end, away from the second supporting plate, of the third supporting plate. The arc-shaped base, the supporting base, the first supporting plate, the second supporting plate, the third supporting plate and the clamping base surround the outer portion of a placed spare tire. The spare tire can be protected and damped conveniently, and meanwhile the spare tire can be taken down and placed conveniently ...

SERVER SYSTEM LOG COLLECTION METHOD

Disclosed in the present invention are a server system log collection method and system. The method comprises the following steps: if a fault occurs when a server starts up, a BMC determines whether an OS log exists in preset log collection content; if not, the BMC sends a log collection command to the OS, and the OS collects a log according to the preset log collection content, and sends the collected log to the BMC; and the BMC uploads the received log to a log server. Compared with the prior art, the present invention improves the comprehensiveness, accuracy and working efficiency of server system log collection.

Gasification black water deslagging and recycling treatment device and control method thereof

The invention discloses a gasified black water deslagging recycling treatment device and a control method, the gasified black water deslagging recycling treatment device comprises a dry-type automatic deslagging filter, and a raw material inlet of the dry-type automatic deslagging filter is communicated with a gasified black water inlet through a first butterfly valve and a first ball valve; a gas inlet of the dry-type automatic deslagging filter is communicated with an outlet of the heat exchanger through a second butterfly valve and a first stop valve, an inlet of the heat exchanger is communicated with compressed gas through a second stop valve, a medium inlet of the heat exchanger is communicated with steam through a third stop valve, and a cleaning water inlet of the dry-type automatic deslagging filter is communicated with cleaning water through a third butterfly valve. A cleaning outlet of the dry-type automatic deslagging filter discharges cleaning water through a fourth butterfly ...

METHOD, SYSTEM AND MEDIUM FOR INSTANTLY PROMPTING IN-POSITION CHANGE OF SATA AND NVME DEVICES

A method, system and medium for instantly prompting in-position changes of a SATA device and a NVMe device, according to BIOS software design, a hard disk is pulled out in a shutdown state, a user can be immediately prompted after boot; When a new hard disk is connected in the shutdown state, the user can be immediately prompted after boot; In the startup process, a swappable hard disk can instantly prompt the user of determining function location information of a link, link information, and whether the link is normal, solve the technical problem that a hot-swappable hard disk has no prompt in a non-operating system environment in the prior art, instantly prompt the user of an instant insert and unplug function of a hot-swappable device, specify a coordinate pop-up window design, display basic information or error information of the device, increase a feedback mechanism of user operation results, and improve user experience.

Light-emitting diode chip with ultra-nanocrystalline diamond conducting layer and preparation method

The invention relates to the technical field of semiconductors, in particular to a light-emitting diode chip with an ultra-nanocrystalline diamond conducting layer and a preparation method. The light emitting diode chip includes: a substrate; an epitaxial layer which is arranged on the surface of the substrate and sequentially comprises a nucleating layer, an undoped semiconductor layer, an n-type semiconductor layer, a multi-quantum well active layer and a p-type semiconductor layer from bottom to top; a plurality of oxide patterns which are arranged on the surface, far away from the multi-quantum well active layer, of the p-type semiconductor layer at intervals; a conductive layer which is arranged on the surfaces, far away from the multi-quantum well active layer, of the oxide patterns, covers the oxide patterns and the p-type semiconductor layer among the oxide patterns, and is made of nitrogen-doped ultra-nanocrystalline diamond; an n electrode which is arranged on the surface of the ...

Intelligent distribution box suitable for power transmission and transformation project and operation method thereof

The invention provides an intelligent distribution box suitable for a power transmission and transformation project and an operation method thereof, the intelligent distribution box comprises a control module, a state detection module and an inclination adjustment module, and the state detection module and the inclination adjustment module are both connected with the control module. The operation method specifically comprises the steps that the intelligent distribution box is placed on the ground, inclination angles of the intelligent distribution box in different directions are collected in real time, inclination judgment of the intelligent distribution box is conducted based on the inclination angles, and when it is judged that an inclination condition exists, a connecting leg adjusting instruction is formulated, and the extending length of connecting legs of the intelligent distribution box is adjusted. Until the intelligent distribution box does not incline; grounding state data and ...

Lactobacillus reuteri A21160 capable of reducing nucleoside and blood uric acid and application of lactobacillus reuteri A21160

The invention relates to the field of microorganisms, and discloses a lactobacillus reuteri A21160 with functions of reducing nucleoside and blood uric acid and application of the lactobacillus reuteri A21160, the lactobacillus reuteri A21160 strain is preserved in Guangdong Microbial Culture Collection Center on November 11, 2022, and the preservation number is GDMCC NO: 62960. The microbial classification is named as Limosilicilla reuterii, and the microbial classification is named as Limosilicilla reuterii. The strain can effectively degrade nucleoside purine and reduce blood uric acid of a hyperuricemia model mouse, and is suitable for production of low-purine food and purine-reduced and uric acid-reduced functional fermented food.

Dynamic modeling method for small gear with revolute pair clearance

The invention discloses a dynamic modeling method for a micro gear with a revolute pair gap, and belongs to the technical field of dynamic simulation of a gear transmission system. According to the method, a meshing stiffness calculation model considering the revolute pair clearance is established based on an involute gear meshing principle and a potential energy method, calculation formulas of important parameters such as a gear meshing angle, a gear backlash and an overlap ratio are deduced, and a time-varying meshing stiffness calculation model of a gear containing the revolute pair clearance is established; according to the method, the situation that the meshing rigidity, the load distribution coefficient, the meshing angle, the gear backlash and the like of the gear are influenced by the change of the center distance of the gear pair due to the existence of the revolute pair gap is comprehensively considered, the gear presents different nonlinear dynamic behaviors due to the change ...

METHOD FOR EXTENSIBLE SELF-ADAPTIVE LANE KEEPING CONTROL AT VARIABLE VEHICLE SPEED

A method for extensible self-adaptive lane keeping control at a variable vehicle speed, comprising the following steps: S1, establishing a kinetic model having three degrees of freedom and a look-ahead offset expression; S2, performing lane line fitting calculation; S3, designing an upper-layer ISTE extensible controller, comprising: S3.1, establishing a control indicator (ISTE) extensible set; S3.2, dividing a control indicator (ISTE) field boundary; S3.3, calculating a control indicator (ISTE) correlation function; and S3.4, establishing an upper-layer extensible controller decision; S4, designing a lower-layer speed extensible controller; and S5, designing a lower-layer offset tracking extensible controller, comprising: S5.1, perform lower-layer offset tracking extensible feature amount extraction and field boundary division; S5.2, design a lower-layer extensible controller correlation function; S5.3, perform lower-layer measurement mode recognition; and S5.4, a lower-layer controller ...

THUMBNAIL GENERATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

The present disclosure relates to a thumbnail generation method and apparatus, and an electronic device, said method comprising: determining a scaling ratio according to the size of a picture used for generating a thumbnail and the size of a thumbnail display area; scaling, according to the scaling ratio, the picture used for generating the thumbnail, so as to obtain a first thumbnail having a size larger than the size of the thumbnail display area; determining position information of a target object area in the first thumbnail; and cropping the first thumbnail according to the size of the thumbnail display area and the position information of the target object area in the first thumbnail, so as to obtain a second thumbnail containing the target object area. The present disclosure can realize displaying a target object within a thumbnail.

Satellite short message data acquisition terminal access control method

The invention relates to a satellite short message data acquisition terminal access control method. The method comprises the following steps: step 1, a group management terminal issues control parameters; step 2, the data acquisition terminals control the inbound time delay, the group data acquisition terminals control the inbound time delay according to the instruction, and the scattered data acquisition terminals control the inbound time delay according to preset parameters; and step 3, the satellite short message center station receives the inbound data of various data acquisition terminals, and forwards the corresponding acquisition data according to a specified target object. According to the invention, the access control strategy of regular inbound of the data acquisition type terminal is optimized, and the access time sequence of the data acquisition type terminal is reasonably controlled through the group management terminal, so that the data acquisition type terminal carries out ...

METHOD AND DEVICE FOR CONTROLLING WAY-FINDING OF SIMULATION OBJECT, AND SERVER

Disclosed are a method and device for controlling way-finding of a simulation object, and a server. The method comprises: obtaining a motion path of a first simulation object when an interaction instruction triggered by the first simulation object is received; detecting whether a first way-finding path matched with the motion path exists in a preset path information set according to the motion path of the first simulation object; and if the first way-finding path exists, controlling a second simulation object to move to the first simulation object in the radial direction of the first way-finding path. The present invention further provides a server. The server in embodiments of the present invention merely needs to maintain the preset path information set, and since path information includes a plurality of path points, the data maintenance costs are reduced and mistakes are not likely to be made. Moreover, the server selects the most matched first way-finding path from the preset path information ...

Method for optimizing parameters of rotary grinding equipment

The invention relates to the technical field of electric digital data processing, in particular to a method for optimizing parameters of rotary grinding equipment. The method comprises the following steps that the value range of target parameters of target gyratory grinding equipment is obtained; obtaining a first value list B of the target parameter; b is traversed, a three-dimensional geometric model, corresponding to bm, of the target gyratory grinding equipment is established, and S is obtained; traversing S, and establishing a finite element model of the target gyratory grinding equipment for sm to obtain Q; establishing a grinding material discrete element model; traversing Q, and coupling qm with the grinding material discrete element model to obtain R; uploading the R to a super computing platform, and distributing the R to M super computing nodes; obtaining F and V; obtaining P; and if (pmax, 1-pmax, 2)/pmax, 1 < = epsilon, taking the target parameter value corresponding to pmax ...

METHOD AND SYSTEM FOR MONITORING RESOURCE UTILIZATION RATE OF SERVER CPU BASED ON BMC

A method and system for monitoring a resource utilization rate of a server CPU based on a BMC. The method for remotely monitoring a resource utilization rate of a server CPU based on a BMC is applied to a system for remotely monitoring a resource utilization rate of a server CPU based on a BMC, and the BMC is installed in the system. The method comprises: after a server is powered on, initializing a BMC (S100); the BMC acquiring a current server CPU resource utilization rate sent by the server (S200); the BMC assigning a value to a corresponding sensor according to the current server CPU resource utilization rate, so as to obtain corresponding sensor data (S300); the BMC comparing the corresponding sensor data with a preset alarm value (S400); and if the corresponding sensor data is not less than the preset alarm value, recording a corresponding log and giving an alarm (S500). Compared with the prior art, the method improves the convenience and efficiency of maintenance personnel monitoring ...

ANIMATION DISPLAY METHOD BASED ON FRAME RATE AND TERMINAL DEVICE

Disclosed are an animation display method based on a frame rate and a terminal device. A terminal device calculates a current frame rate of an animation page in real time, and then according to a product of a normal frame rate and a normal offset when no frame of the animation page is lost, and the current frame rate, determines a current offset relative to an operation of the previous frame in a current frame to be displayed such that the total offset of each second of an operation in the animation page calculated according to the current offset is the product of the normal frame rate and the normal offset or is a certain fixed value, and the current frame is displayed according to the current offset.

Device and method for detecting leakage caused by compression deformation of sealing ring of actuator cylinder

The invention relates to the technical field of aircraft maintenance tolerance research, in particular to a device and a method for detecting leakage caused by compression deformation of a sealing ring of an actuator cylinder. The detection device comprises a base, an upper sample plate arranged above the base, a lower sample plate located below the upper sample plate and an O-shaped sealing ring located between the upper sample plate and the lower sample plate, the lower sample plate is provided with an inner flow channel, one end of the inner flow channel is communicated with a metering cylinder, the other end of the inner flow channel is provided with an exhaust valve, the base is provided with a lever, and the lever is connected with the metering cylinder. A weight is arranged at one end part of the lever, and the other end part of the lever is connected with the bottom of the lower sample plate. According to the invention, by simulating the actual working condition of the actuator ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the field of engineering machinery, and discloses a gearbox power assembly, a control method thereof and engineering machinery, the gearbox power assembly comprises a first sub-gearbox, a second sub-gearbox, a battery, an engine and a clutch, the first sub-gearbox is a planetary gearbox, and the second sub-gearbox is a fixed shaft gearbox. When gear shifting is carried out, only one of the first sub-gearbox and the second sub-gearbox is subjected to gear shifting, and the other one of the first sub-gearbox and the second sub-gearbox is kept unchanged at the current gear, so that when a motor in one sub-gearbox structure interrupts power in the gear shifting process, the first sub-gearbox structure and the second sub-gearbox structure are switched off. The peak torque of the motor in the other sub-gearbox structure can compensate the reduced torque of the motor in the sub-gearbox structure which is shifting, so that the power is not interrupted in the shifting process ...

High-strength, high-plasticity, high-crack-tolerance and high-entropy alloy and preparation method thereof

The invention provides a high-strength, high-plasticity, high-crack-tolerance and high-entropy alloy and a preparation method thereof. The alloy comprises the following components in percentage by atom: 29%-31% of Mn, 9%-11% of Cr, 9%-11% of Si, 0.8%-1.6% of C and the balance of Fe and inevitable impurity elements. The atomic percentage ratio of C to Si in the alloy is not higher than 0.178; the volume fraction of the phase of the face-centered cubic structure in the alloy exceeds 95%. The preparation method comprises the steps of induction melting, homogenizing annealing treatment, hot rolling treatment and solution treatment. The high-entropy alloy provided by the invention is low in raw material cost and easy to prepare and process, and has high strength, high plasticity and high crack tolerance.

Multi -functional wireless POS machine

... 本实用新型公开并提供了一种结构简单，集视频、通话、IC卡交易等功能于一身的多功能无线POS机。本实用新型包括机座、设置在所述机座内的处理器以及设置在所述设置在所述机座上且与所述处理器相连接的电源模块、刷卡模块、打印模块以及数字键模块，在所述数字键模块一侧设置有显示屏，在所述显示屏下方设置有二维码扫描模块，在所述机座侧面转动连接有无线模块，在所述机座底部还设置有SIM卡槽，所述显示屏、二维码扫描模块、无线模块和SIM卡槽均与所述处理器相连接，在所述机座顶部还设置有与所述处理器相连接的数据传接板，在所述数据传接板上设置有与所述显示屏相连接的VGA口。本实用新型适用于POS机领域。 ...

Mask composition containing tea polyphenol and traditional Chinese medicine transdermal enhancer and preparation method of mask composition

The invention relates to the technical field of mask compositions, and discloses a mask composition containing tea polyphenol and a traditional Chinese medicine transdermal enhancer and a preparation method of the mask composition. The mask composition is composed of the following components in parts by weight: 90-110 parts of tea polyphenols; 2-4 parts of borneol; 1-3 parts of menthol; and 8-12 parts of glycerin. 800-1200 parts of distilled water is added into the tea polyphenols, and stirring is condcuted to promote dissolution; 400-600 parts of ethanol is added into borneol and menthol, and stirring is conducted to promote dissolution; and the three solutions are mixed, and sterilizing is conducted to prepare the composition for the facial mask. According to the mask composition containing the tea polyphenol and the traditional Chinese medicine transdermal enhancer and the preparation method of the mask composition, the mask composition not only has a certain maintenance effect on skin ...

Ballastless track bed concrete construction leveling robot

The invention discloses a ballastless track bed concrete construction leveling robot which comprises a main body frame, side frame assemblies capable of being adjusted in a lifting mode are arranged on the two sides of the main body frame correspondingly, a walking track frame capable of being adjusted horizontally is arranged below the side frame assemblies, and a plurality of outer walking wheels are arranged on the outer edge of the walking track frame correspondingly. A plurality of monitoring sensors are further arranged on the edge of the outer side of the walking track frame; a plurality of groups of leveling lifting assemblies are arranged in front of or behind the main body frame, a leveling frame is connected below the leveling lifting assemblies, a leveling plate is arranged below the leveling frame, and a leveling motor is arranged on the leveling plate. The concrete construction leveling robot can walk by itself, can complete the concrete leveling operation task within the ...

COMPOSITE POWER SUPPLY EPS ENERGY DYNAMIC CONTROL SYSTEM AND METHOD

A composite power supply EPS energy dynamic control system and method; first acquiring the real-time working current of a vehicle electrical appliance (other than a steering motor and a super-capacitor); by means of the current steering wheel torque and the vehicle speed, calculating a target current of the steering motor; and, by means of the difference between the rated current of a generator and the sum of the aforementioned two currents, determining the charge and discharge states of the super-capacitor. When the super-capacitor is charging, putting the generator in an optimal working range by means of dynamic adjustment of the charging current and, on the basis of the current super-capacitor SOC, limiting the maximum charging current thereof; and when the super-capacitor is discharging, putting the generator in an optimal working range by means of dynamic adjustment of the discharging current and, on the basis of the current super-capacitor SOC, limiting the maximum discharging current ...

Walking training rehabilitation system

The invention relates to the technical field of medical rehabilitation equipment, and discloses a walking training rehabilitation system. According to the main scheme, the system comprises a gait collection module, wherein the gait collection module is used for collecting gait parameters of a patient driven by an auxiliary device; the dynamic weight reduction unit is used for performing dynamic weight reduction according to actual gaits when the patient performs training rehabilitation; the walking supporting module is used for installing the dynamic weight reduction module and is further used for moving along with the patient and providing walking support for the patient; the information processing module is used for generating control parameters based on the gait parameters acquired by the gait acquisition module and transmitting the control parameters to the control module; and the control module is used for controlling the dynamic weight reduction module according to the control parameters ...

Split structure of B-type fuel cabin of container ship and epoxy resin pouring device for laminated wood

The invention relates to the technical field of cabin structure design, in particular to a split structure of a B-type fuel cabin of a container ship and a laminated wood epoxy resin pouring device, and provides the split structure of the B-type fuel cabin of the container ship and the laminated wood epoxy resin pouring device which are convenient to operate and easy to control the thickness of epoxy resin. A laminated wood epoxy resin pouring device of a split structure of a B-type fuel cabin of a container ship comprises a pouring tank, a sealing cover, a sliding rod, a stirring mechanism and the like. The pouring tank is hollow and provided with a feeding port, a sealing cover is arranged on the upper portion of the pouring tank, a sliding rod is fixedly connected to the upper portion of the outer side wall of the pouring tank, and a stirring mechanism used for stirring epoxy resin is arranged on the sliding rod in a sliding mode. By arranging the lifting mechanism, the split fuel cabin ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the technical field of engineering machinery, in particular to a gearbox power assembly, a control method thereof and engineering machine.The gearbox power assembly comprises a motor, a main gearbox and an auxiliary gearbox, and the main gearbox comprises a first planet row, a second planet row and a first gear switching mechanism; the auxiliary gearbox comprises a third planet row and a second gear switching mechanism. The form of the main gearbox and the auxiliary gearbox is adopted, switching of 3 * 2 gears can be achieved, namely, switching of six gears can be achieved, during gear switching, the auxiliary gearbox can be controlled to be fixed to one gear firstly according to the working condition, then the main gearbox is controlled to be switched to the corresponding gear, and different working condition requirements can be better met; in addition, the main gearbox and the auxiliary gearbox are both planetary gearboxes, the combination form is novel, manufacturing ...

INFORMATION INTERACTION METHOD AND DEVICE

Disclosed in the present application are an information interaction method and device. The method comprises: the terminal device transmits attachment request information to a core network device, and receives attachment acceptance information of the core network device, wherein the attachment acceptance information comprises a first integrity check code; the terminal device acquires a second integrity check code on the basis of the attachment acceptance information; if the first integrity check code and the second integrity check code are the same, the terminal device acquires a third integrity check code on the basis of encrypted attachment completion information, and transmits the encrypted attachment completion information with the third integrity check code added to the core network device. According to the solution disclosed in the embodiment of the present application, only the attachment request information, the attachment acceptance information, and the attachment completion information ...

Method for preparing modified rubber powder by grafting gutta-percha and application of rubber powder

The invention discloses a method for preparing modified rubber powder from grafted gutta-percha and application of the rubber powder, firstly, gutta-percha is put into an internal mixer for internal mixing for 5 min, then a uniform mixture of maleic anhydride and an initiator is added into the internal mixer, and after continuous reaction for 5 min, the grafted modified gutta-percha is obtained. Then, the grafted modified gutta-percha and rubber powder are subjected to high-temperature mixing, so that the modification process of the rubber powder by the grafted gutta-percha is completed, and the modified rubber powder is obtained. The rubber powder is applied to preparation of rubber asphalt, and the obtained rubber modified asphalt has excellent pavement performance. The method has the unique advantages of being reliable in technology, short in reaction time, capable of being continuously operated, low in cost and the like, no chemical solvent is added in the reaction process, no chemical ...

INTERACTIVE METHOD AND SYSTEM FOR BMC AND SERVER OS

Disclosed is an interactive method and system for a BMC and a server OS. The method comprises: after a BMC and a server OS are located in the same local area network and the BMC establishes a communication connection with the server OS, the BMC obtains version information of the server OS; the BMC sends a preset command for obtaining server OS information corresponding to the version information of the server OS to the server OS; the BMC receives the server OS information sent by the server OS according to the command; and the BMC presents the server OS information in a preset format on a BMC web page. The present invention improves the comprehensiveness and accuracy of the BMC monitoring the server.

Circuit is hit in power lightning protection

... 本实用新型公开并提供了一种电源防雷击电路，它包括接口插件Ⅰ（J1）、接口插件Ⅱ（J2）、变压器（T1）、压敏电阻Ⅰ（RV2）、压敏电阻Ⅱ（RV3）、压敏电阻Ⅲ（RV4）、TVS管Ⅰ（TVS38）、TVS管Ⅱ（TVS39），本实用新型整个电路为防雷电路，其中防雷电路采用3个压敏电阻和2个TVS管组成复合式对称电路，共模、差摸全保护。本实用新型电路简单，采用复合式对称电路，共模、差摸全保护，可以不分L、N端连接。基于压敏电阻和TVS管的单项并联式防雷电路在近年的铁塔动环系统开发中逐渐被广大设计人员所青睐，本实用新型所设计的电路就其严谨性，完全符合国标GB/T 17626.5的试验标准。 ...

Impact crushing type sleeve suspension device assembly

The invention provides an impact breaking type casing suspension device assembly which comprises a breaking plate, an impact sleeve, a lower cylinder, a shear pin, an upper cylinder, a shear sleeve, an elastic check ring, a spacer bush and a spring, the upper cylinder is connected with the lower cylinder, the impact sleeve is coaxially arranged in the upper cylinder in a sleeved mode, the lower end of the impact sleeve is connected with the lower cylinder, and the shear pin is connected with the upper cylinder. The upper end of the impact sleeve is connected with a shearing sleeve, the outer wall of the shearing sleeve is tightly attached to the inner wall of the upper cylinder body, a shearing pin is arranged between the shearing sleeve and the impact sleeve, and the shearing sleeve and the impact sleeve are connected and axially limited through the shearing pin; the rupture plate is arranged in the upper cylinder body and is positioned above the shearing sleeve; the spacer bush is arranged ...

Preparation method for preparing high-strength and high-plasticity graphene titanium composite material through interface modification

The invention relates to a method for preparing a high-strength and high-plasticity graphene-titanium composite material through interface modification, the composite material comprises ferroferric oxide, graphene and metallic titanium as nominal components, and the state of a Fe3O4 coating layer is regulated and controlled by controlling the concentration and proportion of Fe < 3 + > and Fe < 2 + > solutions and the mass proportion of the graphene material, so that the high-strength and high-plasticity graphene-titanium composite material is obtained. The pH value of the solution is regulated and controlled by using an electrostatic assembly method, so that Fe < 3 + > and Fe < 2 + > are complexed to form Fe3O4 which is separated out on the surface of the graphene, and the surface modification effect of the graphene is achieved; the thickness and the state of the prepared Fe3O4 modification layer are controllable, the Fe3O4 modification layer has strong binding force with graphene, and ...

REAL-TIME TUMOR POSITION MONITORING SYSTEM AND MONITORING METHOD THEREOF

Disclosed is a real-time tumor position monitoring system, comprising a pneumotachometer, a handpiece MLC driving mechanism and a PLC controller. The pneumotachometer comprises a pneumotachometer body (1), the left side and the right side of the pneumotachometer body (1) are provided with a trumpet-shaped tube (4) and an exhaling tube (5) respectively, a flowmeter (6) is provided on the exhaling tube (5), and the end portion of the exhaling tube (5) is hinged to a first open/close valve (7). The handpiece MLC driving mechanism comprises two longitudinal guide rails (10), the longitudinal guide rails (10) are each provided with two sliders (11) capable of sliding along the longitudinal guide rails (10), the sliders (11) are each provided with a guide sleeve (12), a horizontal guide rail (17) is provided between two opposite guide sleeves (12), and an MLC is provided between the two horizontal guide rails (17). Further disclosed is a tracking method. The system can more accurately track tumor ...

Electric energy meter prediction type pulse output method, system and device and storage medium

The invention discloses an electric energy meter predictive pulse output method, system and device and a storage medium. The method comprises the following steps: S1, initializing a first timer and a second timer; s2, periodically acquiring a power value and calculating total energy; s3, if the total energy is greater than the energy threshold value, triggering a pulse pin of a second timer, and performing S2; otherwise, calculating the predicted total energy; s4, if the predicted total energy is greater than the energy threshold value, triggering a second timer pulse pin at the predicted time; and otherwise, performing S2. The method has the advantages that future pulses can be predicted, and the method is not limited by metering chips, PWM devices and the like.

Method for obtaining core-shell structure from immiscible alloy

The invention relates to a method for obtaining a core-shell structure from an immiscible alloy, which comprises the following steps of: smelting Cu and Co raw materials by adopting a vacuum non-consumable arc smelting method to obtain a Cu50Co50 immiscible alloy button ingot; the obtained alloy is subjected to non-equilibrium solidification treatment in a solidification treatment device to obtain the large supercooling degree of 190-320 K, then a cooling curve is observed, in the last time of cooling, after liquid phase separation is observed according to the cooling curve, continuous temperature control cooling is carried out, the cooling time cannot exceed half of the time from liquid phase separation to a nucleation interval, and the alloy is obtained. The time is not less than 1/3 of the interval, and the sample is rapidly taken out and rapidly quenched in water within the interval. According to the method, after solidification process parameters of the Cu50Co50 immiscible alloy are ...

PSA nitrogen making machine

The invention discloses a PSA nitrogen making machine which comprises a tripod, the upper portion of the tripod is fixedly connected with a tank body, the bottom of the tank body is provided with a cleaning mechanism, fan blades are arranged in the tank body, a filter screen is arranged in the tank body, a beating hammer is arranged above the filter screen, and a conveying belt is arranged below the filter screen. A top cover is arranged at the upper part of the tank body; an air inlet pipe and an air outlet pipe are arranged at the left part of the tank body; a funnel is arranged at the bottom of the tank body; a molecular sieve is arranged at the upper part of the tank body; small-particle impurities on the filter screen are cleaned, collected and transported to the outside of the device, so that the filtering effect of the filter screen is conveniently improved, and the nitrogen extraction rate is increased.

Electric drive axle power assembly, control method thereof and engineering machinery

The invention relates to an electric drive axle power assembly, a control method thereof and engineering machinery, the electric drive axle power assembly comprises a motor, a gearbox, a differential mechanism and a hub reduction gear, and the output end of the motor is connected with an input shaft; the gearbox comprises a plurality of gear pairs, a first gear switching mechanism, a plurality of planet rows and a second gear switching mechanism, each gear pair comprises a driving gear and a driven gear which are meshed with each other, the driving gear sleeves the input shaft through a bearing, and the driven gear fixedly sleeves the intermediate shaft; the first gear switching mechanism is used for switching a power transmission path from the input shaft to the intermediate shaft; the planet rows are arranged in series in the axial direction of the intermediate shaft. The second gear switching mechanism is used for switching a power transmission path from the intermediate shaft to the ...

Photogrammetry method and device for body type data of field Yangtze River cowfish

The invention provides a photogrammetry method and a photogrammetry device for body type data of a field Yangtze River cowfish. The method comprises the following steps: preparing a scale buoy device and aerial photography unmanned aerial vehicle equipment, determining a take-off point of an aerial photography unmanned aerial vehicle, setting shooting during aerial photography of the unmanned aerial vehicle, selecting an aerial photography image and determining a focal height, shooting the scale buoy image, and measuring the body type of the field cowfish image. The method belongs to a non-invasive and indirect sampling method, the survival habits and activity rules of the field cowfishes are not influenced in implementation, no negative influence is caused on the Yangtze River cowfishes and the natural ecological environment, and compared with a traditional large whale measuring method, the method has the advantages of being safe, stable and environmentally friendly. The device provided ...

Edible and medicinal composition with metabolic regulation function, medicament and preparation method

The invention relates to the technical field of health-care food, in particular to an edible and medicinal composition with a metabolic regulation function, a medicament and a preparation method. The food and medicine homologous formula comprises phytosterol ester, lactobacillus bifidus, stevioside, peach kernels, lily bulbs, zinc succinate, mixed vitamins and taurine; the medicine with homology of food and medicine is prepared from a formula with homology of food and medicine; the method comprises the following steps: stirring and mixing peach kernels, lily bulbs, stevioside, zinc succinate, phytosterol ester and mixed vitamins at a first constant temperature, and then grinding and filtering to obtain a first mixture; adding lactobacillus bifidus and taurine into the first mixture, and then performing second constant-temperature stirring and mixing to obtain a second mixture; the second mixture is dried and then cooled, and a composite agent is obtained; through the peach kernels, stevioside ...

Device and method for testing inner leakage of actuator cylinder under multiple working conditions

The invention relates to the technical field of actuator cylinder performance testing, in particular to a testing device and method for the inner leakage amount of an actuator cylinder under multiple working conditions, and the testing device comprises a metering cylinder connected with an end cover through a hose, and a crank sliding block mechanism which is arranged on a first test bench, is hinged to a piston rod, and is used for providing driving force for reciprocating motion. The method comprises the following specific steps: S1, sealing; s2, moving; s3, wear leakage; the actual working condition of the actuator cylinder can be simulated, the leakage amount of the rubber ring can be accurately measured, meanwhile, the change of the leakage amount of the rubber ring under various different working conditions can be measured, the big problem that the leakage amount is difficult to measure due to the fact that liquid is left in the cylinder wall and the piston rod in the leakage process ...

Power distribution system and method of battery system, vehicle and storage medium

The invention discloses a power distribution system and method for battery systems, a vehicle and a storage medium. The system comprises a vehicle control unit, a vehicle information acquisition module, at least two motors and at least two battery systems, and the motors correspond to the battery systems one to one; the vehicle information acquisition module is in communication connection with the vehicle control unit and is used for acquiring vehicle information and sending the vehicle information to the vehicle control unit; the vehicle control unit is in communication connection with the battery systems and the motors and used for obtaining battery information of the battery systems and motor information of the motors and determining power supply information corresponding to the battery systems according to the battery information, the motor information and the vehicle information in combination with a predetermined power supply strategy; and each battery system is connected with the ...

Performance evaluation method for Internet of Vehicles coding caching

The invention discloses a performance evaluation method for Internet of Vehicles coding caching, which is used for evaluating system communication performance for Internet of Vehicles coding caching in a large-range traffic scene, and can be used for analyzing content transmission success probability to obtain a numerical solution very close to a Monte Carlo simulation result. The problem of evaluating content segmentation caching in an Internet of Vehicles scene is solved.

Lactobacillus fermentum A21215 for reducing blood uric acid and application of lactobacillus fermentum A21215

The invention relates to the field of microorganisms, and discloses a lactobacillus fermentum A21215 for reducing blood uric acid and application thereof, the lactobacillus fermentum A21215 is preserved in Guangdong Microbial Culture Collection Center on November 11, 2022, and the preservation number is GDMCCNO: 62963. The microbial classification is named as Limosilicilla fermentum, and the microbial classification is named as Limosilicilla fermentum. The strain can degrade nucleoside purine and inhibit the activity of xanthine oxidase, has high adhesiveness to colonic epithelial cells, inhibits the growth of pathogenic bacteria, effectively reduces the blood uric acid level of hyperuricemia model mice, and is suitable for production of low-purine food and purine-reduced functional fermented food.

For cascade in-phase power supply converter device structure

... 本发明涉及种用于级联式同相供电变流器的结构装置，所述装置包括可供串联和并联的功率单元、若干列功率单元单柜连接而成的柜体及容纳柜体的集装箱；本发明的整体结构设计以及针对功率单元的连接在结构装置内优化、高效的串、并联设计以及电气结构对称设计形成背靠背的功率单元，使得高压同相供电系统的功能在结构实现上成为可能，实现了取消电分相、提高列车安全性和舒适性，减少无功电流和谐波电流对系统危害的技术效果。 ...

PSA oxygen generator convenient to use

The invention relates to a PSA oxygen generator convenient to use, which comprises a base, a first adsorption tower, a second adsorption tower, an exhaust tank and an oxygen tank, the first adsorption tower, the second adsorption tower and the exhaust tank are respectively provided with an air outlet and an air inlet, and the air inlets of the first adsorption tower and the second adsorption tower are respectively connected with a pipeline. The two pipelines are detachably communicated with a first pipeline control device, the first pipeline control device is communicated with an air inlet pipe so as to realize air inlet control of the first adsorption tower and the second adsorption tower, a second pipeline control device is arranged below the first pipeline control device, and two ends of the second pipeline control device are detachably communicated with the two pipelines. The second pipeline control device is communicated with an exhaust tank so as to realize nitrogen discharge control ...

Press fitting system and method

The invention discloses a press-fitting system and a press-fitting method, the press-fitting system is used for press-fitting a magnet on a product, and the press-fitting system comprises a dispensing device and a press-fit device. The dispensing device comprises a dispensing tool for placing a magnet, a first code scanning head which is arranged in the dispensing tool and is used for identifying a magnet identification code, a dispensing industrial control module for acquiring corresponding preset glue information according to the magnet identification code, and a dispensing head which is arranged in the dispensing tool and is used for dispensing the magnet according to the preset glue information; the pressing device comprises a glue recognition module used for recognizing actual glue information on the magnet, a pressing industrial control module used for comprehensively judging whether the pressing condition is met or not according to the actual glue information and preset glue information ...

Rail-mounted area dispatching command system, device and medium

The invention discloses a rail-mounted area dispatching command system and device and a medium, the system comprises a daily shift operation module, a dispatching command module, an image progress module, a plan redemption module, a driving monitoring module and a plane information module, the daily shift operation module is used for newly building and updating daily shift operation content; the dispatching command module is used for acquiring all equipment information, selecting target equipment to issue an equipment dispatching command, and generating a report to record dispatching information; the image progress module is used for presenting the professional operation progress in a form of a histogram and presenting the overall construction progress by using different colors by taking a subway line diagram as a base diagram; the plan redemption module is used for acquiring progress comparison information of bridges, turnouts, station tracks and main track laying and acquiring plan delay ...

High-strength TiAl alloy with tensile strength larger than 750 MPa and additive manufacturing method of high-strength TiAl alloy

The invention relates to a high-strength TiAl alloy with the tensile strength larger than 750 MPa and an additive manufacturing method of the high-strength TiAl alloy with the tensile strength larger than 750 MPa. The powder component of the high-strength TiAl alloy with the tensile strength larger than 750 MPa is Ti-47.5 Al-6.8 Nb-0.2 W, and the high-strength TiAl alloy with the tensile strength larger than 750 MPa comprises, by weight, 30.96% of aluminum, 16.02% of niobium, 0.94% of tungsten, 0.02% of iron, 0.0055% of carbon, 0.0158% of nitrogen, 0.0021% of hydrogen and the balance titanium and inevitable impurity elements. By adjusting the content of element components, the high-strength TiAl alloy component scheme designed for the EBM process is Ti-47. 5Al-6.8 Nb-0.2 W; compared with a TNM alloy, the high-content Al (47.5 at.%) ensures that peritectic solidification of the alloy occurs to avoid formation of a texture, so that the room-temperature plasticity is improved; compared with ...

Movable nitrogen making machine

The invention discloses a movable nitrogen making machine which comprises a base, an air compressor and a self-cleaning filter, the upper end of the self-cleaning filter is connected with a first air inlet pipeline, the side face of the self-cleaning filter is connected with a second air inlet pipeline, and the first air inlet pipeline and the second air inlet pipeline are both connected with the air compressor. A first electromagnetic valve is arranged on the first gas inlet pipeline, the self-cleaning filter is connected with a nitrogen making device through a pipeline, a first pressure gauge is arranged on the pipeline between the self-cleaning filter and the nitrogen making device, and a second electromagnetic valve is arranged on the pipeline between the pressure gauge and the nitrogen making device. The air compressor, the nitrogen making device, the first pressure gauge, the first electromagnetic valve and the second electromagnetic valve are all connected with the PLC, the air compressor ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the technical field of engineering machinery, in particular to a gearbox power assembly, a control method thereof and engineering machinery, the gearbox power assembly comprises two sub-gearbox structures which are symmetrically distributed, and each sub-gearbox structure comprises a motor, a planet row, a gear and a sliding sleeve; and the two sub-gearbox structures form dynamic coupling at the first gear ring, and power is output by the output shaft. When gear shifting is carried out, the two sub-gearbox structures can be subjected to gear shifting in sequence, so that when a motor in one of the sub-gearbox structures interrupts power in the gear shifting process, the two sub-gearbox structures can be switched in the gear shifting process; the peak torque of the motor in the other sub-gearbox structure can compensate the reduced torque of the motor in the sub-gearbox structure which is shifting, so that continuous power output is ensured in the whole shifting ...

Electric energy metering method

The invention discloses an electric energy metering method. The electric energy metering method comprises the following steps: S1, initializing a main chip and initializing configuration of a metering chip; s2, configuring AD synchronous conversion, and collecting an AD conversion value; and S3, performing electric energy data calculation according to the acquired AD conversion value. According to the electric energy metering method, the calculation method and software are improved in multiple aspects, the electric energy metering performance is improved, and the electric energy metering time is shortened. Through optimization of the electric energy metering method, compared with an original metering process, the time is shortened by 10-20%, and the possibility is provided for improving the sampling rate of metering.

Blade auxiliary braking device and method in extreme wind state of wind turbine generator

The invention relates to the field of wind generating sets, in particular to a blade auxiliary braking device for a wind generating set in an extreme wind state and a braking method thereof.The blade auxiliary braking device comprises a locking plate, a base and a locking pin, the locking plate is fixedly connected to an inner ring of a variable pitch bearing, the base is fixedly connected to a hub, and the locking pin is slidably connected to the base; a locking drive used for driving the locking pin to move is arranged on the base, the locking pin is parallel to the axial direction of the variable pitch bearing, a limiting hole allowing the locking pin to be inserted is formed in the locking plate, and the braking method comprises the steps of variable pitch, locking and unlocking. The wind power generation device has the effect of reducing the possibility of rotation of the blades in the extreme wind state.

Data copying method and device and storage medium

The invention discloses a data copying method and device and a storage medium, and the method comprises the steps: firstly receiving a copying request of to-be-copied data, and copying the to-be-copied data in a first copying region to obtain first copy data and second copy data; copying the copy starting point of the first copy data into the memory of the second copy area according to the byte sequence, shifting the copy starting point of the second copy data, and then copying the copy starting point of the second copy data into the memory of the second copy area according to the byte sequence; and finally, completing copying of the first copy data and the second copy data, and completing copying of the to-be-copied data in the second copy area. The to-be-copied data is copied separately to obtain the first copy data and the second copy data, meanwhile, in the process of copying the to-be-copied data to the second copy area memory, the copy starting point of the second copy data is shifted ...

High-entropy alloy reinforced by atomic cluster and nano precipitated phase and preparation method of high-entropy alloy

The chemical formula of the high-entropy alloy is FeaMnbNicAldSieCuf, a is larger than or equal to 51 at.% and smaller than or equal to 62 at.%, b is larger than or equal to 19 at.% and smaller than or equal to 21 at.%, c is larger than or equal to 9 at.% and smaller than or equal to 11 at.%, d is larger than or equal to 5 at.% and smaller than or equal to 7 at.%, e is larger than or equal to 5 at.% and smaller than or equal to 7 at.%, f is larger than or equal to 2.5 at.% and smaller than or equal to 3.5 at.%, and a + b + c + d + e + f is equal to 100. The preparation method comprises the steps of vacuum induction melting, homogenizing annealing, cold rolling, solid solution treatment and aging treatment. The atomic cluster and nano precipitated phase enhanced high-entropy alloy provided by the invention is easy to prepare and process, and a large number of nanoscale Cu-rich atomic clusters and nanoscale B2 precipitated phases of a body-centered cubic structure contained in the alloy can ...

Multi-source bridge traffic jam prediction method based on spatial discretization

The invention provides a multi-source bridge traffic jam prediction method based on spatial discretization, which is applied to the technical field of processing methods for prediction purposes, and comprises the following steps: S1, obtaining traffic information of a bridge, classifying the traffic information, and then carrying out data analysis, the data analysis comprises predictability analysis of a prediction object and linear or nonlinear analysis of influence factors of the prediction object; s2, carrying out data accumulation processing on the traffic information; s3, establishing a grey prediction model; s4, acquiring the speed of the motor vehicles of the bridge, and measuring the correlation between the motor vehicles by using a spatial discretization algorithm; and S5, outputting a final prediction result, and sending the prediction result to the user in a data or graphic display manner through a TCP communication protocol. The method achieves the comprehensive prediction of ...

Composite substrate with high dielectric constant and low dielectric constant temperature coefficient and preparation method thereof

The invention discloses a composite substrate with a high dielectric constant and a low dielectric constant temperature coefficient and a preparation method thereof, and belongs to the technical field of high-frequency miniaturized composite material substrates. The composite substrate is prepared from the following components in parts by weight: 70 to 85 parts of ZnO-TiO2-Nb2O5-based ceramic powder filling material, 10 to 20 parts of Nb2O5-based ceramic powder filling material, and 10 to 20 parts of ZnO. 0.5 to 2 parts of a silane coupling agent; 2-4 parts of a curing agent; 5 to 20 parts of polyolefin resin; and 3-5 parts of an assistant cross-linking agent. The ZnO-TiO2-Nb2O5-based ceramic powder provided by the invention has the characteristics of adjustable high dielectric constant, low dielectric loss, adjustable low resonant frequency temperature coefficient and low sintering temperature, and the composite substrate prepared by using the ZnO-TiO2-Nb2O5-based ceramic powder as a filler ...

Preparation method of high-temperature and high-strength titanium alloy foil coiled tape

The invention provides a preparation method of a high-temperature and high-strength titanium alloy foil coiled strip, which comprises the following steps: carrying out hot rolling on a high-temperature and high-strength titanium alloy plate blank to prepare a 5.0 mm plate, and carrying out online temperature compensation in the hot rolling process; cutting a plate with the size of 5.0 * 400 to 600 * 400 to 800 mm, and carrying out solution treatment; a plate with the thickness of 5.0 mm is made into a ply rolling bag, then a plate with the thickness of 0.5 mm is prepared through reversing hot rolling, online temperature compensation is needed in the rolling process, and then heat treatment, shape correction treatment and surface oxide layer sanding are conducted; cutting a plate with the size of 0.5 * 100-400 * 2000-5000 mm for tension rolling, and mounting an online auxiliary heating system to realize temperature-control large-deformation strip tension rolling of the high-temperature high-strength ...

Alpha-beta double-phase titanium alloy with high strength and high impact toughness matching and preparation method of alpha-beta double-phase titanium alloy

The invention discloses an alpha-beta double-phase titanium alloy with high strength and high impact toughness matching, the alpha-beta double-phase titanium alloy comprises the following components in percentage by mass: 4.3-5.3% of Al, 6.8-8.0% of V, 0.3-0.7% of Si, 0.3-0.5% of Mo, 0.2-0.5% of Zr and the balance of Ti and inevitable impurities, and the element ratio of Al, V, Mo and Zr needs to meet the requirement: the invention also provides a preparation method of the double-phase titanium alloy: vacuum arc melting and ingot casting are performed according to the component ratio. And the cast ingot is put into a box-type furnace at the temperature of 880-950 DEG C to be subjected to heat preservation for 1 h, then three-pass hot rolling is conducted, remelting heat preservation is conducted for 5-10 min between passes, and the accumulative deformation amount is 70%-80%. The rolled plate is subjected to water quenching; putting into a box-type furnace, annealing at 820-900 DEG C for ...

Permanent magnetic slip clutch and control method

... 本发明涉及种永磁式转差离合器及控制方法。永磁式转差离合器包括外转子、内转子、三相绕组电刷、能量回收装置和控制器；能量回收装置回收产生于三相绕组中的转差损耗，可外接其他电器设备；控制器控制能量回收装置中各MOS管的通断。控制方法是以协调永磁式转差离合器的调速性能和回收性能为目标控制各信号的输出。本发明提高了转差离合器的功率密度，减小了输出轴的转动惯量，提高了响应性，提高了效率；提出的控制方法提高了回收装置的功率因数，减小了转差离合器的转矩波动，增强了永磁转差离合器的输出转速特性。 ...

IGBT module packaging structure

The utility model discloses an IGBT module packaging structure comprising a base plate, a support is installed on the base plate, two DBC chips are installed on the support, the two DBC chips are connected through a connecting bridge, one DBC chip is provided with a first signal terminal and a second signal terminal, and the other DBC chip is provided with a third signal terminal and a fourth signal terminal. A power terminal A and a power terminal B are correspondingly arranged on the two DBC chips, a shell connected outside the support in a sleeving mode is connected to the bottom plate, a first inserting hole and a second inserting hole are formed in the shell, a nut groove is formed in the shell, a nut with an edge is arranged in the nut groove, and the power terminal A and the power terminal B are fixed to the nut with the edge through a cross screw after being bent. According to the utility model, the structure is simple, the plug-in type structure is arranged, so that the installation ...

Static device for switching power supply among different power supplies

The invention relates to the technical field of power supply and distribution of important data centers and important low-voltage equipment, and particularly discloses a static device for switching power supply among different power supplies. An I-path wire inlet terminal and an II-path wire inlet terminal are respectively connected with wire inlet ends of corresponding main loop control molded case circuit breakers in an operation display area; the wire outlet end of the corresponding main loop control molded case circuit breaker in the operation display area is connected with the wire inlet end of the fuse and the wire inlet end of the silicon controlled rectifier in the main loop area. And the wire outlet end of the silicon controlled rectifier in the main loop area is connected with the wire inlet end of the corresponding main loop control molded case circuit breaker. According to the invention, switching between the two paths of power supplies can be completed in a short time when ...

Battery system and electric engineering machinery

The invention relates to the technical field of engineering machinery, and discloses a battery system and an electric engineering machine.According to the special-shaped space size of a whole machine, the number of battery cells in each battery pack is reasonably distributed, and the sum of the number of the battery cells of all the battery packs is an integral multiple of N0; the method comprises the following steps: dividing a battery pack of which the number of battery cells exceeds N0 into two battery assemblies, marking each battery pack of which the number of battery cells is less than N0 as a battery assembly, and connecting every two battery assemblies in series to form a battery branch; the battery pack and the battery assembly with the number of battery cells equal to N0 respectively form a battery branch, and all the battery branches are arranged in parallel, so that each battery branch forms a standard battery pack with the number of battery cells equal to N0, the voltages of ...

Linear feeding device of oil press

The linear feeding device of the oil press comprises a main body mechanism, a material sheet lifting mechanism is arranged on the lower portion of the main body mechanism, a material sheet preparation mechanism and a conveying and oil brushing mechanism are arranged in the middle of the main body mechanism, a movement power mechanism is arranged on the upper portion of the main body mechanism, and a movement mechanism is arranged on the movement power mechanism. A plurality of groups of material taking mechanisms are arranged on the movement mechanism; the main body mechanism comprises a rack, a control panel, a material sheet preparation mechanism switching track and a plurality of guide rail seats are arranged on the rack, vertical guide rails are arranged on the guide rail seats, and a material detection switch is arranged on the rack. The automatic feeding device is novel in structure and reasonable in design, automatic feeding is adopted, the requirement for double-face oil brushing ...

Perovskite solar cell based on water vapor regulation and control of PbI2 and preparation method thereof

The invention discloses a perovskite solar cell for regulating and controlling PbI2 based on water vapor. The perovskite solar cell sequentially comprises a transparent conductive substrate, an electron transport layer, a perovskite light absorption layer, a hole transport layer and a metal electrode layer from bottom to top, wherein the interface regulation and control layer of the perovskite light absorption layer is water vapor; the surface of PbI2 is treated by using water vapor, so that ordered growth of lead iodide is effectively regulated and controlled, organic ammonium salt and lead iodide are enabled to react completely, non-radiative recombination of the perovskite solar cell is reduced, and the quality of a perovskite thin film is improved; the invention further provides a preparation method, and the perovskite solar cell is prepared by preparing the perovskite light absorption layer subjected to water vapor treatment. Compared with the prior art, the lead iodide grows orderly ...

Grinding fluid high-uniformity adding device and method

The invention relates to the technical field of intelligent grinding of plane valves of mechanical part accessories of airplanes, in particular to a high-uniformity grinding fluid adding device and method and an adding device.The high-uniformity grinding fluid adding device comprises a grinding table and further comprises a grinding disc arranged on the grinding table; the grinding liquid spraying system is arranged on the grinding table and located on the side edge of the grinding disc; the micrometer detection system is arranged on the grinding table and located on the side edge of the grinding disc; the grinding disc cleaning system is arranged on the grinding table and located above the grinding disc; a water spraying mechanism; and a water absorption mechanism. By means of the grinding fluid adding device, uniform adding of grinding fluid in the intelligent grinding device for the plane valve can be achieved, and the problems of uneven smearing, grinding fluid waste and the like existing ...

Automatic fault alarm method based on Feiteng multipath server

The invention relates to an automatic fault alarm method based on a Feiteng multipath server, which is used for solving the problems that the existing period setting mode for fault diagnosis of the multipath server is relatively fixed and cannot be adjusted and updated in time, and the fault diagnosis sequence of each component of the multipath server is also relatively fixed and cannot be adjusted and updated in time. The invention relates to an automatic fault alarm method based on a Feiteng multipath server, and solves the problems that the priority setting of a diagnosis sequence cannot be realized, the timely alarm of the fault of the multipath server cannot be ensured, and the stability of the server is difficult to ensure in the prior art, in particular to an automatic fault alarm method based on the Feiteng multipath server. According to the invention, by clearly setting the diagnosis period of the next stage of the multi-path server, timed tasks of the multi-path server are added ...

Preparation method of yttrium oxide nanocrystal coated graphene material with controllable coating layer state

The invention provides a preparation method of a yttrium oxide nanocrystal coated graphene material with a controllable coating layer state, which comprises the following steps: pickling graphene materials with different volume fractions to remove impurities, adsorbing hydrogen ions or hydroxyl groups on the surface of graphene, preparing a Y < 3 + > solution with a certain concentration according to the required Y2O3 coating degree, and preparing the yttrium oxide nanocrystal coated graphene material with the controllable coating layer state. The preparation method comprises the following steps: preparing a Y3 + solution, pouring a graphene material, uniformly mixing to obtain a mixed solution, heating and stirring the mixed solution, further accelerating precipitation and crystallization of a precipitated phase to obtain a yttrium oxide nanocrystal-coated graphene powder material, and regulating and controlling the state of a Y2O3 coating layer by controlling the concentration of the ...

Metal roof upright lockrand system and construction method thereof

The invention discloses a metal roof upright lockrand system and a construction method thereof, the metal roof upright lockrand system comprises a plurality of upright lockrand tools, the upright lockrand tools are connected through steel wire ropes, each upright lockrand tool comprises a support fixing rod, a clamp and a steel wire rope support, the top of the clamp is connected to the support fixing rod, and the steel wire rope support is fixed on the support fixing rod. According to the vertical lockrand system for the metal roof, roof board blocks can be effectively connected into a whole, and the situation that under the roof wind load effect and the external force and gravity effect, the roof board blocks are damaged, fall off and fall down, pedestrians or vehicles passing by are hurt, and safety accidents are caused is avoided.

Machine-made sand vibrating screen fault detection method and system based on multi-factor comprehensive analysis

The invention relates to the technical field of machine-made sand equipment fault monitoring and early warning, in particular to a multi-factor comprehensive analysis machine-made sand vibrating screen fault detection method and system, and the method comprises the steps: obtaining a data reference of a vibrating screen in a working state according to a sampling period; obtaining vibrating screen monitoring data according to the sampling period; comparing the working current of the vibrating screen with the working current sample of the vibrating screen to obtain a current difference value; and/or comparing the feeding rate of the vibrating screen with the feeding rate sample of the vibrating screen to obtain a feeding rate difference value, and finding out a data reference closest to the vibration data according to a comparison result; and extracting a maximum amplitude reference and a vibration frequency spectrum reference from the vibration data samples of the vibration screen closest ...

Opening and closing spring operating mechanism

The invention discloses an opening and closing spring operating mechanism. Comprising an outer frame, a vacuum bubble, a circuit breaker main shaft, a pull rod crankshaft, a control crankshaft, a closing spring and an opening tension spring, wherein the vacuum bubble is internally provided with an opening and closing terminal; the circuit breaker main shaft is rotationally connected to the middle part of the outer frame; the pull rod crankshaft and the control crankshaft are fixedly arranged on the outer wall of the circuit breaker main shaft; the opening and closing contacts are instantaneously contacted or separated, so that the instantaneity of the opening and closing action is ensured; a closing function and closing energy storage are realized by arranging the closing spring at the bottom of the equipment, so that the closing spring is far away from the insulating pull rod, the insulating function of the insulating pull rod is not affected, and the service life of the insulating pull ...

Astragalus polysaccharide APSN as well as preparation method and application thereof

The invention discloses an Astragalus polysaccharide APSN (Astragalus Polysaccharide), which comprises 1, 4-linked alpha-D-Glcp, t-beta-D-Glcp and 1, 6-linked alpha-D-Glcp. A main chain framework is composed of 1, 4-connected alpha-D-Glcp, side chains are 1, 6-connected alpha-D-Glcp and t-beta-D-Glcp, the 1, 6-connected alpha-D-Glcp is connected to any O-6 position of the 1, 4-connected alpha-D-Glcp to form the 1, 4, 6-connected alpha-D-Glcp, and the t-beta-D-Glcp is connected to the 1, 6-connected alpha-D-Glcp. The astragalus polysaccharide APSN disclosed by the invention can induce RAW264.7 cells to be converted from M1 subtype to M0 type, so that the generation of inflammation is reduced, the inflammatory response of HUVECs can be alleviated, and the growth of the HUVECs is promoted.

Video data transmission method and device, equipment and storage medium

The invention discloses a video data transmission method, apparatus and device, and a storage medium, relates to the technical field of data transmission, and accurately determines that the real-time network state can be directly reflected through a plurality of parameters, such as actual round-trip delay and packet loss detection duration, in the current network state if a target video data packet is lost. According to the method, the compensation duration required for retransmission of the target video data packet is determined according to the packet loss compensation duration, and then whether the video playing effect of the video receiving end is affected by a transmission strategy for packet loss compensation by retransmission of the target data packet is determined by comparing the local cache duration fed back by the video receiving end with the packet loss compensation duration. Therefore, the appropriate target transmission strategy is selected from the transmission strategy set ...

Method and device for clamping plane valve shell of mechanical part accessory

The invention relates to the technical field of intelligent grinding of plane valves of mechanical part accessories of airplanes, in particular to a clamping method and device for plane valve shells of mechanical part accessories, and the clamping device comprises a valve clamping mechanism. A counterweight eccentric block; the vertical movement mechanism is connected with the valve clamping mechanism; the horizontal transverse swinging mechanism is connected with the vertical movement mechanism; and the horizontal longitudinal movement mechanism is connected with the horizontal transverse swinging mechanism. According to the device, the functions of stable clamping in the grinding process of a mechanical part accessory plane valve, self-adaptive change of the height of a valve shell in the grinding process, automatic control over the track of the valve shell in the grinding process and the like are achieved, and the technical difficulty of intelligent grinding of the plane valve is effectively ...

Curtain wall vertical grating capable of adjusting windward angle and method

The invention discloses a curtain wall vertical grating capable of adjusting the windward angle and a method, the device comprises a grating, a bracket, a rotating clamping plate, a driving motor, an integrator and a fixed clamping plate, the rotating clamping plate is fixedly connected with the grating through a plurality of anchor bolts, and the fixed clamping plate is connected with the rotating clamping plate through a rotating bearing; the fixing clamping plate is provided with a plurality of holes, the driving motor and the integrator are fixed to the middle of the bracket through the holes by means of chemical anchor bolts, and the method comprises the installation step and the using method. The windward angle of the vertical grid of the curtain wall under the strong wind load effect is automatically adjusted through an intelligent control system (a wind pressure sensor and a signal processor), safety and reliability are ensured, extreme stress of a mounting connecting piece is prevented ...

Industrial control examines core plate based on SPIFlash starts i. MX6

... 本实用新型旨在提供一种能有效保证启动介质的数据完整性的基于SPI Flash启动i.MX6的工业控制核心板。本实用新型包括i.MX6核心板主体，在核心板主体上设置有基于SPI Flash的启动电路，该电路包括SPI Flash芯片，该芯片的第1脚为电平输入，第2脚为输出脚，第3脚通过第五电阻R5与电源连接，第4脚共地，第5脚为输入脚，第6脚连接时钟装置，第7脚通过第六电阻R6与电源链接，第8脚与电源连接，在第六电阻R6与电源之间连接有第一电容C1，第一电容C1的另一端共地，在第五电阻R5与SPI Flash芯片的第3脚之间通过第十电阻R10共地。本实用新型可应用于集成电路产品设计领域。 ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the technical field of engineering machinery, in particular to a gearbox power assembly, a control method thereof and engineering machinery, the gearbox power assembly comprises two sub-gearbox structures which are symmetrically distributed, and each sub-gearbox structure comprises a motor, a planet row, a gear and a sliding sleeve; the two sub-gearbox structures form dynamic coupling at the first planet carrier, and power is output through the output shaft. When gear shifting is carried out, the two sub-gearbox structures can be subjected to gear shifting in sequence, so that when a motor in one of the sub-gearbox structures interrupts power in the gear shifting process, the two sub-gearbox structures can be switched in the gear shifting process; the peak torque of the motor in the other sub-gearbox structure can compensate the reduced torque of the motor in the sub-gearbox structure which is shifting, so that continuous power output is ensured in the whole shifting ...

Picture transmission method and device, storage medium and electronic device

The invention discloses a picture transmission method and device, a storage medium and an electronic device.The method comprises the steps that in the process that a video stream is transmitted to a receiver through a transmission channel, under the condition that a target picture is about to be uploaded to the receiver, whether the transmission channel is transmitting a video frame at the current moment or not is determined; under the condition that the transmission channel is transmitting the first video frame, determining a first transmission idle time period after the transmission channel transmits the first video frame, and transmitting the target picture to the receiver in the first transmission idle time period; and under the condition that the transmission channel does not transmit the video frame, determining a second transmission idle time period after the transmission channel transmits a second video frame to be uploaded in the video stream, and transmitting the target picture ...

Method for efficiently evaluating material lattice thermal conductivity

The invention relates to a method for efficiently evaluating the lattice thermal conductivity of a material, which comprises the following steps of: reading a structure file and an energy file obtained by calculation according to a first principle to obtain Helmholtz free energy, and deriving the Helmholtz free energy to obtain a series of thermophysical parameters such as heat capacity, bulk modulus and the like. The method comprises the following steps: firstly, selecting a Poisson's ratio, then calculating five Grunesen parameters of a corresponding material, selecting four approximate values of the Poisson's ratio according to experimental values to correct a Debye model, and finally substituting the five Grunesen parameters into four different Debye model relational expressions to obtain 20 different combinations of Debye temperatures. The 20 kinds of Debye temperatures and the 5 kinds of Gruneisen parameters are substituted into a Slack model to solve the theoretical thermal conductivity ...

Water storage infiltration device

The invention discloses a water storage and infiltration device, and solves the technical problem that plants in desertification regions are poor in water shortage and growth due to poor water storage and infiltration effects. The water storage infiltration device comprises a water storage tank and an elastic self-sealing mechanism, a third through hole is formed in the top of the water storage tank, the elastic self-sealing mechanism is arranged in the water storage tank and can block or open the third through hole under the action of elastic force and pressure, and the water storage tank is provided with a hollow bionic tree root. One end of the bionic tree root is communicated with the water storage tank, and the other end of the bionic tree root extends freely. The device has the advantages of good water storage and infiltration effects and the like.

Tool with module electrode bending function

The invention relates to the technical field of bending tools, in particular to a module electrode bending tool which comprises a positioning bottom plate, a machining table is fixedly connected to the center of the upper surface of the positioning bottom plate, guide sliding blocks are symmetrically and slidably connected to the interior of the positioning bottom plate, and an electric push rod is fixedly connected to the position, located in the positioning bottom plate, of one side of each guide sliding block. The upper surfaces of the two guide sliding blocks are fixedly connected with a vertical frame. The lower end of the bending plate moves to the outside of the electrode main body through mutual cooperation of internal parts of equipment, and when a gear plate is engaged with a single-sided toothed plate, a movable sliding block enters an internal arc-shaped groove of an arc-shaped plate to slide, so that the electrode main body in the clamping groove of the bending plate is subjected ...

Unmanned aerial vehicle safe landing gear for overwater field investigation

The invention provides an unmanned aerial vehicle safety landing gear for overwater field investigation, which comprises a shell, an unmanned aerial vehicle body, an unmanned aerial vehicle body and a control system, the clamping assembly comprises a clamping structure and a connecting structure; the clamping structure is arranged outside the shell and used for clamping or releasing the unmanned aerial vehicle; the connecting structure is connected with the clamping structure, one part of the connecting structure is arranged in the containing cavity, and the connecting structure is used for synchronously driving the clamping structure to move when the connecting structure moves; the adjusting assembly comprises a traction structure and a reset structure which are arranged in the accommodating cavity; the traction structure is connected with the connecting structure; the traction structure is used for applying an acting force to the connecting structure under the action of an external force ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the technical field of engineering machinery, in particular to a gearbox power assembly, a control method thereof and engineering machinery, the gearbox power assembly comprises a first sub-gearbox and a second sub-gearbox, the first sub-gearbox is a planetary gearbox, and the second sub-gearbox is a fixed shaft gearbox. When gear shifting is carried out, only one of the first sub-gearbox and the second sub-gearbox is subjected to gear shifting, and the other one of the first sub-gearbox and the second sub-gearbox is kept unchanged at the current gear, so that when a motor in one sub-gearbox structure interrupts power in the gear shifting process, the first sub-gearbox structure and the second sub-gearbox structure are switched off. The peak torque of the motor in the other sub-gearbox structure can compensate the reduced torque of the motor in the sub-gearbox structure which is shifting, so that continuous power output is ensured in the whole shifting process all ...

Curtain wall photovoltaic grid capable of automatically adjusting illumination intensity and installation method

The invention discloses a curtain wall photovoltaic grid capable of automatically adjusting illumination intensity and a mounting method.The curtain wall photovoltaic grid comprises a photovoltaic grid body, a fixed clamping plate, a rotating clamping plate and a driving motor, the bottom of the fixed clamping plate is connected with a concrete structure, and the photovoltaic grid body is mounted on the outer side of the rotating clamping plate; the fixed clamping plate and the rotating clamping plate are connected through a clamping plate rotating shaft, the middle of the clamping plate rotating shaft is sleeved with a grating gear, a motor rotating shaft is further installed at the lower end of the installation position of the fixed clamping plate and the clamping plate rotating shaft, a motor gear is installed in the middle of the motor rotating shaft, and a driving motor is installed below the motor gear. According to the curtain wall photovoltaic grid capable of automatically adjusting ...

Substation secondary equipment constant value data processing system and method

The invention discloses a constant value data processing system and method for secondary equipment of a transformer substation, the secondary equipment of the transformer substation uses a FLASH chip to store a constant value file, and the constant value file is frequently modified and is very critical. Two independent constant value memory areas are opened up in an RAM (random access memory) of equipment, the equipment is powered on to analyze constant value files in FLASH and store the constant value files in a first constant value memory area according to a specific array structure, meanwhile, a constant value array in a ferroelectric chip is read and stored in a second constant value memory area, the two memory areas are compared, and if the two memory areas are consistent, the constant value array in the first area is used. And if the comparison is inconsistent or the fixed value file is failed to read, using a second-area fixed value array, copying the second-area fixed value array ...

Gearbox power assembly, control method thereof and engineering machinery

The invention relates to the technical field of engineering machinery, in particular to a gearbox power assembly, a control method thereof and engineering machine.The gearbox power assembly comprises a motor, a main gearbox and an auxiliary gearbox, and the main gearbox comprises a first planet row, a second planet row and a first gear switching mechanism; the auxiliary gearbox comprises a transmission gear and a second gear switching mechanism. The form of the main gearbox and the auxiliary gearbox is adopted, switching of 3 * 2 gears can be achieved, namely, switching of six gears can be achieved, during gear switching, the auxiliary gearbox can be controlled to be fixed to one gear firstly according to the working condition, then the main gearbox is controlled to be switched to the corresponding gear, and different working condition requirements can be better met; in addition, the main gearbox and the auxiliary gearbox are both planetary gearboxes, the combination form is novel, manufacturing ...

Method for synthesizing TAIW through continuous hydrodebenzylation based on microchannel reactor

The invention discloses a method for synthesizing TAIW through continuous hydrogenation debenzylation based on a micro-channel reactor, which comprises the following steps: dissolving TADBIW in an organic solvent to prepare a solution with a certain concentration, and fully mixing the solution with hydrogen in a micro-mixer to obtain a gas-liquid mixed fluid; the gas-liquid mixed fluid is subjected to a continuous hydrogenation debenzylation reaction through a microchannel reactor filled with a solid catalyst, and the reacted gas-liquid mixture is subjected to gas-liquid separation and purification to obtain the target product TAIW. The method utilizes the microreactor for mixing, is high in efficiency and good in mass and heat transfer performance, prolongs the service life of the catalyst and is good in process essential safety; meanwhile, the serious defects of the hydrodebenzylation reaction in a kettle batch intermittent synthesis process are effectively overcome, the production efficiency ...

Needle implantation reconstruction system between cervical cancer tissues

The invention relates to a cervical cancer intertissue implantation needle reconstruction system comprising a data preprocessing module used for cutting a target image containing an implantation needle in a CT image and preprocessing the target image; the mask processing module is used for manufacturing a mask for the preprocessed target image; and the model training module is used for training a multi-kernel convolutional neural network model by using the target image after the mask is manufactured as a training set, so that the multi-kernel convolutional neural network model can predict the implantation needle in the segmented CT image. According to the method, the multi-kernel convolutional neural network model is adopted to automatically segment the implantation needle between tissues in the CT image of the cervical cancer patient, and the implantation needle channel is automatically reconstructed according to the segmentation result.

Intelligent concrete vibrating operation robot for rail transit

The rail transit concrete intelligent vibration operation robot comprises a main body frame, a first lifting module, an adjustable bottom plate assembly, a plurality of walking wheels, a monitoring sensor, a plurality of vibration lifting modules, a vibration rod, a vibration motor, a bulldozing lifting frame, a bulldozing frame and a push plate, and the push plate is located in front of the vibration rod; and a control module is further arranged in the main body frame, and the control module is electrically connected with the first lifting module, the adjustable bottom plate assembly, the vibrating lifting module, the vibrating motor and the monitoring sensor. The rail transit concrete intelligent vibration operation robot can walk automatically, can complete operation tasks such as concrete bulldozing and vibration for eliminating internal bubbles in a specified working range, and can monitor and avoid people or obstacles which hinder the robot from walking in the walking direction, so ...

Anti-weathering treatment process method for literature insurance commemorative tablet

The invention relates to the related technical field of cultural relic renovation, and discloses an anti-weathering treatment process method for cultural relics, which comprises the following steps: step 1, determining a spraying cleaning method according to the volume, damage condition and stone quality of cultural relics, and when the cultural relics are small stone cultural relics, soaking the stone cultural relics in deionized water by adopting a water soaking method, when the cultural relics are damaged porous stone surfaces, cultural relic carving surfaces and historic building surfaces, a water vapor cleaning method is adopted, and when the surface areas of the cultural relics are large and the stone hardness is low, an atomized water leaching method is adopted; according to the anti-weathering treatment process method for the literature and insurance commemorative tablet, analysis and judgment are conducted according to the actual damage condition, different cleaning modes are formulated ...

Line-driven quadruped soft robot

The invention provides a line-driven quadruped soft robot which comprises a robot body, a driving module, a walking module and a control module, the robot body is a cross-shaped support, the driving module comprises a driving motor and a driving line, and the driving motor is arranged on the cross-shaped support; the walking module is a flexible soft leg, the flexible soft leg is arranged on the cross-shaped support, and the flexible soft leg is connected with the driving motor through the driving wire; the control module is arranged on the cross-shaped support, the control module is electrically connected with the driving motors, according to the line-driven four-legged soft robot, the driving motors are used for controlling the driving lines, the driving lines drive the flexible soft legs to swing, and therefore continuous, rapid and large-amplitude turning is achieved through a simple structure; and the working efficiency of the soft robot is effectively improved.