包装瓶（香脆油辣子）

Municipal road surface construction equipment with synchronous detection function

The invention discloses municipal road surface construction equipment with a synchronous detection function, and belongs to the technical field of road construction. The device comprises a construction vehicle, a controller and a protection box are arranged on the construction vehicle, a feeding hopper and a stone falling plate are arranged in the protection box, a control mechanism is arranged below the feeding hopper, the stone falling plate is located below the feeding hopper, one end of the stone falling plate extends out of the protection box, and the end, extending out of the protection box, of the stone falling plate is symmetrically connected with a pair of drag rods; a ground roller is connected between the pair of tow bars, the surface of the ground roller is rough, the controller is connected with a positioning navigation system, path information of a road is input into the controller in advance, the controller controls the advancing direction of the construction vehicle, and ...

包装瓶（手工油辣子）

Nuclear power plant external supply industrial steam monitoring system and method thereof

The invention provides a nuclear power plant external supply industrial steam monitoring system and method, and relates to the technical field of nuclear power plant safety monitoring. The subsystem comprises a first monitoring module, a second monitoring module and a control module; the first monitoring module is used for collecting operation data of the working unit; the second monitoring module is used for collecting instrument data of a factory boundary; the control module is used for processing the operation data and the instrument data to determine whether abnormity occurs or not; and the control module sends a closing signal to the first valve in response to the operation data abnormity, and sends a closing signal to all the second valves in response to the instrument data abnormity. By monitoring the operation data of the working unit and the instrument data of the plant boundary, the rapid reaction to the nuclear power plant can be realized, different reactions can be performed ...

Regenerative braking control mechanism based on brake-by-wire system, vehicle and method

The invention relates to the technical field of regenerative braking, in particular to a regenerative braking control mechanism based on a brake-by-wire system, a vehicle and a method, and the control mechanism comprises a motor main cylinder isolation valve, a first adjusting assembly, a second adjusting assembly and a controller, the first regulator is used for regulating the actual pressure of the rear axle brake wheel cylinder to generate rear axle hydraulic braking force; the second adjusting assembly is used for adjusting the actual pressure of the front axle brake wheel cylinder to generate rear axle hydraulic braking force. The controller is used for distributing target hydraulic braking force needed when the vehicle is subjected to regenerative braking control into front-axle hydraulic braking force and rear-axle hydraulic braking force, and controlling the first adjusting assembly to adjust the actual pressure of the rear-axle brake wheel cylinder and/or controlling the second ...

包装瓶（鲜脆青椒酱）

包装瓶（牛肉香菇酱）

Copper wire winding device and using method thereof

The invention relates to a copper wire winding device and a using method thereof.The copper wire winding device comprises a rack, the rack is provided with an unwinding assembly, a plurality of wire separation assemblies and a rotating assembly, each wire separation assembly comprises a disc block, a spacing disc, a limiting disc, a plurality of sliding blocks, a supporting spring and a rotating block, the sliding blocks are slidably connected with the disc block, and the spacing disc is provided with a cavity and fixedly connected with the disc block; a cylindrical block is fixed to the sliding block, the cylindrical block penetrates through the disc block and is in sliding connection with the disc block, the limiting disc is rotationally connected with the disc block and is in sliding connection with the cylindrical block, the rotating block is located in the cavity, the limiting disc is fixedly connected with a torsion block provided with a torsion groove, and an ejector block is fixed ...

Antifog glasses of riding

... 本实用新型提供一种骑行防雾眼镜，属于眼镜领域，包括眼镜，眼镜的镜框内侧设有加热电阻丝，镜片内设有加热电阻丝，镜片内的加热电阻丝B呈“井”字型分布，镜腿上设有外挂电池，加热电阻丝与加热电阻丝B通过开关连接到外挂电池，可以对镜片进行除雾，保证骑行安全。 ...

Mixed culture method of porphyra yezoensis and ulva lactuca

The invention provides a mixed culture method of porphyra yezoensis and ulva lactuca. The method comprises the following steps: 1) in late September of porphyra yezoensis planting, collecting porphyra yezoensis conchospore seedlings to a culture net, and hanging the net in the sea; 2, porphyra yezoensis culture management is conducted, and net drying and net washing are conducted according to the epiphytic condition of miscellaneous algae; 3) harvesting and culturing the porphyra yezoensis for 50-60 days, and harvesting the porphyra yezoensis; 4) collecting ulva lactuca seedlings and planting and collecting ulva lactuca seed vegetables, cleaning, promoting ripening, diffusing, filtering, splashing ulva lactuca spore water, putting the ulva lactuca seed vegetables into a net bag, and hanging and culturing on a culture net; 5) culturing and managing the ulva lactuca, continuously harvesting the porphyra yezoensis, and harvesting all the porphyra yezoensis on the net; and 6) harvesting and ...

METHOD AND DEVICE FOR SCHEDULING MULTIPROCESSOR OF SYSTEM ON CHIP (SOC)

Disclosed are a method and device for scheduling a multiprocessor of a system on chip (SOC). The method comprises: after receiving a task which is required to be executed, a main central processing unit (CPU) of a system on chip (SOC) obtaining a dynamic execution parameter of the task (S502); according to one or more currently available subsidiary CPUs in the SOC, the main CPU determining a task allocation solution which meets the dynamic execution parameter (S504); and in accordance with the task allocation solution, the main CPU scheduling one or more subsidiary CPUs to execute the task (S506). The solution achieves the scheduling of a multiprocessor of an SOC.

High-entropy perovskite photochromic ceramic material and preparation method thereof

The invention relates to the technical field of high-entropy perovskite ceramic materials, in particular to a high-entropy perovskite photochromic ceramic material and a preparation method thereof. The chemical general formula of the high-entropy perovskite photochromic ceramic material is ABO3, an A-site element is a Ba element, and a B-site element is composed of a Zr element, a Mg element, a Nb element, a Ta element, a Sn element, a Ti element and a Zn element according to the molar ratio of 1: 1: 1: 1: 1. According to the invention, targeted design is carried out on the problems existing in the development of the current high-entropy material, ABO3 type perovskite oxide with a relatively stable structure is selected, and a plurality of transition metal elements are utilized to carry out high entropy on the B site, so that the high-entropy perovskite ceramic material with a stable single-phase structure is successfully prepared, an obvious photochromic phenomenon can be generated, and ...

CACHE ACCESS CONTROL METHOD AND DEVICE

A cache access control method and device are provided. The method comprises: a processor obtains critical instructions and/or data of an execution cycle; and during the execution cycle, the processor stores the instructions and/or data in the cache and locks the instructions and/or data. The solution resolves the problem in correlation technologies that cache access dynamic control can not be flexibly performed and achieves flexible control of the dynamic cache access.

SELF-FOCUSING RADIATION SOURCE APPARATUS AND EMISSION APPARATUS THEREOF

A self-focusing radiation source apparatus and emission apparatus thereof, the self-focusing radiation source apparatus comprising: a source jacket; the source jacket comprises a source body. An M number of radiation sources are arranged in the source body, and rays emitted by the M number of radiation sources in the source jacket are focused on a common focus, wherein M is a natural number greater than 1. The self-focusing radiation source apparatus and the emission source according to the present invention can greatly reduce the volume and weight of the source body, thus a small penumbra and small focus radius are obtained, providing flexible incident angles and having wide applications.

Frame type concrete 3D printer

The invention discloses a frame type concrete 3D printer which comprises a main frame used as a main body supporting structure of the 3D printer. The mixing mechanism is used for mixing the concrete raw materials to form concrete; the secondary frame is used as a supporting structure of the mixing mechanism; the 3D printer is composed of a three-dimensional movement module and a concrete printing spray head, and the three-dimensional movement module is installed on the main frame and used for moving the concrete printing spray head to a preset printing position; and the concrete printing spray head is used for spraying concrete to form a building component in a specific shape. Compared with a traditional mode of adding materials to the concrete 3D printer when the concrete 3D printer is stopped, the material adding work can be conducted under the state that the concrete 3D printer is not stopped, the step of manual material adding is omitted, the stopping time is saved for printing work ...

Unbalanced electricity stealing data classification method and device based on SMOTE-GBDT, computer equipment and storage medium

The invention discloses an SMOTE-GBDT-based unbalanced electricity larceny data classification method and device, computer equipment and a storage medium. The method comprises the steps of 1, collecting user load data; 2, carrying out missing value filling and standardization processing on the data; step 3, taking different K oversampling based on an SMOTE algorithm; 4, training a GBDT model by adopting GBDT of default parameters for the oversampled data set, and 5, evaluating the classification performance of different K value generation data sets, and finding out the K neighbor value of optimal classification; step 6, training a GBDT model based on the data set with the best oversampling effect; and step 7, based on network search and cross validation combination model parameters, testing to find out optimal parameters of the GBDT model, and further obtaining an optimal electricity stealing analysis model. The electricity stealing behavior analysis of the user can be realized through ...

Compression elastic piece test device and method

The invention discloses a compression elastic part testing device and method, the compression elastic part testing device comprises a connecting mechanism, a loading mechanism and a measuring mechanism, the connecting mechanism comprises a supporting plate A, a supporting plate B and a lining plate, the loading mechanism is arranged on the supporting plate B, the supporting plate A and the lining plate are arranged on the loading mechanism, and the measuring mechanism is arranged on the supporting plate B; and the measuring mechanism is arranged on the supporting plate A. The test device is suitable for carrying out repeated loading tests on the large Z-shaped pressure spring, the pressure spring is supported through the connecting mechanism, force value loading is carried out through the loading mechanism, corresponding data is collected and tested through the measuring mechanism, data processing software is adopted to process the data, a curve graph of force-deformation and the like is ...

Adjustable open-close type gas turbine combustion chamber head distribution structure

The invention provides an adjustable opening and closing type gas turbine combustion chamber head distribution structure which comprises a sleeve type fuel distribution cavity, a two-stage nozzle fixing end cover and an adjustable opening and closing type nozzle control assembly. The fuel distribution cavity is divided into a plurality of relatively independent annular areas through a plurality of sleeves with different lengths, the adjustable opening and closing type nozzle control assembly comprises a fixed end cover, an openable blade group and a rotary end cover, the rotary end cover is driven to rotate through a control rod, and the angle or the relative position of the openable blade group is adjusted through rotation of the rotary end cover; blades in the openable blade set are opened and closed to cover an air channel without a working nozzle, and the central pipe is arranged in the center of the distribution structure and connected with a combustion chamber igniter. According to ...

Molecular marker of kelp culture strain and application of molecular marker

The invention provides an SNP (Single Nucleotide Polymorphism) marker combination of kelp. An SNP site in the SNP marker combination is located at the 50th site of any sequence with the sequence of SEQ ID NO: 1-247; the invention further provides application of the SNP marker combination on the other hand, and the application is application in identification of kelp strains. The SNP marker provided by the invention is derived from a kelp whole genome scale SNP data set, is different from a conventional molecular marker in a specific genome region, and is more accurate in sample source identification. The SNP marker provided by the invention can also be applied to the application fields of kelp genetic breeding and the like.

SHELL FOR SOURCE

The present invention is related to a shell for source. The shell comprises an outer shell containing an outer shell main body and a sealing lid for outer shell, and an inner shell located in the outer shell which contains an inner shell main body and a sealing lid for inner shell, and a radiation source adapter which is located inside the inner shell. And outer surface of the radiation source adapter matches the inner surface of the inner shell main body, and can be separated from the inner shell main body. The radiation source adapter comprises a through hole for holding radiation source. The through hole of the radiation source adapter is connected to the bottom of the inner shell main body on one end and is connected to the sealing lid for inner shell on the other end. The shell for source of the present invention can not only be suitable for sealing various radiation sources but also block the ray not in the radiation direction to some degree, thus outer shielding material can be saved ...

Directional steel fiber electromagnetic wave-absorbing concrete superstructure based on 3D printing technology

The invention relates to a directional steel fiber electromagnetic wave-absorbing concrete superstructure based on a 3D printing technology, the concrete superstructure is obtained by a plurality of circles of inner and outer concrete strips according to an up-down multi-layer mode through a 3D printing mode of a concentric-square-shaped printing path, a plurality of circles of concrete strips are formed after each layer is printed, and the width T of each circle of concrete strip is 8-10 mm; the floor height H is not more than 6mm; the value range of the layer number K is 3 < = K < = 5; the volume mixing amount V of the steel fibers in the electromagnetic wave-absorbing concrete is not less than 0.5% and not more than 1%. According to the concrete superstructure, the directional effect of a 3D concrete printing technology on steel fibers is applied, and based on the flexibility of an extrusion type 3D printing technology, the directional steel fiber electromagnetic wave-absorbing concrete ...

Assembly type self-resetting RC frame beam-column joint based on SMA material

The invention belongs to the technical field of structural engineering, and particularly relates to a fabricated self-resetting RC frame beam-column joint based on an SMA material, which comprises an RC prefabricated column, an RC prefabricated beam, and a resetting energy consumption damper and a friction energy consumption damper arranged between the RC prefabricated column and the RC prefabricated beam; the reset energy dissipation damper comprises an SMA inner core, an upper constraint cover plate, a lower constraint cover plate, a column end connection reinforcing plate and a beam end connection reinforcing plate which are assembled together, and a set energy dissipation gap is reserved between the SMA inner core and the upper constraint cover plate. The friction energy dissipation damper comprises an in-column pre-buried connecting plate and a beam end pre-buried connecting plate, main connecting holes and secondary connecting holes are formed in the in-column pre-buried connecting ...

RADIOTHERAPY DEVICE, RADIATION DEVICE AND COLLIMATION DEVICE

A radiotherapy device, a radiation device and a collimation device are provided by the invention. The collimation device includes an axial hollow collimation body, which has at least a group of collimation pores; center lines of each group of collimation pores are focused on a common focus, and distribution rules of each group of collimation pores are matched with the distribution rule of a radiation source. The device also includes a switching body, which is rotatablely set in the axial hollow collimation body, and the switching body is used to permit or block that radiation rays to pass through the collimation pores. The invention can improve control precision of the collimation device, and reduce axial size of the collimation device, thereby reducing weight of the collimation device, saving material, making processing and manufacture simple. The collimation body and the switching body are rotated simultaneously to implement that the switching body permits or blocks the radiation rays ...

Plane three-degree-of-freedom displacement and force sensor based on hyperelastic memory alloy wire

The invention discloses a planar three-degree-of-freedom displacement and force sensor based on a hyperelastic memory alloy wire. The planar three-degree-of-freedom displacement and force sensor is mainly composed of an external frame structure, an internal planar three-degree-of-freedom movable structure, the hyperelastic memory alloy wire, a resistance measuring device and a data analysis device. The internal and external structures of the sensor are connected through a super-elastic memory alloy wire, the internal structure is connected with a measured component through a screw, and the external structure is fixed through a screw. Movement of the measured component drives the internal component to do the same movement, movement of the internal component causes change of the length of the alloy wire, and change of the length of the alloy wire causes change of the resistance. The resistance measuring device feeds back the real-time resistance information of the alloy wire to the data analysis ...

Multifunctional mode energy storage control system and control method

According to the application of an energy storage device in different fields, the multifunctional mode energy storage control system can be divided into an uninterruptible power operation mode, an emergency power supply mode, a power guarantee operation mode, a grid-connected capacity increasing mode, a peak load shifting mode and a charging mode; the system can meet the requirements of actual use working conditions through different operation modes and mode switching according to different application occasions; through the design of the control system and the control method, the energy storage device can be quickly applied to the field of uninterruptible power maintenance, the field of emergency power supply, the field of emergency power guarantee, the field of grid-connected capacity increasing, the field of peak load shifting and the like, and the system can be quickly charged and slowly charged according to external power supply conditions. The whole charging and discharging process ...

Method for reducing mycotoxin content in corn screen underflow and preparing feed

The invention provides a method for reducing the content of mycotoxins in functional corn screen underflow, which can significantly reduce the content of mycotoxins in the corn screen underflow by carrying out synergistic fermentation on the corn screen underflow by using a composite strain, an enzyme preparation and an inorganic salt. Meanwhile, the invention further relates to application of the corn undersize product fermentation product obtained through the method in preparation of feed and a method for preparing the corn undersize product fermentation feed. By reducing the content of mycotoxin in the corn screen underflow, the economic value of the corn screen underflow is improved, the economic benefit of grain trade is improved, and the storage period and value of the corn screen underflow are improved.

Heterogeneous relational database rapid migration method and device

The invention provides a method and a device for quickly migrating a heterogeneous relational database, which can realize migration from a DB2 database to an Oracle database, including DDL migration, data migration, realization of standardization and maximum automation of migration, realization of minute-level switching, guarantee of service continuity and improvement of application migration efficiency and quality. Incremental replication and reverse replication are supported, data security is guaranteed, data can be fallback, data comparison is supported, and state monitoring in migration and replication processes is supported.

One-line multi-lamp control method and device based on DMA and PWM

The invention discloses a one-line multi-lamp control method and device based on DMA/PWM. The method comprises the following steps: designing a data transmission line based on DMA/PWM; configuring a DMA channel and a PWM channel based on a DMA/PWM data transmission line; realizing data transmission by adopting a DMA technology on the basis of configuration of a DMA channel, and acquiring control data of each LED lamp; caching the control data of each LED lamp in a memory of a specified address; setting a PWM period and a duty ratio based on the control data of each LED lamp and a light brightness control requirement; and controlling the brightness of each LED lamp based on the period and the duty ratio of the set PWM. According to the embodiment of the invention, the method can achieve the simultaneous control of the brightness, color and other parameters of a plurality of LED lamps, improves the efficiency and precision of light control, and achieves the centralized control of a plurality ...

ACCESS ADDRESS PROCESSING SYSTEM AND METHOD AND COMPUTER STORAGE MEDIUM

Disclosed is an access address processing system. The system comprises: a central processing module (11) and an address translation module (12), wherein the central processing module (11) is configured to send an access address signal to the address translation module (12); and the address translation module (12) is configured to receive the access address signal sent by the central processing module (11) and match an access address with preset address translation table information, and send the matched translation address to a bus if the matching is successful. Also disclosed at the same time are an access address processing method and a computer storage medium.

Redundant brake system

The redundant braking system comprises a liquid storage tank, a mechanical main cylinder, a piston cylinder, a pedal decoupling valve, an electric cylinder decoupling valve and a wheel cylinder which are connected according to the connection mode of an original braking system. The redundant braking system further comprises an air pressure system, and the air pressure system is connected with the piston cylinder and/or the liquid storage tank. The working modes of the redundant braking system comprise an active braking mode and a redundant braking mode, in the active braking mode, a piston cylinder builds pressure, and braking pressure is generated on wheels; in the redundant braking mode, when the air pressure system is connected with the piston cylinders, the air pressure system inputs air into the piston cylinders, the piston cylinders are pressurized, and liquid flows out of the piston cylinders and enters the wheel cylinders to generate braking pressure on wheels; when the air pressure ...

RADIATION TREATMENT SYSTEM

A radiation treatment system comprises a treatment head (10), a CT imaging device (11), a common support (12) and a treatment bed (13). The treatment head (10) and the CT imaging device (11) are arranged on both sides of the common support (12) respectively and each has a driving mechanism. With the driving of the driving mechanism, the treatment head (10) and the CT imaging device (11) can rotate at different rotate speed, so as to ensure treatment effect and imaging quality synchronously. Moreover, the suitable space sizes can be set respectively by separating the CT imaging space and the radiation treatment space, so that the incompatibility problem between the imaging space and the treatment space can be solved.

Manufacturing process of light-weight resin lens

The invention discloses a manufacturing process of a light-weight resin lens, which comprises the following steps: providing a lens mold which is divided into an upper convex mold and a lower concave mold, the upper convex mold and the lower concave mold form a mold cavity, the upper surface of the mold cavity comprises a central convex spherical surface and an outer ring convex cambered surface, and the lower surface of the mold cavity is arranged to be an inner concave spherical surface; the concave spherical surface is provided with a plurality of concave low-light units; injecting a lens raw material into the mold cavity, and feeding into a drying oven for curing and molding; taking out the cured lens, and infiltrating with an organic silicon solution; after standing and drying, feeding into a vacuum coating machine for coating a functional film layer; and taking out for inspection and packaging. The lens mold is arranged, the rear concave optical surface of the resin lens is formed ...

Encrypted ray detection system based on new mean Hash recognition algorithm

The invention discloses an encrypted ray detection system based on a new mean Hash recognition algorithm, which comprises a neutron activation encryption analysis assembly and an encrypted mean Hash recognition algorithm module, the neutron activation encryption analysis assembly comprises a neutron source, a non-uniform mask and a detector, the non-uniform mask is arranged on the right side of the neutron source, and the detector is arranged on the right side of the neutron source. Compared with a traditional ray detection method, the technology provided by the invention simultaneously realizes double encryption of sensitive information in the physical field and the electronic field, realizes high-precision identification on the basis of protecting the sensitive information of a detected item, and improves the detection accuracy. The method has a great application prospect in verification of nuclear tailors, security check of border nuclear materials and scenes in which various sensitive ...

Anti-sliding interference wheeled mobile robot virtual reference trajectory tracking control method

The invention discloses an anti-sliding interference wheeled mobile robot virtual reference trajectory tracking control method. The method comprises the following steps: firstly, establishing a global rectangular coordinate system in a motion plane of the mobile robot, then respectively describing a speedometer kinematic model and an actual kinematic model of the wheeled mobile robot, and giving a kinematic model of an expected track; then estimating the sliding interference of the wheeled mobile robot by using a tracking differentiator based on the difference between the speedometer pose and the actual pose of the wheeled mobile robot; fusing the sliding interference estimated value with the reference trajectory to obtain a virtual reference trajectory; and finally, designing a controller and adjusting control parameters to enable the odometer pose of the wheeled mobile robot to track the virtual reference trajectory, so that the actual pose of the wheeled mobile robot tracks the reference ...

Indirect tire pressure monitoring method and device, vehicle and storage medium

The invention relates to the technical field of tires, in particular to an indirect tire pressure monitoring method and device, a vehicle and a storage medium, and the method comprises the following steps: obtaining training data carrying a normal tire pressure label and an underpressure label; performing signal processing on a wheel speed signal in the training data to obtain a processed wheel speed signal, and performing detrending processing on the processed wheel speed signal to obtain a wheel speed microscopic signal; and extracting wheel speed microscopic vibration characteristics in the wheel speed microscopic signal, training a pre-constructed neural network by using the wheel speed microscopic vibration characteristics, obtaining a tire pressure probability identification model after training is finished, and identifying the pressure state of each tire in the vehicle by using the tire pressure probability identification model. Therefore, the problems that in the prior art, a tire ...

NONLINEAR ANTI-INTERFERENCE CONTROL METHOD AND APPARATUS FOR ELECTRONIC THROTTLE SYSTEM

Disclosed are a nonlinear anti-interference control method and apparatus for an electronic throttle system (100). On the basis of a system control model and a continuous limited time anti-interference control method, a control apparatus is designed in response to a tracking and control problem of the degree of valve opening of an electronic throttle (104), and a design method therefor is provided. An observation method and apparatus are designed in response to multi-source interference, uncertainty and nonlinearity caused by factors, such as an inlet airflow, friction, spring torque and a tooth space, and the accurate estimation of lumped interference and a system state variable is realized within a limited time. A continuous terminal sliding-mode control method is combined with an output feedback control method, thereby effectively suppressing the adverse effects of multi-source interference, uncertainty and nonlinearity in the electronic throttle system (100), such that in the case of ...

A gas collecting channel for electrolysis production zinc powder

... 本实用新型提供了一种用于电解生产锌粉的集气罩，其由密封箱、电动葫芦、引风机、排气管、进气收缩软管、支撑套节管、牵引索和收集罩组成；所述密封箱底部通过进气收缩软管与收集罩密封连接，所述收集罩内置收集罩支撑架；所述电动葫芦固定于密封箱内并下置牵引索；所述引风机与密封箱侧面密封连接并通过排气管将气体排出；所述支撑套节管置于进气收缩软管内，其上部固定连接电动葫芦，下部固定连接收集罩支撑架；所述牵引索置于支撑套节管内固定连接收集罩支撑架。该集气罩可调整收集罩的所处位置，节约空间，操作便易，节约成本，提高设备利用率，同时降低电解工序的火灾危险性，利于安全生产。 ...

A washing drying device for electrolytic zinc

... 一种用于电解锌的洗涤烘干装置，包括本体，在本体的一侧上部设置有输送管道，输送管道内设置有传送带，传送带向本体内延伸至离心桶上部，离心桶与本体下部相连接；在本体内部的左右两侧设置有加热器。本实用新型的有益效果是，本实用新型的用于电解锌的洗涤烘干装置，充有氮气，减少了与氧气的接触，提高了产品的质量，减少产品的氧化程度及防止锌粉和与空气接触而产生的安全隐患。 ...

Refining method for controlling color reversion of vegetable oil

The refining method for controlling the color reversion of the corn oil is wide in application range and high in operability.

High-weather-resistance blue-light-proof and infrared-light-proof resin lens and preparation method thereof

The invention discloses a resin lens with high weather resistance, blue light resistance and infrared light resistance and a preparation method thereof. The resin lens comprises a substrate; the hardening layers are arranged on the front surface and the rear surface of the substrate, the chromium metal film, the zirconium metal film, the tin metal film, the magnesium metal film, the titanium metal film, the aluminum metal film and the gallium metal film are arranged on the surfaces of the hardening layers, and the outermost layer of the substrate is provided with a mixture film layer of two or more of magnesium oxide, aluminum oxide and zirconium oxide. The lens prepared by the invention has the functions of preventing blue light and resisting infrared light, the attenuation effect of the lens on infrared light reaches 99.5% +/-1%, more than 33% of harmful blue light can be effectively filtered, the light transmittance is kept more than 79%, and the protection effect is excellent.

Low-cost cast heat-resistant aluminum alloy capable of meeting 350-degree service and preparation method of low-cost cast heat-resistant aluminum alloy

The invention belongs to the field of metal materials, and particularly relates to a heat-resistant aluminum alloy capable of meeting 350 DEG C service and a preparation method of the heat-resistant aluminum alloy. The aluminum alloy comprises the following components in percentage by mass: 4-16% of rare earth, 0-3% of Ca, 0-5% of Mg, 0-2% of Cu, 0-5% of Zn, 0-2% of Fe, 0.2-0.5% of Zr, 0-0.8% of Si, 0.5-1.2% of Mn, less than or equal to 0.2% of impurity elements and the balance of Al. In the material composition of the aluminum alloy, the main alloying element Ce or La rare earth element appears in the form of hypoeutectic, near-eutectic or hypereutectic, and the aluminum alloy has good casting formability and good high-temperature heat resistance. And secondly, the strength of the matrix alloy can be effectively enhanced by adding trace alloying elements such as Mg, Cu and Zn, the high-temperature performance of the alloy is further stabilized by adding trace Zr and the aluminum element ...

Lightweight three-scale YOLOv4 face mask detection method

The invention provides a lightweight three-scale YOLOv4 face mask detection method, a standard YOLOv4-Tiny has two detection layers which are respectively used for detecting a large target and a medium target, a plurality of small targets are in a face mask data set used in the method, and the area occupied by the targets in an original image is small; in order to enhance the adaptability of a network to a data set used in the method and to enable the network to have higher detection precision on a small target, the YOLOv4-Tiny network is improved, a detection layer is added in the detection stage of the network, and the improved network has three detection layers which are respectively suitable for detection of large, medium and small targets; a newly designed SPP module is embedded behind a YOLOv4-Tiny skeleton network and in front of an FPN structure so as to enhance semantic information of a deep layer of the network and increase an actual effective receptive field, and the improved ...

Willow flowering phase intelligent identification method based on deep learning algorithm

The invention relates to the technical field of plant phenology observation, in particular to a willow flowering phase intelligent identification method based on a deep learning algorithm. Based on a deep learning algorithm, willow flowers are identified from a massive photo set through a small target detection scheme, a new rapid and accurate phenological observation method for the willow flowering phase is provided, and the method is a powerful supplement for traditional field fixed-point and fixed-plant manual observation and satellite remote sensing observation. Based on a complex machine learning algorithm, the willow flowering period is obtained on the daily scale and even the hour scale, identification is fast and accurate at the first time, the identification accuracy of the willow flowering period on the time scale is improved, and the intelligent identification method can be popularized to accurate identification of mosla inflorescence and even infinite floc. The accurate identification ...

Ship type classification prediction method and system based on K-means and XG-Boost

The invention provides a ship type classification prediction method and system based on K-means and XG-Boost, and the method comprises the steps: obtaining ship data, carrying out the preprocessing of the ship data, carrying out the clustering of each kind of data in the preprocessed ship data through employing a K-means clustering algorithm, obtaining a plurality of clusters, calculating the sum of squares of errors of all data in each cluster, and carrying out the calculation of the sum of squares of errors of all data in each cluster, the classification number of each kind of data is calculated according to the sum of squares of errors, a certain classification number is selected through an elbow method, ship type marking is conducted on all the clustered ships according to the classification number, and then the ships with the marked ship types serve as training set samples; and training the training set sample by adopting an XG-Boost classification algorithm to obtain a plurality of ...

Nuclear waste treatment control system

The invention discloses a nuclear waste treatment control system, and relates to the field of nuclear waste treatment. The system comprises a sorting system control module, a nuclide detection system control module, a packaging system control module, a transfer system control module and a central control module, the central control module is electrically connected to the sorting system control module, the nuclide detection system control module, the packaging system control module and the transfer system control module. Wherein the central control module transmits and receives instructions to and from other modules. The central control module is used for uniformly controlling all devices in the nuclear waste treatment process, overall unified management and control of various nuclear wastes can be achieved, a unified communication interface is used, integrated control can be achieved, consumed time caused by switching of a control system in the front and back steps in the nuclear waste ...

Device capable of measuring depth of river channel

The utility model discloses a device capable of measuring the depth of a riverway, which comprises a base plate and a telescopic assembly fixed on the side wall of the base plate, a supporting block is fixed on an output shaft of the telescopic assembly, a protective shell is fixed on the upper end face of the supporting block, a rotating rod is rotatably arranged in the protective shell, and a flexible rule is wound on the rotating rod. A steel ball is fixed to the lower end face of the flexible rule, a first hand crank is fixed to the end face of the protection shell, the rotating rod penetrates through the side wall of the protection shell to be fixedly connected with the hand crank, a flexible rule channel pipe is fixed to the side wall of the protection shell, sliding blocks are symmetrically and slidably arranged on the side wall of the flexible rule channel pipe, and clamping rods are symmetrically arranged on the side walls of the lower ends of the sliding blocks. The end, close ...

Marine ranch fishery resource quantity statistical method based on image recognition technology

The invention relates to the technical field of marine ranch fishery resource quantity statistics, in particular to a marine ranch fishery resource quantity statistics method based on an image recognition technology. According to the method, water depth topographic measurement is carried out through multiple beams, an underwater three-dimensional topographic model is constructed, and the fish reef putting amount is calculated according to the underwater three-dimensional topographic model and a multi-beam topographic measurement water depth map; then selecting a demonstration area edge and an artificial fish reef, counting the marine ranch fishery resource quantity of a unit reef body by adopting an image recognition technology, and completing the marine ranch fishery resource quantity statistics based on the image recognition technology; according to the invention, a method for measuring and evaluating changes of marine ranch fishery resources by using an image recognition technology is ...

Control system and method for low-pressure cylinder adjusting valve of nuclear power unit

The invention provides a control system and method for a low-pressure cylinder adjusting valve of a nuclear power unit, and relates to the technical field of nuclear power. Comprising a high discharge pressure control loop, an undisturbed switching loop, a trigger, a first switching module, a second switching module and a rate limiting module. Therefore, when the pure condensing working condition and the heat supply working condition are mutually switched, the low-pressure cylinder adjusting valve is controlled based on the load control instruction, and the control mode of the low-pressure cylinder adjusting valve is mutually switched based on the high discharge pressure control instruction, smoothness in the switching process is guaranteed, and large step disturbance is avoided, namely, the low-pressure cylinder adjusting valve is controlled before and after switching. And the unit load and the high discharge pressure do not fluctuate greatly, so that the nuclear power unit is prevented ...

A novel device of washing futilely for electrolytic zinc technology

... 一种用于电解锌工艺的新型洗干装置，包括离心机，在离心机下部设置有排水阀，离心机上端通过密封连接器与水洗箱相连接，水洗箱内分别设置有水进口和蒸气进口；离心机下端通过密封连接器与真空干燥器相连接，真空干燥器内层通过管道与真空抽气机相连接，真空干燥器外层通过管道与蒸气加热器相连接。本实用新型的有益效果是，本实用新型的用于电解锌工艺的新型洗干装置，洗涤、离心是在密封的条件下进行的，减少空气接触，提高了产品质量；同时烘干时间短、效果好，且节约能源。 ...

RSA-based database performance monitoring software encryption method

The invention provides an RSA-based database performance monitoring software encryption method. The encryption method mainly comprises software copyright encryption and encryption of a performance acquisition SQL (Structured Query Language). The software copyright encryption is mainly carried out based on a hard disk serial number and an RSA algorithm; the use frequency of the performance acquisition SQL is high, so that a three-prime RSA encryption and decryption algorithm is adopted in the encryption and decryption of the performance acquisition SQL in order to avoid the influence of low encryption and decryption efficiency of the RSA algorithm on the operation efficiency of software. After the encryption method is adopted, the software copyright can be protected, pirated software can be prevented from being generated, the core technology content of an enterprise can be protected, and core technology leakage is avoided.

Processing method of sunflower seed oil and grease obtained by processing method

The invention relates to a processing method of sunflower seed oil and grease obtained thereof.According to the method, through the processes of deacidification, decoloration and deodorization and the optional degumming and dewaxing processes, the obtained sunflower seed oil is golden yellow and has a specific color range, so that color improvement is achieved, and the obtained sunflower seed oil is rich in color and luster. The problem that the poor color of the sunflower seed oil needs to be covered by yellow PET bottle packaging is solved, and the production cost of manufacturers can also be reduced; meanwhile, the improvement of the retention rate of grease nutrient substances is also synchronously realized.

Resin lens stress relief process

The invention discloses a stress relief process for a resin lens, which comprises the following steps: providing a glass lens mold, filling a resin monomer into the glass lens mold by using a filling gun, and sealing the edge by using an adhesive tape; the filled glass lens mold is fed into a thermal reaction furnace to be heated for 15-30 min for curing; the cured glass lens mold is taken out, mold splitting is conducted, a resin substrate blank is obtained, and trimming and ultrasonic cleaning are conducted; the cleaned resin substrate is placed in a molybdenum mold, the molybdenum mold is consistent with the glass lens mold, the molybdenum mold surrounds the two faces of the resin substrate, the resin substrate is fed into the thermal reaction furnace again, heating is conducted for 2-4 min, the temperature is kept at 100-160 DEG C, and stress relief is conducted; the treated resin substrate is taken out and put into an organic silicon solution to be hardened; taking out the hardened ...

Database operation and maintenance anomaly detection method based on dynamic scene

The invention provides a database operation and maintenance anomaly detection method based on a dynamic scene. The method comprises the following steps of 1, periodic detection; 2, dividing periodic scenes; and 3, anomaly detection. After the method is adopted, the periodicity of the time sequence data can be automatically distinguished, the abnormal condition of the index is judged according to the periodicity, and the automation level of operation and maintenance work can be improved.

High-power-density miniature generator car and power generation control method

The invention discloses a high-power-density miniature generator car and a power generation control method.The generator car comprises a light carriage and a generator set, the generator set is installed in the light carriage and comprises an engine, a generator, a voltage stabilization controller, a rectifying device, an inversion device and a generator set control cabinet, and the engine is a light high-rotating-speed engine; the generator is a light alternating-current generator, the rectifying device is electrically connected with the generator, and the inversion device is electrically connected with the rectifying device. Meanwhile, by designing a control system, the running speed of the engine is adjusted according to the load requirement, the power of the small generator set is improved, and the output voltage is controlled to be in a conventional power frequency voltage and frequency state through a voltage stabilization controller, so that a miniature power generation system can ...

Heat energy exchange heat dissipation type transformer

The invention belongs to the field of transformers, and particularly relates to a heat energy exchange heat dissipation type transformer which comprises a box body, a supporting plate is fixedly connected to the inner left wall of the box body, an oil storage tank is arranged at the upper end of the supporting plate, an upper water tank is arranged on the upper side in the box body, and the lower side of the water tank communicates with a plurality of first connecting water pipes; a transverse block is fixedly connected to the inner left wall of the box body, and a containing cavity is formed in the transverse block. The water discharging amount is controlled by controlling the size of the overlapped part of the first water passing groove and the second water passing groove, and water cooling is conducted on the oil storage tank; when the first water passing groove and the second water passing groove completely coincide, it is indicated that heat in the oil storage tank is too high, the ...

Liquid-solid reactor and application thereof in flavor oil production

The invention relates to the technical field of liquid-solid reaction, and discloses a liquid-solid reactor and application thereof in flavor grease production, the liquid-solid reactor comprises a container with a solid material outlet at the bottom and a stirring device mounted on the container, and the stirring device comprises a driving motor and a stirring shaft. The bottom end of the stirring shaft extends to the solid material outlet, a stirring paddle and a spiral stirrer are arranged on the stirring shaft, the spiral stirrer is located below the stirring paddle and close to the solid material outlet, and the spiral stirrer is arranged to be capable of lifting reaction materials upwards when the driving motor rotates forwards; when the driving motor rotates reversely, the solid material is pushed to the solid material outlet; according to the liquid-solid reactor provided by the invention, a stirring dead zone in the container can be reduced, adverse effects caused by uneven heating ...

Sound control method and device based on dynamic sound pressure control technology

The invention discloses a sound equipment control method and device based on a dynamic sound pressure control technology. The method comprises the following steps: detecting a sound pressure value of a signal in real time by adopting a root-mean-square detection algorithm based on a sound pressure detection module; the detected sound pressure value is sent to a digital circuit controlled by a digital signal processor; a target sound pressure value is set in the control circuit, and the detected sound pressure value is compared with a target value; if the detected sound pressure value is higher than the target value, the control circuit outputs a control signal to reduce the gain of the input signal; if the signal is lower than the target value, the control circuit outputs a control signal to improve the gain of the input signal; the dynamic range of the control signal is compressed or expanded by adopting a dynamic compression technology and a dynamic expansion technology; and outputting ...

3D printing bridge prefabricated box girder construction quality monitoring system based on deep learning

The invention discloses a 3D printing bridge prefabricated box girder construction quality monitoring system based on deep learning, and the system comprises a data (image) collection and processing module which carries out the image collection and processing of a printing region through an industrial camera; the data annotation and model training module is connected with the data (image) collecting and processing module and is used for constructing a convergence model for target detection and measurement; the information calibration and storage module is connected with the data annotation and model training module, inputs a test set into the trained target detection algorithm, adopts a calibration algorithm to correct the conversion ratio M in the conversion function module, updates the conversion function module with the calibrated conversion ratio M ', and obtains a calibrated convergence model; a defect detection and analysis module; and an early warning and prompt processing module ...

Electric power detection equipment and detection method thereof

The invention discloses electric power detection equipment and a detection method thereof, and belongs to the technical field of electric power detection equipment.The electric power detection equipment comprises a shell, an extrusion mechanism is arranged in the shell, a handle is fixedly connected to the upper surface of the shell, detectors are fixedly connected to the four corners of the lower surface of the shell through connecting columns, and electric wires are connected to the detectors; the other end of the wire is located in the detection mechanism. According to the device, by arranging the extrusion mechanism, when a motor works, a first transmission wheel can be driven to rotate, the first transmission wheel drives a second transmission wheel to rotate through a belt, and the second transmission wheel drives a threaded column to rotate through a rotating shaft, so that a threaded cap can drive an extrusion plate to move leftwards through a limiting block; the extrusion plate ...

LED chip and manufacturing method thereof

The embodiment of the invention discloses an LED chip and a manufacturing method thereof. The LED chip comprises a substrate; the epitaxial structure is located on the first side of the substrate and comprises a light-emitting layer and a window layer located on the side, away from the substrate, of the light-emitting layer; the current expansion layer is located on one side, far away from the light-emitting layer, of the window layer, the current expansion layer is provided with a plurality of through holes, and the plurality of through holes expose part of the area of the window layer; the front electrode is positioned on one side, far away from the window layer, of the current expansion layer, and the plurality of through holes are filled with the front electrode; the back electrode is positioned on a second side of the substrate, and the second side is opposite to the first side; wherein the front electrode is a metal electrode, the window layer is a semiconductor layer, and the contact ...

Manual lens buffing machine

... 本实用新型涉及的是种手动镜片磨光机。其具有磨光机本体，磨光机本体的上端设置有水箱，水箱的下端设置有出水口，出水口对应侧的磨光机本体上设置有工作台，工作台中部设置有开口槽，开口槽内嵌有砂轮，工作台的边缘设置有防护栏，工作台的侧设置有吹气口，吹气口的侧设置有第开关，工作台的下端设置有基座，基座的侧设置有镜架，镜架的侧设置有第二开关，基座的下端设置有排水管道，排水管道的另侧连接水箱。采用上述装置后，操作简单方便，可以利用吹气口快速有效的将镜片表面及边缘吸附的杂物吹去，通过镜架可以检验是否符合装配要求，保证产品质量的同时，提高镜片的生产效率。 ...

Redundant brake system

The redundant braking system comprises an oil can, a pedal decoupling valve, an electric cylinder decoupling valve, a wheel cylinder, a pressure reducing valve, a pressure increasing valve and a pressure building unit. The pressure buildup unit comprises a piston cylinder, a pump unit and a first one-way valve, and the oil pot, the pedal decoupling valve, the electric cylinder decoupling valve, the wheel cylinder, the pressure reducing valve, the pressure increasing valve, the first one-way valve and the piston cylinder are connected according to the connection mode of an original brake system. The pump unit is connected in series between the electric cylinder decoupling valve and the piston cylinder; the working modes of the redundant braking system comprise a first pressure building mode, a second pressure building mode and a first pressure reducing mode, and the first pressure building mode is used for building pressure for a piston cylinder and is used for generating braking pressure ...

Automatic extension and recovery device for vehicle-mounted lifting platform and control method of automatic extension and recovery device

The invention discloses a vehicle-mounted lifting platform automatic releasing and recycling device and a control method thereof.The device comprises a platform storage rack, a movable rack and a lifting platform, C-shaped outer sliding ways I are arranged on the two sides of the platform storage rack, C-shaped inner sliding ways I are arranged on the two sides of the movable rack, and rolling pulley blocks are arranged between the C-shaped outer sliding ways I and the C-shaped inner sliding ways I; comprising an upper protruding pulley I, a lower protruding pulley I, an inner pulley I and a lateral pulley I. The upper protruding pulley I makes contact with the inner side of the upper end of the C-shaped outer sliding way I through a small notch, and the lower protruding pulley I makes contact with the inner side of the C-shaped outer sliding way I through a small notch. The inner pulley I is in contact with the inner side of the upper end of the C-shaped outer slide way I. The side guide ...

Refining method for controlling peculiar smell of sunflower oilseeds and grease obtained by refining method

The invention relates to a refining method for controlling peculiar smell of sunflower seed oil and oil obtained by the refining method. The method comprises deacidification, decoloration and deodorization processes and optional degumming and dewaxing processes. According to the method disclosed by the invention, the zero reverse sunflower seed oil can be obtained by reducing the deodorization temperature in the deodorization process, meanwhile, the consumption of deodorization steam is increased, and peculiar smell removal efficiency of a deodorization section is increased by volatilizing peculiar smell substances carried by hot steam, so that the peculiar smell substances of the zero reverse sunflower seed oil can be removed, and the content of 2, 4-decadienal is lower than 0.03 mg/kg; meanwhile, the retention rate of the nutrient VE of the grease can be increased by 5%-10%.

Shielding device

According to the technical scheme, the shielding device is characterized in that the shielding device comprises two mounting blocks, folding curtains are arranged on the top faces of the two mounting blocks, the two mounting blocks are arranged at intervals through the folding curtains, mounting grooves are formed in the bottom faces of the mounting blocks, sliding grooves are formed in the top faces of the mounting blocks, and the sliding grooves are arranged in the sliding grooves. Clamping grooves are formed in the two sides of the inner wall face of the sliding groove. The fixing assembly is arranged above the mounting block and used for fixing the folding curtain, a sliding groove is formed, the fixing assembly can be conveniently moved by medical staff through the sliding groove, the medical staff can adjust the width of the folding curtain according to needs, and therefore the practicability of the shielding device is improved; and a rotating groove can be connected with a thread ...

Method and system for monitoring construction quality of 3D printing bridge floor based on semantic segmentation

The invention relates to a method and system for monitoring the construction quality of a 3D printing bridge floor based on semantic segmentation, and the method comprises the following steps: obtaining defect images of a printing region in the construction process of the 3D printing bridge floor, marking the defect video images frame by frame, and dividing the marked defect images into a training set and a test set; a semantic segmentation defect measurement model is constructed, and the semantic segmentation defect measurement model comprises a SegFormer neural network and an area conversion module used for conversion of a pixel area and an actual area: the SegFormer neural network is trained by using the training set to obtain the pixel area of the defect, and then the actual area of the defect is obtained through the area conversion module; therefore, the construction of a semantic segmentation defect measurement model is completed, and the model is used for monitoring the construction ...

Underway ADCP bridge measurement traction device with obstacle avoidance function

The invention relates to an underway ADCP bridge measurement traction device with an obstacle avoidance function, and solves the problems that a traction rope needs to bypass each column when an existing underway ADCP bridge measurement device works on a bridge provided with a street lamp pole or a handrail, great inconvenience is brought, and safety risks exist in operation. The device mainly comprises a base, a vertical support and a swing arm, the river-side picking end of the swing arm comprises a moving ring and a fixed ring, a traction seat is arranged on the outer wall of the moving ring, an inner ring is nested in the moving ring and the fixed ring, the moving ring is pushed to rotate to different positions through forward and reverse rotation of the inner ring, and the picking end of the horizontal swing arm can be switched between a leftward opening state and a rightward opening state. Therefore, the pole-type obstacle passes through the interior of the ring, and the function ...

Safe efficient zinc powder grinding system

... 本实用新型公开了种安全高效的锌粉研磨系统，包括进料口、可调式喂料机、粉碎装置、减压仓和储料室；进料口设在可调式喂料机上，所述的可调式喂料机设有挡板、筛选板、电机和大颗粒出料口；粉碎装置内部设有两个并排设置的刀盘，刀盘之间设有缝隙；粉碎装置通过变频引风机和减压仓相连，减压仓和储料室相连。本实用新型结构简单，效率高，而且设置氮气系统，使空气和氮气按照定的比例进入锌粉研磨的过程，减少产品的氧化程度及防止锌粉和过量的氧气混合而产生安全隐患。 ...

Medical service robot for home-based care for aged

The invention discloses a medical service robot for home-based care for the aged, and relates to the technical field of medical services. The problems that face recognition cannot be carried out on a patient, services cannot be provided for the patient in a targeted mode, and the intelligent level is low are solved. A medical service robot for home-based care for the aged comprises a medical service robot body, the medical service robot body comprises a robot body and a protective cover, the protective cover is installed on the upper surface of the robot body, an LCD curved screen is installed on one side of the surface of the protective cover, and a binocular camera and evenly-distributed radar detectors are installed at the lower end of the robot body. An emergency stop switch and a charging interface are arranged on one side of the robot body; on the basis of the face recognition technology, home health consultation, medicine classification and medicine taking reminding service management ...

Transmission line transformer type ultra-wideband impulse pulse coaxial power divider

The invention belongs to the technical field of electromagnetic fields and microwaves, and relates to a transmission line transformer type ultra-wideband impulse pulse coaxial power divider. The problems that according to an existing multi-stage power divider based on the transmission line transformer principle, before a load is terminated, energy dissipation exists between series branches, after the load is terminated, short circuit rings exist between the series branches, and the in-band transmission efficiency is affected are solved. Comprising M stages of power division units and M-1 short circuit isolation structures, each stage of power division unit is one to N paths of parallel power division devices; the M stages of power division units are sequentially connected in series, the characteristic impedance of a main path conductor of the first-stage power division unit is Z0, and the characteristic impedance of main path conductors of the second-stage power division unit to the Mth-stage ...

Safety reduces grinder of zinc powder oxidation degree

... 本实用新型公开了一种安全并降低锌粉氧化程度的研磨装置，包括进料口、可调式喂料机、粉碎装置、减压仓和储料室；进料口设在可调式喂料机上，可调式喂料机与粉碎装置相连；所述的可调式喂料机设有挡板、筛选板和大颗粒出料口，筛选板上设置若干个直径可以调节的筛选孔，挡板和筛选板倾斜设置，大颗粒出料口位于可调式喂料机的最底端；粉碎装置内部设有刀盘，内壁上设有突起；粉碎装置通过变频引风机和减压仓相连，减压仓和储料室相连。本实用新型结构简单，效率高，而且设置氮气系统，使空气和氮气按照一定的比例进入锌粉研磨的过程，减少产品的氧化程度及防止锌粉和过量的氧气混合而产生安全隐患。 ...

Brake system

The invention discloses a braking system. Working modes of the braking system comprise a foot feeling adjusting mode, a backup braking mode and an active braking mode. Wherein in the foot feeling adjusting mode, a pedal of the pedal unit is treaded, brake pressure generated when the pedal is treaded is input into the simulator, and the brake foot feeling is adjusted through the simulator; meanwhile, the pressure buildup unit provides brake pressure for wheels; in the backup braking mode, the pressure buildup unit does not provide braking pressure for the wheels, the simulator provides the braking pressure for the wheels, and the pedal is treaded or not treaded; in the active braking mode, the simulator and the pressure buildup unit jointly provide braking pressure to the wheels. According to the invention, the functions of foot feeling adjustment, redundant braking and active braking can be realized, the cost is low, the pressure building speed and the liquid supplementing speed are high ...

Method for breeding wheat by combining heavy ions and tissue culture

The invention belongs to the technical field of wheat mutation breeding, and particularly discloses a method for wheat breeding by combining heavy ions and tissue culture, a method for combining C ion beam radiation mutation and tissue culture is adopted, mutant plants which keep original excellent characters and quality and are shortened in plant height are obtained, an M2S1 generation is basically stable, and the yield is high. The method can enter a district biotest and a variety certification program, so that the breeding period is greatly shortened, and the wheat breeding efficiency is improved.

Float glass production and glass flow adjusting device and device's transmission pole setting structure thereof

... 本实用新型提供一种浮法玻璃生产线及其玻璃液流调节装置和该装置的传动立杆结构，该装置设置在浮法玻璃生产线的熔窑与锡槽之间的液流通道部位，包括安装机座、驱动机构、传动立杆结构、闸板吊挂连接件和闸板砖。本实用新型的传动立杆结构采用分段结构，并且两段结构的连接板的四角分别设置相互垂直的长圆孔，通过上连接板沿着长圆孔长度方向移动，可以调节闸板砖与液流通道侧壁砖两侧缝隙大小，从而避免锡槽内气体从闸板砖与液流通道侧壁砖之间的缝隙逸出而产生锡石积聚；本实用新型通过平行设置两道调节装置，在其中一块闸板需要更换或调节装置出现故障时，启用另一闸板砖及其调节装置，可以减少更换闸板及调节装置维修对生产的影响。 ...

Key management method and device for distributed industrial control system

The invention provides a secret key management method and device for a distributed industrial control system (DCS), the method is suitable for the DCS, management, transmission, distribution and use of secret keys are achieved, and the industrial control device can safely use a whole set of secret keys to achieve encryption and decryption of data. According to the key management device, the key can be periodically updated, under the condition that the security of the key is protected, the use requirement of a distributed industrial control system (DCS) is met, and different key lengths can be realized to adapt to different industrial control data so as to ensure the real-time requirement. The use of the key is combined with the authentication of the industrial control device, and the result event information of the authentication and the use of the key is sent during use for auditing use. The security and the use convenience of the secret key are ensured in the use process of the secret ...

Tire transient instability processing method and device and storage medium

The invention provides a tire transient instability processing method and device and a storage medium, and relates to the technical field of tire vibration analysis, the tire transient instability processing method comprises the steps that driving condition data of a tire are acquired, and the driving condition data comprise the rolling angular speed, the vertical load and the dynamic unbalance eccentric torque; the rolling angular velocity and the vertical load are input into a transient dynamic model, a dynamic unbalance eccentric torque threshold value of transient instability of the tire is obtained, and the transient dynamic model is used for reflecting the corresponding relation between the rolling angular velocity and the dynamic unbalance eccentric torque threshold value and between the vertical load and the dynamic unbalance eccentric torque threshold value; when the dynamic unbalance eccentric torque is larger than or equal to the dynamic unbalance eccentric torque threshold value ...

Manufacturing method of resin lens capable of resisting high-energy blue light

The invention discloses a manufacturing method of an anti-high-energy blue light resin lens, which comprises the following steps: providing a stirred resin monomer, and mixing an anti-blue light absorbent in the resin monomer; a glass mold is filled with a resin monomer through a glue gun, the glass mold is provided with an optical female mold and an optical male mold, the optical female mold and the optical male mold are connected in an adhesive mode through an adhesive tape, a middle filling cavity is reserved, and honeycomb-shaped low-light units are arranged on the surface of the optical female mold and are sunken; curing the glass mold filled with the resin monomer to obtain a resin substrate; then performing infrared stress relief, cleaning and drying, and then plating a functional film layer; and finally taking out for inspection and packaging. According to the invention, the glass mold with the low-light unit is arranged and is matched with the resin monomer mixed with the anti-blue-light ...

Multi-point PLC synchronous jacking hydraulic device and system

The utility model provides a multipoint PLC synchronous jacking hydraulic device and system, and relates to the technical field of hydraulic jacking. The device comprises a hydraulic pump station, a control assembly and an oil cylinder assembly. And the hydraulic pump station is connected with the oil cylinder assembly through a hydraulic hose. The oil cylinder assembly comprises a plurality of lifting oil cylinders, each lifting oil cylinder comprises an oil cylinder body and a lifting rope, and the lifting ropes are arranged on the oil cylinder bodies and move relatively along the movement of the oil cylinder bodies. The control assembly is a displacement sensor, and the displacement sensor is arranged to be used for detecting the relative height position of the lifting oil cylinder. According to the device, the hydraulic pump station and the lifting oil cylinders are arranged, so that the system can lift all stress points of an object to be lifted at the same time, the lifting precision ...

Peanut oil and preparation method thereof

The invention relates to the technical field of peanut oil, and discloses peanut oil and a preparation method thereof.The method comprises the following steps that 1, peanut kernels are sequentially subjected to crushing, heat treatment, squeezing and solid-liquid separation to obtain first clear oil and solid residues, and then the first clear oil is subjected to degumming treatment to obtain second clear oil; and (2) in an inactive atmosphere, heating the second clear oil to 150-200 DEG C, carrying out heat preservation for 1-3 hours, and cooling to 30 DEG C or below at a cooling rate of 1-3 DEG C/min. The method can improve the fragrance of the peanut oil and reduce the green taste of the peanut oil.

Road slope adaptive fusion estimation method and device, vehicle and storage medium

The invention relates to the technical field of parameter estimation, in particular to a road slope self-adaptive fusion estimation method and device, a vehicle and a storage medium, and the method comprises the steps: recognizing the positioning information of the vehicle to obtain a velocity vector and a pitch angle, constructing a Kalman filter according to the velocity vector and the pitch angle, designing a corresponding noise calculation method, and calculating the noise of the vehicle according to the Kalman filter. Self-adaptive estimation of the first gradient and the second gradient of the road where the vehicle is located is achieved; based on a preset kinetic equation/kinematics equation and vehicle state information, a slope state equation is established with the vehicle pitch angle speed as the slope change rate, reasonable modeling is conducted on noise, and self-adaptive estimation of the third slope and the fourth slope of the road where the vehicle is located is achieved ...

Semiconductor polymer film and preparation method thereof

The invention provides a preparation method of a semiconductor polymer film. The preparation method comprises the following steps: (S1) adding polythiophene into a solvent, heating and stirring to prepare a polythiophene solution; (S2) adding cycloparaphenylene into the polythiophene solution, stirring, and ultrasonically mixing uniformly to obtain a mixture solution; and (S3) spin-coating the mixture solution on a silicon wafer at the rotating speed of 1200-1800rpm to obtain a polymer film, and annealing in nitrogen at the temperature of 100-150 DEG C for 5-30 minutes. Cycloparaphenylene molecules (CPPs) can be structurally seen as fragment molecules of carbon nanotubes, have annular non-planar pi molecular orbits and are introduced into polythiophene semiconductor polymers, and the huge annular structures of the CPPs can inhibit formation of rigid and brittle crystals. Besides, the CPPs exist between the semiconductor chains, so that the main body chains can be allowed to have larger ...

Equipment interface module test cable, dismounting and mounting method thereof and safety instrument control system

The embodiment of the invention discloses an equipment interface module test cable, a dismounting and mounting method thereof and a safety instrument control system. The equipment interface module test cable comprises a test trolley cable joint, a test cable main body, a branch cable main joint, a branch cable, a branch cable sub-joint and an equipment interface module terminal special converter; the equipment interface module terminal special converter is connected with a cabinet where an equipment interface module is located, collects signals of the cabinet where the equipment interface module is located, and transmits the collected signals to the test trolley through the branch cable sub-joint, the branch cable, the branch cable main joint, the test cable main body and the test trolley cable joint in sequence. According to the invention, the cable laying difficulty is reduced, the risk of damage to a prefabricated joint or a wiring terminal is avoided, the risk of damage to equipment ...

Profile control and water plugging agent as well as preparation method and application thereof

The invention relates to the technical field of oil exploitation, in particular to a profile control water plugging agent and a preparation method and application thereof. The method comprises the following steps: (1) mixing a cellulose compound, acrylamide and water, then adding a cross-linking agent, and then adding an initiator to carry out polymerization reaction; (2) mixing the material obtained in the step (1) with a metal salt solution, and then carrying out solid-liquid separation and drying; wherein the cellulose compound is selected from one or more than two of carboxymethyl cellulose, carboxyethyl cellulose and polyanionic cellulose. The profile control and water plugging agent is a hydrogel material with a unique dual-network structure, is good in stability, and still keeps relatively good strength under high-temperature and high-salt conditions.

Method for determining site search range

The invention belongs to the technical field of location search methods in map software, and particularly relates to a method for determining a location search range. Acquiring a long-press action of a user on any place icon on the map; triggering a voice recognition function, if voice is input, recognizing a voice instruction, and determining a place to be searched by the user, namely searching a specified place in the voice content of the user by taking a central point of an icon of the place pressed by the user as a circle center, and gradually expanding a search range according to the time length pressed by the user; if no voice is input, the type of the place icon clicked by the user is recognized, and the search range of the type of place icon is gradually expanded according to the time length pressed by the user with the center point of the place icon as the circle center; displaying the searched target type location mark on a map; according to the method, the distribution condition ...

Motor rotor aluminum casting device and use method thereof

The invention discloses a motor rotor aluminum casting device and a using method thereof, and relates to the technical field of motor rotor casting, the motor rotor aluminum casting device comprises a workbench, one side of the workbench is provided with a molten aluminum tank, the workbench is provided with a vertical stand column, the top of the stand column is provided with a horizontal mounting plate, the mounting plate is provided with an upper die, and the upper die is provided with a lower die; a hydraulic cylinder for driving the upper die to move in the vertical direction is arranged above the mounting plate, the workbench is provided with a lower die, the lower die is located below the upper die, the workbench is slidably connected with a middle die in the horizontal direction, a cooling assembly for cooling during die casting is arranged outside the lower die, and the cooling assembly comprises a cooling groove; a cooling liquid inlet and a cooling liquid outlet which are used ...

Medium-high temperature gelling sealing workover working fluid as well as preparation method and application thereof

The medium-high temperature gelling sealing workover working fluid comprises the following components in parts by mass: 100 parts of a base fluid, 10-90 parts of a diluent, 5-20 parts of a curing agent and 0.2-3 parts of an accelerant. The medium-high temperature gelling sealing workover working fluid is low in initial viscosity, low in initial consistency and long in pot life, the applicable temperature is 80-120 DEG C, the thickening time is 2-10 h, a formed condensate has excellent compressive strength, and the compressive strength is adjustable in the range of 7-50 MPa. The medium-high temperature gel sealing well repair working fluid can be applied to oil and gas well repair, enters oil and gas well cement sheath cracks after being pumped into a stratum, and is crosslinked to form a three-dimensional gel network structure under the action of high temperature and a curing agent, so that the cracks are effectively repaired, annulus pressure is eliminated, and economic loss is reduced ...

Preparation process of polarized light resin lens with high refractive index

The invention discloses a high refractive index polarized light resin lens preparation technology, which comprises: providing a cured resin substrate, and successively immersing the cured resin substrate in an organosilicon solution, a sodium hydroxide solution and pure water; putting into a drying oven for heat preservation; then carrying out plasma treatment; putting the treated resin substrate into a coating machine, and sequentially coating a silicon dioxide film layer, a zirconium dioxide film layer, an aluminum oxide film layer, a silicon dioxide film layer, a zirconium dioxide film layer, an aluminum oxide film layer, a silicon dioxide film layer, a zirconium dioxide film layer, an aluminum oxide film layer, a tin oxide film layer and a silicon dioxide film layer; putting the coated lens into a spin coater, and spin-coating a fluorine-containing polymer; and finally, taking out the spin-coated lens, and carrying out vacuum plasma cleaning. According to the method, the oxide film ...

Engine remanufacturing-oriented information management system

The invention relates to an engine remanufacturing-oriented information management system. A system user management module logs in the system to check and operate information after setting an input password; the basic information management module is used for displaying enterprise business, employee information, production specifications and matters needing attention thereof, and engine models and serial number data; the equipment management module is composed of equipment information, an equipment operation process, equipment maintenance and regular verification; the process information management module is used for storing process flow files of engine remanufacturing, wherein the process flow files comprise a disassembly process file, a cleaning process file, a processing process file, an inspection process file, an assembly process file, a hot test process file and a packaging process flow file; the quality management module records the work content of each employee and records the process ...

Asset tracking system

The present invention provides an asset tracking system (100) for tracking a tag (10) in a space (500), where the tag (10) periodically transmits a beacon signal (20), where the asset tracking system (100) comprises a plurality of listener nodes (110) arranged in the space (500) and configured to detect the beacon signal (20), and where the asset tracking system (100) comprises a control system (300) configured to control the tag (10) in the space (500). Wherein the control system (300) has access to location data of the plurality of listener nodes (110), where in an operating mode: each listener node (110) of the plurality of listener nodes (110) determines a signal property upon detection of the beacon signal (20), where the listener node (110) determines an announcement delay based on the signal property; each listener node (110) after the announcement delay announces the measurement signals (120) to an associated proper subset (111) of the plurality of listener nodes (110) unless the ...

Sacculus that carries is taken off in propelling movement forward of prevention support

... 本实用新型公开了一种预防支架往前推送脱载的球囊，包括球囊和位于球囊两端的管腿，球囊包括主体段球囊和阶梯段球囊；主体段球囊和阶梯段球囊之间通过过渡椎体主体段球囊连接；靠近主体段球囊的一端为远端管腿，通过远端椎体与主体段球囊连接、靠近阶梯段球囊的一端为近端管腿，通过近端椎体与阶梯段球囊连接；主体段球囊的直径小于阶梯段球囊的直径，长度大于阶梯段球囊的长度。本实用新型通过增加阶梯段形成“丁”型球囊，使得压装到球囊上的支架除了支架对球囊压力和摩擦力外，还有阶梯段对其进行卡位，使支架在导管往前的推送过程中适当预防支架从球囊上脱载，减小支架脱载的隐患，提高手术成功率，降低了风险。 ...

Red light Mini-LED chip, preparation method thereof and display screen

The invention provides a red light Mini-LED chip, a preparation method thereof and a display screen. The red light Mini-LED chip comprises a target substrate; the epitaxial layer is positioned on one side of the target substrate; and the first DBR reflecting layer is positioned on one side, deviating from the epitaxial layer, of the target substrate. According to the red light Mini-LED chip, the DBR reflecting layer is plated on the target substrate, so that the light-emitting angle of the red light Mini-LED chip is increased, the brightness is improved, the light-emitting angle of the red light Mini-LED chip reaches about 130 degrees, and the light-emitting angle of the red light Mini-LED chip tends to be consistent with the light-emitting angle of a green light Mini-LED chip and the light-emitting angle of a blue light Mini-LED chip.

LED fluorescent powder layer structure design method based on deep learning

The invention provides an LED fluorescent powder layer structure design method based on deep learning. The LED fluorescent powder layer structure design method comprises a forward network and a reverse network. The forward network is used for establishing a mapping relation between fluorescent particle distribution characteristics (concentration, thickness and particle size) and light emitting effects (color coordinates, lighting effect and contrast ratio); and the reverse network reversely outputs corresponding distribution characteristics according to the given optical property based on the mapping relationship, and is used for guiding the preparation process. The method comprises the steps of S1, collecting and constructing a data set, and dividing the data set into a training part and a testing part; s2, establishing a deep neural network model which comprises a forward network and a reverse network; s3, training and testing a network model, and optimizing the network model according ...

Pump valve double-source driving hydraulic cylinder speed and position compound control system

The invention belongs to the technical field of hydraulic control, and relates to a pump valve double-source driving hydraulic cylinder speed and position compound control system for engineering machinery. Comprising a first power source, a first hydraulic pump, a second power source, a second hydraulic pump, a safety valve, a proportional direction valve, a hydraulic control one-way valve, a hydraulic cylinder, a handle, an oil tank, a rotating speed sensor, a first pressure sensor, a second pressure sensor, a third pressure sensor, a temperature sensor, a position signaling device, a magnetic induction mark, a counting correction module and an integration module. The system comprises a computing control module, a signal acquisition module, a data storage module, a cloud memory, a communication protocol module, a fault diagnosis module and a process monitoring module. Compared with the prior art, not only can flow detection be realized, but also speed and displacement detection and control ...

Functional pig compound feed composition and application thereof

The invention provides a functional pig compound feed composition, a method for feeding lactating sows and application of the functional pig compound feed composition in increasing the daily average feed intake and/or lactation yield of the lactating sows or increasing the daily gain of piglets. The functional pig compound feed composition prepared from the corn screen underflow fermentation product can improve the daily average feed intake of sows in the lactation period and increase the lactation yield, so that the growth and development of piglets are ensured, and the daily gain of the piglets is increased.

Signal positioning algorithm based on mobile sum-difference co-prime array hole filling

According to the method, on the basis of sum-difference co-prime array signal processing, the achievable freedom degree and the number of continuous virtual array elements can be increased through sparse array movement, virtual array holes are reduced, the array freedom degree is further increased, the algorithm calculation amount is reduced, and high-precision information source positioning is achieved; after vectorization redundancy elimination is carried out on an auto-covariance data matrix and a cross-covariance data matrix of the mobile sum-difference co-prime array receiving data, reordering is carried out to obtain continuous virtual array receiving data; matrix reconstruction is carried out on received data of single snapshot of the continuous virtual array to obtain a full-rank matrix, and then unitary transformation is carried out on the full-rank matrix to obtain a real matrix; characteristic decomposition is carried out on a data matrix of unitary transformation to obtain a ...

Application of HOTTIP siRNA in inhibiting or reversing drug resistance of breast cancer to trastuzumab

The invention discloses application of HOTTIP siRNA in inhibiting or reversing drug resistance of breast cancer to trastuzumab, and belongs to the field of biological medicine. The invention proves that the HOTTIP gene is related to the drug resistance of breast cancer cells to trastuzumab, and experiments prove that si-HOTTIP knocks down the expression level of HOTTIP in drug-resistant cells, so that the proliferation, apoptosis and invasiveness of the breast cancer cells can be remarkably regulated and controlled, and the drug resistance of breast cancer to trastuzumab is reversed; scientific basis is provided for clinically solving the problem of drug resistance of breast cancer to trastuzumab, and important significance is achieved for research of clinical medication schemes of breast cancer.

Construction method for upper cross beam and tower crown of main tower of cable-stayed bridge

The invention provides a cable-stayed bridge main tower upper cross beam and tower crown construction method which comprises the steps that S1, after two middle tower columns are closed, main tower pouring continues to be conducted through a creeping formwork, S2, anchor bolts are pre-buried in the inner walls of the two sides, corresponding to the transverse bridge direction, in a closed area cavity, brackets are fixed through the anchor bolts, and distribution beams in the bridge direction are arranged above the brackets, and S3, the main tower upper cross beam and tower crown construction is conducted. Outer molds corresponding to the upper cross beams are arranged through a creeping formwork system, steel bars corresponding to the upper cross beams are bound in the outer molds, and the steel bars corresponding to the upper cross beams are connected with the steel bars corresponding to the tower columns; and S4, the upper cross beam is poured through concrete by adopting a horizontal ...

Off-grid three-level inverter anti-interference backstepping control method based on ESO

The invention discloses an anti-interference backstepping control method for an off-grid three-level inverter based on ESO. The method comprises the following steps: firstly, establishing a second-order mathematical model of an off-grid T-type three-level circuit with an LC filter, and changing the second-order mathematical model to a rotating coordinate system through coordinates; secondly, for a system under a rotating coordinate system, introducing two kinds of interference, namely parameter perturbation and load interference, and designing an extended state observer to estimate interference in the system; thirdly, combining the backstepping controller with the extended state observer, and designing a feedforward-feedback composite anti-interference voltage tracking controller; and finally, by selecting a proper observer and feedback controller gain, the off-grid T-type three-level inverter can accurately output an expected voltage value. Meanwhile, by means of an SVPWM modulation algorithm ...

Effective communication method and device for following vehicle, terminal and storage medium

The invention discloses a method and device for effective communication with a rear vehicle, a terminal and a storage medium, and belongs to the technical field of vehicles, and the method comprises the steps: obtaining voice data in a request for communication between a driver and the rear vehicle when the request for communication between the driver and the rear vehicle is received; converting the voice data into text data; performing NLP semantic analysis on the character data, and determining civilized and polite text data corresponding to the character data; and displaying to a rear vehicle according to the civilized and polite text data. According to the method and the device for effectively communicating with the rear vehicle, the terminal and the storage medium, the communication between the front vehicle and the rear vehicle is realized, the intention of a driver is expressed for other vehicles in a more diversified manner, and the possibility of contradictions in the driving process ...

Electrically-driven non-road mobile operation machine driving and transmission control system

The invention discloses an electrically-driven non-road mobile operation mechanical driving and transmission control system, which relates to the technical field of engineering machinery, and comprises a first motor driver and a second motor driver which are respectively connected with a walking unit, and an electro-hydraulic control system is connected with a rotation unit and a linear actuator system. The electro-hydraulic control system is coaxially connected with the two ends of the first motor driver and the two ends of the second motor driver, the third motor driver and the rotation unit are connected to the rotation body in parallel, and the controller is connected with the first motor driver, the second motor driver, the third motor driver, the electro-hydraulic control system and the linear actuator system. The non-road mobile operation machine can be efficiently driven to walk, driving and transmission control of recycling machine braking kinetic energy and operation mechanism ...