双屏访客机

Precise identification method and system for intelligent internet-of-things terminal operating system and application software

The invention discloses a precise identification method and system for an intelligent Internet of Things terminal operation system and application software, and the method comprises the steps: 1, building an active detection and passive monitoring method for an intelligent Internet of Things terminal network and the flow of the intelligent Internet of Things terminal network based on a feature engineering theory; the active detection comprises port active detection and protocol detection, and the passive monitoring comprises port passive detection, data packet deep analysis and flow statistical feature extraction; and 2, based on the method established in the step 1, in combination with a multi-classification support vector machine, performing multi-dimensional joint feature extraction and matching on the intelligent Internet of Things terminal operating system and application software. According to the method, the multi-dimensional features of the operating system and the application software ...

闸机

Exhibition hall construction three-dimensional modeling auxiliary equipment

The invention belongs to the technical field of three-dimensional modeling auxiliary equipment, and particularly relates to exhibition hall construction three-dimensional modeling auxiliary equipment which comprises an unmanned aerial vehicle body platform, the unmanned aerial vehicle body platform comprises a vehicle body, an intelligent control terminal, wings and a supporting frame, and the wings are installed on the side wall of the vehicle body; the stable supporting frames are installed on the two sides of the bottom of the unmanned aerial vehicle body, and the intelligent control terminal is located in the unmanned aerial vehicle body and controls the unmanned aerial vehicle body platform to operate. The stabilizing module is installed on the supporting frame in advance, so that the supporting frame drives the machine body to tend to be horizontal, and the machine body can stably land and stop on a landing surface with a complex surface; the aircraft body can shoot more materials ...

CIGARETTE FILTER ROD AND PREPARATION METHOD THEREFOR

A cigarette filter rod, which is a gathered thin film (1). The thin film is provided thereon with discretely distributed indentations (5) and discretely distributed cracks (7) that penetrate the thin film. The indentations are long strip-shaped. When an external force is applied in the horizontal direction of the thin film, the thin film is mesh-like. A method for preparing the cigarette filter rod comprises: press-cutting a thin film for cigarettes into a plurality of indentation and crack-shaped thin films by means of a press-cutting device, and then gathering the thin films to form a filter rod. Since the thin films have cracks, the speed with which smoke penetrates the filter rod is increased, which reduces the amount of stagnation of smoke in the filter rod, increases the amount of smoke entering the mouth of a smoker, and improves the smoking sensation for the smoker.

PUMP DISPLACEMENT CONTROLLER, PUMPING SYSTEM, PUMP VEHICLE AND PUMP DISPLACEMENT CONTROL METHOD

Disclosed is a pump displacement controller (100), comprising a receiving device (10) for receiving real-time cantilever status information, real-time material condition information and an expected pump displacement; a mapping device (20) with a maximum permitted pump displacement database (21) reflecting the relationship between the cantilever status information, material condition information and a maximum permitted pump displacement being pre-stored therein; the mapping device (20) mapping a maximum permitted pump displacement corresponding to the working mode represented by the real-time cantilever status information and the real-time material condition information according to the database (21); a comparison device (30) for comparing the expected pump displacement and the maximum permitted pump displacement and outputting the smaller one of the two values as a pump displacement to be applied. Disclosed are a pumping system using the pump displacement controller, a pump vehicle using ...

METHOD OF ESTABLISHING MAXIMUM PERMITTED PUMP DISPLACEMENT DATABASE FOR PUMP VEHICLE

Disclosed is a method of establishing a maximum permitted pump displacement database for a pump vehicle, comprising: selecting a working mode and pumping at a pump displacement in the selected working mode; calculating the current cantilever vibration intensity; comparing the current cantilever vibration intensity and a vibration intensity threshold value; if the current cantilever vibration intensity is equal to the vibration intensity threshold value, taking the current pump displacement as a maximum permitted pump displacement, otherwise adjusting the current pump displacement to obtain a maximum permitted pump displacement such that the cantilever vibration intensity does not exceed the vibration intensity threshold value; and storing the maximum permitted pump displacement to correspond to the working mode. This method of establishing a maximum permitted pump displacement database can obtain a maximum permitted pump displacement by means of vibration intensity feedback depending on ...

Parking charging method and system based on flight time camera

The invention provides a parking charging method and system based on a flight time camera. The method comprises the following steps: receiving a detection feedback signal from a detector; wherein the detection feedback signal comprises a signal type and detection time; judging according to the signal type, and when the signal type is a parking signal, performing image acquisition on the target scene by the flight time camera according to the parking signal to obtain image data; performing license plate number identification processing according to the image data to obtain a license plate number; storing the license plate number in charging information; storing the detection time as starting time; when the signal type is a driving-away signal, the detection time is saved as termination time; calculating according to the starting time, the ending time and a preset charging method to obtain a total charging amount; generating a parking record according to the preset position information, the ...

Cognitive positioning method based on AI vision

The invention provides a cognitive positioning method based on AI vision, and the method comprises the following steps: S1, carrying out the target recognition of an image photographed by an airborne camera, and converting the output information into a normalized coordinate system with the center of the image as an original point; s2, calculating corresponding coordinates of the normalized coordinate system prediction frame, and amplifying the coordinates according to the original size of the image to obtain angular point coordinates in the image coordinate system; s3, increasing coordinate dimensions, and converting image coordinate points into a camera coordinate system; s4, converting the camera coordinate system to the aerial carrier body coordinate system; and S5, converting the aerial carrier body coordinate system into a geographic coordinate system to complete the positioning of the target. The method recognizes the target in the image through the artificial intelligence algorithm ...

Powder casting coating as well as preparation method and use method thereof

The invention relates to a powdery casting coating which comprises the following components in parts by weight: 00 parts of refractory aggregate, 0.1-10 parts of a film forming matter, 0.01-5 parts of an organic thickening agent, 0.1-10 parts of an inorganic thickening agent, 0.01-2 parts of a quaternary ammonium salt surfactant, 0.01-2 parts of a nonionic surfactant, 0.01-5 parts of a dispersing agent and 0.01-1 part of a solid polysiloxane defoaming agent. The invention further discloses a preparation method and a use method of the powdery casting coating. The powdery coating for casting disclosed by the invention does not contain liquid components in ingredients, belongs to a full dry powder coating, is simple in preparation process and convenient to transport, and effectively reduces the use cost of the coating for casting. The powdery casting coating disclosed by the invention can be used after being mixed with water and mechanically stirred uniformly, can be prepared and used at any ...

POSITIONING DEVICE FOR CIRCUIT BOARD

Provided is a positioning device for a circuit board. The positioning device comprises a bracket assembly (10), at least two positioning mechanisms (20), and a support mechanism (30); the at least two positioning mechanisms and the support mechanism are provided on the bracket assembly, separately; at least one of the positioning mechanisms comprises two positioning pins (210), and the two positioning pins are configured to be inserted into positioning holes (410) of the circuit board (40) and are opened to each other so as to position the circuit board; the support mechanism is configured to support the circuit board. The two positioning pins are inserted into the positioning holes of the circuit board and are opened to each other so as to position the circuit board, thus being able to adapt to positioning holes of different apertures, and moreover, the support mechanism contacts a relatively flat position on the circuit board to assist in supporting the circuit board, so that a PCB board ...

Portable LED driving power supply

The utility model discloses a portable LED driving power supply which comprises a power supply main body, the power supply main body is of a rectangular structure, one end of the power supply main body is provided with four screws, a wire and a fixing plate, and the other end of the power supply main body is detachably connected with two fixing clamps through two fixing mechanisms. The four screws are located at the four top corners of the outer surface of one end of the power source body respectively, the wire is located in the center of the outer surface of one end of the power source body, the fixing plate is located on the outer surface of the lower side of one end of the power source body, and three fixing holes are formed in the outer surface of the upper end of the fixing plate. According to the portable LED driving power supply, the fixing clamp effectively performs better fixation, the LED driving power supply is more convenient and faster, manpower is effectively saved, the rotating ...

Novel durable back pressure valve

The utility model discloses a novel durable back pressure valve which comprises an upper cover fixedly installed on a parent body, the parent body is provided with a pipeline inlet and a back pressure valve outlet, the parent body is provided with a circulation cavity, the upper cover is provided with an installation cavity, the upper cover is connected with a hand wheel in a threaded mode, an adjusting lead screw is fixedly connected into the hand wheel through a screw, and the adjusting lead screw is provided with an adjusting groove. The end, extending into the mounting cavity, of the adjusting lead screw is rotationally connected with a first spring button. The back pressure valve has the advantages that the piston assembly in the back pressure valve can bear larger pressure and is not prone to being damaged, the overall sealing degree is good, the problem of corrosion caused by the fact that fluid makes contact with the first spring can be avoided, normal use of the back pressure valve ...

Organic-inorganic solid waste composite sound insulation material and preparation method thereof

The invention relates to an organic-inorganic solid waste composite sound insulation material and a preparation method thereof, and belongs to the technical field of environmental protection and building materials. The sound insulation material is prepared from the following components in parts by mass: 15 to 40 parts of organic solid waste particles which are subjected to movement treatment in a plasma atmosphere, 60 to 85 parts of inorganic solid waste powder, 5 to 10 parts of lightweight aggregate, 0.2 to 1.0 part of a water reducing agent, 0.06 to 0.12 part of a retarder, 30 to 50 parts of water and 1 to 5 parts of nano aerogel, when the organic solid waste particles are subjected to motion treatment in the plasma atmosphere, the treatment power is 60-500 W, and the treatment time is 5-300 s; the organic solid waste particles are waste rubber of 40-80 meshes. On the basis of utilizing the organic solid waste and the inorganic solid waste, the building sound insulation material with ...

Thermal protection device for piezoresistor

The invention relates to a varistor thermal protection device (1) comprising a housing (10) and a varistor (2) embedded in the housing (10) wherein the varistor (2) comprises a first metallized electrode (21) only partially covered by an insulating material (11) of the housing (10) to allow an electrically conductive connection. Furthermore, the varistor thermal protection device (1) comprises: a first terminal wire (31) conductively connected to the first metallized electrode (21) of the varistor (2); and a contact element (33) which is electrically conductively connected to the first metallized electrode (21) of the varistor (2) in a region (12) of the varistor (2) which is not covered by the insulating material (11) of the housing (10), and which is electrically conductively connected to the second metallized electrode (21) of the varistor (2). The contact element (33) is pre-stressed in order to ensure a rapid separation of the contact element (33) from the second metallized electrode ...

PROCESS FOR PRODUCING TITANIUM TETRACHLORIDE USING LOW-GRADE TITANIUM RAW MATERIALS

Provided is a process for producing titanium tetrachloride using low-grade titanium raw materials. The process comprises adding the low-grade titanium raw materials into a furnace, heating the furnace to 420±40℃, continuously adding the low-grade titanium raw materials, feeding chlorine into the furnace to begin the reaction, controlling the temperature of the furnace at 600℃-700℃, collecting the gases containing titanium tetrachloride generated in the reaction, condensing the gases to obtain a titanium tetrachloride liquid and a tail gas, taking the reacted inert chlorination residues out of the furnace depending on the amount of the materials being added, and processing and discharging the remaining residue when the reaction is completed. The content of titanium carbide in the low-grade titanium raw materials is 6%-16%, and preferably 7%-12%.

PROCESS PROTECTION METHOD, APPARATUS AND DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

Disclosed are a process protection method, apparatus and device, and a computer-readable storage medium, wherein the method comprises: if it is detected that an application process is running, generating a service process corresponding to the application process (S101); establishing a connection relationship between the service process and the application process (S102); controlling the service process so same starts a protection procedure for the application process (S103); and when a stopping event used for stopping the application process is detected, controlling the service process so same uses the protection procedure to protect the application process and enable the application process to continue to run (S104). The method can increase the efficiency of protecting an application process that a user wishes to run, improving the usage experience of a user.

ANDROID APPLICATION PACKAGE UPLOAD METHOD, APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM

Disclosed by the present application are an Android application package upload method, apparatus, computer device, and storage medium. The method comprises: obtaining an automatic packaging script stored on a shared server; determining, by means of an automatic packaging script, whether a compilation configuration cache file exists in a local file; if a compilation configuration cache file is present in the local file, then reading the compilation configuration cache file and setting a current configuration parameter according to the compilation configuration cache file; if a compilation configuration cache file is not present in the local file, then initializing the current configuration parameter; configuring the current configuration parameter into an installation package program; compiling and packaging the installation package program to obtain an installation package.apk file; uploading the installation package.apk file to a preset designated server address. The method automates packaging ...

Heating roller of film laminating machine

The utility model discloses a heating roller of a film laminating machine, which comprises a roller body, a bearing and a bearing seat, the bearing and the bearing seat are sleeved at two ends of the roller body, the bearing seat is fixed on an external rack, a temperature sensor is fixed in the roller body, a collecting ring is arranged at one end of the roller body, and the temperature sensor is electrically connected with the collecting ring. And a temperature signal is transmitted to the outside through the collecting ring. According to the heating roller of the film laminating machine, the temperature of the roller body can be detected in real time through the combined action of the temperature sensor and the collecting ring, and closed-loop control is achieved.

Phototherapy positioning device

The invention discloses a phototherapy positioning device which mainly comprises a positioning plate, a positioning frame and a marking component, and the core component is the positioning plate. And a rectangular light-transmitting area is arranged in the middle of the positioning plate. Four first-type positioning holes are formed in the corners of the positioning plate, two of the four first-type positioning holes are located on extension lines of the two ends of the first edge of the rectangular light-transmitting area respectively, and the other two of the four first-type positioning holes are located on extension lines of the two ends of the second edge of the rectangular light-transmitting area respectively. The first side and the second side are a group of parallel opposite sides of the rectangle. The distances between the four first type positioning holes and the corresponding corner tops of the rectangle are equal. Four second-type positioning holes can be formed in the corners ...

METHOD AND SYSTEM FOR PREDICTING SPARSE MATRIX VECTOR MULTIPLICATION OPERATION TIME

The present invention relates to a method and system for predicting a sparse matrix vector multiplication operation time. The method comprises the following steps: constructing a convolutional neural network, wherein the convolutional neural network comprises an input layer, a feature processing layer, a data splicing layer and an output layer, the input layer being used for inputting a feature of a row feature matrix, a feature of a column feature matrix and a feature of an architecture parameter extension matrix in a sparse matrix, the feature processing layer being used for extracting the features in the previous layer, the data splicing layer being used for splicing the extracted feature of the row feature matrix, the feature of the column feature matrix and the feature of the architecture parameter extension matrix, and the output layer being used for outputting a prediction result; acquiring a plurality of groups of sparse matrices the sparse matrix vector multiplication operation ...

Intelligent construction mechanical claw

The invention relates to the technical field of engineering construction, in particular to an intelligent construction mechanical claw which is characterized in that when a sliding block moves upwards in a first groove, the distance between the sliding block and a mechanical arm and the end, fixedly connected with the inner wall of the first groove, of a pull rope is increased, at the moment, the pull rope pulls a piston, and the piston slides in a hard pipe of a sealing pipe; when the piston slides in the sealing pipe, the pressure intensity in the sealing pipe is reduced, and the sealing pipe adsorbs the smooth surface of the glass or the ceramic tile through the vent hole in the middle of the suction cup, so that the pressure intensity in the sealing pipe is reduced when the piston slides in the sealing pipe; and the suction cup generates stronger suction force on the glass or the ceramic tile, so that the suction force of the mechanical claw is stronger when the mechanical claw grabs ...

Multi-shaft flat wire winding and folding device

The invention provides a multi-shaft flat wire winding and folding device which comprises a feeding assembly, a wire feeding assembly, a wire winding assembly, a wire cutting assembly, a wire folding assembly and a discharging assembly. The feeding assembly is used for arranging and conveying frameworks; the wire feeding assembly is used for guiding movement of wires; the wire winding assembly is used for fixing the frameworks and then rotationally winding the wires; the wire cutting assembly cuts off the wire between the wire feeding assembly and the wire winding assembly; the wire folding assembly conducts multiple times of wire folding and one-time corner cutting on coils subjected to wire winding; and the discharging assembly conducts ordered arrangement on the coils subjected to wire folding. At least two rotating shafts are arranged in the wire winding assembly so that at least two frameworks can be wound in the wire winding assembly at the same time. Two clamping assemblies are arranged ...

Mineral water tank disinfecting and cleaning machine

The invention relates to the technical field of tank cleaning, in particular to a mineral water tank disinfecting and cleaning machine. The mineral water tank disinfecting and cleaning machine provided by the invention can comprehensively clean the interior of the tank. A mineral water tank disinfecting and cleaning machine comprises a water storage tank and a supporting main frame, the water storage tank is placed on the ground, the supporting main frame is placed on the ground, and universal wheels are rotationally connected to the bottom of the supporting main frame; the cleaning mechanism is arranged on the upper portion of the supporting main frame, and the lower portion of the cleaning mechanism is located in the water storage tank; and the disinfection mechanism is arranged on the cleaning mechanism. The cleaning rotating rod and the elastic brush enter the water storage tank, the cleaning rotating rod makes contact with the inner wall of the water storage tank, the elastic brush ...

LIGHT-TRANSMITTING CONCRETE MANUFACTURING PROCESS BASED ON WRAPPING OPTICAL FIBRE WITH PASTE

Disclosed is a light-transmitting concrete manufacturing process based on wrapping an optical fibre with a paste, comprising the following steps: making a straightened optical fibre (2) pass through a cement paste box (4) to adhere the paste to the surface of the optical fibre (2); making the optical fibre (41) adhered with the paste pass through a shaping barrel (5) to remove the excessive paste; cutting the optical fibre (41) adhered with the paste into isometric optical fibre core strips (10) after the paste coated on the surface of the optical fibre is hardened; aligning two ends of the optical fibre core strips (10) to arrange same closely together by way of bundling or stacking in a formwork; and injecting the cement paste into the clearance between the optical fibre core strips (10), and after the cement paste is hardened, polishing two ends of the concrete along the arrangement direction of the optical fibre until the ends of the optical fibre are exposed so as to obtain the light-transmitting ...

TRICYCLIC SUBSTITUTED OXASPIRO DERIVATIVE, PREPARATION METHOD THEREFOR, AND PHARMACEUTICAL USE THEREOF

Provided are a tricyclic substituted oxaspiro derivative, a preparation method therefor, and a pharmaceutical use thereof. In particular, compounds of formula (I) and formula (II) or pharmaceutically acceptable salts, stereoisomers, or solvates thereof, preparation methods therefor, and uses thereof are disclosed.

Refuse -collection device

... 本实用新型公开了一种垃圾收集装置，它包括垃圾箱，所述的垃圾箱分为活动部分和固定部分，所述的垃圾箱固定部分底角处设有弹簧转轴，所述的垃圾箱固定部分底面可绕弹簧转轴向下打开，所述的垃圾箱活动部分和固定部分之间设有夹持装置，所述的夹持装置一侧设有弹簧转轴，所述的垃圾箱活动部分可绕弹簧转轴向上打开，所述的夹持装置上固定有垃圾袋。该装置结构简单，可以防止液体粘性垃圾污染垃圾箱底部，还可以防止垃圾箱内垃圾过多溢出到路面的问题，减轻了城市清洁人员的工作量，提高城市环境质量。 ...

CONSTRUCTION METHOD FOR TUNNEL PASSING THROUGH HIGH-ANGLE THRUST WATER-RICH AND SAND-RICH FAULT

Disclosed is a construction method for a tunnel passing through a high-angle thrust water-rich and sand-rich fault, comprising the following steps: 1, performing the preliminary excavation and the supporting construction of a rear-side tunnel section (3); 2, performing the synchronous excavation and the supporting construction of the rear-side tunnel section (3) and a drainage cave body of a drainage cave (2); 3, performing the synchronous excavation and the supporting construction of the rear-side tunnel section (3), the drainage cave body of the drainage cave (2), and a rear-side detouring heading pit (1) section; 4, performing the excavation and the supporting construction of a front drainage cave (2) body, a front heading pit section, and a central tunnel section (5); and 5, performing the excavation and the supporting construction of a front-side tunnel section (4). The water on the upper wall of the fault is drained by means of a high-level drainage cave between a tunnel main cave ...

PERIOD IDENTIFICATION METHOD AND PERIOD IDENTIFICATION SYSTEM FOR VIBRATION SIGNAL

Disclosed are a period identification method and period identification system for a vibration signal. The period identification method comprises: step 1, determining an initial periodic line; step 2, identifying and calculating a balance line of each of first N periods of a vibration signal according to the initial periodic line; step 3, precalculating a periodic line of the next period of the vibration signal according to the N balance lines; step 4, judging a periodic line of the next period of the vibration signal according to the precalculated periodic line, and obtaining a balance line of the next period of the vibration signal; step 5, calculating the amount of variation between the balance line of the next period and the balance line of the last period, and precalculating a periodic line of the period after next according to the amount of variation; and step 6, executing step 4 and step 5 circularly. The period identification method precalculates the periodic line of the next period ...

Inspection robot advancing mechanism and method in concrete pumping pipeline

The invention discloses an advancing mechanism and method for an inspection robot in a concrete pumping pipeline. The advancing mechanism comprises a robot body, a suspension module, a locking module and a driving module. The suspension module is arranged on the robot body, the driving module is arranged at the tail end of the suspension module, and the locking module is arranged between the suspension module and the robot body. The suspension module is used for providing static friction force larger than the self-weight of the advancing mechanism and can change the working radius of the robot to adapt to the pipeline inner diameter. The locking module is used for locking the advancing mechanism; the driving module is used for providing advancing power. The requirement for movement in a complex environment in the pump pipe can be met.

Microporous composite material with sound absorption and insulation functions

The invention relates to a microporous composite material with sound absorption and insulation functions, and belongs to the technical field of noise reduction of sound absorption and insulation materials. According to the material, organic particles are rolled or vibrated in a plasma atmosphere with the power of 100-2000 W, so that the surfaces of the organic particles are softened and bonded with inorganic powder particles and nano aerogel powder; then carrying out movement treatment in a plasma atmosphere with stepped descending and 50-2000W power, forming a microporous rigid shell on the outer surface of the organic particle, and continuing movement treatment after the organic particle is separated from the plasma atmosphere to obtain a flexible particle coated with the rigid shell; and stirring the flexible particles coated with the rigid shell and a cementing agent, casting, molding and curing to obtain the microporous composite material, the material overcomes the defect that the ...

PUMPER TRUCK AND METHOD, CONTROLLER, AND APPARATUS FOR CONTROLLING PUMPER TRUCK BOOM VIBRATION

The present invention discloses a method for controlling swing vibration of a pumper truck boom. The method comprises: measuring the swing vibration intensity of the boom; extracting dynamic properties parameters; on the basis of the vibration intensity and the extracted dynamic properties parameters, calculating a control signal, used for controlling a swing execution mechanism, that can compensate for the vibration intensity; and then actuating the operation of the swing execution mechanism on the basis of said signal so as to control swing vibration of the boom. Also disclosed is a controller and apparatus for controlling the swing vibration of a pumper truck boom, and a pumper truck containing the apparatus. The technical solution described controls swing vibration of a pumper truck boom, reduces the risk of boom malfunction, and enhances the safety of the associated construction work.

HOUSING AND ILLUMINATION DEVICE

Disclosed are a housing (100) and an illumination device (200). The housing (100) comprises a power supply part (10), a light source part (20) and a connection part (30), wherein the light source part (20) surrounds the power supply part (10), and the connection part (30) is used for connecting the light source part (20) to the power supply part (10). The light source part (20) is arranged in such a way that the light source part surrounds the power supply part (10) instead of being superposed onto the power supply part, such that after a power supply module (60) and a light source module (50) are mounted on the housing (100), axial superposition of heat of the power supply module (60) and the light source module (50) is prevented, thereby reducing the working environment temperature of the power supply module (60) and improving the heat dissipation effect of the illumination device (200).

ROBOT AND CLIPPING DEVICE

A robot (10), comprising a robot body (11) and a clipping device (12). The clipping device (12) is mounted in the robot body (11); the clipping device (12) comprises a drive mechanism (121) and at least two clipping mechanisms (122); the drive mechanism (121) comprises a drive member (1211) and at least two first connection members (1212); at least one first connection member (1212) is provided with an accommodation space (12121); at least one clipping mechanism (122) is movably provided in the accommodation space (12121) so that the at least one clipping mechanism (122) can move with respect to the at least one first connection member (1212); the at least two clipping mechanisms (122) respectively pass through at least two clipping openings (1011) on a circuit board for clipping the circuit board (11). According to the solution, the interference between the clipping mechanism and a component on the circuit board can be avoided so as to efficiently clip the circuit board, and the interval ...

APPARATUS AND METHOD FOR ADJUSTING ANGLE OF INSTALLATION OF AIRCRAFT LANDING LIGHT

An apparatus and a method for adjusting an angle of installation of an aircraft landing light. The apparatus (1) comprises: a base (50), the base (50) comprising a rotary part (52) and a fixed part (53), and the rotary part (52) being capable of rotating about the fixed part (53); a carrier (30), being a hollow cylinder and fixed on the rotary part (52); a laser transmitter (20), a first end of which is provided with a laser outgoing hole (21) and a second end of which runs through the carrier (30) and is fixedly connected to the rotary part (52); and an adjusting mechanism (70) disposed on the carrier (30), used to adjust an angle of the laser transmitter (20) relative to the base (50). The apparatus and the method can easily and noticeably adjust an angle of installation of an aircraft landing light.

CONCRETE PUMPER APPARATUS AND END HOSE THEREOF FOR USE IN CASTING CONSTRUCTION

A concrete pumper apparatus and an end hose (20) thereof for use in casting construction. The end hose (20) for use in casting construction has arranged thereon a casting construction safety apparatus (10). The casting construction safety apparatus (10) comprises at least one safety protection unit (12a and 12b). The at least one safety protection unit (12a and 12b) is provided therein with a safety rope (125) that can be hitched onto the body of an operator for protection by pulling the operator during an emergency situation. The concrete pumper apparatus comprises the end hose (20) for use in casting construction. The casting construction safety apparatus (10) is structurally simple, of reduced costs, and convenient to install and to be removed for maintenance.

High -efficient heat abstractor of computer

... 本实用新型公开了一种计算机高效散热装置，包括接触板、固定连接孔、散热片、固定片、盘管、主件、散热风扇、电机泵、连接管、安置槽、冷却液槽，所述主件内设有冷却液槽，所述冷却液槽设有与接触板对应的安置槽，所述接触板设有多个固定连接孔，所述主件顶面四角处分别设有固定片，所述主件右侧面设有盘管，所述盘管一端与主件内的冷却液槽连通，盘管另一端与电机泵的出水口连接，与现有技术相比，本实用新型的有益效果是：该种一种计算机高效散热装置，采用水冷和风冷相结合的方式实现计算机的高效快速散热降温，同时采用铜制盘管将水降温，极大的降低经济成本，节约电能消耗，同时极大的提高了散热效果。 ...

Tensile fixture of cyclic annular sample

... 本实用新型提供一种环状试样拉伸卡具，包括上卡具本体和下卡具本体，所述上卡具本体和所述下卡具本体均包括：固定件,其包括固定部和U型凹槽，所述固定部与试验机固定连接，所述U型凹槽两端各设有一通孔；主结合部，其穿过所述通孔与所述固定件连接；拉伸件，其一端设有与所述主结合部相互配合的副结合部，另一端设有用于悬挂环状试样的悬挂部；背板，其与所述上卡具本体的固定件背侧固定连接，所述上卡具本体的拉伸件和所述下卡具本体的拉伸件背部都紧贴所述背板。本实用新型所述的拉伸卡具，结构简单、装卸试样方便且测量试样变形程度的方法既简单可靠，又满足了试验的标准要求。 ...

Warehouse three-dimensional visual management system based on digital twinning

The invention provides a warehouse three-dimensional visual management system based on digital twinning, and the system comprises a workbench which is provided with a first surface and a second surface which are relatively parallel, and also comprises a bottom surface; the two sides, in the conveying direction, of the conveying belt are connected with the first face and the second face correspondingly. The supporting plate is provided with a third surface and a fourth surface which are relatively parallel, and further comprises a fifth surface; a first driving assembly; a second driving assembly; a first conveying assembly; a second conveying assembly; the detection probe is connected with the supporting plate; wherein a first discharging port and a second discharging port are formed in the supporting plate, so that the problems that in the warehouse management process, goods which are prone to being damaged and goods which are not prone to being damaged cannot be classified in the goods ...

METHOD FOR OBTAINING CALIBRATION DUST MEMBRANE BY TREATING FILTER MEMBRANE AND METHOD FOR CARRYING OUT OFF-SITE CALIBRATION BY CALIBRATION DUST MEMBRANE

Provided are a method for obtaining a calibration dust membrane by treating a filter membrane and a method for carrying out off-site calibration by a calibration dust membrane. One batch of filter membranes in accordance with specific requirements are screened as matrix filter membranes, which are treated in the actual environment, to obtain the calibration dust membranes. By measuring the Beta particle count values before and after sampling, a correction factor K is derived reversely, and the correction factor K is used for correcting a beta-ray method suspended particle analyzer. It can be seen, according to the calculation results of the embodiment, that after the calibration dust membrane is used for calibrating the beta-ray method suspended particle analyzer, the concentration measured by the calibrated beta-ray method suspended particle analyzer is closer to a manual concentration and the CV value is about 7-8%, which can better reflect the change of PM pollution concentration in ...

Powder bio-based water reducing agent and preparation method thereof

The invention discloses a powder bio-based water reducing agent and a preparation method thereof. The powder bio-based water reducing agent comprises the following components: 10-25% of unsaturated carboxylic acid, 10-20% of unsaturated anhydride, 20-40% of polyethylene glycol, 10-50% of polyhydroxy biomass, 1-3% of a catalyst, 200-500ppm of a polymerization inhibitor, 0.2-1.0% of an initiator and 1.0-2.0% of a chain transfer agent, and the sum of the mass percentages of all the raw materials is 100%. According to the present invention, the esterification reaction of the polyhydroxy biomass raw material, the polyethylene glycol, the unsaturated carboxylic acid and the unsaturated acid anhydride is adopted to produce the steric hindrance, and the polyol esterification intermediate product is adopted as the reaction type plasticizer so as to reduce the system viscosity and improve the product dispersion performance; the powder bio-based water reducing agent is good in dispersity and high ...

Method for producing polyacrylate rubber by using waste plastic track powder

The invention discloses a method for producing polyacrylate rubber by using waste plastic runway powder, which comprises the following steps: firstly, crushing a waste plastic runway, and carrying out size screening; then the waste plastic track powder is pretreated to form a porous structure framework material; and finally, putting the prepared porous structure framework material into an acrylate monomer containing organic metal, adding a certain amount of initiator, and heating and polymerizing to obtain the elastic waste plastic runway powder modified polyacrylate rubber. The waste plastic track powder is pretreated to obtain the porous structure framework material, and the porous structure framework material has a large surface area; after reactive functional groups are introduced into the inner surface and the outer surface, reversible interaction with polyacrylate containing organic metal can be formed, and therefore the material has the repairable characteristic. Meanwhile, by adding ...

Gelatin-based conductive hydrogel as well as preparation method and application thereof

The invention discloses gelatin-based conductive hydrogel as well as a preparation method and application thereof. The preparation method comprises the following steps: adding an oxidation initiator into an aqueous solution containing gelatin, tannic acid and pyrrole to form a crosslinking site, and polymerizing to generate a hydrogel system; and adding an oxidation cross-linking agent to trigger a Michael addition reaction in the hydrogel network to obtain the gelatin-based conductive hydrogel matched with the natural spinal cord in strength. The gelatin-based conductive hydrogel with spinal nerve tissue conduction and mechanical matching characteristics is prepared for the first time, GST-TIMP-bFGF recombinant protein is biologically combined to the GSH modified conductive hydrogel to form the functionalized hydrogel, and the functionalized hydrogel can reconstruct an endogenous electric microenvironment to promote neuronal differentiation and can also be used for preparing the hydrogel ...

Flat basic device of cubic metre of earth and stone

... 本实用新型公开了一种土石方平基装置，它包括T型安装件A、T型安装件B、拉伸杆A和拉伸杆B，所述的T型安装件A下端插入拉伸杆A内部，通过旋紧螺母与拉伸杆A固定，所述的T型安装件B下端插入拉伸杆B内部，通过旋紧螺母与拉伸杆B固定，所述的拉伸杆A一端下方设有激光发射装置，所述的拉伸杆B一端下方设有激光接收装置，所述的拉伸杆B一端上方设有指示灯。该装置安装方便，可以配合不同大小的推土设备，通过激光定位平整度，精度高，可靠性强，而且该装置还可以调节平基所需控制的高度和拉伸杆的长度，配合多种工作环境，适用性广，避免多次测量定位造成的误差。 ...

Drawing board is used in animation design

... 种动漫设计用画板。本实用新型涉及种动漫设计用画板。所述的底板（1）与所述的透写板（2）之间连接LED灯（3），所述的LED灯（3）连接电路板（17），所述的电路板（17）固定连接在所述的底板（1）的上表面，所述的底板（1）的底框连接滑槽（4），所述的滑槽（4）上连接滑块（5），所述的滑块（5）上开有USB接口（6），所述的USB接口（6）连接可调节照明灯，所述的滑槽（4）开有连电通口（7），所述的连电通口（7）配合所述的USB接口（6）使用，所述的滑块（5）的两侧分别连接防尘绝缘组片，所述的可调节照明灯包括鹅颈管（8），所述的鹅颈管（8）的底端连接USB插头，所述的鹅颈管（8）的顶端连接灯罩，所述的灯罩为上弧形片（9）与下弧形片（10）铰接而成，所述的灯罩内装入无影灯（11）。本实用新型用于动漫设计。 ...

Image classification method based on adversarial sample training

The invention relates to an image classification method based on adversarial sample training. The method comprises the steps of preprocessing an image, attacking a training model, generating an adversarial sample and training and testing the adversarial sample. The method comprises the steps of firstly constructing a data set, obtaining features and label information of an original image, and dividing the original image into a training set, a test set and a verification image set; then constructing a feature deep learning classification network structure by using the basic feature convolution sub-network, the feature pooling sub-network, the full-connection sub-network and the loss sub-network; based on the loss function, training the model by means of a stochastic gradient descent method and a back propagation algorithm, and optimizing a depth image classification network model; attacking the classification model by using an algorithm combining FGSM with data enhancement; and then adversarial ...

Self-healing concrete waterproofing agent for plateau regions

The invention relates to a self-healing concrete waterproofing agent for plateau areas, and belongs to the technical field of cement and concrete admixtures in the building material industry. The water-proof agent comprises the following components in percentage by mass: 10-40% of a reinforcing component, 20-40% of an active component, 8-18% of a hydrophobic component, 25-40% of an expansion component, 5-10% of a nano component and 1-3% of a water reducing component, wherein the total mass of the raw materials is 100%. According to the waterproof agent, through the synergistic effect of the active component, the reinforcing component, the nano component and the expansion component, the concrete generates micro-crack self-healing due to environmental factors in the service period, the durability problem caused by cracks is reduced, the durability of the concrete is greatly improved, the service life of a building is prolonged, and the waterproof effect is good. The management and maintenance ...

BLOCKCHAIN-BASED STUDENT MANAGEMENT TERMINAL APPARATUS

Disclosed is a blockchain-based student management terminal apparatus. The apparatus comprises a touch display main body and a base. The base comprises a circular groove and a rotatable circular disk in transmission connection with the circular groove via weight bearing rollers. An outer edge of the rotatable circular disk is symmetrically provided with two reset buttons. Circular insertion holes matching the reset buttons are circumferentially arranged on the circular groove at an equal interval. The touch display main body is hinged to the rotatable circular disk via a hinge member. A rectangular barrier plate is fixedly disposed at a front side of the touch display main body and on the rotatable circular disk. An L-shaped support plate is disposed at a rear side of the touch display main body and at a top portion of the rotatable circular disk. A front end of the L-shaped support plate is hinged to a backing plate via a hinge member. The L-shaped support plate is symmetrically provided ...

Heat dissipation device for driving power supply of LED (light-emitting diode) street lamp

The utility model discloses an LED street lamp driving power source heat dissipation device which comprises a device body and an installation mechanism, a driving power source is arranged on the inner surface of the upper end of the device body, a fixing plate is arranged on the outer surface of the upper end of the device body, and a solar panel is arranged on the outer surface of the upper end of the fixing plate. And a heat dissipation mechanism is arranged on the outer surface of one side of the driving power supply. According to the heat dissipation device for the driving power source of the LED street lamp, through the arranged heat dissipation mechanism, when the driving power source supplies power to the LED lamp, the power is supplied to the fan at the same time, the fan is driven to operate in the movable cavity, heat dissipation is conducted on the driving power source, and the heat dissipation effect can be effectively improved; and through the arrangement of the mounting mechanism ...

Lung cancer molecular marker and application thereof

The invention discloses a lung cancer molecular marker WASF1 and application thereof, and belongs to the technical field of biological medicine. The research finds that the WASF1 is highly expressed in lung cancer tissues, the expression quantity of the WASF1 is remarkably positively correlated with clinical stages and distal metastasis of the lung cancer, and the expression level of the WASF1 can be applied to diagnosis of the development process and poor prognosis of the lung cancer. The research finds that the WASF1 can promote proliferation, invasion and metastasis of lung cancer cells, finds and verifies a regulation mechanism of the WASF1, verifies that the WASF1 is used as a drug treatment target, and can be applied to screening of drugs for inhibiting expression of the WASF1 to prepare anti-lung cancer drugs. Meanwhile, in-vivo and in-vitro experiments find that ATG down-regulates WASF1 expression and inhibits proliferation, infiltration and metastasis of the lung cancer, so that ...

DIFFERENTIAL-VELOCITY MULTI-CYCLONE CONICAL-BED AIR DISTRIBUTION STRUCTURE

A differential-velocity multi-cyclone conical-bed air distribution structure. Ladder-type bed surfaces are arranged at a high position and a low position in a boiler furnace (12). A high-speed bed (1) is arranged at the low position. A low-speed bed (2) is arranged at the high position. The high-speed bed (1) adopts a structure of V-shaped air distribution plates (10) and a plurality of conical air distribution chambers (8). A large-aperture V-shaped slag removal device (3) is arranged at the bottoms of the two V-shaped air distribution plates (10) and between every adjacent two of the conical air distribution chambers (8). Immersion heating surface pipes (5) and immersion superheaters (6) are arranged on the low-speed bed (2). The V-shaped air distribution plates (10) are provided with several T-shaped blast caps (9). A low-speed air chamber (4) is arranged below the low-speed bed (2). Upper ends of side walls of the boiler furnace (12) are respectively provided with negative pressure ...

PUMP DISPLACEMENT CONTROLLER, PUMP VEHICLE AND PUMP DISPLACEMENT CONTROL METHOD

Disclosed are a pump displacement controller, a pump vehicle and a pump displacement control method. The pump displacement controller (100) comprises: a receiving device (10) for receiving current boom vibration information and an expected pump displacement; a comparison device (20) for comparing the current vibration intensity obtained according to the boom vibration information with a pre-set vibration intensity threshold value; an optimization device (30) for, when the comparison result of the comparison device (20) indicates that the current vibration intensity is less than or equal to the vibration intensity threshold value, outputting the expected pump displacement as a pump displacement to be applied, and when the comparison result of the comparison device indicates that the current vibration intensity is greater than the vibration intensity threshold value, outputting an optimized pump displacement that is less than the expected pump displacement as a pump displacement to be applied ...

SIGNAL CONVERSION CIRCUIT, DIMMING LED DRIVING SOURCE AND LAMP

Provided are a signal conversion circuit, a dimming LED driving source and a lamp, relating to the field of illumination. The signal conversion circuit comprises a reference source, a PWM acquisition circuit, a push-pull circuit and a charging and discharging circuit. The reference source is used for providing a supply voltage; the PWM acquisition circuit is connected to a PWM output port, for acquiring a PWM signal; the push-pull circuit is connected to the reference source and the PWM acquisition circuit, for realising line conversion according to the PWM signal; and the charging and discharging circuit is connected to the push-pull circuit, for realising charging or discharging according to the conversion of the push-pull line, thereby adjusting a reference voltage by means of the PWM signal. Since no sampling operational amplifier with a complex scheme is used in the circuit structure of the present invention, the present invention has simple lines and can effectively reduce the cost ...

Double suction dryer formula road dust cleaning device

... 本实用新型公开一种双吸风筒式道路粉尘清洁装置，一级粉尘吸附腔的底部设置粉尘吸入腔，一级粉尘吸附腔的顶部设置二级粉尘吸附腔，二级粉尘吸附腔的左侧设置左风筒，二级粉尘吸附腔的右侧设置右风筒，一级粉尘吸附轴安装在一级粉尘吸附腔内，一级粉尘吸附轴的右端安装吸附轴电机，二级粉尘吸附轴安装在二级粉尘吸附腔内，左吸风轴安装在左风筒内，右吸风轴安装在右风筒内，左吸风轴的顶部安装左吸风电机，右吸风轴的顶部安装右吸风电机，下吸入扇驱动轴安装在粉尘吸入腔的顶部，下吸入扇驱动轴的右端安装下驱动马达。本实用新型其设计科学合理，结构简单，使用方便。 ...

Concrete anti-carbonization surface protective agent

The invention relates to a concrete anti-carbonization surface protective agent, and belongs to the technical field of building structure protection. The protective agent is composed of a component A protective pre-coating liquid and a component B inorganic protective agent, wherein the component A is composed of calcium hydroxide, magnesium hydroxide and water according to the mass ratio of (7-9): (1-3): (80-90); the component B is composed of sodium silicate, lithium silicate, a dispersing agent polyethylene glycol, a silicate stabilizer and water according to the mass ratio of (20-30): (20-30): (0.3-0.8): (0.1-0.5): (40-50); the protective agent realizes dual protection through capillary crystallization and increase of surface alkalinity, enhances the concrete anti-carbonization effect of the protective agent, can permeate into the surface layer of a building by 15-25 mm, fills pores in the surface of concrete, plays a role in densifying the surface layer and prevents harmful gas from ...

Method for toughening polylactic acid by using waste polyurethane plastic track powder

The invention discloses a method for toughening polylactic acid by using waste polyurethane plastic runway powder, which comprises the following steps: firstly, crushing a waste polyurethane plastic runway, and carrying out size screening; then, the screened polyurethane powder is pretreated to be used as a toughening agent; finally, the pretreated polyurethane powder and polylactic acid are subjected to melt blending according to a certain proportion, and the toughened polylactic acid material is obtained. According to the invention, the waste polyurethane powder is pretreated, so that the compatibility and interfacial interaction between the waste polyurethane powder and the polylactic acid are increased, and the mechanical properties, especially the elongation at break and notch impact strength, of the polylactic acid composite material are obviously improved; meanwhile, waste polyurethane plastic track powder is selected, waste is turned into wealth, and resource reutilization is achieved ...

Water precipitation impurity remover for mineral water

The invention discloses a water precipitation impurity remover for mineral water, and relates to the field of mineral water impurity removal, the water precipitation impurity remover comprises a workbench and an impurity removal cylinder, the top of the impurity removal cylinder is provided with a water inlet pipe, a rotating pipe is rotatably arranged in an interlayer of the impurity removal cylinder, the inner side of the impurity removal cylinder is rotatably provided with a rotating shaft, and the outer wall of the rotating shaft is symmetrically provided with a plurality of groups of stirring blades; an impeller matched with the rotating pipe is arranged at the rotating pipe, one end of the rotating shaft is connected with a threaded rod through a transmission mechanism, a threaded plate is arranged on the threaded rod in a sliding mode, and a filter plate is installed in the impurity removal barrel. Impellers are impacted by water flow, a water source on a sealing plate and a coagulant ...

PRODUCT CATEGORY RECOGNITION SYSTEM AND LIGHTING FIXTURES

Provided by the present invention are a product category recognition system and lighting fixtures, the product category recognition system being used for recognizing the categories of lighting fixtures in a lighting system, and the product category recognition system comprising: a power supply motherboard provided in each lighting fixture and a dimming control board that is electrically connected to the power supply motherboard; the power supply motherboard comprises a product model identifying circuit, and the power supply motherboard is configured such that, after the dimming control board accesses the power supply motherboard, a voltage detection signal is transmitted to the dimming control board by means of the product model identifying circuit; the dimming control board is configured to receive the voltage detection signal transmitted by the power supply motherboard, and recognize, according to the voltage detection signal, a category of the lighting fixtures to which the power supply ...

SOLDERING DEVICE

A soldering device, comprising: a soldering station (10); a master grabbing robot (20) with one end connected to a master end effector (40), the master end effector (40) being used to grab an inductance coil, and the master grabbing robot (20) driving the master end effector (40) to convey the inductance coil to the soldering station (10); a slave soldering robot (30) with one end connected to a slave end effector (50), the slave end effector (50) being used to solder the inductance coil, and the slave soldering robot (30) driving the slave end effector (50) to move; and a controller (60) coupled to the master grabbing robot (20) and the slave soldering robot (30).

PORTABLE MULTI-EFFECT MIXER FOR NANO-LUBRICATING ADDITIVE

A portable multi-effect mixer for a nano-lubricating additive comprises a cylindrical housing (1). A machine cabinet (2) is fixedly mounted at one end of the cylindrical housing (1), and a discharge port (15) is disposed at another end of the cylindrical housing (1). A ball valve (16) is disposed on the discharge port (15). A handle (11) is disposed at one side of the exterior of the cylindrical housing (1). A first feeding tube (3) and a second feeding tube (4) are disposed side by side at a position on another side of the exterior of the cylindrical housing (1) close to the machine cabinet (2). A control switch (19) is disposed at one side of the exterior of the machine cabinet (2). A motor (7) is fixedly mounted in the machine cabinet (2). A partition plate (21) is fixedly mounted in the cylindrical housing (1). The partition plate (21) is located between the first feeding tube (3) and the second feeding tube (4). The partition plate (21) is evenly provided with through holes. The mixer ...

METHOD FOR PREPARING VARISTOR CAPABLE OF RESISTING LARGE SURGE CURRENT IMPACT, AND VARISTOR

Disclosed in the present invention is a method for preparing a varistor capable of resisting a large surge current impact, and the varistor. The method comprises the steps of: step 1: covering a zinc oxide varistor plate with a conductive electrode material, to obtain a zinc oxide varistor plate having a conductive electrode layer; step 2: preparing a glass protective layer slurry comprising bismuth glass powder, and covering the zinc oxide varistor plate having the conductive electrode layer from step 1 with the glass protective layer slurry; step 3: subjecting the zinc oxide varistor plate covered with the glass protective layer slurry, resulting from the processing of step 2, to curing heat treatment, to obtain the varistor capable of resisting a large surge current impact. The varistor of the present invention can attain a higher performance requirement than before, and the level of surge current impact resistance is increased by 25% or more.

METHOD FOR SYNTHESIZING R-3-CHLOROALANINE METHYL ESTER HYDROCHLORIDE

The present application relates to the field of drug synthesis, and disclosed thereby is a method for synthesizing R-3-chloroalanine methyl ester hydrochloride, comprising the following steps: 1) allowing d-serine to react with paraformaldehyde so as to form D-serine-N-carboxy anhydride represented by formula III; and 2) allowing the D-serine-N-carboxy anhydride represented by formula III to react with a chlorinating reagent so as to produce R-3-chloroalanine methyl ester hydrochloride represented by formula V. The method has simple process operation, environmental friendliness, mild reaction conditions, final product purity up to 99% and yield up to 94.72%, and is thus suitable for industrial production.

Feature point tracking method and device and electronic equipment

The invention discloses a feature point tracking method and device and electronic equipment. In order to solve the defects that an existing feature point tracking scheme is sensitive to noise, not high in accuracy and low in response speed, the method comprises the steps that event frames are obtained by conducting frame pressing on event streams; creating a feature point coordinate list, a feature point serial number list and a feature point tracking frequency list of the current moment and the last moment for the feature points; inputting the event frame into an optical flow estimation network to obtain an optical flow of a pixel point; and obtaining a feature point coordinate list at the current moment according to the feature point coordinate list at the previous moment and the optical flow of the corresponding pixel point. According to the optical flow estimation network and the coordinates, the serial numbers and the tracking frequency lists of the feature points at the two moments ...

Spherical silver powder for automobile glass silver paste and preparation method of spherical silver powder

The invention discloses spherical silver powder for automobile glass silver paste and a preparation method of the spherical silver powder, and belongs to the technical field of conductive metal powder preparation. The invention discloses a preparation method of spherical silver powder for automobile glass silver paste, which comprises the following specific steps: adding a silver nitrate solution into a reduction solution at a constant speed for reaction to obtain silver powder suspension, then performing coating treatment, filtering, washing and solid-liquid separation to obtain a silver powder wet material, and finally performing drying and airflow depolymerization to obtain the spherical silver powder. The particle size, the surface appearance and the surface characteristics of the silver powder can be accurately controlled by controlling the material concentration, the feeding speed, the reaction rotating speed, the types of surface modifiers, the depolymerization gas pressure and the ...

Tilted fiber bragg grating material of gold particle composite silver film and application of tilted fiber bragg grating material as biosensor

The invention provides a tilted fiber bragg grating material of a gold particle composite silver film and application of the tilted fiber bragg grating material as a biosensor. The invention relates to a method for uniformly growing a two-dimensional material on an optical fiber structure by using photodeposition and a method for detecting PD-L1 molecules by using a particle-film composite fiber grating plasma biosensor prepared by using the method. Based on a multi-propagation mode of a tilted fiber bragg grating (TFBG), a silver film surface plasma resonance effect (SPR) and a local plasma resonance effect (LSPR) of gold particles, a high-precision comb-shaped sensing spectrum is generated under the combined action of multiple coupling modes, and real-time and in-situ monitoring and analysis of biomolecule modification in a liquid environment are realized.

PHOTOLUMINESCENT NANOPARTICLE, PREPARATION, AND APPLICATION THEREOF

Luminescent nanoparticle, preparation, and application thereof are disclosed. The luminescent nanoparticle consists of matrix, which is a macromolecular compound containing carboxyl group, and rare-earth luminescent dye dispersed in the matrix. The preparation method of the luminescent nanoparticle comprises: dissolving the rare-earth complex luminescent dye and the macromolecular compound in organic solvent miscible with water, adding the solution into water, and forming the luminescent nanoparticle by coprecipitation-selfassembly process. The prepared luminescent nanoparticle has excellent long-wave agitational luminescent properties and good stability, and can be used in coupling the surface carboxyl group of a biomolecule. The biological probes based on the luminescent nanoparticle have wide application prospects on the aspects of high-sensitivity luminescent immunoassay, biologic imaging and the like.

Sea area dynamic spectrum access method based on intelligent algorithm

The invention relates to a sea area dynamic spectrum access method based on an intelligent algorithm. The sea area dynamic spectrum access method comprises the following steps: accessing a sea area user system: mapping an Agent in Qlearning to the sea area dynamic spectrum access user system; an external environment state set S is divided, a channel where a user is located is regarded as a state, n channels are included in a sea area communication network, an action set A is created, the Agent action set A regards a sea area communication channel which the user selects to access as an action, the action set is composed of n actions, the design of a return value R is based on system performance indexes, and the return value R is designed based on the system performance indexes. The learning target of the Agent should be reflected, a user selects and returns sea area communication channel access by utilizing the idea of the Q-learning algorithm and environment interactive learning, and the ...

Isolation main shaft module and isolation switch using same

The invention provides an isolation main shaft module and an isolation switch using the same, and belongs to the technical field of switch equipment. The isolation main shaft module comprises an isolation main shaft, an installation cylinder arranged on the isolation main shaft and an isolation knife moving end module installed on the isolation main shaft and the installation cylinder, the isolation knife moving end module comprises an isolation moving blade and a moving end voltage-sharing piece, a shielding voltage-sharing ring is fixedly arranged in the cylinder wall of the installation cylinder, and the shielding voltage-sharing ring and the moving end voltage-sharing piece are integrally connected; or the shielding grading ring is conducted with the movable end grading piece or the isolation movable blade through the connecting piece so as to wrap and shield the annular gas gap between the isolation movable blade and the inner wall of the mounting cylinder. Through a homogenized electric ...

Traffic scene radar device and traffic scene monitoring method

The invention provides a traffic scene radar device and a traffic scene monitoring method.The traffic scene radar device comprises a shell, a transmitter, a feeder system, an antenna, a receiver, an image acquisition unit, a data processing unit, a communication unit and a power interface, and the traffic scene radar device generates a detection signal according to a preset frequency and obtains image data of a traffic scene; according to the traffic scene radar device, traffic monitoring data of the traffic scene is generated through analysis, the traffic scene radar device is convenient to install, can adapt to monitoring of different traffic conditions, is not influenced by weather and illumination, can provide accurate traffic monitoring data, and greatly saves the traffic monitoring cost.

PUMPER AND METHOD, CONTROLLER, AND APPARATUS FOR CONTROLLING PUMPER BOOM VIBRATION

CIGARETTE FILTER ROD

A cigarette filter rod and a manufacturing method thereof. The cigarette filter rod is formed from a rolled thin film (1). The thin film (1) has mutually separated impressions (5) distributed thereon and mutually separated slits (7) extending therethrough. The impression (5) has an elongated shape. An external force is applied to the thin film (1) in a horizontal direction. The thin film (1) is in the form of a mesh. The manufacturing method of the cigarette filter rod employs a pressing and cutting apparatus to form multiple impressions and slits on a thin film (1) for a cigarette, and then the thin film (1) is rolled to form a filter rod.

REMOTE CONTROL FEEDING DEVICE OF CHIRAL NANOFILTRATION MEMBRANE FORMING MACHINE

A remote control feeding device of a chiral nanofiltration membrane forming machine, comprising a square supporting base (1), wherein the upper central position of the square supporting base (1) is fixedly mounted with a stirring barrel (3); moreover, the upper part of the square supporting base (1) is provided with three groups of feeding units (2) located at the periphery of the stirring barrel (3); the top of the stirring barrel (3) is fixedly mounted with a stirring motor (8); the rotating shaft of the stirring motor (8) is fixedly connected with the upper end of a stirring shaft (27) by means of a coupling (26); the stirring shaft (27) is provided inside the stirring barrel (3); the interior of the square supporting base (1) is further mounted with a PLC controller (18) and a 4G router (19); it may be realized to remotely control to add raw materials having different component rates for producing a chiral nanofiltration membrane to the stirring barrel (3); one side of the outside of ...

PREPARATION METHOD AND USE OF SERICIN HYDROGEL

Disclosed is a method for preparing a sericin hydrogel, and the method is as follows: first, weighing domestic silk fibroin deficient mutation variety silkworm cocoons for LiBr or LiCl extraction, dialysis and purification to obtain a non-degradable sericin/water solution with a mass percentage concentration of 0.1-4%; then concentrating the sericin/water solution to 1.5-10%, adding a cross-linking agent to the concentrated sericin/water solution (wherein 2-500 μl of the cross-linking agent is added into the sericin/water solution per ml), and fully mixing before placing at 4-45℃ for 5 seconds to 36 hours to obtain the sericin hydrogel. The sericin hydrogel has a biological activity and multiple functions, can be used as a carrier for growth factors, drugs and cells, and can be applied to the repair of a variety of soft tissue injuries, including but not limited to skin damage, muscle damage, injuries to blood vessels, nerve injuries, myocardial damages and the like, and treatment of diseases ...

Cubic metre of earth and stone tamping device

... 本实用新型公开了一种土石方夯实装置，它包括夯实机车体、主连接臂和副连接臂，所述的主连接臂和夯实机车体上方固定连接，所述的主连接臂和副连接臂铰接，所述的副连接臂末端设有连接转盘，所述的连接转盘左右两侧设有连接柱，所述的连接柱下端设有夯实底座，所述的夯实底座上设有加强筋。该装置安装方便，利用旋转动力代替活塞动力，夯实更加平稳可靠，还可以灵活调整底座的夯实方向，而且在需要时可以实现两个夯实底座同时工作，提高了夯实设备的工作效率。 ...

Positive silver powder prepared based on solvothermal method, method and application

The invention discloses positive silver powder prepared based on a solvothermal method and a method and application thereof, and belongs to the technical field of precious metal powder preparation. In a solvothermal reaction kettle, silver salt, a dispersing agent, a coating agent and the like are dissolved through an organic solvent and then mixed to obtain a mixed solution, the pH value of the mixed solution is adjusted through alkali liquor, in a closed reaction container, the silver salt can be reduced and coated in one step through the system temperature and the self-generated pressure generated by the system temperature, a silver powder product is obtained, and positive silver powder is prepared; according to the preparation method disclosed by the invention, the whole process is carried out in a liquid phase process, reaction substances such as a reducing agent do not need to be added for many times, the operation is convenient, the reaction process is simplified, and meanwhile, ...

Retinol ester derivative as well as preparation method and application thereof

The invention provides a retinol ester derivative and a preparation method and application thereof, and relates to the technical field of chemical synthesis.The preparation method comprises the step that retinol and carboxylic acid substances containing amino are subjected to a condensation reaction, and the retinol ester derivative is obtained. The retinol ester derivative is different from existing mature retinol derivatives in the market, and the retinol ester derivative is a brand new compound formed by changing corresponding ester groups. According to the method, the technical problems that in the prior art, retinol cannot be well esterified, and the obtained retinol amino acid derivative is unstable are solved, and the technical effects that the reaction raw materials are low in price and easy to obtain, the process is efficient, pollution is avoided, and the atom economy is high are achieved.

REFLECTIVE MASK FOR NAVIGATION LIGHT AND NAVIGATION LIGHT USING SAME

A navigation light comprises: a light source (1), a transparent lampshade (2), a reflective mask (3) and a baseboard (4). The reflective mask (3) and the transparent lampshade (2) are connected as a whole and fixed together on the baseboard (4). The light source (1) is arranged on the baseboard (4) and is close to the reflective mask (3). A ray of light emitted by the light source (1) passes through the transparent lampshade (2) after being reflected by the reflective mask (3). The navigation light has a compact structure and reduces the pneumatic influence while ensuring the light distribution.

MULTI-CHANNEL PACKAGING METHOD AND APPARATUS FOR APPLICATION, COMPUTER DEVICE, AND STORAGE MEDIUM

Disclosed are a multi-channel packaging method and apparatus for an application, a computer device, and a storage medium. The method comprises: acquiring an apk installation package, adjusting an extension of the apk installation package to be a specified extension by means of a first script, and carrying out unzipping to obtain an unzipped file; acquiring multiple sub-files included in the unzipped file and respectively carrying out an SHA1 operation to obtain file digests corresponding to the sub-files on a one-to-one basis; respectively carrying out Base64 encoding on the file digests to obtain hash values corresponding to the file digests on a one-to-one basis and storing same in a directory of the sub-files; creating a channel marking file in the directory of the sub-files by means of a second script, and correspondingly naming the channel marking file according to a channel number to be configured to obtain an unzipped file including channel data; and zipping the unzipped file by ...

Ground water -proof component

... 本实用新型涉及地面防水组件，其由上至下依次设有透水面层、防水层、基层；该地面防水组件还包括防震层和排水层，其中防震层设于排水层之上，且防震层和排水层设于透水面层和防水层之间；所述排水层设有集水透水管和排水透水管，其中集水透水管和排水透水管相互连通，所述集水透水管和排水透水管之间采用透水材料填充；所述集水透水管顶部对应透水面层和防震层一致均匀间隔设有水流通孔；本实用新型有益效果：该地面防水组件可避免道路组件由于受水浸泡而导致路基的强度和整体稳定性降低，保证路面的使用寿命；很好的实现了雨天道路表面不积水，从而保证行车更安全，且减少扬尘污染等问题。 ...

Property management system

... 本实用新型公开了一种物业管理系统，它包括监控中心和监测设备，监控中心内部设有网络模块A、显示模块和按键模块，显示模块和按键模块通过数据线与网络模块A连接，监测设备内部设有网络模块B、环境监测模块、浇注模块和报警模块，环境监测模块、浇注模块和报警模块通过数据线与网络模块B连接，环境监测模块内部设有空气污染检测器、温度检测器、湿度检测器和摄像头，浇注模块内部设有浇注喷头和供水管。该系统可以远距离监控各个路段公路安全情况，在出现事故时，可以及时报警，而且还可以多维度的监测绿化带内植物的健康状况平且可以自动浇水，出现问题时，监控中心可以及时发现维护，保障公路环境安全。 ...

Film guide roller buffer structure

The utility model discloses a film guide roller buffer structure which comprises a film guide roller, a left air cylinder and a right air cylinder which are respectively connected to two ends of the film guide roller, and two synchronization parts which are arranged at two ends of the film guide roller, a linkage rod is coaxially arranged in the film guide roller in a penetrating manner, and two ends of the linkage rod are linked with the synchronization parts. Therefore, the two ends of the film guide roller ascend and descend synchronously. According to the buffering structure of the film guide roller, through the combined arrangement of the synchronizing part and the linkage rod, the effect that the two ends of the film guide roller can ascend and descend synchronously can be effectively achieved, and the film guide roller is prevented from being in an inclined state.

Ophthalmic optical biological measuring instrument

The invention relates to an ophthalmic optical biological measuring instrument. The instrument comprises a mounting plate; a support frame, a measuring host and a control keyboard are fixedly arranged on the mounting plate; a jaw supporting mechanism is arranged on the supporting frame, and second motors are fixedly connected to the two sides of the middle of the supporting frame; the output shafts of the two second motors are fixedly connected with the same forehead flexible belt, the forehead flexible belt is provided with a constant-temperature heating film and a stress sensing piece, and through grooves are formed in the two sides of the upper portion of the supporting frame. The forehead fixing device has the advantages that under the combined action of a second motor, a forehead flexible belt, a widening part and the like, the forehead of a testee can be fixed, constant-temperature heating can be achieved in winter, so that discomfort caused when the forehead flexible belt is not ...

Special pressure regulator with negative pressure for semiconductor system BeCl

The invention relates to the technical field of pressure reducers, in particular to a special pressure regulator with negative pressure for a semiconductor system BeCl. Comprising a parent body, a first connecting pipe, a second connecting pipe, a cut-off assembly, a force application assembly, a transmission assembly and a negative pressure return assembly. The cut-off assembly is used for closing or opening the gas channel; the transmission assembly is connected with the cut-off assembly and used for transmitting force of the force application assembly to the cut-off assembly. The force application assembly is used for driving the cut-off assembly to move; the negative pressure return assembly is connected with the cut-off assembly, and in the vacuumizing state, the negative pressure return assembly is used for driving the cut-off assembly to move; when the air pressure of the first connecting pipe is the same as that of the second connecting pipe, the negative pressure return assembly ...

A METHOD OF QUICKLY DETERMINING HUMAN ABO/RH/MN BLOOD TYPE AND A TEST KIT THEREOF

A method of quickly determining human ABO/Rh/MN blood type and a test kit thereof. A blood sample to be detected is applied onto a test strip precoated with anti-A or anti-B or anti-M or anti-N antibodies. After wash solution is dropped onto one end of the test strip, the blood type of the blood sample is determined by whether agglutinated red cells are remained in reacting sites.

FUNCTION TEXTILE WITH NANOMETER COMPOSITE STRUCTURE PRODUCED BY NANOMETER PROTEIN MATERIAL AND METHOD OF PREPARATION

A method for producing function textile with nanometer composite structure by nanometer protein material comprises the following three steps: S1.nanometer protein material accumulating on the surface of the cotton fabric, S2.nanometer protein material diffusing into the cotton fabric, S3.nanometer protein material cross-linking with the cotton fabric. The solution and the dealing technique used in each step are all different. The function textile with nanometer compound structure obtained by the method has improved crease resistance. The tear strength of the function textile does not decrease and the content of formaldehyde does not increase. Furthermore the producing technique meets the requirement to be friendly to the environment.

Marshalling dynamic de-marshalling method and equipment for train virtual marshalling and medium

The invention relates to a marshalling dynamic de-marshalling method, marshalling dynamic de-marshalling equipment and a medium for virtual marshalling of a train, and the method realizes non-stop switching from a virtual marshalling operation state to a moving blocking operation state. Smooth transition from relative distance braking curve vehicle control to absolute braking distance curve vehicle control is achieved. Compared with the prior art, the method has the advantages that both efficiency and safety are taken into account in the decompiling process.

BLOCKCHAIN TECHNOLOGY-BASED INTERNET-OF-THINGS COMMUNICATION SYSTEM

Disclosed in the present utility model is a blockchain technology-based Internet-of-things communication system, comprising a square base. A hollow boss is fixedly mounted at the upper portion of the square base, and four mounting holes are symmetrically formed at four corners of the square base; a stabilized voltage supply and an alarm are fixedly mounted inside the hollow boss; an antitheft base is fixedly mounted at the bottom inside the square housing; connection terminals of the alarm are connected to a positive electrode and a negative electrode of the stabilized voltage supply by means of wires. According to the present utility model, mounting is facilitated, the operation is stable, an antitheft function is provided, stable network connection of a device which performs communications by means of the communication server body in an Internet of things is effectively ensured, and even during a sudden power outage, the communication server body can still work normally, so that loss ...

High-speed rail equipment fault early warning method and system

The invention discloses a high-speed rail equipment fault early warning method and system, and relates to the field of data processing, and the method comprises the steps: obtaining a plurality of groups of wind speed monitoring sequence data; generating a plurality of wind speed difference degrees; obtaining wind speed prediction sequence data according to the wind speed prediction model; traversing the plurality of groups of wind speed monitoring sequence data to perform reliability evaluation, and generating a plurality of wind speed reliability; acquiring a plurality of wind speed monitoring discrete devices; and performing fault identification on the plurality of wind speed monitoring discrete devices of which the wind speed reliability is smaller than a reliability threshold, and generating first wind speed monitoring point fault device early warning information. The technical problem of low fault early warning quality of the wind speed monitoring equipment of the high-speed rail ...

Assist device for breast disease operation

The invention discloses an assist device for breast disease surgery in the field of medical instruments, which comprises a clothes body, and a first zipper is fixedly connected to the middle of the front side of the clothes body; through holes are formed in the chest positions of the clothes body, fixing straps are arranged below the through holes, and the tops and the bottoms of the fixing straps are sewn with the clothes body. Supporting plates are fixedly connected to the two sides of the clothes body, fixing rings are fixedly connected to the sides, away from the clothes body, of the supporting plates, and each fixing ring comprises a first ring body and a second ring body which are hollow. Dressing change is directly carried out on the surgical site of a patient through the through opening, and the possibility that a drainage tube is pulled when the coat body is put on or taken off is reduced to a certain extent; the forearms and the upper arms of a patient are limited to a certain ...

SYSTEM AND METHOD FOR IDENTIFYING PRODUCT INFORMATION

The present invention relates to a system for automatically identifying product information, comprising: a lamp information acquisition module, a controller, and a user terminal. The controller has therein a comparison table used for configuring different power supply information intervals for different lamp categories, and sends power supply information to be acquired to the lamp information acquisition module; the lamp information acquisition module acquires corresponding power supply information according to the received power supply information to be acquired, and sends the acquired power supply information to the controller; the controller further determines the category of a lamp according to the acquired power supply information corresponding to the lamp and the power supply information interval comparison table, and sends information of the lamp to the user terminal; the user terminal comprises a human-machine interface, and is used for displaying the information of the lamp on ...

Inclined paper embossing machine

The utility model discloses an oblique paper embossing machine which comprises a rack, a paper feeding device, an embossing device and a paper collecting device, the paper feeding device, the embossing device and the paper collecting device are all arranged on the rack, the paper collecting device comprises a paper collecting roller and a plurality of paper collecting guide wheels, the paper collecting roller is rotatably mounted on the rack, and the mounting frame comprises a mounting base and an adjusting block. The mounting base is mounted on the mounting rod, the adjusting block is mounted on the mounting base, a mounting groove is formed in the side, away from the mounting base, of the adjusting block, a long-strip-shaped mounting block is hinged to the groove wall of the inner side of the mounting groove, and the paper collecting guide wheel is rotatably fixed to one end of the mounting block. And an adjusting screw rod is rotatably connected to the groove bottom of the mounting groove ...

CHECK DEVICE, SYSTEM AND METHOD FOR DYNAMIC PROPERTIES OF SPEED OR ACCELERATION SENSOR

A check device, system and method for dynamic properties of a speed or acceleration sensor. The method includes: simultaneously performing signal collection on a displacement sensor (5) and a speed or acceleration sensor (4) moving synchronously to obtain a displacement signal, a first speed signal or a first acceleration signal; filtering the displacement signal, the first speed signal or the first acceleration signal; converting the filtered displacement signal to obtain a comparison signal and performing analysis and comparison based on the comparison signal and the filtered first speed signal or first acceleration signal so as to obtain a dynamic property analysis result of the speed or acceleration sensor. Therefore, the practicability and reliability of the check of the speed or acceleration sensor are ensured.

LIGHT SOURCE SUBSTRATE ASSEMBLY, LIGHT SOURCE MODULE, AND ILLUMINATION DEVICE

A light source substrate assembly, a light source module (100), and an illumination device. The light source substrate assembly comprises a power supply line (3), a first capacitor (23), and a light source substrate (4) disposed on a metal frame (1). One end of the first capacitor (23) is connected to the power supply line (3), and the other end of the first capacitor (23) is connected to the light source substrate (4). The light source substrate (4) is provided with a light source (41), a second capacitor (42), and a first conductive element (43) connected to the second capacitor (42). One end of the second capacitor (42) is connected to the first capacitor (23), and the other end of the second capacitor (42) is connected to the first conductive element (43). The first conductive element (43) is electrically connected to the metal frame (1) by means of a second conductive element (44). The light source substrate assembly is provided with the second capacitor (42) and enables same to connect ...

Rotation type road dust absorption cleaning device with adjustable go up and down

... 本实用新型公开了一种升降可调节的旋转式道路吸尘清洁装置，顶板固定安装在左支撑架和右支撑架之间的顶部，左调节气缸安装在顶板底部的左侧，右调节气缸安装在顶板底部的右侧，左调节气缸轴安装在左调节气缸内，右调节气缸轴安装在右调节气缸内，调节板固定在左调节气缸轴和右调节气缸轴的底部，旋转电机安装在调节板顶部的中央，旋转吸附轴安装在旋转电机内，所述的左吸尘管安装在左支撑架上，右吸尘管安装在右支撑架上，左吸尘管与左气管连通，右吸尘管与右气管连通，粉尘吸附筒设置在左支撑架和右支撑架之间。本实用新型其设计科学合理，结构组成简单，使用方便。 ...

Concentrated air conditioning system demand response method and system considering transaction control

The invention discloses a demand response method and system for a central air-conditioning system considering transaction control, and the method regulates and controls an indoor temperature set value in real time by comparing the real-time electricity price with the bidding electricity price, does not involve the market clearing price, and reduces the control complexity. Air conditioner users participate in electricity market transaction and electricity price competition through demand bidding so as to enhance power grid stability and achieve demand side energy saving. According to the method, a user thermal comfort setting module is designed, so that an air conditioner user actively participates in demand response according to personal willingness of the user instead of passively participating in the demand response, and meanwhile, personalized thermal comfort preferences of the user are respected. When the electricity price is low, the method precools or preheats the room by adjusting ...

Method and device for automatically switching from C0 level to CN level backup mode and medium

The invention relates to a method, equipment and medium for automatically switching from a C0 level to a CN level backup mode, and the method comprises the following steps: when a train runs in a conversion interval from the C0 level to the CN level, the connection with an RBC is interrupted or the connection with the RBC does not receive a driving permission, and sometimes, a positioning and electronic ground effect diagram is switched into a CN level backup mode; and according to grade conversion information, backup mode block authorization information and line data information pre-stored in a preset electronic map, automatically switching to a CN grade backup mode after passing through a grade conversion point. Compared with the prior art, the method has the advantages that the station trafficability and the line operation efficiency are greatly improved, and the like.

SAMPLE SET PROCESSING METHOD AND APPARATUS, AND SAMPLE QUERYING METHOD AND APPARATUS

The embodiments of the present description provide a method and an apparatus for performing classification and indexing on sample sets, and a method and an apparatus for querying similar samples. In the classification, two-level clustering is performed on the samples in a sample set, and clustering results are recorded in a first vector table and a second vector table. In the indexing, a two-level index is established for each sample in the sample set, a first-level index directs to a coarse clustering center to which the sample belongs, and a second-level index directs to a segment clustering center corresponding to a segment vector of the sample. In the process of querying similar samples, two-level retrieval is performed on the samples to be queried. In a first-level retrieval, a coarse clustering center closer to the samples to be queried is determined from the first vector table in the classification, and contrast samples that belong to the coarse cluster centers are acquired. In a ...

ILLUMINATION DEVICE FOR PASSENGERS

An illumination device for passengers comprises a substrate (1) for fixed mounting and a reading light source (10) disposed on the substrate (1). The illumination device for passengers further comprises at least one first light distribution unit and a light guide (26) integrated into the illumination device for passengers. Each first light distribution unit comprises a first scenario light source (22) independent of the reading light source (10) and at least one first light distribution curved-surface (24) facing the first scenario light source (22). The first light distribution curved-surface (24) guides light, emitted by the first scenario light source (22), to the light guide (26), such that the light guide (26) enables scenario lighting. In addition to providing passengers with functional lighting for reading, the illumination device for passengers achieves an improved integrated effect by adapting lighting to different user scenarios.

Road dust filter cleaning device

... 本实用新型公开一种道路粉尘过滤清洁装置，左粉尘吸附筒和右粉尘吸附筒的顶端固定安装顶板，粉尘过滤腔设置在左粉尘吸附筒和右粉尘吸附筒之间，粉尘过滤腔的顶部设置吸风筒，左粉尘吸附轴通过轴承安装在左粉尘吸附筒内，右粉尘吸附轴通过轴承安装在右粉尘吸附筒内，吸风轴安装在吸风筒内，左粉尘吸附轴的顶端安装左驱动带轮，右粉尘吸附轴的顶端安装右驱动带轮，吸风轴的顶端安装主动带轮，主动带轮安装在驱动电机上，粉尘过滤腔的左端安装左滤网，粉尘过滤腔的右端安装右滤网。本实用新型采用左粉尘吸附筒、右粉尘吸附筒的设计，利实现道路清洁中粉尘的吸附，其设计科学合理，结构简单，使用方便。 ...

ROV underwater high-precision attitude control method

The invention discloses an underwater high-precision attitude control method for an ROV (Remote Operated Vehicle). The method comprises the following steps: establishing a dynamic model, and performing attitude decoupling to obtain a control subsystem; designing a sliding-mode controller, inputting an expected attitude, and outputting an expected thrust control quantity to control a propeller group; force and torque are generated to control the ROV to move under external disturbance, and the actual posture is output and input into the sliding mode controller; an RBF disturbance estimation model is established, the actual depth, the heading angle and the pitch angle are input, estimated external disturbance is output and input into a sliding mode controller; and performing parameter self-correction to obtain a parameter identification result, feeding the parameter identification result back to the sliding mode controller, and controlling the propeller group to realize underwater attitude ...