Manufacturing method of large-thickness variable-curvature complex composite material fan blade

The invention discloses a manufacturing method of a large-thickness variable-curvature complex composite fan blade, which comprises the following steps of: paving a hard film in a tenon area of the fan blade, closing an upper die and a lower die, and curing in a tank; and aiming at the blade body area of the fan blade, firstly paving a soft film, then sealing a bag, and curing in a tank. A double-side hard mask mode is adopted for a tenon area, a single-side hard mask process is adopted for a blade body area, the fact that the single-side hard mask process method and the double-side hard mask process method are coupled in the manufacturing process of the composite material fan blade at the same time is proposed for the first time, it can be effectively guaranteed that the internal quality of a workpiece is optimal, the number of defects is minimum, and the thickness tolerance of the workpiece meets the design requirement; and meanwhile, the profile precision meets the pneumatic requirement ...

SEPARATED LENS AND CAMERA MODULE

A separated lens (10) and a camera module. The separated lens comprises: a first lens group (11) and a second lens group (12); the first lens group is fitted to the second lens group, the first lens group and the second lens group being calibrated and fitted, and there being a gap (20) between the first lens group and the second lens group for facilitating the calibration.

发令枪

Sample generation method and device, model training method and system and storage medium

The invention provides a sample generation method and device, a model training method and system and a storage medium, and relates to the technical field of machine learning. The sample generation method comprises the steps that a first answer sentence is obtained according to first sample data, the first sample data comprises a first text, a question and a first answer, and the first answer sentence is a sentence where the first answer is located in the first text; determining a second answer sentence according to a target word in the first answer sentence, an interference word corresponding to the target word and the first answer; a second text is determined according to the first text and the second answer sentence, an attack text is determined according to the disturbance capability of the second text to the model, and the second text comprises the first text and the second answer sentence; and acquiring confrontation attack sample data according to the attack text, the question and ...

Distribution cable withstand voltage test fault distance measuring device based on space electromagnetic field coupling

The invention discloses a distribution cable withstand voltage test fault distance measuring device based on space electromagnetic field coupling, and the device comprises a signal coupling module which is used for coupling a current traveling wave signal and a voltage traveling wave signal of withstand voltage test equipment; the signal conditioning module is used for carrying out amplification filtering and impedance matching on the traveling wave signal; the high-speed data acquisition module is used for acquiring the traveling wave signals processed by the signal conditioning module; and the main control unit is used for receiving a control parameter setting command of the data transmission module, controlling the signal processing operation of the signal conditioning module, controlling the data acquisition operation of the high-speed data acquisition unit and uploading data through the data transmission module. The device is not physically connected with voltage-withstanding test ...

TELESCOPIC MOBILE PHONE CASE

The present invention provides a mobile phone case, comprising a first body and a second body. The first body is provided with a slider, and the second body is provided with a slider groove; the slider is able to slide in the slider groove, so that the first and second bodies may slide with respect to each other to enable the first body to be buckled with the second body or opened, and the first body is buckled with the second body to form an accommodating cavity matching the appearance of a mobile phone. According to the present invention, the first body and the second body can slide with respect to each other to open or close the mobile phone case, so that the mobile phone case is kept in an open or closed state, and may not be fixed compared with a conventional metal mobile phone case; the mobile phone case does not need to be fixed and assembled by screws, and is simple to operate and convenient to use.

Method and device for acquiring test scheme of client and electronic equipment

The invention discloses a method and a device for acquiring a test scheme of a client and electronic equipment, and the method comprises the following steps: acquiring a client source code; determining a calling relation of a software development kit SDK of the client according to the client source code; obtaining the service content of the SDK according to the calling relation; according to the service content of the SDK, the test scheme of the client is determined, manual participation is not needed, the generation efficiency of the test scheme is improved, and the quality problem caused by incomplete evaluation of code influence factors is reduced.

Switch control device and steering wheel

The invention relates to a switch control device and a steering wheel. The switch control device comprises a touch panel and a display arranged below the touch panel, the touch panel comprises a display part made of a transparent or semitransparent material so that at least one part of the display can be seen through the display part, the touch panel comprises a touch panel and a touch sensor arranged below the touch panel, and the touch sensor is arranged below the touch panel. The touch panel comprises a covering part and a supporting part which are stacked in the longitudinal direction of the switch control device, the supporting part comprises a touch part and a thinning part, the touch part corresponds to the display part of the touch panel in position in the longitudinal direction of the switch control device, and the thinning part is arranged around the outer periphery of the touch part. And the thickness of the thinning part is smaller than that of the touch part, so that the touch ...

High-fall vertical shaft generatrix structure

The invention relates to a high-fall vertical shaft bus structure, which comprises a vertical section bus, and the vertical section bus is formed by connecting a plurality of vertical buses; and the vertical section generatrix is suspended in the vertical shaft. A traditional multi-point fixing and compensation installation mode is abandoned, and the vertical section bus is used as a whole and is hung and installed in the vertical shaft and at the bottom for centralized compensation, so that the influence of expansion caused by heat and contraction caused by cold of the vertical bus on the whole installation structure is effectively reduced.

Method for detecting vanillylmandelic acid and homovanillic acid in urine and application of method

The invention provides a method for detecting vanillylmandelic acid and homovanillic acid in urine and application of the method, and relates to the technical field of metabolite detection. The detection method comprises the following steps: detecting a pretreated to-be-detected sample by using high performance liquid chromatography, substituting a detection value into a standard curve, and calculating to obtain the content of vanillylmandelic acid and homovanillic acid in the urine sample, the pretreatment comprises the step of extracting a to-be-detected sample by using an extraction liquid containing an organic phase; and detecting the extracted sample to be detected by adopting high performance liquid chromatography. According to the detection method, the technical problems that in the prior art, the detection cost of vanillylmandelic acid and homovanillic acid in urine is high, and the detection method is complex are solved.

Photoelectric property prediction method and system based on random crack template

The invention discloses a photoelectric performance prediction method and system based on a random crack template, and the method comprises the steps: firstly carrying out the format conversion of a microscopic image, and carrying out the direct modeling simulation, and obtaining an electromagnetic shielding performance simulation result; then, according to the area size of the aperture unit, the long axis size and the short axis size, graphic data iterative fitting is carried out, full-wave electromagnetic simulation is carried out according to parameters of the metal mesh transparent conductive thin film to be prepared, and an electromagnetic shielding performance simulation result is obtained; and finally, averaging the two simulation results to obtain the predicted electromagnetic shielding performance. According to the method, the light transmission and electromagnetic shielding performance of the metal mesh transparent conductive film prepared based on the crack template can be quickly ...

Antineoplastic drug combined determination method, kit and application

The invention provides an anti-tumor drug combined determination method, a kit and application, and relates to the technical field of analytical chemistry, the anti-tumor drug combined determination method comprises the following steps: detecting a to-be-detected sample by using high performance liquid chromatography-tandem mass spectrometry, substituting a detection value into a calibration curve, and calculating to obtain the content of an anti-tumor drug in the sample. According to the determination method, an elution procedure and a chromatographic column of high performance liquid chromatography detection are optimized, and the problems that in the prior art, the separation effect between drugs is poor, the analysis time is long, and operation is complex are solved.

PIN-TYPE SINGLE-CYCLOID SPEED REDUCER

A pin-type single-cycloid speed reducer, comprising a casing (1), a crankshaft (2), an output end (3), an end cover (4), a cycloidal gear (5), several pins (6), several needle rollers (8), a first bearing (10), a second bearing (11), a ball bearing (13) and a third bearing (14). One end of the crankshaft (2) is sealingly connected to the output end (3) using the second bearing (11), and the other end is sealingly connected to the end cover (4) using the third bearing (14). The output end (3) is sealingly assembled to one side within the casing (1), and the end cover (4) is sealingly fixed to another side of the casing (1). An inner side surface of the first bearing (10) is mounted on the crankshaft (2), and an outer side surface is connected to the cycloidal gear (5). The cycloidal gear (5) is engaged with the several needle rollers (8) mounted in the casing (1), and the ball bearing (13) connects the inner side of the casing (1) to an outer circumferential surface of the output end (3) ...

Ignition coil with low internal stress

A low-internal-stress ignition coil comprises a shell, a coil assembly arranged in the shell and epoxy resin filled in the shell, the bottom of the shell protrudes downwards to form a high-voltage connecting end, the side wall of the shell protrudes outwards to form a low-voltage connecting end, and a C-shaped iron core of the coil assembly is wrapped with a buffer cover made of TPE materials. The side wall of the buffer cover integrally extends upwards in the shell so that the epoxy resin can be located in the space jointly limited by the shell and the buffer cover, and the buffer cover, the primary framework and the secondary framework are provided with stress buffer partition plates extending upwards in the shell so that the epoxy resin can be divided into units with different thicknesses near the high-voltage output end. The thermoplastic elastomer (TPE) of the C-shaped iron core is used for isolating the epoxy resin from being in contact with the iron core, and coil failure caused ...

Four-wheel planet vehicle

The invention provides a four-wheel planet vehicle and relates to the technical field of planet vehicles, the four-wheel planet vehicle comprises a vehicle body, wheels, a power mechanism and a transmission mechanism, the transmission mechanism comprises a first connecting rod, a second connecting rod, a connecting plate, a rotating shaft and a connecting rod, a through hole is formed in the vehicle body, and the rotating shaft penetrates through the through hole and is rotationally connected with the vehicle body; the first connecting rod, the second connecting rod and the connecting plate are arranged in the vehicle body, the middle of the first connecting rod is rotationally connected with the middle of the second connecting rod, and the two ends of the first connecting rod and the two ends of the second connecting rod are hinged to one end of the connecting plate. The power mechanism is arranged in the vehicle body and used for driving the first connecting rod and the second connecting ...

SPLIT ARRAY CAMERA MODULE, AND ASSEMBLY AND APPLICATION METHOD THEREFOR

Heat sink is assisted to numerical control panel piercing press

... 本实用新型的种数控板材冲孔机辅助降温装置，包括圆柱形的水箱，水箱顶部开口并且在开口处设置有支撑架，支撑架上设置有圆柱形的散热罩，散热罩的侧壁上设置有若干散热孔，散热罩上方连接有圆柱形的喷淋罩，喷淋罩顶部设置有纵横交错的喷淋管，喷淋管上设置有喷淋孔，喷淋管连接有进水管，水箱底部设置有出水管，出水管和进水管之间连接有循环换热管路。本实用新型的有益效果是：结构设计合理，操作简单，使用方便，能够通过喷淋增加水与空气之间的接触面积，有效降低水温，大大提高了对数控设备的降温的效果。 ...

Container adaptive division-based restrictive preemptive real-time task scheduling method

The invention discloses a restrictive preemptive real-time task scheduling method based on container adaptive division, and belongs to the technical field of processor task scheduling. The problem that resources cannot be effectively distributed due to the fact that an existing scheduling method for the real-time tasks of the multi-core processor cannot be adjusted according to the real-time change of the utilization rate of the processor is solved. Comprising the following steps of: setting a task utilization rate upper limit threshold value delta max and a task utilization rate lower limit threshold value delta min of the multi-core processor, and dynamically determining a processor grouping number of the multi-core processor according to a comparison result between the current task utilization rate and delta max and delta min; before each scheduling cycle starts, taking a task with the minimum criticality in the blocking queue of the processor group with the resource utilization rate ...

Painting wallpaper attaching device for arc-shaped wall surface

The invention discloses a paintable wallpaper fitting device for an arc-shaped wall surface, which comprises a fixed base, a rotating groove is formed in the fixed base, a rotating hole and a rotating assembly are formed in the top surface of the interior of the rotating groove, and the rotating assembly comprises a fixed disc. When the paintable wallpaper attaching device for the arc-shaped wall surface is used, a servo motor is started, an output shaft of the servo motor rotates, meanwhile, a supporting lead screw is driven to rotate, a lifting block is driven to ascend and descend, at the moment, the lifting block is lifted to the highest position, the initial end of wallpaper is scraped over the surface of a gauze brush cylinder, and then the wallpaper is brushed; the back surface of the wallpaper is uniformly brushed with glue, so that the back surface of the wallpaper is adhered while being brushed with the glue, the back surface of the wallpaper is effectively prevented from being ...

FP (Fabry-Perot) laser chip integrated with Peltier refrigeration and preparation method of FP laser chip

The invention provides an FP laser chip integrated with Peltier refrigeration and a preparation method thereof, and the laser chip is sequentially provided with a substrate layer, a lower limiting layer, a lower waveguide layer, a quantum well active layer, an upper waveguide layer, an upper limiting layer and a ridge waveguide layer from bottom to top in the epitaxial growth direction, and the two sides of the ridge waveguide layer are of step-shaped structures. An N-type semiconductor is arranged on the surface of the passivation layer above the step-shaped structure on one side, a P-type semiconductor is arranged on the surface of the passivation layer above the step-shaped structure on the other side, and metal electrodes are arranged on the surface of the passivation layer on the anode electrode, the upper surface of the N-type semiconductor and the upper surface of the P-type semiconductor. According to the invention, through the N-type semiconductor, the P-type semiconductor and ...

MULTI-GROUP LENS, CAMERA MODULE, AND ELECTRONIC DEVICE THEREOF

A multi-group lens (10), a camera module (100), and an electronic device (200) thereof. The multi-group lens (10) comprises: at least two group units (11 and 12). At least a first gap (15) is provided between the at least two adjacent group units (11 and 12) to complement the difference between the multi-group lens (10) and an optical design system, thus allowing the optical system of the multi-group lens to comply with the optical design system of the present invention.

Fuse machine and control method thereof

The invention provides a fuse machine and a control method thereof. The fuse machine comprises: a frame; the first hot melting mechanism is connected with the rack and is used for bearing an object to be subjected to hot melting; the second hot melting mechanism is connected with the rack, and a hot melting head module is mounted on the second hot melting mechanism; the hot melting head module comprises at least one hot melting head, and the hot melting head is used for carrying out hot melting operation on the object to be subjected to hot melting; and the control system is embedded in the rack, is electrically connected with the first hot melting mechanism, the second hot melting mechanism and the hot melting head module, and is used for enabling the object to be subjected to hot melting and the hot melting head module to reach a hot melting position and controlling the hot melting head module to perform hot melting operation on the object to be subjected to hot melting at the hot melting ...

CAMERA MODULE ADOPTING DETACHABLE LENS AND ASSEMBLY METHOD THEREOF

A camera module adopting detachable lenses and assembly method thereof. The camera module comprises an optical sensor device (20) and a lens device (10) comprising a plurality of lens components (101, 102, 103) comprising at least one lens (111, 112, 113, 114, 115) and at least one lens tube component (121, 122, 123). A diaphragm (13) is mounted on a top of the outermost lens component (101). The lens components (101, 102, 103) are pre-assembled on a sensing path of the optical sensor device (20). Comparing to a position of the optical sensor device (20), assembly positions of the plurality of lens components (101, 102, 103), the lenses (111, 112, 113, 114, 115), and/or the diaphragm (13) are more suitable for adjustment, reducing testing steps, decreasing costs, and ensuring increased image quality produced by the camera module.

PREPARATION METHOD FOR (2S,3R,4S)-2,3,4,5-TETRAHYDROXY-VALERALDEHYDE

Disclosed is a preparation method for (2S,3R,4S)-2,3,4,5-tetrahydroxy-valeraldehyde, which solves the problems in the prior art that reaction conditions are harsh, processes are complex, product yield is low, purity is not high, and industrialisation is difficult to implement. In the present invention, D-sorbitol is reacted with benzaldehyde in acidic conditions to produce 2,4-O-benzylidene-D-sorbitol, which is then reacted with an oxidizing agent to produce 2,4-O-benzylidene-L-xylose, which is then hydrolysed in acidic conditions to produce a (2S,3R,4S)-2,3,4,5-tetrahydroxy-valeraldehyde crude product, which is finally recrystallised to obtain (2S,3R,4S)-2,3,4,5-tetrahydroxy-valeraldehyde. The present invention has simple processes, easy operations, mild conditions, rapid reaction speeds, high product yield, high purity and low equipment investment, and is suitable for large-scale industrial production.

Wireless local area network data transmission system

The invention belongs to the technical field of wireless data transmission, and discloses a wireless local area network data transmission system, which comprises CPE (Customer Premise Equipment) and a plurality of APs (Access Points) in the same local area network, the CPE comprises two radio frequency units, the two radio frequency units establish two wireless connections with the two APs, the CPE does not switch the wireless connections of the two radio frequency units at the same time during roaming switching between the APs, and the two radio frequency units have a time interval during switching; and the CPE establishes two two-layer tunnels with a third AP in the plurality of APs, each inner-layer service data message is forwarded through the two tunnels at the same time, and each tunnel is bound with one wireless connection for data transmission. According to the wireless local area network data transmission system, the problem of packet loss when the wireless CPE in a wireless network ...

Medium-voltage fireproof cable for green building

The invention discloses a medium-voltage fireproof cable for a green building. The medium-voltage fireproof cable is composed of a conductor 1, a conductor shield 2, an XLPE insulator 3, an insulation shield 4, an argon arc copper strip shield 5, a stainless steel wire support 6, an argon arc welding copper pipe 7, magnesium oxide powder 8 and an argon arc welding copper pipe 9 from inside to outside in sequence. The product performance of the cable meets the fire resistance of 950-1000 DEG C and 180 min, cooling water can be added between 5 and 7 when a fire occurs, it is guaranteed that the external temperature of insulation shielding does not exceed 100 DEG C when the fire occurs, an insulation wire core can be normally used after the fire occurs, meanwhile, 7, 8 and 9 structures are not affected by the fire and can be normally used after the fire occurs, and the service life of the cable is prolonged. The whole cable can be reused after being subjected to a fire, and the medium-voltage ...

INCLINATION MEASUREMENT SYSTEM FOR PHOTOGRAPHING MODULE AND MEASUREMENT METHOD

Provided are an inclination measurement system for a photographing module and a measurement method thereof. The system comprises a target, a light source and an object distance simulation optical structure. The light source is used to illuminate the target. The target is photographed by a measured photographing module. The object distance simulation optical structure simulates an object distance of the target. By simulating a change in the object distance between the target and the measured photographing module within a predetermined range, inclination calculation for the measured photographing module can be realized.

INTEGRAL PACKAGING PROCESS-BASED CAMERA MODULE, INTEGRAL BASE COMPONENT OF SAME, AND MANUFACTURING METHOD THEREFOR

A camera module, an integral base component of same, and a manufacturing method therefor. The camera module comprises: at least one lens, at least one photosensitive chip, at least one filter, and at least one integral base component. The integral base component comprises a base part and a circuit board part. The base part is integrally packaged in the circuit board part. The photosensitive chip is mounted on the circuit board part. The base part forms at least one through hole so as to provide the photosensitive chip with a light path. The lens is arranged on the light path of the photosensitive chip.

SOAP FOR SUSTAINED USE

A soap for sustained use (ABC, ABCH, D1ABCH, DABCH, ABCAC, D1ABCAC, D2ABCAC, DABCAC), wherein a cleaning material of the soap is set to be of a shape that allows sustained use and has a structure for assembly; and a grasp shield (D1), an anti-sticking film (D2) and an appropriate soap box (E) are manufactured using a non-cleaning material not dissolving in water, so that the problem of soap scraps (H1, H2, AC, DAC, D1AC, D2AC) being produced during the process of using soap can be eliminated, allowing the soap to have a better non-sticking, non-melting usage condition throughout the process of being used.

CORRECTION DEVICE FOR CAMERA MODULE OPTICAL IMAGE STABILIZER SYSTEM AND CORRECTION METHOD THEREFOR

A correction device for a camera module optical image stabilizer system and a method therefor. According to the method, a standard CTF plate is used to perform an MTF test, a parameter of an optical image stabilizer system is selected and obtained by balancing MTF resolution levels of a central view field and an edge field, and then an SFR test or a DB test can be used to evaluate an image stabilizer performance of the optical image stabilizer system. In this way, on the condition that the central resolution satisfies requirements, edge resolution is improved and edge image blurring phenomena are reduced, thereby balancing the overall picture quality of an image.

Air-cooled micro-reactor bent pipe type main pipeline and air-cooled micro-reactor power generation system with air-cooled micro-reactor bent pipe type main pipeline

The invention relates to the technical field of nuclear power station pipelines, in particular to an air-cooled micro-reactor bent pipe type main pipeline and an air-cooled micro-reactor power generation system with the air-cooled micro-reactor bent pipe type main pipeline. The air-cooled micro-reactor bent pipe type main pipeline comprises an inner-layer pipeline which is in a bent pipe form and is provided with at least one bend, and the axes of openings in the two ends of the inner-layer pipeline are not collinear; the outer-layer pipeline is arranged outside the inner-layer pipeline in a sleeving manner, and the outer-layer pipeline extends along the inner-layer pipeline; and the irradiation shielding assembly is mounted on the outer wall of the outer-layer pipeline, and the irradiation shielding assembly is arranged directly facing a connecting port of the inner-layer pipeline and the air-cooled micro-reactor body. The inner-layer pipeline is provided with a bend, so that the axes ...

Rubber tube fatigue test device

The invention relates to the technical field of mechanical test tools, in particular to a rubber tube fatigue test device which comprises a support, a pressurization assembly, a pulley assembly and a power assembly, the pressurization assembly is installed on the support, and the pressurization assembly is provided with a rubber tube connector; the pulley assembly comprises a first pulley, a first balance weight part and a first sliding rail which is vertically arranged, the first sliding rail is fixed on a support, the first pulley and the first balance weight part are both slidably connected to the first sliding rail, and the first balance weight part is provided with a rubber tube fixing part; the power assembly is connected with the first pulley and can drive the first pulley to slide on the first sliding rail. According to the technical scheme, the tensile force is applied to the rubber tube through the first balance weight piece, the mass of the first balance weight piece is determined ...

MOBILE TERMINAL AND SPECIFIC ABSORPTION RATE REDUCTION METHOD

A mobile terminal and a specific absorption rate reduction method. The mobile terminal comprises an input unit, a control unit, a memory, a switch, an antenna group and a radio-frequency circuit, wherein the control unit is connected to the input unit, the memory and the switch, the antenna group contains a plurality of antennas, and the switch is connected to each antenna and the radio-frequency circuit; the input unit is set to detect the location of the mobile terminal with respect to a user, and notify the control unit of the location obtained by the detection; the memory is set to store location-specific absorption rate correlation information about each antenna; and the control unit is set to search for the specific absorption rate of each antenna in the antenna group at the location obtained by the detection from the location-specific absorption rate correlation information about each antenna stored in the memory according to the location obtained by the detection of the input unit ...

Protective safety device used on ship

The invention provides a protection type safety device for a ship, and relates to the technical field of ship protection, the protection type safety device comprises a protection frame, the two sides of the top of the protection frame are of vertical plate structures, and a rubber layer is attached to the front side face of the protection frame; five sets of L-shaped vertical frames are integrally arranged on the rear side of the top of the protection frame, and the top ends of the L-shaped vertical frames are bent forwards. According to the blocking plate of each embodiment of the invention, the protection effect capable of being rapidly and automatically triggered is provided, when window glass is damaged, water enters a ship room and penetrates through a trigger to start a transmission motor, the transmission motor drives a driven shaft to rotate and a pull wire is rapidly wound, then the blocking plate is dragged to descend, and the blocking plate is used for blocking and sealing the ...

ARRAY CAMERA MODULE, MOLDED PHOTOSENSITIVE COMPONENT AND CIRCUIT BOARD COMPONENT OF SAME, MANUFACTURING METHOD THEREFOR, AND ELECTRONIC DEVICE

Provided in the present application are an array camera module, a molded photosensitive component and a circuit board component of same, a manufacturing method therefor, and an electronic device. The array camera module comprises at least two optical lenses and the molded photosensitive component. The molded photosensitive component further comprises: at least two photosensitive elements, a circuit board, and a molded base. The photosensitive elements respectively are conductively connected to the circuit board. The molded base is provided with at least two light windows, and the molded base is integrally combined with an edge area of the circuit board, thus allowing the photosensitive elements to correspond respectively to the light windows, where the light windows respectively are provided on a light-sensing path of the photosensitive elements, and thus providing each of the photosensitive elements and each of the optical lenses with a light path via the corresponding light windows.

RETRACTABLE MOBILE PHONE CASE

The present invention provides a retractable mobile phone case, comprising a first body and a second body, a slider and a first magnetic portion being provided on the first body, and a sliding groove and a second magnetic portion being provided on the second body. The slider is able to slide in the sliding groove, thereby causing a relative sliding between the first body and the second body to make the first body buckle with the second body or open, and the first body buckles with the second body to form an accommodating cavity adapted to the outline shape of a mobile phone, and the first magnetic portion and the second magnetic portion are attracted to each other. The first body and the second body of the present invention are able to slide away from or toward each other to open or close the retractable mobile phone case, and the fixation and stabilization of the first body and the second body is caused by the attraction between the first magnetic portion and the second magnetic portion ...

RESOLUTION TESTING METHOD AND RESOLUTION TESTING DEVICE

A resolution testing method comprises the following steps: (A) acquiring at least one image; (B) identifying at least one test area; (C) denoising; and (D) calculating a resolution value. The resolution testing method is simple and easy to operate due to self-adaptive rotation angle adjustment, self-adaptive image enhancement processing and targeted local denoising, and has a higher operation efficiency, thereby being suitable for being used in batches on a production line.

ARRAY CAMERA MODULE, MOULDED PHOTOSENSITIVE ASSEMBLY AND MANUFACTURING METHOD THEREFOR, AND ELECTRONIC DEVICE

Disclosed are an array camera module and a moulded photosensitive assembly and manufacturing method therefor, and an electronic device, wherein the moulded photosensitive assembly comprises at least one support element, at least one circuit board, at least two photosensitive elements, at least two sets of leads and a moulding base. Each photosensitive element is respectively mounted on a chip mounting area of each circuit board; and two ends of each set of the leads are respectively connected to a chip connector of each photosensitive element and a circuit board connector of each circuit board. The moulded base comprises a moulded body and has at least two light windows; when the moulded body is formed, the support element protects the leads, the circuit board and the photosensitive elements; after the moulded body is formed, the moulded body is at least integrally bonded to a part of each circuit board; and a photosensitive area of each photosensitive element respectively corresponds to ...

Special high voltage power transmission tower's steel pipe and ring flange welding correcting unit

... 本实用新型的种特高压输电铁塔的钢管和法兰盘焊接校正装置，包括钢管旋转支架，钢管旋转支架侧设置有定位对接机构，定位对接机构包括底座，底座上设置有可左右平移的立柱，立柱上连接有竖直的定位圆盘，定位圆盘朝向钢管支架的侧面上设置有法兰盘锁紧机构，法兰盘锁紧机构包括定位销轴和嵌入在定位圆盘侧面上的电磁铁；定位圆盘与钢管传送架之间的底座上设置有升降托架，所述升降托架上设置有钢管旋转机构。本实用新型的有益效果是：大大提升了工作人员的生产效率，具有操作方便、结构简单、生产成本低且便于实施和推广的优点。 ...

LENS MODULE AND CAPTURING MODULE INTEGRATING FOCUSING MECHANISM AND ASSEMBLY METHOD THEREFOR

A lens module and a capturing module integrating a focusing mechanism and an assembly method therefor. A lens module (1010) comprises at least one optical lens (1011), a focusing mechanism (1012), and a supporting structure component (1013). Each optical lens (1011) is mounted in an accommodating cavity of the supporting structure component (1013) in a height direction of the supporting structure component (1013). The supporting structure component (1013) is connected inside of the focusing mechanism (1012) as a carrier of the focusing mechanism (1012). The supporting structure component (1013) moves as the focusing mechanism (1012) is powered, and is thereby suitable for focusing. By replacing a carrier and a lens cone of a conventional focusing mechanism with the supporting structure component (1013), an overall assembly process is simplified, the yield and quality of a module are improved, and the manufacturing costs are reduced.

Laser chip with depletion type current non-injection layer and preparation method thereof

The invention provides a laser chip with a depletion type current non-injection layer, and the laser chip sequentially comprises a cathode electrode, a substrate layer, a lower limiting layer, a lower waveguide layer, a quantum well active layer, an upper waveguide layer, an upper limiting layer, a ridge waveguide layer, an anode electrode and a third electrode in the epitaxial growth direction. An anode electrode is arranged above the ridge waveguide, the front end face of the ridge waveguide layer is recessed to form a step-shaped structure, a current non-injection layer is arranged on the step-shaped structure, a third electrode grows above the current non-injection layer, and preset angles are formed between the side faces and the front end faces of the upper waveguide layer and the upper limiting layer in the two side directions of the current non-injection layer. According to the scheme, the upper limiting layer and the upper waveguide layer on the two sides of the current non-injection ...

FOLDING SLIDE STEER LOADER WORKING DEVICE

A folding slide steer loader working device, comprising a quick change device (1), a tipper-hopper fuel tank (2), mobile arms (3), a mobile arm fuel tank (4) and a frame (5); the mobile arms (3) are respectively hinged to the quick change device (1) and the frame (5), one end of the tipper-hopper fuel tank (2) is hinged to the quick change device (1), and the other end thereof is hinged to the mobile arms (3); one end of the mobile arm fuel tank (4) is hinged to the mobile arms (3), and the other end thereof is hinged to the frame (5), the mobile arms (3) respectively comprise a main mobile arm (31) and a folding mobile arm (32) which are hinged to each other; a folding fuel tank (7) is arranged between and hinged to the main mobile arm (31) and the folding mobile arm (32), and a reinforcing member (8) which does not interfere with a cab is provided between the main mobile arms (31) of the left and right mobile arms (3).

Drainage device

The drainage device comprises a connector structure, a collecting piece and a drainage assembly, and the connector structure is suitable for being detachably communicated with the outlet side of a process pipeline; the collecting piece is provided with at least one connecting port and a containing cavity communicating with the connecting port, the containing cavity is suitable for containing waste media, and the connecting port is suitable for being connected with the connector structure; the drainage assembly comprises a first switch piece and a drainage piece, one end of the drainage piece is communicated with the first circulation opening side of the collection piece, the other end of the drainage piece is suitable for being connected with a drainage floor drain, and the first switch piece is arranged on the drainage piece and suitable for controlling on-off of the drainage piece; the drainage device has a storage state that the first switch part is disconnected and the collecting part ...

Mineral resource classification prediction method and system based on multi-source small sample joint learning

The invention discloses a mineral resource classification prediction method and system based on multi-source small sample joint learning. The method comprises the following steps: preprocessing and constructing a meta-training task; establishing an abnormal sample mining module for collaborative adversarial training of a hidden space feature level and a sample level; training an abnormal sample mining module and performing sample generation to obtain a high abnormal sample; establishing a feature joint embedding module to obtain an initial class prototype, and randomly selecting high abnormal samples for fine tuning to obtain a final class prototype; and predicting the target task through the iterative training network of the meta-training task. According to the method, the quality of the generated sample and the performance of the sample generator can be effectively improved, so that the model can fully mine the deep features of the multi-element geophysical and chemical data, and the ...

ADJUSTABLE OPTICAL LENS AND CAMERA MODULE, MANUFACTURING METHOD AND APPLICATIONS THEREOF

An adjustable optical lens (1010, 2010) and camera module, and manufacturing method and applications thereof. The imaging module comprises a photosensitive chip (1021, 2021) and an adjustable optical lens (1010, 2010). Said adjustable optical lens (1010, 2010) comprises an optical structure (1013, 2013) and at least two optical lens elements (1011, 2011); each of said optical lens elements (1011, 2011) is arranged in the interior space of the optical structure (1013, 2013), along the height of the structure (1013, 2013); at least one optical lens element (1011, 2011) is adapted to be adjustably pre-mounted to the interior of the optical structure (1013, 2013). The side wall of the optical structure (1013, 2013) is provided with at least one adjustment channel (10131, 20131), said channel (10131, 20131) corresponding to the pre-mounted optical lens element (1011, 2011), so that the position of said lens element (1011, 2011) can be adjusted by means of the adjustment channel (10131, 20131 ...

OPERATION AUTHORIZATION METHOD AND DEVICE

The present disclosure relates to the field of network security, and disclosed are an operation authorization method and device. The method comprises: acquiring action data gathered by a wearable device; detecting whether the action data matches an authentication physical action; and if the action data matches the authentication physical action, authorizing execution of a predetermined operation corresponding to the authentication physical action. The present disclosure authenticates a user identity via the action data gathered by the wearable device, thus solving problems of complex acquiring operation of a dynamic authorization code in a message manner and the possibility of code leak, simplifying the authorization authentication process, and accomplishing authorized execution of the predetermined operation via the wearable device, such that user property and privacy are effectively protected, and security of user using mobile internet is improved.

Cantilever type welding machine

... 本实用新型的种悬臂式焊机，包括悬臂，悬臂包括上支撑臂、中支撑臂和下支撑臂，上支撑臂端设置有固定板，上支撑臂另端与中支撑臂上端转动连接，下支撑臂下端设置有焊机，下支撑臂上端与中支撑臂的下端可拆卸连接。本实用新型的有益效果是：悬臂安装在工厂立柱上，可进行不同方向旋转，避免移动的过程中电缆出现接触不良的安全隐患，能快速灵活的移动，方便焊工工作，增加了焊工工作的自由度，大大提高了焊接工作人员的工作效率。 ...

Text analysis method and device and storage medium

The invention provides a text analysis method and device and a storage medium, and relates to the technical field of artificial intelligence. The text analysis method comprises the steps of determining a first evaluation value of a to-be-analyzed text based on a pre-trained text evaluation model according to the to-be-analyzed text and a corresponding reference text; correcting a first type of errors in the to-be-analyzed text, obtaining a corrected text, and determining a second evaluation value of the corrected text; and determining an evaluation result of the to-be-analyzed text according to the first evaluation value and the second evaluation value. Through the method, the accuracy and the objectivity of automatic text evaluation are improved.

Power equipment defect identification method and system based on knowledge graph and multivariate image

The invention provides a power equipment defect identification method and system based on a knowledge graph and a multivariate image, and relates to the technical field of power equipment image identification, and the method comprises the steps: obtaining a plurality of inspection images of power equipment; performing power equipment character attribute identification and power equipment defect identification on the inspection image to obtain power equipment text data and a power equipment classification result with a defect label; formulating a first defect image label and a second attribute text label; associating the first defect image label with the second attribute text label, using the second attribute text label and the first defect image label to construct a multi-modal knowledge graph containing the electrical equipment triple and the image and text label knowledge of each entity, and performing knowledge representation on image and text multi-source heterogeneous data to obtain ...

INTEGRATED JOINT MODULE FOR COMPACT ROBOT AND COMPACT ROBOT

Disclosed are an integrated joint module for a compact robot and a compact robot. The integrated joint module comprises a single cycloidal pin-wheel speed reducer (1), a housing (2), a shaft (3), an electromagnetic actuator (4), a movable pin (5), an integrated circuit module (6), an end cover (7), a cable sheath (8), a claw brake disc (9), a cable (10), a photoelectric encoder reading head (11), a photoelectric encoding disc (12), an electric motor stator (13) and an electric motor rotor (14), wherein the single cycloidal pin-wheel speed reducer (1) is fixed to a front end of the housing (2), the electric motor stator (13) is fixed in the housing (2), and the electric motor rotor (14) is fixedly connected to the shaft (3); a front end of the shaft (3) is fixedly connected to an input end of the single cycloidal pin-wheel speed reducer (1), and a rear end of the shaft (3) is sequentially fixedly connected to the photoelectric encoding disc (12) and a brake device; the photoelectric encoder ...

MOBILE TERMINAL AND SPECIFIC ABSORPTION RATE REDUCTION METHOD

A mobile terminal and a specific absorption rate reduction method. The mobile terminal comprises an input unit, a control unit, a memory, a switch, an antenna group and a radio-frequency circuit, wherein the control unit is connected to the input unit, the memory and the switch, the antenna group contains a plurality of antennas, and the switch is connected to each antenna and the radio-frequency circuit; the input unit is set to detect the location of the mobile terminal with respect to a user, and notify the control unit of the location obtained by the detection; the memory is set to store location-specific absorption rate correlation information about each antenna; and the control unit is set to search for the specific absorption rate of each antenna in the antenna group at the location obtained by the detection from the location-specific absorption rate correlation information about each antenna stored in the memory according to the location obtained by the detection of the input unit ...

Steel pipe fluting device

... 本实用新型的种钢管开槽装置，包括纵向延伸的切割支撑架，切割支撑架顶部两端设置有两个纵向平移机构，纵向平移机构上设置有横向平移机构，横向平移机构上设置有等离子切割机；切割支撑架侧设置有与切割支撑架相平行的滑轨，滑轨上滑动设置有两个支撑座，支撑座上设置有限位立板，限位立板顶部开有V形的限位缺口。本实用新型的有益效果是：切割精度高，效率快，确保了钢管两端开槽口在同水平面上，两端各截面上开若干个槽口其同心度容易控制。 ...

SPLIT LENS AND CAMERA MODULE AND ELECTRONIC APPARATUS

A split lens and camera module and electronic apparatus. The split lens comprises: a first group of lenses (10), comprising a first set of lenses (11); a second group of lenses (20), comprising a second set of lenses (21); and at least one light shielding component (32); wherein the light shielding component (32) is stably disposed between a lens (113) of the first group of lenses (10) located at the bottom thereof and a lens (211) of the second group of lenses (20) located at the top thereof, so as to form a predetermined light path between the first group of lenses (10) and the second group of lenses (20), thereby conforming to the structure of the split lens.

Structure of laser with PN junction non-injection layer and preparation method thereof

The invention provides a laser structure with a PN junction non-injection layer and a preparation method of the laser structure. The structure sequentially comprises a substrate layer, a lower limiting layer, a lower waveguide layer, a quantum well active layer, an upper waveguide layer, an upper limiting layer, a current non-injection layer and a ridge waveguide in the epitaxial growth direction. According to the structure, an N-type semiconductor material is grown on an epitaxial wafer in a secondary epitaxial mode to serve as a current non-injection layer, so that a section of PN junction is introduced near the front end face of the ridge waveguide, and current is prevented from being injected into a cavity face. The refractive indexes of the material in the light propagation direction are ensured to be the same, and the optical scattering loss increased due to the introduction of a current non-injection region is reduced; the concentration of carriers at the cavity surface is reduced ...

CAMERA MODULE, ELECTRICAL SUPPORT THEREOF, AND ASSEMBLING METHOD THEREFOR

A camera module, an electrical support thereof, and an assembling method therefor. The camera module comprises an optical lens, a photosensitive chip, and an electrical support. The electrical support not only has the functions of a traditional circuit board, for example, electric signal conduction of electronic devices such as a chip and a motor, but also has the function of a traditional base supporting a light filter and serving as a motor base support, thereby being compact in structure, and reducing the size of the camera module.

Method and device for prompting abnormity of timing message

The invention provides a timing message abnormity prompting method and device, which is applied to a first client device of a communication application, and comprises the following steps: obtaining a timing message sending task which defines a target session, a target time point and target content, the timing message sending task is used for indicating the communication application to send the target content for the target session at the target time point by taking a home terminal user corresponding to the first client device as a sender; and before the target time point arrives, if it is judged that the timing message sending task cannot be executed, sending a corresponding prompt message to the home terminal user.

METHOD AND APPARATUS FOR ACQUIRING APPLICATION UPGRADE PACKAGE

Disclosed are a method and apparatus for acquiring an application upgrade package, falling within the technical field of networks. The method comprises: decompressing a first installation package and a second installation package of an application to obtain at least one original file and at least one target file, wherein the version of the first installation package is lower than the version of the second installation package; determining a file type of each of the files; according to the file type of each of the files, performing differential processing, corresponding to the file type, on the at least one original file and the at least one target file to obtain at least one differential file; and compressing the at least one differential file to obtain a differential upgrade package of the application. According to the present disclosure, the differential upgrade package has a smaller amount of data, and the consumption traffic required when upgrading an application can further be reduced ...

Combined heat and power generation system based on nuclear energy and solar energy and heating net

The invention discloses a combined heat and power generation system and heating network based on nuclear energy and solar energy, and the system comprises a nuclear energy heat supply device which is connected with a heat station heat exchange device and supplies heat by converting nuclear energy into heat energy; the solar heat supply device is connected with the heating station heat exchange device, and the solar heat supply device absorbs solar energy and converts the solar energy into heat energy to supply heat; the nuclear energy heat supply device and the solar heat supply device are matched with each other to exchange heat with the heat station heat exchange device, and the heat station heat exchange device is used for supplying heat to the user side. According to the combined heat and power generation system based on the nuclear energy and the solar energy and the heating net, combined heat and power generation is carried out on the nuclear energy and the solar energy, energy storage ...

Liquid chromatograph

The invention discloses a liquid chromatograph and relates to the technical field of detection instruments. The liquid chromatograph comprises a solvent management device, an infusion driving device, a sampling device, a valve group device, a chromatographic separation device and a detection device which are connected in sequence, the chromatographic separation device comprises a plurality of chromatographic columns; the infusion driving device can drive a sample in the solvent management device to sequentially pass through the sample introduction device, the valve group device and the chromatographic separation device, and is conveyed to the detection device; the valve group device is provided with different working positions, so that a sample from the sample feeding device is loaded into one or more chromatographic columns in the chromatographic separation device to be separated. The invention aims to provide the liquid chromatograph so as to solve the technical problem in the prior art ...

Breathable wall cloth and preparation method thereof

The invention discloses breathable wall cloth and a preparation method, relates to the technical field of wall cloth manufacturing processes, and provides the following scheme that the breathable wall cloth comprises a wall cloth layer and a plurality of glue grooves formed in the back face of the wall cloth layer at equal intervals. The surface layer produced by a hot rolling method has the characteristics that the surface layer is rich in elasticity, not easy to break, free of aging of fibers, free of allergy and irritation to skin and the like, and is convenient to paste; meanwhile, glass fibers and quartz sand are combined in an electric melting mode in preparation of the base layer, so that the silk yarn prepared from the raw materials has the advantages of being resistant to corrosion, resistant to moisture, free of mildewing and high in strength, and therefore the surface layer can be supported; and finally, the traditional wall cloth laminating process is improved, and a gap is ...

Answer simulation and test question recommendation method and device, electronic equipment and storage medium

The invention provides an answer simulation and test question recommendation method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining historical answer data of a to-be-simulated student; generating recommended test questions corresponding to the historical answer data based on a generator; based on a discriminator, evaluating the answering ability corresponding to the recommended test question, and determining a prediction score of the recommended test question under the answering ability; the generator and the discriminator are obtained by performing confrontation training based on sample answer data of sample students. According to the method, the device, the electronic equipment and the storage medium provided by the invention, the authenticity of the recommended test questions generated by the generator and the accuracy of the predicted scores of the recommended test questions determined by the discriminator are ensured, and the student ...

Pick -up module

... 本实用新型公开了摄像模组，其包括感光芯片，光学镜头以及支架，所述支架具有芯片连接区域和通光孔，所述通光孔连通所述支架的两个侧面，所述芯片连接区域被设于所述支架的其中个侧面，其中所述感光芯片被贴装于所述支架的个侧面和被连接于设于该侧面的所述芯片连接区域，所述光学镜头被设置于所述支架的另个侧面，并且所述光学镜头位于所述感光芯片的感光路径。通过上述这样的方式，所述摄像模组的尺寸能够大幅度的降低，以使所述摄像模组能够被应用于追求轻薄化的电子设备。另外，所述摄像模组的制造工艺也被简化，以提高所述摄像模组的生产效率和保证所述摄像模组的品质。 ...

Telephone with pre-stored number changed by external module and method for changing pre-stored number

The invention discloses a telephone capable of changing a pre-stored number by using an external module and a method for changing the pre-stored number, belongs to the technical field of internal multiplexing communication of telephones, and aims to solve the problem of changing the number by an emergency key in the later period of a wall telephone by combining a main control CPU (Central Processing Unit) of the wall telephone, an eeprom circuit, a protection circuit, a programming CPU circuit, a new programming mode and the like. The problem of changing the number by the emergency key in the later period of the wall phone is well solved, only a four-core socket interface needs to be reserved, production is facilitated, later-period changing can be achieved, data encryption is conducted, people who do not know passwords cannot change the number, meanwhile, a protection circuit is additionally arranged, damage caused by the fact that the external voltage is higher than the circuit voltage ...

Translation model determination method and device and storage medium

The invention provides a translation model determination method and device and a storage medium, and relates to the field of computers. According to the embodiment of the invention, the randomly initialized translation model is aligned to the pre-trained translation model to obtain the aligned randomly initialized translation model, the aligned randomly initialized translation model and the pre-trained translation model are fused to obtain the fused translation model, and the final translation model is obtained based on the fused translation model. Therefore, through model fusion, the advantages of the translation model trained by the pre-training parameter initialization method and the random parameter initialization method are effectively combined, meanwhile, the translation effect and generalization of the translation model are improved, and the translation efficiency of the translation model in a translation task of a high-resource scene is improved. The problems that a translation ...

Nuclear power plant internal flooding analysis method and device, and equipment arrangement method and system

The invention discloses a nuclear power plant internal flooding analysis method and device, and an equipment arrangement method and system. According to the flooding analysis method, a flooding source is selected according to the distribution condition of important equipment in a nuclear power plant, and flooding source information is determined. And discretely simulating the water logging source into a plurality of moving particles according to the water logging source information. A three-dimensional model of a nuclear power plant is obtained, and the three-dimensional model is pre-processed to generate a water-flooded partition boundary condition. And setting solver control parameters. And according to the flooding source information, the flooding partition boundary conditions and the solver control parameters, performing flooding simulation calculation of moving particles on the nuclear power plant to obtain the flooding accumulation height in the nuclear power plant. The flooding analysis ...

Portable electromagnetic and acoustic signal shielding device

The invention provides a portable electromagnetic and acoustic signal shielding device. According to the technical scheme, the device is a closed shell with an opening, the closed shell is made of two layers of materials, one layer of materials is a sound-absorbing/sound-insulating material, and the other layer of materials is a conductive/wave-absorbing material. The device can shield electromagnetic signals and sound signals at the same time, and has the advantages of being easy to place and use.

Blood sample antiepileptic drug detection method and kit

The invention provides a blood sample antiepileptic drug detection method and a kit, and relates to the technical field of drug detection. The anti-epileptic drugs detected by the detection method comprise carbamazepine, epoxy carbamazepine, oxcarbazepine, 10, 11-dihydro-10-hydroxy carbamazepine, phenytoin sodium, lamotrigine, levetiracetam, pregabalin, gabapentin, topiramate, valproic acid, phenobarbital and lacosamide. The detection method comprises the following steps: detecting a pretreated to-be-detected sample by using high performance liquid chromatography-tandem mass spectrometry, substituting a detection value into a standard curve, and calculating to obtain the content of the anti-epileptic drugs in the blood sample, the pretreatment comprises the step of treating a to-be-detected sample by adopting a precipitant, the precipitant contains an internal standard, and the internal standard is an isotope of an anti-epileptic drug. The detection method has the advantages of rapidness ...

Cold and heat combined supply method and system based on nuclear energy combined heat pump

The invention discloses a combined cooling and heating method based on nuclear energy combined with a heat pump, which comprises the following steps: in the electricity consumption trough period of a heating season, a steam turbine in a nuclear power plant is used for extracting steam and exchanging heat to prepare a high-temperature heating medium for heating; and in the electricity consumption off-peak period of the cold supply season, the off-peak electricity of the nuclear power plant is utilized, and a low-temperature cold supply medium is prepared through the heat pump unit for cold supply. The invention further discloses a combined cooling and heating system based on the nuclear energy combined heat pump. Nuclear energy can be fully utilized, heating and cooling are achieved, and the energy utilization efficiency is improved.

Suspension structure and manned planet vehicle

The invention provides a suspension structure and a manned planet vehicle. The suspension structure comprises double fork arms, a steering knuckle, a middle connecting structure, a first damping driving mechanism and a second damping driving mechanism. One end of the double-fork arm is connected with the steering knuckle, the other end of the double-fork arm is used for being connected with a frame through a middle connecting structure, the double-fork arm has an up-and-down swing freedom degree relative to the frame, and the middle connecting structure has a front-and-back rotation freedom degree relative to the frame; the first damping driving mechanism is connected with the double fork arms so as to drive the double fork arms to swing up and down and conduct up-down swing damping on the double fork arms. The second damping driving mechanism is used for being connected with the middle connecting structure and the frame so as to drive the middle connecting structure to rotate front and ...

Silicon-based indirect heating type phase change radio frequency switch

The invention belongs to the technical field of radio frequency switches, and relates to a silicon-based indirect heating type phase change radio frequency switch, which comprises a dielectric substrate and a dielectric insulating layer arranged on the dielectric substrate, a dielectric isolation layer is arranged between the dielectric substrate and the dielectric insulation layer, and the heat conductivity coefficient of the dielectric isolation layer is larger than that of the dielectric insulation layer and smaller than that of the dielectric substrate; a micro heater, a dielectric barrier layer, a phase change layer, an electrode layer and a passivation layer which are sequentially overlapped are arranged on the dielectric insulating layer; the width of the dielectric isolation layer is greater than that of the micro heater; the thickness of the dielectric isolation layer is greater than or equal to 2 microns; the dielectric isolation layer is made of at least one of aluminum nitride ...

Multifunctional automatic bagging machine

The invention discloses a multifunctional automatic bagging machine which comprises two symmetrically-arranged operation platforms, a placement frame is arranged between the two operation platforms, a first supporting plate is arranged at the upper end of the placement frame, a detection mechanism is arranged on the first supporting plate, two symmetrically-arranged supporting plates are arranged on the side wall of the first supporting plate, and the detection mechanism is arranged on the detection mechanism. The two supporting plates are jointly connected with a second supporting plate, a conveying mechanism is arranged on the second supporting plate, first supporting rods are movably connected to the side walls of the two sides of the second supporting plate in a clamped mode, the two first supporting rods are vertically arranged, and the ends, away from the second supporting plate, of the two first supporting rods are jointly connected with a third supporting plate; a discharging mechanism ...

Method for detecting content of free amino acids in breast milk

The invention provides a method for detecting the content of free amino acids in breast milk, and relates to the technical field of breast milk detection. Specifically, the method comprises the following steps: adding an internal standard into a breast milk sample, uniformly mixing, adding a protein precipitant, fully mixing, centrifuging, degreasing, taking a water phase, and carrying out liquid chromatography-mass spectrometry detection to obtain the content of free amino acids in the breast milk sample, wherein the protein precipitant comprises an acetonitrile solution; quantification is carried out through an internal standard method. According to the method, the breast milk sample meets the detection requirements of liquid chromatography-mass spectrometry through a series of pretreatment simple to operate, the influence of a matrix effect on detection is avoided, derivatization is not needed, and meanwhile, the detection result has the advantages of high selectivity, high sensitivity ...

Screwdriver operation space inspection method and system

The invention provides a screwdriver operation space checking method. The screwdriver operation space checking method comprises the following steps of S1, based on three-dimensional design software, opening a digital model assembly; s2, responding to and executing screw installation inspection, and obtaining screwdriver data; s3, traversing the digital product design model to obtain a position matrix of the screws; s4, calculating a virtual screwdriver; s5, acquiring contours of other parts, and calculating eight points of the contours of other parts; s6, judging whether interference exists or not; and S7, displaying an inspection result. The invention further provides a screwdriver operation space checking system. The method and the system provided by the invention are a brand new method, and through an intersection algorithm, whether the screwdriver interferes with other design part digital models is calculated, the screw installation problem is recognized in advance, unstable factors ...

Special high voltage power transmission tower's high -efficient interfacing apparatus of ring flange

... 本实用新型的种特高压输电铁塔的法兰盘高效对接装置，包括钢管传送架，钢管传送架左右两侧对称设置有定位对接机构，定位圆盘朝向钢管支架的侧面上设置有法兰盘锁紧机构，定位圆盘与钢管传送架之间的底座上设置有升降托架，升降托架上设置有钢管承接机构；左右两侧的升降托架上设置有红外线对射传感器。本实用新型的有益效果是：能够方便快捷地将不同长度和规格的钢管与法兰盘的对接，大大提升了工作人员的生产效率，具有操作方便、结构简单、生产成本低且便于实施和推广的优点。 ...

Speech translation method, model, device, equipment and storage medium

The invention provides a speech translation method, model, device and equipment and a storage medium, and the method comprises the steps: obtaining original speech data, and inputting the original speech data into a speech translation model which comprises an encoder and a decoder; speech recognition is carried out on the original speech data through a low-layer calculation layer of the encoder, a low-layer recognition result is obtained, and the speech recognition accuracy of the low-layer calculation layer is smaller than an accurate threshold value; speech recognition is carried out on the low-layer recognition result through a high-layer calculation layer of the coding layer, prompt word learning is carried out on the low-layer recognition result, a learning recognition result is obtained, and the speech recognition accuracy of the high-layer calculation layer is larger than or equal to an accurate threshold value; and translating the learning recognition result through a decoder to ...

Many function test revolving stage of absolute method converse beam colourity performance of test and luminosity performance

... 本实用新型公开了绝对法测试逆反射体色度性能及光度性能的多功能试验转台，包括由上到下依次连接的主轴、支撑件和支撑架，主轴包括通过万向节连接的试样板连接部和支撑件连接部，试样板连接部与试样板连接，支撑件连接部与支撑件连接，支撑架包括杆体、支脚和套环，支脚由若干个、环绕套环设置、且顶端均与套环铰接，杆体穿过套环、顶端与支撑件连接，套环上安装有第三松紧螺钉，第三松紧螺钉穿过套环侧壁与杆体接触。本实用新型可实现逆反射体试样在Z轴方向的主体高度，准直光源入射角α和光接收器观测角β不同角度的联动调节，能使逆反射体材料旋转并固定到空间内任何需要的位置。 ...

Method for checking pressed edge of sheet metal product

The invention provides a method for checking a dead edge of a sheet metal product, which is based on an inlet function interface and an outlet function interface provided by three-dimensional design software and a butted function developed and written by a user, and comprises the following steps of: opening a sheet metal digital model in the three-dimensional design software, starting to execute sheet metal dead edge checking and data acquisition; whether the pressed edge meets the machining requirements or not is judged through materials and processing modes, whether the pressed edge meets the machining requirements or not is judged through sheet metal pressed edge data, the sheet metal pressed edge is automatically analyzed on three-dimensional design software, the length of the pressed edge is calculated, manual model analysis is not needed, the labor cost is saved, the problem of sheet metal pressed edge inspection work is solved, and the sheet metal pressed edge inspection efficiency ...

Automatic processing system for drilling machine pipe column

The invention relates to a drilling machine tubular column automatic processing system which comprises a base, a derrick, a crown block, a top drive, a hydraulic elevator, an intelligent well drilling robot, a drill floor mechanical arm, a power drill rod box, a lifting type power catwalk, a rail type iron roughneck and a telescopic arm type iron roughneck. A steel structure guide rail is arranged on the derrick, the intelligent drilling robot is in sliding connection with the steel structure guide rail through four sets of idler wheels, a rail is arranged on the drill floor face of the base, the drill floor face mechanical arm is in sliding connection with the rail, and the power drill rod box and the lifting type power catwalk are matched to convey pipe columns. The rail type iron roughneck is movably connected with the drill floor surface of the base through a gear and a rack, and the telescopic arm type iron roughneck is fixed to one side of the drill floor surface of the base. According ...

Model training method and device and natural language processing method and device

The invention relates to a model training method and device for natural language processing, a natural language processing method and device, electronic equipment and a computer readable storage medium, and relates to the field of machine learning. The model training method comprises the following steps: adding noise to a training text to obtain a first noise text; determining a first coding vector of the first noise text by utilizing a coding module of a machine learning model according to the first noise text; determining a predicted noise type corresponding to the first noise text by utilizing a classification model according to the first coding vector; determining a first prediction text by utilizing a decoding module of the machine learning model according to the first coding vector; the machine learning model is trained according to the predicted noise type and the first predicted text, the predicted noise type is used for training model parameters of the coding module, and the first ...

Self-energy arc extinguish chamber with diversion structure and circuit breaker

The invention provides a self-energy arc extinguish chamber with a diversion structure. The self-energy arc extinguish chamber comprises a supporting assembly, a static contact system and a moving contact system. The supporting assembly comprises an insulating supporting cylinder with two open ends, a guide cylinder, a supporting guide piece and an outer guide cover. The static contact system and the moving contact system are arranged at the two ends of the insulating supporting cylinder respectively and located in the insulating supporting cylinder. The flow guide structure is of a three-layer structure, a flow guide cylinder is arranged inside, a supporting flow guide piece with vent holes is arranged in the middle, and an outer flow guide cover is arranged on the outermost side. Through the structure, the direction of hot air flow is changed, and the hot air flow cooling channel is prolonged to reduce the flow rate and temperature of hot air flow carrying a large number of metal ions ...

Air pressure shearing quick-opening valve

The invention provides an air pressure shearing quick-opening valve which comprises a driving mechanism and a valve body structure, the valve body structure comprises a valve body and a valve element, the valve element is arranged in a valve cavity of the valve body and seals the inlet end or the outlet end of the valve cavity, a pressure storage air tank of the driving mechanism is connected with an air cylinder, the air cylinder is arranged at the upper end of the valve body, and a piston body of a piston is arranged in the air cylinder in a sealed and sliding mode. The supporting plate is arranged below the piston body and fixedly connected with the inner wall of the air cylinder, the upper end of a piston rod of the piston penetrates through the supporting plate and then is connected with the piston body, the lower end of the piston rod penetrates through the valve body and then extends into the valve cavity, and the pull rod is supported between the piston rod and the supporting plate ...

Wind power plant sector management control method and device

The invention provides a wind power plant sector management control method and device, and belongs to the technical field of wind power generation. The method comprises the following steps: acquiring a first fatigue load of each wind turbine generator in a wind power plant; based on a wind rose diagram of the wind power plant, determining a secondary wind direction sector and a main wind direction sector of the wind turbine generator with the first fatigue load exceeding a preset fatigue threshold value; and a target unit is selected from the wind turbine units with the first fatigue loads exceeding a preset fatigue threshold value, and power control is conducted on the secondary wind direction sector of the target unit according to a preset control rule. The wind power plant sector management control method and device have the advantages that the generating capacity of the wind power plant is further guaranteed, the wind turbine generator with the high failure rate is protected, and misoperation ...

Sample generation method and device, model training method and device, text analysis method and device and storage medium

The invention provides a sample generation method and device, a model training method and device, a text analysis method and device and a storage medium, and relates to the technical field of artificial intelligence. The sample generation method comprises the steps that an enhanced text is obtained according to initial sample data, at least one of aspect words and polarity of the enhanced text is different from that of the initial text, and the initial sample data comprises the initial text, initial aspect words and initial polarity; obtaining a spliced text according to the initial text and the enhanced text; and generating enhanced sample data according to the spliced text, the initial aspect word and the initial polarity, the enhanced sample data being used for training a machine learning model, and the trained model being used for determining the polarity of the text. Through the method, the acquisition efficiency of the enhanced sample data capable of improving the model generalization ...

Integrated ignition coil

According to the integrated ignition coil, the bottom of a shell protrudes downwards and forms a plurality of high-voltage heads in the transverse direction, the side end of the shell is connected with a low-voltage head, a plurality of coil assemblies are arranged on the rear side in the shell in the transverse direction, a primary connecting plate assembly is arranged on the front side in the shell in the transverse direction, and an accommodating cavity is filled with epoxy resin; the primary connecting plate assembly comprises a B + connecting line and a plurality of C-connecting lines which are mutually staggered in a three-dimensional space and fixedly mounted on the primary connecting plate, the B + connecting line forms a B + connecting point near each coil assembly, and each C-connecting line forms a C-connecting point near each coil assembly; the B + input end of the primary winding of each coil assembly is connected to the corresponding B + connection point, and the C-input end ...

Fast reactor main steam module and fast reactor main steam system

The invention relates to the technical field of nuclear power plant pipeline arrangement, in particular to a fast reactor main steam module and a fast reactor main steam system.The fast reactor main steam module comprises an evaporator, a superheater, a fast isolating valve, an electric isolating valve and a main steam pipeline which are sequentially connected; when the evaporator leaks, the quick isolating valve is closed, and the electric isolating valve is closed; the main steam pipeline is connected with a conventional island turbine; the fast reactor main steam system comprises a plurality of fast reactor main steam modules; a plurality of fast reactor main steam modules are grouped and then are respectively connected into the loop pipeline; the plurality of loop pipelines are connected to the main steam mother pipe in parallel; the main steam main pipe is connected with the conventional island steam turbine; according to the technical scheme, when the evaporator leaks, the quick isolating ...

High-efficiency blue-light semiconductor laser chip

The invention relates to the technical field of lasers, in particular to a high-efficiency blue-light semiconductor laser chip. In the blue light semiconductor laser chip provided by the invention, a quantum well active region comprises a plurality of overlapped quantum well layers and quantum barrier layers, the quantum well layers comprise a plurality of first quantum well layers, a second quantum well layer and a plurality of third quantum well layers in sequence along the growth direction, the thicknesses of the plurality of first quantum well layers along the growth direction are gradually reduced, and the thicknesses of the plurality of third quantum well layers along the growth direction are gradually reduced. In components are gradually increased, the thicknesses of the plurality of third quantum well layers in the growth direction are gradually increased, and the In components are gradually reduced, so that the electron leakage of an active region is effectively reduced and the ...

Shared vehicle returning control method and device and electronic equipment

The invention provides a shared vehicle returning control method and device and electronic equipment, and the method comprises the steps: carrying out the fortification and locking of a shared vehicle if a vehicle returning request is received and the shared vehicle meets a vehicle returning condition; displaying the generated first order information and the payment countdown through the user terminal; if the specified user does not pay within the payment countdown and the shared vehicle is static and has no load, pushing first prompt information; updating the first order information to obtain second order information, and displaying the information and overtime payment timing through the user terminal; and releasing the locked bicycle based on the information and overtime payment timing. According to the mode, when the first order information is displayed to the specified user, the payment countdown is also displayed, if the specified user does not pay after the payment countdown is finished ...

Online question answering method and system, electronic equipment and storage medium

The invention relates to the technical field of online education, and provides an online question answering method and system, electronic equipment and a storage medium, and the method comprises the steps: firstly obtaining interaction data, and recognizing an interaction intention corresponding to the interaction data; and under the condition that the interaction intention belongs to the question answering intention, extracting a to-be-answered test question from the interaction data, determining related test questions of the to-be-answered test question from the test question bank, and responding to the interaction data based on the related test questions. According to the method, the to-be-answered test questions are extracted from the interaction data in combination with the interaction intention determined by the interaction data, and then the interaction data are responded based on the related test questions of the to-be-answered test questions in the test question bank, so that special ...

Knowledge point recommendation method and device, storage medium and electronic equipment

The invention provides a knowledge point recommendation method and device, a storage medium and electronic equipment, and relates to the technical field of online learning. The knowledge point recommendation method comprises the following steps: determining weak knowledge points of a target user in a plurality of knowledge points; determining a learning vector of the target user for the plurality of knowledge points, wherein the learning vector represents the mastery degree of the target user for the plurality of knowledge points; and based on the weak knowledge points of the target user in the plurality of knowledge points and the learning vectors of the target user for the plurality of knowledge points, recommending optimal learning knowledge points to the target user. In the application, knowledge point recommendation is adaptively performed according to the learning ability of the target user, so that the learning income of the target user can be improved, and the learning confidence ...

Telegraph pole pre-burying and soil tamping device for electric power engineering

The invention discloses a telegraph pole pre-burying and soil tamping device for electric power engineering, which belongs to the technical field of steel piston processing, and adopts the technical scheme that the telegraph pole pre-burying and soil tamping device comprises an inner cylinder and an outer cylinder, the upper surface of the inner cylinder and the upper surface of the outer cylinder are welded and connected through steel bars, the upper surface of the inner cylinder is in screw connection with a fixed clamping ring, and a motor is fixedly mounted on the upper surface of the outer cylinder; the output end of the motor is connected with one end of the U-shaped rod, the other end of the U-shaped rod is in rolling connection with the inner cylinder, a rolling bearing is fixedly installed in the center of the protruding portion of the U-shaped rod, a connecting rod is fixedly connected to the lower surface of the rolling bearing, and a driving hammer is connected to the bottom ...

Support hanger design verification method, verification device, design method and design system

The invention discloses a support hanger design verification method, verification device, design method and design system, and the method comprises the following steps: carrying out the theoretical verification test of a support hanger, and obtaining a stress cloud picture and a displacement cloud picture of the support hanger; and according to the stress nephogram and the displacement nephogram of the support hanger, carrying out an actual working condition verification test on the support hanger. And according to results of the theoretical verification test and the actual working condition verification test, judging whether the support hanger meets design requirements or not. According to the support hanger design verification method, the support hanger structure is proved to meet the design requirement in a mode of combining theoretical calculation and actual working condition verification, so that a more reliable judgment result can be obtained.

Adjustable device for embedded pipe of embedded hole of beam body

The invention relates to a beam body embedded hole embedded pipe adjustable device which comprises a beam body pouring formwork, the beam body pouring formwork is provided with an embedded pipe, the embedded pipe can move up and down on the beam body pouring formwork, and the beam body pouring formwork is provided with an adjusting assembly used for adjusting the position of the embedded pipe. The adjusting assembly comprises an adjusting rod arranged on the beam body pouring formwork and a lifting rope assembly used for being connected between the adjusting rod and the embedded part, the adjusting assembly and the lifting rope assembly are arranged, and the two ends of the lifting rope assembly are connected with the embedded pipe and the adjusting rod correspondingly; by rotating the adjusting rod, the lifting rope assembly is continuously wound on the adjusting rod or the lifting rope assemblies with different lengths are replaced, so that the position of the embedded pipe can be adjusted ...

Hubbed flange dish interfacing apparatus of special high -tension transmission steel pipe tower

... 本实用新型的种特高压输电钢管塔的高颈法兰盘对接装置，包括钢管支架，钢管支架左右两侧对称设置有定位对接机构，定位对接机构包括底座，底座上设置有可左右平移的立柱，立柱上连接有竖直的定位圆盘，定位圆盘朝向钢管支架的侧面上设置有法兰盘锁紧机构，法兰盘锁紧机构包括嵌入在定位圆盘侧面上的电磁铁；定位圆盘与钢管传送架之间的底座上设置有升降托架，升降托架上设置有钢管承接机构，钢管承接机构包括两个前后对称设置的三角形托板。本实用新型的有益效果是：能够方便快捷地将不同长度和规格的钢管与法兰盘的对接，大大提升了工作人员的生产效率，具有操作方便、结构简单、生产成本低且便于实施和推广的优点。 ...

Stripping method of solar cell substrate

The invention discloses a method for stripping a solar cell substrate, which comprises the following steps of: S1, providing a solar cell part which comprises a substrate, a sacrificial layer and an epitaxial layer which are formed by superposition; a photoetching dry film is arranged in a local area of the surface of the epitaxial layer, and a flexible metal substrate is formed on the surface of the epitaxial layer; removing the photoetching mask, and forming an isolation groove in a corresponding local area; s2, corroding to remove the epitaxial layer in the region of the isolation groove; s3, corroding to remove the sacrificial layer of the part obtained in the step S2; and obtaining a plurality of solar cell chips and substrates. According to the stripping method provided by the invention, the yield of the obtained solar cell chip can be effectively improved, and the time required for stripping the solar cell substrate can be effectively shortened.

Automatic tying machine for bagging metal wires in carton

The invention provides a carton inner bagging metal wire automatic tying machine which comprises a main frame, a lifting roller conveying belt is arranged in the main frame, and the lifting roller conveying belt is used for driving a carton to move and ascend and descend; a second lifting mechanism is arranged on the side portion of the main frame and connected with the film arranging mechanism. The film arranging mechanism comprises a back plate connected with the second lifting mechanism, and the side face of the back plate is connected with two fixing arms through a moving assembly. The moving assembly is used for driving the two fixed arms to be close to each other or separated from each other, and the end of each fixed arm is connected with the film arranging roller; the interior of the main frame is connected with a lifting frame through a first lifting mechanism. A film stripping mechanism and a tying mechanism are arranged on the lifting frame; according to the film arranging mechanism ...

Laser chip with current non-injection layer and preparation method thereof

The invention provides a laser chip with a current non-injection layer, the laser chip is recessed at the contact part of a ridge waveguide layer and a front end face to form a step, the current non-injection layer is arranged on the step, and a third electrode grows above the current non-injection layer. A current non-injection layer technology is utilized, a current non-injection layer is prepared on an emission cavity surface side of a laser chip, and a third electrode is grown above the current non-injection layer. When a forward voltage is applied to the third electrode, a depletion layer of the p-type semiconductor below the current non-injection layer is pushed to an active region, and the carrier concentration of a cavity surface part is suppressed, so that injection of carriers in the active region of the cavity surface is reduced, light absorption of the cavity surface is reduced, and the temperature of the cavity surface is reduced.

Spanner tool operation space inspection method and system

The invention provides a wrench tool operation space inspection method. The wrench tool operation space inspection method comprises the following steps: opening a digital model assembly; bolt installation inspection is executed in response, and wrench tool data are obtained; traversing the bolts and the nuts to obtain position matrixes of the bolts and the nuts; calculating a virtual wrench tool; rotating the virtual wrench tools by taking the nut as a central axis, and recording contour points of each group of rotating virtual wrench tools; contours of all the parts are obtained, and contour points of the rectangular contours of all the parts are calculated; judging whether the rectangular outline of the part interferes with the rectangular outline of the wrench or not; determining whether the activity range interferes; and displaying the inspection result. The invention further provides an inspection system. According to the invention, a new inspection method is created, and the problem ...

Plant and arrangement method thereof

The invention discloses a plant and an arrangement method thereof. The plant comprises a plant body, a reactor core, a connecting assembly, an operation and maintenance assembly, a penetrating assembly and a protection structure. The room body is provided with a containing space and an operation space. The reactor core is arranged in the accommodating space; the connecting assembly is arranged in the accommodating space, one end of the connecting assembly is connected with the reactor core, and the other end of the connecting assembly is suitable for being connected with an external plant; the operation and maintenance assembly is arranged in the operation space and is used for monitoring or overhauling the reactor core; the penetrating assembly comprises a first penetrating piece and a second penetrating piece, the first penetrating piece is suitable for communicating the containing space with the outside, the second penetrating piece is suitable for communicating the operation space with ...

Dynamic pipe clamp test tool, test device and test method for nuclear power unit

The invention provides a nuclear power unit dynamic pipe clamp test tool, test device and test method.The tool comprises a connecting structure and a pipeline simulation body, the pipeline simulation body is connected with a pipe hoop of a dynamic pipe clamp in a clamped mode and connected with vertical force application equipment, and the connecting structure comprises a connecting plate, a connecting disc, a connecting pin and two baffles; the connecting plate is adjustably installed on a test bed, the two baffles are arranged in parallel and vertically fixed to the connecting plate, the connecting pin is fixed between the two baffles, a first pin hole and a second pin hole are formed in the connecting disc, the connecting disc is arranged on the connecting pin in a penetrating mode through the first pin hole, and the connecting disc can deflect to the center connecting line of the first pin hole and the second pin hole from the vertical state. And a set angle is formed between the second ...

Planet vehicle autonomous navigation method considering ground physical characteristics

The invention provides a planet vehicle autonomous navigation method considering ground physical characteristics, which comprises the following steps: constructing an autonomous navigation model about a planet vehicle based on deep reinforcement learning; acquiring running state data of the planet vehicle; inputting the running state data into the autonomous navigation model, and outputting to obtain a navigation motion decision of the planet vehicle; and controlling the planet vehicle to move according to the navigation motion decision. By constructing the autonomous navigation model based on the deep reinforcement learning theory, the autonomous navigation capability of the planet vehicle is realized and improved, the planet vehicle can autonomously perform planet detection without artificial decision, the adaptive capability and the movement capability of the planet vehicle are improved, and the navigation efficiency of the planet vehicle is improved. The autonomous degree, the intelligent ...