FLUE GAS PURIFICATION SYSTEM FOR DOMESTIC WASTE PYROLYSIS INCINERATOR

A flue gas purification system for a domestic waste pyrolysis incinerator comprises a quench tower (2), an electromagnetic pulse dust remover (3), a waste heat utilization and cooling device (4), a carbon fiber filtration device (5), a heat exchange device (7), a dioxin chemical catalytic device (8), a water supply system, a flue gas pipe, and an induced draft fan (6). An inlet end of the quench tower (2) is connected to a flue gas pipeline of the domestic waste pyrolysis incinerator, and an outlet end of the quench tower (2) is connected to the electromagnetic pulse dust remover (3). The electromagnetic pulse dust remover (3) is connected to the waste heat utilization and cooling device (4), and the waste heat utilization and cooling device (4) is connected to the carbon fiber filtration device (5). The carbon fiber filtration device (5) is connected to the induced draft fan (6), and an outlet of the induced draft fan (6) is connected to the heat exchanging device (7). An outlet of the ...

电器保护套

Miniature ionic liquid propeller development method based on 3D printing emission nozzle

The invention discloses a 3D printing emission nozzle-based miniature ionic liquid propeller development method, which is characterized by comprising the steps of integrally preparing an emission nozzle and a liquid propellant storage area by using a 3D printing technology, manufacturing an electrode plate by using an MEMS micromachining technology, and matching the liquid propellant storage area (including the emission nozzle) with an electrode.

Lamination diffraction position correction calculation imaging method, device and system

The invention discloses a laminated diffraction position correction calculation imaging method, device and system, and the method comprises the steps: employing an irradiation probe to irradiate a to-be-detected sample in a process that a motion platform drives the to-be-detected sample to carry out the two-dimensional plane motion according to a preset curve, and employing a camera to collect the intensity information of a diffraction light field of the to-be-detected sample; randomly generating a series of position coordinates by taking each scanning position coordinate of the motion platform as a center, dividing the series of position coordinates into a plurality of initial populations, and iteratively updating the populations by taking the minimum difference value between the intensity information of the diffraction light field calculated by using the position coordinates in the populations and the intensity information of the diffraction light field acquired by the camera as a target ...

Three-dimensional filter packaging structure and preparation method thereof

The embodiment of the invention provides a three-dimensional filter packaging structure and a preparation method thereof, and relates to the technical field of semiconductor packaging, the three-dimensional filter packaging structure comprises a substrate, a functional module and a plastic package body, the functional module is mounted on the substrate, the plastic package body is arranged on the substrate and wraps the functional module, and the plastic package body is arranged on the substrate and wraps the functional module. The functional module comprises a structural chip and a filter chip which are oppositely attached, a functional groove is formed in the side, close to the filter chip, of the structural chip, and the filter chip covers the functional groove. Compared with the prior art, the structure chip is slotted, the functional cavity is formed in the corresponding position of the functional area of the filter chip, the cavity size is greatly increased, the sensing performance ...

METHOD FOR REDUCING CONTACT RESISTANCE BASED ON METAL WITH LOW MELTING POINT AND OXIDE THEREOF

A method for reducing contact resistance based on a metal with a low melting point and an oxide thereof. Conductive paste, i.e. the metal with a low melting point and the oxide thereof are applied between electric connectors which are mechanically connected, wherein the oxide accounts for 0.05-50% of the total weight of the conductive paste; the metal with a low melting point is selected from one of or a combination of any two or more of sodium, potassium, lithium, rubidium, cesium, gallium, indium, mercury, lead bismuth alloy, gallium-base binary alloy, gallium-base complex alloy, indium-base alloy, bismuth-base alloy, mercury-base alloy and sodium-potassium alloy, of which the melting points are lower than 200°C. Using a mixture of the metal with a low melting point and the oxide thereof as a conducting medium, the method can effectively reduce the contact resistance between the metal electric connectors which are mechanically connected, reduce the heat effect of the contact resistance ...

Phase change energy storage travelling glass

... 本实用新型涉及种相变储能旅行杯，包括杯身、杯盖和加热底座，所述杯身由内壁、相变储能材料夹层和外壁组成，所述内壁和外壁均为导热材料，所述相变储能材料夹层中填充有相变储能材料，所述外壁的底部开有孔，所述加热底座和杯身通过孔配合，所述杯身的外部还设置有可拆卸式保温套。本实用新型可以有效解决旅途中对冷水加热并保温的技术问题，携带方便。 ...

Power demand response control method and device and power management and control platform

The invention discloses a power demand response control method and device and a power management and control platform, and relates to the technical field of power, and the method comprises the steps: receiving a power demand instruction sent by a power utilization place, and the power demand instruction comprises the power consumption and the power demand time; collecting electricity utilization characteristic data of the electricity utilization place on the basis of receiving an electricity utilization demand instruction sent by the electricity utilization place, wherein the characteristic data comprises an electricity utilization environment, an electricity utilization load capacity and historical electricity utilization quantity; predicting the load of the power utilization place based on the power utilization characteristic data of the power utilization place; based on a power utilization demand instruction sent by the power utilization place, the collected power utilization characteristic ...

Illumination equipment

The embodiment of the invention provides illumination equipment. The illumination equipment comprises a lamp body; the light source assembly is connected with the lamp body and is provided with a sub light source with at least one color temperature; the lens assembly is arranged above the light source assembly, and a plurality of sub-lenses with different condensation angles are arranged on the lens assembly; wherein the lens assembly can rotate relative to the light source assembly, so that the sub-lenses with different condensation angles are switched to be above the sub-light source with one color temperature. According to the technical scheme provided by the embodiment of the invention, the sub-lenses with different condensation angles can be matched with the sub-light source with one color temperature by rotating the lens assembly, so that the illumination equipment with multiple illumination angles is obtained. Besides, by arranging the sub light sources with various color temperatures ...

OBJECT PROCESSING METHOD AND APPARATUS

Provided are an object processing method and apparatus. The method may comprise: displaying a corresponding object input area for a communication session interface between a local-end user and an opposite-end user, wherein the object input area comprises an alternative object display area, a selected object display area, and a selected object operation area, the selected object display area being used to display a selected alternative object in the alternative object display area, and the selected object operation area being used to display an operation control customized by the local-end user; and performing, according to a received trigger instruction for the operation control, corresponding processing operations implemented on an object in the selected object display area.

Counterweight device for rail engineering vehicle frame, rail engineering vehicle and gravity center adjusting method of rail engineering vehicle

The embodiment of the invention provides a counterweight device for a rail engineering vehicle frame, a rail engineering vehicle and a gravity center adjusting method of the rail engineering vehicle. The counterweight device comprises a connecting plate, a threaded column is connected to the lower portion of the connecting plate, and the bottom of the threaded column sequentially penetrates through a counterweight assembly, a rubber pad and a base plate and then is in threaded connection with a second nut; the rail engineering truck comprises a frame and at least one counterweight device arranged below the frame. The gravity center is convenient to adjust, and the flexibility is high; the method is suitable for the field of rail vehicle design and manufacturing.

Pulse generator

The invention discloses a pulse generator, which realizes the output of various shock wave waveforms. The pulse generator comprises a direct-current power supply DC, a charging switch K1, a discharging switch K2, a capacitor bank C1 and a wave modulation circuit group, one end of the direct-current power supply DC is connected to one end of the capacitor bank C1 through the charging switch K1, and the other end of the direct-current power supply DC is connected with the other end of the capacitor bank C1; the output end of the pulse generator, the wave modulation circuit group and the discharge switch K2 are connected in series and then are connected in parallel with the capacitor bank C1; the output voltage of the direct-current power supply DC and the charging and discharging parameters of the capacitor bank C1 are adjustable, and the charging and discharging parameters comprise capacitance and charging and discharging voltage; the wave modulation circuit group is a parallel circuit, ...

METHOD AND APPARATUS FOR PREPARING ARENE AND OLEFIN BY MEANS OF CATALYTIC HYDROGENATION COUPLED WITH CATALYTIC CRACKING OF BIO-FUEL

Method and apparatus for preparing an arene and an olefin by means of catalytic hydrogenation coupled with catalytic cracking of a bio-fuel. The device comprises a biomass thermal cracking fuel preparation unit (100), a bio-fuel stratification unit (200), a catalytic hydrogenation unit (300), a bio-fuel catalytic cracking unit (400), and a separation and purification unit (500). The bio-fuel stratification unit (200) produces a light fuel and a heavy fuel. The light fuel is hydrogenated in the catalytic hydrogenation unit (300) to obtain a liquid product, and the liquid product is mixed with the heavy fuel from the bio-fuel stratification unit (200), followed by catalytic cracking. The resulting products are separated and purified to give a high-purity arene and olefin. The present invention achieves complete catalytic hydrogenation and catalytic cracking of all components of a bio-fuel, and avoids loss of catalytic properties due to catalyst coking.

Impact type runner root bucket manufacturing method

The invention discloses a method for manufacturing a root bucket of an impact runner, which comprises the following steps of: establishing a root bucket model of a target impact runner, selecting a basic forge piece according to a root bucket high-stress area in the root bucket model, processing the basic forge piece into a central body forge piece, and manufacturing a central body of the target impact runner according to the central body forge piece. And according to the root water bucket low-stress area in the root water bucket model, additive manufacturing is conducted on the root water bucket low-stress area on the center body forge piece, according to the root water bucket high-stress area in the root water bucket model, the center body forge piece is machined, and the center body and the root water bucket high-stress area of the target impact type rotating wheel are obtained. According to the method, the center body and the high-stress area of the root bucket of the impact type runner ...

Novel absorb core

... 本实用新型涉及一种在吸收制品中起吸收作用的结构，一种新型吸收芯体，包括表层和中间层，所述的吸收芯体由表层包裹中间层形成，表层为亲水无纺布，中间层为主吸收体，所述的主体吸收体又包括蓬松吸收体和吸收棉芯，蓬松吸收体由一层蓬松层高分子和一层蓬松层材料组成，所述的吸收棉芯为木浆和SAP的混合体，蓬松吸收体位于吸收棉芯上方。用ES纤维无纺布制得的蓬松层材料，增加了芯层的强度，使得芯层不易分层、不易断裂，表面的蓬松层高分子使其吸收速度快，效率高，经济，同时，蓬松层高分子与蓬松层材料叠加的层数能够根据需要调整厚度，本新型结构形成多层吸收，吸水量大，能有效快速吸收和储存尿液，从而使用起来更干爽舒适。 ...

IMAGE PROCESSING METHOD AND APPARATUS

The present application provides an image processing method and apparatus, applicable to vehicles such as an intelligent automobile, a new energy automobile, a network connected automobile, and an intelligent driving automobile. The image processing method comprises: acquiring a current frame of image, the current frame of image comprising flicker stripes; according to the current frame of image, determining an interference source frequency causing the flicker stripes; and according to the interference source frequency, adjusting the exposure time of a next frame so as to obtain a next frame of image not comprising flicker stripes. The image processing method of the embodiments of the present application avoids the effect of an interference source on an image from the source, thereby improving the image quality.

Impact type rotating wheel manufacturing method of central body, external water bucket forge piece and empennage additive material

The invention discloses a manufacturing method for an impact type rotating wheel of a central body, an external water bucket forge piece and an empennage additive. The method comprises the steps that a water bucket model of a target impact type rotating wheel is established; wherein the water bucket model comprises a central body model and an external water bucket model; according to the center body model, a basic forge piece is selected and machined into a center body forge piece, and an external water bucket is manufactured according to the external water bucket model; tail wings are welded to the two sides of the center body forge piece respectively, and root water buckets are manufactured; at the first machining position before transportation, external water buckets are welded to a plurality of preset positions of the circumference of the center body forge piece correspondingly; and at the second processing position after transportation, welding the residual external water buckets at ...

METHOD FOR RECORDING AND PLAYING STEREOSCOPIC VIDEO, AND STEREOSCOPIC OBSERVATION GLASSES FOR THE RECORDING AND PLAYING METHOD

A method for recording and playing stereoscopic video, which is used for recording and playing video information, and includes the following steps of that: a driver motor of recording heads drives a first recording head and a second recording head; the first recording head records the left-way video of the video information on the obverse side of an optical disk, and the second recording head records the right-way video of the video information on the reverse side of the optical disk; synchronization is implemented to record the video information by the first recording head and record the video information by the second recording head; collating head information is recorded in the recorded video information; a driver motor of laser heads drives a first laser head and a second laser head; the first laser head and the second laser head respectively read the obverse side of the optical disk and the reverse side of the optical disk according to the collating head information; synchronization ...

Remote electrocardiogram monitoring system with electrocardiosignal quality evaluation function based on multi-feature fusion

The invention discloses a remote electrocardiogram monitoring system with an electrocardiogram signal quality evaluation function based on multi-feature fusion, and relates to the technical field of remote electrocardiogram monitoring systems. The remote electrocardiogram monitoring system comprises an electrocardiogram acquisition module and an STM32F407 main control module; the STM32F407 main control module comprises a control electrocardiosignal acquisition module and an electrocardiosignal quality evaluation algorithm. The remote electrocardiosignal monitoring system has the advantages that the balance problem of algorithm complexity and detection precision is comprehensively considered, and the remote electrocardiosignal monitoring system with the electrocardiosignal quality evaluation function based on multi-feature fusion is innovatively provided; before the wearable device automatically analyzes the electrocardiosignals, the quality of the electrocardiosignals is analyzed, the electrocardiosignals ...

LOOPBACK DETECTION METHOD AND APPARATUS

Disclosed are a loopback detection method and apparatus. The method comprises: writing the source MAC address and VLAN ID information contained in a received first service packet, and the ID information of the port receiving the first service packet into a MAC address table, and setting the corresponding loopback indication ID to a first state in the MAC address table; and determining the second service packet as a loopback packet if the source MAC address and VLAN ID information contained in a received second service packet are the same as the source MAC address and VLAN ID information contained in the first service packet in the MAC address table, and the port receiving the second service packet is different from the port corresponding to the port ID information in the MAC address table, and the loopback indication ID indicates a first state. The present invention is capable of accurately determining the received service packet as a loopback packet, thereby improving the accuracy and ...

Electronic complete machine product airtightness detection assembly line and use method thereof

The invention provides an electronic complete machine product airtightness detection assembly line and a use method thereof, the electronic complete machine product airtightness detection assembly line comprises an upper connection table, a detection workbench and a lower connection table, a conveying passage is formed among the upper connection table, the detection workbench and the lower connection table, and the conveying passage is provided with a lower sealing mold; the upper connection table is arranged between the upper process device and the detection workbench and used for conveying the whole machine product assembled in the upper process to the detection workbench. The detection workbench is used for providing a detection station for air tightness detection for a whole machine product; the lower connection table is arranged between the next process device and the detection workbench and is used for conveying the detected complete machine product to the next process; the detection ...

Laminating device

The invention relates to the technical field of sheet laminating, in particular to a laminating device. The laminating device comprises a machine frame, a driving assembly and adsorption mechanisms, the driving assembly is arranged on the machine frame and can drive the adsorption mechanisms to move in the vertical direction, the laminating device further comprises a bearing plate and a jacking mechanism, the adsorption mechanisms are arranged in the vertical direction, a through hole extending in the vertical direction is formed in the bearing plate. The jacking mechanism comprises a jacking assembly and a supporting piece, the jacking assembly can drive the supporting piece to block the through hole in the vertical direction, so that the supporting piece and the through hole jointly form a containing space, and the containing space is used for containing multiple layers of sheets. The multiple layers of sheets can be contained through the bearing plate, and after each layer of sheet is ...

Machine tool error control method and system based on laser interference tracker measurement field

The invention provides a machine tool error compensation method based on a laser interference tracker measurement field. The method comprises the following steps: networking and connecting a plurality of laser interference trackers to form a measurement field; synchronously triggering a plurality of laser interference trackers to collect machine tool nose point motion data in real time; calculating a lathe tool nose point space position error through a fast redundancy iteration algorithm; errors obtained through calculation are transmitted into a machine tool numerical control system, and corresponding compensation parameters are calculated; and compensating the position coordinates of the tool nose of the machine tool in real time according to the calculated compensation parameters. Displacement deviation measurement data of the four laser interference trackers are converted into spatial position deviation coordinates of the tool nose point through a fast redundancy iteration algorithm ...

Intelligent control method of laser processing equipment

The invention relates to an intelligent control method of laser processing equipment, which comprises the following steps of: fixing a material to be processed in a material fixer, constructing a three-dimensional coordinate system, mapping the material to be processed in the material fixer to the three-dimensional coordinate system to obtain the material to be processed comprising a three-dimensional position, analyzing a perforation instruction to obtain one or more three-dimensional perforation points, and performing laser processing on the perforation points. Calculating the heating rate of a laser beam emitted by a laser emitter according to the radius value and the depth value of each three-dimensional perforation point, starting the laser emitter to emit the laser beam according to the heating rate, and changing the propagation track of each laser beam by using a lens until the propagation track of each laser beam can be propagated to the three-dimensional position of the corresponding ...

METHOD AND SYSTEM FOR SELECTING TV CHANNEL AND TV RECEIVING DEVICE

A method and system for selecting TV channel and a TV recerving device, the method comprises that: a. information representing the user score for the multiple TV channels is received; b. a channel score list is created according to the channel scored by the user; c. a required channel program is selected according to the channel score list.

METHOD, APPARATUS AND SYSTEM FOR UPDATING SESSION WINDOW IN INSTANT MESSAGING SOFTWARE

The present invention provides a method, apparatus and system for updating a session window in an instant messaging (IM) software. After a user logs on the instant messaging software, a local device sends a session window updating message to a server. The local device receives a configuration file which is sent according to the updating message by the server, and updates the session window according to the received configuration file. Application of the method, apparatus and system of the present invention can update the session window in time, accelerate new function extension, and improve user satisfaction degree.

REFLECTIVE MOBILE PHONE CINEMA LENS

A reflective mobile phone cinema lens, comprising a semi-reflecting mirror (5), a concave spherical reflecting mirror (4) and a mobile phone (1) screen; the mobile phone (1) screen serves as a display screen to display an image; light passes through the semi-reflecting mirror (5) and arrives at the concave spherical reflecting mirror (4), and then is reflected by the concave spherical reflecting mirror (4) back to the semi-reflecting mirror (5), and is reflected by the reflective surface of the semi-reflecting mirror (5) onto the mobile phone (1) screen. The mobile phone cinema lens enables watching an online movie or playing a virtual reality game on the mobile phone (1) to have a good effect like watching a movie on a big screen in a cinema.

PAGE SWITCHING METHOD AND DEVICE IN INTERACTIVE INTERFACE, AND COMPUTER STORAGE MEDIUM

A page switching method in an interactive interface, including the following steps: acquiring an operation event on an interactive interface, triggering a page on the screen to move with the operation event; acquiring an indication identifier corresponding to the moving page according to the correlation between the page and the indication identifier; controlling the indication identifier to move simultaneously with the moving page; and obtaining the page remained on the screen according to the operation event. In the page switching method and device in an interactive interface and a computer storage medium, a page on the screen is triggered by an operation event of a user on an interactive interface to move with the operation event, and an indication identifier which has a correlation with the moving page will also move simultaneously, and the indication identifier dynamically indicates a page location during page switching, realizing the dynamic indication during page switching, realizing ...

Method and device for determining industry corresponding to fund, and storage medium

The invention discloses a method and a device for determining an industry corresponding to a fund, and a storage medium. The method for determining the industry corresponding to the fund comprises the steps that feature data of a to-be-indexed fund containing a stock position is determined, and the feature data reflects the correlation between the to-be-indexed fund and a plurality of industry trends and the fund position industry proportion of the to-be-indexed fund; according to the feature data, determining a fund category corresponding to the to-be-indexed fund from a plurality of fund categories; and determining industry information of the to-be-indexed fund according to the industry information of the type fund included in the determined fund type, the industry information being used for indicating the industry corresponding to the corresponding fund.

Operation method, device and system of excavator

The invention discloses an operation method, device and system of an excavator. The method comprises the steps that a current image of a to-be-constructed area is obtained through an unmanned aerial vehicle; according to the current image and a target terrain, an operation target of the excavator is obtained, the target terrain is an expected terrain after the to-be-constructed area is constructed, and the operation target represents an operation task needing to be completed by the excavator; and finally guiding the excavator to operate according to the operation target. According to the method, unmanned aerial vehicle scanning is used for replacing manual surveying and mapping to obtain the current image of the to-be-constructed area, the accurate operation task is obtained by comparing the current image with the target terrain, the excavator is guided to work according to the operation task, the unmanned aerial vehicle navigation time is short, the image obtaining efficiency is high, ...

Talk skill mining and recommending method and device and storage medium

The invention discloses a verbal skill mining and recommending method and device and a storage medium, and the method comprises the steps: obtaining historical call data, dividing the historical call data into first call data and second call data according to the business performance, wherein the service performance of the first call data is higher than that of the second call data; extracting seat response text data in the first call data, and arranging the seat response text data into candidate verbal skills to form a candidate verbal skill pool; determining a verbal skill success rate of each candidate verbal skill in the candidate verbal skill pool, wherein the verbal skill success rate is a difference value between a usage rate of each candidate verbal skill in the first call data and a usage rate of each candidate verbal skill in the second call data; and according to the verbal skill success rate and the features of the customer, recommending an optimal verbal skill to the customer ...

Information extraction method and device, electronic equipment and readable storage medium

The invention discloses an information extraction method and device, electronic equipment and a readable storage medium, and belongs to the technical field of artificial intelligence. The information extraction method in the embodiment of the invention comprises the steps of obtaining a to-be-processed text set, wherein the text set comprises a plurality of short texts; analyzing the plurality of short texts by utilizing a trained topic model to obtain n types of first topics and a plurality of candidate topic words under each type of first topics, and performing text clustering and keyword extraction on the plurality of short texts by utilizing a pre-training model to obtain m types of second topics and a plurality of candidate topic words under each type of second topics; and according to the n types of first topics, the plurality of candidate subject terms under each type of first topics, the m types of second topics and the plurality of candidate subject terms under each type of second ...

Staircase self -lock device

... 本实用新型公开了一种扶梯自锁装置，包括钩套、左钩爪和右钩爪；所述左钩爪包括半圆弧形的左外爪和左内爪；左内爪为长条状结构，设置于左外爪弧形内侧；左内爪长度小于左外爪的圆弧半径；左外爪和左内爪之间设置有弹簧；所述左钩爪和右钩爪结构相同，通过设置于钩套上部的中心轴连接；所述钩套下部设置有用于连接扶梯横梁的凹槽；本实用新型操作灵活方便、实用性强，不仅节约了成本，同时也提高了工作效率。 ...

Optimized dispatching method, device and equipment for power distribution network and storage medium

The invention discloses an optimal scheduling method, device and equipment for a power distribution network and a storage medium, and the method comprises the steps: constructing and solving a day-ahead planning model to obtain a day-ahead scheduling scheme in a day-ahead scheduling stage by taking the minimum operation cost of the power distribution network and the maximum proportion of new energy as objective functions; in the intra-day scheduling stage, based on a day-ahead scheduling scheme, an intra-day rolling model is constructed with the minimum power distribution network loss and the maximum distributed energy active output as objective functions, and the intra-day rolling model is solved every preset time interval to obtain an intra-day scheduling scheme; in the real-time scheduling stage, within each preset time interval, the intra-day scheduling scheme is corrected by taking the minimum adjustable resource output adjustment amount as a target function every preset sampling step ...

Method for constructing HPLC (high performance liquid chromatography) characteristic chromatogram of abrus herb formula granules

The invention provides an abrus cantoniensis hance formula granule HPLC (high performance liquid chromatography) characteristic chromatogram construction method which comprises the following steps: A) dissolving a test raw material with a solvent, and extracting to obtain a to-be-detected solution; b) measuring the liquid to be measured by adopting a high performance liquid chromatography to obtain an HPLC characteristic spectrum of the abrus cantoniensis hance formula granules; chromatographic conditions of the high performance liquid chromatography are as follows: a chromatographic column is a C18 column; a mobile phase A is a 0.1% formic acid aqueous solution, a mobile phase B is acetonitrile, and gradient elution is carried out. According to the method, a high performance liquid chromatography is adopted, an acetonitrile-0. 1% formic acid solution is selected as a mobile phase for gradient elution, gallic acid, abrus precatorius alkali, erythrinine, isoschaftoside, schaftoside and vicenin ...

Stepped charging method of lithium battery

The invention discloses a stepped charging method for a lithium battery. The stepped charging method comprises the following steps: carrying out constant-current quick charging on a battery module; and judging whether the highest monomer voltage in the battery module is greater than the capacity voltage inflection point of the battery cell and whether the maximum voltage difference in the battery module is greater than a preset voltage difference, if so, entering a constant-voltage equalizing charging process, and if not, entering a stepped charging process. According to the invention, on the premise of ensuring the charging speed by adjusting the charging voltage and current through the charging state, the lasting time of the charging end period is prolonged, and the effective equalization time can be prolonged as far as possible under the condition of not influencing the normal use of a customer, so that a relatively good equalization effect is realized, and the consistency of the battery ...

Method and tool for detecting connectivity of oil way hole

The invention discloses an oil way hole connectivity detection method and a detection tool, and the detection method comprises the steps: holding a grab handle, enabling a rod part with a dye layer to be inserted into a transverse oil way hole, enabling the dye layer with the length h1 to be completely seen through an inclined oil way hole, and enabling the judgment of the connectivity of the inclined oil way hole and the transverse oil way hole to be qualified. The rod part with the dye layer can be inserted into the transverse oil way hole through the grab handle, so that the dye layer with the length h1 can be completely seen from the inclined oil way hole as a quantitative evaluation standard, the detection efficiency and the detection quality of detecting the connectivity of the oil way hole are improved, and the problem that the evaluation standard cannot be formed according to experience judgment is solved. And the detection efficiency and the detection quality for detecting the ...

Phase change energy storage travelling glass

... 本实用新型涉及一种相变储能旅行杯，包括杯身和杯盖，所述杯身由内壁、相变储能材料夹层和外壁组成，其特征在于：所述内壁为导热材料，所述相变储能材料夹层中填充有相变储能材料，所述外壁为光热转换材料。本实用新型可以有效解决旅途中对冷水加热并保温的技术问题，携带方便。 ...

Detection method of white clay poria cocos product

The invention relates to the technical field of detection, and discloses a detection method of a white clay poria cocos product, which comprises the following steps: carrying out high performance liquid chromatography detection on a sample to be detected to obtain a fingerprint spectrum of the sample to be detected; comparing the fingerprint spectrum of the sample to be detected with a pre-established standard control fingerprint spectrum of the white clay poria cocos product; in the high performance liquid chromatography detection, a mobile phase comprises methanol and a phosphoric acid solution, and gradient elution is carried out. According to the method, appropriate high-performance liquid chromatography detection conditions are adopted, and the argillaceae fingerprint spectrum containing eight characteristic peaks can be established, so that the argillaceae can be conveniently identified; the characteristic peaks of the effective components can be confirmed to be more, so that the ...

Stranded wire manufacturing device

The invention relates to the technical field of stranded wire manufacturing, and provides a stranded wire manufacturing device which comprises a stranding machine. The support, the guiding device, the wire breaking device and the rotating disc are sequentially arranged on the support, the guiding device is located on the stranded wire output side of the stranding machine and used for adjusting the stranded wire height in an up-down reciprocating mode, the wire breaking device is used for cutting off stranded wires, and the rotating disc is rotationally arranged on the support. The first telescopic piece is arranged at the top of the bracket; the variable-diameter wire spool is rotationally arranged on the first telescopic piece, after the first telescopic piece extends out, the variable-diameter wire spool abuts against the rotary disc, a plurality of wire pressing grooves are further formed in the end face, close to the variable-diameter wire spool, of the rotary disc, and the depth of ...

Self-locking device and device with door body

The invention belongs to the technical field of door bodies, and particularly relates to a self-locking device and a device with a door body. The self-locking device comprises a first self-locking piece arranged on the first frame, and the first self-locking piece comprises a first self-locking part; the second self-locking piece is arranged on the second frame, and the second self-locking piece comprises a second self-locking part locked with the first self-locking part; one end of the elastic piece abuts against the second frame, and the other end of the elastic piece abuts against the second self-locking part. According to the self-locking device and the device with the door body, self-locking of the door body is achieved, the cold leakage condition of a refrigerator is avoided, energy is saved, and the quality guarantee period of food is prolonged.

Urban charging pile configuration demand evaluation method and device based on remote sensing image

The invention discloses an urban charging pile configuration demand evaluation method and device based on a remote sensing image. The method comprises the following steps: acquiring remote sensing image data of a building containing a target urban area; performing building footprint extraction on the remote sensing image data by adopting a pre-constructed learning offset vector model; wherein the learning offset vector model is constructed on the basis of fusion of a U-Net model and a SegNet model; calculating a vector shape area of the building footprint based on a convex hull algorithm of a Graham scanning method to obtain a building floor area, and calculating a building volume according to the building floor area; and performing regression analysis on the building environment independent variables and the charging pile flexible resources to calculate the charging pile scale of the target urban area. With the adoption of the method, the building footprint can be identified and the occupied ...

RSU redundancy switching test method and system

The invention provides an RSU redundancy switching test method and system, and the method comprises the steps: building connection with a first RSU controller which is currently used as a main device and a second RSU controller which is currently used as a standby device in an RSU redundancy switching system, and testing the main device and the standby device based on a redundancy switching mechanism test scheme; main-standby switching is carried out on the first RSU controller and the second RSU controller to enable the second RSU controller to serve as current main equipment, and then the main equipment and standby equipment are tested based on a redundancy switching mechanism testing scheme; and performing main/standby switching on the second RSU controller and the first RSU controller to enable the first RSU controller to serve as the main device again. According to the invention, the test efficiency, automation degree and comprehensiveness of the RSU redundancy switching system can ...

Method and system for automatically calibrating space precision of machine tool by using measurement field

The invention provides a method and a system for automatically calibrating the spatial precision of a machine tool by using a measurement field. The method comprises the following steps of: a motion data acquisition step: synchronously triggering a plurality of laser interferometers of the established measurement field to acquire the motion data of a tool nose point of the machine tool in real time; and an error calculation and calibration step: calculating a tool nose point space error through a fast redundancy iteration algorithm, and calibrating the geometric accuracy of each motion axis of the machine tool according to the error. According to the method for automatically calibrating the space precision of the machine tool by using the measurement field, high-precision measurement of the space position of the tail end of the machine tool can be realized, and interruption operation such as station transfer is not needed.

Particle screening device for detecting heavy metal pollutant soil

The invention relates to the technical field of pollutant screening equipment, in particular to a particle screening device for detecting heavy metal pollutant soil. The treatment box is used for bearing the extracted heavy metal contaminated soil; the grinding device is used for grinding and smashing the heavy metal contaminated soil in the treatment box; a processing device; the treatment device comprises a screening device used for screening the heavy metal contaminated soil in the treatment box. By arranging the grinding device, soil subjected to preliminary extraction can be ground and smashed, then the ground soil is preliminarily filtered, and some impurities in the soil are directly filtered out, so that later detection of the soil is facilitated, interference of the impurities is reduced, the detection result is more accurate, and errors are reduced. The subsequent screening device is utilized, so that shaking type screening and separation of the soil can be realized, impurities ...

Flue gas desulfurization device

The invention discloses a flue gas desulfurization device which comprises a filtering bin, a desulfurization bin and a cleaning mechanism, the filtering bin can cool gas and absorb impurities in the gas, the desulfurization bin can desulfurize the gas passing through the cooling bin, and the cleaning mechanism can clean the inner wall of the desulfurization bin; after being cooled by the filter bin, the high-temperature flue gas can be prevented from being in contact with the purification liquid and drying and dehydrating the purification liquid to form dry solid waste, and large-particle impurities in the flue gas can also be absorbed, so that the situation that a large amount of solid waste is generated within a relatively short time due to the fact that the large-particle impurities in the flue gas and the dry solid waste settle together is avoided; the filtering bin and the desulfurization bin are separated, the filtering bin and the desulfurization bin can independently and efficiently ...

Automatic asset allocation strategy generation method and device

The invention discloses an automatic asset allocation strategy generation method and device, and the method comprises the steps: carrying out the risk evaluation of a user, and obtaining the risk evaluation information corresponding to the user; the method comprises the steps of obtaining a plurality of investment objects for asset allocation, performing comprehensive evaluation on each investment object, screening out a plurality of screened objects from the plurality of types of investment objects according to a comprehensive evaluation result, and establishing an object pool; selecting at least one target object from an object pool based on the risk evaluation information, the expected income information corresponding to the screening object and the expected income of the user, so as to generate an asset allocation strategy; and monitoring income change information corresponding to the configuration strategy and risk evaluation change information corresponding to the user so as to adjust ...

City rail vehicle cab structure

... 本实用新型公开了种城轨车辆司机室结构，其包括司机室车顶横梁（5）和司机室门立柱（6），其特征在于，所述司机室车顶横梁上设置两纵梁（3）的后端，两纵梁的前端两侧与所述司机室门立柱之间设置横梁（7），两纵梁的前端焊接紧急门框（1）的上部，该紧急门框的下部与地板（8）焊接，紧急门框的内部安装紧急逃生门（4）。所述地板上焊接防水板（2）。本实用新型不仅能满足车体强度高、刚度大的要求，且满足紧急情况下司乘人员撤离的要求，还具有防水功能。 ...

Relevant fraud identification, prevention and control method

The invention relates to the field of anti-fraud, and provides a correlation fraud identification, prevention and control method. The objective of the invention is to solve the problem that gang fraud is difficult to detect and handle in real time due to the fact that fraud molecular means in the risk control field have the characteristics of organizational gang, attack concealment, inside and outside collusion, means complexity and the like. The main scheme comprises the steps of collecting node data, and obtaining original data which can be used for generating nodes through modes of filling authorization by a user and the like; sample data cleaning: cleaning and extracting the data, and constructing nodes of the knowledge graph, such as names, ip, contact information, mobile phone numbers, working places, GPS and the like, for subsequent composition; designing and constructing a basic information table, constructing a bottom table by using the collected node indexes, and continuously ...

Sectional type wellhead sand remover based on natural gas exploitation

The invention discloses a sectional type well mouth sand remover based on natural gas exploitation, and relates to the technical field of natural gas exploitation, the sectional type well mouth sand remover comprises a collecting pipeline and a discharging pipeline, an outer sleeve and a conveying pipe are sequentially arranged in a sand removing pipe from outside to inside, an annular space is reserved between the outer sleeve and the sand removing pipe, and a plurality of primary sieve holes are formed in the outer circumferential wall of the upper section of the outer sleeve; a plurality of secondary sieve holes are formed in the outer circumferential wall of the upper section of the conveying pipe; a secondary desanding cylinder is arranged on the outer wall of the extending section of the conveying pipe, the lower end of the desanding pipe is communicated with the upper end of the interior of the secondary desanding cylinder through a guide pipe, and a desanding unit used for secondary ...

Preparation method of directionally deposited heterogeneous CC composite material

The invention relates to a preparation method of a directionally deposited heterogeneous C/C composite material, which utilizes a temperature field generated by TGCVI equipment to conduct the thermal field to a carbon fiber preform through a high thermal conductivity carbon material, and realizes a temperature field in gradient distribution in the carbon fiber preform. And then the deposition temperature matched with the cracking temperature of the natural gas is designed by combining the cracking temperature of the natural gas, and temperature field movement and temperature gradient control are achieved through gradual thermocouple movement and cooling circulating water pressure control, so that the pyrolytic carbon can be directionally deposited in the carbon felt in the moving direction of the thermocouple. The density of the prepared high-density area reaches 1.7 g/cm < 3 >, the high-density area accounts for 70% (example 2), while the density of the high-density area in the prior art ...

Construction method of stewed pachyrhizua angulatus HPLC characteristic chromatogram and HPLC characteristic chromatogram and application thereof

The invention provides a construction method of an HPLC characteristic chromatogram of stewed pachyrhizua angulatus, the HPLC characteristic chromatogram of the stewed pachyrhizua angulatus and application of the HPLC characteristic chromatogram of the stewed pachyrhizua angulatus, provides a preparation process of a reference extract of the stewed pachyrhizua angulatus, establishes an exclusive quality control method for the preparation process, realizes comprehensive reflection of medicinal materials, the preparation process and the content of effective components, better meets the standard requirements of traditional Chinese medicine preparations, and has a wide application prospect. The rationality of the traditional Chinese medicine preparation content is ensured.

Signal compensation circuit, method and device, electronic equipment and readable storage medium

The invention discloses a signal compensation circuit, method and device, electronic equipment and a readable storage medium, and relates to the technical field of communication connection. The signal compensation circuit is applied to the electronic equipment, a signal receiving end of the signal compensation circuit is connected with a serial bus interface of the electronic equipment, a signal output end of the signal compensation circuit is connected with a data receiving and transmitting module of the electronic equipment, and the signal compensation circuit comprises an amplitude acquisition circuit and a signal processing circuit, a first end of the amplitude acquisition circuit is connected with the serial bus interface and is used for acquiring a first voltage amplitude of a first signal, and the first signal is a receiving signal of the serial bus interface; the receiving end of the controller is connected with the second end of the amplitude acquisition circuit; the first end ...

Device for processing bearing seat based on laser and processing technology

The invention relates to the field of laser machining equipment manufacturing, and provides a device for machining a bearing seat based on laser and a machining technology.The device comprises a laser cutting structure and a material guiding treatment structure, the material guiding treatment structure is fixedly connected to one side of the laser cutting structure, and the laser cutting structure is used for laser cutting work; the laser cutting structure is used for carrying out forming cutting on a bearing pedestal base, meanwhile, conduction of a first machining plate can be carried out, the conduction stability performance of the first machining plate is improved, the material guiding treatment structure is used for discharging operation after cutting, so that a cutting material can be rapidly separated from the first machining plate, and the laser cutting structure comprises a limiting treatment part and a conduction driving part; the conduction driving part is used for specific conveying ...

Combined detection method based on underground disease body remote sensing and geological radar

The invention relates to a joint detection method based on underground disease body remote sensing and geological radar, and relates to the technical field of geological detection, the method comprises the following steps: a data acquisition module respectively acquires multispectral remote sensing image data and radar data of a to-be-detected area; the data analysis module analyzes the multispectral remote sensing image data to determine geological activity data of a preset area around the to-be-detected area; the data analysis module determines an analysis mode of the radar data according to the geological activity data, and determines the working frequency of the geological radar according to the geological structure of the to-be-detected area; the data analysis module determines an adjustment mode of an analysis mode according to the settlement difference of the stratum thickness; the data analysis module determines the characteristics of the underground disease body according to the ...

Power distribution network power system electric energy power supply efficiency analysis system and analysis method

The invention discloses a power distribution network power system electric energy power supply efficiency analysis system and analysis method, and relates to the technical field of power systems, the power distribution network power system electric energy power supply efficiency analysis system comprises a data collection system, a data analysis system, a data management system and a mobile client, the data collection system is used for collecting data of a power grid power system and comprises a collection module and a monitoring module, the acquisition module and the monitoring module are jointly connected with a data summarization module, the data summarization module imports data into a data analysis system, the data analysis system comprises an extraction module for extracting the data, the extraction module is connected with a fault analysis module and an energy efficiency analysis module, and the fault analysis module and the energy efficiency analysis module are jointly connected ...

Self-calibration method and system for measuring field of laser tracking interferometer in machine tool coordinate system

The invention provides a self-calibration method and system for a laser tracking interferometer measurement field in a machine tool coordinate system, and the method comprises the steps: enabling four laser interference trackers to be connected and networked to form a measurement field, building a measurement coordinate system, and enabling the laser interference trackers to collect the motion data of a tool nose point of a machine tool in real time; a calibration point position is planned in the motion range of a tool nose of the machine tool and the measurement range of the laser interference tracker; simulating the positions of the calibration point and the laser tracking interferometer, and calculating a simulation error; whether the simulation error is smaller than a threshold value or not is judged, if yes, coordinates of the four laser interference trackers in a machine tool coordinate system are calculated, and a measurement field measurement coordinate system and machine tool mechanical ...

Credit financial risk strategy production method and device

The invention relates to the field of internet finance, and provides a credit financial risk strategy production method and device. The problem that traditional manual strategy production efficiency is low is solved, and strategy approval work production and iterative financial risk strategy rule set updating can be rapidly helped. The scheme comprises the steps of obtaining financial performance information of loan application users from an internal database, and generating financial performance characteristics according to the financial performance information; obtaining the latest characteristic parameters of the credit user from the third-party database; inputting the financial performance characteristics and the three-party characteristic parameters into a trained credit risk assessment model to form a user risk score; randomly combining the financial performance characteristics, the three-party characteristic parameters or the user risk scores to obtain a combination set of a plurality ...

Sediment deposition system for river flood fighting

The invention relates to the field of river flood fighting, and discloses a sediment deposition system for river flood fighting, which comprises a concrete base and a deposition device mounted on the concrete base, the cross section of the concrete base is inverted T-shaped, and the deposition device is mounted on one side, close to the upstream, of the concrete base. The deposition device comprises a silt storage tank, two material guide pipes, a silt storage pool, a pipe chain and a driving mechanism, the silt storage tank is installed on the concrete base, the two material guide pipes are installed at the bottom of the silt storage tank in parallel, the silt storage pool is installed on the bank sides of the two sides of a river, the ends of the material guide pipes are located above the silt storage pool, and the pipe chain sequentially penetrates through the two material guide pipes and is connected in a closed loop mode; and a driving mechanism for driving the pipe chain to move along ...

Coupler flange transmission device

The invention discloses a coupling flange transmission device which comprises a coupling, a transmission shaft, a fixing bolt, a locking gasket and a dismounting bolt. A mounting groove is formed in the coupler, a shaft end plate is arranged at the bottom of the mounting groove, the shaft end plate and the coupler are integrally formed, a first threaded hole is formed in the shaft end plate in the length direction of the mounting groove, and the interior of the mounting groove communicates with the outer side of the coupler through the first threaded hole. The transmission shaft is arranged in the mounting groove, a second threaded hole is formed in the end face, facing the shaft end plate, of the transmission shaft, and the aperture of the second threaded hole is smaller than that of the first threaded hole. The fixing bolt comprises a first bolt cap and a first screw rod, and the first screw rod is used for penetrating through the first threaded hole to be in threaded connection with ...

Partitioned modified special-shaped carbon fiber reinforced composite material component and preparation method thereof

The invention relates to a partition modified special-shaped carbon fiber reinforced composite material component and a preparation method thereof, and the top end of the special-shaped carbon fiber reinforced composite material component is impregnated in a precursor solution by adopting a precursor impregnation and pyrolysis technology. In a chemical vapor deposition furnace, pyrolytic carbon is deposited to improve the compactness of a non-impregnated area at the bottom end, so that the special-shaped composite material component with different microstructure and phase compositions in each area and gradient distribution of ceramic phase content from the top end to the bottom of the component is obtained. The partitioned modified special-shaped composite material component has the advantages of high-temperature oxidation resistance of a ceramic material and low density and good thermal conductivity of a carbon material. The surface temperature of the component is rapidly reduced in the ...

Electric power channel fault rate calculation method

The invention discloses an electric power channel fault rate calculation method, which comprises the steps of obtaining original wind speed data and topographic data of the position of each tower in an electric power channel, the electric power channel at least comprising one tower; correcting the original wind speed data according to the topographic data to obtain wind speed correction data of each tower in the power channel; determining the fault rate of each tower in the power channel according to the wind speed correction data and a fault rate model; and calculating the fault rate of the power channel according to the fault rate of each tower in the power channel. It can be seen that the original wind speed data can be corrected through the topographic data, the effectiveness of the original wind speed data is improved, the accuracy of the fault rate, predicted based on the original wind speed data, of the power channel is greatly improved, and then the reliability and stability of ...

Natural gas pressurized conveying oil removal system

The invention provides a natural gas pressurized conveying oil removal system, belongs to the technical field of oil and gas field natural gas extraction, and is used for carrying out primary treatment on extracted oil gas so as to facilitate subsequent natural gas gathering and transportation. The dual valve is arranged between the separator and the supercharging equipment, so that the dual valve can be automatically closed when the flow of the natural gas exceeds a preset value, the natural gas stably enters the degreaser, and the adverse effect of unstable factors of oil and gas well production on the degreaser is eliminated; and a special oil remover arrangement mode is utilized, so that the oil removal efficiency is improved, the frequency of replacing the filter element of the oil remover is reduced, and the oil remover has a relatively good popularization value.

Method for applying time sequence model to behavior variable

The invention discloses a method for applying a time sequence model to a behavior variable, belongs to the technical field of loan risk management, and solves the problem that a time dimension cannot be processed and learned as a variable in the prior art. The method comprises the following steps: acquiring all related credit data variables of a user with at least m-month actual repayment performance, and storing credit variable data in a matrix format to obtain a credit data set; based on the credit data set, reconstructing credit data variables of each user every m months into a time sequence matrix by adopting a sliding window form, and obtaining a label y value matrix corresponding to the time sequence matrix; training the LSTM model based on the time sequence matrix and the y value matrix to obtain a tag y value matrix; and scoring the label y value matrix by using a classification algorithm. The method is used for applying the in-loan behavior score card (behavior) variable.

Method for constructing retail credit line strategy

The invention relates to the field of retail credit risk decision, in particular to a method for constructing a retail credit limit strategy. The objective of the invention is to greatly improve the suitability and accuracy of quota strategies for different customer groups and product characteristics in the credit field, and reduce the dependence on data source diversity in the bank industry risk control field. According to the main scheme, the method comprises the steps of establishing a basic quota model, including model sample screening, in-mold data screening, model training and model verification; based on product characteristics, the applicability of the basic quota on the product is evaluated, quota mapping is carried out, and a basic intermediate quota is obtained; based on the credit investigation data, constructing a risk rating model, and setting a risk rating limit adjustment coefficient; based on the credit investigation data, constructing an income rating limit adjustment ...

Ring mould cleaning device

... 本实用新型涉及生物质致密成型机械领域，具体涉及一种环模清理装置，包括机座、细轴、环模、调节手柄和轴承座，所述机座上固定设有两对轴承座，所述轴承安装在轴承座上，所述细轴与轴承过盈配合，所述环模由两个橡胶轮支撑，所述橡胶轮套设于细轴上，所述细轴左端与调节手柄相连接，该装置可以同时清理环模上的一排模孔，并且冲头间距可调，环模转动角可控，被清理的残留物料容易收集，结构简单，清理干净、故障率低、效率高。 ...

Second-hand luxury transaction platform, system and method with authentication function

The invention discloses a second-hand luxury transaction platform, system and method with an authentication function, and relates to the technical field of image recognition. The system comprises an information acquisition unit, an image processing unit, a feature extraction unit, an identification model training unit and an identification unit, the information acquisition unit is used for acquiring image information and/or optical information of a large number of genuine luxury; the feature extraction unit is used for performing feature extraction on the acquired image information and/or optical information; the recognition model training unit is used for performing deep learning model training according to the extracted features to obtain a luxury recognition model; and the identification unit is used for receiving the luxury photo uploaded by the consumer and inputting the photo into the luxury identification model for identification. According to the invention, the consumer directly ...

Material adding method and system based on target 3D vision laser positioning guiding robot

The invention discloses a material adding method and system based on a target 3D visual laser positioning guiding robot, and the method comprises the steps: building a digital model of a workpiece, obtaining the posture information of the workpiece through a 3D sensor, scanning a target to obtain point cloud data, processing the point cloud data, taking the digital model as a source point cloud data set S, and obtaining a target 3D visual laser positioning guiding robot; and the scanned target point cloud serves as a target point cloud data set T, registration is carried out, registration result data is sent to the robot, the robot is guided to carry out additive welding, and the steps are repeated till the whole workpiece is integrally welded. The 3D vision system is used for automatically positioning the starting point of additive welding, the robot is guided to conduct intelligent operation, and therefore the additive welding efficiency is improved, the additive welding cost is reduced ...

Method for 3D printing of torsion beam miniature integrated scanning micromirror

The invention discloses a method for 3D printing of a torsion beam miniature integrated scanning micromirror. The method comprises the following preparation steps: step 1, depositing a layer of SiO2 on a Si layer; step 2, spin-coating photoresist on the SiO2 surface, and etching part of the photoresist by using an MEMS (Micro Electro Mechanical System) photoetching technology to obtain a torsion beam plane structure; step 3, filling gaps of the photoresist with the printing slurry by using a 3D printing technology; 4, the solvent in the printing material is removed, and the reinforcing material in the slurry is left; fifthly, a coating is added on the reinforcing material through CVD, so that the torsion beam structure is densified; step 6, reversely etching the bottom layer of the torsion beam, etching silicon dioxide by using HF, releasing the monocrystalline silicon micro-mechanical structure of the device layer, and leaving the micro-mirror torsion beam; step 7, etching to remove the ...

Construction method for HPLC (high performance liquid chromatography) content determination of laminated sanicle herb medicinal material decoction pieces, standard decoction and formula granules

The invention provides a construction method for HPLC (high performance liquid chromatography) content determination of sanicle herb medicinal material decoction pieces, standard decoction and formula granules, which comprises the following steps: A) dissolving and extracting test raw materials by adopting a solvent to obtain a liquid to be detected; b) determining the to-be-detected liquid by adopting a high performance liquid chromatography to obtain HPLC characteristic chromatograms of sanicle fasciculatus medicinal material decoction pieces, standard decoction and formula granules; chromatographic conditions of the high performance liquid chromatography are as follows: a chromatographic column is a C18 column; a mobile phase A is a methanol solution, a mobile phase B is a 0.1% phosphoric acid aqueous solution, and gradient elution is carried out. According to the method, a high performance liquid chromatography method is adopted, a methanol-0. 1% phosphoric acid solution is selected ...

Machine tool tail end dynamic precision real-time tracking measurement and closed-loop control method and system

The invention provides a machine tool tail end dynamic precision real-time tracking measurement and closed-loop control method and system, and the method comprises the steps: measuring the actual position and theoretical position of a tool nose point of a machine tool according to a measurement field of a laser interference tracker, and obtaining the spatial position error data during the movement of the tool nose point of the machine tool; establishing a machine tool error compensation parameter model, and inputting error data into the model to generate compensation parameters of the machine tool; the compensation parameters are transmitted into a numerical control system, and the tool nose point space position of the machine tool is compensated in real time according to the compensation parameters. Through the real-time compensation system, the measurement field and the machine tool numerical control system are integrated, closed-loop control of the machine tool and the measurement field ...

Pedestrian credit data risk prediction method and system based on CNN

The invention discloses a CNN-based pedestrian credit data risk prediction method and system, and belongs to the technical field of financial risk control. The method comprises the steps that pedestrian credit report data of a user is obtained, data preprocessing is carried out, abnormal value and missing value information processing and good and bad sample defining are carried out, and the pedestrian credit report data of the user comprises intra-bank credit granting, credit use records and information in bank flow of the user; building a user feature matrix based on the preprocessed data, and building a model input matrix based on the user feature matrix; constructing a deep convolutional neural network, and performing training based on a model input matrix; and predicting the model input matrix of the pedestrian credit report data of the user to be predicted based on the trained deep total convolutional network to obtain a prediction result. The method is used for pedestrian credit data ...

Method for predicting bad loan of user in consumption loan

The invention relates to the field of credit risks, and provides a method for predicting a bad loan of a user in a consumption loan. The objective of the invention is to solve the problem of how to more accurately predict recent loan loans in consumption loan, and try to construct a new method for predicting the loan loans to assist in analyzing future risk changes and ensure the accuracy of risk control strategy adjustment. The main scheme comprises the steps of obtaining loan data and overdue data; intercepting data in a period of time, performing preliminary screening on the data, and performing statistics on overdue performance of each period sequence in each month; filling vacant data of each month by adopting a moving average method; calculating the loss rate of each period of each month; a final loss rate is obtained in a cumulative summation mode; and taking the proportion of the loan amount of each period as a weight, carrying out weighted summation on the final loss rate, and ...

Portable soil collection, analysis and detection device

The invention relates to the technical field of soil collection and detection, and discloses a portable soil collection, analysis and detection device which comprises a folding and tiling device used for being in contact and fixed with the bottom surface; the buffer supporting device is used for reducing vibration caused by equipment in the deep sampling process; the deepening device is used for deepening into the soil to sample or detect the soil at different depths; and the detection equipment is used for detecting the sampled soil. According to the portable soil collection, analysis and detection device, the whole bottom face of the device can be inserted and fixed through the arranged folding and tiling device, external fixation of operators is not needed, the portable soil collection, analysis and detection device can be directly fixed to a slope or an uneven soil bottom face according to the terrain, and the portable soil collection, analysis and detection device can be folded and ...