智慧公交站（橙黄时代）

LED光源（半圆环形）

真空断路器验电装置

节日灯壳体（福袋-2）

电视灯箱吊杆导轨

会议桌支架

光伏阳光棚脊梁

短袖

罩盖

芯片

电视灯箱型材（小边）

电视灯箱型材（大边）

Graphene oxide-based liquid crystal, binary liquid crystal system, 3D sponge-like scaffold material, liquid crystal gel and biological tissue engineering scaffold

The invention provides graphene oxide-based liquid crystal, a binary liquid crystal system, a 3D sponge-like scaffold material, liquid crystal gel and a biological tissue engineering scaffold, and relates to the technical field of repairing medical materials. Cholesterol-polyethylene glycol-amino is grafted to graphene oxide, a novel liquid crystal composite material graphene oxide-based liquid crystal compound is prepared, an aqueous solution of the graphene oxide-based liquid crystal compound has a birefringence phenomenon, and liquid crystal gel has an anisotropic structure; the platform has good osteogenic activity, printability, biocompatibility, degradability, mechanical performance, high similarity with bone tissue and biological bionic performance, and is a novel multifunctional integrated nano-structure platform. The graphene oxide-based liquid crystal compound can be compounded with a biomedical material, a photoinitiator, a growth factor and a stem cell chemotactic factor, a ...

Wafer surface cleaning device

The invention discloses a wafer surface cleaning device which is characterized in that the wafer surface cleaning device comprises a fixed case, a first area, a second area, a third area and a fourth area are arranged in the fixed case, a wafer carrying device and a wafer storing and taking device are fixedly arranged in the first area, a wafer spin-drying device is arranged in the second area, and the wafer carrying device and the wafer storing and taking device are fixedly arranged in the fourth area. A wafer scrubbing device is arranged in the third area, a power driving device is arranged in the fourth area, vertical partition plates are arranged among the first area, the second area and the third area, a transverse partition plate is arranged between the second area and the third area, and transverse partition plates are arranged among the fourth area, the first area and the third area. A first channel is arranged between the first area and the second area. The full-automatic wafer ...

Tetraterpene olefin derivative and preparation method and application thereof

The invention relates to the field of feed additives, and discloses a tetraterpene olefin derivative as well as a preparation method and application thereof, the method for preparing the tetraterpene olefin derivative comprises the following steps: (1) mixing tetraterpene olefin and vegetable oil to obtain a turbid mixed solution; and (2) introducing oxygen-containing gas into the mixed solution obtained in the step (1), and mixing and reacting the materials to obtain the tetraterpene olefin derivative. The tetraterpene olefin derivative prepared by the method disclosed by the invention can be used as a novel feed additive for improving the immunity of livestock and poultry, can avoid the problem that the application of tetraterpene olefin and the like is limited due to unstable properties, improves the utilization degree of natural antioxidant tetraterpene olefin, and has a good application prospect. The application of the feed in different fields of feed, medicine, health care products ...

In-situ synthesized carbon quantum dot composite material and preparation method thereof

The invention discloses an in-situ synthesized carbon quantum dot composite material and a preparation method thereof. The material is composed of carbon quantum dot/polyetherimide and a polyetherimide film. The preparation method of the carbon quantum dot/polyetherimide comprises the following steps: 1) fully and uniformly mixing polyetherimide and N-methyl pyrrolidone; 2) adding citric acid and ethidene diamine, and stirring; 3) putting the uniformly stirred solution sealing film into a microwave reaction device, adjusting the microwave reaction device to react, putting into an ice bath, and fully stirring; and 4) coating the obtained solution with a plate, and drying. The material can effectively improve the interface performance of polyetherimide and other materials, enhances the breakdown performance and high-temperature energy storage performance of polyetherimide, reduces interface defects in a matrix, and ensures good breakdown and high-temperature energy storage characteristics ...

Thyroid nodule fine-grained automatic identification and classification system based on weak supervised learning

The invention relates to the technical field of data processing, in particular to a thyroid nodule fine-grained automatic identification and classification system based on weak supervised learning, which comprises a server, a thyroid nodule fine-grained identification model is preset in the server, and the server is used for acquiring an identification image; outputting a fine-grained recognition result output by the thyroid fine-grained recognition model according to the recognition image; the thyroid fine-grained recognition model comprises a feature pyramid attention module used for processing a recognition image according to a feature pyramid attention algorithm; the space attention module is used for acquiring a binary mask and generating an attention map according to the binary mask to position a discrimination area; and the multi-network fusion module is used for acquiring output results of the plurality of backbone networks and fusing the output results to generate a fine-grained ...

Method for knocking out pig cell Y chromosome based on CRISPR/Cas9 system

The invention relates to a method for knocking out a pig cell Y chromosome based on a CRISPR/Cas9 system, and belongs to the technical field of biology, the method mainly comprises the following steps: (1) finding out a specific targeting repetitive sequence on the Y chromosome according to bioinformatics, and designing a corresponding gRNA; (2) preparing a CRISPR/Cas9 carrier; (3) electrically transferring the constructed vector into boar fetal fibroblasts, and verifying the target gene expression level decline condition at the cellular level through q-PCR (Quantitative Polymerase Chain Reaction); and (4) selecting gRNA electrotransduction with high efficiency, carrying out flow sorting dilution to obtain monoclone, and carrying out PCR and karyotype analysis verification on the monoclone. According to the method, the repetitive sequence which can be identified by the specific sgRNA is found in the specific chromosome of the pig, a new tool is provided for research on the specific chromosome ...

Stereoscopic vegetable cultivation device

The invention discloses a three-dimensional vegetable cultivation device, and relates to the technical field of vegetable cultivation. The device comprises a bottom plate, an adjusting mechanism and a cultivation mechanism, the adjusting mechanism comprises a fixing frame, the middle of the upper surface of the fixing frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a lead screw, the outer wall of the lead screw is in threaded connection with a moving block, the outer surface of the moving block is fixedly connected with a rack, and the side face of the rack is in meshed connection with a gear; a cultivation plate is fixedly connected to the outer side face of the gear, an empty groove is formed in the upper surface of the cultivation plate, a two-way threaded rod is rotationally connected into the empty groove, threaded blocks are in threaded connection to the outer walls of the two ends of the two-way threaded rod, and clamping ...

Sealing ring assembling device and method

The invention discloses a sealing ring assembling device and method. The sealing ring assembling device comprises a bearing assembly arranged on a rack and an ejector rod which can be inserted into the bearing assembly and enables a sealing ring to be arranged on the step face of the ejector rod in a sleeving mode. The pushing assembly is arranged on one side of the bearing assembly; the device further comprises a clamping assembly arranged on the other side of the bearing assembly, the clamping assembly at least comprises a clamping frame, fixing rods and clamping plates, the clamping frame is arranged on the rack in a sliding mode, the two fixing rods are fixedly arranged on the clamping frame at intervals, each fixing rod is provided with one clamping plate in a pivoted mode, and the two clamping plates are arranged in a mirror image mode and always tend to be opened outwards. The opposite inner side faces of the two clamping plates are each provided with a semicircular groove. The automatic ...

Digital non-magnetic rotary table for geomagnetic field vector observation and adjusting method of digital non-magnetic rotary table

The invention discloses a digital non-magnetic rotary table for geomagnetic field vector observation and an adjusting method thereof.The digital non-magnetic rotary table comprises a conical rotating shaft mechanism, a rotary table support, a support adjusting mechanism, a rotating shaft adjusting mechanism, a rotary table top and a level adjusting mechanism. The influence on the magnetic field in the working area of the magnetic probe is less than 1nT; according to the non-magnetic rotary table and the adjusting method thereof, the attitude of a component coil in a geomagnetic vector observation device can be adjusted, digital output of the rotating position is achieved, the rotating angle of the conical rotating shaft mechanism can be accurately and finely adjusted through the fine adjustment assembly, and the non-magnetic spring is arranged between the center body and the center base to eliminate forward and reverse gaps. In the transportation process, the conical rotating shaft mechanism ...

OLED PACKAGING METHOD AND PACKAGING STRUCTURE

Provided in the present invention are an OLED packaging structure and packaging method. The OLED packaging structure comprises: a substrate provided with an OLED device thereon; a first inorganic barrier layer formed on the substrate and covering the OLED device; an organic buffer layer formed on the first inorganic barrier layer, the organic buffer layer being doped with particles having a negative coefficient of thermal expansion; and a second inorganic barrier layer formed on the substrate and covering the first inorganic barrier layer and the organic buffer layer. The present invention has an organic material doped with particles having a negative coefficient of expansion to form a gradient-doped organic buffer layer, which can reduce thermal deformation of the organic buffer layer in a packaging structure and reduce or even eliminate the difference of deformation due to thermal expansion at the interface between the organic buffer layer and an inorganic barrier layer, thereby reducing ...

SUSPENSION-TYPE MAGLEV RAIL TRANSIT SYSTEM

A suspension-type maglev rail transit system, comprising a rail system, a suspension system, a control system and a car system, wherein the control system comprises a drive system, a guidance system and a suspension control system, the rail system is suspended in the air via upright posts (36), the car system is suspended vertically below the rail system via the suspension system, and the drive system and the guidance system cooperate to drive the car system to run in the rail system.

智能播报音箱（ZT8309）

电视灯箱（超薄灯箱）

甲状腺S状拉钩

装饰盖（房车座椅安全带）

耗材芯片

Vehicle monitoring data processing method

The invention provides a vehicle monitoring data processing method, and belongs to the technical field of monitoring data cleaning, and the method comprises the following steps: obtaining monitoring data of a commercial vehicle at each collection moment, the types of the monitoring data being various; extracting different types of target monitoring data sets with a coupling relationship from the monitoring data; for the target monitoring data of the specified type, constructing a filtering function according to the distance between the target monitoring data of other types; wherein the other types are types except the specified type in the target monitoring data set; filtering the target monitoring data of the specified type by adopting the filtering function; according to the method, the relationship between data of mutually associated parameter types can be comprehensively considered, relevance filtering is adopted, the actual running condition of the vehicle is reflected, real monitoring ...

Collection and treatment device for harmful gas in livestock farm and use method of collection and treatment device

The invention discloses a farm harmful gas collection and treatment device and a use method thereof.The farm harmful gas collection and treatment device comprises a base, a storage groove with an upward opening end is formed in the upper surface of the base, an upper layer, a middle layer and a bottom layer are arranged in the storage groove, and gauze A is arranged between the upper layer and the middle layer; gauze B and a metal layer are arranged between the middle layer and the bottom layer; most harmful gases including ammonia gas and carbon dioxide are absorbed through water at the bottom layer of the storage tank, a solution with ammonium carbonate and ammonium bicarbonate as main components is formed, then the solution is used for irrigating green plants in the upper soil, and water, ammonium carbonate and ammonium bicarbonate are intercepted in the soil to be absorbed and utilized by crops. And a gas-aqueous solution-soil-green plant chain is formed, and no secondary wastewater ...

Turbine cooling blade inner cavity partition plate and inclined rib parametric modeling method

The invention discloses a parametric modeling method for an inner cavity partition plate and an inclined rib of a turbine cooling blade. CAESES software is adopted as a modeling platform; the modeling comprises the following steps: creating a contour line of the longitudinal section of the partition plate at the origin of coordinates; projection lines of longitudinal section contour lines of partition plates on the two sides of the inner wall face of the inner cavity wall are obtained; six side surface curved surfaces of the partition plate and a partition plate entity are formed; packaging the generation process of the partition plate into a reusable feature program; creating a contour line of the longitudinal section of the inclined rib at the origin of coordinates; acquiring a projection line of a longitudinal section contour line of an inclined rib on the inner wall surface of the inner cavity wall; curved surfaces of six side surfaces of the inclined rib and an inclined rib entity ...

Rolling bearing fault diagnosis method under linear speed change working condition based on time-frequency ridge line

The invention relates to a rolling bearing fault diagnosis method under a linear speed change working condition based on a time-frequency ridge line. The method comprises the following steps: acquiring a time-frequency image with a time-frequency ridge line feature by using an STFT method; extracting a time-frequency ridge inclination feature pseudo angle and a pseudo slope from the obtained time-frequency image; extracting Tamura texture features from the obtained time frequency image; forming a feature vector by using the time-frequency ridge inclination feature and the Tamura texture feature through a feature fusion mode of numerical summation; and inputting the feature vector into the ELM, and judging the running state of the bearing through the ELM to realize bearing fault diagnosis. Compared with the prior art, the scheme has the advantages that the stable characteristic index for describing the fault characteristic under the linear speed change working condition is provided, and ...

Cavitation-erosion-resistant laser cladding material and application of cavitation-erosion-resistant laser cladding material in surface repair of flow passage component of hydropower station

The invention provides an anti-cavitation-erosion laser cladding material and application thereof in surface repair of flow passage components of a hydropower station. The material comprises the following components in percentage by weight: 55-70% of cobalt; 15%-32% of chromium; 1%-5% of tungsten; 10%-20% of a metal nano oxide; 1%-10% of carbon powder and the balance of manganese and/or molybdenum. According to the material, the ceramic particles are added and fused with the metal-based powder, and a coating obtained after laser cladding has the properties of high chemical stability, high hardness, wear resistance and the like of ceramic and also has the obdurability of metal, so that better cavitation erosion resistance and erosion resistance are achieved.

High-precision steel steelmaking flux based on low-silicon dolomite powder

The invention relates to the technical field of steelmaking flux production, and discloses a high-precision steel steelmaking flux based on low-silicon dolomite dust, a flux synthesis device comprises a mounting table, the top of the mounting table is fixedly connected with a mixing and stirring box, and the top of the mixing and stirring box is fixedly connected with a feeding and grinding box; according to the high-precision steel steelmaking flux based on the low-silicon dolomite powder, the first transmission shaft drives the first grinding mechanism to operate, the first grinding mechanism conducts first-time differential grinding on all raw materials, the first grinding mechanism conducts second-time differential grinding on all the raw materials, and the second grinding mechanism conducts second-time differential grinding on all the raw materials; the ground raw materials enter a second grinding roller on the second grinding mechanism, and meanwhile, the second transmission mechanism ...

Quick switching device for two-way power socket

The invention provides a quick switching device for a two-way power socket, and relates to the technical field of household appliance connecting devices. The two-way power socket rapid switching device comprises a switching mechanism, socket mechanisms are slidably arranged at the middle positions, close to the edges of the two sides, of the bottom face of the switching mechanism, a power storage mechanism is slidably arranged at the middle position of the bottom face of the switching mechanism, and an adjusting mechanism is rotatably arranged at the center of the front face of the switching mechanism. The switching mechanism comprises a protective shell, and a protective cover is hinged to the upper end of the front face of the protective shell. A rotating plate, a telescopic plate and a poke rod are arranged in the device, one end of the poke rod abuts against the switch position of a circuit breaker, when one circuit breaker is switched on, the other end of the poke rod drives the other ...

AIR DEFLECTOR FITTING STRUCTURE AND DEHUMIDIFIER HAVING SAME

An air deflector fitting structure comprises an air deflector (1) and a housing (2). The air deflector (1) is connected to an air outlet of the housing (2) by a rotating shaft (19), the air deflector (1) has a first end surface (12) and a second end surface (13), the first end surface (12) has a first outer edge (14) intersecting an outer surface (11) and a first inner edge (15) intersecting an inner surface, the projection line of the first outer edge (14) on the plane where the air deflector (1) is located is at the outer side of the projection line of the first inner edge (15) on the plane where the air deflector (1) is located, the second end surface (13) has a second outer edge (16) intersecting the outer surface (11) and a second inner edge (17) intersecting the inner surface, a projection line of the second inner edge (17) on the plane where the air deflector (1) is located is at the outer side of a projection line of the second outer edge (16) on the plane where the air deflector ...

UNMANNED AERIAL VEHICLE RECOGNITION AND POSITIONING SYSTEM AND METHOD BASED ON RGB_D AND DEEP CONVOLUTIONAL NETWORK

Disclosed are an unmanned aerial vehicle recognition and positioning system and method based on RGB_D and a deep convolutional network. The system comprises a camera monitoring module, an unmanned aerial vehicle recognition module, a two-dimensional image generation three-dimensional grid module and an RGB_D distance measuring and positioning module, wherein the camera monitoring module acquires an image of a whole monitoring region; the unmanned aerial vehicle recognition module matches the image of the monitoring region with a pre-stored unmanned aerial vehicle image feature to recognize whether there is an unmanned aerial vehicle in the monitoring region; the two-dimensional image generation three-dimensional grid module generates a three-dimensional grid graph from the image, acquired by the camera monitoring module, of the monitoring region by means of a graph convolutional neural network; and the RGB_D distance measuring and positioning module acquires an RGB_D image of the monitoring ...

PIGMENT PREPARATION, PREPARATION METHOD AND USE THEREOF

A pigment preparation, comprising the following raw materials in percentages by mass: 10-80 wt% of a pigment, 0-50 wt% of a dispersant, 0-5 wt% of a wetting agent, 0-3 wt% of a defoamer, 0-1 wt% of a bactericide, 0-3 wt% of an anti-settling agent, and water, wherein the water is added in such an amount that the sum of the total mass percentage of each component of the raw materials is 100 wt%. Also disclosed are a method for preparing the pigment preparation and the use thereof.

橡胶刨切打磨设备

阶梯教室桌椅（自动回位型）

包装盒（尊享和天下）

控制器(太阳能户外护栏智能)

大脑生物反馈治疗仪专用脑电放大器

冰箱

高速吹风机

Trolley specially used for nursing

... 本实用新型涉及一种护理专用推车，属于护理器械领域，所述的护理专用推车主要包括车身、支脚、车轮、推杆、操作台、挡板、支撑板、固定槽、水槽、出水口、水管、纱布盒、置物槽、隔板、水箱、垃圾篓、进水管、防漏盖、出布口；在推车内部设置有水箱，水箱与水管相连通，在操作台表面设置有水槽，护理人员可直接在推车处洗手，无需过多操作，在操作台左侧设置有可折叠的支撑板，支撑板表面设置有固定槽，固定槽可用于放置药品和伤口包扎用的药液，可对药品进行收纳，有效防止运送过程中药品掉落，在操作台表面设置有纱布盒，可直接从纱布盒内拿取伤口包扎用的纱布，能够有效提升护理人员的工作效率，减轻护理人员的工作负担。 ...

Powder quantitative weighing ware based on ARM11

... 本实用新型公开了一种基于ARM11的粉末定量称重器，信号调理模块、处理器主模块、通讯模块和显示模块。信号调理模块包括型号为STLX-200的称重传感器和信号放大电路；处理器主模块包括嵌入式芯片S3C6410和外部电源；通讯模块为RS232标准串行通信接口；显示模块为LCD液晶显示屏。本实用新型能够对实时所称重粉末的精确重量与初始定量重量进行显示和精确对比，以实现加工过程粉末物料的参数设置和定量称重。 ...

Stepping moving type supporting and shielding device and stepping moving type supporting and shielding method

The invention discloses a stepping moving type supporting and shielding device and a stepping moving type supporting and shielding method. The supporting and shielding device comprises four supporting columns which are vertically arranged and can stretch out and draw back in two directions, two telescopic beams which are transversely arranged, four positioning transmission assemblies and two rotation driving assemblies; the two supporting columns form a set to jointly support a telescopic beam to form a gantry frame structure, and a slidable and non-rotatable positioning transmission assembly is arranged outside each supporting column. Each rotation driving assembly is connected with the two positioning transmission assemblies outside the two supporting columns on the same side of each set so that the supporting columns in the contraction state can rotate around the supporting columns in the supporting state. The same set of supporting columns in the telescopic state carry the corresponding ...

Catalyst for continuously producing 1, 1, 1, 3-tetrachloropropane through gas-solid phase reaction as well as preparation method and application of catalyst

The invention discloses a catalyst for continuously producing 1, 1, 1, 3-tetrachloropropane through a gas-solid phase reaction as well as a preparation method and application of the catalyst. The catalyst comprises a zero-valent iron and phosphorus co-modified carbon material, and the zero-valent iron and phosphorus co-modified carbon material comprises a carbon material serving as a carrier, zero-valent iron which is loaded on the carrier and serves as an active component, and phosphate functional groups formed on the surface of the carbon material. The preparation method comprises the following steps: jointly modifying a carbon material with ferrite and organic phosphorus to obtain the catalyst for continuously producing 1, 1, 1, 3-tetrachloropropane through gas-solid phase reaction. The invention also provides a method for continuously producing 1, 1, 1, 3-tetrachloropropane through gas-solid phase reaction. According to the catalyst provided by the invention, the active component zero-valent ...

Plug-in loading method and device

The embodiment of the invention provides a plug-in loading method and device, and relates to the technical field of computers. The method comprises the following steps: receiving a first operation on a target application program, wherein the first operation is used for triggering the target application program to load a first plug-in; judging whether the first plug-in is a plug-in written in a preset language or not; if yes, judging whether the first plug-in introduces a function module which does not belong to the first plug-in or not; if a target function module which does not belong to the first plug-in is quoted in the first plug-in, the quotation of the first plug-in to the target function module is converted into the quotation of a module packer of the target application program to the target function module, and a second plug-in is generated; and loading the second plug-in through the target application program. The embodiment of the invention is used for solving the problem that ...

Belt attachment cleaning device of belt conveyor

The invention discloses a belt attachment cleaning device of a belt conveyor, and relates to the technical field of belt conveyor cleaning equipment, the belt attachment cleaning device comprises two side plates and two supporting rods arranged between the two side plates, a fixing frame is connected between the two supporting rods, and two cleaning units are arranged on the fixing frame. By arranging the side plates, the fixing frame, the sweeping units and other structures, the two sweeping units are arranged to sweep the surface of a belt in the two opposite directions, and the belt conveyor with the V-shaped groove can be better cleaned.

DC FAULT RIDE-THROUGH CONTROL METHOD OF HYBRID MODULAR MULTILEVEL CONVERTER

A DC fault ride-through control method of a hybrid modular multilevel converter. The control method dynamically configures the number of added half-bridge submodules (HBSMs) and full-bridge submodules (FBSMs) within the same leg by controlling the addition and removal of HBSMs and FBSMs (3, 4)in the leg and tracking the average of capacitance and voltage of the HBSMs and FBSMs and monitoring the DC side fault state based on the effectively operated HBSMs and FBSMs, thus realizing the balance of capacitance and voltage of the HBSMs and FBSMs in the steady state, and achieving effective control of AC/DC current and voltage during a transient state DC fault. The method ensures continuous operation of a converter and prevents shutdown of the converter due to a fault.

METHOD AND APPARATUS FOR TRANSMITTING 3D SYNCHRONOUS SIGNAL, AND 3D TELEVISION

The present invention provides a method and an apparatus for transmitting a 3D synchronous signal, and a 3D television. A first synchronous signal is generated based on a 3D video signal, the first synchronous signal is then modulated by using a carrier signal and a backlight control signal driving backlight, and a first control signal is generated, that is, a new backlight control signal used for driving the backlight; then, a backlight change in environment light is sensed by using a photoreceptor of the 3D glasses; an optical signal is converted into an electric signal, and the electronic signal is a second control signal, and the first synchronous signal in the second control signal is identified; a third control signal for controlling opening and closing of lenses of the glasses is generated according to the first synchronous signal, so as to control the time sequence of the left and right lenses of the 3D glasses, so that the image display to left and right eyes can be kept synchronous ...

DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, AND DISPLAY MODULE

A display panel (100) and a manufacturing method thereof, and a display module. The display panel (100) comprises: a substrate (101); a thin film transistor layer (200) positioned at the substrate (101); a planarization layer (111) positioned at the thin film transistor layer (200); a light-emitting device layer (400) positioned at the planarization layer (111); and an encapsulation layer (500) positioned at the light-emitting device layer (400), wherein the planarization layer (111) comprises a first protrusion (112), and an orthographic projection of the light-emitting device layer (400) on the first protrusion (112) is within the first protrusion (112).

Image monitoring alarm system and method for analyzing illegal behaviors

The invention relates to the technical field of information alarm, and discloses an image monitoring alarm system and method for analyzing violation behaviors, which solve the technical problem that the violation behaviors of users in the current construction field are difficult to analyze and discover, and comprises an image analysis module which comprises the following sub-modules: a storage module, a statistics module and a processor module, the storage module is used for storing screenshot image pixel data matrix data and preset standard image pixel data matrix data; the counting module is used for counting the quantity R2/G2/B2 in the screenshot image pixel data matrix data; the processor module is used for comparing the quantity difference between the data R1/G1/B1 and the data R2/G2/B2 through an algorithm; the alarm module is used for receiving the alarm instruction and executing alarm operation. According to the technical scheme, the illegal behaviors of personnel, such as the ...

Anti-corrosion coating aging state monitoring method, device, equipment, medium and product

The invention relates to an anti-corrosion coating aging state monitoring method and device, equipment, a medium and a product. The method comprises the steps that target current noise time sequence data of a target sample and reference current noise time sequence data of a reference sample are obtained, and the target current noise time sequence data and the reference current noise time sequence data are obtained from the time when the target sample and the reference sample are immersed in the same corrosive medium; the target sample is acquired according to an electrochemical noise method, and the target sample is a metal matrix coated with a target anticorrosive coating; according to the reference current noise time sequence data, obtaining a reference magnitude range of the current noise data of the reference sample in the preset starting time period; and determining the aging state of the target anticorrosive coating in combination with the reference magnitude range and the target ...

Gas concentration detection equipment and method based on discrete multispectrum

The invention provides a discrete multispectrum-based gas concentration detection device and a corresponding detection method, the detection device comprises a detection end and a reflection end, the detection end comprises a gas detection chamber, the gas detection chamber comprises at least two detection gas inlets, at least one conventional gas inlet and at least one conventional gas outlet, and the reflection end comprises a reflection end. An optical detection probe is arranged in the middle area of the top of the gas detection chamber, and an optical detection background bottom plate is arranged corresponding to the optical detection probe; the gas detection chamber is arranged at the upper part of the supporting base, the end face of the gas detection chamber is provided with a gas inlet, and two ends of the optical detection probe are provided with a conventional gas inlet and a conventional gas outlet. The detection equipment obtains light intensity data of related parameters in ...

Adaptive identification method for abnormal value of dam deformation monitoring data

The invention discloses a dam deformation monitoring data abnormal value self-adaptive identification method. The method mainly comprises the steps that key influence factors of a dam deformation monitoring model in the modeling process are optimized by introducing a BMS method; and then, establishing a dam deformation robust regression model by using the optimized key influence factor set, and performing robust regression analysis on dam deformation monitoring data in combination with an LTS estimation method, thereby simultaneously realizing regression modeling, data abnormal value identification and structure deformation prediction without data preprocessing. According to the dam deformation monitoring data abnormal value self-adaptive identification method, the misleading effect of the abnormal value on regression can be overcome in a self-adaptive mode, the regression significance is enhanced through the result, and meanwhile the data prediction precision is effectively improved.

Recyclable pre-stressed anchor cable and construction method

The invention discloses a recoverable pre-stressed anchor cable and a construction method, and belongs to the technical field of building construction.The recoverable pre-stressed anchor cable comprises an anchoring shell, an anchoring cover, an anchoring block, clamping blocks, a hydraulic jacking device, a working cable and a recovery cable, the anchoring block is slidably installed in the anchoring shell, and a plurality of clamping block holes and recovery cable threaded holes are formed in the anchoring block; the hydraulic jacking device comprises an anchoring block jacking device and a clamping block jacking device, the anchoring block jacking device and the clamping block jacking device are hydraulically communicated and are fixed at the bottom end of the anchoring shell side by side, a plurality of working cables penetrate through the anchoring shell and the clamping block jacking device and are anchored by clamping blocks in clamping block holes, and a recovery cable penetrates ...

Post-processing confrontation and defense method and system

The invention provides a post-processing confrontation defense method and system, and the method comprises the steps: calculating original edge loss according to an original input logs vector for calculating a sample classification prediction probability in an obtained deep neural network model; obtaining target loss according to the original edge loss; calculating an original prediction probability and a target calibration prediction probability of a category corresponding to a maximum value according to the original input logits vector; and according to the target loss and the target calibration prediction probability, determining a confrontation and defense logits vector, and directly outputting the confrontation and defense logits vector to achieve a defense effect. According to the method, under the condition that the model recognition precision is not reduced, the resistance of the deep neural network model to the attack based on the score black box query can be greatly improved, ...

INCOMING CALL PROCESSING METHOD AND SYSTEM, VEHICLE-MACHINE INTERCONNECTION DEVICE AND EQUIPMENT, AND COMPUTER STORAGE MEDIUM

The present invention relates to an incoming call processing method and system, a vehicle-machine interconnection device and equipment, and a computer storage medium. The method comprises: during the process that a vehicle-machine interconnection device of on-board equipment uses an application on a mobile terminal through a vehicle-machine interconnection device of the mobile terminal, when it is detected that an incoming call is received by the mobile terminal, stopping an incoming call page from popping up on the on-board equipment; sending incoming call information to the vehicle-machine interconnection device of the mobile terminal; receiving a fusion page sent by the vehicle-machine interconnection device of the mobile terminal, the fusion page comprising a current page of the application and a page of incoming call information; and displaying the fusion page. With the present technical solution, during the process that the vehicle-machine interconnection device of the on-board equipment ...

ON-LINE USER DISTRIBUTION PROCESSING METHOD, DEVICE AND STORAGE MEDIUM

The present invention relates to an on-line user distribution processing method, comprising: acquiring a map used for displaying on-line user distribution; calculating a projection algorithm proximal to the map; according to the latitude and longitude and the proximal projection algorithm, performing calculation to obtain an intermediate coordinate of at least one of the points, and using a fitting algorithm to acquire an approximate solution of a mapping function from the intermediate coordinate to a coordinate on the map; according to the proximal projection algorithm and the approximate solution of the mapping function, calculating a coordinate of each on-line user on the map; and according to the coordinates of all the on-line users on the map, counting the distribution data of the on-line users on the map. Also provided is an on-line user distribution processing device. By using the present invention, the on-line user distribution can be displayed on a map without knowing a projection ...

Synthesis method of 5-(2, 4, 6-trimethylphenyl)-2-propionyl-3-hydroxy-2-cyclohexene-1-ketone

The invention discloses a synthesis method of 5-(2, 4, 6-trimethylphenyl)-2-propionyl-3-hydroxy-2-cyclohexene-1-ketone.The 5-(2, 4, 6-trimethylphenyl)-2-propionyl-3-hydroxy-2-cyclohexene-1-ketone is obtained by taking maldehyde as an initial raw material and carrying out condensation, cyclization, acylation and rearrangement on the maldehyde and acetate. The technical process is simple, no dangerous process exists, the raw materials are easy to obtain, the yield is high, and the method is suitable for industrial production. Compared with a traditional process route, a large amount of acid and alkali are avoided, production energy consumption and cost are low, and the method is suitable for industrial production.

IP68 waterproof NB-IoT intelligent water meter

The IP68 waterproof NB-IoT intelligent water meter comprises a water meter base meter, a shell assembly and a PCB installed in the shell assembly, and an information interaction module is installed on the PCB; the information interaction module performs remote meter reading by performing data interaction with a background master station system; the information interaction module communicates with the water meter and processes information through interaction with a user; the information interaction module obtains the amount of water flowing through the water meter through the sampling module, and the amount of water is displayed through an LCD display screen in the man-machine interaction module. The NB-IoT communication technology is adopted, the characteristics of wide coverage, low power consumption and high reliability can be realized, and long-distance and long-time wireless data transmission can be carried out; the infrared communication module and the LCD liquid crystal module are ...

Cotton conveying pipeline structure, pneumatic cotton collecting and conveying system and cotton picking equipment

The invention aims to provide a cotton conveying pipeline structure capable of effectively protecting internal cotton materials and part structures when a pipeline mechanism connected with a cotton conveying pipe is blocked, and a pneumatic cotton collecting and conveying system and cotton picking equipment comprising the cotton conveying pipeline structure. The cotton conveying pipeline structure comprises a cotton conveying pipeline and a pneumatic pipeline. The whole cotton conveying pipeline is in a hollow pipe shape extending in the vertical direction, the cotton conveying pipeline comprises a cotton outlet port and a cotton inlet port, the pneumatic pipeline comprises a main pipe section, a first branch pipe section and a second branch pipe section, the first branch pipe section and the second branch pipe section are led out backwards from the main pipe section, the first branch pipe section extends backwards and is communicated with the cotton inlet port, and the second branch pipe ...

Rapid wiring auxiliary device for three-phase three-wire meter

The invention provides a rapid wiring auxiliary device for a three-phase three-wire meter, which comprises a high-voltage box and a combined mutual inductor, and further comprises an aviation plug, a combined junction box and a seven-core secondary plug wire bar, a first aviation socket is arranged on the wire inlet side of the combined junction box, and the wire outlet side of the combined junction box is connected with a preset wire slot; the wire inlet side and the wire outlet side of the prefabricated wire duct are respectively provided with a second aviation socket and a third aviation socket, and the third aviation socket is connected with a three-phase electric energy meter and an acquisition terminal.

Preparation method and application of tetraterpene olefin derivative

The invention relates to the field of feed additives, and discloses a preparation method and application of a tetraterpenoid derivative, and the preparation method of the tetraterpenoid derivative comprises the following steps: in the presence of an organic solvent, contacting a material containing unsaturated fatty acid with a tetraterpenoid compound, and carrying out a dissolution reaction to obtain the tetraterpenoid derivative. The tetraterpenoid derivative prepared by the method can be used for preparing a feed additive product for improving the growth performance of animals, and the product meets the production requirements of green foods, has no toxic or side effect on animals, enhances the immunity of organisms, and effectively improves the quality and safety of animal products.

Vehicle charging method, electronic equipment and storage medium

The invention provides a vehicle charging method, electronic equipment and a storage medium, the vehicle charging method applied to a vehicle-mounted terminal comprises the steps that charging request information is sent to a cloud server, and the charging request information comprises the current position of a vehicle; first navigation information sent by the cloud server is received, wherein the first navigation information is navigation information from the current position of the vehicle to an idle target charging position in a parking lot, and the navigation information is calculated by the cloud server according to the acquired parking lot information of the parking lot where the vehicle-mounted terminal is located and the current position of the vehicle; controlling the vehicle to run to the target charging position according to the first navigation information; and controlling the vehicle to be charged through the wireless charging device configured at the target charging position ...

Process defect screening method and device of memory, electronic equipment and storage medium

The invention provides a process defect screening method and device of a memory, electronic equipment and a storage medium, and relates to the technical field of semiconductors. The process defect screening method comprises the following steps: carrying out charge preprocessing on a target storage unit and a pseudo bit line, enabling a target word line, and carrying out charge sharing between the target bit line and the target storage unit; controlling charge sharing to maintain a specified duration; whether a leakage path exists between the target bit line and the pseudo bit line or not is detected based on the charge sharing result, the specified duration is longer than the reference duration, and the reference duration is the reference duration of charge sharing under the working condition that the direct current stress test is not carried out on the memory. According to the technical scheme, if the electric leakage path exists between the target bit line and the pseudo bit line, the ...

Transformer fault diagnosis and prediction method and system

The invention provides a transformer fault diagnosis and prediction method and system, and the method comprises the steps: obtaining updatable historical data of a transformer oil chromatography, and dividing the updatable historical data into a training set and a prediction set; inputting the training set into a pre-established neural network, and calculating an initial weight and neuron bias; then iterative loop forward propagation is carried out, and a training set is adopted to train a full connection layer of the neural network to calculate an error between actual output and expected output; if the error does not meet the requirement, performing back propagation to update neuron bias; inputting the initial weight into the whale optimization algorithm to update the initial weight; and performing iterative operation again by using the updated neuron bias and the initial weight, obtaining prediction set data, and inputting the prediction set data to the updated neural network to complete ...

TELECOMMUNICATION EQUIPMENT VERSION COMPATIBLE METHOD AND DEVICE

The invention discloses a telecommunication equipment version compatible method and device. The method comprises the following steps: receiving a processing request from a user, and acquiring version information of a network element managed by a network manager; starting a corresponding class loader according to the version information, loading a service processing subsystem corresponding to the version information by means of the class loader, and calling the service processing subsystem; the service processing subsystem activating a corresponding service realizing module according to the processing request, processing the network element, which is managed by the network manager, by the service realizing module, and returning the processing result. By means of the technical solutions provided by the invention, the zero-coupling of the system is realized, the operation complexity of the system is reduced, and workloads of system on the future development, test, upgrading and maintenance ...

HEIGHT-ADJUSTABLE FAN FIXING STRUCTURE AND HEIGHT ADJUSTMENT METHOD FOR FAN MODULE

A height-adjustable fan fixing structure and a height adjustment method. The height-adjustable fan fixing structure comprises: a fan box rear cover (1) and a fan box front cover (2), the fan box rear cover (1) and the fan box front cover (2) cooperating to fix a fan (4); and further comprises a height adjustment block (3), the height adjustment block (3) being adjustably mounted on a whole piece formed by connection of the fan box rear cover (1) and the fan box front cover (2), the lower end of the two side surfaces of the height adjustment block (3) being provided with trunkings (7), each of the trunkings (7) being provided with a rotatable wire screw (8), positions, corresponding to the two ends of each wire screw (8), on the fan box rear cover (1) and the fan box front cover (2) being provided with clamping holes (9), the two ends of the wire screw (8) being inserted into the clamping holes (9). Said fixing structure can realize hot-plugging and universal use of a same model of fan in ...

PROTECTION METHOD FOR MODULAR MULTILEVEL CONVERTER DURING BRIDGE ARM SHORT CIRCUIT FAULT

A protection method for a modular multilevel converter during a bridge arm short circuit fault includes the following steps: 1) setting a fault detection time interval △t of the protection switches connected in parallel with the bridge arms of the modular multilevel converter; 2) setting a fault action threshold value Q; 3) setting voltage threshold values Ulim.ac and Ulim.arm; 4) detecting the voltage Uac(t) between the alternating-current terminal of the modular multilevel converter and the ground, and computing Q1=abs(aveage(Uac(△t)))-Ulim.ac; 5) detecting the bridge arm voltage Uarm(t) of the modular converter, and computing Q2=abs(aveage(Uarm(△t)))-U lim.arm; 6) a bridge arm short circuit fault occurring if Q2 x Q1 > Q; and 7) trigging the protection switch connected in parallel with the bridge arm of a normal phase when it is determined that the modular multilevel converter has occurred the bridge arm short circuit fault. According to the method, by employing the protection switches ...

METHOD AND DEVICE FOR PROTECTING SERVICE RELIABILITY, AND NETWORK VIRTUALIZATION SYSTEM

Disclosed are a method and device for protecting service reliability, and a network virtualization system, relating to the technical field of communications and being capable of ensuring the protection of the service reliability in the network virtualization system provided in the present invention. In one embodiment of the present invention, a master node with a control function acquires current service type information and informs a slave code of the current service type information so that the slave code can determine a main virtual link and a standby virtual link in accordance with the service type information and conduct failure detection. When it is detected that the main virtual link has failed and the standby virtual link has not failed, a service data message is switched to the standby virtual link for transmission, in order to ensure that the uninterrupted transmission of the service data message is realized in a brand new system framework provided in the present invention, thus ...

OLED DISPLAY PANEL

Provided is an OLED display panel, comprising a packaging structure (20). The packaging structure (20) comprises at least one reflective combination layer (21) for reflecting ultraviolet rays. The reflective combination layer comprises a first reflective sublayer (211) and a second reflective sublayer (212) disposed on the first reflective sublayer (211); the first reflective sublayer and the second reflective sublayer are made of the same material but have different refraction coefficients.

THERMOPLASTIC POLYURETHANE ELASTOMER, AND PREPARATION METHOD, USE AND PRODUCT THEREOF

The present invention discloses a thermoplastic polyurethane elastomer (TPU), and a preparation method, use and product thereof. The thermoplastic polyurethane elastomer comprises the following components with respect to the total weight of TPU: 22-55 wt% of an aromatic diisocyanate and/or cycloaliphatic diisocyanate; 2-16 wt% of a chain extender; and 30-70 wt% of a polyester polyol. The invention can reduce a TPU injection molding shrinkage ratio to 0.2% or less, and can increase the thermal decomposition temperature to up to 300˚C, and can obtain elastomeric materials of different hardnesses, thus having a broad prospect of application in 3D printing methods.

Be applied to discharge gap group on 500kV direct current arrester

... 本实用新型公开了一种应用于±500kV直流避雷器上的放电间隙组，包括第一电极与第二电极，所述第一电极包括第一电极环，第一电极环通过调节杆与安装板相连接，安装板与避雷器的支柱绝缘子相连接；所述第二电极包括第二电极环，第二电极环的环形支撑架两端各设置有一组间隔棒组件对导线组进行夹持。本实用新型的有益效果是：放电间隙可根据实际情况调节，安装方便，提高了避雷器的工作稳定性和泛用性。 ...

Rotary push type power switch device

The utility model provides a rotary push type power switch device which comprises a rotary handle, a limiting block and a fixing block, the rotary handle vertically penetrates through the limiting block and the fixing block, and the rotary handle is in threaded connection with the fixing block; a locking block is connected to the end, close to the fixed block, of the rotating handle, the rotating handle is rotationally connected with a moving block through the locking block, and the moving block is parallel to the limiting block; one end, far away from the rotary handle, of the movable block is connected with an electrode plate, the electrode plate comprises a conductive section and a connection limiting section which are vertically connected, the connection limiting section is connected with the movable block, and the conductive section is arranged in the length direction of the rotary handle; and the other end of the conductive section is provided with an insulating limiting fixing piece ...

Picture detection model training method and device, computer equipment and storage medium

The invention provides a picture detection model training method and device, computer equipment and a storage medium, and the training method comprises the steps: obtaining a training picture sample set, and enabling a to-be-trained picture of the training picture sample set to comprise a detection object mark type and a detection object mark box; training each to-be-trained picture through the picture detection model to obtain a detection object prediction category and a detection object prediction frame; calculating a total loss value of the picture detection model according to the detection object mark category, the detection object mark frame, the detection object prediction category and the detection object prediction frame; and correcting the picture detection model according to the total loss value to obtain a trained picture detection model. By adopting the method, the total loss is calculated by integrating the detection object mark category, the detection object mark frame, the ...

Conducting ring and outgoing line fastening device for high-power wind driven generator

The invention discloses a conducting ring and outgoing line fastening device for a high-power wind driven generator, which comprises a base, a stator core coil is arranged at the lower part in the base, a conducting ring assembly is arranged at the upper part in the base, and the conducting ring assembly forms four sets of independent windings by sixteen conducting rings and a plurality of terminals; wherein the conducting ring is fixed and supported through the fixing and supporting assembly, the terminal is connected with the switching copper bar, the switching copper bar is fixedly arranged in the junction box and is connected with the cable, and the cable is led out of the junction box and then is fixed on a fixing plate outside the base. Compared with existing mainstream two sets of windings, the current load is reduced by half, current sharing, current density reduction and fire hazard prevention are carried out through a plurality of conducting rings, the conducting rings adopt a ...

Photoionization ion migration tube capable of regulating and controlling reaction reagent ions

The invention discloses a photoionization ion migration tube capable of regulating and controlling reaction reagent ions. And the ion migration tube comprises a first ionization region, a second ionization region and a third ionization region which are sequentially and adjacently arranged from left to right. Wherein the first ionization region is an initial electron generation and ultraviolet light transmission optical path regulation and control region, the second ionization region is a reaction reagent ion generation region, and the third ionization region is a to-be-detected sample ionization region. The concentration of a doped reagent in the first ionization region is rapidly switched, that is, rapid switching and high-purity generation of different reaction reagent ions can be realized in the second ionization region, and high-selectivity detection of a to-be-detected sample can be realized by utilizing the reaction selectivity difference of the different reaction reagent ions; or ...

Deep learning-based punctured convolutional code rate identification method

The invention discloses a punctured convolutional code rate identification method based on deep learning, and belongs to the technical field of channel coding parameter identification. According to the method, the identification model based on the one-dimensional multi-scale convolutional network is established, one-dimensional bit data is directly input into the network, the classification identification result is output, and the complexity of manual feature extraction is avoided; according to linear correlation of punctured convolutional codes, a multi-scale convolutional network framework capable of better recognizing punctured matrix features is adopted, and compared with other existing deep learning frameworks, higher recognition rate and better anti-jamming capability can be achieved; by adopting an integrated learning method, the data are input into a plurality of different initialized models for identification, and voting is performed to obtain a result, so that the robustness of ...

Automatic calcium carbide discharging system

The automatic calcium carbide discharging system comprises a circulating vehicle rail system and a calcium carbide furnace body, the calcium carbide furnace body is located at one end of the inner side, three furnace tongues distributed in a circumferential array mode are arranged on the outer wall of the calcium carbide furnace body, and a plurality of calcium carbide vehicles movably connected end to end are densely distributed on the circulating vehicle rail system; the lower end opening of the furnace tongue is provided with a swing groove, and the lower end opening of the furnace tongue can extend to the middle of the upper end opening of the swing groove; when the calcium carbide furnace main body is discharged through the furnace tongue, liquid calcium carbide flows into the swing groove through the furnace tongue, and the liquid calcium carbide in the swing groove can only flow into the calcium carbide pot below the furnace tongue through the lower discharge port in the swing groove ...

Method for preparing hydrogen

The invention discloses a method for preparing hydrogen, which comprises the following steps: mixing biomass or coal and calcium hydroxide-containing solid waste, and reacting in inert atmosphere at 500-800 DEG C. The method provided by the invention has the advantages that the preparation process is simple and feasible, the raw material source is wide, the produced hydrogen can be widely applied to industrial production, and the preparation of new energy is realized.

Construction method of anti-corrosion layer in sewage treatment tank based on multi-point anchoring PE plate

The invention discloses a construction method of an anticorrosive coating in a sewage treatment tank based on a multi-point anchoring PE plate, and relates to the field of sewage tank reinforcement. Comprising the steps of construction preparation, PE plate cutting, PE plate installation at the bottom of a pool, pool wall plate binding, pool wall formwork installation of PE plate pouring concrete, pool wall formwork dismantling, pool top formwork installation of PE plate, pool top steel bar binding and concrete pouring, pool top formwork dismantling and plate welding. The sewage pool is reinforced by adopting the multi-point anchoring PE plate, so that the PE plate can be effectively combined with the wall of the sewage pool, the leakproofness of the sewage pool is prevented from being damaged, the failure of an anti-corrosion layer is avoided, the construction period is short, and the construction is more flexible.

Bamboo product processing leftover material recycling system

The invention discloses a bamboo product processing leftover material recycling system, and relates to the technical field of bamboo product leftover material reutilization, the bamboo product processing leftover material recycling system comprises a box body, support legs fixedly connected to the box body, a rotating shaft, a crushing blade, a plurality of stirring blades and a plurality of stirring blades, the rotating shaft is hollow, and the rotating shaft is rotatably connected to the box body; the plurality of crushing blades are fixedly connected to the rotating shaft, and the driving module is fixedly connected to the top of the box body. Through cooperation of the structures, leftover materials in the box body can be pushed to move up and down while the leftover materials are crushed, so that the leftover materials can be conveniently crushed by crushing blades at different height layers, the situation that the crushing blade at a certain height layer can only crush the leftover ...

On-chip adjustable light attenuation device based on MZ interference structure and CV-QKD system

The invention provides an on-chip adjustable light attenuation device based on an MZ interference structure and a CV-QKD system. The on-chip adjustable light attenuation device comprises a light beam splitting unit, a first interference arm, a second interference arm and a light beam combining unit, the light beam splitting unit is respectively connected with the first interference arm and the second interference arm, the first interference arm is provided with a first thermal phase shift unit, the second interference arm is provided with a second thermal phase shift unit, and the first thermal phase shift unit and the second thermal phase shift unit are respectively connected with the light beam combining unit; the first interference arm and the second interference arm are unbalanced, and the sensitivity of the light attenuation coefficient of the adjustable light attenuation device to temperature fluctuation is reduced by adopting the adjustable light attenuation device with the unbalanced ...

DIRECT CURRENT VOLTAGE COMPENSATION METHOD FOR PARALLEL MIXED-TYPE MULTI-LEVEL CONVERTER

A direct current voltage compensation method for a parallel mixed-type multi-level converter. The converter is a three-phase power transmission structure, the three-phase power transmission structure consisting of a parallel-type single-phase structure series connection. A parallel-type single-phase structure consists of an H bridge full-control device structure (2) and a sub-module cascade structure (1) connected in parallel, the H bridge full-control device structure consisting of a cascade structure having four full-control devices (S1-S4), the sub-module cascade structure consisting of a half-bridge sub-module series connection. The compensation method comprises: an isolation time is added during a converter normal operating mode, the sub-module cascade structures are freely controlled in the isolation time, a required compensation voltage is thereby outputted, compensation of a direct current voltage shortfall is implemented, and a compensation ratio in the three-phase power transmission ...

DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR

A display panel (10) and a manufacturing method therefor. The display panel (10) comprises: a substrate (11); an ultraviolet reflecting layer (12) provided on the substrate (11); a thin film transistor array (13) provided on the ultraviolet reflecting layer (12); a light emitting device (14) provided on the thin film transistor; and a packaging layer (15) provided on the light emitting device (14). The ultraviolet reflecting layer (12) comprises at least a pair of first reflecting layer (121) and second reflecting layer (122) that are stacked and have different refractive indexes.

CAPTURING METHOD AND USER TERMINAL

A capturing method and user terminal. The method comprises: upon receiving an auto-focus and capture instruction, responding to the auto-focus and capture instruction, acquiring a first preview image via a first camera, and acquiring a second preview image via a second camera (S101); calculating, according to the first preview image and second preview image, an object distance to a user terminal from a captured object contained in the first preview image and second preview image (S102); generating, according to the calculated object distance, at least one depth-of-field layer, wherein the number of captured objects contained in the depth-of-field layer is one object or a plurality of objects, and the plurality of captured objects each have the same object distance to the user terminal (S103); acquiring, according to a predetermined corresponding relationship between the object distance and a focus position, a target focus position corresponding to the depth-of-field layer (S104); and focusing ...

FULLY TRANSPARENT LUGGAGE RACK HAVING COLOR CHANGING LAMP AND VEHICLE

A fully transparent luggage rack having a color changing lamp, comprising a transparent longitudinal rod body (1), a luminous body (2), a mounting base (3), an electric wire (4) and a hollow bolt (7). The longitudinal rod body (1) is connected to the mounting base (3); the luminous body (2) is arranged in the longitudinal rod body (1); the mounting base (3) is also fixed to a vehicle roof by means of the hollow bolt (7); and the electric wire (4) penetrates the hollow bolt (7) and is connected to the luminous body (2). Also provided is a vehicle which is provided with the fully transparent luggage rack having the color changing lamp. The lighting effect of the luggage rack is increased by means of arranging a luminous body (2) inside of the transparent luggage rack; meanwhile, the hollow bolt (7) is used to facilitate the penetration by an electric wire (4), thereby preventing the electric wire (4) from being exposed.

TURNOUT SYSTEM OF PERMANENT MAGNET MAGLEV RAIL TRANSIT AND CONTROL METHOD THEREFOR

Disclosed are a turnout system of permanent magnet maglev rail transit and a control method therefor. By means of providing a left-turn and a right-turn main rail (12, 13) along two sides of a turnout of a main rail (11), and with the function of the left-turn and right-turn main rails (12, 13) being to direct and guide a bogie body (17), turnout control over a permanent magnet maglev rail train is achieved. The switching of lines of permanent magnet maglev rail transit can be achieved by means of the control executed by the turnout system, such that the operating efficiency of maglev lines is improved, the laying of maglev lines is optimized, the amount of maglev rail lines laid is reduced, and the manufacturing cost of maglev rails is reduced.

METHOD AND APPARATUS FOR PROCESSING COMMODITY INFORMATION

The present invention provides a method and apparatus for processing commodity information. The method comprises: a merchant terminal receives commodity information from a remote server; the merchant terminal sends the commodity information received to a user terminal by near field communication (NFC). The present invention solves the problem in the prior art that inquiring the commodity information is inconvenient and propagandizing commodity information has great cost consumption, and thereby not only enables the user to inquire the commodity information anytime and anywhere, but also facilitates the merchant to update the commodity information in time and saves propaganda cost.

14 castellated hydraulic gear pump of big tooth depth coefficient of tooth

... 本实用新型公开了种14齿大齿高系数齿形的液压齿轮泵，包括前盖、泵体、主动齿轮、轴套、后盖、从动齿轮，所述前盖、泵体、后盖通过螺栓连接成体，泵体内主动齿轮和从动齿轮相互啮合，主动齿轮和从动齿轮两端轴颈由轴套内孔支撑，所述主动齿轮和从动齿轮为14齿大齿高系数齿形。本实用新型主要是对齿形参数进行了优化设计,对齿轮齿形进行修正，改善了齿轮的磨损情况，提高了轮齿强度；齿数多,降低了流量脉动,减少了齿轮泵噪音；增大了齿轮轴径,提高了轴刚度,有利于提高产品性能。 ...

Stone brick pavement maintenance method

The invention relates to the technical field of pavement maintenance, in particular to a method for maintaining a stone brick pavement, which comprises the following steps of: crushing broken stone bricks as one of raw materials, and screening the crushed stone bricks into small-particle stones with the particle size of not more than 5mm and large-particle stones with the particle size of 10-20mm; the large-particle pebbles are mixed with ordinary Portland cement, building sand, the large-particle pebbles and water to prepare concrete, and the small-particle pebbles are mixed with cement and water to form imitated stone surface layer mortar to form an imitated stone surface layer similar to an original stone brick. Local materials are used, operation is easy, broken and damaged stone bricks can be maintained in time, maintenance is fast, maintenance cost is extremely low, original natural stone is fully utilized, and the color of the maintained stone bricks is close to that of the original ...

SNP (Single Nucleotide Polymorphism) molecular marker related to day age of pigs reaching 115 kilograms and application of SNP molecular marker

The invention discloses a molecular marker related to the day age of a pig reaching 115 kg. The molecular marker is Ggt located at the 160284793 bp site of the first chromosome of the international pig genome Sscrofa11.1 version, and the molecular marker is Ggt located at the 160284793 bp site of the first chromosome of the international pig genome Sscrofa11.1 version. Ggt is mutated by A or is positioned at the 131 < th > site as shown in SEQ ID NO: 1 and is represented by M; the molecular marker is obviously related to the character of the day age of a pig reaching 115 kilograms, an efficient and accurate molecular marker assisted breeding technology can be established by using the molecular marker, and the molecular marker assisted breeding technology is applied to genetic improvement of reducing the day age of the pig reaching 115 kilograms, so that the growth speed of a pig group is increased, the economic profit of an enterprise is increased, and the core competitiveness is improved ...

Method for accelerating groundwater remediation by utilizing river water level fluctuation

The invention discloses a method for accelerating groundwater remediation through river water level fluctuation. The method comprises the following steps that hydrogeological parameters and pollutant parameters of a groundwater polluted area to be remedied are obtained; based on the obtained hydrogeological parameters and pollutant parameters, solute parameters of the repairing liquid are determined, and the repairing liquid is prepared according to the solute parameters; a repair well is arranged around a river in the groundwater polluted area, and then the injection position of repair liquid on the wall of the repair well is determined; and repairing liquid is injected into the repairing well according to the determined injection position. According to the method for accelerating groundwater remediation through river water level fluctuation, the contact area and the reaction rate of the remediation liquid and pollutants can be increased, and the purpose of accelerating groundwater pollution ...

Sand mold wall thickness detection method and system and computer readable medium

The invention relates to a sand mold wall thickness detection method and system and a computer readable medium, and the detection method comprises the steps that the detection system carries out system self-inspection, and state information S of the detection system is obtained; the detection system obtains a detection result R of the detection target; determining a quality coefficient K of the detection target according to the state information S and the detection result R; feeding back a comprehensive measurement result according to the state information S, the detection result R and the quality coefficient K so as to execute safety maintenance operation; according to the scheme, the requirement for detecting the gap between the sand mold assemblies in the production process of the complex combined sand mold can be met. And the combined sand mold is efficiently produced through gap data obtained through instant detection. And meanwhile, result tracking can be realized through a further ...

Construction method with foundation pit stand column serving as downcast tube well

The invention discloses a construction method for a foundation pit stand column serving as a downcast tube well. The construction method comprises the following steps that S1, drilling and well washing are conducted; s2, a reinforcement cage, a temporary stand column and a dewatering well pipe are manufactured; s3, hoisting and overall lowering: firstly hoisting the reinforcement cage into the hole and enabling the top of the reinforcement cage to extend out of the ground; hoisting the temporary stand column and the dewatering well pipe, welding the temporary stand column and the dewatering well pipe with the reinforcement cage into a whole, and lowering the whole; s4, concrete is poured, and a pile is formed; s5, backfilling a filter material; s6, well washing; s7, pump lowering, trial pumping and cover sealing are carried out; s8, auxiliary precipitation well construction: after the foundation pit is excavated to the base, due to over-irrigation of the upright post piles, a simple auxiliary ...

Root canal sealant and application thereof

The invention discloses a root canal sealant and application thereof. The root canal sealing agent comprises an ozone mineral polymer, nano-zinc oxide quantum dots and water liquid. The MTA and the ZnO QDs are mixed to form the root canal sealant, the curing time, the fluidity, the X-ray radiation resistance rate and the clinical root tip filling operation of the root canal sealant are not obviously different from those of single MTA, the dissolution rate of the mixed material can be reduced, and the root canal sealant has a good antibacterial effect on enterococcus faecalis.