麦克风网罩

机器人（智慧交通安全摇旗预警）

High precision temperature measurement instrument of jam -proof

... 本实用新型公开了一种防干扰高精准度温度测量仪表，包括：控制装置、显示装置和设有防干扰层的壳体，其中，所述的控制装置中设有第一检测模块、第二检测模块和校准模块，所述的控制装置和显示装置均安装于设有防干扰层的壳体中，所述的第一检测模块、第二检测模块的输出端均与校准模块连接，所述的控制装置和显示装置连接。本实用新型所述的一种防干扰高精准度温度测量仪表，其通过设有防干扰层的壳体代替普通的壳体，避免测量物以外的物质影响其测量的准确性，同时，通过第一检测模块和第二检测模块同时对测量物的温度进行测量，然后通过校准模块对两检测模块检测后的数据进行对比分析，大大的缩小了测量的误差，提高该温度测量仪测量的准确性。 ...

Data link message access control method based on channel load statistics

The invention discloses a data link message access control method based on channel load statistics. In the method, to-be-transmitted data link messages of in-network members respectively enter different priority data queues according to priorities; the system searches priority data queues with data link messages in sequence according to the sequence of priorities from high to low, and compares the priority threshold vi of the data queues with the current channel load value beta; if so; if vigt, the priority data queue retreats according to a retreat algorithm, and if vigt, the priority data queue retreats; if so, allowing the data link message in the priority data queue to access the channel; and calculating a residual load value, an average load limit value, an access load limit value and the like to determine the data size of an access channel. According to the technical scheme disclosed by the invention, the success probability of data link message sending and the channel utilization ...

Gas pipeline corrosion risk evaluation method and device based on corrosion control unit

The invention provides a gas pipeline corrosion risk evaluation method and device based on a corrosion control unit, and the method comprises the steps: obtaining data which comprises gas pipeline basic data, environment detection data, anti-corrosion layer detection data, cathode protection detection data, stray current interference data, environment detection data and the like; dividing corrosion control units according to the data; performing risk evaluation on corrosion of a single test pile in each corrosion control unit; and comprehensively evaluating the corrosion risk of the corrosion control unit. According to the method, various anti-corrosion elements and anti-corrosion system operation parameters of the pipeline are comprehensively considered, the overall corrosion risk and anti-corrosion effect grading judgment method of the corrosion control unit is established, the overall anti-corrosion effects of different corrosion control units can be compared, and high-corrosion risk ...

Double inertial navigation collaborative calibration method in polar region environment

The invention belongs to the field of navigation, discloses a dual inertial navigation collaborative calibration method in a polar region environment, and is suitable for autonomous calibration of a carrier equipped with multiple inertial navigation systems with indexing mechanisms in a polar region. Aiming at the problem that the self-calibration capability of the inertial navigation system is limited when no external reference information exists in a polar region special environment, a transverse geographic coordinate system under an earth ellipsoid model is used as a navigation coordinate system, and the relative speed and the relative position of two inertial navigation systems under the transverse geographic coordinate system are used as constraints for observation; a double-inertial navigation system joint error state Kalman filter under a transverse geographic coordinate system of an earth ellipsoid model is established, and error parameters of the inertial navigation system to be ...

HIGH TEMPERATURE RESISTANT OPTICAL FIBER AND PREPARATION METHOD THEREFOR

Disclosed are a high temperature resistant optical fiber and a preparation method therefor. The high temperature resistant optical fiber comprises an optical core layer, a cladding layer and a double-layer coating layer, wherein a coating material of an internal coating layer consists of an acrylate oligomer, 2-hydroxyl-2-methylphenylacetone, vinyl tri(2-methoxyethoxy)silane and (2,4,6-trimethylbenzoyl)diphenylphosphine oxide; and an external coating is a high temperature resistant acrylic resin external coating layer.

RECOMBINANT KOD POLYMERASE

Provided is a recombinant KOD polymerase, which is the following A) or B): the polymerase shown in A) is a protein having DNA polymerase activity that is obtained by modifying amino acid residues in at least one of the following 18 positions in a wild-type KOD DNA polymerase amino acid sequence: 675th, 385th, 710th, 674th, 735th, 736th, 606th, 709th, 347th, 349th, 590th, 676th, 389th, 589th, 680th, 384th, 496th and 383rd; the polymerase described by B) is a protein having DNA polymerase activity that is derived from A) by adding a tag sequence to an end of the amino acid sequence of the protein shown in A).

前板簧（F-SPRING)

机器人（智慧交通安全灯光预警）

托盘检测器

后板簧（B-SPRING)

Synthesis method of N-BOC-4-amino-4-piperidine carboxylate

The invention discloses a synthesis method of N-BOC-4-amino-4-piperidine carboxylate, which comprises the following steps: adding alkali into bis (2-chloroethyl) amine hydrochloride in a water and organic phase system, dropwise adding Boc-anhydride, and after the reaction is completed, extracting, drying and concentrating to obtain a compound IM1; the preparation method comprises the following steps: adding alkali and Boc-anhydride into bis (2-chloroethyl) amine hydrochloride in a water and organic phase system, reacting to obtain a compound IM1, removing one hydrogen on methylene from RM2 through alkali, then reacting with the compound IM1 to obtain a compound IM2, finally removing a primary amine protecting group from the compound IM2 or reducing to obtain primary amine, and then hydrolyzing, thereby obtaining the intermediate. The preparation method comprises the following steps: by taking a compound TM (N-BOC-4-amino-4-piperidine carboxylate) as a raw material, extracting with an organic ...

Radar waveguide airtightness detection tool

The invention provides a radar waveguide airtightness detection tool, and relates to the field of detection tools, the radar waveguide airtightness detection tool comprises a base, and the base is provided with a height adjusting mechanism and an auxiliary assembly; the height adjusting mechanism is provided with a workbench used for placing a radome, and the height of the radome to be measured is adjusted. The execution end of the auxiliary assembly is located on the side face of the workbench, and the execution end of the auxiliary assembly can move away from or close to the workbench. The first sealing assembly and the second sealing assembly are connected to the execution end of the auxiliary assembly, and adjustment of the first sealing assembly and the second sealing assembly in the horizontal direction is achieved. The detection assembly is arranged in the closed detection cavity, and the air extraction unit is communicated with the closed detection cavity and is configured to extract ...

Preparation method of chitosan quaternary phosphonium salt

The invention relates to a chitosan quaternary phosphonium salt preparation method, which comprises: 1, dissolving a substance A, which is parachloromethyl benzoic acid, in an organic solvent, adding a substance B, and carrying out a reaction to obtain a small molecule quaternary phosphonium salt; the substance B is triphenylphosphine; step 2, dissolving chitosan in an acetic acid aqueous solution; step 3, dissolving micromolecular quaternary phosphonium salt in water or a water/ethanol mixed solution, and adding 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxysuccinimide until the 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride and the N-hydroxysuccinimide are completely dissolved to obtain a micromolecular quaternary phosphonium salt solution; step 4, adding the micromolecular quaternary phosphonium salt solution into the chitosan solution for reaction; and step 5, after the reaction is finished, concentrating and drying to obtain the chitosan quaternary ...

Coal piling and taking tracking method and device based on European warehouse and electronic equipment

The invention relates to a coal piling and taking tracking method and device based on an European warehouse and electronic equipment. According to the specific scheme, the method comprises the following steps of: respectively acquiring a bunker entering coal quantity variable quantity, a bunker exiting coal quantity variable quantity and material level height change data of an European bunker in a first preset time period, and a furnace entering coal quantity variable quantity in a second preset time period; determining a first average coal storage density based on the coal in-bunker amount variation, the coal out-bunker amount variation and the material level height variation data; determining a second average coal storage density based on the bunker entering coal quantity variation, the furnace entering coal quantity variation and the material level height variation data; determining a comprehensive average coal storage density based on the first average coal storage density, the second ...

Automatic cutting fluid supplementing device and control method

The invention discloses an automatic cutting fluid supplementing device and a control method, and belongs to the field of efficient machining of mechanical parts, the automatic cutting fluid supplementing device comprises a fluid supplementing tank with a liquid level meter and a liquid level height sensor, a cutting fluid mixing device for conveying cutting fluid with specific concentration to the fluid supplementing tank, and an electrical control unit arranged on the fluid supplementing tank, the liquid supplementing tank is used for containing and storing cutting fluid and communicates with cutting fluid supply pipes of all machine tools through cutting fluid output pipelines. The liquid level meter and the liquid level height sensor can detect the liquid level height information of the cutting fluid in the fluid supplementing tank in real time, and when it is found that the cutting fluid in the fluid supplementing tank is lack, the cutting fluid mixing device can be controlled by the ...

Failure point positioning method for semiconductor power device

The invention discloses a method for positioning a failure point of a semiconductor power device, and the method comprises the following steps: S1, carrying out the failure position analysis of the semiconductor power device, and positioning a target region on the semiconductor device through an enhanced phase-locked thermal imaging technology; s2, performing comprehensive protection on areas except the target position; s3, making a plurality of identifiers for the interior and the edge of the target area for marking the target area to facilitate positioning; s4, a thin beam of inert gas ions is used for penetrating through the metal layer at the position indicated by the ELITE system through a double-beam scanning electron microscope for imaging, gas flows on the sample so that a uniform flat-bottom opening can be formed in the device, and the double-beam scanning electron microscope is used for accurately stopping the ion milling process in a proper layer; s5, in the step S4, if the position ...

Polypropylene composite material as well as preparation method and application thereof

The invention discloses a polypropylene composite material, which comprises the following components: 90-99 parts of homopolymerized PP resin; 1-10 parts of high density polyethylene resin; 0.1 to 0.4 part of a nucleating agent; the nucleating agent is compounded by a sorbitol nucleating agent and an organic acid metal salt nucleating agent according to a weight ratio of (0.5-2): 1. By selecting the homopolymerized PP resin and adding a certain amount of the high-density polyethylene resin and the specific nucleating agent compounded by the sorbitol nucleating agent and the organic acid metal salt nucleating agent according to a certain proportion, the gas barrier property of the material can be remarkably improved, and meanwhile, the small molecule dissolved substances of the material are effectively reduced; the polypropylene composite material with good oxygen barrier performance and low n-hexane dissolution is prepared, and the application range of the polypropylene material in the ...

SUBSTANCE HAVING TYROSINE KINASE INHIBITORY ACTIVITY AND PREPARATION METHOD AND USE THEREOF

Disclosed in the invention are a substance having tyrosine kinase inhibitory activity and a preparation method and use thereof, wherein the substance is a compound having the structure of general formula (I) or the geometrical isomer and medicinal salt thereof. The invention, through tyrosine kinase inhibitory activity evaluation and related experiments, confirms that these compounds have a good tyrosine kinase inhibitory activity, and can inhibit a variety of tumour cells, and it can be developed into drugs for preventing and treating tumorous diseases, especially resisting liver cancer, lung cancer and neuroblastoma.

METHOD AND DEVICE FOR ACQUIRING DYNAMIC THREE-DIMENSIONAL IMAGE

Provided is a method for acquiring a dynamic three-dimensional image. The method for acquiring a dynamic three-dimensional image comprises: acquiring a movement posture of a terminal device; respectively collecting a depth image and a colour image by means of a depth camera and a colour camera; according to the movement posture of the terminal device and the depth image, performing quick segmentation and matching; according to the colour image, performing exact matching on a result of the quick segmentation and matching; and if there is an overlap between the acquired current image and a photographed image, performing fusion on the overlapping area through a fusion algorithm so as to generate a dynamic three-dimensional image. The present application can realise, with respect to the currently occurring defects existing in panoramic photography and surround photography, by means of adding a depth camera to a device and combining data of a mobile phone posture sensor and a colour image sensor ...

地面控制盒

水表

房屋模型（Z系列120平米2.5层）

Sound signal processing method and device, equipment and medium

The invention relates to a sound signal processing method and device, equipment and a medium, and relates to the technical field of audio processing. The method comprises the steps that a first sound signal collected by a sound collection module of an external device and a second sound signal sent to a display device by the external device are acquired, and the first sound signal comprises a user voice signal and a target audio signal played by the display device; determining the delay time between the original audio signal and the target audio signal in the second sound signal through a delay estimation method; filtering the target audio signal to determine a residual signal; and processing the first sound signal through the delay time, the residual signal and the original audio signal, and determining a user voice signal. According to the embodiment of the invention, by processing the first sound signal, a relatively accurate user voice signal can be obtained, so that when the user voice ...

Agricultural unmanned aerial vehicle suitable for multi-terrain landing

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an agricultural unmanned aerial vehicle suitable for multi-terrain landing, the agricultural unmanned aerial vehicle comprises a wing structure, a rectangular long groove is formed in the wing structure, and reinforcing supporting mechanisms are equidistantly mounted in the rectangular long groove; the unmanned aerial vehicle has the beneficial effects that the landing buffering mechanism is arranged for buffering during landing, and the stabilizing ball, the L-shaped balance weight rod and the balance weight block are arranged at the bottom of the middle of the unmanned aerial vehicle body, so that the gravity center of the unmanned aerial vehicle body is effectively lowered, the gravity center is locked at the bottom of the middle of the unmanned aerial vehicle, landing is more stable, and the safety is improved. The device is suitable for landing on different terrains; according to the ...

GaN HEMT terahertz detector based on grid Schottky contact

The invention discloses a GaN HEMT (High Electron Mobility Transistor) terahertz detector based on grid Schottky contact. The preparation process of the device mainly comprises the steps of ICP etching, ultraviolet lithography, thermal evaporation, annealing, electron beam evaporation, stripping and the like. The structure of the device sequentially comprises a sapphire substrate, an AlGaN transition layer, a GaN buffer layer, an AlN spacing layer, an AlGaN barrier layer and a GaN cap layer from bottom to top. The two-dimensional electron gas of the GaN/AlGaN heterogeneous interface has ultrahigh electron mobility and can interact with terahertz waves to generate plasma resonance, so that the absorption of terahertz radiation is enhanced. In addition, the device integrates an excellent field intensity coupling effect of a logarithmic antenna, and regulation and control of device switching and terahertz response can be realized through a Schottky contact gate. The manufacturing process is ...

Sampling method for high-precision variance distribution of lattice-based password

The invention provides a lattice-based password high-precision variance distribution sampling method, which realizes high-precision variance distribution sampling by generating a sampling unit and a selection unit or an expansion coefficient and the like. According to the method, the variance with the high precision requirement can be provided, the constant sampling time is kept, the parameter design range of the lattice-based password is expanded, and corresponding physical attacks are resisted. The method has the following advantages: 1, the output sampling distribution can meet the precision required by variance, so that a wider range and a wider degree of freedom are provided for lattice-based password parameter selection; 2, the implementation mode of the invention can take central binomial distribution as a basic module, and the space efficiency and the time efficiency of sampling implementation are relatively high; 3, sampling can be realized in constant time after the variance is ...

SOCKET, SOCKET SYSTEM, BINDING POST ASSEMBLY, INTELLIGENT TERMINAL HOUSING, AND INTELLIGENT APPARATUS CONTROL DEVICE AND SYSTEM

The present invention provides a socket, a socket system, a binding post assembly, an intelligent terminal housing, and an intelligent apparatus control device and system related to the technical field of socket systems. The invention resolves issues arising from a socket with a large overall structure size. The socket comprises: a bottom housing and a face plate fastened to each other, and a circuit board, an isolation structure, and a conductor disposed between the bottom housing and the face plate. A first socket opening is provided on the face plate. The isolation structure comprises a protective sleeve and a baseplate. The protective sleeve and the baseplate are connected to each other and enclose a high voltage electricity isolation zone. The conductor is located within the high voltage electricity isolation zone. An opening of the isolation structure faces the face plate. An isolation hole is provided on the circuit board. A side of the protective sleeve disposed away from the baseplate ...

Ultrasonic transducer driving method, device and equipment and storage medium

The invention relates to the technical field of ultrasonic transducers, in particular to an ultrasonic transducer driving method, device and equipment and a storage medium, and the method comprises the steps: generating an initial sine wave according to excitation frequency information and a preset excitation frequency proportion value, and obtaining an excitation frequency proportion value according to the initial sine wave; comparing the excitation frequency ratio with a preset excitation frequency ratio to obtain a comparison result; and adjusting the initial sine wave based on the comparison result, and driving the target ultrasonic transducer according to the adjusted sine wave. According to the invention, the excitation frequency ratio of the initial sine wave is determined, the excitation frequency ratio is compared with the preset excitation frequency ratio, and then the initial sine wave is adjusted based on the comparison result. According to the invention, the initial sine wave ...

Automatic batching system for whole-core flame-retardant conveying belt

The invention provides an automatic batching system for a whole-core flame-retardant conveyor belt, which comprises a core paste bin, a core paste auxiliary material bin, a liquid bin, a cover rubber bin, a stirring kettle, a mixing unit, a weighing unit and a control unit, a weightlessness weightometer is arranged in the core paste bin, and the weighing unit is respectively communicated with the core paste auxiliary material bin, the liquid bin and the cover rubber bin; the core paste bin, the core paste auxiliary material bin and the liquid bin are communicated with the stirring kettle; the cover glue bin and the liquid bin are communicated with the mixing unit; and the control unit is connected with the stirring kettle, the mixing unit, the weighing unit and each stock bin. The batching system is provided with the core paste stock bin, the main material paste resin of the core paste is independently supplied, and the weightlessness weighing meter is arranged in the batching system, so ...

Heat conduction oil treatment system, physical energy storage system and heat conduction oil treatment method

The embodiment of the invention relates to a heat conduction oil treatment system and method and a physical energy storage system. The heat conduction oil treatment system comprises a compression energy storage part which comprises a compressor and a heat exchanger, a hot side channel of the heat exchanger is connected with a working medium outlet of the compressor, and a working medium inlet of the compressor is used for receiving a working medium, so that the working medium flows into the hot side channel of the heat exchanger for heat exchange and cooling after being compressed and heated by the compressor; the first pipeline is connected between a heat conduction oil outlet of the cold storage tank and a heat conduction oil inlet of the heat storage tank, the second pipeline is connected between a heat conduction oil outlet of the heat storage tank and the heat conduction oil inlet of the cold storage tank, and the first pipeline is communicated with the cold side channel of the first ...

POLYSTYRENE COMPOSITION AND APPLICATION THEREOF

Disclosed are a polystyrene composition and application thereof. The polystyrene composition comprises the following components: 35-93 parts of transparent polystyrene, 5-40 parts of flexibilizer A, 1-30 parts of flexibilizer B, and 0.1-3 parts of light diffusing agent. According to the present invention, by using a compounded system consisting of the flexibilizer A having a large particle size and the flexibilizer B having a small particle size, the prepared polystyrene composition can effectively improve transverse and longitudinal toughness of a material without affecting an optical effect thereof, and can meet current requirements for production and use of LED lamp covers in the industry by means of simulation and evaluation. Moreover, compared with a conventional PC-based LED lamp cover material, the polystyrene composition greatly reduces costs, is easy to process, and facilitates popularization and application.

TCT CLAMPED CEMENTED CARBIDE CIRCULAR SAW BLADE

A TCT clamped cemented carbide circular saw blade, comprising a saw blade body (1) and toothed holders (8) having blades (2) mounted thereon. A radial positioning elevation (9) of the toothed holder (8) that matches the blade (2) is provided with a positioning protrusion or positioning groove (3). The blade (2) is provided with a groove or protrusion (5) matching the positioning protrusion or positioning groove (3) on the toothed holder (8). The toothed holder (8) is provided with a threaded hole (4), in which a fastening screw (7) is mounted. An angle between the center line of the threaded hole (4) and the positioning elevation (9) ranges from 45° to 90°. As compared with the prior art, in the TCT clamped cemented carbide circular saw blade, the fastening screw and the blade constitute an oblique fastened construction, thereby reducing the difficulty in machining by using the blades and the saw blade body and implementing easy and quick installation.

HOMODIMER OF INSULINOTROPIC PEPTIDE ANALOGUES AND METHOD FOR PREPARATION THEREOF AND USE THEREOF

Provided is a homodimer of insulinotropic peptide analogues and method for preparation thereof and use thereof, wherein the insulinotropic peptide analogue comprises GLP-1 and Exendin-4. The homodimer of insulinotropic peptide analogues of the invention is made by conjugating two identical insulinotropic peptide analogue molecules at the C-terminal Cys residues via disulfide bond or PEG molecule. The homodimer of insulinotropic peptide analogues of the invention has superior stability and biological activity in vivo, and prolonged half-life in the circulation, and can be used for the preparation of hypoglycemic drugs.

Donkey -hide gelatin piece drying -machine

... 本实用新型涉及阿胶的生产加工领域，提供了一种阿胶块烘干机，其包括箱体、热风机、料斗、传动带、控制面板，所述箱体一侧的上方设有进料口，另一侧的下方设有出料口，所述箱体两侧内壁安装有升降装置，所述升降装置之间安装有若干个滚动式干燥板，所述箱体顶部安装有热风循环系统，所述箱体内壁还设有温度感应器和若干根紫外线灯管，所述热风机安装在箱体外侧，所述热风机的输风仓伸入并安装在箱体内的底部，所述热风机的上方设有固定座，所述传送带安装在固定座上，所述传送带一端与进料口接触，所述料斗安装在固定座一侧且位于传送带另一端的上方，所述控制面板固定在传送带下方的固定座上。本实用新型高智能化、高效率、节省了资源与空间。 ...

Higher atmospheric pressure strength test device of accuracy

... 本实用新型提供种精确度较高的气压强度测试装置，包括测试装置本体，所述测试装置本体设置在手柄上，所述测试装置本体包括测试装置和测试装置二，所述测试装置和所述测试装置二通过旋转件连接，所述测试装置上设有容纳腔和LED显示表盘，所述容纳腔内设有伸缩驱动装置，气压传感器通过伸缩驱动装置安装在容纳腔内，所述测试装置二上设有测试仪，所述气压传感器电性连接控制单元，所述控制单元电性连接电源、伸缩驱动装置、旋转驱动装置和LED显示表盘，所述旋转驱动装置设置在旋转件内，该精确度较高的气压强度测试装置设计新颖，精确度高，使用方便。 ...

Intelligent construction site visual positioning management system based on Internet of Things

The invention relates to the technical field of intelligent construction sites, and discloses an Internet of Things-based intelligent construction site visual positioning management system, which comprises a data module, a safety monitoring module and an authority module, and is characterized in that the data module is used for collecting and transmitting data generated by a construction site, and the safety monitoring module is used for carrying out early warning management on construction safety of the construction site; the authority module divides personnel into first-level authority, second-level authority and third-level authority, the safety monitoring module performs visual monitoring on a construction site, sets a warning area and a dangerous area, and gives an alarm and notifies the second-level authority personnel and the first-level authority personnel when the warning area and the dangerous area have dangerous factors. According to the intelligent construction site visual positioning ...

Continuous automatic operation method and operation system for multiple 3D printing devices

The invention provides a continuous automatic operation method and system for multiple 3D printing devices, and belongs to the technical field of additive manufacturing, the continuous automatic operation system comprises no less than one 3D printing unit, no less than one cleaning unit and no less than one substrate standby unit, and the 3D printing units, the cleaning units and the substrate standby units are arranged at proper intervals and neatly arranged in rows; and the transfer system is used for enabling the closed transfer cabin to move transversely, longitudinally and up and down. In the prior art, after a construction bin is moved away, a closed inert gas environment in a printing bin is damaged, during reprinting, the printing bin needs to be subjected to gas washing again, continuous printing cannot be achieved, in the process that the construction bin is moved away from the printing bin and arrives at a piece taking bin, the upper portion is open, full-closed inert gas protection ...

Power grid operation and maintenance information early warning method based on big data

The invention discloses a power grid operation and maintenance information early warning method based on big data, and relates to the technical field of power distribution network operation and maintenance, and the method comprises the steps: building a power grid equipment evaluation index system in combination with power grid equipment characteristics and operation and maintenance experience, and determining the weight of each evaluation index in the power grid equipment evaluation system; actual values of all indexes of the power grid equipment are collected according to the power grid equipment evaluation index system; inputting the actual value into a preset power grid operation and maintenance prediction model to obtain a prediction value; and evaluating the health state of the power grid equipment according to the preset value and the weight of each evaluation index in the power grid equipment evaluation system. According to the method, the health state of the power equipment is ...

Method and device for monitoring state of PCF pore adjusting type fiber filter

The invention provides a state monitoring method and device for a PCF pore adjusting type fiber filter, and relates to the technical field of intelligent monitoring of filters. The method comprises the following steps: acquiring operation data of a PCF filter, and inputting the operation data into a pre-trained filter early warning model for performing operation state analysis to obtain a predicted operation state; wherein the filter early warning model learns to obtain the capability of analyzing the operation state of the PCF filter based on the operation data of the PCF filter; obtaining a feed pump start-stop monitoring output signal and a filter start-stop monitoring output signal of the PCF filter; and according to the predicted operation state, the feed pump start-stop monitoring output signal and the filter start-stop monitoring output signal, the operation state of the PCF filter is determined. The operation state of the PCF filter can be accurately monitored, the fault condition ...

Cleaning device for pipe production precipitates

The invention discloses a pipe production precipitate cleaning device which comprises a cutterhead mechanism and a cutterhead driving mechanism, the cutterhead mechanism comprises an annular cutterhead body, the annular cutterhead body is arranged on the outer side of an extruded pipe in a sleeving mode, the cutterhead driving mechanism is installed on a sizing sleeve, and the cutterhead driving mechanism is in transmission connection with the annular cutterhead body. The annular cutter head is additionally arranged between the die holder and the sizing sleeve, under the pushing action, the annular cutter head can move to the position of an extrusion opening of the die holder, a precipitate layer can be effectively cut off, the annular cutter head has the melting function, and therefore the extrusion opening of the die holder can be effectively cut off. The annular cutterhead can be used for a long time, and after the annular cutterhead is used for regularly cleaning the precipitate layer ...

Polypropylene composite material capable of being repeatedly foamed as well as preparation method and application of polypropylene composite material

The invention provides a polypropylene composite material capable of being repeatedly foamed as well as a preparation method and application thereof. The polypropylene composite material comprises the following components in parts by weight: 100 parts of polypropylene resin, 1-2 parts of an antioxidant, 0.5-1 part of an antioxidant synergist, 2-5 parts of a foaming agent and 0-0.5 part of other additives, the polypropylene resin is composed of low melt index linear polypropylene with a melt mass flow rate of 0.3-1.3 g/10min and high melt strength branched polypropylene with melt strength of 36-60cN; the antioxidant synergist is epoxy resin. High-melt-strength polypropylene and low-melt-strength polypropylene are matched to serve as a matrix to guarantee the blow molding processability of the polypropylene material, meanwhile, epoxy resin is added into an antioxidant system to serve as an antioxidant synergist, the activity of free radicals in a polypropylene chain segment is reduced, and ...

MOLECULAR SIEVE MODIFICATION METHOD AND CATALYTIC CRACKING CATALYST CONTAINING MOLECULAR SIEVE

The invention relates to a molecular sieve modification method and a catalytic cracking catalyst containing a molecular sieve. The method comprises: mixing a solution containing an ion of a Group IIIB metal in the periodic table, an organic complexing agent, and/or a dispersant and a precipitation agent, and stirring the same to form a suspension containing a precipitant of a Group IIIB element; and mixing the resulting precipitant and a molecular sieve slurry, stirring the same to obtain a mixed slurry containing the precipitant of the Group IIIB element and a molecular sieve, and performing spray drying and optional calcination, to obtain a modified molecular sieve. The catalyst comprises, as calculated based on the catalyst mass being 100%, 10-55% of a modified molecular sieve (on a dry basis), 10-80% of clay (on a dry basis), 0-40% of an inorganic oxide (on an oxide basis), and 5-40% of a binding agent (on an oxide basis). The catalyst has good activity stability and heavy metal contamination ...

CRYSTALLINE STRUCTURE OF MU OPIOID RECEPTOR (MOR) AGONIST AND PREPARATION METHOD THEREFOR

The invention provides a crystalline structure of mu opioid receptor (MOR) agonist and a preparation method therefor. Specifically, the invention provides (1S4S)-4-ethoxy-N-(2-((R)-9-(pyridine-2-yl)-6-oxaspiro [4.5] decano-9-yl) ethyl) -1,2,3,4-tetrahydronaphthalene-1-amine fumarate and a preparation method therefor. The crystalline form has good crystalline form stability, and is more suitable for clinical use.

Broken type square bundle pressing machine of binocular

... 本实用新型提供了种双筒破碎型方捆压捆机，包括第组刀滚筒装置、导向板，第组刀滚筒装置的滚筒上设有若于个交错排列的动刀，导向板上设有和动刀相适配的定刀；第组刀滚筒装置的滚筒上和导向板上还设有至少组垄沟捡拾装置；垄沟捡拾装置由导向板上的垄沟外罩内设有的垄沟定刀与滚筒上设有的垄沟动刀构成。本实用新型大幅提高了工作效率，降低使用成本，提高安全性。 ...

Mixed working medium multi-stage separation low-temperature refrigerating system and circulating method

The invention discloses a mixed working medium multi-stage separation low-temperature refrigerating system and a circulating method. The mixed working medium multi-stage separation low-temperature refrigerating system comprises a compressor, a first gas-liquid separator and a second gas-liquid separator. A refrigerant working medium at a high-pressure exhaust port of the compressor is condensed to form a gas-liquid two-phase mixed working medium, and one end of the high-pressure exhaust port is connected with a working medium inlet of the first gas-liquid separator; the first gas-liquid separator is used for separating the refrigerant working medium discharged by the compressor into a low-boiling-point component gaseous working medium and a high-boiling-point component liquid working medium; the second gas-liquid separator is used for separating the condensed gas-liquid two-phase mixed working medium discharged by the first gas-liquid separator, and a working medium inlet of the second ...

Insulation performance evaluation method and system for bus duct

The invention relates to a bus duct insulation performance evaluation method and system, and the method comprises the following steps: building an insulation performance attenuation model, and carrying out the analysis and processing of all data of a target bus duct, so as to obtain the insulation performance attenuation data of the target bus duct; detecting the target bus duct, and outputting resistance data of the target bus duct; and obtaining structure data and material data of the target bus duct. According to the insulation performance evaluation method and system of the bus duct, the insulation performance data of the bus duct is measured, the insulation performance of the bus duct and the attenuation material data of the material of the bus duct are combined through the model, the influence of the working environment data of the bus duct on the material data is combined, and the influence of the structure data of the bus duct on the environment data is combined; the final insulation ...

Organic phase regeneration single-stage gravity mixing clarifier

The invention belongs to the technical field of gravity mixing clarifiers, and particularly relates to an organic phase regeneration single-stage gravity mixing clarifier. The organic phase regeneration single-stage gravity mixing clarifier comprises two stages of regeneration tanks which are connected, the first stage of the two-stage regeneration tank is a mixed clarification stage, and the second stage of the two-stage regeneration tank is a clarification stage; the mixing and clarifying stage comprises a 1 # mixing chamber, a 2 # mixing chamber and a clarifying chamber which are connected one by one; the 1 # mixing chamber adopts impeller type stirring, and the 2 # mixing chamber adopts flat paddle type stirring; and the clarification stage is used for standing layering of an organic phase and a water phase. Compared with the prior art, impurities in the organic phase of the extraction agent can be effectively removed, the impurity removal and regeneration efficiency of the extraction ...

Direct current side insulation detection circuit and method of energy storage system and energy storage system

The invention provides an energy storage system direct current side insulation detection circuit and method and an energy storage system. The circuit comprises a first resistor, a second resistor, a third resistor, a first switch and an isolation sampling circuit. The first end of the first resistor is electrically connected with a positive bus on the direct-current side of the energy storage system, the second end of the first resistor is electrically connected with the first end of the second resistor and the first end of the third resistor, the second end of the second resistor is electrically connected with a negative bus on the direct-current side of the energy storage system, the second end of the third resistor is grounded, and the first switch is connected with the second resistor in parallel; the first input end of the isolation sampling circuit is electrically connected with the second end of the third resistor, the second input end of the isolation sampling circuit is electrically ...

Method for evaluating primary frequency modulation capability of thermal power generating unit in dynamic process

The invention discloses a method for evaluating the primary frequency modulation capability of a thermal power generating unit in a dynamic process, and the method comprises the steps: firstly, building a single decoupling model of a steam turbine, and carrying out the parameter identification of the model according to historical data; thirdly, according to boiler outlet cold fluid working medium heat storage and boiler metal heat storage, overall heat storage of the boiler is calculated, and a dynamic response process equation of the primary frequency modulation performance of the steam turbine is obtained; and finally, combining the heat storage capacity increment with the steam turbine model to obtain primary frequency modulation capability prediction.

Fiber dipping device

The invention discloses a fiber impregnation device which is used for producing continuous fiber reinforced composite material tows and comprises an impregnation mold and a bundle splitting mold. A dipping runner extending in the length direction of the fiber dipping device is arranged in the dipping mold. The beam splitting mold is arranged on the downstream portion of the dipping mold and connected with the dipping mold, a plurality of through hole flow channels extending in the length direction are formed in the beam splitting mold, and the through hole flow channels communicate with the dipping flow channels. Wherein the plurality of through hole runners can correspond to a plurality of strands of continuous fiber bundles, and the dipping mold is used for carrying out filament spreading and pre-dipping on the plurality of strands of continuous fiber bundles. According to the fiber impregnation device, the continuous fiber bundles are expanded in the impregnation runner and are impregnated ...

MIXING TUBE AND EXHAUST GAS TREATMENT DEVICE THEREOF

A mixing tube (24) has a hollow structure. An airflow inlet is formed on one end of the mixing tube (24) and another end of the mixing tube is blocked; an end surface of the mixing tube (24) is in a spiral shape, and an airflow outlet extending axially is provided on an outer wall of the mixing tube (24) so as to form an air discharging vortex. Also disclosed is an air discharging processing device having the mixing tube; the mixing tube and the air discharging processing device increase a travelling distance of the airflow in a limited space, increasing a distance for evaporation of urea drops, improving the evaporation rate and mixing uniformity, thus reducing the risk of urea crystallization.

LOW TEMPERATURE PLASMA REACTION DEVICE AND HYDROGEN SULPHIDE DECOMPOSITION METHOD

A low temperature plasma reaction device and a hydrogen sulphide decomposition method, the reaction device comprising: a first cavity (1); a second cavity (2), the second cavity (2) being embedded inside or outside the first cavity (1); an inner electrode (3), the inner electrode being arranged in the first cavity (1); an outer electrode (4); and a barrier medium arranged between the outer electrode and the inner electrode. The hydrogen sulphide decomposition method comprises: implementing dielectric barrier discharge at the outer electrode (4) and the inner electrode (3) of the low temperature plasma reaction device, introducing a raw material gas containing hydrogen sulphide into the first cavity (1) to implement a hydrogen sulphide decomposition reaction, and continuously introducing a thermally conductive medium into the second cavity (2) in order to control the temperature of the first cavity (1) of the low temperature plasma reaction device.

PLASMA REACTION DEVICE AND METHOD FOR DECOMPOSING HYDROGEN SULFIDE

A plasma reaction device and a method for decomposing hydrogen sulfide, comprising: a first cavity (1), and a second cavity (2) which is embedded at the exterior of the first cavity (1); a high-voltage electrode (3) and a grounding electrode (4) which are provided in the first cavity (1); a barrier medium, the barrier medium being provided at an outer surface of the high-voltage electrode (3) and/or the grounding electrode (4).

Horn mouth support adjusting tool

The utility model discloses a horn mouth support adjusting tool which comprises a measuring rod and a copper sleeve, the measuring rod is a cylinder, the length of the measuring rod is not less than twice of the length of a cigarette, the diameter of one end of the measuring rod is equal to the diameter of a standard cigarette, and the diameter of the other end of the measuring rod is 0.10 mm smaller than the diameter of the cigarette; the copper sleeve is a cylinder with a cylindrical hole in the axis, a groove is formed in the side face of the copper sleeve, and the length direction of the groove is parallel to the axis of the copper sleeve. The measuring bar is in clearance fit with the cylindrical hole in the copper sleeve, so that the copper sleeve is sleeved on the measuring bar and can slide on the measuring bar; the copper sleeve is provided with a cutting calibration opening, and the cutting calibration opening is located in the middle of the side face of the copper sleeve. When ...

Track processing method and device, storage medium and electronic equipment

The embodiment of the invention discloses a trajectory processing method and device, a storage medium and electronic equipment, and the method comprises the steps: carrying out the trajectory point matching of all vehicle travel trajectories, obtaining at least one similar travel trajectory group, carrying out the trajectory parameter constraint processing of all reference travel trajectories in the similar travel trajectory group, and obtaining at least one reference travel trajectory group; and obtaining processed regular travel track groups, and determining a target regular travel track based on each regular travel track group.

SYSTEM AND METHOD FOR DETECTING ELECTRODE SHEET OF PACK FLEXIBLE PACKAGING BATTERY

A system and method for detecting an electrode sheet of a PACK flexible packaging battery, relating to the technical field of PACK batteries. The system comprises a bus plate and a distance measurement sensor, wherein through slots are arranged on the bus plate, and electrode sheets of a battery to be detected are inserted into the through slots during detection; and the distance measurement sensor directly faces protruding portions of the electrode sheets of the battery to be detected after passing through the through slots, and is used for measuring the distance between the distance measurement sensor and a protruding portion of an electrode sheet nearest to the distance measurement sensor. By means of inserting electrode sheets of a battery to be detected into through slots of a bus plate, and then using a distance measurement sensor to measure the distance between protruding portions of the electrode sheets after passing through the bus plate and the distance measurement sensor so as ...

THREE-DIMENSIONAL GESTURE UNLOCKING METHOD, METHOD FOR ACQUIRING GESTURE IMAGE, AND TERMINAL DEVICE

Disclosed are a three-dimensional gesture unlocking method, a method for acquiring a gesture image, and a terminal device. The three-dimensional gesture unlocking method comprises: acquiring a current gesture image of a user; acquiring, according to the current gesture image, contour data of a current gesture in the current gesture image; determining, according to the contour data of the current gesture, fingertip pixel dots of the current gesture and/or finger pixel dots of the current gesture; determining, according to the fingertip pixel dots of the current gesture and/or the finger pixel dots of the current gesture, feature data of the current gesture; and when the feature data of the current gesture successfully matches feature data of a pre-set gesture, unlocking the terminal device. The three-dimensional gesture unlocking method in the embodiment of the present application provides the user with a brand new way of unlocking with a high level of interest, high accuracy and good rapidity ...

Donkey -hide gelatin jujube reason material machine

... 本实用新型公开了一种阿胶枣理料机，包括壳体和搅拌叶，所述壳体内腔顶部的中端设有温度传感器，所述壳体内腔的上端设有第一挡板，所述壳体内腔的下端设有振动筛，所述振动筛通过皮带与振动电机传动连接，所述振动电机设于壳体外表面右侧的下端，所述壳体外表面的底部设有支撑腿，所述支撑腿外表面的底部设有滚轮，所述壳体外表面左侧的底部设有第一出料口，所述第一出料口外表面的底部设有第一支撑板，所述壳体外表面左侧的下端设有第二出料口，所述第二出料口外表面的底部设有第二支撑板，所述壳体外表面左侧的上端设有第三支撑板。该阿胶枣理料机设置了搅拌叶，可保证阿胶枣的松散度，方便阿胶枣的理料作业。 ...

Tobacco shred mixing device

The invention discloses a tobacco shred mixing device which comprises a rotary drum, a tobacco shred conveying device and a tobacco shred conveying device, the rotary drum is internally provided with a containing space used for containing tobacco shreds, one side of the rotary drum is provided with a tobacco shred inlet, and a tobacco shred outlet is formed below the tobacco shred inlet; the air inlet is formed in one side, far away from the tobacco shred inlet, of the rotary drum; the driving part is used for driving the rotary drum to rotate around the axial direction; the stirring blades are arranged on the inner wall of the rotary drum, the stirring blades extend in the axis direction of the rotary drum, the stirring blades have upward inclination angles in the direction from the tobacco shred inlet to the air inlet, the number of the stirring blades is at least three, and the stirring blades are evenly arranged in the circumferential direction of the rotary drum at intervals. Compared ...

Method for improving mass transfer efficiency of guar gum fractured well coal bed gas through heat injection

The invention relates to the technical field of development of low-temperature oil and gas reservoirs such as coal bed gas, in particular to a method for improving mass transfer efficiency of guar gum fractured well coal bed gas through heat injection, which comprises the following steps: analyzing reservoir water components, preparing simulated reservoir water, exploiting a sensitivity experiment, and determining proper experiment and operation parameters. Simulated reservoir water and prepared acid liquor and alkali liquor are used for evaluating the speed sensitivity, acid sensitivity and alkali sensitivity of a coal rock sample so as to determine appropriate injection and production speed, pH value range and the like, as a coal seam contains a large amount of water, no new damage is caused when hot water, especially hot water compatible with the reservoir water, is injected, the temperature of the reservoir and fluid can be effectively increased, and the temperature of the reservoir ...

Energy-saving numerical control bending machine capable of conducting sectional bending

The energy-saving numerical control bending machine comprises a bending machine box, and a segmented bending assembly is arranged on the left side of the interior of the bending machine box and used for conducting segmented bending on a metal plate; the segmented bending assembly comprises two sets of overturning motors, two sets of overturning supports are arranged on the inner sides of the overturning motors, three sets of embedding sliding grooves are formed in the inner sides of the overturning supports, stepping lead screws are installed in the embedding sliding grooves in an embedded mode, stepping motors are arranged on the outer sides of the stepping lead screws, and the stepping motors are arranged on the outer sides of the stepping lead screws. And a sliding seat is arranged on the outer side of the stepping motor. According to the numerical control bending machine, the segmented bending assembly is installed, segmented bending is conducted through different areas of a segmented ...

RECOMBINANT KOD POLYMERASE

Provided is a recombinant KOD polymerase, which is a protein represented by A) below, or a derivative thereof. The protein represented by A) is a protein having a DNA polymerase activity and obtained by modifying amino acid residues at position 408 and position 409 in a wild type KOD DNA polymerase amino acid sequence. The derivative of the protein represented by A) is a protein which adds a tag sequence to the tail of the amino acid sequence of the protein represented by A), has a DNA polymerase activity, and is derived by A). A DNA polymerase mutant shows better polymerization activity, is not easily adsorbed on the surface of a chip, and is easily eluted therefrom.

Novel can dismantle rail guard crossbeam bearing structure

... 本实用新型是种新型可拆卸防护栏横梁支撑结构，包括横梁支撑槽钢、横梁支撑角铁，横梁支撑角铁为L型结构，横梁支撑槽钢的两端焊接在横梁支撑角铁的L型结构的竖直部分处，横梁支撑槽钢的顶部设有螺栓组件，横梁支撑角铁的L型结构的水平部分的中心设有圆孔，圆孔外侧焊接有固定螺母，固定螺母下方设有锁紧螺母和锁紧螺栓，锁紧螺母装配于锁紧螺栓上，同拧入固定螺母内，本实用新型拆卸简单、安装简单，易上手，单人即可装配，可通用，避免了在牵引车横梁上平面钻孔，避免了安全隐患。 ...

Electricity-to-gas station capacity configuration method considering life cycle cost of water electrolysis equipment

The invention discloses a power-to-gas station capacity configuration method considering the life cycle cost of water electrolysis equipment, and solves the problem that the economic benefit calculation of the power-to-gas station is inaccurate due to the fact that the service life of the water electrolysis equipment is not considered when the capacity configuration is carried out on the power-to-gas station in the prior art. The method comprises the following steps: S1, establishing a water electrolysis equipment life cycle cost evaluation model considering the power fluctuation influence; s2, on the basis of the life cycle cost evaluation model, combining with an equipment model in the power-to-gas field station to construct a power-to-gas field station model; s3, based on the power-to-gas station model in the S2, establishing a power-gas integrated energy system optimization planning model containing a power-to-gas station; and S4, solving the power-gas integrated energy system optimization ...

Pyrolysis recovery device utilizing high-temperature flue gas

The invention relates to a pyrolysis recovery device utilizing high-temperature flue gas, which comprises a crusher, a first pneumatic conveying device, a first feeding pipe, a pyrolysis pipe and a first dust remover, the crusher is provided with a feeding port and a discharging port, the first pneumatic conveying device is provided with a first inlet, a first gas inlet and a first outlet, the first inlet is communicated with the discharging port, and the first gas inlet is communicated with the discharging port; the first gas inlet is used for being connected with a first carrier gas source, a first outlet of the first pneumatic conveying equipment is communicated with the first feeding pipe so as to convey materials at the discharging port into the first feeding pipe, an inlet of the pyrolysis pipe is communicated with the first feeding pipe, the pyrolysis pipe is arranged in the high-temperature flue, and an outlet of the pyrolysis pipe is located outside the high-temperature flue; the ...

On-road parking abnormal behavior inspection method

The embodiment of the invention relates to the technical field of road parking management, in particular to an in-road parking abnormal behavior inspection method. The method comprises the following steps: acquiring on-road parking information; abnormal behavior information is intelligently detected and extracted based on curb parking information; sending out abnormal behavior early warning information according to the abnormal behavior information; and acquiring on-site checking information corresponding to the abnormal behavior early warning information. And on-site patrol and management personnel carry out targeted patrol inspection according to the abnormal behavior early warning information checked and received on the terminal. According to the method, related data can be fused, field checking information and curb parking information are checked, the checked field checking information is updated to the corresponding curb parking information, and polling data, equipment acquisition ...

Method and device for processing vehicle application software, vehicle and storage medium

The invention provides a method and device for processing vehicle application software, a vehicle and a storage medium, and the method comprises the steps that an application server determines a connection state with a target vehicle according to a received application state adjustment instruction sent by a terminal, and the connection state represents whether the target vehicle is online or not; under the condition that the target vehicle is not online, the application server can also send a starting instruction to the application state adjusting device; the central computing platform starts an application state adjusting device according to the starting instruction; the application server sends the application state adjusting instruction to the central computing platform or the application state adjusting device; and the application state adjusting device adjusts the state of the application software according to the application state adjusting instruction. According to the method, the ...

COMPOSITE FLAME RETARDANT, PREPARATION METHOD AND APPLICATION THEREOF

A composite flame retardant comprises the following components in percentage by weight: 40%-70% of brominated flame retardant, 2%-10% of phosphorus flame retardant, 20%-50% of flame retardant synergist, optionally 0%-0.5% of anti-drop agent, optionally 0%-2% of dispersing agent and optionally 0%-2% of processing agent. The preparation method of the composite flame retardant comprises the following steps: a: fully mixing materials according to a proportion in a high-speed mixer for 2-10 minutes at a rotary speed of 200-800r/minute; and b: adding the phosphorus flame retardant into a preceding mixture while stirring, and fully mixing at the rotary speed of 500-1500r/minute. The composite flame retardant is applied to a thermoplastic resin and a thermoplastic resin alloy; the composite flame retardant and the thermoplastic resin and/or the thermoplastic resin alloy are melted and blended.

PREPARATION DEVICE AND METHOD FOR OPTICAL FIBER PREFORM

A preparation device and method for an optical fiber preform. The preparation device comprises a reaction cavity, a clamping mechanism and a driving mechanism. The clamping mechanism is configured to fix a target rod. The driving mechanism is configured to drive the clamping mechanism to rotate around a vertical axis and move up and down along the vertical direction. A partition portion is provided in the reaction cavity, and the partition portion separates the reaction cavity to form a first chamber, a second chamber and a third chamber which are sequentially arranged from bottom to top. The target rod can be placed in the first chamber, the second chamber or the third chamber after moving along the vertical direction. The first chamber is configured to deposit a loose body on the target rod by using a VAD method. The second chamber is configured to perform dehydration and sintering treatment on the loose body to obtain the optical fiber preform. The third chamber is configured to perform ...

Cover plate lifting device

The utility model relates to a cover plate lifting device which comprises a mounting mechanism, a lifting mechanism and a lifting mechanism, the pulley mechanism is arranged on the mounting mechanism in a horizontal moving manner; the object taking mechanism comprises mounting pieces, traction pieces, limiting pieces and connecting pieces, the mounting pieces are connected with the traction pieces and the connecting pieces respectively, the connecting pieces are connected to the limiting pieces in a one-to-one correspondence mode, and the mounting pieces and the connecting pieces are each configured to be at least three sets; and the traction piece is connected with the pulley mechanism so as to adjust the distance of the limiting piece relative to the ground by pulling the traction piece. According to the technical scheme, the labor intensity of manual lifting of the cover plate can be effectively reduced, in addition, the position of the cover plate can be rapidly and conveniently adjusted ...

PVB (polyvinyl butyral) membrane production process

The invention discloses a PVB (Polyvinyl Butyral) membrane production process, which is characterized in that PVB resin powder, a glass bonding strength regulator, an aqueous solution additive and the like are premixed in the early stage, the whole process approximately needs more than 15 minutes, and the resin powder and the liquid glass bonding strength regulator are fully absorbed and uniformly dispersed; the performance of the PVB membrane is qualitatively improved, and the uniformity and balance of the performance are realized; meanwhile, a forced feeding single-screw production process is adopted, so that stable extrusion can be realized, the quality is reliable, the product is sound-proof and heat-proof, and the quality of the product is favorably improved.

Method for overcoming surface oil spot defect of IF steel continuous annealing plate after marine transportation

The invention provides a method for overcoming the surface oil spot defect of an IF steel continuously-annealed plate after sea transportation, and belongs to the technical field of IF steel surface quality control. The method comprises the steps that molten steel is smelted and then subjected to continuous casting, and a plate blank is obtained; the plate blank is heated and hot-rolled, and a hot-rolled plate is obtained; the hot-rolled plate is subjected to acid pickling, cold rolling, continuous annealing, coiling, flattening and oil coating, and a finished IF steel continuous annealing plate product is obtained; the molten steel is prepared from the following chemical components in percentage by mass: 0.015 to 0.02 percent of C, 0.02 to 0.05 percent of Al, 0.1 to 0.2 percent of Mn, 0.05 to 0.07 percent of Si, 0.06 to 0.08 percent of Ti and 0.005 to 0.01 percent of Sb. According to the method, by controlling the components of the smelted molten steel, the corrosion resistance of an existing ...

Heterogeneous robot cooperation method

The embodiment of the invention provides a heterogeneous robot cooperation method, which is used for providing a fast modeling robot planning and control problem solution, and comprises the following steps: adopting a machine learning method to train a plurality of groups of heterogeneous robots for cooperation, and enabling the same group of robots to share machine learning training parameters in the training process, the robots in the same group execute the same task; at least two robots in the multiple groups of heterogeneous robots meet the condition that the robots belong to the same group and are heterogeneous robots with different performance parameters. The multi-group heterogeneous robots are trained by using the machine learning method, so that the multi-group heterogeneous robots can cooperate, and compared with a scheme of performing programming modeling on each group of robots one by one, the modeling process is simple, and a large amount of time is saved. And by using machine ...

Stepped first-order fuzzy prediction control method and device

The invention provides a stepped first-order fuzzy prediction control method and device, and the method comprises the steps: obtaining a plurality of prediction control components according to a preset condition of a control effect; based on the process output value at the t-th moment, the control quantity output value at the t-th moment and the plurality of predictive control components, obtaining process output predictive values at the (t + N)-th moment corresponding to the plurality of predictive control components; according to the process output predicted values at the (t + N) th moment corresponding to the plurality of prediction control components, obtaining prediction control deviations and deviation change rates of the process output at the (t + N) th moment corresponding to the plurality of prediction control components; determining a first predictive control component based on the predictive control deviation and deviation change rate of process output at the (t + N) th moment ...

Target positioning and extracting method and device and computer readable storage medium

The invention provides a target positioning and extracting method and device and a computer readable storage medium, and the method comprises the steps: employing a multilayer trunk feature neural network to extract the features of a multi-feature SAR image, determining at least one of a first loss function value, a second loss function value and a third loss function value through at least one of a positioning head neural network, a semantic segmentation neural network and a semantic completion neural network; reversely propagating at least one of the three loss function values to adjust at least one of the multi-layer trunk feature neural network, the positioning head neural network and the semantic segmentation neural network; and positioning and extracting the target area in the SAR image until the whole deep neural network converges. According to the method, the multi-feature SAR image is constructed by extracting the significant difference features of oil spill, so that positioning ...

VIDEO SIGNAL ADJUSTMENT MODULE AND ADJUSTMENT METHOD

A video signal adjustment module and adjustment method, the video signal adjustment module comprising a first impedance matching circuit, a second impedance matching circuit, a handover switch, and a processing unit. The video signal adjustment module is electrically connected between a tuner and a video decoder of a video processing system, and, by means of the processing unit, receives and determines whether the output amplitude of the video signal is lower than a standard value, and correspondingly controls the handover switch performing handover between the first impedance matching circuit and the second impedance matching circuit, causing impedance matching to be implemented between the tuner outputting the video signal and the video decoder receiving the video signal, such that the output amplitude of the video signal reaches the standard value, and the occurrence of image distortion (e.g. the picture is too dim or too bright) is avoided.

DEVICE AND METHOD FOR REMOVING MICRO-MOLECULES IN POLYSILOXANE

A device and a method for removing micro-molecules in polysiloxane. The device comprises an evaporator and an extractor. A heating and stirring unit is provided on a bottom portion of the extractor; a condenser is provided on an upper portion of the extractor; the extractor is divided into three sections, namely, an extraction area, a phase separation area, and a medium return area from bottom to top; the medium return area is communicated with a central portion of the evaporator through a liquid backflow tube; and the condenser is communicated with an upper portion of the evaporator through a steam guide tube. Polysiloxane to be extracted is added to the extraction area of the extractor, an extraction medium is added to the extractor, and the extraction medium is also added to the evaporator, heating and stirring are carried out, and the condenser is started for implementing backflow circulation of the extraction medium; and the extraction time is controlled to be above 6 hours after the ...

METHOD, DEVICE AND SYSTEM FOR UPLOADING FILE TO CLOUD DISK, AND CLOUD DISK SERVER

A method, device and system for uploading a file to a cloud disk, and a cloud disk server. The method comprises: when a pre-set trigger operation of a user conducted on a file is detected, generating and displaying a two-dimensional code carrying file information, and acquiring a current path of the file, and after the two-dimensional code is scanned by a scanning terminal, sending, by the scanning terminal, the file information carried by the two-dimensional code to a cloud disk server (S101); receiving a request sent by the cloud disk server for uploading the file using a cloud disk account number corresponding to an identifier of the scanning terminal (S102); and according to the request sent by the cloud disk server, uploading the file to the cloud disk server in accordance with the current path of the file (S103). The method, device and system for uploading a file to a cloud disk based on a two-dimensional code, and the cloud disk server could upload a file to a cloud disk by means ...

Belt scale metering control method and system, electronic equipment and storage medium

The invention belongs to the technical field of logistics, and provides a belt scale metering control method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining metering entrustment information sent by a logistics end, generating a metering scale sheet based on the metering entrustment information, unlocking a target control function, and achieving the metering control of a belt scale through the target control function. And controlling the target belt weigher to execute metering operation to obtain metering data, inputting the metering data into the metering scale sheet, and sending the metering scale sheet to a preset storage position. Metering control is integrated to the metering end, the metering end can position specific metering requirements in the whole process through the metering entrusting information sent by the logistics end for the first time, the metering control process of the belt weigher is effectively simplified, time error ...

Movable high-ground-temperature tunnel heat insulation and cooling system and cooling method

The movable high-ground-temperature tunnel heat insulation and cooling system comprises an arc-shaped framework, a refrigerant heat exchange device and a walking mechanism, the shape of the arc-shaped framework is matched with the inner contour of a tunnel, a construction area is defined by the arc-shaped framework and the tunnel ground, and a heat insulation layer is installed on the side, facing the inner wall of the tunnel, of the arc-shaped framework; the arc-shaped framework is connected to the inner wall of the tunnel through a walking mechanism arranged in the longitudinal direction of the tunnel, and the arc-shaped framework moves in the longitudinal direction of the tunnel through the walking mechanism. Heat dissipation can be effectively reduced, and the temperature of the working space can be effectively and evenly reduced.

VIDEO DATA TRANSMISSION METHOD, APPARATUS AND COMMUNICATION DEVICE

Embodiments of the present invention provide a video data transmission method, a video data transmission apparatus and a communication device, which relate to the field of terminals. The method comprises: a second communication device receiving a video call request sent by a first communication device; determining whether media capability information of the first communication device matches media capability information of the second communication device; when the media capability information of the second communication device does not match the media capability information of the first communication device, and the media capability information of the second communication device and the media capability information of the first communication device comprise the same audio call frequency, establishing a session description protocol (SDP) acknowledgement message, and sending the SDP acknowledgement message to the first communication device, so that the first communication device and the second ...

Single-component polyurethane mortar mixture and preparation method thereof

The invention belongs to the technical field of road engineering, and particularly discloses a single-component polyurethane mortar mixture and a preparation method thereof. The preparation method has the characteristics that the grading, the preparation method, the performance requirements and the like of the single-component polyurethane mortar mixture are clearly explained and stipulated. The grading of the single-component polyurethane mortar mixture and the design of the polyurethane content do not take the volume index as the standard, but are based on the performance index of the single-component polyurethane mortar mixture. According to the preparation of the single-component polyurethane mortar mixture, a reasonable forming process and curing conditions are determined according to the strength forming characteristics and influence factors of the single-component wet-curing polyurethane, so that the polyurethane is completely cured, and the performance of a test piece is not influenced ...

HELP-SEEKING METHOD AND DEVICE BASED ON EXPRESSION RECOGNITION, ELECTRONIC APPARATUS AND STORAGE MEDIUM

Provided are a method and device based on expression recognition, an electronic apparatus and a storage medium. The method comprises: acquiring a facial image sequence of a user; extracting a motion feature from the facial image sequence; determining, according to a mapping relationship between the motion feature and an emotion category, whether the motion feature belongs to a target category; and if so, sending a preset help-seeking signal to a preset platform. The invention enables an emotional state of a user to be analyzed according to a change in an expression of the user, and a help-seeking signal can be automatically generated when unusual emotion of the user is identified, thereby realizing a secret help-seeking action, and ensuring personal and property safety of the user.

Integrated high-low pressure limit valve

The utility model relates to the field of control valves, and discloses an integrated high-low pressure limiting valve which is used for controlling opening and closing of a gas conveying pipeline according to gas pressure of the gas conveying pipeline. The movable unit is arranged in the shell, receives preset pressure provided by hydraulic oil arranged in the shell, and moves according to the difference value between the air pressure of the gas conveying pipeline and the preset pressure; and the control unit is connected with the movable unit and a safety valve for controlling the opening and closing of the gas transmission pipeline, and controls the safety valve to open and close the gas transmission pipeline according to the position of the movable unit. High-low pressure limiting of the acid gas pipeline is achieved through hydraulic pressure, the pressure limiting value is visual and controllable, the pressure control precision of the acid gas pipeline is improved, and the period ...

Incremental differential control configuration method and system

The invention provides an incremental differential control configuration method and system. The method comprises the following steps: calculating a position differential value of an input parameter; calculating a differential value of the position differential value; according to the differential value and the differential initial value, calculating to obtain a current incremental differential value, and carrying out amplitude limiting on the current incremental differential value to obtain the current incremental differential value after amplitude limiting; wherein when the tracking mode is selected, the differential initial value is the position differential value; when the input mode is selected, the differential initial value is the incremental differential value obtained after amplitude limiting in the previous step; and outputting the current incremental differential value after amplitude limiting. Due to the adoption of the incremental type micro-grouping state method, sudden change ...

Aluminum alloy material for solar photovoltaic frame and preparation method thereof

The invention relates to the field of photovoltaic power generation, in particular to an aluminum alloy material for a solar photovoltaic frame and a preparation method thereof.The aluminum alloy is sequentially subjected to low-temperature anodic oxidation treatment, silanization of the surface of the anodic oxidation aluminum alloy through hybrid siloxane for primary vacuum impregnation treatment and vinyl functionalization of a zinc-based organic framework; then carrying out covalent binding with vinyl polysiloxane through free radical copolymerization; the preparation method comprises the following steps: firstly, preparing silicon dioxide microspheres with titanium dioxide as a shell layer, then aminating the silicon dioxide microspheres, and grafting the tail ends of the silicon dioxide microspheres by utilizing glycidyl furfuryl ether to obtain furan ring modified composite silicon dioxide microspheres; the thermally-induced self-repairing super-hydrophobic protective layer is prepared ...

Butterfly antenna integrated topological semimetal terahertz detector and preparation method thereof

The invention discloses a butterfly antenna integrated topological semimetal terahertz detector and a preparation method thereof. The preparation method of the device mainly comprises the steps of mechanical stripping, ultraviolet lithography, thermal evaporation coating, fixed-point transfer, ultrasonic wire leading and the like to form the topological semi-metal terahertz detector integrated with the butterfly-shaped antenna. The structure of the device sequentially comprises an intrinsic silicon substrate on the first layer, an oxide layer on the second layer, topological semimetal selenium tellurium nickel and butterfly antenna electrodes on the third layer and topological semimetal graphene on the fourth layer from bottom to top. The terahertz detector is formed by integrating a butterfly antenna and constructing a topological semimetal vertical heterojunction mode, the topological characteristics of the quantum state of the topological semimetal material can be adjusted, the purposes ...

OPIOID RECEPTOR (MOR) AGONIST SALT, FUMARATE SALT I CRYSTAL FORM THEREOF AND PREPARATION METHOD THEREOF

Relating to an opioid receptor agonist (1S,4S)-4-ethoxy-N-(2-((R)-9-(pyridin-2-yl)-6-oxaspiro[4.5]deca-9-yl)ethyl)-1,2,3,4-tetrahydronaphthalen-1-amine fumarate salt, a fumarate salt I crystal form thereof, and a preparation method and an application therefor.

COMPOSITE FLAME RETARDANT AND APPLICATION THEREOF

Disclosed are a composite flame retardant and the application thereof. The composite flame retardant comprises the following components in percentage by weight: 15-99% of a flame retardant, 1-85% of a synergist and 0-25% of other additives, wherein the synergist is an ammonium salt at least containing one NH4+, and the additives are a char-forming agent and/or a stabilizer. By means of adding a suitable synergist, the composite flame retardant of the present invention can significantly improve the flame retardant efficiency of a hypophosphite or alkyl hypophosphite flame retardant, and greatly reduce the amount of the hypophosphite or alkyl hypophosphite flame retardant used.

Multi -functional portable welding jig

... 本实用新型涉及种多功能便携式焊接夹具，包括底座、立柱、横杆和固定夹具，所述立柱固定在底座上，所述横杆的两端分别设置有水平位置调节器和竖直位置调节器，所述竖直位置调节器在立柱上竖直方向移动，所述固定夹具固定在水平位置调节器上，且水平位置调节器在横杆上水平方向移动。本实用新型的有益效果为：能实现平焊、横焊、立焊和仰焊，既可以焊接钢板，又可以焊接钢管，且可以拆卸，便于携行运输。 ...

Battery and preparation method thereof

The invention provides a battery and a preparation method thereof, and the method comprises the following steps: S1, providing a roll core group and a shell, and putting the roll core group into the shell; s2, correspondingly penetrating the positive tab of each roll core through a first tab hole of a cover plate assembly, correspondingly penetrating the negative tab of each roll core through a second tab hole of the cover plate assembly, and fixedly connecting the cover plate assembly with the opening of the shell; s3, pre-fixing the positive tabs penetrating through the first tab holes to form a positive tab group, and pre-fixing the negative tabs penetrating through the second tab holes to form a negative tab group; s4, fixedly connecting the positive tab group with the positive pole, and fixedly connecting the negative tab group with the negative pole; and S5, electrolyte is injected into the shell through a liquid injection hole of the cover plate assembly. The roll core is firstly ...

Performance detection device and method for medical electric drill

The invention relates to the technical field of electric drill detection, and discloses a medical electric drill performance detection device and method.The device comprises a workbench, the top of the workbench is provided with a containing assembly used for containing consumables, the top of the workbench is fixedly provided with a support, and the top wall of the support is fixedly connected with an air cylinder; the bottom end of an air cylinder rod of the air cylinder is fixedly connected with a shell. When the drilling performance of the electric drill is tested, the protective net cover which is automatically unfolded is used for protection, a drill bit to be broken can be protected in advance, the situation that the drill bit is broken and thrown out to hurt people is avoided, the unfolding speed of the protective net cover can be increased in the unfolding process of the protective net cover, the protective net cover is unfolded more rapidly, and the working efficiency is improved ...

Pipe cooling device

The pipe cooling device comprises a box body, a pre-cooling water jacket and a cooling mechanism, a cooling cavity is formed in the box body, a pipe inlet and a pipe outlet which are communicated with the cooling cavity are correspondingly formed in the left side and the right side of the box body respectively, a sizing sleeve is connected to the position of the pipe inlet, and the pre-cooling water jacket and the cooling mechanism are installed in the cooling cavity. A multi-section type water cooling structure is designed, pre-cooling is conducted through the pre-cooling water jacket, then centralized water supply is achieved through the combined water cooling assembly, the purpose of rapid cooling and shaping is achieved, and finally the continuous cooling effect is achieved through the spraying water cooling assembly, so that it is guaranteed that pipes can be smoothly hardened and formed; according to the cooling device, the cooling effect the same as that of immersed water cooling ...

Test method for measuring performance index of inhibitor

The invention discloses a test method for measuring performance indexes of a stopping agent, and belongs to the technical field of coal mine safety. The method specifically relates to detection of performance indexes such as inhibition rate and inhibition life of the inhibitor. According to the method, the change rules of the CO, the C2H4 and the C2H2 in the coal oxidation spontaneous combustion process and the advantages and disadvantages of the CO, the C2H4 and the C2H2 serving as index gases are comprehensively considered, a traditional test method is combined, and the inhibition rates of the inhibitor in the oxidation spontaneous combustion full stage and the oxidation spontaneous combustion sub-stage, namely the slow oxidation stage, the accelerated oxidation stage and the intense oxidation stage, are calculated; a gas generation rate is introduced to describe the inhibition effect of the inhibitor in each sub-stage, and the inhibition performance and the inhibition rule of the inhibitor ...

TAIL GAS AFTER-TREATMENT MIXING DEVICE, AND PACKAGING THEREFOR

Disclosed is a tail gas after-treatment mixing device, comprising a housing (1) and a mixing assembly (2) located inside the housing (1). The mixing assembly (2) comprises a first plate sheet (3), a second plate sheet (4), and a mixer (5) located between the first plate sheet (3) and the second plate sheet (4), wherein the first plate sheet (3) is provided with a first inlet (31) and a second inlet (32) respectively located at two sides thereof; the mixer (5) comprises a first space (51) in communication with the first inlet (31), a second space (52) in communication with the second inlet (32), and a third space (53) located between the first and second spaces; the mixer (5) is provided with a first raised part (58) extending from the bottom thereof into the third space (53) in a projecting manner, and a second raised part (59) located below the first raised part (58), such that a fourth space (50) is formed between the first raised part (58) and the second raised part (59); and the second ...

Big power current power supply relay of formula car cut straightly

... 直插式汽车大电流电源继电器,该继电器采用拍合式电磁结构,连接底座以及外壳，连接底座包括座板,座板下方铆接底盖,座板还连接有静触片插片、弹簧支架，弹簧支架位于座板的上方，静触片插片穿过了座板和底盖；所述拍合式电磁机构包括铁心,铁心外包围设置有线圈架,线圈架外包围着漆包线；所述拍合式电磁机构还包括银氧化锡动触点，银氧化锡动触点铆接在弹簧片一端，弹簧片另一端铆接在动片一端，所述弹簧片通过铜电刷线点焊连接铁轭插片一体件，所述动片另一端还连接有弹簧，所述动片固定在所述弹簧支架上，所述动片设置在所述铁心的上方。直插式汽车大电流电源继电器解决了过热熔化、变形,导致继电器产品早期过流过热失效的问题。 ...

Sensor anti-shake motor

The sensor anti-shake motor comprises an external supporting structure composed of an outer shell and a bottom plate, a focusing mechanism, a carrier, an anti-shake mechanism and a conductive mechanism are installed in the external supporting structure, and the focusing mechanism is connected with the carrier through a front suspension wire spring and a rear suspension wire spring. The anti-shake mechanism is connected with the carrier through the anti-shake suspension wire, and the conductive mechanism is electrically connected with the anti-shake mechanism, the front suspension wire spring, the rear suspension wire spring and the anti-shake mechanism. The anti-shake mechanism and the conductive mechanism are redesigned, so that the structure is more compact, the integration level and the overall degree are higher, the assembly process is simplified on the premise that the product size is reduced, and the assembly difficulty is reduced.

Agricultural risk early warning system and method based on cloud computing

The invention provides an agricultural risk early warning system and method based on cloud computing, and relates to the technical field of data processing, and the method comprises the steps: carrying out the region division of a target farmland, obtaining M grid regions, carrying out the image collection based on N preset time points, and obtaining M crop image sets, the method comprises the steps of processing, screening and inputting into a first channel and a second channel for feature extraction, inputting into a growth vigor analysis module, calculating early warning input information based on a growth vigor analysis result, and inputting into a risk early warning branch for analysis and warning, and solves the problems that in the prior art, a risk early warning technology applied to agriculture is limited, the monitoring and processing level is shallow, and the risk is poor. In order to solve the technical problem that risk early warning is not accurate and timely enough due to ...