24results about How to "Meet different application needs" patented technology

The invention relates to the technical field of power distribution and utilization and communication, in particular to a multi-source wide-area power distribution and utilization terminal time correction method and device, electronic equipment and a chip. The time correction method comprises the steps that a multi-source fusion power distribution and utilization terminal obtains reference time service time based on a preset reference time service source or based on multiple different time service sources, a time service deviation value between the reference time service time and the time service time of the to-be-corrected time service source is calculated, a time service time optimization parameter is determined according to the time service deviation value in combination with a moving average filtering algorithm improved based on Pearson's correlation, and the time service time optimization parameter is used for correcting the time service time of the to-be-corrected time service source. When time service time optimization parameters are determined, a moving average filtering algorithm which is improved based on Pearson's correlation is combined, and the correlation between data is considered, so that noise can be effectively filtered, time deviation can be smoothed, the accuracy of time service correction is improved, and the high-accuracy time service synchronization requirement of the power distribution and utilization terminal in a power system is met.

This invention discloses a samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal material, its preparation method, and its applications. The samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal material belongs to the monoclinic crystal system, has a space group of Cm, and a chemical formula of Sm. 0.3 La 0.1 :Y 0.6 Ca4O(BO3)3 has a second harmonic response intensity of 0.89 × KDP, and exhibits transmittance exceeding 80% in the 500–1000 nm and 1600–2400 nm wavelength ranges. It also has a strong absorption peak in the 1000–1600 nm wavelength range. Therefore, the samarium-lanthanum co-doped calcium oxyborate yttrium nonlinear optical crystal can be considered as a nonlinear optical crystal material with broad application prospects in the field of optics.

The invention relates to a silicon-based negative electrode material based on metal oxide coating and preparation and application thereof, and a preparation method of the material comprises the following steps: S1, putting a silicon-based material into a solvent for ultrasonic dispersion to obtain a uniform suspension; s2, adding a metal oxide precursor into the suspension obtained in S1, and carrying out hydrolysis or condensation reaction to generate a continuous metal oxide coating layer on the surface of the silicon-based material in situ; and S3, after the reaction is finished, centrifugally separating, washing and drying the obtained product to obtain the silicon-based negative electrode material, namely a target product. Compared with the prior art, the method provided by the invention is simple in process, low in cost and good in repeatability, and the obtained coated silicon material has excellent structural stability and electrochemical performance and has a wide application prospect in high-energy-density lithium ion batteries and all-solid-state batteries.

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

The present invention relates to an evaluation method and device for artificial intelligence solutions, which can automatically evaluate business-level artificial intelligence solutions by supporting heterogeneous hardware and eliminating hardware differences, and visually present comprehensive and objective evaluation and analysis results. The method of comprehensive evaluation of business-level artificial intelligence solutions in the present invention will make the evaluation results closer to actual application scenarios, help users choose the best artificial intelligence solutions on different hardware platforms, improve overall business efficiency, and provide important guidance for the development and optimization of artificial intelligence solutions.

This application discloses a sealing element, a valve device, and an integrated assembly. The sealing element includes two or more sub-sealing portions, each sub-sealing portion comprising a support member and a sealing body. The sealing body is fixedly connected or limit-connected to the support member. The support member has a communication port. The sealing body includes a first sealing main body and a second sealing main body. The first sealing main body is located on the outer periphery of the support member and surrounds the communication port. The second sealing main body is located on the inner periphery of the support member and surrounds the communication port. The sub-sealing portions are arranged circumferentially along the valve device, and adjacent sub-sealing portions are limit-connected. The structural design of this sealing element can adapt to different customer needs.

This invention provides a modular contactor. The modular contactor includes a drive module, an intermediate connection module, a disconnection module, an upper application interface module, and a lower application interface module. The drive module includes a stationary iron core, a coil, and a control component. The intermediate connection module includes a moving iron core. The disconnection module includes multiple disconnection units. The drive module is detachably connected to a first side of the intermediate connection module to drive the moving iron core under the control of the control component. The disconnection module is detachably connected to a second side of the intermediate connection module opposite to the first side to enable the multiple disconnection units to open or close under the drive of the moving iron core. The upper application interface module is detachably connected to the top of the disconnection module to be electrically connected to the upper stationary contacts of the multiple disconnection units. The lower application interface module is detachably connected to the bottom of the disconnection module to be electrically connected to the lower stationary contacts of the multiple disconnection units.

This invention discloses a distributed, block-based, multi-dimensional storage method and apparatus for seismic data volumes. The method includes: separating the header information from the seismic traces in the acquired seismic volume file and storing the header information in a preset storage space; determining multiple dimensions based on the keywords of the seismic traces to construct a multi-dimensional model; dividing the multi-dimensional model into multiple multi-dimensional data cubes and determining the name of each multi-dimensional data cube, as well as the extreme values ​​of operational values, the total number of location numbers, and the total number of multi-dimensional data cubes in each dimension; storing the multi-dimensional data cubes on a distributed storage system using a mapping algorithm; calculating the physical storage location of the target data based on the acquired target data information, and extracting the target data from the distributed storage system and / or the preset storage space. This method improves data storage flexibility and query efficiency by optimizing the seismic data storage structure and index calculation.

The invention discloses a lanthanum ion doped oxygen calcium yttrium borate nonlinear optical crystal material and a preparation method thereof, the lanthanum ion doped oxygen calcium yttrium borate nonlinear optical crystal material belongs to a monoclinic system, the space group is Cm, the chemical formula is La0.1: Y0. 9Ca4O (BO3) 3, the frequency multiplication coefficient is 2 * KDP, the ultraviolet cut-off edge is less than 200 nm, and no absorption peak with the intensity greater than or equal to 0.2 cm <-1 > exists in the range of 200-2500 nm. Therefore, the lanthanum ion doped yttrium calcium oxide borate crystal can be used as a nonlinear optical material with a wide application prospect in the field of optical parameter chirped pulse amplification.

The present invention discloses a stroke compensation hydraulic system, including a working cylinder, a synchronous cylinder group, a cylinder control valve, an adjustment cylinder and an adjustment control valve; the synchronous cylinder group includes a master cylinder and a synchronous cylinder, the synchronous cylinders are arranged side by side, and a driving beam is arranged between the master cylinder and the synchronous cylinder; the master cylinder is connected to one side of the driving beam, and the synchronous cylinder is connected to the other side of the driving beam, and the cylinder control valve can control the movement of the master cylinder, and the driving beam is driven to translate by the master cylinder, and then the piston of the synchronous cylinder is pushed to move the same distance by the driving beam. By adopting the present invention, an adjustment cylinder can be connected in the oil circuit of a specific working cylinder, and the oil between the working cylinder and the synchronous cylinder can be injected or extracted, so that the working cylinders move synchronously with a predetermined distance difference to meet different application requirements.

The invention discloses a gallium-niobium-tantalum-calcium silicate piezoelectric crystal material and a preparation method and application thereof.The gallium-niobium-tantalum-calcium silicate piezoelectric crystal material belongs to a trigonal system, the space group is P321, the chemical formula is Ca3 (Nb0. 2Ta0. 8) Ga3Si2O14, the relative dielectric constant # imgabs0 # at the room temperature is larger than 18, the relative dielectric constant # imgabs1 # is larger than 24.6, the piezoelectric constant d11 is larger than 4.2 pC / N, the electromechanical coupling coefficient k12 at the temperature of 600 DEG C is larger than 12.90%, and the piezoelectric constant d11 is larger than 4.2 pC / N. And the resistivity at 800 DEG C is greater than 2.2 * 10 < 7 > omega.cm, so that the gallium niobium tantalum calcium silicate piezoelectric crystal can be used as a piezoelectric crystal material with a wide application prospect in the field of high-temperature sensing.

The utility model discloses a multifunctional dust removal system which comprises a dust removal outer cylinder, a filter cylinder and a dust collection cylinder, wherein the filter cylinder and the dust collection cylinder are respectively connected to the top end and the bottom end of the dust removal outer cylinder; a dust removal core with an opening in the lower end is arranged in the filter cylinder, a dust collection hopper hermetically sleeved with the outer wall of the lower end of the dust removal core is detachably arranged in the middle of the dust collection cylinder, a medium groove close to the outer wall of the dust removal core is formed in the joint of the dust collection cylinder and the dust removal outer cylinder, and a medium filter element is connected in the medium groove. Compared with the prior art, the multifunctional dust removal system has the advantages that the multifunctional dust removal system is small in size, capable of efficiently removing dust and capable of preventing blockage.

The invention belongs to the technical field of precise microstructure machining, provides a turning manufacturing method for a V-shaped microstructure of a cylindrical surface, and aims to solve the problems that a microstructure with a specific function is difficult to manufacture on the cylindrical surface, the precision and quality of the surface microstructure are difficult to accurately control, the machining efficiency is low and the cost is high in a traditional turning process. According to relative vibration of a cutter and a cylindrical workpiece and mechanical behaviors in the turning process of the cylinder, by adjusting the rotating speed of the workpiece, the initial vibration frequency of the cutter and the falling rate of the vibration frequency of the cutter, machining parameters are optimized, the precision of a control system is improved, and therefore fine customization and optimization of the V-shaped microstructure of the cylindrical surface are achieved. In the turning process, the V-shaped microstructure on the surface of the cylindrical workpiece is accurately modeled, and the V-shaped microstructure on the surface of the cylindrical workpiece is finely customized by finely adjusting turning parameters so as to meet different machining requirements.

The invention discloses a self-adaptive compression method dynamically selected according to a real-time data mode, relates to the field of embedded systems, and dynamically selects an optimal compression strategy according to the real-time characteristic of an address sequence of a program counter (PC) so as to improve the data compression efficiency and the system performance. The algorithm mainly comprises three compression methods of difference value coding, operation length coding and self-adaptive Huffman coding, and intelligent switching is carried out through a compression strategy control module according to modes (repetition, continuity and random) of input data. The principle and the algorithm flow of each compression method are introduced in detail below.

The invention discloses a samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material for pulse amplification and a preparation method and application thereof.The crystal material belongs to a monoclinic system, an m point group and a Cm space group, the chemical formula is Smx: La1-xCa4O (BO3) 3, x is 0.1-0.99, the thermal diffusivity is 0.865 mm / s and 0.531 mm / s at the temperature of 300 K and 600 K respectively, the specific heat capacity is 0.691 J.g <-1 >. K <-1 > and 0.871 J.g <-1 >. K <-1 > at the temperature of 300 K and 600 K respectively, and the samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material is a samarium-doped oxygen calcium lanthanum borate nonlinear optical crystal material. And the transmittance of the samarium-doped oxygen calcium lanthanum borate crystal material in the range of 500-900 nm and the transmittance of the samarium-doped oxygen calcium lanthanum borate crystal material in the range of 1600-2400 nm reach 85% or above, so that the samarium-doped oxygen calcium lanthanum borate crystal material can be used as a nonlinear optical crystal material with a wide application prospect in a quasi-parametric chirped pulse amplification system.

The invention discloses a low-power-consumption wireless transmission control module and a control method thereof, the low-power-consumption wireless transmission control module comprises a first-path wireless communication unit, a second-path wireless communication unit, a controller and a battery, the first-path wireless communication unit and the second-path wireless communication unit are both connected with the controller, and the battery is connected with the first-path wireless communication unit and the second-path wireless communication unit. The battery provides electric energy for the first wireless communication unit, the second wireless communication unit and the controller. The first wireless communication unit is a wake-up channel and is used for receiving a wake-up signal and triggering the controller; the wireless communication device has the beneficial effects that the power consumption is ultra-low: the wake-up channel and the data transmission channel are separated, so that the data transmission channel with high power consumption is in a closed state at most of time at ordinary times and is only in a wake-up state, and the overall power consumption of the device is greatly reduced; and when the battery is used for supplying power, the maintenance cost is reduced. The method is low in hardware cost, and can be widely applied to various Internet of Things scenes sensitive to power consumption.

The invention discloses a carbon fiber sizing agent and a preparation method and application thereof, particularly relates to the technical field of carbon fiber sizing agents, and is characterized in that the carbon fiber sizing agent is prepared from epoxy resin and auxiliaries, the epoxy resin is at least one of bisphenol A epoxy resin or phenolic aldehyde modified epoxy resin, and the auxiliaries are epoxy resin. The auxiliaries comprise a flexibilizer, a soaking agent, a softening agent, a moisture absorbent and an emulsifier, the flexibilizer is one or more of polyether polyol or hydroxyl-terminated polybutadiene, the soaking agent is a nonionic surfactant, the softening agent is one or more of fatty acid ester or fatty acid amide, and the moisture absorbent is one or more of polyisobutylene or polyisobutylene. The moisture absorbent is one or more of glycerol or sorbitol, the emulsifier is a nonionic surfactant, the concentration of the sizing agent is easy to control, the binding force between the sizing agent and the carbon fiber surface is strong, and the compatibility between the sizing agent and a resin matrix is good.

The present invention discloses an automatic heating and defrosting system for a camera, comprising an NTC resistor and a MOS tube, wherein the NTC resistor is connected to the G pole (gate) of the MOS tube, and is used to adjust the conduction state of the MOS tube by monitoring temperature changes; the output end is the S pole (source) of Q1 (MOS tube), and the input ends VCC and GND provide power and ground wire for the circuit respectively; a PTC thermistor is connected to the output end of the MOS tube; wherein the G pole of the MOS tube is provided with a first resistor, a second resistor (NTC resistor), and the source is provided with a third resistor (RTC resistor), the first resistor is connected to the input end VCC, indicating a high level; the second resistor (NTC resistor) is connected to the G pole of the MOS tube; the third resistor (RTC resistor) is connected to the source of the MOS tube. The present invention does not directly read the NTC resistor voltage division value, but controls the on and off of the MOS tube by different voltage division values ​​of the NTC resistor at different temperatures to achieve heating control. It can be widely used in various camera devices that require heating and defrosting.

The invention relates to the technical field of image processing, particularly provides an AI-based face image replacement method and system, and aims to realize efficient and accurate face image replacement. The method comprises the following steps: S1, establishing a target face image set based on video frames, and ensuring the consistency of images in the set through midpoint correction and size calibration; s2, selecting the most similar face images from the target set to form the target set; s3, performing iteration replacement by adopting an AI edge algorithm, and generating a natural replacement effect by optimizing the edge contour difference between the target and the to-be-replaced image; and S4, outputting the replaced image and recovering the original video. The invention further provides a system, all the modules work cooperatively, accurate replacement of the face image is achieved, the authenticity, stability and efficiency of the replacement effect are improved in a complex scene, and the method and system are widely suitable for video special effect production, virtual image generation and other visual processing application fields.

The utility model relates to the technical field of intelligent control, in particular to a posture detection circuit and an intelligent terminal. According to the attitude detection circuit, a hardware circuit of the attitude detection circuit is improved, the filter circuit is arranged, and the characteristics of the filter circuit can be changed by adjusting the values of a resistor and a capacitor, so that different application requirements are met. Meanwhile, in combination with the characteristics of signal acquisition of the attitude detection unit, the filtering unit can filter interference signals to the greatest extent, so that the attitude detection accuracy is improved, the interference signals can be filtered to a great extent, and the situation that the control unit generates wrong reminding information due to signal interference is avoided; therefore, the interference to the user in the use process is reduced, and the use experience is improved.

The invention relates to the technical field of polymer chemical synthesis, in particular to a preparation method of methoxy polyethylene glycol methacrylate or methoxy polyethylene glycol acrylate. A two-step synthesis method is adopted and comprises the following steps: firstly, carrying out ethoxylation reaction on methacrylic acid or acrylic acid and ethylene oxide in the presence of a catalyst to generate a methacrylic acid polyethylene glycol ester intermediate or an acrylic acid polyethylene glycol ester intermediate; and carrying out end capping on the intermediate, alkali and halomethane through a Williamson ether synthesis reaction to obtain high-purity methoxy polyethylene glycol methacrylate or methoxy polyethylene glycol acrylate. The invention overcomes the problems of high reaction temperature, low conversion rate, insufficient product purity and easy polymerization of methacrylate or acrylate in the traditional transesterification method, and overcomes the defects of long synthetic route steps and high cost in the prior art. The method has the advantages of mild process conditions, controllable molecular weight and high product purity, and is suitable for the fields of biomedical materials, cosmetics, polymer emulsifiers and the like.

The invention relates to the technical field of high polymer materials, in particular to a butyl acrylate-based high polymer dispersant for polyimide foam as well as a preparation method and application of the butyl acrylate-based high polymer dispersant. The dispersing agent is prepared from butyl acrylate (BA), methyl methacrylate (MIMA), polyethylene glycol monomethyl ether acrylate (PEG400MEA), hydroxyethyl methylacrylate (HEMA) and functional monomers through free radical polymerization reaction, wherein the mass percent of each monomer is as follows: 20%-40% of BA, 10%-25% of MMA, 35%-60% of PEG400MEA, 3%-10% of HEMA and 1%-5% of functional monomers. The functional monomer is one or more of acrylic acid, methacrylic acid, sodium p-styrene sulphonate or N-hydroxymethyl acrylamide. In the preparation process, peroxide or an azo substance initiator is adopted, and free radical reaction is carried out under the protection of inert gas. The dispersant belongs to anionic macromolecules, the weight-average molecular weight is 5000-50000, and the molecular weight dispersion coefficient (PDI 1.2-2.5).

The present invention belongs to the technical field of waterborne epoxy resin preparation, and discloses a zwitterionic waterborne epoxy resin and preparation method and a dispersion, preparation method and application. Disulfide carboxylic acid is prepared by mercapto-ene reaction, and then a zwitterionic waterborne epoxy resin with cation as sulfonium and anion as carboxylate is obtained by ring-opening reaction of thioether and epoxy resin. The structure of zwitterion solves the damage of free neutralizer ions to coating stability, coating adhesion and anticorrosion performance in traditional anionic and cationic waterborne coatings; at the same time, the adhesion of carboxylate ions to metal substrates can be better exerted, and the performance difficulties of traditional anionic modified waterborne epoxy resins can be solved. After adding water to form a dispersion, it can become a substitute for the mainstream non-ionic waterborne epoxy resins on the market, and can also be used as an auxiliary agent to further enhance the adhesion or anticorrosion performance of existing waterborne epoxy products on various metal substrates, and has a wide range of application prospects.

The invention discloses a sample detection system. The system comprises a detection card, a data acquisition module and a data processing module, the detection card at least comprises a first detection channel and a second detection channel, and a sample adding area, a reagent area and a detection area are respectively arranged in the first detection channel and the second detection channel; a first reagent is placed in the reagent area in the first detection channel, and a second reagent is placed in the reagent area in the second detection channel; wherein the first reagent has high sensitivity and HOOK effect, and the second reagent has high detection limit; the data acquisition module is used for acquiring a first detection value corresponding to a first reagent and a second detection value corresponding to a second reagent; and the data processing module is used for determining a detection result according to the first detection value and the second detection value. According to the scheme, the sensitivity of sample detection can be improved, and the detection range can be widened.