22results about How to "Achieve elimination" patented technology

The invention provides a method for eliminating delta ferrite in austenitic stainless steel and the austenitic stainless steel, and belongs to the technical field of metal materials. The method comprises the following steps that an austenitic stainless steel ingot containing the delta ferrite is subjected to heat preservation for first set time at the first set temperature for first heat treatment; heating the austenitic stainless steel ingot subjected to the first heat treatment to a second set temperature, and carrying out heat preservation for a second set time at the second set temperature for second heat treatment; and cooling the austenitic stainless steel ingot subjected to the second heat treatment, or sequentially and repeatedly carrying out the first heat treatment and the second heat treatment on the austenitic stainless steel ingot subjected to the second heat treatment for at least one time, and then cooling to obtain the austenitic stainless steel subjected to delta ferrite elimination. The first heat treatment and the second heat treatment are performed, and the second set time is limited, so that the austenitic stainless steel is prevented from being in a high-temperature environment for a long time, and austenite grains are prevented from obviously growing.

The invention relates to a high-power optical fiber device refractive index dual-wavelength polarization holographic microscopic three-dimensional detection system based on a metasurface cylindrical lens and a working method, and belongs to the field of optical measurement. Comprising a first laser, a second laser, a first reflecting mirror, a first non-polarized beam splitting prism, a first half-wave plate, a beam expander, a polarized beam splitting prism, a second reflecting mirror, a first metasurface cylindrical lens pair, a Wollaston prism, a second half-wave plate, a third reflecting mirror, a second metasurface cylindrical lens pair, a sample optical fiber, a second non-polarized beam splitting prism and a first optical filter. The device comprises a first optical filter, a first CCD detector, a second optical filter, a second CCD detector and a computer. A metasurface cylindrical lens, a dual-wavelength polarization phase fusion interference detection method and a full-aperture aberration elimination filtering back projection refractive index three-dimensional reconstruction method are adopted, and the three-dimensional distribution detection precision and efficiency of the refractive index and welding defects of the high-power optical fiber device are further improved.

The invention relates to the technical field of inverter control, in particular to a neutral-point voltage full-range control system and method when a T-type three-level inverter breaks down, the T-type three-level inverter is important equipment in an energy router, and when a switch tube of the T-type three-level inverter breaks down, the problems of neutral-point voltage imbalance, current distortion and the like can be caused. According to the invention, the control capability of the neutral-point voltage is greatly improved by decomposing modulation waves when a switch tube fails, neutral-point voltage deviation elimination and oscillation suppression in a full modulation degree and full power factor range are realized, and fault-tolerant operation and neutral-point voltage balance control when the T-type three-level inverter fails are realized on the whole; safe and stable operation of the energy router system is realized, and safe operation of large and important electric power systems such as an electric power system, aerospace, metallurgical mining industry, rail transit and the like is guaranteed.

The present application relates to the technical field of image processing, and particularly relates to a scenic spot image processing method and device, equipment and a storage medium, the method comprising obtaining a to-be-processed scenic spot image, determining a target region in the to-be-processed scenic spot image, removing the target region in the to-be-processed scenic spot image to obtain a removed image; obtaining image attribute information of the to-be-processed scenic spot image, obtaining a similar image corresponding to the removed image according to the image attribute information; determining a target region in the similar image, completing the removed image according to the target region in the similar image to obtain a completed image; inputting the completed image and the image attribute information into a preset image inpainting neural network model to perform image inpainting on the completed image, and obtaining an inpainted image of the to-be-processed scenic spot image, which realizes the elimination of sundries and inpainting of the to-be-processed scenic spot image, and meets the image processing requirements of users.

The application discloses a kind of delta-MnO2-GO catalyst and its preparation method and application in room temperature formaldehyde degradation, it is related to inorganic catalyst technical field.The preparation method of delta-MnO2-GO catalyst of the application can significantly limit the growth of manganese dioxide nanosheet by doping with low amount of GO, to manufacture abundant mass transfer transmission channel, delta-MnO2-GO catalyst presents unique two-dimensional crown structure, two-dimensional coral-like hierarchical pore structure delta-MnO2 nanorod is uniformly dispersed on the GO of plane structure, greatly promote the exposure of catalytic site and the mass transfer of reactant, produce a large number of surface active oxygen ROS and hydroxyl radical-OH, greatly maintain the excellent catalytic activity and stability to HCHO degradation, stably realize nearly 100% HCHO elimination at room temperature.

The utility model provides a surface acoustic wave device. The surface acoustic wave device comprises a piezoelectric composite substrate and a metal structure located on the piezoelectric composite substrate. The piezoelectric composite substrate comprises a silicon substrate; the crystal elastic constant of the silicon substrate is a six-order matrix Cij, 0lt; i < = 6, 0lt; j < = 6, and i and j are integers; the silicon substrate has an Euler angle, and the absolute value of C15 in an elastic constant Cij defined by the Euler angle is greater than or equal to 2 * 10 < 9 > Pa. Namely, the Euler angle is set, and the absolute value of the elastic constant C15 of the silicon substrate is defined to be greater than or equal to 2 * 10 < 9 > Pa, so that the parasitic response generated by a high-order stray mode at high frequency is effectively eliminated or reduced, and the suppression capability of a stop band is improved. Compared with the prior art, the surface acoustic wave device provided by the utility model not only has a better inhibition effect on a high-frequency parasitic mode and improves the performance of the device, but also does not occupy the effective area of the device, is beneficial to the miniaturization development of the device, and is simple in process preparation.

The invention discloses an alternating current real-time parameter rapid correction method, which relates to the technical field of alternating current parameter correction, and comprises the following steps of: 1, establishing an alternating current real-time parameter coordinate system; 2, selecting a plurality of standard calibration points in the coordinate system; 3, selecting a plurality of to-be-corrected points in the coordinate system, and calculating a broken line slope K corresponding to each to-be-corrected point; and 4, directly updating the to-be-corrected point through the broken line slope K to obtain corrected data. According to the invention, a curing operation can be carried out before real-time measurement is started, and a large amount of resources occupied by division operation of a single-chip microcomputer are avoided, so that the operation speed is improved, and the accuracy of a measurement result is ensured. The method is suitable for measurement of real-time electrical parameters of alternating current and other basic measurement fields, and has a wide application prospect.

The application provides a defoaming agent conveying system and relates to the field of strip cleaning. In the technical scheme, when it is detected that the thickness value of the foam in the liquid storage barrel is high, the first infusion device is triggered to be turned on, and the first infusion device conveys the defoaming agent stored in the liquid storage tank to the liquid storage barrel, so that the defoaming agent injected into the liquid storage barrel is consistent with the thickness value of the foam, and the defoaming agent waste is reduced on the basis of eliminating the foam in the liquid storage barrel.

An adjusting method for rapidly solving the problem of color difference between color and shade of a ceramic tile file comprises the following steps that S1, the ceramic tile file is deepened till the color difference in the ceramic tile file is larger than a color difference threshold value, and a first processing file is obtained; s2, constructing a first copy file of the first processing file, and performing gray processing on the first copy file to obtain a second processing file; s3, copying the tile file to obtain a second copied file and a third copied file; according to the method, the gray levels of the obtained ceramic tile files are averaged to obtain a completely uniform gray level, and then the texture is fused in the completely uniform gray level instead of checking and adjusting the conditions of yin and yang colors and chromatic aberration by naked eyes traditionally, so that a pattern with uniform colors is formed. And the yin-yang color is eliminated.

This utility model discloses a temperature measuring device for environmentally friendly adhesive samples, including a device platform. A device frame is fixed above the device platform, and a second cylinder is installed on the top of the device frame. A temperature measuring module is arranged below the second cylinder. The temperature measuring module includes a temperature measuring module and a temperature measuring probe. The temperature measuring module is fixed to the output end of the temperature measuring module, and the temperature measuring probes are evenly spaced at the bottom end of the temperature measuring module. A motor is installed at one end inside the device platform, and a lead screw is installed at the output end of the motor. A slider is fitted around the lead screw, and the top of the slider extends to the top of the device platform and is fixed to a support platform. A sample box is arranged on the top of the support platform. This utility model not only has a built-in defoaming function, but also has a high degree of integration between the defoaming process and the temperature measuring process, eliminating manual handling and achieving complete elimination of bubbles. It also facilitates quick cleaning of the temperature measuring probe.

The invention discloses a spray head for a 3D printer, and relates to the technical field of 3D printer accessories, the spray head comprises a base, a lifting piece is axially arranged on the inner side of the base, sliding pieces are arranged at the two ends of the outer side of the base in a radial opposite and sliding mode, inclined guide block structures are arranged between the sliding pieces and the lifting piece, and the inclined guide block structures on the two sliding pieces are arranged in a staggered mode; two feeding pipes for conveying different materials are arranged in the base, the tail ends of the feeding pipes extend in the axial direction to be provided with outer arc-shaped covers, the sliding parts comprise inner arc-shaped columns acting on the inner sides of the outer arc-shaped covers in the radial direction, the outer arc-shaped covers and the inner arc-shaped columns are connected to the heater, and the middles of the inner arc-shaped columns are arranged to be in an inward concave shape. When the materials are switched, the plasticized materials at the action section of the heater are isolated and preserved by utilizing the concave cavity, so that the mixing rate during material switching is reduced, and meanwhile, the material switching loss is also reduced; control of different postures of the sliding pieces on the two sides can be achieved through the single lifting piece and the spring set.

The invention provides a vehicle side window demisting and defrosting system, a control method of the vehicle side window demisting and defrosting system and a vehicle. The internal circulation hot air assembly internally generates airflow with the temperature higher than the set temperature; a hot air inlet of the circulating air door assembly is connected with an air outlet of the internal circulating hot air assembly; the natural air inlet is suitable for introducing external circulation natural air; the switching air door is controlled by the control module to adjust the air inflow of the hot air inlet and the natural air inlet so as to form standby air. The side window air duct assembly comprises a left side air duct assembly connected with the left side air outlet and a right side air duct assembly connected with the right side air outlet; the left air duct assembly extends to a frame of a left car window, and an air outlet of the left air duct assembly blows out standby air towards the outer wall of the left car window. The right air duct assembly extends to a frame of the right car window, and an air outlet of the right air duct assembly blows out standby air towards the outer wall of the right car window. In the scheme, the left and right side air duct assemblies directly blow air to the outer wall of the glass on the outer side of the vehicle window, so that fog and frost on the outer wall of the side window glass of the vehicle are eliminated.

The utility model belongs to the field of reverse osmosis membrane production, and particularly relates to a reverse osmosis membrane production device which comprises a membrane coating box body, a drying and recycling device is mounted at the end part of the square inclined pipe; an air blower is mounted at the bottom of the air outlet pipe; a heater is mounted outside the section of the air outlet pipe in a sleeving manner; an induced draft fan is mounted outside the section of the vertical rod of the connecting pipe in a sleeving manner; a condenser is mounted outside the section of the inclined rod of the connecting pipe; a sterilization device is mounted on one side of the drying box; a sterilization cavity is formed in the sterilization box; a sterilization structure is mounted at the top of the sterilization box; an exhaust fan is mounted outside the cross section of the transverse pipe of the air suction pipe in a sleeving manner; a reaction tank is mounted outside the vertical pipe section of the air suction pipe in a sleeving manner; through the combined action of the drying and recycling device and the sterilization device, the reverse osmosis membrane is dried, the coating is recycled, the reverse osmosis membrane is sterilized, and emission of harmful gas is reduced.

The utility model discloses a kind of composite defoaming devices of reaction kettle, including the circulation pump cooperation with reaction kettle, spray pipe, folding leaf demulsifier and agitator, spray pipe, folding leaf demulsifier and agitator are located in reaction kettle, circulation pump is communicated with spray pipe and the discharge pipe of reaction kettle respectively by pipeline;Agitator is concentric double-shaft agitator, to the outer shaft of concentric double-shaft agitator is equipped with coupling sleeve, and upper layer stirring paddle is equipped on coupling sleeve, to the inner shaft of concentric double-shaft agitator is equipped with lower layer stirring paddle.The utility model is combined by coaxial bidirectional stirring, folding leaf demulsifier and reaction kettle internal circulation spray mode, reach the purpose of eliminating foam in reaction kettle, simultaneously, it is helpful to the dispersion and mixing of material in reaction kettle, improve material reaction efficiency.

The invention discloses a TM11 mode filtering device suitable for a circular waveguide, and relates to the technical field of microwave waveguides. The device consists of four mode filtering units, wherein the two mode filtering units are arranged in the same direction to form a group of mode extracting and filtering structures; the two mode extraction filtering structures are arranged on the circular waveguide transmission system in an orthogonal cascade mode; and the mode filtering unit comprises a circular waveguide, a choke ring coupling structure coaxially arranged with the circular waveguide, two rectangular waveguide elbow structures, a four-section rectangular straight waveguide structure and an E-T joint mode selection structure. Based on a mode conversion principle, the filter is suitable for filtering a high-order TM mode in a circular waveguide transmission system, and has the advantages of small size, easiness in processing, low loss and large power capacity.

The invention discloses a supercooled water identification and elimination device and method for a chilled mirror type precise dew-point meter, and the device comprises a light-emitting tube, a photoelectric receiver, a voltage collector, a temperature collector, a maximum refrigeration switch, and a controller. The voltage collector collects the voltage of the photoelectric signal from the photoelectric receiver, and the temperature collector collects the temperature of the mirror surface; the controller judges whether the possibility of supercooled water exists or not according to whether the temperature of the mirror surface at the dew formation moment is smaller than or equal to 0 DEG C, if yes, the maximum refrigeration switch is turned on, the mirror surface temperature is rapidly reduced until the mirror surface temperature is lower than the dew point temperature by-20 DEG C, the supercooled water is eliminated, and then the voltage value of the photoelectric signal is controlled to be a voltage target value. And an accurate frost point temperature is measured by a dew-point meter. The cold mirror surface supercooled water below 0 DEG C can be identified and eliminated, the measurement accuracy of the frost point temperature is effectively improved, and the measurement accuracy of the cold mirror type precise dew-point instrument is improved.

The present application relates to a kind of magnesium fuel cell, including single cell or 2 above single cell circuit series, parallel or series-parallel hybrid composition battery;The single cell includes a hollow single cell shell, is transversely arranged with a transition layer in the middle and lower part in single cell shell, the four peripheral edges of transition layer are sealedly connected with shell inner wall surface, transition layer will shell be divided into two upper and lower chambers not communicated each other, electrolyte is filled in upper chamber as electrolyte chamber, lower chamber is filled with regenerative liquid as regenerative liquid chamber;Anode, air cathode are placed in electrolyte chamber;The transition layer changes with the state change of battery discharge process, so that regenerative liquid can react with the discharge product in single cell through transition layer;The regenerative liquid is acid solution.The long-time continuous discharge feasibility of magnesium fuel cell is significantly improved.

The invention provides a formaldehyde absorption treating fluid and a formaldehyde absorber thereof, and belongs to the technical field of formaldehyde treatment. The formaldehyde absorption treating fluid comprises the following raw materials in parts by weight: 70-150 parts of a primary amino-containing compound, 0.1-1 part of a catalyst and 10-30 parts of a 3A molecular sieve. The formaldehyde absorption instrument is prepared from the formaldehyde absorption treatment liquid. According to the formaldehyde absorption treating fluid disclosed by the invention, formaldehyde and primary amine in the absorption treating fluid can be subjected to chemical reaction to generate aldimine, and meanwhile, one molecule of water is eliminated, so that the purpose and the effect of thoroughly eliminating formaldehyde are achieved, and the 3A molecular sieve is used for absorbing water molecules generated in the reaction to realize absorption, conversion and elimination of formaldehyde.

The utility model discloses an automatic exhaust device for hydrogen production equipment, and belongs to the technical field of hydrogen production. The automatic exhaust device comprises a first pipeline, a second pipeline, a third pipeline and a pressurizing pipe which are communicated in sequence and are vertically arranged; a water inlet is formed in one end, opposite to the second pipeline, of the first pipeline, and a heating piece is inserted into the first pipeline so as to heat pure water; a waterproof ventilation valve communicated with the second pipeline is arranged at the top of the second pipeline; the third pipeline and the first pipeline are both positioned below the second pipeline; the height of the end, back on to the third pipeline, of the pressurizing pipe in the vertical direction is larger than that of the second pipeline. According to the automatic exhaust device for the hydrogen production equipment provided by the embodiment of the utility model, bubbles existing in pure water or bubbles generated in a subsequent heating process can be automatically eliminated in advance, so that the performance of the hydrogen production equipment is accurately evaluated.

The invention discloses a biomedical signal noise reduction method and device based on multi-dimensional information fusion and a medium, and relates to the technical field of biomedical signal processing.The method comprises the steps that an original ECG signal, an original ACC signal and an original GYRO signal of a target user in a dynamic electrocardiogram monitoring scene are preprocessed; performing layered noise reduction on the preprocessed first ECG signal; and according to the preprocessed first ACC signal and the first GYRO signal, carrying out artifact suppression on ECG features extracted from the second ECG signal subjected to layered noise reduction, inversely mapping the target ECG features subjected to artifact suppression to the space of the second ECG signal, and determining a target ECG signal which is high in signal-to-noise ratio and contains a complete P-QRS-T wave group. According to the method and the device, the cooperative suppression of various noise types in dynamic electrocardiogram monitoring is realized, the clinical diagnosis value of the ECG signal is guaranteed, and the noise reduction effect and the signal availability rate of the ECG signal in a dynamic scene are improved.

The invention belongs to the technical field of liquid electrostatic risk prevention and control, and particularly relates to an impurity removing method and device in the oil product conveying process. The impurity removing device comprises a first connecting pipeline, a second connecting pipeline, a filter, a first reducing pipeline, a second reducing pipeline, an electrostatic moderator, a high-voltage power supply, an electrode plate, an impurity collector, an oil gas detector and a controller, wherein the first connecting pipeline and the second connecting pipeline are arranged at the two ends of the impurity removing device. The impurity removing device is installed on the oil product conveying pipeline through two connecting pipelines at the two ends. And the electrode plate is arranged in the static mitigator and is used for establishing an electric field in the oil to capture the static impurities. The impurity removing device provided by the invention can be used for collecting and removing impurities generated in the oil product conveying process, preventing the electrostatic problem caused by the impurities in the oil product conveying process, and avoiding the influence of water impurities on the oil product quality.

The application provides a parallel processing scheduling method and system of a multi-station laser cutting machine and a medium, and relates to the field of laser processing scheduling and production optimization control. The method comprises the following steps: collecting graphic information of a to-be-processed task, extracting path structure features, and assigning path segment numbers; constructing a subtask feature vector and a station capacity score vector; and performing preliminary scheduling of the subtask based on a matching degree value; evaluating thermal influence conflicts and performing scheduling optimization in combination with spatial distance and processing time period overlap rate; and monitoring station abnormalities and dynamically rescheduling remaining path segments during execution. The problems of coarse multi-station laser cutting task scheduling granularity, unreasonable resource allocation, failure to consider thermal influence interference between stations, and abnormal response lag in the prior art are solved.