132results about How to "High separation precision" patented technology

The invention provides a process for preparing various nutritional ingredients from oats, and relates to the technical field of deep processing of oats. The process comprises the following steps: crushing and sieving oats to obtain oat bran; the method comprises the following steps: extracting oat bran through a supercritical extraction technology to obtain pretreated oat bran and an extract, and carrying out gradient membrane treatment and membrane ultrafiltration on the extract to obtain oat oil; extracting the pretreated oat bran through continuous sectional extraction equipment; after first-stage protein extraction, second-stage dextran extraction, third-stage immobilized enzymolysis and fourth-stage filler decoloration, the materials enter a system balance tank, and membrane separation and concentration are performed to obtain the oat beta-dextran. According to the invention, various nutrient substances such as oat beta-glucan, oat protein, oat oil and the like can be extracted at the same time, the defects in the prior art are overcome, the automation degree is high, and energy conservation and emission reduction are realized.

The invention provides a multi-birth fetus brain age prediction method and system, and relates to the technical field of image data processing. Performing image segmentation and motion artifact correction processing according to the original image data to obtain a separated image; reconstructing mutual shielding areas in the separated image to generate a reconstructed image; performing feature extraction processing according to the reconstructed image to obtain brain development feature data of each fetus, and performing difference analysis of relative development levels based on the brain development feature data to generate development difference data; and performing fusion processing according to the brain development characteristic data and the development difference data, evaluating the actual brain age of each fetus, and outputting a brain age prediction result. Through image segmentation, motion correction and signal interference compensation technologies, the problems of image blurring and structure overlapping caused by mutual shielding, fetal movement and signal interference of the multiple-birth fetuses in the maternal body are solved, and the accuracy of predicting the brain age of the multiple-birth fetuses is remarkably improved.

The invention relates to a coalescence reinforced cyclone separation device and method for removing oil drops from gas. The device comprises a cylindrical barrel, the interior of the barrel is divided into an inlet cylindrical section provided with a tangential inlet, the lower portion of the inlet cylindrical section is sequentially provided with a first-stage rotational flow section, a second-stage rotational flow section and a bottom oil storage section which are coaxially communicated with one another, and the upper portion of the inlet cylindrical section is provided with a top filtering section coaxially communicated with the inlet cylindrical section; coalescence assemblies are attached to the inner walls of the inlet cylindrical section, the first-stage rotational flow section and the second-stage rotational flow section, a bottom coalescence triangle is arranged in the center of the bottom face of the bottom oil storage section, and a top filtering assembly is coaxially arranged in the top filtering section; the cyclone separation and coalescence separation technologies are combined, centrifugal force and the adhesion effect of coalescence fibers are utilized, fine oil drops are captured and coalesced into large oil drops, the large oil drops finally flow into the bottom oil storage section, gas purification is achieved, and oily liquid drops small in size and wide in particle size range in gas are effectively separated. The device has the advantages of high separation precision, high efficiency, compact structure, convenience in maintenance and the like.

The invention relates to the technical field of fatty acid wastewater treatment, in particular to an efficient fatty acid wastewater separation device and method.The efficient fatty acid wastewater separation device comprises a mixing and filtering barrel, a rotary mixing device, a rotary filtering device, a dirt collecting device, a rotary driving shaft and an interval driving device; an oil-water separation chamber is arranged above the filtering chamber, the rotary conveying device is installed in the filtering chamber of the mixing filtering barrel, a rotary spray head is arranged at the water outlet end of the rotary conveying device, the rotary filtering device is installed between the filtering chamber and the oil-water separation chamber, and the dirt collecting device is installed on the outer side of the mixing filtering barrel. The rotary driving shaft is installed in the mixing and filtering barrel, the interval driving device is installed above the rotary driving shaft and used for driving the rotary driving shaft to rotate, and the separation efficiency and the separation quality can be effectively improved.

The invention relates to the technical field of wind driven generator detection, in particular to a wind driven generator blade crack detection system based on acoustic characteristic analysis, which comprises an acoustic signal acquisition module, a material fatigue state monitoring module, a signal separation and identification module and a crack positioning module, wherein the acoustic signal acquisition module acquires acoustic signals generated in the blade operation process; the material fatigue state monitoring module is used for comparing the material characteristic change with a material damage database and judging the material fatigue state of the current blade; the signal separation and identification module is used for distinguishing the acoustic signal in normal operation from the abnormal acoustic signal; distinguishing the crack signal from the material fatigue signal; and the crack positioning module determines the position of the crack through a triangulation positioning algorithm. According to the invention, through collaborative analysis of the material behavior and the acoustic signal, the separation precision of the abnormal signal is greatly improved, so that the crack signal is detected more accurately.

The utility model provides an atmospheric and vacuum five-tower distillation device with an energy-saving effect, which comprises a primary distillation tower, a negative pressure tower, an atmospheric tower and a vacuum tower, the negative pressure tower comprises a first negative pressure tower and a second negative pressure tower, the top of the first negative pressure tower and the top of the second negative pressure tower are respectively connected with a first negative pressure tower reflux device and a second negative pressure tower reflux device; a negative pressure tower reboiler is arranged at the middle lower part of the negative pressure tower I, and the pressure of the negative pressure tower I is higher than that of the negative pressure tower II; the two negative pressure towers are additionally arranged between the primary tower and the atmospheric tower, vaporized gasoline and kerosene components can be separated in time, the irreversible degree of heating and cooling is reduced, and the purpose of saving energy is achieved; due to negative pressure operation of the first negative pressure tower and the second negative pressure tower, the operation temperature in the two negative pressure towers is reduced, utilization of low-grade heat of the system is facilitated, it is guaranteed that all gasoline components and part of kerosene components of crude oil are completely extracted before entering the atmospheric towers, energy consumption is reduced, the heat utilization rate is increased, and the crude oil separation precision is improved.

The present invention discloses a method for controlling the concentration of platelet-rich plasma by suspended centrifugal separation, which belongs to the technical field of data analysis and processing. The method uses deep learning technology to learn historical data in the platelet separation process, thereby determining the nonlinear separation law in the platelet separation process, and then controls the subsequent platelet separation process according to the acquired nonlinear separation law, thereby achieving precise control of the platelet-rich plasma concentration, so as to improve the efficiency and accuracy of platelet separation. The method is suitable for clinical medicine, bioengineering and other fields.

The invention discloses a Raman-meter temperature and humidity laser radar detection system with three wavelengths and eight channels. The Raman-meter temperature and humidity laser radar detection system comprises a transmitting system, a receiving system, a data acquisition and processing system and a computer control system. Laser signals with the wavelengths of 355 nm and 532 nm are combined with a dynamic background light intensity adjusting mechanism, so that the signal sensitivity under the conditions of strong background light in the daytime and low background light at night is ensured. The light splitting module adopts a high-performance narrow-band optical filter and a multilayer medium coated dichroic mirror which are arranged at a preset inclination angle and cooperate with an achromatic lens group of the collimation system, so that efficient light beam transmission and accurate separation of multi-wavelength signals are realized, spectral crosstalk is remarkably reduced, and the system detection precision, the environment adaptability and the data processing reliability are improved; the method is suitable for all-weather and multi-scene atmosphere detection.

The invention discloses a gas-solid separation device and system for VOCs waste gas treatment, and relates to the technical field of waste gas treatment devices.The gas-solid separation system comprises a gas return pipeline, a three-way valve, a particle concentration detector, a high-pressure bin, a pressurizing tank and an adsorption system, the gas-solid separation device comprises a separation tank body and an arc-shaped pipeline which is connected with one end of the separation tank body and used for gas inlet, the arc-shaped pipeline is of a bent structure, and a collection box is arranged at the position, close to the side wall of the outer side, of the arc-shaped pipeline; the interior of the separation tank body is of a cone-like structure, and the inner diameter of the separation tank body is gradually reduced from one side, close to the arc-shaped pipeline, of the separation tank body to the other side of the separation tank body to form a conical bin; according to the waste gas treatment device, particulate matters with different particle sizes in waste gas can be finely filtered, and meanwhile, a backflow system is adopted, so that waste gas which does not reach the standard is prevented from entering subsequent treatment steps, and subsequent treatment equipment is prevented from being abraded.

The invention provides a reboiler and a rectification device, the reboiler is used for heating a mixture at the bottom of a rectification tower to separate the mixture, and the reboiler comprises a central pipe, a liquid-gas conversion pipe and a patch type heater. The central pipe has a first end and a second end which are oppositely arranged, the first end of the central pipe is connected to the rectifying tower, and the second end is provided with a heavy component outlet; the liquid-gas conversion pipe comprises a vaporization part and a connecting part which are connected with each other, the connecting part is connected to the first end of the central pipe, and light components in the mixture flow to the rectifying tower through the connecting part; the vaporization part is connected to the second end of the central pipe; and the patch type heater is sleeved on the outer wall of the vaporization part. The reboiler provided by the invention is simple in design structure and small in occupied space, and meanwhile, the separation efficiency and the separation accuracy of a mixture at the bottom of the rectifying tower can be improved.

The invention discloses separation equipment for recycling lithium battery positive and negative electrode disassembly waste, and relates to the technical field of waste sorting, the separation equipment comprises a feeding cylinder and a discharging cylinder, the discharging cylinder is provided with two cavities, a connecting ring is connected between the feeding cylinder and the discharging cylinder, the middle of the interior of the connecting ring is fixedly connected with a conical filtering disc and a plane filtering disc, and the conical filtering disc and the plane filtering disc are fixedly connected with the discharging cylinder. The conical filtering disc is located above the plane filtering disc, the plane filtering disc is located above one cavity of the discharging barrel, the feeding barrel and the discharging barrel are in bolted connection through at least two connecting threaded frames and nuts, and the connecting ring is fixedly connected with at least two vibrators. Through the separation pipeline and the suction device, the negative electrode materials on the conical filtering disc and the plane filtering disc can be effectively adsorbed, the negative electrode materials are prevented from being sieved and falling off along with the positive electrode materials, the separation precision of the positive electrode materials and the negative electrode materials is remarkably improved, and impurities in a mixture are reduced.

The invention discloses a porosity-adjustable PVDF / EVOH hollow fiber membrane and a preparation method thereof.The preparation method comprises the steps that polyvinylidene fluoride serves as a matrix phase, a first substance or a second substance serves as a pore-foaming agent, the matrix phase and the pore-foaming agent are evenly mixed and dried, and a spinning raw material is obtained; putting the spinning raw material into a twin-screw spinning machine, extruding and granulating to obtain first particles; uniformly mixing the first particles with the dispersed phase, then putting the mixture into a twin-screw spinning machine, and performing extrusion and granulation to obtain spinning master batches; putting the spinning master batch into a twin-screw spinning machine, and extruding to obtain a primary PVDF / EVOH hollow fiber membrane; and stretching the primary PVDF / EVOH hollow fiber membrane: firstly carrying out cold stretching at 20-28 DEG C, then carrying out hot stretching at 90-130 DEG C to obtain the PVDF / EVOH hollow fiber membrane, and carrying out ultrasonic extraction and washing to obtain the porosity-adjustable PVDF / EVOH hollow fiber membrane. According to the invention, the interface pore-making principle is utilized to regulate and control multiple pore structures of dissolution pores, interface pores and stretching pores, so that the membrane pores are compact, the separation precision is high, and the permeability is good.

The embodiment of the present application provides a wellhead natural gas gas-liquid separation device, which relates to the field of natural gas separation technology. A wellhead natural gas gas-liquid separation device comprises: a mounting mechanism, a separation mechanism, the separation mechanism is located in the middle of the upper end of the mounting mechanism, a liquid production regulating mechanism, the liquid production regulating mechanism is located at the upper end of the separation mechanism, a filtering mechanism, the filtering mechanism is located inside the upper end of the mounting mechanism, the filtering mechanism is located at the upper ends of the separation mechanism and the liquid production regulating mechanism, and a driving mechanism, the driving mechanism is located on one side of the upper end of the mounting mechanism, and the driving mechanism drives the separation mechanism to rotate. The positions of the flow control plate, the liquid production plate and the filter screen can be adjusted synchronously, so that the flow process and separation process of the gas-liquid mixture in the separation device are correspondingly optimized, thereby improving the separation quality of mixtures with different gas-liquid ratios.

The invention discloses a three-dimensional multi-seismic-source mixed collection seismic data rapid separation method based on prior information constraint, and the method comprises the steps: dividing three-dimensional seismic data into a series of slices along an x axis or a y axis, carrying out the multi-scale and multi-direction two-dimensional curvelet transformation of the three-dimensional seismic data to obtain a curvelet domain coefficient, and introducing a conventional iterative shrinkage threshold algorithm for separation; then, according to the characteristic that curvelet coefficient support sets of two adjacent slices have a large intersection, a priori information constraint condition is established in a curvelet domain by using a priori support set provided by a previous slice of which aliasing noise is removed, the constraint condition is fused into an iterative shrinkage threshold algorithm, and an estimation precision factor formula is proposed; and a novel index threshold parameter formula is adopted to perform multi-seismic source mixed collection seismic data separation. According to the method, the signal-to-noise ratio of the separated seismic data is increased, the calculation speed is increased, the requirement for a computer memory is lowered, weak effective wave signals are recovered, and the single-shot reflected wave event is more continuous and clearer.

The utility model relates to a kind of for prothioconazole oxidation synthesis light heavy component automatic separation device, belong to chemical production technical field, including prothioconazole oxidation synthesis component phase tank, mixed liquor regulating valve, light component regulating valve, heavy component regulating valve, flowmeter, mixed liquor regulating valve, light component regulating valve, heavy component regulating valve, flowmeter are all set to prothioconazole oxidation synthesis component phase tank, prothioconazole oxidation synthesis component phase tank is provided with mixed liquor feed inlet, light phase outlet, heavy phase outlet, blow-off, the utility model, optimization tank body structure realizes unpowered high-efficiency separation, reduce equipment cost, improve separation precision and product purity, by phase tank stratification structure optimization, light / heavy phase outlet height difference design and valve control, to effectively reduce entrainment rate, interface height and flow are monitored in real time, dynamically regulate valve opening, when heavy component proportion increases, automatically increase heavy component valve opening, to effectively reduce artificial dependence.

The utility model relates to a kind of spherical graphite particle refining separation devices, belong to graphite particle separation technical field, including box, the surface of the box is equipped with two groups of recesses extending to inside, each recess is slidably connected with screen, the lower portion of the box is provided with first discharge slot, the first discharge slot bottom is connected with the pipe way of impurity removal, the upper portion of the pipe way of impurity removal is provided with detachable filter screen, the lower portion of the pipe way of impurity removal is connected with the impurity removal bin, the side surface of the impurity removal bin is installed with fan, the surface of the impurity removal bin is installed with bin door, the utility model is connected with the impurity removal bin below the pipe way of impurity removal and the fan installed in its side surface, the airflow generated by fan can effectively separate and collect dust, chippings and other light impurities in material in the impurity removal bin, reduce the impurity content in spherical graphite particle, the bin door installed on the surface of the impurity removal bin is convenient for regular cleaning of the impurities collected in bin.

The utility model relates to a mixed solution layering device which comprises a liquid storage tank and at least two partition plates vertically arranged in the liquid storage tank, a gap is kept between the upper side of each partition plate and the top of the liquid storage tank to form a first circulation channel, and one of the front side and the rear side of each partition plate is connected with the corresponding side wall of the liquid storage tank. A gap is kept between the other partition plate and the corresponding side wall of the liquid storage tank to form a second circulation channel, and the second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode; a liquid inlet is formed in one of the front side and the rear side of the liquid storage tank, a first liquid outlet is formed in the other one, a second liquid outlet is formed in the bottom side of the liquid storage tank, and the liquid inlet and the first liquid outlet are located in the sides, away from each other, of the first partition plate and the tail partition plate respectively. The mixed solution layering device provided by the utility model is provided with a plurality of partition plates, so that the liquid flow impact force is dispersed, and the mixed solution is uniformly distributed; second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode, the flowing path is prolonged, the standing time is prolonged, and layering is sufficient.

This invention belongs to the technical field of aviation transponder pulse overlap signal separation methods, specifically relating to a separation method applicable to Mode A / C aviation transponder pulse collision conditions. By analyzing the differential characteristics of the Mode A / C aviation transponder signal waveform in the time and energy domains, the pulse collision signal is effectively split. Based on the waveform definition characteristics of the Mode A / C aviation transponder signal, the pulse frame is accurately recovered from the separated signal, ultimately completing the separation process of the Mode A / C collision pulse signal. This invention requires only a single-channel receiver to achieve signal separation, reducing system implementation costs and engineering difficulty, effectively improving the system monitoring capability in densely overlapping electromagnetic environments, and providing an efficient and engineered solution for transponder pulse signal separation tasks in scenarios such as air traffic surveillance and low-altitude airspace management.

The utility model relates to an esterification separation tower including the upper tower body of lower tower body connection, through the coaxial setting inside, middle, outer three layer coil pipe components in the lower tower body, the lower tower body bottom end is equipped with the heat medium inlet pipe, and the inlet of inside coil pipe, middle coil pipe and outer coil pipe is linked with the heat medium inlet pipe, and the lower tower body top end side is equipped with the heat medium outlet pipe, and the outlet of inside coil pipe, middle coil pipe and outer coil pipe is linked with the heat medium outlet pipe, has built three -dimensional heating system, and three layer coil pipe passes through covering the center of lower tower body, the intermediate of lower tower body and inner wall and the edge area of inner wall, has formed the uniform stable temperature field, has eliminated the problem that the material coking phenomenon and the reaction of low temperature area are not sufficient caused by local overheating significantly, has promoted the heat transfer efficiency and energy utilization ratio, has guaranteed the stability and fullness of esterification reaction and separation process simultaneously, has improved the efficiency of separation.

The present invention discloses an intelligent speech separation system based on deep learning. The present invention preprocesses a high-dimensional feature vector sequence, calculates the pitch frequency and MFCC coefficient of the audio frame, performs quantization, normalization and fusion operations, and then obtains a feature sequence of separated speech signal components through a series of calculations. The influence of timbre and pitch characteristics on speech source correlation is fully considered, and the accuracy of speech separation is improved. After the separation is completed, the separation quality index of each separated speech signal component is calculated, and the optimized signal component is marked based on the result of the separation quality index comparison. The optimized signal component is optimized by repeatedly inputting the model, and the separation accuracy is further improved.

This utility model provides a high-precision gas-liquid separation and purification device, relating to the field of pharmaceutical production equipment technology. It includes: a tank body with a set of support legs at the bottom and an air inlet pipe on one side; a separator installed inside the tank body; a friction cover above the separator; and a wire mesh demister installed on the inner side of the positioning housing at a stepped groove. A guide block inside the air inlet pipe causes the airflow and moisture to form a swirling flow, initially separating the gas and liquid using centrifugal force. A return bend further separates the gas and liquid, preventing secondary mixing of moisture into the airflow. The separator rotates under the impact force of the airflow to achieve a second swirling separation. The synergistic effect of these multiple separation mechanisms significantly improves the gas-liquid separation efficiency and precision, ensuring the dryness and purity of the output gas, and meeting the requirements of applications with high gas quality standards.

The utility model relates to down processing technical field discloses a kind of down processing down feather separation equipment, including sorting bucket, two fans are fixedly connected in sorting bucket one end, fan output end is fixedly connected in sorting bucket one end, vibration assembly is provided in the outer wall one side of sorting bucket, the vibration assembly includes vibrating screen, vibrating screen is arranged in the outer wall one side of sorting bucket, screen is fixedly connected in the inner wall of vibrating screen, the outer wall both sides of vibrating screen are fixedly connected with shaft, the outer wall rotationally connected with support plate of shaft, the lower surface of support plate is fixedly connected with spring, the first support frame is fixedly connected in spring one end. In the utility model, down feather with impurity is put into vibrating screen entrance one end, motor drives vibrating screen to carry out periodic vibration, spring reduces noise and avoids structure damage. Add vibration assembly, pre-separate large block impurity and coarse hair stem, reduce the burden of fan, improve separation precision.

The invention belongs to the field of separation and filtration, and particularly relates to a filtering membrane with aperture sizes in gradient arrangement and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a membrane casting solution: mixing and dissolving dimethylacetamide, polyether sulfone, polyethylene glycol and an auxiliary agent, and defoaming to obtain the membrane casting solution; (2) preparing core liquid: mixing dimethylacetamide with water to obtain the core liquid; (3) preparing a gel bath: mixing dimethylacetamide with water to obtain the gel bath; the concentration of the gel bath is smaller than that of the core liquid; and (4) preparing the filter membrane: enabling the membrane casting solution to be in contact with the core solution and the gel bath through a spinneret plate, and enabling membrane filaments to pass through the gel bath to a filament collecting tank, so as to obtain the filter membrane of which the pore sizes are arranged in a gradient manner. The pore diameter of the filtering membrane is changed from a large pore diameter on one side to a small pore diameter on the other side in a gradient manner, and the filtering membrane has high retention rate and high flux, high mechanical strength, easy cleaning and low energy consumption.

The small-sized automatic corn fertilizer applicator comprises a vehicle head, a vehicle body, a fertilizer suction device, a ditching device and a soil covering device, and a conveying device, a crushing and separating device and a fertilizer distributing device are arranged in the vehicle body; a spiral conveying channel is arranged in the fertilizer suction device, and a feeding hole and a discharging hole of the conveying device are respectively communicated with a discharging hole of the fertilizer suction device and a feeding hole of the crushing and separating device; the crushing and separating device comprises a plurality of layers of crushing areas, each crushing area is provided with a filter screen, and the structures of the filter screens in all the areas are different; the fertilizer distributing device is arranged at the bottom of the smashing and separating device, a discharging port of the fertilizer distributing device extends out of the vehicle body, and a control switch used for controlling discharging is arranged on the fertilizer distributing device. According to the structure, the functions of fertilizer filling, conveying, smashing, filtering and separating, precise fertilization, ditching and soil covering and land leveling in the corn fertilization process can be achieved, operation is easy, labor is saved, and the corn fertilization device is suitable for fertilization in all stages of corn growth.

The application discloses a farmland point cloud ground separation method and system based on topological persistence analysis, and belongs to the technical field of the cross of precision agriculture and point cloud data processing technology, and comprises the following steps: pre-processing and coordinate alignment of three-dimensional point cloud data of a farmland environment; projecting the three-dimensional point cloud to a two-dimensional plane and performing rasterization processing, and then generating a two-dimensional elevation field; topologically decomposing the two-dimensional elevation field by adopting a step-by-step threshold scanning, extracting connected components in each layer of binary results, and tracing the evolution process of the connected components between adjacent elevation layers; calculating topological persistence features of each connected component; classifying the ground and crops based on the topological persistence features and the spatial features of the connected components; and outputting the classified ground point cloud and crop point cloud. The application solves the technical problems of strong parameter dependence and poor robustness of the existing method, and provides high-quality basic data for precision agriculture application.

The invention relates to the field of non-contact physical sign perception, in particular to a human body vital sign perception method based on VMD + ACMD joint decomposition, which comprises the following steps of data acquisition, distance angle heat map generation, direct current bias removal, expansion DACM phase extraction, signal decomposition, signal reconstruction, feature extraction, time-frequency analysis and the like. According to the invention, the VMD and the ACMD are combined for use, and the frequency resolution capability of the VMD and the adaptive decomposition capability of the ACMD are fully utilized. Through the combined decomposition, the analysis capability of the micro-motion signal is enhanced, the sign extraction precision is remarkably improved, compared with a traditional single decomposition method, the scheme improves the separation precision of the sign signal, the modal aliasing problem is reduced, the higher signal quality is ensured, and by enhancing the main frequency component of the sign signal, the sign extraction precision is improved. Interference of background noise is effectively suppressed, especially in a complex or high-noise environment, high signal-to-noise ratio of signals can be ensured, and accurate extraction of sign signals such as heart rate and respiratory rate can be improved.

The invention provides a polyvinylidene fluoride hollow fiber membrane and a preparation method and application thereof, and relates to the technical field of hollow fiber membranes. The polyvinylidene fluoride hollow fiber membrane of the invention is provided with a through hollow cavity inside, and the cavity wall of the hollow cavity comprises an outer filter layer, an intermediate transition layer and an inner filter layer which are integrally arranged, the outer filter layer has a nanopore size, the inner filter layer has a micron pore size and a pore size range of 0.1-1 μm, the pore size of the cavity wall decreases from the inside to the outside, the thickness of the outer filter layer is 15-30% of the thickness of the cavity wall, and the thickness of the inner filter layer is 20-50% of the thickness of the cavity wall. The invention also provides a preparation method and application of the polyvinylidene fluoride hollow fiber membrane. Compared with the prior art, the invention solves the problems of poor hydrophilicity, low permeability, difficulty in extracting oil-soluble diluents and high residual toxicity risk in the existing general thermotropic phase preparation technology of polyvinylidene fluoride hollow fiber membranes for virus removal.

The application discloses a light transmittance and hardness integrated detection method based on nano-cristalline glass, and belongs to the technical field of nano-cristalline glass detection. The method comprises the following steps: applying a dynamic load to the surface of a nano-cristalline glass sample, and synchronously collecting stress response data and transmission light intensity change data under the dynamic load; according to the corresponding relationship between the stress response data and the transmission light intensity change data in time sequence, a load-transmission synchronous response curve is constructed; the light transmittance characteristic value under different stress states is extracted from the curve, and the hardness characteristic value is determined according to the loading process of the dynamic load and the stress response data; and the light transmittance characteristic value and the hardness characteristic value are input into a preset quality discrimination model, and an integrated detection result is output. The method realizes synchronous acquisition and fusion discrimination of the light transmittance and hardness information of the nano-cristalline glass in the same loading process.

The present application discloses a system and method for disassembling a tray of a battery cell, which is applied to a liquid injection host computer, and comprises: in response to the battery cell after liquid injection arriving at the tray disassembly station, obtaining the tray code of the tray; wherein the tray is used to carry the battery cell; based on the tray code, determining the position index information of the battery cell in the tray in the tray data table obtained by the code reading station; wherein the code reading station is the station before the tray disassembly station; based on the position index information and the tray code, controlling the tray disassembly mechanism deployed at the tray disassembly station to separate the tray and the battery cell, so that the battery cell enters the next station in the liquid injection process. In this way, the efficiency and accuracy of separating the battery cell from the tray after liquid injection can be improved.

The present invention specifically relates to a sound field separation system and method based on a spherical measuring surface, the sound field separation system includes a target sound source and an interfering sound source, the mixed sound field generated by the target sound source and the interfering sound source is used as the sound field to be separated; a spherical measuring surface is arranged between the target sound source and the interfering sound source, and measurement points are arranged on the spherical measuring surface; the spherical measuring surface is composed of a spherical array, and a hemispherical equivalent source surface is arranged on each side of the spherical array, and equivalent source points are arranged on the equivalent source surface; the sound pressure signal measured by the spherical measuring surface and the propagation function of the equivalent source surface are brought into the sound field information separation model to obtain the equivalent source strength, thereby obtaining the sound field generated by the sound sources on both sides of the spherical measuring surface, and realizing sound field separation. The sound field separation system and method of the present invention adopts a single-layer spherical measuring surface to measure the sound pressure, and uses the measured sound pressure information to achieve sound field separation under the condition of fewer measurement points, with higher separation accuracy.