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120results about How to "Guaranteed recovery effect" patented technology

Compressive-sensing-based sparse signal under-sampling method and implementation device

ActiveCN103178853ADownsamplingReduced rate requirementsAnalogue-digital convertersLow-pass filterSignal on
The invention relates to a compressive-sensing-based sparse signal under-sampling method and an implementation device, which are used for lowering a sampling rate of frequency-domain sparse signals on the premise of guaranteeing the restoration effect of the signals. The method comprises the following steps of: generating a trigger signal and an m sequence by an FPGA (Field Programmable Gate Array), carrying out frequency mixing on the m sequence and the measured sparse signal after the m sequence is modulated, and carrying out filtering by a low pass filter; sampling the filtered signal and storing sampled data by a data sampling module after the data sampling module detects the triggering signal; and calculating a transfer function of a system and the m sequence corresponding to the sampled data when the signal is reconstructed, and then restoring the original signal by an OMP (Orthogonal Matching Pursuit) signal reconstructing algorithm. The compressive-sensing-based sparse signal under-sampling method and the implement device are suitable for the under-sampling of frequency-domain sparse analogue signals.
Owner:HARBIN INST OF TECH

Service restoration method

Based on the mutual independence between the service level agreement (SLA) and the recovery priority, when the heavy route happens, the method comprises: the head node of the heavy route service ranks the service needing to make heavy route according the different recovery priority; according to the result of ranking and the known sequence of link resource usage and occupation, firstly recovering the service with high recovery priority.
Owner:HUAWEI TECH CO LTD

Data access structure and method of database cluster

The invention discloses a data access structure of a database cluster. The data access structure of the database cluster comprises a database server cluster, a database client side, a database monitoring module, a distributed configuration management service module and a distributed configuration management client side, wherein each group of servers of the database server cluster is provided with a main server and a backup server. The invention adopts another technical scheme that the invention discloses a data access method of the database cluster. The invention has the beneficial effects that the main server and the backup server are arranged to enable the data access of the database cluster has the advantages of good disaster tolerance, maintainability, expandability and reliability, the reliability of data access service and recovery capabilities during disastrous accidents can be guaranteed.
Owner:XIAMEN MEET YOU INFORMATION TECH

Voice prompt manual cardiopulmonary resuscitator

The invention relates to a medical appliance, in particular to a voice prompt manual cardiopulmonary resuscitator used in first aid and rescue of cardiac arrest cases. The major technology adopts manual operation that: a user can hold a handle by hand to press down an adjustable pressing rod at a frequency of 100times / minute; thus, a pressing column is driven to move up and down 4 to 5cm, and a pressing rubber head presses the lower part of a breastbone to move up and down 4 to 5cm in the same way, thereby reaching the goal of cardiac compression; moreover, when moving up and down, the pressing column pulls an air-compressing rack and an air sac cover to move downwards periodically at a frequency of 10times / minute; and a ventilation change-over switch at the upper end of the air-compressing rack can be adjusted to ensure that 300 or 600ml air in an air sac enters the respiratory tract of a patient through a chassis air sac blow vent, an air division check valve, and the like; thus, an inspiratory process of the patient is completed. The voice prompt manual cardiopulmonary resuscitator has the advantages of simple structure, easy manufacturing, low price and no restriction on using condition.
Owner:刘大志

Super-resolution sparse reconstruction method based on discriminative canonical correlation

The invention provides a sparse face super-resolution reconstruction method based on discriminative canonical correlation. The extracted high and low resolution image features are projected to correlation subspaces by using supervised canonical correlation analysis, and neighborhood reconstruction is performed in the correlation subspaces by using sparse neighbor selection. The sample intra-class and inter-class correlation is fully considered, and supervision information is added so that the extracted features are enabled to be more discriminative, and the corresponding high-resolution images of test samples can be better reconstructed. Meanwhile, the sparse selection method is used in reconstruction neighbor selection, and the appropriate neighbors are self-adaptively selected for reconstruction according to the correlation of different training samples and the test samples so that the recovered global face images can be obtained. Compensation of detail information is performed by using the method and the idea of two-step method neighborhood reconstruction so that the high-resolution residual error images are reconstructed, and the global face images and the residual error images are added and thus the final high-resolution face images are obtained.
Owner:刘姣姣

Method for recovering metal elements from waste and old ternary lithium-ion battery

The invention relates to a method for recovering metal elements from a waste and old ternary lithium-ion battery, belongs to the technical field of recovery of waste and old batteries, and aims at solving the problem that the conventional method is low in recovery rate of metal elements. The method comprises the following steps: disassembling the waste and old ternary lithium-ion battery, and collecting the powder of positive electrode materials of the battery; preprocessing the powder of the positive electrode materials with a mixed solution containing biogenic organic acid and bioflavonoid;filtering, and collecting the filtrate; selectively depositing the collected filtrate; recovering at least one metal element. According to the method, the adhesive component in the positive electrodematerial can be effectively removed and decomposed, so that the metal elements can be effectively separated and dissolved out, thus the dissolving rate is effectively increased, and the subsequent recovery effect of the metal elements can be ensured.
Owner:ZHEJIANG FOREVER NEW ENERGY TECH CO LTD +1

Method and system for recycling struvite from sludge

The invention provides a method and a system for recycling struvite from sludge, and solves a problem that lots of phosphorus resources are wasted as a large number of phosphorus elements exist in a solid phase and cannot be fully released or extracted during sludge treatment. The method comprises the following steps: firstly, performing ultrasonic treatment on thick sludge in an ultrasonic reaction tank while stirring; secondly, performing solid-liquid separation treatment on the thick sludge subjected to ultrasonic treatment through a diaphragm plate-and-frame filter press to obtain a dehydrated mud cake and a filtrate, and conveying the dehydrated mud cake out to be processed; thirdly, performing secondary filtration on the filtrate through a filtering device to obtain a secondary filtrate, and mixing the secondary filtrate with a magnesium source according to a molar ratio of Mg: P of being (1.3-1.5): 1 in a struvite reaction recovery device for struvite reaction treatment, wherein the reaction treating time is controlled to be 2 hours, and in the struvite reaction treatment process, struvite particles are precipitated out from the secondary filtrate; finally, collecting the precipitated out struvite particles after the struvite reaction treatment, allowing the secondary filtrate to flow back to a sewage treatment plant to be treated further.
Owner:WUXI HUAGUANG BOILER

Method for exploiting soft and broken ore body

The invention discloses a sublevel caving method for exploiting a soft and broken ore body without a sill pillar. By using the method, the problem that developing roadways are destroyed by ground pressure is effectively solved, the stability of the roadway engineering and the utilization rate of the developing roadways are improved, the support cost is lowered, the operational safe condition is improved, the mining cost is lowered, and the ore recovery is raised. The technical proposal comprises the following key points: depressurizing by the sublevel caving method without a sill pillar, firstly tunneling and backstoping a first-section ore body, transferring the pressure above an area to be backstoped of next section to the rock mass around the ore body to ensure no over high stress concentration in the backstoping area so as to form a stress decrease area, and excavating in the stress decrease area, wherein the first section uses a large backstoping roadway distance to ensure the stability of the backstoping roadway. The invention is suitable for exploiting a soft and broken ore body in the high-stress area by the sublevel caving method without a sill pillar.
Owner:KUNMING UNIV OF SCI & TECH

Colorful digital image repairing method based on compressed sensing

The invention provides a colorful digital image repairing method based on compressed sensing, comprising the following steps: step 1, pre-treating an original damaged image and assigning a value of a damaged part of the image to be 0; step 2, dividing the image into blocks and analyzing to generate a singular matrix of the damaged part of each image block; step 3, multiplying the image blocks obtained in step 2 by the singular matrix to obtain a signal to be collected; then, representing the signal to be collected by using a CS sparse base to obtain a corresponding sparse signal; and finally, multiplying the sparse image by a randomly-generated Gaussian measurement matrix to obtain an observation signal; and step 4, utilizing a logarithm barrier function method based on total variation to recover a CS observation signal obtained in step 3 to obtain a recovered image. According to the colorful digital image repairing method based on compressed sensing, a specific structure which is not attached to the image has a similar recovering effect aiming to different images and can be used in different environments.
Owner:SHANGHAI JIAO TONG UNIV

Fast stripping device for cable recovery

The invention relates to the technical field of cable recovery equipment, in particular to a fast stripping device for cable recovery. The fast stripping device comprises a fixedly mounted recycle boxand a wire core box. Multiple support feet are mounted on the lower ends of the recycle box and the wire core box. The side wall of the recycle box is provided with a recycle cable in an insertion way. The recycle cable comprises a cable sheath and a wire core located in the middle of the cable sheath. The output end of the wire core penetrates through the side wall of the recycle box and extendsinto the inner cavity of the wire core box. A cable stripping device is arranged on the inner top wall of the recycle box at the position corresponding to the recycle cable, and a reeling assembly isinstalled at the lower part of the inner cavity of the recycle box. The shortcomings in the prior art are overcome, and the device has reasonable design and compact structure and effectively solves the problem of manual stripping which is poor in stability and liable to cause stripping personnel to be cut by a tool, and the stripping depth is uneven and the internal structure of the cable is liable to be damaged and the problem of low efficiency of manual stripping and thus has higher social use value and application prospect.
Owner:ANHUI TIANMING CABLE

Super-resolution method and device, terminal equipment and storage medium

The invention provides a super-resolution method and device, terminal equipment and a storage medium, relates to the technical field of deep learning, and can reduce the calculation amount. The super-resolution method comprises the following steps: inputting a to-be-processed low-resolution image into a trained classification super-resolution network model for processing, and outputting to obtain a high-resolution image corresponding to the low-resolution image, wherein the classification and super-resolution network model comprises a classification model and a plurality of super-resolution network models with different complexities, and the processing process of the classification and super-resolution network model on the low-resolution image comprises the following steps of: cutting the low-resolution image into a plurality of sub-images; for each subimage, determining the complexity of the subimage according to the classification model, inputting the subimage into a super-resolution network model corresponding to the complexity of the subimage in the plurality of super-resolution network models for processing, and outputting a reconstructed image of the obtained subimage; and splicing the reconstructed images of the sub-images to obtain a high-resolution image.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Coal gas scrubbing tower

The invention relates to a coal gas wash tower which comprises a tower body, wherein the upper part of the tower body is provided with a spray pipe and a gas outlet pipe, the lower part of the tower body is provided with a gas inlet pipe and a water outlet pipe, the side wall at the middle part of a cavity of the tower body is provided with a baffle plate, the baffle plate divides the cavity of the tower body into an upper section and a lower section and is provided with a coal gas channel which is internally provided with a coal gas through hole, the upper end of the coal gas channel above the coal gas through hole is provided with a rising pipe, the side wall at the lower part of the upper section of the cavity of the tower body is provided with the water outlet pipe, the side wall at the upper part of the lower section of the cavity of the tower body is provided with the spray pipe, the lower section of the cavity of the tower body is internally provided with a heat pipe soft water heater, the heat pipe soft water heater comprises vacuum heat pipes and a heating pipe, the vacuum heat pipes are internally provided with liquid heat transfer medium, and the oblique inserted vacuum heat pipes are distributed around the outer side wall of the heating pipe from top to bottom; the outer end of each vacuum heat pipe is arranged in the cavity of the tower body, and the inner end of each vacuum heat pipe is inserted in the heating pipe; the upper part of the heating pipe is provided with a soft water inlet and the lower part is provided with a soft water outlet pipe, and the soft water inlet pipe and the soft water outlet pipe respectively penetrate out of the side wall of the tower body.
Owner:NANTONG JUNYUAN TECH COMPANY

Image deblurring method and device, computer equipment and storage medium

The invention discloses an image deblurring method and device, computer equipment and a storage medium. The method comprises the following steps: constructing a residual network ResNeXt, and carryingout the feature extraction of an original image to obtain five initial feature graphs; carrying out convolution operation with the convolution kernel size of 1 * 1 on the initial feature graphs to obtain five intermediate feature graphs; carrying out detail recovery iterative processing on the intermediate feature graphs, and performing convolution operation to obtain five detail feature graphs; performing nearest neighbor up-sampling on the five detail feature graphs, and converting the five detail feature graphs into detail feature graphs with the same size; merging the detail feature maps of the same size to obtain a feature-fused feature graph; and performing convolution operation on the feature-fused feature graph, then carrying out double nearest neighbor up-sampling to obtain a feature map with the same size as the original picture, and performing convolution operation on the obtained feature graph to obtain a deblurred image. Image features under different scales are fused, andthe image detail recovery effect is ensured while the algorithm efficiency is ensured.
Owner:华润数字科技有限公司

Intelligent active portable cardiopulmonary resuscitation instrument

ActiveCN110090139AAdd negative pressure functionEasy to carryRespiratorsHeart defibrillatorsCardiopulmonary resuscitation kitMedical decision making
The invention relates to an intelligent active cardiopulmonary resuscitation instrument. The technical scheme adopted by the invention lies in that the intelligent active cardiopulmonary resuscitationinstrument comprises a cardiopulmonary resuscitation system which can be mounted on a stretcher in a sliding manner, wherein the cardiopulmonary resuscitation system comprises a supporting structure,a control device, a monitoring device, a pressing device, a defibrillation device and a respiratory device; the pressing device is arranged on the upper part of the supporting structure, and comprises a pressing machine and a vacuum generator which is connected with the pressing machine; the pressing machine comprises a main pressing machine and an auxiliary pressing machine; the auxiliary pressing machine comprises at least two auxiliary pressing suckers; the auxiliary pressing suckers are connected with the defibrillation device; and the defibrillation device comprises a cardioversion electrode piece which is arranged in each auxiliary pressing sucker. Through the adoption of the intelligent active cardiopulmonary resuscitation instrument disclosed by the invention, in order to solve the problems that the medical care professional background of masses is still insufficient and a conventional cardiopulmonary resuscitation instrument cannot automatically adjust the pressing depth, thecardiopulmonary resuscitation instrument which is capable of performing medical decision making, automatically adjusting the pressing depth and performing active decompressing is designed, and increasing the success rate of cardiopulmonary resuscitation is facilitated.
Owner:钟敬泉

Restoring method of original vegetation site of high-altitude meadow area

The invention discloses a restoring method of an original vegetation site of a high-altitude meadow area. The method specifically includes the following steps of firstly, stripping off turf, wherein the original turf is stripped off, and original bushes are transplanted; secondly, storing the turf, wherein a highland turf storage area is arranged, and the turf stripped off in the first step is stacked in a concentrated mode, covered with a dense-mesh net and pressed by a heavy object; thirdly, spraying water on the turf for conservation, wherein water is sprayed on the turf stacked in the concentrated mode in the second step for conservation; fourthly, processing the original site, wherein the original ground is flattened, and large-grained stone is removed; fifthly, restoring the site, wherein the original site processed in the fourth step is directly covered with the turf conserved in the third step. By means of the process, the effect of environment-friendly restoration constructionunder a highland special environment is improved, the construction difficulty and construction cost are greatly reduced, the damage of engineering construction to a local ecological environment is reduced to the minimum, and the method has quite beneficial technological advantages.
Owner:CHINA FIRST HIGHWAY ENG +1

Garbage collection method, device and equipment based on block chain and storage medium

The invention discloses a garbage collection method, and device based on a block chain, garbage collection equipment based on a block chain and a storage medium, and belongs to the technical field ofblock chains. The method comprises: based on a garbage throwing instruction of a target user, obtaining a user identifier of a target user, and obtaining the throwing type of the garbage bag; based onthe delivery category and the user identifier of the target user, generating a first throwing record of the garbage bag on a block chain of a block chain system, and obtaining a garbage recycling result generated by a target garbage treatment mechanism, wherein the garbage collection result is generated based on the first throwing record and the category of each article in the garbage bag; and sending the garbage collection result to the target user. In the garbage collection process, the garbage collection result can be accurately fed back to the target user who throws garbage, so that the target user can know the situation of garbage classified throwing this time, the garbage classification quality is gradually improved, and the garbage collection effect is ensured.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Method and apparatus for managing and transmitting fine granularity services

Embodiments of the present invention provide a method and an apparatus for managing and transmitting fine granularity services. The method includes: increasing the bandwidth of an existing LSP which controls a fine granularity service with the same granularity as that of a new fine granularity service to be established, upon determining that the new fine granularity service shares the same source node and destination node with the existing LSP; and transmitting the new fine granularity service with the increased bandwidth of the existing LSP. The bandwidth utilization rate of optical networks can be obviously increased when transmitting fine granularity services in accordance with the embodiments of the present invention; furthermore, the storage space of each node through which the LSP passes is saved and the recovery performance of fine granularity services is guaranteed.
Owner:HUAWEI TECH CO LTD

Mortise and tenon joint type self-resetting pier with half-moon-shaped energy dissipater

PendingCN114263098AEquipped with a half-moon energy dissipatorIncrease stiffnessBridge structural detailsMortise and tenonPre stress
The tenon-and-mortise type self-resetting pier comprises a half-cast-in-place pier, an upper segment pier, a half-moon-shaped energy dissipater body and prestressed tendons, a fixing groove is formed in the upper portion of the half-cast-in-place pier, a rubber cushion layer is laid on the fixing groove, a tenon is arranged on the lower portion of the upper segment pier, and the half-moon-shaped energy dissipater body is arranged on the lower portion of the half-moon-shaped energy dissipater body. The tenon is in a downward protruding shape, a second notch is formed in the periphery of the tenon, and the second notch is in an inward concave shape. According to the tenon-and-mortise type self-resetting pier with the half-moon-shaped energy dissipater, the half-moon-shaped energy dissipater body is arranged, energy dissipation pieces are made of low-yield-point steel, and energy dissipation parts do not need to be arranged through expensive materials or advanced technologies; the energy dissipation piece is designed to be detachably installed, after the energy dissipation piece is damaged in an epicenter, the performance of the pier can be restored by timely replacing the energy dissipation piece, cost and carbon emission can be reduced, and the half-moon-shaped steel plates located on the energy dissipation piece can be additionally arranged and reduced according to different working conditions and engineering requirements.
Owner:ZHENGZHOU UNIV

Garden nursing maintenance device and maintenance method thereof

The invention discloses a garden nursing maintenance device and a maintenance method thereof. According to the invention, fixed frames are fixedly connected with and arranged at the top end of a baseat equal intervals; door plates are fixedly connected with and arranged at the positions, corresponding to the inner sides of the fixed frames, of two sides of the top end of the base; windproof plates are fixedly connected with and arranged at the positions, corresponding to the side edges of the fixed frames, of the top end of the base; a collecting, anti-waterlogging and infiltration system isarranged at the top ends of the windproof plates; and a protective sun-shading and cooperative collecting mechanism is arranged at the position, corresponding to the top part of the collecting, anti-waterlogging and infiltration system, of one ends of the fixed frames. The garden nursing maintenance device provided by the invention is scientific and reasonable in structure and safe and convenientto use; through arrangement of the collecting, anti-waterlogging and infiltration system, rainwater is filtered through arc-shaped filtering plates, so the rainwater falls onto a water collecting box;through flow guiding grooves located at the top end of the water collecting box, the rainwater is drained into a water storage cavity, so the rainwater is collected, and the rainwater recycling effect is guaranteed, and the resource utilization rate is increased; vegetation is cultivated through cultivation grooves; meanwhile, water in the cultivation grooves is filtered into water collecting grooves through grids.
Owner:唐建桥

Traditional Chinese medicine preparations for internal and external two-way treatment of gout and preparation method thereof

The invention relates to traditional Chinese medicine preparations for internal and external two-way treatment of gout and a preparation method thereof. The traditional Chinese medicine preparations are formed by an orally taken preparation and an external applied preparation, wherein the orally taken preparation is prepared from 5-10 parts of leech, 10-15 parts of lotus plumule, 10-15 parts of angelica sinensis, 10-15 parts of wolfberry and the like; and the external applied ointment is prepared from 10-15 parts of garden balsam stem, 10-15 parts of momordica cochinchinensis, 3-5 parts of chrysophanol and 20-30 parts of dog bone glue. The traditional Chinese medicine preparation has the beneficial effects that the solvent capable of dissolving urate is matched with the orally taken preparation capable of dissolving and neutralizing uric acid in blood to realize internal and external two-way treatment of gout; the clinical effect is obvious; and the curative effect is reliable.
Owner:邹金林

Vein transfusion device for nursing teaching

The invention relates to a vein transfusion device for nursing teaching. The vein transfusion device comprises a transfusion bottle, a transfusion bottle puncture needle, a first transfusion pipe, a dripper, a second transfusion pipe, a second transfusion pipe adjuster, a filter, a vein puncture needle and a human hand simulating component, wherein a simulated blood vessel is arranged in the humanhand simulating component and is connected to the lower part of the transfusion bottle through a communication pipe; and the vein transfusion device further comprises a vacuum negative pressure generator, the vacuum negative pressure generator is connected to the upper part of the transfusion pipe through an air pipe, and the dripper comprises an elastic pneumatic switch. By utilizing the vein transfusion device, the wasting of a disposable transfusion device and sterile liquid can be avoided, and meanwhile, the teaching efficiency and quality are guaranteed.
Owner:ZIBO VOCATIONAL INST

Operating room nursing device for raising legs of patient

The invention relates to the technical field of medical care, and discloses an operating room nursing device for raising the legs of a patient. The operating room nursing device comprises a base; arc-shaped sliding grooves are formed in the top surface of the base; a base plate is fixedly connected to the top of the base; cross rods are hinged to the outside of the base plate; bottom support rodsare fixedly connected to the bottoms of the cross rods; fixed seats are fixedly connected to the interiors of the cross rods; first springs are fixedly connected to the interiors of the fixed seats; buffer sliding blocks are fixedly connected to the exteriors of the first springs; wedge blocks are movably connected to the interiors of the fixed seats; and leg supporting rods are movably connectedto the interiors of the buffer sliding blocks. Through cooperative use of the fixed seats, the first springs, the buffer sliding blocks, the leg supporting rods and leg supporting plates, the effect of supporting the legs of the patient is achieved, the leg pressure of the patient is reduced, and the comfort of leg supporting is effectively guaranteed, so that the leg burden of the patient is reduced, and the using effect of the patient is improved.
Owner:JILIN UNIV

Garbage collection method, system and equipment and storage medium

The invention discloses a garbage collection method, system and equipment and a storage medium, and belongs to the technical field of block chains. The method includes obtaining, via node equipment corresponding to a garbage can and based on a garbage throwing instruction of a target user, a user identifier of the target user; obtaining the throwing type of the garbage bag; and based on the delivery category and the user identifier of the target user, generating a first throwing record of the garbage bag, and enabling the node equipment corresponding to a target garbage disposal mechanism to perform image recognition on each article in the garbage bag, thus determining the category of each article; generating a garbage collection result based on the first throwing record and the category of each article in the garbage bag, and returning the garbage collection result to the target user. In the garbage collection process, the garbage collection result can be accurately fed back to the target user who throws the garbage, so that the target user can know the situation of garbage classified throwing this time, the garbage classification quality is gradually improved, and the garbage collection effect is ensured.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Model training method and device, image recognition method and device and terminal equipment

The invention provides a model training method, an image recognition method and apparatus, and a terminal device. The image recognition method comprises the steps of obtaining a to-be-recognized incomplete image; inputting the incomplete image into an image recovery model, and outputting a complete image corresponding to the incomplete image, wherein the image recovery model is obtained by pre-training based on a staged progressive training process, a training sample in the training process comprises an incomplete image and a binary image of the incomplete image, and the binary image is used for adjusting model parameters, related to generated image feature expression, of the model in the training process; and inputting the complete image into a pre-trained image recognition model, and outputting a recognition result representing image object information of the incomplete image. According to the embodiment of the invention, the method can guarantee the image restoration effect, converts a complex task of recognizing an incomplete image into a conventional complete image recognition task, greatly improves the recognition robustness and precision, and reduces the recognition complexity.
Owner:MASHANG CONSUMER FINANCE CO LTD

Method for efficiently recovering protein from excess sludge

The invention relates to a method for efficiently recovering protein from excess sludge. The method comprises the following steps: adding excess sludge WAS into a reaction flask, adding APG according to the addition amount of 0.1-0.5 g / gSS, and regulating the initial pH value to 4.0-11.0; after the reaction bottle is subjected to oxygen expelling and nitrogen charging for 2-5 min, sealing the reaction bottle and carrying out constant-temperature shaking culture for WAS hydrolysis; centrifuging pretreated WAS to completely precipitate the residual sludge WAS, taking the supernatant, then adding carrageenan into the supernate, enabling the mass ratio of protein obtained by WAS hydrolysis to the carrageenan to be (25-1):1, regulating the pH value to 1.0-3.0, and oscillating at the temperature of 30-37 DEG C for 15 minutes to fully mix the carrageenan with the protein and the acid; and carrying out centrifugal treatment on the mixed solution to obtain a lower precipitate, namely the recycled protein. According to the process, after hydrolysis, the technology of combining a complex coacervation method and an acid-base precipitation method is adopted, and protein is recycled to the maximum extent through the combined action of the complex coacervation method and the acid-base precipitation method.
Owner:HEBEI UNIV OF TECH

Treatment method for stock construction waste landfill and stacking point

InactiveCN113333424ARealize orderly screeningStabilization OperationsSolid waste disposalEnvironmental engineeringDomestic waste
The invention provides a treatment method for a stock construction waste landfill and stacking point. The treatment method comprises the following steps that pollution isolation is carried out on an area where the stock construction waste landfill and stacking point is located, and stabilization treatment is carried out on waste in the area where pollution isolation is carried out to obtain steady-state waste after specific pollutants and organic waste are stabilized; the steady-state waste is excavated, and resourceful treatment and innocent treatment are conducted on the excavated steady-state waste; and backfilling and trimming are carried out on the excavated area. The specific pollutants in construction waste and the organic waste in household waste are subjected to specific stable treatment operation, so that harm of the specific pollutants and the organic waste to the environment is reduced, orderly screening of the waste in the area where the construction waste and the organic waste are located is achieved, later resource reutilization is facilitated, restoration of the area after the waste is excavated is guaranteed, and the ecological function of a site is improved.
Owner:BCEG RESOURCES RECYCLING CO LTD

Air purification robot capable of inhibiting harmful gas emission

The invention discloses an air purification robot capable of inhibiting harmful gas emission, and belongs to the technical field of air purification equipment. The air purification robot comprises a fixed seat, the top of the fixed seat is fixedly connected with a box body, the bottom of an inner cavity of the box body is provided with a filtering mechanism, one side of the inner cavity of the boxbody is provided with a first spraying mechanism, a second spraying mechanism is arranged at the top of the inner cavity of the box body, the other side of the inner cavity of the box body communicates with an exhaust pipe, one side of the box body communicates with an exhaust fan through an air inlet pipe, and the exhaust fan is fixedly installed at the top of the fixed seat. According to the device, after gas is lifted, neutralizing liquid medicine in a medicine box is atomized and then moves downwards to drive second drainage plates at the bottom to rotate around sleeves to stir harmful air to be mixed, so that harmful substances in the harmful gas can be effectively neutralized through top and side spraying, then the harmful substances in the gas can be remarkably reduced, the external environment pollution is reduced, and the use requirements are met.
Owner:东台汇赢创融科技发展有限公司

Method for recovering scattered metal gallium in gallium nitride waste by pyrogenic process

The invention discloses a method for recovering scattered metal gallium in gallium nitride waste through a pyrogenic process, and belongs to the technical field of non-ferrous metallurgy. The method comprises the following steps: carrying out high-temperature calcination on the gallium nitride waste under a normal-pressure inert atmosphere protection condition, carrying out thermal decomposition on the gallium nitride waste to directly obtain a metal gallium product, converting nitrogen into N2, introducing the N2 into a protective gas for recycling, carrying out quenching cooling on the reaction product after the reaction, and recovering the metal gallium. By the adoption of the technical scheme, the metal gallium product can be obtained in one step, waste water, waste gas and waste residues are not generated in the whole process, the gallium recovery rate is high, the process is simple, cost is low, and environment friendliness is achieved; and meanwhile, efficient recovery of scattered metal gallium in the gallium nitride waste and cyclic utilization of nitrogen can be effectively achieved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Anisotropic bonded permanent magnet material and method for preparing same

The invention provides an anisotropic bonded rare-earth permanent magnet material and a method for preparing the same. The method includes steps of 1), providing SmFeN rare-earth permanent magnet powder materials; 2), carrying out alloying treatment on SmFeN rare-earth permanent magnet powder by the aid of aluminum magnesium alloy; 3), carrying out surface treatment on the SmFeN rare-earth permanent magnet powder by the aid of isobutyltrimethoxysilane; 4), mixing the SmFeN rare-earth permanent magnet powder and composite resin binders with one another to obtain mixtures after the alloying treatment and the surface treatment are carried out on the SmFeN rare-earth permanent magnet powder, and then carrying out mixing on the mixtures in a mixing mill to obtain injection molding raw materials; 5), filling preheated molds with the injection molding raw materials and carrying out injection molding on the injection molding raw materials so as to obtain the anisotropic bonded rare-earth permanent magnet material. The composite resin binders comprise polyphenylene sulfide ketone, polybutylene terephthalate, styrene-ethyl acrylate copolymers and bentonite. The anisotropic bonded rare-earthpermanent magnet material and the method have the advantage that the anisotropic bonded rare-earth permanent magnet material prepared by the aid of the method is excellent in magnetic performance, mechanical performance, temperature resistance, corrosion resistance and recycling performance.
Owner:圣航粉末冶金河北有限公司
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