35results about How to "Realize synergy" patented technology

The invention provides foamed light soil. The foamed light soil is prepared from the following raw materials in percentage by mass: 0.01%-30.00% of aeolian sand, 0.01%-30.00% of oily sludge pyrolysis residues, 25.00%-76.00% of cement, 3.00%-5.00% of a foam group and 20.00%-25.00% of water, wherein the foam group is prepared by mixing a foaming agent with water and then foaming. The invention provides a preparation method of foamed light soil. The foamed light soil prepared by compounding the aeolian sand and the oily sludge pyrolysis residues with the cement has good fluidity and mechanical properties, such as high compressive strength, high breaking strength, no heavy metal leaching, no influence on the environment and the like, meets the requirements of different layers and different grades of highway subgrades, and has good application prospects. And the regulation of foam light soil on the roadbed strength is met.

This utility model discloses a regional energy supply system for peak shaving of renewable energy power generation, belonging to the field of energy technology. It includes an energy supply system configured as a multi-heat source heat pump unit, which is connected to a load system, a supplementary energy system, and an energy exchange system. The multi-heat source heat pump unit includes a condenser, a water tank, a compressor, and a heat pump controller. The refrigerant inlet of the condenser is connected to the water tank and the load system, and the refrigerant outlet of the condenser is connected to the compressor, the load system, and the water tank. This utility model efficiently integrates multiple renewable energy sources, achieving stable and flexible energy supply, promoting peak shaving and absorption of renewable energy, reducing power curtailment, and demonstrating good economic and environmental benefits.

The invention discloses an ion exchange washing alkaline water recycling system, and relates to the field of water treatment. The system comprises an anion exchanger, a washing alkaline water collection pipeline, an online monitoring unit, a shunting switching unit, a weak acid cation exchange treatment unit, an acid liquid regeneration unit, a pipeline conveying pump, a decarburization unit, an intermediate water tank, a recycling unit and a control unit. The online monitoring unit is arranged at the washing drainage end of the anion exchanger, the water quality of the washing alkaline water is detected in real time, and graded recovery of the washing alkaline water is achieved in combination with the shunt switching unit; the recycled washing alkaline water enters a weak acid cation exchange treatment unit to be subjected to ion exchange treatment so as to reduce the alkalinity of the water body; meanwhile, the weak-acid cation exchange resin is regenerated by utilizing acidic waste liquid generated by regeneration of the cation exchange bed, so that synergistic utilization of acid and alkali resources is realized; the treated water body sequentially passes through the decarburization unit and the middle water tank and then is reused for the pure water preparation system.

The invention relates to the technical field of biomedical materials and tissue engineering, and discloses sequential slow-release temperature-sensitive hydrogel and a preparation method and application thereof.The preparation method comprises the following steps that a blood sample is subjected to programmed centrifugation, and a gel layer of leukocyte-rich platelet-rich fibrin L-PRF and a gel layer of improved platelet-rich fibrin A-PRF are obtained respectively; and the gel layer is cut into pieces, pre-frozen, freeze-dried, ground and sieved, so that L-PRF freeze-dried powder and A-PRF freeze-dried powder are obtained respectively, and the methacrylic acid gelatin microspheres entrapped with the L-PRF freeze-dried powder are prepared. The microspheres and A-PRF freeze-dried powder are loaded into a temperature-sensitive hydrogel system composed of chitosan, polygalacturonic acid and sodium beta-glycerophosphate, so that the growth factors can be effectively entrapped in the hydrogel structure, and continuous release is realized; the system has good mechanical strength and structural stability, the retention time of the material in vivo is prolonged, and stable three-dimensional network support is provided.

The present application relates to the technical fields of synthetic biology and microbial metabolic engineering, in particular to a substrate-specific division of labor Saccharomyces cerevisiae mixed bacterial system, a construction method thereof and application of beta-carotene production, wherein a substrate utilization non-crossing Saccharomyces cerevisiae mixed bacterial system is established by constructing a glucose-specific utilization strain YG1 and a lactic acid-acetic acid-specific utilization strain YA2; wherein the YG1 realizes glucose-specific utilization by knocking out the ADY2 gene, the YA2 realizes efficient utilization of lactic acid and acetic acid by integrating the SO1522 gene and the ACKA-PTA acetic acid assimilation pathway, and the HXT7 and GAL2 sites are modified; the mixed bacterial system constructed by the present application can realize the synergistic utilization of mixed carbon sources such as glucose, lactic acid and acetic acid, and improve the beta-carotene synthesis efficiency and fermentation stability.

The application discloses a video stream processing method and device, and belongs to the technical field of electronic devices. The method comprises the following steps: collecting a video stream and synchronously collecting a motion state data stream of the electronic device; the video stream comprises N original video frames, and the motion state data stream comprises i motion state data corresponding to the i original video frame, wherein 1≤i≤N, N is a positive integer greater than 1; generating an i motion intensity index according to the i motion state data; performing anti-shake processing on the i original video frame according to the i motion intensity index to obtain an i stable video frame; performing encoding processing on the i stable video frame according to the i motion intensity index and the content features of the i stable video frame to obtain i encoding data; determining an i transmission mode corresponding to the i stable video frame according to a network state parameter, the i motion intensity index and the content features of the i stable video frame; and performing streaming transmission on the i encoding data according to the i transmission mode.

The invention discloses a method for preparing battery-grade iron phosphate by using iron resources in ilmenite. The method comprises the following steps: pre-neutralizing titanium dioxide waste acid with lime slurry to obtain gypsum slag and pre-neutralized liquid; and adding iron powder to the pre-neutralized liquid for neutralization and hydrolysis to precipitate Al 3+ and Ti 3+ , obtain ferrous sulfate purified liquid; precipitate Ca 2+ Reaction to obtain calcium sulfate slag and ferrous dihydrogen phosphate solution; the ferrous dihydrogen phosphate solution is subjected to Fe 2+ After oxidation, Fe 3+ The precipitation reaction precipitates hydrated iron phosphate, which is then washed and dried to obtain the hydrated iron phosphate. The method uses the by-product ferrous sulfate and iron resources in the waste acid in the sulfuric acid process of titanium dioxide as iron sources to achieve resource utilization, and can obtain iron phosphate with high crystallinity, iron-phosphorus content, tap density, impurity element content, etc. that all reach battery grade.

The invention provides a clay type lithium ore external field enhanced resource comprehensive utilization method, and relates to the field of hydrometallurgy. The method comprises the following steps: uniformly mixing clay type lithium ore with concentrated sulfuric acid, and carrying out low-temperature curing to obtain clinker; mixing the clinker with water, and then carrying out leaching reaction to obtain a lithium-rich aluminum leaching solution; carrying out evaporative crystallization on the lithium-rich aluminum leachate to obtain a mixed crystal of lithium sulfate and aluminum sulfate; performing high-temperature pyrolysis reaction on the mixed crystal to obtain an oxide; carrying out high-energy grinding and leaching on the oxide, and filtering to obtain a lithium-containing solution and crude aluminum oxide; and carrying out post-treatment on the lithium-containing solution to obtain the battery-grade lithium carbonate. According to the method, the technological process of the clay type lithium ore is optimized, synchronous leaching of valuable elements lithium and aluminum and efficient separation of the lithium element and the aluminum element are achieved, the problem that the cost is high when lithium is independently extracted is solved, cooperative utilization of clay type lithium ore resources is achieved, and the cost is reduced.

The invention relates to the technical field of intelligent digital operation, and discloses an enterprise digital operation application aggregation platform based on SAAS software, and the platform comprises a registration authentication module which is used for carrying out account registration and operation subject authentication management; the payment acquisition module is used for transaction acquisition, product management, transaction risk assessment, transaction data encryption and fund clearing; the data statistics module is used for collecting, monitoring and counting the operation data in real time; the operation management module is used for managing orders before and after sales of products; and the message reminding module is used for reminding the system message and the transaction message. According to the invention, the transaction data can be encrypted in a targeted manner, the transaction security and the system performance are both considered, the transaction security is improved, the resource utilization rate is improved, and the performance loss is reduced.

This invention discloses the preparation and application of a bio-based active preservation film based on the synergistic utilization of multiple components of rice bran. Using defatted rice bran as the raw material, the invention employs bacterial cellulose obtained from the fermentation of defatted rice bran hydrolysate as the structural framework of the membrane matrix. Rice bran protein from the hydrolysis residue of defatted rice bran is prepared into nanoparticles, and a Pickering emulsion is formed by stabilizing thyme essential oil with these nanoparticles. Further, the defatted rice bran-based bacterial cellulose membrane is impregnated and modified with polyvinyl alcohol and glycerol. Then, the rice bran protein-stabilized thyme essential oil Pickering emulsion is coated onto the surface of the modified membrane matrix to obtain a bio-based active preservation film. The resulting preservation film can be used for the preservation and packaging of chilled meat, and can delay microbial proliferation, lipid oxidation, protein spoilage, and color deterioration during the storage of chilled meat.

This invention provides an AI-powered companion robot control system and method based on mobile communication devices, relating to the field of intelligent robot control technology. It collects multi-dimensional behavioral data of users using mobile communication devices and extracts behavioral feature vectors. Based on the behavioral feature vectors, it matches them with historical behavioral patterns to generate clone commands containing predicted actions and their confidence levels, emotional state values, and their confidence levels. The robot itself can execute the predicted actions based on these clone commands, providing proactive reminders and companionship to the user. Furthermore, by dynamically evaluating the computing power contribution level using the operating status parameters of the mobile communication device, it performs differentiated task scheduling, achieving the coordinated utilization of three levels of computing resources. This protects user privacy data, reduces the hardware cost of the robot itself, and organically unifies the high intelligence of cloud-based large-scale models with low-latency, secure local control, improving resource utilization, saving computing power, and achieving a three-in-one collaborative system.

This utility model relates to a vacuum heat collection tube with a window and its photothermal catalytic reaction device, belonging to the field of photothermal equipment technology. The vacuum heat collection tube with a window includes an outer glass tube and an inner glass tube, with a vacuum interlayer between the outer and inner glass tubes. The inner glass tube is filled with a heating medium, and a selective absorption layer is provided on the outer surface of the inner glass tube. A light-transmitting window that allows light to pass through is opened on the selective absorption layer. By using this structure, light can pass through the light-transmitting window and directly enter the interior of the inner glass tube, realizing the synergistic utilization of solar photothermal conversion and direct illumination. This allows chemical reactions requiring light and heat conditions to be supported inside the vacuum heat collection tube, resulting in high efficiency in the utilization of light and heat energy without damaging the glass tube substrate and ensuring the sealing of the vacuum interlayer.

The application provides a proppant migration state prediction method and system based on images, and relates to the technical field of oil and gas development.The method comprises the following steps: processing and predicting a real-time image sequence currently collected by using a prediction neural network model to obtain current placement form prediction data of the proppant in a complex fracture; obtaining a regulation instruction based on the current placement form prediction data, and sending the regulation instruction to a field fracturing construction control unit to close-loop control the proppant migration process.The application realizes accurate prediction and closed-loop control of the proppant migration state through downhole image collection, preprocessing, segmentation correction, multi-source data fusion modeling and real-time prediction and regulation.

The invention provides a method for preparing nano calcium carbonate through amine cycle by capturing carbon dioxide through ferronickel slag, and belongs to the technical field of waste resource utilization and carbon dioxide capture and utilization. The method comprises the following steps: mixing ferronickel slag powder with an ammonium chloride solution, and performing leaching reaction to obtain a mixed solution; adding ammonium hydroxide into the mixed solution to adjust the pH value, and filtering to obtain a leaching solution; introducing the flue gas into an ammonia water absorption tower to prepare an ammonium bicarbonate solution; the ammonium bicarbonate solution and the leachate are subjected to a carbonization reaction, nano calcium carbonate is obtained, ammonia gas generated by the carbonization reaction is recycled to an absorption tower to be reused, and a closed amine circulation system is formed. According to the amine circulation method, efficient utilization of CaO in the ferronickel slag can be achieved, meanwhile, CO2 in the flue gas is captured, the purity of obtained nano calcium carbonate is larger than or equal to 93%, the whiteness is larger than or equal to 94%, the nano calcium carbonate has the advantages of being small in particle size, good in dispersity and high in additional value, and cooperative utilization of high-additional-value recycling of the ferronickel slag and carbon dioxide emission reduction is achieved.

This invention discloses a method and system for elastic resource orchestration in a distributed intelligent parallel simulation engine. The method includes the following steps: dynamically marking time periods based on the predicted load state parameters of each simulation process in each subsequent simulation period, obtained from the dynamic load prediction of simulation data generated by each simulation process within each simulation period in the distributed simulation simulation system; dynamically setting and optimizing scheduling instructions based on the dynamic time period marking results and simulation event rules, and executing the dynamically set scheduling instructions after sorting them based on the topological constraint characteristics of the distributed simulation simulation system; and dynamically handling faults based on the container status parameters of each simulation container during the simulation process, and based on the container status assessment results and fault types. Through dynamic load prediction and intelligent scheduling, the periodic peak resource demand in distributed simulation is effectively smoothed, significantly improving overall resource utilization.

The invention discloses a modified fly ash and a preparation method and application thereof, belonging to the technical field of fly ash resource development, first, the preparation method of modified fly ash comprises the following steps: fly ash is ground to obtain fly ash fine powder, and then silane coupling agent KH-550 is used to process fly ash fine powder to obtain amination fly ash, and then ammonia-alkali white mud is stirred and added to amination fly ash, and then after drying, modified fly ash is obtained. The present invention makes full use of the solid waste resources generated in the industrial production process, and then integrates and utilizes to obtain a modified fly ash, and then, based on the above research and discovery, the present invention applies the prepared modified fly ash to the development of a fireproof board, which can be applied to boilers and building outer wall fireproofing and thermal insulation, and the present invention improves the flame retardant properties of the fireproof board finally prepared by improving the modification process of fly ash.

The invention discloses a shield tunnel construction whole process cooperative monitoring method and system based on digital twinning, and the method comprises the steps: firstly determining a monitoring element system, collecting multiple types of data, accessing the resources of each participant, carrying out the standardization processing to form a shared data resource pool, and constructing a total element digital twinning model based on the resource pool, synchronous mapping of a physical construction scene and a digital model is realized through dynamic updating of a linkage mechanism of data and the model; then, a multi-participant cooperative monitoring platform is built, space-time dimension coupling correlation analysis is carried out on multi-source data in the model by means of a platform fusion analysis module, dynamic causal correlation rules of structural response, environmental change and construction behaviors are extracted, and risk pre-judgment and early warning are completed in combination with a safety judgment standard and a real-time working condition correction threshold value; and finally, early warning information and disposal suggestions are pushed, a model simulation effect is utilized, feedback data are tracked to form closed-loop management, and risk controllability is ensured. And the intelligent level of construction safety management and control is improved.

This utility model relates to the field of PEM fuel cell technology and discloses a PEM fuel cell with exhaust gas recirculation, including a mixing chamber, a reinforcement component fixedly installed on the side wall of the mixing chamber, and a processing assembly disposed on the side of the mixing chamber. The processing assembly includes a circulation mechanism disposed on the side of the mixing chamber, and a separation mechanism disposed on the side of the mixing chamber. The separation mechanism is connected to the circulation mechanism. The circulation mechanism includes a support plate fixedly installed on the side wall of the mixing chamber, a pre-humidifier fixedly installed on the top of the support plate, and a control valve pipe fixedly installed on the top of the pre-humidifier. This utility model solves the problem that in existing PEM fuel cells, only a small portion of the air introduced into the cathode participates in the reaction, while the remaining unreacted oxygen, water vapor, and inert nitrogen are directly discharged with the exhaust gas, resulting in a waste of oxygen resources.

This invention discloses an intelligent contract review method and system based on artificial intelligence, relating to the fields of computer and artificial intelligence technologies. The method includes: receiving and parsing contract documents to obtain structured text data and contract type; automatically extracting multiple key clauses based on the contract type; performing compliance review and difference comparison on the key clauses to generate intermediate review results containing risk points and modification suggestions; dynamically analyzing the clause content in the intermediate review results, determining the responsible party for review according to preset rules, and automatically generating and assigning independent review sub-tasks to corresponding review terminals; completing the review process based on feedback from the review terminals, and structurally storing the results in a contract knowledge base. The system includes modules for document parsing, intelligent analysis, task assignment, and knowledge base management. This invention achieves automation, intelligence, and collaboration in contract review, significantly improving review efficiency, risk identification accuracy, and process traceability, and promoting the accumulation and reuse of enterprise contract knowledge.

The application discloses a method for preparing titanium tetrachloride by low-temperature carbonization-selective chlorination of molten separation titanium slag with the aid of an additive. The method comprises the following steps: grinding titanium slag obtained by hydrogen reduction and electric furnace melting separation of vanadium-titanium magnetite concentrate to a predetermined particle size; uniformly mixing the ground titanium slag with an additive, and then placing the mixture in a tubular furnace, and heating to 800-1100 DEG C, while introducing a mixed gas of methane and hydrogen to perform a carbonization reaction, to obtain a carbonization product; and finally, performing a chlorination reaction on the carbonization product at a certain temperature with chlorine to generate crude titanium tetrachloride. The application realizes gas-based reduction carbonization of molten separation titanium slag, and compared with a traditional high-temperature carbonization process, the reaction temperature is significantly reduced, the carbonization rate is improved, and a new technical approach is provided for efficient comprehensive utilization of molten separation titanium slag.

The invention discloses a drip irrigation device and method and a planting system, and belongs to the technical field of drip irrigation. The method comprises the following steps that water on a solar panel is guided to a water storage mechanism to be stored through a flow guide mechanism; the detection mechanism detects the plant growth state, and the control mechanism controls the first control valve to be opened and closed according to the plant growth state; the detection mechanism detects the fertilizer content of the water storage mechanism, and the control mechanism controls the second control valve to open and close according to the fertilizer content; the drip irrigation mechanism is used for drip irrigation of water stored in the water storage mechanism to the planting area. Water flushing the photovoltaic panel can be recycled for crop planting, water resource recycling is achieved, meanwhile, the requirement for agricultural water is met, the quality and yield of crops are further improved in combination with adjustment of the water amount, the content of operating ingredients of water and the content of mineral substances, and the soil structure is improved; and comprehensive cooperative utilization of solar energy resources, water resources and land resources in desert areas is realized.

The application relates to a kind of traditional Chinese medicine moxa point adaptive control method, system, equipment and medium based on agent, the method comprises: obtaining patient multimodal synchronous perception data, and obtaining multimodal perception data stream by spatiotemporal joint calibration and asynchronous data flow alignment;Reconstruct the three-dimensional skeletal model of patient based on multimodal perception data stream, and solve the initial coordinates of the moxa point to be moxa by bone degree minute method;Combine syndrome observation information and pre-constructed traditional Chinese medicine syndrome differentiation knowledge graph to construct dynamic state space;The dynamic state space is input into the pre-trained fast adaptive reinforcement learning model, and the matched treatment strategy is obtained;Generate multi-point collaborative control sequence based on treatment strategy and initial coordinates of point. By using the method, dynamic syndrome differentiation moxa can be realized, and the accuracy, clinical adaptability and treatment effectiveness of intelligent moxa control can be improved.

The invention relates to a static sintering process and system for preparing high-whiteness and high-purity aluminum hydroxide, and the static sintering process comprises the following steps: firstly, taking a raw material crushed to process control fineness as a pre-powder material, carrying out raw material preparation and blank forming on the pre-powder material to obtain a blank, sintering the blank to obtain clinker, carrying out clinker dissolution on the clinker to obtain slurry, and sintering the slurry to obtain the high-whiteness and high-purity aluminum hydroxide. Carrying out slurry desilication, carbon component reaction, hydrogen-aluminum separation and drying on the slurry to prepare high-whiteness and high-purity aluminum hydroxide; wherein the raw materials comprise solid wastes such as fly ash; the blanks are sintered into six polygon prism-shaped blanks which are stacked in two rows and three groups, the blanks are roasted in an industrial tunnel kiln in a temperature programming mode, and the roasting temperature ranges from 800 DEG C to 1100 DEG C. According to the invention, solid wastes such as fly ash, coal gangue, carbide slag and the like, pulverized coal and sodium carbonate are crushed into materials with the same fineness, high-whiteness and high-purity aluminum hydroxide can be obtained through an alkaline static sintering process, the recovery rate of aluminum in the solid wastes is about 90%, and harmless, resource and synergistic utilization of the solid wastes such as fly ash and the like is realized.

The application discloses a method for quantitatively analyzing mineral content and element content of sedimentary rock cores, and belongs to the field of quantitatively analyzing mineral content and element content. The method comprises the following steps: collecting a plurality of sedimentary rock core samples to obtain a mineral abundance matrix and an element content matrix; performing grey correlation analysis on minerals and elements based on the mineral abundance matrix and the element content matrix to obtain a grey correlation coefficient matrix; calculating the maximum information coefficient of minerals and elements based on the mineral abundance matrix and the element content matrix to obtain an information coefficient matrix; performing weighted summation on the grey correlation coefficient matrix and the information coefficient matrix to obtain a joint score matrix, screening out mineral-element combinations with scores greater than a threshold value, and obtaining a candidate mineral-element combination set; and performing HSI high-spectrum mineral identification-XRF element analysis bidirectional guided modeling. The application solves the problems that element-to-mineral mapping is not unique and elements and minerals are not bidirectionally constrained in the prior art.

The invention discloses a hammering pile sinking device for intense pulse airflow targeted resistance breaking and a using method, and relates to the technical field of building engineering foundation construction, and the hammering pile sinking device comprises a heavy hammer and related parts, an intense pulse gas generation system and a targeted resistance breaking device. The counter weight and related parts provide continuous hammering force through circulating motion of the counter weight, and the continuous hammering force is transmitted to the precast pile through the force transmission cylinder, the pile head plate and the guide cap and guides the pile body to vertically sink; the intense pulse gas generating system generates intense pulse gas flow which is conveyed to a pile tip through an exhaust pipe and a slurry gas pipe, the flow direction of the gas flow can be controlled through a valve, and excess pore water pressure dissipation is assisted. The targeted resistance breaking device receives the hammering force and the strong pulse airflow to achieve targeted resistance breaking pile sinking. The device can effectively improve the pile sinking efficiency and stability, and is suitable for pile sinking construction under different geological conditions.

The present invention discloses a method and system for reducing raw coal consumption in power plants through flue gas co-firing for power generation. The method includes the following steps: S1, burning alternative fuels in an alternative fuel furnace under an oxidizing or reducing atmosphere to generate hot flue gas and / or combustible gas; S2, inputting the hot flue gas and / or combustible gas generated from the combustion of alternative fuels in the alternative fuel furnace into the furnace of a conventional boiler to mix with the hot flue gas generated from the combustion of conventional fuels in the conventional boiler, or sending the combustible gas generated from the alternative fuel furnace into the furnace of a conventional boiler for combustion. The method of reducing raw coal consumption in power plants through flue gas co-firing for power generation of the present invention can save coal, reduce costs, improve the combustion efficiency of alternative fuels, and is more environmentally friendly.

The invention relates to a raw material preparation method for preparing high-whiteness and high-purity aluminum hydroxide by using solid waste, which comprises the following steps: pretreating, proportioning and homogenizing raw materials to obtain a homogenized raw material, and the raw materials comprise fly ash, coal gangue, pulverized coal, calcium-containing solid waste and sodium carbonate; wherein the pretreatment comprises the following steps: crushing the raw materials, and controlling the crushing granularity of the process to be 120-220 meshes to form pre-powder; the batching comprises the steps of metering the pre-powder according to a process ratio, and batching to form a raw material; the homogenization comprises high-speed dry homogenization and low-speed wet homogenization, the raw material is firstly added into a high-speed dry homogenization machine for high-speed dry homogenization, and then the raw material is subjected to low-speed wet homogenization to obtain a homogenized raw material. According to the invention, solid wastes such as fly ash, coal gangue, carbide slag and the like, pulverized coal and sodium carbonate are crushed, a fully and uniformly mixed homogenized raw material is obtained through microcomputer metering automatic batching accurate control, dry homogenization and wet homogenization treatment, high-whiteness and high-purity aluminum hydroxide can be prepared through a self-heating blank sintering method, and resource utilization of fly ash is realized.

The invention relates to the technical field of energy environmental protection and carbon monitoring, discloses a coal-fired unit carbon emission multi-source data fusion check diagnosis method and device, and aims to process coal-fired unit carbon emission multi-source data in parallel through multiple models and synchronously output monitoring, accounting and predicting three types of carbon emission data. Based on comparison of the two kinds of deviation values and a dynamic threshold value, an abnormal model is accurately positioned, and then multi-source data key parameters are reversely diagnosed according to the abnormal model. According to the method, the problem that specific abnormal parameters such as CO2 concentration, flue gas flow and coal element carbon content are difficult to lock in the prior art is effectively solved, the change of abnormal traceability from fuzzy judgment to accurate positioning is realized, and the data abnormal traceability efficiency and accuracy are greatly improved.

The invention provides an organic waste acidification fermentation and grease preparation method and a fermentation system thereof. The system comprises an acidification fermentation system, a filter membrane device and an oil-producing microbial fermentation system which are connected in sequence, the acidification fermentation system is used for placing fermentation raw materials and inoculation bacteria liquid and is provided with a solid-liquid separation screen; the filter membrane device is used for removing impurity components in the volatile organic acid mixed solution; the oleaginous microbial fermentation system is used for placing volatile organic acid mixed liquor and oleaginous microbial cells. According to the acidification fermentation and grease preparation method and system, effective conversion from multi-element organic waste to microbial grease is achieved, and the technical cost is greatly reduced.

The invention discloses an image segmentation method of a regional active contour model based on a Laplacian operator. According to the method, an adaptive-Laplacian operator is introduced, and a corresponding energy functional is used as a length regular term of a level set function, so that effective regularization of the level set function is realized. The regularization mechanism not only can suppress false contours generated in the curve evolution process, but also can adaptively adjust the diffusion process, so that noise interference in the level set evolution process is effectively suppressed, image edge structure details are kept, and segmentation robustness and accuracy are improved. Experimental results show that the method has high segmentation precision and robustness in complex natural image segmentation.