198 results about "Water exchange" patented technology

The invention discloses a breathable plant leaf biomimetic material with antifouling, self-cleaning and spectrum simulation properties and a preparation method of the breathable plant leaf biomimetic material. The breathable plant leaf biomimetic material can be applied to a base material through a two-step coating method. The first layer is a mesophyll-like porous dual-network hydrogel structure, hyperspectral pigment and moisture absorption salt are dispersed in the first layer, spectral characteristics of plant leaves in visible light and near infrared bands are simulated, and a water transpiration function controlled by plant pores is reproduced through a pore structure and a salt medium, so that stable spectral response and dynamic water exchange are realized; and the second layer is a leaf-skin-imitated coating, and has long-term stable antifouling and self-cleaning characteristics through a liquid-like super-smooth hydrophobic surface structure. The plant leaf spectrum simulation coating has anti-mud and hydrophobic properties, can still keep an excellent plant leaf spectrum simulation effect after being washed by rainwater, and can realize high-weather-resistance spectrum simulation.

The invention belongs to the technical field of inter-basin underground water circulation flux estimation, and particularly relates to an infiltration and lateral inflow separated underground water flux remote sensing estimation method and system. The method includes: acquiring a multi-source remote sensing data set of a research area; performing partition correction on evapotranspiration data of different land utilization type areas in the research area; the method comprises the following steps: dividing a research region into equal-area units, identifying a vertical dominant unit and a lateral dominant unit, and further determining a cross-basin underground water exchange zone; and solving a local vertical infiltration amount by using the vertical dominant unit and interpolating to form a background field, establishing a combined equation set which takes the background field as an initial value and takes the dynamic characteristic parameters of the underground water as additional constraints for the lateral dominant unit, solving to obtain an external lateral inflow amount, and further obtaining a cross-basin underground water circulation flux. According to the method, the vertical dominant unit and the lateral dominant unit are identified, and the cross-basin groundwater circulation flux is quantitatively estimated.

The invention relates to the technical field of intelligent agricultural intelligent irrigation control, and discloses an intelligent irrigation analysis control system based on a crop growth period. The system comprises a crop image sequence, soil humidity profile data and a regional meteorological sequence. And the data analysis module is used for performing multi-stage growth state interpretation on the image sequence, generating a crop structure state profile in each growth period, performing vertical moisture exchange identification on the soil humidity data, and generating a root zone moisture dynamic map. And the habitat mapping and stress evaluation module synchronously executes habitat adaptability mapping and moisture stress risk mapping. And the irrigation decision module corrects the habitat mapping result according to the stress evaluation result and generates an irrigation decision profile. And the control instruction generation module generates a partition valve control instruction in combination with the decision profile and the alternate irrigation rule. According to the invention, deep fusion analysis of the crop growth state, the root zone moisture and the meteorological environment is realized, and the irrigation decision accuracy and the water resource utilization efficiency are improved.

The invention provides an urban inland inundation simulation method and a risk early-warning risk-avoiding system based on coupling of a one-dimensional model and a two-dimensional model. The method comprises the following steps: performing one-dimensional and two-dimensional hydrodynamic simulation on urban inland inundation rainstorm and flood based on SWMM and OpenFOAM; establishing a water exchange interface between the first model and the second model, dynamically calculating exchange flow according to a water level relationship, and establishing and executing a two-dimensional model coupling mechanism; based on a coupling mechanism, running simulation and outputting data and results; building an urban model based on a Cesium platform, and inputting flood routing data obtained based on model coupling to realize visual simulation of urban inland inundation flood routing; a risk early-warning risk-avoiding system is built on the basis of a visual result and in combination with emergency management theoretical knowledge and comprises a waterlogging simulation module, an early-warning module, a risk zoning module and a risk-avoiding transfer module; risk area division of a target area is realized based on double factors of water depth and flow velocity, and a corresponding optimal risk avoiding route is planned based on a Dijkstra algorithm.

The invention discloses a space remote sensing image analysis method for detecting surface water and underground water exchange in a river region based on surface temperature, and belongs to the field of remote sensing detection surface temperature anomaly analysis. According to the method, background field construction is carried out on pixels in a space by combining single-scene high-resolution surface temperature data and land cover classification data, and temperature thermal anomaly of a river main stream is extracted by adopting an adjacent pixel temperature anomaly analysis method, namely, the temperature thermal anomaly of the river main stream is extracted by analyzing subtle change of surface temperature in a remote sensing image; and identifying abnormal pixels which are obviously different from the temperature characteristics of the surrounding area. The abnormal pixels often correspond to areas where surface water and underground water exchange is active, such as permeable zones, spring water exposure points and the like. The method can be applied to drainage basin water resource management and ecological protection, and the conversion path and intensity between surface water and underground water can be deduced by further analyzing and processing the abnormal pixels extracted by the method and combining background information such as geology and hydrology.

The application relates to the technical field of phase change material preparation, in particular to a heterocyclic aramid phase change heat storage film and a preparation method thereof. After low-temperature polymerization of heterocyclic aramid fibers is completed, the phase change material is coated in situ, an oil-in-oil emulsion is obtained, water exchange is directly carried out, and after drying, a heterocyclic aramid-based phase change film is obtained. The film is dense, and the coating effect is good. Since the prepared phase change film is an integral film material, the phase change film can be directly applied, the processes such as intermediate drying and resolubilization are avoided, the whole process is simple and efficient, the cycle is short, high-end equipment is not depended on, the production cost is low, the coating density is high, the phase change material can be prevented from leaking during phase change, the phase change film has the properties of flame retardation, temperature resistance, excellent mechanical strength and excellent ultraviolet shielding and aging resistance, and the problems of a complicated preparation process, harsh conditions and high cost of the existing phase change heat storage film are solved.

The present invention describes a process for producing a food product, more specifically a ready-to-eat instant rice block that can be reconstituted with a uniquely crispy and sensorially appealing texture in a reduced preparation time, either by conventional cooking or microwave heating. The present process comprises the steps of dosing the rice grains into individual portions; continuous cooking in a two-compartment tunnel with constant water exchange; block molding and compaction; dehydration by frying; and cooling and packaging.

The invention provides a surface water-underground water integrated simulation method and system coupled with a glacier module, the method is based on an extended SWAT-GL model, rainfall, accumulated snow melt water and glacier melt water are jointly used as daily effective rainfall input, infiltration supply and river water level are transmitted to MODFLOW through a daily interface, and the water level of the MODFLOW is effectively simulated. And simulating underground water head change and surface water-underground water exchange capacity by utilizing a three-dimensional underground water flow equation, and feeding back a result to SWAT-GL river water balance, thereby realizing bidirectional dynamic coupling of the glacier-accumulated snow-surface-underground water whole process. The system breaks through the limitation that glacier mass balance and groundwater dynamics are difficult to depict synchronously in cold region simulation, can reveal a supply and regulation mechanism of glacier melt water to a groundwater system under the driving of climate change under a fine time scale, and remarkably improves the simulation capability of a cold region water circulation key process.

The invention discloses an adhesive compound with an adhesive property optimized based on metal hydroxides as well as a preparation method and application of the adhesive compound, and belongs to the technical field of biological adhesives. The present invention relates to an adhesive composition comprising an adhesive precursor consisting of a protein-polyphenol composite hydrogel and a hydrogen bond destructive small molecule compound capable of network reconstitution comprising beta-folding formation in aqueous phase grafting comprising a metal hydroxide having the characteristics of: (a) a hydration enthalpy value of from-1000 kJ / mol to-4000 kJ / mol; (b) a dissociation constant of from 6 pKa to 13.5 pKa; (c) a water exchange rate of 105 S <-1 > to 10 < 10 > S <-1 >. The adhesion compound can be networked to form an advanced structure when encountering water, not only can generate underwater lap joint shear strength of more than 1MPa, but also can tolerate underwater long-term soaking and temperature change from-196 DEG C to 100 DEG C, and meanwhile, the adhesion compound also has good biocompatibility, can meet the requirement of the environment in a human body on tissue adhesion safety, and has good application prospects. Stability suitable for in vivo tissue repair and industrial applications is exhibited.

The utility model discloses a roller of circuit board horizontal processing equipment. A plurality of convex rollers and concave rollers are alternately arranged in sequence; the single side diameter of the concave roller is smaller than that of the convex roller; the diameter of the concave roller is 2 / 3 to 7 / 8 of that of the convex roller; the length of the concave roller is more than or equal to three times that of the convex roller; the convex roller wheels and the concave roller wheels which are small in height difference are arranged, the width between every two adjacent convex roller wheels is large, the convex roller wheels make contact with the plate face in a small area, the problem that foreign matter adheres to the plate face is solved, the concave roller wheels are large in diameter, impact of sprayed liquid medicine can be effectively blocked, meanwhile, a certain space is formed between the concave roller wheels and the surface of a to-be-machined plate, and the surface of the to-be-machined plate is protected. The whole structure prevents the problem that spraying liquid medicine is difficult to retain on the plate surface of the to-be-processed plate; the state that the liquid medicine can be retained but cannot be excessively retained can be formed, and the effect that the force of liquid medicine exchange is moderate is achieved.

The invention relates to the technical field of aquaculture, in particular to an accurate regulation and control method for micropterus salmoides culture water quality. According to the micropterus salmoides culture water quality regulation and control method, a culture water body meets one or more of the following conditions: (1) adding photosynthetic bacteria into the culture water body every day, and controlling the final concentration of the photosynthetic bacteria in the water body to be 10 < 6 >-10 < 7 > CFU / mL; (2) adjusting the content of dissolved oxygen in the culture water body to 5.5-7.5 mg / L; (3) adjusting the temperature of the culture water to 26 + / -1 DEG C in the daytime and 23 + / -1 DEG C at night. The total nitrogen, total organic carbon and chemical oxygen demand can be obviously reduced through day and night temperature regulation and addition of photosynthetic bacteria, the water change demand is reduced, and the eutrophication risk is reduced; meanwhile, the specific growth rate (SGR) and the weight growth rate (WGH) are improved, the immune and antioxidant indexes are optimized, and the aeration energy consumption is reduced by controlling dissolved oxygen to be 7.0 mg / L.

The invention discloses an urban flood simulation method based on virtual pool network and SWMM coupling, and the method comprises the steps: taking each sub catchment region of a research region as an independent water storage unit, and constructing a corresponding virtual pool; adjacent pools are connected through triangular weirs to form a virtual pool network reflecting the evolution of surface accumulated water; for a sub catchment area containing an inspection well, bidirectional water exchange between a virtual pool and a pipe network is established by using a transverse weir, so that overflow of the pipe network can be supplemented to the earth surface, and accumulated water on the earth surface can also be discharged into the pipe network. The surface runoff firstly enters the corresponding virtual pools and then is exchanged between the virtual pools or between the virtual pools and the pipe network through the weir structure, so that the whole process simulation of rainfall runoff-surface ponding-pipe network drainage is realized. According to the method, the precision, the efficiency and the realizability are coordinated and unified, the bottleneck that high precision and high efficiency are difficult to consider in an existing urban flood simulation technology is broken through, and the method has remarkable engineering practical value and wide popularization prospects.

This utility model relates to the field of cleaning equipment technology, and in particular to a vegetable washing station with an automatic water exchange function. It includes a water tank, two washing pools, a filter rack, a spray nozzle, a turbidity sensor, a filter, an ultraviolet water purifier, and a first water pump. Water flowing out of the washing pools is treated by the filter and the ultraviolet water purifier before being recycled back into the clean water pool. During the washing process, this utility model monitors water quality in real time using a turbidity sensor, and combines the filter and ultraviolet water purifier to purify and sterilize the wastewater. A third water pump then returns the purified water to the washing pools, forming a water circulation system. This avoids waste caused by single-use water and is particularly suitable for high-water-consumption scenarios such as large restaurants and supermarkets.

This invention discloses a nearshore water sampler and its usage method, relating to the technical field of water environment monitoring and marine survey equipment. The sampler comprises a composite cylinder consisting of a transparent plexiglass body and corrosion-resistant metal end caps. The metal end caps achieve a reliable seal with the cylinder flange via a widened buffer sealing platform. The upper end cap uses a damping hinge and a miniature flange to achieve stable suspension after sampling, facilitating direct insertion of the water quality probe for detection. The lower end cap has an opening at a specific angle and a flow guide groove, forming an efficient water flow channel with the upper opening to ensure thorough water exchange. This invention integrates automatic trigger sampling, in-situ detection, and convenient liquid collection functions, and features a dedicated handle with an anti-slip structure, a protective vertical bar for the cylinder body, and buffer support protrusions, improving operational convenience, stability, and overall durability of the equipment in field environments.

The utility model provides a kind of sunken water-saving double-line ship lock, it is related to double-line ship lock technical field.Water flow when flowing between lock chamber and corridor, utilize multiple branch hole to disperse water flow, can effectively reduce transverse velocity and transverse impact force;Water flow when flowing between two lock chambers, utilize two U-shaped corridors, which are connected with first corridor and third corridor, and second corridor and fourth corridor, as passageway, two U-shaped corridors are arranged in staggered manner, but shape specification and length are consistent, which can not only speed up water exchange speed between two lock chambers, but also ensure that time and distance of water flow in two U-shaped corridors are the same, to meet the requirement of synchronism;Water level in two lock chambers is synchronously raised and lowered, water surface is stable and has little fluctuation, which is conducive to the safety of ships and normal operation of ship lock.

The utility model provides a tetramethyl ammonium bicarbonate preparation device with low energy consumption, which comprises a reactive distillation tower, a static mixer, a methanol removal tower and a methanol recovery tower, a gas phase discharge port of the methanol removal tower is connected with an inlet of a steam compressor, a first branch connected with an outlet of the steam compressor is connected with a gas inlet of the methanol recovery tower, and a second branch connected with an outlet of the steam compressor is connected with a gas outlet of the methanol recovery tower. A second branch connected with an outlet of the steam compressor is connected with the first return tank through a heating medium channel of the steam generator; a third branch connected with an outlet of the first reflux tank is connected with a feed port of the methanol recovery tower, and a fourth branch connected with the outlet of the first reflux tank is connected with a tower kettle of the methanol removal tower; after pure water exchanges heat through a refrigerant channel of the steam generator, steam is output, and the steam is input into a tower kettle of the methanol removal tower through a pipeline; and the methanol recovery tower is provided with a side extraction opening for extracting high-purity methanol. The device disclosed by the utility model is low in operation energy consumption, low in equipment investment and high in raw material utilization rate, and can be used for continuously preparing high-purity TMAB and recovering to obtain a high-purity methanol product.

The invention discloses a deep-sea macro organism trapping and pressure-maintaining sampling device, and relates to the technical field of deep-sea macro organism trapping, the deep-sea macro organism trapping and pressure-maintaining sampling device comprises a trapping barrel, a pressure-maintaining bin is arranged in the trapping barrel, and a plurality of partition plates are arranged in the pressure-maintaining bin; the device comprises a trapping barrel, a fishing barrel is installed in the trapping barrel, a driving motor is installed above the trapping barrel and drives the fishing barrel to rotate, a one-way valve is installed on the trapping barrel, the one-way valve is in one-way conduction in deep sea, a base is installed on the lower side of the trapping barrel, and a linkage structure is installed in the base. The linkage structure facilitates oxygenation and cleaning treatment on the pressure maintaining bin; by arranging the linkage structure, the core functions of sample trapping and transferring are completed, besides, cleaning of the pressure maintaining bin and water exchange can be completed synchronously without extra power, and the integration level and the energy utilization efficiency of the device are greatly improved.

The invention discloses a pumped storage power station flood regulation control method for water exchange between a lower reservoir sand blocking reservoir and a special reservoir, belongs to the technical field of water conservancy project and pumped storage power station flood control design, and aims to solve the problem that dynamic water exchange between the sand blocking reservoir and the special reservoir and multiple uncertain factors are difficult to process in an existing flood regulation calculation technology. Structuring and storing physical and hydraulic characteristic parameters of the power station by constructing an engineering parameter database; generating a state space set covering all potential unfavorable combinations based on a discretization principle; executing nested iterative calculation for each working condition, and dynamically calculating the water balance of the two reservoirs and the exchange flow driven by the water level difference; and finally, flood regulation high water levels of the sand blocking reservoir and the special reservoir are determined through global search. According to the method, the flood process, power generation dispatching and inter-reservoir hydraulic connection are systematically considered, the accuracy of flood regulation calculation and the engineering safety are effectively improved, and a reliable basis is provided for reservoir flood control design of the pumped storage power station with the sediment storage dam.

The utility model relates to a coal chemical industry gasified black water waste heat steam generating system which comprises a flash evaporation unit, a heat exchange unit, a heating medium water unit and a second-class absorption heat pump, the heat exchange unit is connected with the flash evaporation unit, the heating medium water unit is connected with the heat exchange unit, the second-class absorption heat pump is connected with the heating medium water unit, a water-water heat exchanger is arranged in the heat exchange unit, and the water-water heat exchanger is connected with the second-class absorption heat pump. High-temperature black water exchanges heat with low-temperature heat medium water in the water-water heat exchanger and then is cooled, the low-temperature heat medium water exchanges heat with the high-temperature black water in the water-water heat exchanger and is heated to become high-temperature heat medium water, and the high-temperature heat medium water is conveyed to the second-class absorption heat pump to be used for preparing high-grade steam. High-temperature heat medium water is returned to the water-water heat exchanger to be recycled after being subjected to heat absorption and cooling by the second-class absorption heat pump, black water waste heat is converted into high-grade steam required by production through the heat exchange unit, the heat medium water unit and the second-class absorption heat pump, waste of gasified black water waste heat is reduced, and the black water waste heat recovery efficiency and utilization quality are effectively improved. And the utilization efficiency of energy is integrally improved.

The invention provides a system for producing deuterium-rich water by combining chemical exchange and liquid ammonia rectification, which comprises an ammonia A2 storage unit, an ammonia water exchange device, a liquid ammonia rectification device and a water ammonia exchange device, and three processes of ammonia water exchange, liquid ammonia rectification and water ammonia exchange are coupled and connected in series to construct a complete hydrogen isotope (deuterium) enrichment path. According to the path, deuterium is efficiently transferred from high-boiling-point raw water to a low-boiling-point ammonia medium through ammonia water exchange, low-energy-consumption and high-magnification deuterium enrichment is achieved in an N-stage rectifying tower through liquid ammonia rectification by means of the low-boiling-point characteristic of liquid ammonia, and finally high-deuteration-degree ammonia is efficiently converted back to high-deuteration-degree deuterium-enriched water through reverse water ammonia exchange. Cooperative transmission of the material flow and the isotope flow is obviously optimized, and directional and step-by-step enrichment of deuterium in the material flow process is achieved.

The application provides a kind of coupling ice module surface water-groundwater integrated simulation method and system, which is based on the extended SWAT-GL model, and inputs rainfall, snowmelt and glacial melt water as daily effective rainfall, transfers the infiltration recharge and river level to MODFLOW through daily interface, simulates the change of groundwater head and the exchange amount of surface water-groundwater by using three-dimensional groundwater flow equation, and feeds back the results to SWAT-GL river water balance, realizes the two-way dynamic coupling of the whole process of glacier-snow-surface-groundwater. The system breaks through the limitation that it is difficult to simultaneously depict the glacier mass balance and groundwater dynamics in cold region simulation, and can reveal the recharge and regulation mechanism of glacial melt water to groundwater system under the driving of climate change at a fine time scale, significantly improving the simulation capability of key processes of water cycle in cold regions.

The invention discloses a disease prevention and control method for liriopus undulatus fry breeding, and belongs to the technical field of aquaculture. According to the method, disease prevention and control are achieved through the synergistic effect of water quality regulation and control treatment, nutrition regulation and control and regular drug prevention, in the water quality regulation and control process, aquaculture water is subjected to sand filtration and ultraviolet sterilization, the water temperature is maintained to be 22-32 DEG C through an air source heat pump, the salinity is controlled to be 25-35% o, the dissolved oxygen is larger than or equal to 5 mg / L, the daily water change amount is controlled to be 400-600%, and the illumination intensity is controlled to be 4000-7000 lx; in the nutrition regulation and control, the fries with the specification of 5-10 cm are fed twice a day, a slow-fast-slow feeding mode is adopted, and the fries are circularly fed in an interval mode that mixed feed of fishery multivitamin and lactic acid bacteria is added in 6 days, fresh and alive shrimp seeds are added in 1 day, the mixed feed of fishery multivitamin and lactic acid bacteria is not added in 6 days, and the fresh and alive shrimp seeds are not added in 1 day; in the regular drug prevention, a chlorine preparation or an iodine preparation with the treatment dose of 50% and a 1g / m < 3 > copper sulfate preparation are used for running water prevention every 15 days. By means of the method, the morbidity and mortality of the fry can be remarkably reduced, the morbidity is reduced by 80% compared with a traditional breeding method, the mortality after morbidity is reduced by 50%, and the breeding survival rate of the liriopus undulatus fry is effectively increased.

The invention provides a device and a process method for preparing formic acid through electro-catalysis in a pressurized water reactor environment, and relates to the field of comprehensive utilization of nuclear energy. The device comprises a pressurized water reactor first loop system, a circulating water second loop system and an electrolytic formic acid preparation device. The pressurized water reactor first loop system comprises a reactor, a voltage stabilizer, a steam generator and a coolant pump, the coolant pump is used for driving a coolant to circulate in the first loop, and the coolant is used for conveying heat generated by the reactor to the steam generator to exchange heat with the circulating water second loop system; the circulating water second loop system comprises a steam turbine, a condenser, a cooling water source and a steam generator, the steam turbine, the condenser, the cooling water source and the steam generator are sequentially connected to form a second loop, and cooling water exchanges heat with the coolant in the steam generator. A pressurized water reactor power generation system is combined with a system for preparing formic acid through electrocatalytic carbon dioxide reduction, and the overall energy conversion efficiency and the comprehensive energy utilization level of a nuclear energy power generation system are effectively improved.

The invention relates to the technical field of steam generators, in particular to a steam generator with a water treatment function. The treatment mechanism is used for pretreating water entering the steam generator body; the treatment mechanism comprises a treatment box; the mixing box is fixedly mounted on the treatment box; the dispersing plate and the flow guide plate are fixedly mounted in the treatment box; and the resin is arranged between the dispersion plate and the guide plate. According to the steam generator disclosed by the invention, calcium ions and magnesium ions in water are exchanged with sodium ions on the resin through the arrangement of the resin, so that the hardness of the water is reduced, the generation of scale is greatly reduced, the service life of the steam generator body is prolonged, the resin can be subjected to regeneration treatment, and the softening effect on the water is ensured; the problems that due to frequent cleaning, the labor intensity of workers is increased, the steam generator body stops for a long time, and use of the steam generator body is affected are solved.

The invention discloses a straw side edge uniform throwing and returning device which comprises an adjustable uniform throwing mechanism installed on one side of a straw material box, the straw material box is installed on an agricultural machine, the adjustable uniform throwing mechanism is located on one side of the agricultural machine and communicates with an air source, a material conveying mechanism is installed on the lower portion of the straw material box, and the material conveying mechanism communicates with the air source. The outlet end of the material conveying mechanism is communicated with the inlet end of the adjustable uniform throwing mechanism, and straw is supplied into the adjustable uniform throwing mechanism through the material conveying mechanism and is uniformly thrown out through the adjustable uniform throwing mechanism under the action of airflow. By means of the device, straw can be evenly thrown to soil, it is ensured that seeds can fully absorb nutrients, the emergence rate is increased, the uniformity of subsequent fertilization is ensured, meanwhile, the situation that heat and water exchange of soil is hindered is avoided, and the situation that the microenvironment in the field is unbalanced is prevented. The straw returning device is suitable for the technical field of straw returning.

The present application relates to the technical field of ecological environment management, in particular to an ecological floating bed water purification device, which comprises a hollow structure floating bed frame and a floating bed tank body arranged in the floating bed frame, the floating bed frame is provided with a buoyancy adjusting assembly for adjusting the draft of the whole floating bed; the floating bed frame is connected with the floating bed tank body through a traction assembly, the traction assembly is used for making the floating bed tank body move linearly upward along the gravity direction; the floating bed frame is also provided with a water exchange assembly, the water exchange assembly is used for guiding the deep water to the surface layer to realize the exchange of the water in the vertical direction; the floating bed frame is also provided with a fixing anchor for fixing the whole floating bed; the technical problem that the ecological floating bed in the prior art has certain limitations and a small application range is solved.

The present disclosure relates to the technical field of hydraulic engineering, in particular to a method and device for calculating the hydrological connectivity of river and lake floodplain and main channel, electronic equipment and medium, the method comprising: obtaining characteristic cross-section topographic data of the water area to be analyzed; calculating the division boundary of the floodplain and the main channel by the hydraulic depth objective function method; constructing the relationship function of the water area, wet perimeter and water level of the main channel and the floodplain, obtaining the water conveyance capacity function of the main channel and the floodplain; combining the total flow process to obtain the average flow velocity function of the main channel; identifying the start and end time periods of the floodplain hydrological connectivity event according to the water level, flow process and division boundary of the floodplain and the main channel; calculating the exchange volume of water storage and drainage on the floodplain and the entrainment exchange volume respectively, and finally determining the hydrological connectivity of the floodplain hydrological connectivity event. The present disclosure is based on cross-section topography and hydrological process data, and can obtain the hydrological connectivity index without complex two-dimensional / three-dimensional simulation, thereby providing a reliable technical basis for the treatment of the floodplain and the main channel, ecological restoration and engineering scheduling.

This invention discloses a dynamic counting method for uneaten feed in sturgeon based on multi-target tracking, comprising the following steps: Step S1: Collecting video data of uneaten feed in the water flow at the water exchange inlet of the sturgeon breeding pond using an underwater camera; Step S2: Optimizing the quality of the acquired images using image enhancement technology; Step S3: Using a YOLO model as a detector to achieve accurate detection of uneaten feed, and using an improved SORT algorithm to stably track the uneaten feed; Step S4: Performing precise statistical analysis on the tracking results based on a dynamic counting line. This invention is applicable to uneaten feed counting in industrialized sturgeon farming, providing precise data support for feed feeding management, optimizing feed utilization efficiency, reducing farming costs, and providing efficient technical support for intelligent aquaculture.

The invention discloses a cable cross-linked insulating material shaking tank heat energy recovery system, and relates to the technical field of cable material processing, the cable cross-linked insulating material shaking tank heat energy recovery system comprises a first shaking tank, a second shaking tank and a heat pump assembly, a condenser of the heat pump assembly is arranged in a hot water exchange tank, and the water outlet end of the hot water exchange tank is connected with a hot water storage tank; an evaporator of the heat pump assembly is arranged in a cold water exchange tank, the water outlet end of the cold water exchange tank is connected with a cold water storage tank, and the hot water storage tank and the cold water storage tank are at least connected with a first shaking tank and a second shaking tank through a water pump and a three-way electromagnetic valve assembly. And when the first shaking tank is cooled, the second shaking tank is heated to form a heating internal circulation system and a cooling internal circulation system. The internal circulation heat exchange system is adopted, energy recycling is achieved, energy consumption can be effectively reduced, production efficiency is improved, labor intensity is reduced, and meanwhile product stability is improved.