448 results about "Natural water" patented technology

The invention discloses a method for evaluating the influence of reservoir-water transfer project combined regulation on downstream ecological flow. The method comprises the following steps: step 1, collecting data of a research area; 2, constructing a water transfer project water source area natural water circulation model WEP-NHA; step 3, constructing a natural-social binary water circulation coupling model WEP-HA; 4, simulating the runoff of the water source area by using a WEP-HA model; 5, the system analyzes the change degree of the key control section water quantity and the ecological flow guarantee rate of the water source area under the condition that the reservoir and the water transfer project are overlapped. According to the method, system simulation of disturbance response of a complex system in a water source area can be achieved, the comprehensive influence of a complex water conservancy project system on water resources and the ecological environment is effectively revealed, high adaptability and predictability are achieved, the problem of regulation and storage effect simulation of a reservoir without data or with little data is effectively solved, and the method is suitable for popularization and application. And decision support is provided for scientifically formulating the water transfer scale and guaranteeing the ecological flow.

The invention relates to the technical field of roe breeding, in particular to a salmon roe breeding and hatching integrated device and method.The device comprises a hatching pond, and a partition plate is arranged in the center of the hatching pond and divides the hatching pond into a hatching cavity and a breeding cavity; an overflow pipe capable of sliding is arranged on the partition plate; a filter assembly is arranged in the breeding cavity and comprises a mounting frame and a filter screen; through linkage of the overflow pipe and the filter screen, automatic regulation and control of water quality purification and fry protection in the salmon egg hatching process are achieved. The self-adaptive angle adjustment of the filter screen along with lifting of the overflow pipe is matched with the clearance channel, efficient separation of fry and impurities is achieved, the survival rate of the fry is guaranteed, the hatching environment is kept clean through concentrated fishing of the impurities, hatching conditions simulating the natural water flow period are provided for salmon demersal eggs, egg adhesion is reduced, the hatching efficiency is improved, and the survival rate of the salmon is increased. And the excellent breeding target of the salmon fries is achieved.

The utility model discloses an eDNA solid state passive sampler suitable for natural water, and relates to the eDNA sampler field, the eDNA solid state passive sampler comprises a lure pole, a lure wheel and a main line, the lure wheel is fixedly arranged on a wheel seat of the lure pole, one end of the main line is wound on a line cup of the lure wheel, the other end of the main line passes through a line guide ring arranged on the lure pole, and the line guide ring is arranged on the lure pole. The device further comprises a buoy, a buoy fixing hook, a slidable buoy seat, a stainless steel nesting device and an adsorption material filter membrane. According to the solid passive sampler suitable for the eDNA in the natural water body, the design that a stainless steel nesting device and a lure rod are combined is adopted, so that the sampling process is simple and rapid, complex equipment is not needed, and rapid deployment and recovery in a field environment are facilitated; the sampler can be kept stable under different water flow conditions, the problem that the sampler is lost along with water or washed away is effectively prevented, and the sampling efficiency and the success rate are greatly improved.

The invention discloses a regional water balance health evaluation method and device based on binary water circulation. The method comprises the following steps: acquiring a natural water circulation key element data set, a social water intake key flux data set and a key evaluation index data set of each subsystem in a historical period in a target area; then carrying out pretreatment; constructing a natural water circulation health evaluation model, and inputting natural water circulation key elements to obtain a first evaluation value; constructing a social water circulation health evaluation model, and inputting social water circulation key elements to obtain a second evaluation value; constructing a cooperation system coordination degree evaluation model, and inputting key evaluation indexes of a social economic system, an ecological environment system and a water resource system to obtain a third evaluation value; and constructing a comprehensive water balance health evaluation model, inputting the obtained first evaluation value, the second evaluation value and the third evaluation value into the comprehensive water balance health evaluation model to obtain a comprehensive evaluation value, and performing evaluation analysis on the regional comprehensive water balance health state through the comprehensive evaluation value.

The invention provides a method and a device for efficiently proliferating sepiella maindroni by combining grazing and raising, and belongs to the field of aquatic animal proliferation. An efficient breeding method for sepiella maindroni integrating grazing and breeding comprises the following steps that an appropriate sea area is selected, fertilized eggs are bred in a breeding facility laid in the downstream direction of a normal fish breeding net cage, namely an empty net cage containing an artificial floating reef, the periphery of the empty net cage is provided with an algae-mussel flow blocking ecological rope, and a cover net is arranged above the empty net cage; the newly hatched cuttlefish can stay in the proliferation facility empty net cage for a long time due to the characteristics of loving reefs and drilling the net and strong space awareness, and slowly escape into natural water after gradually adapting to the proliferation environment. According to the proliferation method, cuttlefishes gradually adapt to the natural environment of the sea area, meanwhile, cuttlefish larvae are well protected enough in the fragile incubation initial stage through protection measures such as net cages, and therefore the proliferation survival rate and the maintenance efficiency are improved, and efficient proliferation is achieved.

The invention relates to the technical field of soil physical parameter in-situ measurement, and discloses a soil layer natural water content portable intelligent measuring instrument based on multi-source sensing fusion, which comprises a composite probe assembly and an intelligent measurement and control host which are physically connected, the composite probe assembly is configured to be inserted into a soil layer to be tested to construct a multi-physical field test environment, and an electrical transceiving unit and an acoustic transceiving unit are integrated in the composite probe assembly. By constructing a cross physical field excitation and multiphase parameter collaborative decoupling mechanism, a multidimensional dynamic correlation model is established by using the thermosensitive drift characteristic of the sound velocity of a mixed medium during thermal disturbance and the transient step response of a dielectric constant under an acoustic radiation force field; the problems that the coupling influence of the water content and the volume weight cannot be distinguished and the conductivity of bound water and the conductivity of free water are difficult to separate in a traditional means are effectively solved, and four independent physical quantities including the volumetric water content, the in-situ dry volume weight, the bound water content and the actual conductivity of pore water are synchronously inverted through a single probe. And the decoupling precision of the equipment on complex multi-phase soil medium parameters is improved.

The invention relates to the technical field of organic pollutant removal application, and particularly discloses a preparation method and application of a Co and N loaded Ti3Al C2 composite catalyst, and the preparation method comprises the step of successfully doping N and Co into the surface of Ti3Al C2 to synthesize a Co-N-Ti3Al C2 composite material by adopting a simple hydrothermal combined high-temperature carbonization method. Compared with a double combination of the materials, the Co-N-Ti3Al C2 has higher PMS activation and sulfonamide isoxazole (S IZ) degradation capability, and 98.6% of S IZ simulation wastewater with the concentration of 10 mg / L can be removed within 30 minutes by combining the Co-N-Ti3Al C2 with a PMS system. The high catalytic activity of the material is attributed to the strong interaction between pyridine N and Co atoms on the surface of Ti3AlC2, and meanwhile, the strong interaction is also beneficial for inhibiting leaching of Co ions in the material. The Co-N-Ti3Al C2 composite material has the advantages that the Co-N-Ti3Al C2 composite material is high in interference resistance, high in activity in natural water and high in practical applicability.

The present invention relates to the technical field of fish reproduction and release facilities, and specifically to an ecologically simulated fish fry wilding training fishway and a wilding training method. A water reservoir, a water supply unit, a return water unit, a fishway body, and an inlet fishway; the water supply unit is used to supply water from the water body to the water reservoir; one end of the fishway body is connected to the water reservoir through a water discharge valve, and the other end of the fishway body is connected to the water body through an inlet fishway; a water retaining gate is provided on the inlet fishway; a first resting pool, a second resting pool, and a third resting pool are provided in the fishway body; a number of stone steps are provided on the fishway body; and at least two water retaining steps are also provided. In response to the technical problem of low survival rate of released fry, the present invention is more in line with the characteristics of the wild habitat of released fish, and can train the fry's ability to adapt to natural water bodies by adjusting the flow rate and flow rate in the fishway body, meet the needs of fish wilding training, and also meet the needs of zoned breeding in the fishway body at the same time.

The utility model relates to the field of freshwater snail capturing, in particular to a pomacea canaliculata trapping device. The device comprises a water-permeable basket body with a top cover, and one or more side walls of the basket body are provided with oval funnel channels or round funnel channels. According to the device, LED lamp luring commonly used in previous food luring tests is changed, holes are formed in the side face of the basket body, natural water flow is utilized to enable smell of luring food to be transmitted to water, and the ampullaria gigas is luring into the basket body; height differences exist between the elliptical holes and the round holes and the bottom of the basket body, so that the pomacea canaliculata cannot escape; the pomacea canaliculata gathered through food attraction can be conveniently treated in a centralized manner; according to the device, the attractant can be taken out and added at any time in the test process, the problem that the attractant effect in the later test period is reduced due to degradation of the attractant is solved, the device is simple in manufacturing method, materials are easy to obtain, cost is low, pesticide use is avoided, and the device is economical, practical and environmentally friendly.

The invention provides a cascade water-light complementary scheduling method for a water-light load multi-uncertainty distribution network system. The method belongs to the field of power system dispatching optimization. A cascade hydropower station power generation model, a photovoltaic power generation model and a distribution network system model are combined to establish a cascade water-light complementary power generation joint optimization scheduling model; converting the cascade water-light complementary power generation joint optimization scheduling model into a two-stage robust optimization model, and performing linearization processing; decomposing the two-stage robust optimization model into a main problem and a sub-problem; loosening the decomposed sub-problem and constructing a new objective function to obtain an infeasible test sub-problem; and iteratively solving the main problem, the sub-problems and the infeasible test sub-problems to obtain a day-ahead scheduling plan. According to the method, multiple uncertainties of natural incoming water and photovoltaic output of the small hydropower station are considered, the power generation flexibility of the cascade hydropower station is excavated to improve the photovoltaic absorption capacity, and efficient solution of the model is realized by providing a linearization method of the hydropower model and a sub-problem feasibility test method.

The utility model discloses a micro-power nitrogen removal tank. The micro-power nitrogen removal tank comprises a first chamber, a second chamber, a fluid discharge channel and a gas supply unit, wherein the first chamber is used for reducing oxygen content; the second chamber is used for removing nitrogen; the first chamber is provided with a water inlet, the upper part of the first chamber is communicated with the upper part of the second chamber, and the lower part of the second chamber is communicated with the lower part of the fluid discharge channel; the gas supply unit is communicated with the lower part of the fluid discharge channel and is used for introducing gas into the fluid discharge channel; during application, aerobic bacteria can be added into the first chamber, and anaerobic bacteria can be added into the second chamber; sinking the micro-power nitrogen removal tank added with the strain into a sewage water body; the micro-power nitrogen removal tank disclosed by the utility model can realize flowing of an internal water body only under the action of airflow, is extremely low in energy consumption, and can assist in realizing removal of total nitrogen under the condition that the ecology of a natural water body is not changed.

The utility model discloses a cooling water waste heat recovery system for cultivation, and relates to the technical field of cooling water waste heat recovery, the cooling water waste heat recovery system for cultivation comprises a temperature adjusting device and a first pipeline, the temperature adjusting device is provided with a first water flow channel, an outlet of the first water flow channel is used for being communicated with a cultivation pool, and the first pipeline is provided with a second water flow channel. The temperature adjusting device is used for heating water flowing into the first water flow channel, an inlet of the first pipeline is used for being communicated with a circulating cooling water outlet of a thermal power plant, and an outlet of the first pipeline is selectively communicated with the inlet of the first water flow channel and one of the breeding ponds. According to the cooling water waste heat recovery system for breeding, the waste heat of the circulating cooling water is used for fishery breeding, recycling of the waste heat of the circulating cooling water can be achieved, energy is saved, huge economic benefits can be generated, meanwhile, a natural water area can be prevented from being affected by heat pollution, and the environment is protected.

The invention discloses a method and a system for co-processing rain sewage wastewater in the non-ferrous metal resource recycling industry, the rain sewage wastewater comprises rainwater, general production wastewater, acidic wastewater and acidic wastewater, and the method comprises the following steps: carrying out coagulating sedimentation, filtration and low-pressure reverse osmosis desalination treatment on the rainwater and the general production wastewater; concentrated water of reverse osmosis is used as a liquid preparation of lime milk of waste acid wastewater and acidic wastewater; the method comprises the following steps: carrying out vulcanization reaction on waste acid wastewater and acid wastewater, carrying out neutralization treatment with lime milk, softening, filtering, resin softening, reverse osmosis and evaporative crystallization treatment, taking evaporated steam condensate as reuse water, and carrying out resource utilization on salt obtained by evaporative crystallization. According to the invention, zero discharge of wastewater generated in the non-ferrous metal recovery process can be realized, no wastewater is discharged to the outside, and natural water and soil are ensured not to be polluted.

The invention belongs to the technical field of computer vision monitoring, and relates to a bridge pier anti-collision facility operation state visual monitoring method and system. The method comprises the following steps: acquiring an anti-collision facility video stream under natural water flow, tracking feature points and mapping the feature points into physical plane coordinates; performing time sequence analysis on the coordinates, and extracting a connection gap signal and a vertical displacement signal; constructing a structure health dynamic model, converting a connection gap signal into a connection looseness index reflecting a connection toggle clip state, and converting a vertical displacement signal into a relative floating state attenuation index reflecting a unit buoyancy state; and the indexes are compared with a preset threshold value, so that whether the anti-collision facility has the risk of dynamic loosening or leakage water inflow or not is judged. According to the invention, buoyancy loss in the anti-collision device and dynamic looseness of the connecting structure can be effectively identified, and the bridge protection safety is improved.

The invention discloses a natural-artificial coupling virtual water network digital twinborn model construction method and system. The method comprises the following steps: acquiring historical monitoring data of a natural water network and an artificial water network; preprocessing the historical monitoring data to obtain a standardized data base plate; constructing a natural water network model and an artificial water network model based on the standardized data base plate of the natural water network; and based on the natural water network model and the artificial water network model, constructing a natural-artificial coupling virtual model through a graph theory algorithm. According to the method, effective integration of natural water network data and artificial water network data is realized, a comprehensive and accurate data basis is provided for subsequent model construction, the comprehensive cognition and analysis capability of the whole water network system is improved, the constructed model can realize comprehensive and accurate simulation of natural and artificial water network systems, and the construction efficiency is improved. Real-time interaction and sharing of water flow, water quality and other information between a natural water network and an artificial water network are achieved, and a powerful tool is provided for reasonable allocation and management of water resources.

The invention discloses a construction and verification method of a watershed water resource comprehensive simulation and configuration model, and belongs to the technical field of water resource planning and configuration. On the basis of a natural-social binary water circulation structure, flow generation, flow concentration and allocation modules are coupled, a topological relation is determined by dividing calculation units, and a model is constructed with the minimum water shortage rate and the optimal water supply fairness as targets; establishing a multi-source database containing meteorological information, land utilization information, reservoir information and water consumption unit information; performing iterative calibration and verification on natural water circulation and social water circulation parameters by using historical data; and coupling the model which is verified to be reliable with underlying surface and climate scene data of a future planning year, and operating and outputting a water resource optimal configuration scheme. The method solves the problems that an existing model is low in coupling degree and poor in precision, and high-precision simulation and scientific configuration of a drainage basin water resource system are achieved.

The invention discloses a preparation method of manganese-based hydrotalcite and application of the manganese-based hydrotalcite in removing thallium pollution. According to the invention, the manganese-based hydrotalcite is prepared by adopting a nucleation crystallization method by accurately regulating and controlling the hydrotalcite laminate element composition, the interlayer ion species and the atomic proportion. The prepared manganese-based hydrotalcite realizes high-selectivity specific adsorption of thallium pollutants through surface hydroxyl complexing, interlayer anion exchange, electrostatic interaction and oxidation-reduction reaction. Even in a complex adsorption environment, such as interference of different pH values, various common metal cations and organic matters, the manganese-based hydrotalcite can still keep the adsorption efficiency higher than 95%, and in a natural water environment, thallium pollutants can be effectively reduced to be lower than the national surface water discharge standard (0.1 microgram / L).

The invention relates to the technical field of water resource management and optimal scheduling, and discloses a dynamic-based regional reclaimed water utilization scheduling method and system.The method comprises the steps that natural water volume, water quality conditions and water resource supply and demand data are collected, and a water source data set is obtained; analyzing the water source data set to evaluate the current reuse water utilization situation, and determining the reuse water utilization potential in combination with a target file; integrating the reclaimed water utilization potential and the regional dynamic characteristic data into a comprehensive data set, and inputting the comprehensive data set into a dynamic model to predict a reclaimed water optimal configuration scheme; and triggering a corresponding water supply strategy according to the optimal configuration scheme in combination with the purpose of the reclaimed water. According to the application, efficient scheduling of reclaimed water is realized through the kinetic model, the water resource utilization rate is improved, and regional economic and ecological requirements are met.

A comprehensive system for hatching drifting fish eggs includes a culture tank, a flow control system, a roundabout real-time monitoring system, a stepped egg transfer system, an egg release system, an egg collection system, a tailwater collection platform, and a water storage tank. This system eliminates the influence of previous single-factor conditions on hatching, achieving the adjustability of influencing factors under different hatching environments, real-time tracking of the entire egg hatching process, and simulation of natural water flow conditions. During the hatching process, the system replaces the cumbersome operation of multiple manual egg releases in previous patents with a single, fully automated egg release process, thereby improving the egg hatching rate. Furthermore, to identify the drifting path patterns of the eggs during hatching, side-view and top-view egg drift monitoring systems and a hydraulic characteristics testing system are provided. The hatching drift distance of the eggs, as calculated by the monitoring system, can provide a reference for the fish species richness of the river's main stream and tributaries.

The invention discloses an aerobic high-efficiency ammonia nitrogen degradation strain TYF-QDKJ-P83 and application thereof, the strain is classified and named as Pseudomonas protegens, the strain is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC NO.36443. The invention further discloses a preparation method of the aerobic high-efficiency ammonia nitrogen degradation strain TYF-QDKJ-P83. The invention further discloses an application of the aerobic high-efficiency ammonia nitrogen degradation strain TYF-QDKJ-P83. The strain has outstanding ammonia nitrogen metabolism capability under an aerobic condition, can quickly and efficiently convert ammonia nitrogen in a water body into a harmless or low-toxicity form, has wide tolerance and adaptability to environmental factors such as pH, temperature and the like, and is stable in performance. The strain is suitable for bioremediation of natural water, domestic sewage and various industrial wastewater, can effectively improve the denitrification efficiency and the system stability, and has the advantages of simplicity and convenience in operation, environmental friendliness and high practical application value.

The invention belongs to the technical field of sewage treatment equipment, and particularly relates to a high-spinning-state sulfur-ferrihydrite adsorption material for a fixed bed, a preparation method and fixed bed adsorption equipment. According to the high-spin-state sulfur-ferrihydrite adsorption material for the fixed bed, in the preparation process, through the weak field ligand effect of sulfur, a FeO6 octahedron of ferrihydrite is triggered to generate remarkable Taylor (Jahn-Teller) distortion, Fe < 3 + > is induced to be converted into a high-spin state, spin polarization is regulated and controlled, part of low-spin-state Fe < 3 + > ions are promoted to be converted into the high-spin state, and the high-spin-state sulfur-ferrihydrite adsorption material for the fixed bed is obtained. The high-spin-state sulfur-ferrihydrite is obtained, the affinity with phosphate is enhanced, and the phosphate adsorption performance of the ferrihydrite is improved at present; the high-spinning-state sulfur-ferrihydrite is filled into fixed bed adsorption equipment, so that pollution of wastewater and sewage discharge to natural water bodies such as underground water, rivers and oceans can be effectively reduced, and the phenomena of algae bloom and red tide are avoided.

The utility model discloses a real-time regulation and control system for treating a natural water area based on graphene oxide photocatalysis, which comprises a water quality real-time monitoring device connected with the treated natural water area and capable of acquiring water quality parameters and water quality images of the treated natural water area in real time; the graphene oxide dosing device is connected with the natural water area and can add a graphene oxide catalyst into the natural water area; the illumination device is arranged above the treated natural water area and can provide illumination for the natural water area; the water quality real-time monitoring device, the dosing device and the illumination device are electrically connected with the main control device respectively, and the main control device can display water quality parameters and images obtained by the water quality real-time monitoring device and control on-off of the dosing device and the illumination device; the remote control device is in wireless communication connection with the main control device, can synchronously display water quality parameters and images displayed by the main control device, and remotely controls the opening and closing of the dosing device and the illumination device through the main control device. The system can ensure the photocatalytic treatment effect and efficiency of a natural water area.

The present invention belongs to the technical field of analysis and detection, and specifically relates to a method and system for rapid detection of iron ions in environmental water. The method of the present invention comprises the following steps: step 1, treating a water sample to be detected with a chemical color development system, causing the chemical color development system to change color, and taking a picture of the chemical color development system; step 2, segmenting a region of interest from the picture; step 3, calculating the change value of each component in the RGB color space and the HSI color space in the region of interest; step 4, using the change value of at least two components obtained in step 3 as a feature, analyzing the content of iron ions in the water sample to be detected by a multivariate regression equation model. The present invention has significant advantages such as low cost, simple operation, high detection efficiency, and strong anti-interference ability, and is suitable for detecting Fe ions in natural water bodies. 3+ The rapid detection of concentration has a good application prospect.

The utility model discloses a wastewater treatment device, which belongs to the technical field of wastewater treatment and comprises a connecting plate, a plurality of supporting rods are fixedly connected to the top of the connecting plate, a water storage tank is fixedly connected among the tops of the supporting rods, and a filter component is mounted at the top of the water storage tank. According to the plastic garbage treatment device, by arranging the filtering assembly, plastic garbage can be intercepted in advance, it is guaranteed that sewage can flow smoothly in the follow-up treatment link, the treatment efficiency is improved, meanwhile, the filtering assembly is arranged, and meanwhile, the filtering assembly is arranged on the water storage tank. The plastic garbage can be effectively prevented from entering a natural water body, the water resource and the ecological environment are protected, by arranging the purification assembly, it can be ensured that tiny pollutants in the waste water can be effectively removed, the treated water is purer, dependence on natural resources can be reduced, and sustainable utilization of the resources is achieved.

The utility model provides double-motor switching type water supply equipment, which relates to the technical field of water supply equipment and comprises a mounting seat frame, and a square water tank is fixedly arranged at the top of the mounting seat frame. Two sets of conveying pistons are fixedly arranged on the two sides of the top of the mounting seat frame, the two sets of conveying pistons are symmetrically mounted, and piston driving frames are fixedly arranged at the telescopic ends of the two sets of conveying pistons; two groups of sub-control valves are fixedly arranged at the bottom of the square water tank, and each sub-control valve is of a four-way structure; discharge pipes are connected to the outsides of the branch control valves; the branch control valves are arranged, the dual-mode conveying function is provided, natural water pressure drainage can be selected by operating the opening and closing modes of the branch control valves, or a driving motor is used for driving a crankshaft to rotate, the crankshaft drives a piston driving frame to reciprocate, conveying pistons on the two sides stretch and contract to change the volume, the conveying function is achieved, water is actively discharged to the outside, and then water use control is achieved. Control is convenient, the energy-saving effect is achieved, and the problem that an existing device is single in conveying mode is solved.

A water energy conversion device comprises a water damming assembly provided in a watercourse (6, figure 19) (e.g. river) and comprising a rectangular support frame 1 provided with a sheet metal shutt

The invention relates to Flavobacterium cylindricum NY-1 and application thereof in prevention and treatment of microcystis water bloom, and belongs to the technical field of microorganisms, the Flavobacterium cylindricum NY-1 is preserved in Guangdong Microbial Culture Collection Center on February 11, 2026, the preservation number is GDMCC 67866, the Flavobacterium cylindricum NY-1 can efficiently and specifically target a microcystis population structure and drive the microcystis population structure to complete a'sedimentation-extinction 'process, and the Flavobacterium cylindricum NY-1 can be applied to prevention and treatment of microcystis water bloom. After the algal inhibition agent is applied to a natural water body with microcystis bloom for 72 hours, the algal inhibition rate reaches up to 99%, and the microcystis in the water body is almost completely removed, so that the microcystis bloom is efficiently treated.

The utility model provides a kind of potential energy recovery formula sewage mixing stirring device, it belongs to sewage treatment technical field, it includes anaerobic tower, anoxic tank, liquid level control assembly and pressure stabilizer, the anaerobic tower outside is equipped with riser, the water outlet of anaerobic tower is communicated with riser, the lateral wall of riser is equipped with anaerobic effluent pipe, the anoxic tank is equipped with stirring assembly, the stirring assembly includes L-shaped water distribution main pipe and multiple array distribution water distribution branch pipe, multiple water distribution branch pipe are communicated with L-shaped water distribution main pipe, every water distribution branch pipe is equipped with multiple array distribution stirring nozzle. The utility model is driven stirring nozzle to form jet by the natural water head difference between anaerobic tower and anoxic tank, maintain stable water head in combination with liquid level control assembly, balance water flow pressure fluctuation using pressure stabilizer, effectively solve the problem of high energy consumption and energy waste of traditional mechanical stirring.

The application discloses a pre-release brown rockfish wilding method and belongs to the technical field of wilding target biological wilding, in particular to the wilding of wilding target organisms in a wilding device, wherein the wilding device comprises a pool body, a mounting assembly arranged on a corner of the pool body, a wave-making assembly mounted on the mounting assembly, an auxiliary assembly arranged on a corner opposite to the mounting assembly of the pool body, jetting assemblies arranged on two sides of the auxiliary assembly, and a collecting body arranged at the center of the pool body; the wave-making assembly generates water flow to drive the wilding target organisms to swim around the collecting body, and the wilding target organisms are wilded. The pre-release brown rockfish wilding method has the advantages of good wilding effect, good wave-making effect, improved water flow speed, avoided formation of dead water, good decontamination effect, sound noise driven wilding target organisms, avoided biological casualties, formed water flow interference, simulated natural water area vortex, and realized gas and water body mixing.

The invention discloses a method and a system for evaluating influence of discharged water temperature of a reservoir based on frequency analysis, and relates to the technical field of water conservancy projects, a distribution interval covering variation of natural water temperature is constructed based on a natural water temperature time sequence of many years in ten days, and the historical variation range of water temperature of a dam site and the occurrence probability of each temperature section are reflected more truly; by matching the discharged water temperature of the reservoir with the natural water temperature distribution interval in ten days, whether the discharged water temperature falls into the natural water temperature distribution interval or not is judged, so that whether the discharged water temperature deviates or falls into the natural water temperature variable amplitude after the reservoir operates or not is recognized; and whether the antenna belongs to a high frequency band or a low frequency band can be further judged. By means of the method, whether the discharged water temperature falls into the natural water temperature interval range or not can be recognized, whether the discharged water temperature belongs to a common or rare water temperature value in the natural water temperature state or not can be judged in a quantified mode, and therefore quantitative evaluation on the influence intensity of the discharged water temperature after the reservoir operates is achieved.