256 results about "Natural water" patented technology

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 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 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 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 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.

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.

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.

This invention relates to a biological-ecological synergistic purification system for road runoff pollutants in municipal roads, belonging to the field of municipal road rainwater treatment technology. With the acceleration of urbanization, the pollution of natural water bodies by road runoff pollutants is becoming increasingly serious. This biological-ecological synergistic purification system uses a bar screen to intercept large particles and sludge, a biofilm reactor to degrade pollutants using a combined packing layer, an ecological filter to further purify the water using multi-layered filter media and plants, and an ultraviolet disinfection device to kill pathogens. Finally, the purified water is discharged into natural water bodies. It is mainly used to effectively purify road runoff pollutants in municipal roads and protect the natural aquatic environment.

The utility model discloses a multi-layer roe hatching device which comprises a frame body, a plurality of layers of separating frames and a plurality of layers of hatching devices. The incubation drawers are arranged on the partition frames on the corresponding layers in a sliding mode, water inlets and water outlets are formed in the incubation drawers, plugs are detachably connected to the water outlets, and water return openings are further formed in the incubation drawers; the hatching trays are arranged in the corresponding hatching drawers, and water outlet parts communicated with the hatching drawers are arranged on the bottom surfaces and the side walls of the hatching trays; the water flow circulating pipe fitting comprises a water outlet pipe fitting and a water return pipe fitting, the water outlet pipe fitting is connected with the water inlet, the water outlet pipe fitting is configured to simulate natural water flow to discharge water for roe incubation, the water return pipe fitting is connected with the water return port, and the water return pipe fitting is configured to recover water in the roe incubation process. The space occupied by the multi-layer roe hatching device is reduced, and the hatching efficiency is improved.

The utility model discloses an overwater photovoltaic device, relates to the field of photovoltaic equipment, and aims to solve the problems that the existing overwater power station is suitable for natural water areas or seas, and the sightseeing range is reduced when the existing overwater power station is arranged in landscape water areas. Single bodies are designed, hexagonal-prism-shaped buoyancy tanks are arranged for the single bodies, the bearing surfaces are expanded by splicing the different single bodies through the buoyancy tanks, photovoltaic modules are installed on the buoyancy tanks, the power generation function is achieved, meanwhile, the power generation device can be reasonably arranged in a landscape water area, and compared with a traditional water power generation station, the power generation device provides a space for tourists to play in a hydrophilic mode; the shape can be changed by adjusting the included angle of the photovoltaic panel, the attractiveness is improved, meanwhile, the orientation of the photovoltaic panel can be adjusted according to needs, the sunlight irradiation duration is prolonged, and the power generation efficiency is improved.

The utility model discloses a bottle body labeling device for drinking natural water production, which comprises a working table, the bottom of the working table is fixedly connected with a support rod, the bottom of the support rod is fixedly connected with an anti-slip mat, a conveyor belt is arranged in the working table, the top of the working table is provided with a labeling box, and the bottom of the labeling box is provided with a bottle body. A support is fixedly connected to the upper end of the workbench, a box is fixedly connected to the top of the support, a guide mechanism is arranged on the conveying belt, and a dust removal mechanism is arranged on the box. According to the utility model, under the action of the rotating roller and the guide roller, when a bottle body is conveyed on the conveying belt, the movement of the bottle body can be guided, the bottle body can be prevented from toppling over and can be accurately guided into the labeling box for labeling, and the position of the guide roller can be adjusted, so that the labeling effect is improved. And bottle bodies with different sizes can be conveniently conveyed and guided.

The invention relates to the field of photovoltaic power generation, in particular to an intelligent household energy management system based on photovoltaic power generation. The method comprises the following steps: acquiring a lawn photovoltaic irrigation panoramic data set, analyzing dynamic watering demand parameters and user activity constraint conditions according to the lawn photovoltaic irrigation panoramic data set, predicting photovoltaic power generation and natural water replenishing efficiency, and generating a multi-source information perception feature set; based on the multi-source information perception feature set, performing matching analysis of an irrigation time window and an energy supply mode under a multi-constraint condition, and generating a multi-constraint feasible strategy set; and based on the multi-constraint feasible strategy set, executing a dynamic coupling optimization decision of an irrigation task and photovoltaic energy, and generating a household lawn photovoltaic energy management log. In the household photovoltaic power generation process, the resource utilization efficiency can be greatly improved, photovoltaic energy is utilized to the maximum extent, power grid dependence is reduced, and the power utilization cost is reduced.

The invention relates to the technical field of metal extraction, in particular to a process for extracting magnesium from taupe salt lake clay containing magnesium in multiple occurrence states. A technology for extracting magnesium from taupe salt lake clay containing multi-occurrence-state magnesium is characterized by comprising the following steps that the salt lake clay is crushed and sieved, then fine particles are soaked in a leaching agent, and leaching liquid containing the magnesium element is obtained through filtering; wherein the leaching agent is prepared from concentrated hydrochloric acid, concentrated sulfuric acid and low-salinity water, and the volume ratio of the concentrated hydrochloric acid to the concentrated sulfuric acid to the low-salinity water is (0.05-0.15): (0.05-0.15): 0.8; the low-salinity water is natural water of the horse-sea basin. According to the method, the low-salinity water and the mixed acid (sulfuric acid and hydrochloric acid) are adopted to prepare the composite extracting agent, the efficient leaching rate is achieved through the multiple cooperation mechanisms of Cl <-> competitive adsorption replacement, sulfate radical complexing dissolution and the ultrasonic cavitation effect, the leaching capacity is greatly improved compared with a single water body technology, and meanwhile acid wastewater discharge is reduced.

The application discloses a natural water fish monitoring method and system based on image recognition, and relates to the technical field of image recognition, and comprises the following steps: determining a target monitoring fish, and configuring an attracting strategy; executing the attracting strategy, synchronously activating a sonar to execute regional scanning of a target area to establish a time sequence scanning data set, and starting an image acquisition device to perform positioning image acquisition, to establish a time sequence acquisition data set; simultaneously, updating sonar acquisition parameters to synchronously execute sonar update data acquisition, to establish an update data set; after extracting key image frames from the time sequence acquisition data set, performing image processing and recognition on the key frame images, to establish a first recognition result; performing positioning recognition on a time sequence window, to establish a second recognition result; after performing alignment and fusion of the first recognition result and the second recognition result, outputting a fusion recognition result. The application solves the technical problems that fish monitoring in the prior art is susceptible to environmental interference and has low recognition accuracy, and achieves the technical effect of improving fish monitoring accuracy and stability.

1. The name of the design product: label (Jiekeshanquan drinking natural water). 2. The use of the design product: label for beverage packaging. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: front view. 5. The back of the design product is not easy to see or not visible during use, omit the rear view; the design product is a thin product, omit the left view; the design product is a thin product, omit the right view; the design product is a thin product, omit the top view; the design product is a thin product, omit the bottom view.

The invention relates to the technical field of water sample filtering devices, and discloses a portable water sample sediment screening and filtering device and a using method.The device comprises a screening filter, a water inlet is formed in the upper portion of the screening filter, a first thread is arranged in the water inlet and used for being connected with an external water bucket, and a water outlet is formed in the lower portion of the screening filter; a second thread is arranged on the outer surface of the water outlet; a cavity is formed in the screening filter, and a plurality of layers of filter plates or filter screens are arranged in the cavity; an air inlet is formed in the upper side of the screening filter and can be externally connected with an air pump. By arranging the silt screening filter and the filtering barrel which are detachably connected, a filtered water body is placed on the upper portion, solid-liquid separation and glue-liquid separation are achieved through screening of different particle sizes and pressurization flow increasing, meanwhile, the device provides multiple use choices, natural water body sampling, primary filtering and fine filtering are completed in a one-stop mode, and the device is high in practicability and high in practicability. Meanwhile, the problems of complex assembly, complex filter membrane replacement and unstable pressure control can be solved, and the device is suitable for daily, field or emergency scenes.

The invention relates to the technical field of hydraulic engineering, in particular to a rotary water tank muddy water test system which comprises a base station, a vertical frame and an annular water tank, the annular water tank is arranged on the base station, the vertical frame is fixed to the base station and located above the annular water tank, a motor is assembled on the vertical frame, and the output end of the motor is fixedly sleeved with a main shaft; the main shaft is rotationally installed on the vertical frame through a bearing seat and extends into a central cavity of the annular water tank, a rotating plate located above the annular water tank is fixedly installed on the main shaft, and a plurality of sets of vertical rods are arranged on the rotating plate. The transmission mechanism drives the vertical rods to synchronously achieve revolution, forward and reverse rotation and up-down movement, the spiral blades are driven to conduct multi-dimensional composite stirring on water in the annular water tank, and water flow is in a special wavy flowing form of natural water. A migration scene of silt and pollutants in a natural environment can be reduced, and a simulation environment close to reality is provided for a test.

Provided herein are processes and systems related to a carbon dioxide sequestration process, comprising a) calcining limestone using a fossil fuel alternative input to form a mixture comprising lime and a gaseous stream comprising more than about 30 vol % carbon dioxide; and b) treating the mixture comprising lime with atmospheric air and allowing carbon dioxide from the atmospheric air to react with the mixture and form a composition comprising calcium carbonate, calcium bicarbonate, or combination thereof. Provided also herein are processes and systems related to a carbon dioxide sequestration process, comprising a) calcining limestone using a fossil fuel alternative input to form a mixture comprising lime and a gaseous stream comprising more than about 30 vol % carbon dioxide; and b) treating the mixture comprising lime with natural water and allowing dissolved carbon dioxide in the natural water to react with the mixture to form a composition comprising calcium carbonate, calcium bicarbonate, or combination thereof.

The application discloses a composite photocatalyst and a preparation method and application thereof, and belongs to the technical field of inorganic composite materials and energy storage and conversion. SrTiO3-TiO2-CaTiO3 is synthesized through a one-step hydrothermal method, and then a layer of Cu2O particles is loaded on the surface of the SrTiO3-TiO2-CaTiO3 through NaBH4 reduction, so as to prepare a composite photocatalyst SrTiO3-TiO2-CaTiO3 / Cu2O with double p-n heterojunctions and double II-type heterojunctions. The composite photocatalyst has the advantages of simple preparation method, obvious improvement of photoelectric conversion efficiency, and high photocatalytic water decomposition hydrogen production effect, and can be applied to hydrogen production in deionized water and natural water.

This invention provides a method for identifying the specific ecological impact range of large-scale water transfer projects. This method aims to address the problems of existing technologies in assessing the ecological impact of large-scale water transfer projects, which struggle to accurately separate the impact of artificial water conveyance from the natural water system background, and whose assessment results are static and subjective. The identification method includes: data fusion and environmental variable construction, identification of key hydrological driving factors, preliminary ecological impact potential modeling, model calibration and impact decoupling, impact zoning, and seasonal dynamic evaluation. Using the method described in this invention, the specific ecological impact range of large-scale water transfer projects can be quantitatively identified, and the assessment results can provide a scientific basis for water resource optimization and project benefit evaluation.

The present invention relates to methods and devices for purifying industrial and natural water of iron, manganese and petroleum products by oxidation of the contaminants with ozone, followed by dissolved air flotation and filtration. The method and device according to the present invention provide for efficient purification of water, while minimizing the costs of carrying out the purification process and maintaining equipment.

The utility model relates to water source sampling device technical field especially convenient sampling natural water treatment with sampling device of different depth water source, including storage box, the surface penetration of storage box is connected with first electric push rod, the left end mounting of first electric push rod has adjusting mechanism, the adjusting mechanism includes U type board, one side of U type board is fixedly connected with first electric push rod, the surface fixed connection of U type board has motor, the pivot of motor penetration U type board and fixed connection has the rotation bar, and the surface of rotation bar is wound with connecting rope. The utility model discloses through setting up U type board, motor, rotation bar, connecting rope, counterweight and sampling pipe, can accurate control the length of connecting rope's retraction, thereby will sampling pipe down to different depth and carry out water source sampling, solved the problem that traditional device is difficult to sample different depth water source, can obtain more comprehensive water quality sample, provides accurate data support for subsequent water treatment.

The upper surface of a purification tank is open, sieve pores are densely distributed in the four side faces and the bottom face of the purification tank, a plurality of ecological floating islands and an ecological blocking net are arranged on the upper surface of the purification tank, the ecological floating islands are all provided with plant planting baskets, aquatic plants are arranged in the plant planting baskets, and the ecological blocking net is arranged on the bottom face of the purification tank. The device disclosed by the utility model is reasonable in structure and wide in application range, is particularly suitable for being used under the condition that no pollutant reduction measures exist at the inlets of rivers and lakes, and can be used for rapidly and effectively degrading the pollutant concentration in water; a microbial agent or a microbial accelerant and an aeration measure are matched, so that the natural water pollutant reduction efficiency can be enhanced; the device is simple in structure, materials are common and easy to obtain in the market, secondary pollution is avoided, modular design facilitates transportation, assembly and subsequent maintenance, aeration is located under the floating island structure, and position adjustment is not affected.

The invention discloses a fry domestication and cultivation device, and relates to the technical field of aquaculture equipment. The device comprises a fishpond groove, a support structure, a detachable net cage structure, a feeding structure and a shielding structure, a V-shaped sewage collecting structure composed of a slope boss is arranged at the bottom of the fishpond groove, and residual feed and excrement are discharged in a concentrated mode in cooperation with a sewage pump; an aerator is arranged in the sewage collection area to improve the dissolved oxygen level of bottom water; the inner wall of the tank is provided with a flushing nozzle capable of adjusting the spraying direction and flow and used for simulating a natural water flow environment; the top shielding structure can be adjusted in a sliding mode and is matched with the spotlight to achieve illumination control. The device is reasonable in structure, high in function integration level, capable of effectively improving the water quality environment, reducing the fry stress response and improving the feeding domestication success rate and survival rate and suitable for multi-stage fry domestication and cultivation.

The invention discloses an adjustable phototropism test system, and belongs to the technical field of phototropism test.The adjustable phototropism test system comprises an optical test base and a culture water tank used for testing algae plants, and an adjustable spectrum light source is arranged above the culture water tank; an inner spacer ring, an outer spacer ring and an edge spacer ring which are used for separating a water area in the culture water cabin are fixed at the top end of the culture water cabin through a plurality of mounting seats. Through the arrangement of the light isolation plate and the deviation adjusting assembly, the angle of the light isolation plate can be precisely adjusted through a hydraulic system, three stable areas with different illumination intensities can be created in the culture water cabin, and the phenomenon that illumination in natural water is attenuated along with depth is simulated; researchers are allowed to research behaviors of the same seaweed under different light intensities at the same time or compare preferences of different seaweeds on the light intensities, meanwhile, shimmering of water surface is simulated through a reverse deflection mode, and physiological and behavior responses of the seaweeds under the more real and changing light environment of dynamic light are conveniently researched.