423 results about "Photosynthesis" patented technology

The invention belongs to the technical field of carbon sink evaluation, and discloses a typical weather-oriented tea garden carbon sink dynamic profit and loss evaluation method and system. Historical meteorological information and historical carbon sink monitoring information of the tea garden are collected, and a typical weather type library of the tea garden is constructed; determining a typical weather type corresponding to the current day of the tea garden, and calculating a carbon sink fixed amount and a carbon sink output amount of the tea garden; generating a correction factor for correction according to the management activity information of the tea garden to obtain a net carbon sink value; generating a total score based on comprehensive analysis of the net carbon sink value, and evaluating the carbon sink profit and loss condition of the tea garden; the carbon sink meteorological influence parameters before and after the monitoring time point are collected for comprehensive analysis to calculate the carbon sink fixed quantity and the carbon sink output quantity, calculation deviation caused by parameter fluctuation at a single time point can be avoided, and therefore the method better fits the continuous physiological process of photosynthesis / respiration of the tea trees, and the detection accuracy is improved. And the calculation result of the carbon sink fixed quantity / output quantity is closer to the actual condition.

The invention belongs to the technical field of catalysts, and particularly relates to a metal-covalent organic framework photocatalyst for photocatalytic CO2 reduction as well as a preparation method and application of the metal-covalent organic framework photocatalyst. According to the invention, a novel covalent organic framework material with symmetrical metal ion coordination is firstly synthesized, and the covalent organic framework material is found to have obviously higher performance for photocatalytic CO2 reduction compared with a single COF (Covalent Organic Framework). The invention further designs and synthesizes a covalent organic framework material with asymmetric metal ion coordination, and finds that the photocatalytic CO2 reduction performance of the covalent organic framework material is far better than that of a covalent organic framework material with symmetric coordination, so that an original solution can be provided for designing a new generation of high-performance and low-cost artificial photosynthesis catalyst.

The invention discloses oyster shell-starch sludge carbon quantum dots and application thereof as a pepper growth promoter, and belongs to the technical field of organic fertilizers, soil improvement and waste utilization. Comprising the following steps: crushing oyster shells, mixing the crushed oyster shells with starch sludge, performing hydrothermal reaction, centrifuging, taking supernate, dialyzing, freezing and drying. The promoter can be used for enhancing photosynthesis of pepper leaves, promoting growth and yield increase of pepper in saline-alkali soil, and can be used as a promoter for growth and yield increase of pepper in saline-alkali soil. The plant height, stem diameter, leaf length, leaf width and fresh weight of the pepper treated by the oyster shell starch sludge carbon quantum dots are obviously improved. The maximum quantum yield, the actual photosynthesis efficiency, the absolute electron conductivity and the non-photochemical quenching coefficient of pepper plants can be obviously improved. The plant height, stem diameter, leaf area and single plant yield of pepper plants can be obviously improved when the fertilizer is applied to the field. After the calcium-doped carbon quantum dots are treated, the growth and development of the saline-alkali soil peppers are promoted, the photosynthesis of the saline-alkali soil peppers is promoted, and the yield of the peppers is increased.

The invention relates to the technical field of fertilizers, in particular to charcoal-based nano-selenium as well as a preparation method and application thereof. The preparation method comprises the following steps: putting biochar into a selenium source solution, and adsorbing to obtain biochar adsorbed selenium; and mixing the biochar adsorbed selenium with a reducing agent, and carrying out a reduction reaction under a dark condition to obtain the biochar-based nano-selenium. Biochar is used as a carrier, sodium selenate is used as a selenium source, glucose is used as a reducing agent, and Se < 4 + > adsorbed on the surface of the biochar is reduced into Se < 0 >, so that the novel biochar-based nano-selenium fertilizer is prepared. The biochar-loaded nano-selenium fertilizer can synergistically improve the tomato yield and nutritional quality through multiple mechanisms of enhancing photosynthesis, promoting growth, efficiently enriching selenium elements and the like, and provides a reliable technical approach for developing efficient selenium fertilizers and producing selenium-enriched agricultural products.

The utility model discloses a grape planting device, which belongs to the technical field of plant planting and comprises a support structure arranged around grape plants. The light-transmitting film is arranged on the bracket structure; the top structure comprises a water leakage opening capable of being closed, a water dripping guiding assembly, a water collecting assembly and a linkage assembly, the water collecting assembly is connected with the linkage assembly, the linkage assembly is connected with the water leakage opening, and the water dripping guiding assembly is arranged on the inner side of the top structure. The support structure arranged around the grape plants is simple in structure, reasonable in cost and convenient to disassemble and reuse; the light-transmitting film arranged on the support structure can meet the photosynthesis requirement; the top structure comprises a water leakage opening capable of being closed, a water dripping guiding assembly, a water collecting assembly and a linkage assembly, the water collecting assembly is connected with the linkage assembly, the linkage assembly is connected with the water leakage opening, the water dripping guiding assembly is arranged on the inner side of the top structure, part of rainwater can be guided to drip into the grapes, and the purpose of controlled water supplementing is achieved.

Systems and methods for developing and applying photosynthetic cellular substances to a human or animal for medical, therapeutic or cosmetic uses are provided. Photosynthetic cells, such as algal cells, can be used in these substances to provide the ability to continuously generate oxygen when exposed to a light source or other oxygen-generating trigger. The substances can be developed as a standalone liquid, gel or cream, or embedded within a bandage, mesh, scaffold or other structure with a light source to promote oxygen production. The substances can be applied topically for medical, therapeutic or cosmetic treatments, or injected internally for generation of oxygen within one or more parts of the body.

The invention discloses a three-color composite mulching film and a preparation method thereof. The three-color composite mulching film comprises a transparent bottom layer, a middle black layer, a surface silver layer and a transparent layer located in the middle of the film. The transparent bottom layer has hydrophilicity, and does not form dewdrops on the surface of the film layer to reflect sunlight, so that the light transmittance of the mulching film is effectively increased, and the ground temperature and the soil energy storage are improved. And the middle black layer can efficiently block light rays and can effectively inhibit growth of various weeds. The surface silver layer can highly reflect sunlight, can improve photosynthesis of bottom leaves of crops, and can avoid aphids at the same time.

The invention provides a novel mudflat efficient photovoltaic breeding system. The novel mudflat efficient photovoltaic breeding system comprises an arc-shaped ditch bottom, a side ditch, a pool wall, floating objects, a duckweed growth layer, a photovoltaic panel frame, a photovoltaic panel, a pipeline, a control box, a photovoltaic panel support, a first-layer annular pillar lamp, a second-layer annular pillar lamp, a third-layer annular pillar lamp, a fourth-layer annular pillar lamp, a bottom table top and a sponge sleeve. The floating objects comprise phytoplankton and zooplankton, a storage battery, a control panel and a photoelectric detection device are arranged in the control box, the arc-shaped ditch bottom, the side ditch, the pond bottom, the pond wall and the bottom table top form a pond body mechanism facilitating fish gathering and fish lifting, and the photovoltaic panel support, the photovoltaic panel frame, the photovoltaic panel, the control box, the storage battery in the box and the control panel form a photovoltaic mechanism of the fishpond. The first-layer annular pillar lamp, the second-layer annular pillar lamp, the third-layer annular pillar lamp and the fourth-layer annular pillar lamp form a light supplementing mechanism beneficial to photosynthesis, namely growth of phytoplankton, growth of the phytoplankton is beneficial to growth of zooplankton, and growth of fishes is beneficial to growth of the zooplankton.

The invention relates to the field of novel energy conversion, and provides a construction method of an electrochemical device simulating artificial photosynthesis. Comprising the following steps: treating foamed nickel through a FeCl3 solution under the conditions of different concentrations and soaking durations, preparing an iron / nickel-based anode catalyst to separate out oxygen, and selecting foamed copper as a cathode catalyst to reduce carbon dioxide; the solar cell panel is used for converting light energy into electric energy to drive electro-catalytic reaction. According to the construction method of the electrochemical device simulating artificial photosynthesis, the solar panel is used for supplying power, and CO2 reduction reaction is catalyzed while water is electrolyzed. The equipment simulates artificial photosynthesis to realize conversion of water and CO2 into clean energy and low-carbon chemicals. By adopting a mode of combining solar power supply with electro-catalysis, the problems of low efficiency and poor stability of traditional photocatalysis are solved, and the cost of an existing electrochemical catalysis oxygen evolution reaction catalyst is reduced.

The application discloses a kind of based on selective spectral regulation agricultural photoelectric conversion film synthesis method and application, belong to the cross field of agricultural technology and new energy.It is quantum dot as core spectral selective absorption material in the synthesis method, by the standardization steps of substrate pretreatment, transparent electrode preparation, photoelectric conversion layer coating, quantum dot layer integration, back electrode evaporation and packaging, the functional film comprising "substrate-transparent electrode-photoelectric conversion layer-quantum dot spectral selective absorption layer-back electrode" is prepared.The quantum dot layer can efficiently absorb the ultraviolet light, green light and near-infrared light with low photosynthesis utilization rate of plant, and energy is transferred to photoelectric conversion layer to realize power generation;At the same time, the transmittance of blue light and red light necessary for plants is greater than or equal to 85%.The synthesis process of the application has strong compatibility and high repeatability, solves the contradiction between power generation and planting in traditional "agri-photovoltaic", realizes light energy hierarchical utilization and agri-photovoltaic synergy, and can be widely applied to greenhouse, greenhouse, plant factory and other agricultural facilities cover.

The invention discloses a method and system for treating neutral high-calcium wastewater through combination of an MICP technology and chemical precipitation, and relates to the technical field of wastewater treatment. The method comprises the following steps: S1, inoculating a bacterial liquid containing synechocystis into neutral high-calcium wastewater; s2, under the daytime illumination condition, calcium ions in the wastewater are induced to form calcium carbonate precipitates through photosynthesis of synechocystis, and primary calcium removal is carried out; s3, under the dark condition at night, phosphate is added in batches by means of extracellular polymeric substances secreted by synechocystis, residual calcium ions in the wastewater are induced to form calcium phosphate or hydroxyapatite precipitates, and deep calcium removal is carried out. The day and night alternate metabolism characteristic of synechocystis is applied to neutral high-calcium wastewater treatment, so that efficient decalcification under a neutral condition can be realized, and stable water quality and controllable precipitation are considered. The open pond type reactor is adopted, so that water can stand and settle, mechanical stirring or temperature control equipment is not needed, and the operation cost is reduced.

The application discloses an openable light shield for an open device or a pool liquid surface and an application method thereof, wherein the light shield comprises a light shield frame, blades are arranged on the light shield frame, the blades are movably arranged on the light shield frame through pivots, the blades are connected with push rod mechanisms, the push rod mechanisms are connected with worm gear operating mechanisms, the push rod mechanisms drive the blades to open and close on the light shield frame through the worm gear operating mechanisms. The application provides a convenient, flexible and firm light shielding facility, which can not only prevent algae in a pool from growing and breeding on fillers or components in the pool through photosynthesis, but also can be conveniently opened at any time to observe the operation condition in the pool, so that operation parameters of the facility can be adjusted and maintenance plans can be determined; meanwhile, the blades of the light shield can be quickly disassembled to facilitate replacement of components and invalid fillers in the pool, and the light shield also has the ability to resist strong wind, heavy rain and snow.

The invention belongs to the technical field of biomedical materials, and relates to an ultrasonic-induced inorganic afterglow luminescent material for promoting tissue and organ defect repair and a preparation method and application thereof, the preparation method comprises the following steps: S1, dispersing an afterglow luminescent material and citric acid in an aqueous solution to obtain a hydrothermal reaction precursor solution; s2, adding a titanium oxide-based material into the precursor solution provided in S1, and carrying out a hydrothermal reaction in a reaction kettle to obtain a titanium oxide-based luminescent material loaded with an afterglow material; wherein the afterglow material is one or more of an aluminate-based afterglow luminescent material and a titanate afterglow luminescent material. Compared with the prior art, the prepared ultrasonic-induced inorganic afterglow luminescent material is formed by compounding titanium oxide and an afterglow material, and afterglow luminescence can be generated under ultrasonic excitation. Microalgae with photosynthesis are loaded, oxygen is supplied to the hypoxic bone defect part through ultrasonic regulation and control, revascularization is promoted, and efficient repair of bone defects is achieved.

The invention provides a nutrient solution formula. The nutrient solution formula comprises organic nitrogen, organic phosphorus, organic potassium, active calcium, quick-acting sulfur, magnesium, zinc, selenium, ferrous sulfate, organic silicon, expanded fertilizer, mineral source humic acid, chitin, live bacterial fertilizer, boric acid, manganese sulfate, zinc sulfate heptahydrate, ammonium molybdate, copper sulfate heptahydrate, disodium iron ethylenediaminetetraacetate, citric acid and water. According to the nutrient solution formula and the preparation system thereof provided by the invention, microelements are added into the formula, so that the nutrient requirements of vegetables during growth are met, the growth of the vegetables is promoted, and meanwhile, citric acid is added, so that the nutrient solution is stable in property, and the effectiveness of the nutrient solution can be kept in a relatively long period; the physiological acid-base reaction caused in the nutrient solution absorption process of the leaf vegetables can be kept stable, the activity of the root system is improved through high water-soluble phosphorus in the formula, the photosynthesis is improved through the magnesium element, long-acting biological sulfur is provided, and continuous energy supply is provided.

The invention belongs to the technical field of water-soluble fertilizer preparation, and particularly relates to a water-soluble biochar base fertilizer, which is prepared from the following raw materials in parts by mass: 30 to 40 parts of composite modified biochar, 15 to 20 parts of urea, 10 to 20 parts of potassium nitrate, 10 to 15 parts of sodium borate, 2 to 5 parts of copper sulfate, 0.5 to 1 part of zinc sulfate and 0.5 to 1 part of microbial agent. The surface of the biochar contains more oxygen-containing functional groups due to the excellent porous adsorption structure of the biochar, so that soil adsorbs a large number of positive ions, the cell biological permeability is improved, the photosynthesis of plants is enhanced, the nutrient and moisture absorption capacity of plant root systems is enhanced, and the yield and income of food crops and commercial crops are increased by matching with other nutritional ingredients.

This invention provides an image forming module and projector that can achieve a desired color balance while suppressing the complexity of control. [Solution] The image forming module of the present invention comprises a first light source that emits first light, a second light source that emits second light, a first illumination optical system that generates first illumination light from the first light, a second illumination optical system that generates second illumination light from the second light, a first light modulator that modulates the first illumination light, a second light modulator that modulates the second illumination light, a photosynthesis element, and a control device. The first illumination optical system has a first light guide element that homogenizes the first light and a first parallelizing element that parallelizes the first light. The second illumination optical system has a second light guide element that homogenizes the second light and a second parallelizing element that parallelizes the second light. The control device applies the same current value to the first light source and the second light source, and the light utilization efficiencies of the first illumination optical system and the second illumination optical system are different so that the synthesized light has a desired color balance.

The present invention relates to the field of general plant biotechnology and gene editing. In particular, the present invention relates to the generation of diallelic mutant forms of the OsCKX2 (LOCOs01g10110) gene in plants and their use in providing increased 20%-35% grain yield and finer grains, stronger stems, early flowering and maturation, complete heading, improved water and nutrient utilization efficiency, improved photosynthesis and enhanced seedling vigor. The invention also relates to a method for generating the diallele mutation form of the gene OsCKX2 (LOCOs01g10110) in a plant.

The invention relates to the technical field of biology, in particular to a method for regulating and controlling plant sodium ion homeostasis and salt tolerance by a light-operated pump, which comprises the following steps: constructing systems of rhodopsin light-sensitive pumps KR2-T1.0, KR2-T2.0, KR2-T3.0 and KR2-T4.0 with different cell membrane localization and membrane loading efficiencies through gene optimization, connecting the systems with a retinaldehyde production gene Ret, then inserting into a plant expression vector pCAMBIA3300, and carrying out photosynthesis to obtain the plant sodium ion homeostasis and salt tolerance control plant sodium ion homeostasis and salt tolerance control plant sodium ion homeostasis and salt tolerance control plant sodium ion homeostasis and salt tolerance control plant sodium ion homeostasis and salt tolerance control plant sodium ion homeostasis. Transient expression of nicotiana benthamiana and stable expression of rape are achieved through agrobacterium tumefaciens mediation, the pump is activated through irradiation of green light of 530 nm + / -5 nm, active excretion in plant cells is driven, and accurate, dynamic and reversible regulation and control of the sodium ion steady state are achieved. According to the method, the technical bottlenecks that KR2 is poor in plant cell membrane localization and low in membrane loading efficiency are broken through, gradient regulation and control of efflux efficiency are achieved, the method is high in response speed, light energy serves as power, cell ATP is not depended on, exogenous chemical intervention is avoided, and the plant salt tolerance can be remarkably improved.

The application discloses a meteorite powder and meteorite water-based target herbal medicine quality improvement and yield increase and anticancer activity strengthening method, which comprises the following steps: S1, meteorite powder preparation; S2, meteorite water preparation; S3, meteorite powder seed dressing; S4, meteorite water irrigation; and S5, meteorite water foliar spraying. The application relates to the technical field of Chinese herbal medicine cultivation and functional agriculture, and the anticancer activity component is greatly improved: the trace elements in the meteorite activate the key enzyme activity in the plant body, promote the biosynthesis of the anticancer activity component, and the content is higher than that in conventional cultivation. The unit yield is significantly increased: balanced mineral nutrition promotes root development and photosynthesis. The trace elements are balanced and enriched: the content of the constant elements and the content of the anticancer functional trace elements are obviously improved, and the element distribution is uniform. The quality of the Chinese herbal medicine is comprehensively optimized: there is no chemical residue, the stress resistance is enhanced, the rate of abnormal plants is reduced, the appearance and the internal quality of the medicinal materials are synchronously improved, and the shelf life is prolonged.

The present application relates to a kind of bacteria-algae particle circulating treatment sewage resource treatment equipment and its process, belong to sewage treatment technical field, including processing box, the inner wall of the processing box is respectively fixedly installed for separating first partition and second partition, and the inner wall of processing box is fixedly installed anaerobic tank in first partition side, and the inner wall of processing box is fixedly installed between first partition and second partition and is provided with decomposition tank, the inner wall of processing box is located in the side of second partition and is equipped with sedimentation component, the efficiency of the present application is optimized photosynthesis, and equipment can utilize the carbon dioxide generated by anaerobic, provide necessary demand for algal bacteria photosynthesis, and equipment is equipped with solar lamp lighting structure, can provide the light needed for photosynthesis inside, to avoid the problem that traditional algal bacteria will be affected by self-shading effect when treating sewage, guarantee the good removal effect of organic matter, nitrogen, phosphorus and other pollutants in sewage.

The invention discloses a method and a device for stimulating growth of oat seeds by steam jet negative corona discharge, after steam passes through an electric field, the oat seeds are stimulated by the steam jet negative corona discharge, the discharge intensity is controlled by selecting different discharge time, the oat seeds are treated, and the treated seeds are planted. The germination, growth and harvesting processes of the oat seeds are studied, and changes of components, structures and functional characteristics of mature oat powder are discussed; results show that the low-intensity (5 min) treatment significantly improves the crude protein content of the oats, reduces the total starch content, promotes the photosynthesis and plant growth of oat plants, increases the number of grains, increases the ordering degree and stability of the oat powder, and is beneficial to forming a colloid system which is rich in water and stable in structure. The invention proves that an oat product with high protein and low starch content can be obtained through proper steam jet negative corona discharge treatment, the microstructure is more ordered, and the gelatinization performance of the oat can be obviously improved.

This invention relates to a system that purifies and improves air quality by utilizing a microalgal bioreactor with integrated LED lighting to absorb pollutants, eliminate pathogens, and release oxygen-enriched air, while providing a sustainable and scalable solution to address environmental and public health challenges. The system includes a column (1) containing water and microalgae that produces oxygen by absorbing pollutant gases and pathogens from the air, a lighting system (2) consisting of a plurality of LEDs positioned in the column (1), providing the light source for the photosynthesis of microalgae, a pump (3) configured to suck air from the surrounding environment and introduce it into the column where the air bubbles come into direct contact with the microalgae, a photocatalytic filtration system (4) placed at the air inlet, configured to remove particulates, viruses, bacteria and other impurities before the air is treated in the column (1), a two-phase separator (5) configured to collect the microalgal biomass produced, separating part of the process water and reintroducing it into the internal cycle of the column (1), a control panel (8) that monitors microalgae concentration, water quality and pH, and photosynthetic process efficiency.

This invention discloses a device for regulating oxygen content in a photophytic aquatic body, comprising a culture tube equipped with a light source assembly, a pneumatic piston assembly at the bottom of the culture tube including a dual-function air pump for charging and suction, and a piston plate slidably disposed inside the culture tube; an air box at the top of the culture tube, equipped with a carbon dioxide introduction mechanism and an oxygen removal mechanism. The piston plate reciprocates to circulate the algal solution, facilitating the transfer of oxygen produced by microalgae photosynthesis into the air box. When the oxygen concentration in the air box exceeds a set value, the piston plate automatically accelerates its movement. This accelerated movement of the piston plate also triggers the oxygen removal mechanism to expel the oxygen produced in the air box more quickly, thus regulating the oxygen content and preventing excessive oxygen consumption and carbon dioxide production caused by excessively high oxygen-to-gas mixture concentrations in the air box.

This invention related to photobioreactor providing a modular, scalable, and sustainable system for efficient microalgae cultivation, addressing diverse applications such as biomass production, environmental remediation, and bio-compound extraction. This system includes; a body constructed within a standard 20-foot corten steel, an airtight chamber which occupies approximately three-quarters of the body's internal volume for 10 containing the freshwater or saltwater needed for microalgae cultivation, a lightning system (3) including a plurality of LEDs which are programmable and adjustable in both intensity and duration, allowing precise management of lighting conditions to optimize microalgal growth, which is installed on the body ceilin an aeration and mixing system that providing CO2 for photosynthesis from air by a compressor (1) and 15 mixing the biomass within the chamber, a feeding system (4) ensuring a continuous and controlled supply of essential nutrients to the microalgal culture, a photocatalytic filter (2) purifying contaminants in air before being injected into the reactor, a control unit (5) that monitors and manages all key operating parameters of the photobioreactor in real- time, such as pH, temperature, CO₂, and nutrient concentration, photovoltaic panels 20 providing electrical energy for reactor, which is mounted outside of body and a filter (8) that filters contaminants in the water which is sent by a pump.

Page 1 of 1 Summary of the invention. The current invention involves a composite polymer element. a) Bi- or multimodal LLDPE b) Compounds according to the following formula (I): chemical formula where Each group of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 was selected independently from... Hydrogen and C1 to C10 groups, hydrocarbil; In this way, two groups from R3 to R10, located on adjacent carbon atoms, can be fused together. To form a cyclic hydrocarbilization structure; M was selected from a group consisting of calcium, strontium, lithium, zinc, magnesium, and... Monobasic aluminum; n is 1 or 2; z is 1 or 2; The sum of n+z is 3. Films made from such materials utilize polymer components that are bi- or multi-molecule. LLDPE, which is crystallized for agricultural film applications and the use of the compounds mentioned. The above is for increasing the spherical PAR transmittance of the film and / or reducing the F-scatter value. For use on films and / or for reducing film turbidity.

This utility model discloses a device for suppressing weeds in tea gardens, including tea tree planting strips, shading strips, and a set of symmetrically arranged shading components. The shading strips are arranged between the tea tree planting strips, forming strip-shaped areas that are parallel to and alternate with the tea tree planting strips. The shading components include a support frame and a holding frame. The bottom of the support frame is fixed in the soil by anchor rods, and the top of the support frame is connected to the holding frame by hinges. The top surface of the holding frame is covered with a shading net. This utility model uses shading components to cover the weed growth area, thereby controlling light and blocking the photosynthesis of weeds to suppress weed growth. At the same time, the shading strips are used to further suppress weeds. The structural configuration of the shading strips suppresses the growth of weeds in the area below and adjacent to them by physically blocking light.

The invention discloses intelligent feed processing feeding equipment capable of reducing air pollution, and relates to the technical field of feed production, the intelligent feed processing feeding equipment comprises a transmission mechanism, the transmission mechanism is mounted on one side of a fermentation tank, the fermentation tank is filled with silage raw materials, the silage raw materials are subjected to fermentation treatment in the fermentation tank, and the transmission mechanism is mounted on the other side of the fermentation tank; carbohydrates in the raw materials are decomposed through microorganisms, silage raw material fermentation products are used as feed, the feed is put onto the transmission mechanism from the fermentation tank and conveyed through the transmission mechanism, and the top end of the fermentation tank is communicated with a conveying pipeline. Carbon dioxide generated by silage fermentation is collected through the conveying pipeline and directionally conveyed to the algae culture plate through the ventilation shell, the carbon dioxide is converted into organic matter through algae photosynthesis, the carbon dioxide recovery rate is increased, and it is avoided that the carbon dioxide is directly discharged to pollute the atmosphere; meanwhile, the equipment is closed in the whole process and is matched with terminal dust removal treatment, the dust emission concentration is reduced, unorganized emission is greatly reduced, and the environment-friendly requirement is met.

The present application relates to the field of aquaculture, and more particularly to a multi-nutrient level aquaculture system, comprising a breeding tank, a breeding platform and a partition plate; the breeding tank is fixedly connected with the partition plate; the upper part of the breeding tank is connected with the breeding platform; the present application realizes the interception of residual fish manure and fish food by the interception net in the third breeding area, greatly increases the organic matter content in the third breeding area, and enables the aquatic plants to better absorb the nutrients in the water; at the same time, the aquatic plants can also absorb carbon dioxide in the water through photosynthesis and release oxygen, thereby improving the water quality; and the mesh size of the interception net gradually decreases from front to back, thereby intercepting different sizes of organic impurities in the water, avoiding the concentration of organic impurities in the water in the area where the first filter screen is located when only a single filter screen or multiple filter screens with the same mesh size are arranged, and causing the uneven distribution of organic impurities in the third breeding area, thereby affecting the absorption of nutrients by the aquatic plants.

The invention provides an artificial bionic leaf carbon sequestration and oxygen production device which comprises an artificial leaf plate system, a microalgae-containing organism culture system is arranged in the artificial leaf plate system, and the artificial leaf plate system is connected with a culture solution conveying system and an oxygen collection system; microalgae is used as an air purification carrier, carbon dioxide is fixed and oxygen is generated by utilizing the photosynthesis effect, and meanwhile, carbon-containing energy is generated through conversion. The common effects of purifying air, delaying global warming and collecting energy materials are achieved to a certain extent, and meanwhile cross compensation and common combination of the textile collar material field, the biological field, the environmental engineering field and the energy field are promoted.

This invention discloses a stress-resistant and yield-increasing plant growth regulator, its preparation method, and its application, belonging to the field of plant growth regulators. The stress-resistant and yield-increasing plant growth regulator of this invention comprises the following raw materials: *Suaeda salsa* extract, a stress-resistant biostimulant, propionyl brassinolide, styracil, polyaspartic acid, γ-aminobutyric acid, emulsifier, penetrant, co-emulsifier, pH buffer, and deionized water; wherein the stress-resistant biostimulant is perilla lactone. This invention significantly improves the tolerance of wheat to salt-alkali stress by strengthening the antioxidant system and osmotic regulation capacity, ensuring its basic survival and normal physiological functions; and effectively reverses stress-induced growth inhibition through mechanisms such as promoting root development, enhancing photosynthesis, and driving product translocation to grains, thereby achieving a significant yield increase under adverse conditions.