35results about How to "Suitable for growth" patented technology

The invention relates to the technical field of red mud treatment, in particular to artificial planting soil, a method for preparing the artificial planting soil from red mud and application of the artificial planting soil. Red mud is strongly alkaline and cannot be directly used as planting soil. The method comprises the following steps: curing red mud by using cement, preparing a porous light foam slurry from a mixed slurry by using a soil structure restorer, curing, crushing and granulating to obtain porous light artificial soil particles with strength, adjusting the pH value of the particles by using a phosphoric acid soaking method, and finally obtaining the artificial planting soil meeting the planting soil standard. Compared with traditional open-air stockpiling, the method has the advantages that the red mud can be effectively reutilized at low cost and prepared into the planting soil for plant growth.

The invention discloses a growth raw material of a silicon carbide crystal, a preparation method and application, the growth raw material of the silicon carbide crystal comprises a core layer, a first wrapping layer on the outer side of the core layer and a second wrapping layer on the outer side of the first wrapping layer, the core layer is silicon carbide, the first wrapping layer is silicon, and the second wrapping layer is silicon carbide. The growth raw material of the silicon carbide crystal is designed into a three-layer structure, so that the carbon-rich phenomenon of raw material decomposition can be effectively improved, and the defect of carbon wrapping in a prepared silicon carbide single crystal product is overcome.

The invention relates to a method for cultivating stropharia rugoso-annulata by using Ganmaoling traditional Chinese medicine residues, which comprises the steps of raw material preparation, raw material pile building, raw material pile turning, compost laying, punching and sowing, soil covering and grass covering, and fruiting management, in the raw material preparation process, the traditional Chinese medicine residues, lime and a fermentation agent are uniformly mixed, and the compost is prepared. The production cost is reduced, the cultivation process is simplified, and the fruiting yield and quality of the stropharia rugoso-annulata are improved.

The invention discloses equipment for growing silicon carbide single crystals by a PVT method. The equipment comprises a rack, a furnace chamber; the furnace chamber is arranged on the rack and has a thermal field structure; the thermal field structure is arranged in the furnace chamber; a heating structure; the heating structure surrounds the outer part of the furnace chamber; an air inlet structure; the air inlet structure comprises an air inlet, an air outlet and an air inlet channel, the air inlet is formed in the top of the furnace chamber, and the air inlet channel extends downwards from the air inlet and penetrates through the thermal field structure to the bottom of the furnace chamber; the thermal field structure has the beneficial effects that the structure is compact, the installation space of equipment can be saved, and meanwhile, after the size of the whole equipment is reduced, an operator can conveniently disassemble and assemble the thermal field structure to fill raw materials; according to the technical scheme, the heating structure is provided with the lifting assembly, and the lifting assembly can control the lifting of the main body coil according to the temperature distribution in the furnace chamber, so that the temperature in the furnace chamber is more stable and more uniform, and the heating structure is suitable for the growth of large-size silicon carbide single crystals.

The present invention discloses a cell-carrying microgel for ophthalmic injection and its preparation method and application, belonging to the field of biopharmaceutical technology. The cell-carrying microgel for ophthalmic injection comprises a double-network cross-linked gel microsphere constructed by cross-linking two or more polymer materials, the surface of the gel microsphere is coated with fibrin, and the surface of the fibrin is loaded with retinal pigment epithelial cells. The present invention uses the free radical polymerization reaction of GelMA / HAMA to photocross-link the microspheres, and after the surface is coated with fibrin, hESC-RPE cells are implanted. The obtained cell-carrying microgel realizes a new fundus cell transplantation strategy for minimally invasive injection of subretinal cavity.

The invention discloses a soil matrix prepared on the basis of pyrite slag, a preparation method of the soil matrix comprises the steps that the pyrite slag, hair and sulfuric acid are mixed together for pretreatment, and the weight ratio of the pyrite slag to the hair to the sulfuric acid is (5-10): (0.5-2): (5-10). Hydrolyzed protein obtained through hydrolysis is complexed with heavy metal in the iron sulfide slag, so that the heavy metal in the pyrite slag can be well removed, the content of the heavy metal in the pyrite slag is remarkably reduced, a soil matrix prepared from the pyrite slag is suitable for plant growth, and heavy metal pollution of soil is reduced.

The application discloses a planting method for improving tobacco quality, and the fertilization mode of the planting method is set as T3, or T4, or T5. The fertilization treatment is beneficial to tobacco plant growth, tobacco carbon and nitrogen metabolism, tobacco leaf quality, and improves tobacco leaf yield.

The application provides a method for treating municipal domestic sewage by using micro-nano bubble reinforced aerobic granular sludge, inoculates aerobic granular sludge which can simultaneously accumulate nitrous nitrogen and remove pollutants into a sequencing batch reactor, introduces municipal domestic sewage, carries out micro-nano bubble aeration, and operates the reactor in an anaerobic / aerobic / anoxic mode; the micro-nano bubble aeration controls the dissolved oxygen concentration at 2-3 mg / L, so that the self-enrichment and stable operation of anaerobic ammonia oxidation bacteria in the aerobic granular sludge are realized. The method utilizes the high oxygen mass transfer efficiency and long residence time of the micro-nano bubble, strengthens the pollutant conversion process in the system, and ensures a suitable anaerobic microenvironment for the anaerobic ammonia oxidation bacteria in the aerobic granular sludge; under the condition of treating municipal domestic sewage, the average concentrations of COD and ammonia nitrogen in the effluent are as low as 34.65 mg / L and 1.92 mg / L respectively, and the total nitrogen removal rate reaches 82.53%.

The utility model relates to experimental device technical field, concretely relates to a kind of paddy field soil remediation experimental device based on photosynthetic bacteria. Specific technical scheme is: including soil culture container, multiple partitions are horizontally and detachably arranged in the soil culture container, a plurality of small holes are arranged on the partition, filter screen is arranged on the partition and the inner bottom surface of soil culture container, a channel with one end opening is horizontally arranged in the partition, the top of the partition is provided with multiple through holes communicated with the channel, pipeline is inserted in the channel, the top surface of the pipeline is provided with multiple insertion holes, and corresponds with the through hole, diffusion tube is sequentially inserted into insertion hole and communicated by passing through filter screen and through hole, liquid inlet pipe is arranged outside soil culture container, liquid inlet pipe is communicated with pipeline, and liquid inlet pipe is communicated with bacteria liquid tank.The utility model can simulate paddy field ecological environment, provide suitable growth and metabolism conditions for photosynthetic bacteria, so as to systematically study the repair effect of photosynthetic bacteria on paddy field soil.

The utility model relates to the technical field of crab breeding, in particular to a crab breeding monitoring device which comprises a frame, a water tank is arranged in the frame, a breeding box is arranged on the water tank, a visual module matched with the breeding box is arranged on the frame, a controller is arranged on one side of the frame, a water tank is arranged in the frame, and the controller is connected with the water tank. The water inlet end and the water outlet end of the breeding box are both connected with the water tank, a movable frame is arranged on the frame, a mechanical arm is arranged on the movable frame, a driving structure is arranged on the frame, the driving structure is in power connection with the movable frame, life pictures of crabs are collected by arranging a visual module, remote monitoring is achieved, and the visual module is connected with the water tank. The water tank is connected with the water tank, circulating water flow is formed, water can be supplemented to the water tank in time, sewage in the water tank can be discharged, the bred crabs and the breeding box can be taken out through the mechanical arm, and the labor burden is reduced.

The invention discloses an electrostatic spinning fiber base membrane for water treatment, which comprises a composite polymer fiber matrix and keratin, and the keratin is attached to the fiber surface; the composite polymer fiber matrix comprises polybutylene terephthalate, hydrophilic modified polyester and polyvinyl alcohol; the hydrophilic modified polyester is prepared from polyester polyol containing a morpholinedione structure and terephthalic acid through esterification. By compounding hydrophilic modified polyester, polyvinyl alcohol and keratin, the porous structure of the fiber base membrane is optimized, the hydrophilic performance of the base membrane is improved, the decontamination effect is improved, meanwhile, the mechanical performance of the fiber base membrane is optimized, and the service life of the fiber base membrane is prolonged; cysteine is released through keratin hydrolysis, an electron donor is provided, the method is suitable for strain growth, and the sewage treatment effect is further improved.

The invention relates to the technical field of green buildings, in particular to a roof structure for a green building, which comprises a flat roof, a rotating table and a temperature control assembly. A green plant layer and a supporting frame are arranged on the flat roof, and a plurality of photovoltaic panels are installed on the supporting frame. The rotating table comprises a rotating part and a limiting part, the rotating part is installed between the supporting frame and the photovoltaic panel, the limiting part is installed on the side, close to the east, of the supporting frame, the limiting part is located at the horizontal position, and the limiting part is located on the rotating path of the photovoltaic panel. The temperature control assembly comprises a temperature sensing air bag and a driving part, the side, close to the photovoltaic panel, of the temperature sensing air bag is attached to the photovoltaic panel, the driving part is fixedly connected with the temperature sensing air bag, and the driving part is connected with the rotating part. The temperature sensing air bag is used for sensing the irradiation intensity of sunlight, so that the driving piece and the rotating piece are used for adjusting the angle of the photovoltaic panel, and the green plant layer obtains more suitable sunlight. The application has the effect of enabling the green plant layer to be more suitable for growth.

The invention discloses a multidimensional plant growth matrix material, and relates to the technical field of soilless cultivation. The multidimensional plant growth matrix material disclosed in the invention is a polyurethane foam matrix for soilless cultivation, and it is a mixture white material obtained by mixing bio-oil-based polyester / polyether polyol, amine catalyst, foam stabilizer, sodium secondary alkyl sulfonate and deionized water; organic modified diatomite and cross-linking agent are mixed into a premix; polyisocyanate is added to the mixture white material, stirred for 15-25s, then dioctyltin mercaptide and premix are added sequentially, stirring is continued for 5-8s, poured into a mold for curing for 2-4h, then warmed to 60-70°C for 3-8h. The preparation method of the matrix material provided by the invention is simple and easy to operate, and the raw material is environmentally friendly, so that the matrix material obtained is biodegradable, has excellent mechanical properties and compressive strength, and has high water absorption, high water retention rate and high porosity at the same time, has a higher cation exchange capacity, and is conducive to the growth of multidimensional plants.

This invention provides a slope protection material composed of recycled heavy metal tailings and its preparation method. The material includes: recycled heavy metal tailings treated with a heavy metal chelating agent as a heavy metal ion capture agent, the chelating agent being added at 0.05%–0.2% of the heavy metal tailings weight; recycled heavy metal tailings as aggregate, which is mixed with natural soil to form a base material at a ratio of 1:1.5–2.5; fine aggregate and fine sand, added at 5%–10% of the base material weight; and high-viscosity industrial-grade sodium alginate added as a water-retaining and reinforcing agent, added at 0.5%–2.0% of the base material weight. Additionally, 28% organic matter is added to the base material. The application of this invention effectively solves the problems of ineffective utilization of recycled heavy metal tailings and excessive use of scarce natural soil in existing technologies, and also addresses the issues of weak strength, poor effectiveness in steep slope treatment, and poor stability in existing slope protection materials.

The invention discloses a novel bacillus N3‑4 from saline-alkali soil and its application in improving the salt stress tolerance of plants, belonging to the field of microbial technology. The novel bacillus N3‑4 from saline-alkali soil is isolated from saline-alkali soil, is salt-alkali tolerant and can improve the salt stress tolerance of plants, and is preserved in the General Microbiological Center of the China Microbiological Culture Collection Administration, and is classified and named Neobacillus ginsengisoli , the deposit number is CGMCC No. 32574. The benefits of the present invention are: the novel Bacillus N3‑4 from ginseng soil has a high degree of salt-alkali tolerance and is suitable for growth and reproduction in saline-alkali land; it has the ability to degrade inorganic phosphorus and produce iron carriers, can improve the salt stress tolerance of plants (cucumber seedlings), can be applied to the cultivation of saline-alkali plants, and promote the comprehensive utilization of saline-alkali land.

The present invention provides a seedling medium suitable for tomatoes and a preparation method thereof, wherein the raw materials include renewable resources such as tail vegetables, sawdust, tree branches and leaves, cow dung and oyster shells. The steps are as follows: pre-treat some waste raw materials and mix them in a certain number, inoculate a bacterial agent to obtain a fermentation material, adjust the carbon-nitrogen ratio and pH of the fermentation material to suitable values, and then put it into a temperature-controlled molecular membrane aerobic fermentation tank for fermentation, add an appropriate amount of oyster shell particles after the fermentation is completed, and finally inoculate Bacillus to obtain a matrix suitable for tomato seedlings. The preparation method is green, environmentally friendly, low-cost, and highly sustainable. The tail vegetables are used as the main source of organic matter in the seedling medium, and the low-cost and easily accessible oyster shell powder is used as a supplementary source of mineral elements. The oyster shell particles replace vermiculite and perlite to achieve the air permeability and water retention of the matrix, thereby improving the physical and chemical properties of the matrix as a whole, optimizing and improving the seedling effect of the matrix and the fruit quality obtained by planting the seedlings.

This invention discloses a land-based circular pond ecological seedling cultivation system and method for giant freshwater prawns, belonging to the field of seedling cultivation technology. It includes steps such as stocking, water quality management, feeding management, pond transfer, and larval desalination. The system maintains a microalgae abundance of 10⁴-10⁷ cells / mL through microecological regulation, adds beneficial microecological agents, and purifies the water using a microfiltration machine, disinfection tank, and water purification tank. Feeding management is adjusted according to the larval growth stages: no feeding in stage I, mainly Artemia nauplii in stages II-VI, gradually increasing shrimp flakes in stages VII-XI, and feeding egg custard and shrimp flakes during the larval stage. Pond transfer is carried out when ammonia nitrogen ≥2 mg / L or nitrite ≥0.5 mg / L. Larval desalination is achieved by adding fresh water daily to reduce salinity to 3‰. This invention is suitable for large-scale seedling cultivation, significantly improving larval survival rate and growth rate, and is characterized by high efficiency and ecological sustainability. It can be widely applied to other aquaculture fields.

The invention relates to the technical field of butterfly orchid substrates, in particular to a butterfly orchid substrate and a preparation method thereof.The butterfly orchid substrate comprises a sphagna substrate, snake wood chips and charcoal particles, the volume ratio of the sphagna substrate of seedlings in butterfly orchid to the snake wood chips is 1: 1, and the volume ratio of the sphagna substrate of adult butterfly orchid to the charcoal particles to the snake wood chips is 2: 1: 1. The Phalaenopsis aphrodite matrix comprises Phalaenopsis aphrodite and one or more of bark, perlite or vermiculite, the snake sawdust is prepared by the following steps: drying cyathea aphrodite roots in the sun, crushing, removing and sterilizing at high temperature, the volume weight of the Phalaenopsis aphrodite matrix is 30.15-0.250 g / cm, the gas-water ratio is 1.95-2.15, the total porosity is 80-85%, the aeration porosity is 60-65%, the water-holding porosity is 25-30%, the pH value is 7-7.5, and the EC value is 350-400 uS / cm. According to the butterfly orchid substrate preparation device, the substrate in the container can be rapidly taken out for replacement, the beneficial effects that the substrate in a butterfly orchid potted plant is convenient to replace, and convenience is brought to work are achieved, and the practicability and convenience of the device are improved.

The invention belongs to the technical field of organic fertilizers, and particularly relates to an organic fertilizer based on hermetia illucens faeces and shells and a preparation process of the organic fertilizer. The organic fertilizer is prepared from, by mass, 30%-35% of alkane coupling agent modified diatomite loaded hermetia illucens fecula and shell, 60%-65% of plant straw, 1%-2% of microbial agent and 2%-5% of nitrogen phosphorus potassium salt, and the preparation method comprises the following steps that S1, diatomite and an alkane coupling agent are mixed to prepare alkane coupling agent modified diatomite; s2, fermenting, and fully mixing with the silane coupling agent modified diatomite to obtain silane coupling agent modified diatomite loaded hermetia illucens fecula and shell; s3, mixing the materials to obtain the organic fertilizer based on the black soldier fly feces and the larva shells. The black soldier fly feces and the black soldier fly shells are high-quality organic fertilizer raw materials and can be used as organic fertilizer for agricultural production, the effect of the fertilizer is greatly improved, and meanwhile, the efficient, economical and environment-friendly organic fertilizer can be provided.

The invention provides a rapid culture method of sulfur autotrophic denitrification bacteria. The rapid culture method comprises the following steps: S100, preparing an autotrophic denitrification filler; s200, inoculating the activated sludge into a reaction device; s300, adjusting reaction conditions; in S100, the autotrophic denitrification filler comprises reduced sulfur, nitrate nitrogen and sewage containing nitrate nitrogen; in terms of elemental sulfur, the concentration of the reduced sulfur content reaches 450 mg / L-550 mg / L, and in terms of nitrogen, the concentration of the nitrate nitrogen content reaches 200 mg / L-300 mg / L; in the step S300, adjusting the reaction conditions comprises the following steps: S310, adding a buffering agent into the reaction device, and adjusting the initial pH of the reaction; s320, the content of reduced sulfur and the content of nitrate nitrogen in the reaction device are detected every 1-2 hours, the detection result is the ratio of the content of reduced sulfur to the content of nitrate nitrogen, and an adjusting component is added into the reaction device according to the detection result. The technical problem to be solved by the invention is to accurately control the pH value of the reaction while solving the rapid culture of the sulfur autotrophic denitrifying bacteria, reduce unnecessary waste and realize reasonable utilization of resources.

The utility model discloses a citrus water and fertilizer applying device which comprises a liquid storage tank, a mixing mechanism, a conveying pipeline and a control module, a water inlet and a feeding hole are formed in the top of the liquid storage tank and are respectively used for introducing a water source and a fertilizer; a liquid outlet is formed in the bottom of the liquid storage tank and is used for outputting the mixed water and fertilizer solution; a mixing mechanism is mounted in the liquid storage tank and consists of a plurality of groups of stirring assemblies and radial dispersion rods, the stirring assemblies are responsible for mixing water and fertilizer, and the radial dispersion rods are mounted on the outer surfaces of the stirring assemblies and are used for ensuring the uniformity of a water and fertilizer solution; one end of the conveying pipeline is connected with the liquid outlet of the liquid storage tank, and the other end is connected with the sprinkler head to form a water-fertilizer solution conveying channel; a pH value sensor is arranged at the liquid outlet; the control module can adjust the output flow of the water-fertilizer mixed liquid to realize precise fertilization; in general, the integrated design simplifies the fertilization process, the operation convenience and efficiency are improved, and citrus planting is more modern and intelligent.

The invention relates to the technical field of cotton planting, in particular to a method suitable for planting cotton in medium-height saline-alkali soil in Xinjiang and application. The method comprises the following steps: (1) dividing the medium-height saline-alkali soil in Xinjiang into a planting area and a salt elimination area which are adjacent in sequence; the width of each planting area is 50-193cm, and the width of each salt elimination area is 40-65cm; (2) laying a drip irrigation tape on the planting area, and covering with a mulching film at the same time; before cotton is planted, a drip irrigation tape is used for dripping water in the planting area 2-4 times, and the water dripping amount each time is 15-32 cubic meters per mu; the time interval between two adjacent times of water dripping is 5-10 days; (3) after the last time of water dripping is completed for 5-10 days, punching holes penetrating through the mulching film, and sowing cotton seeds in the holes. According to the method, ridging is not needed, the drip irrigation belts are laid on the flat ground, the mulching film is covered, and 1-4 drip irrigation belts are laid under the mulching film, so that the emergence rate of the cotton in the medium-high saline-alkali soil can be increased, and the yield of the cotton is increased.

The present application relates to the technical field of smart home appliances, and discloses a method for home appliance control, including: obtaining the current feeding parameters of a fish tank, the current cultivation information of a plant, and the current environmental parameters of the space where the fish tank and the plant are located; when the current feeding parameters do not match the preset feeding parameters, determine the first target home appliance and its first operating parameters for adjusting the current feeding parameters according to the preset feeding parameters and the current environmental parameters, and control the first target home appliance to operate under the first operating parameters; when the current cultivation information does not match the preset cultivation information, determine the second target home appliance and its second operating parameters for adjusting the current cultivation information according to the current cultivation information, the preset cultivation information, and the current feeding parameters, and control the second target home appliance to operate under the second operating parameters. In this way, the growth environment of plants and ornamental fish can be regulated to ensure the physiological state of both. The present application also discloses a device for home appliance control and a smart home appliance.

The invention relates to the technical field of chrysomyia megacephala extraction, in particular to a chrysomyia megacephala culture medium and a chrysomyia megacephala polypeptide extraction method, and the chrysomyia megacephala culture medium comprises wheat bran, brown sugar, meat meal, egg white, yeast powder, sodium chloride and water. According to the chrysomyia megacephala culture medium and the chrysomyia megacephala polypeptide extraction method, the culture medium is simple in component, low in cost, reasonable in nutrition collocation and suitable for chrysomyia megacephala growth, and chrysomyia megacephala cultured through the culture medium and treated through the method is full in polypide body, free of residues in the body, golden yellow in color and luster, free of fishy smell and free of toxic and side effects. The quality of a chrysomyia megacephala dry product is excellent, and the chrysomyia megacephala polypeptide extraction amount is remarkably increased through the culture medium and the method.

The present invention provides a method for obtaining a high-quality product. The present invention relates to a tank for use in a purification apparatus, the tank being at least one of a crystallization tank that forms a slurry containing crystals of a compound or a ripening tank that is capable of keeping crystals of a compound suspended in the ripening tank, the tank including: an agitator; and a baffle for generating an upward flow from a swirling flow, the tank being capable of forming a supernatant part consisting of a supernatant and a suspension part where the crystals of a compound are suspended.

The utility model relates to an intelligent seedbed with automatic heating, heat preservation and water replenishing functions, which comprises a seedbed body, an electric heating wire heating system and a plurality of heat preservation layers, the seedbed body comprises a bottom plate and side plates arranged around the bottom plate, and a push-pull panel is arranged at a top end port of the seedbed body; the electric heating wire heating system comprises a heating steel wire net, and the heating steel wire net is arranged in a bottom plate or / and side plates of the seedbed body; the heat preservation layers are laid in the side plates on the periphery of the seedbed body and the push-pull panel respectively, when the heating steel wire mesh is powered on, the interior of the seedbed body is heated, and meanwhile heat loss is reduced through the heat preservation layers above seedlings and around the seedlings. According to the intelligent seedbed with the automatic heating, heat preservation and water supplementing functions, heating is achieved, the heat preservation effect is guaranteed, and the problem that existing seedbed seedling raising is insufficient in heat preservation and heating is solved.