34results about How to "Improve exchange capacity" patented technology

The invention provides a water treatment composition with defluorination and flocculation functions, and belongs to the technical field of sewage treatment. According to the technical scheme, aluminum polychlorid is taken as a core component, and a composition formula for improving the defluorination and flocculation effects is constructed around the aluminum polychlorid. Specifically, a small amount of polysilicate aluminum ferric is added to cooperate with polyaluminum chloride, and sodium methyl silicate and sodium pyrophosphate are added, so that the dispersity of the composition in sewage is improved; on the basis, chitosan and sodium vinylsulfonate are added, so that certain adsorption and flocculation effects are achieved. Meanwhile, sodium hyaluronate is used as a thickening agent to enhance the substance exchange between the water treatment composition and a solute, and the attapulgite and the shell powder are used to increase the contact area, so that the complexing action and the ion exchange action of the polyaluminum chloride on fluorine ions are remarkably improved. Compared with a single component of polyaluminum chloride, the invention not only improves the removal efficiency of fluorine ions, but also improves the flocculation effect, and has the technical advantages of quick response, good treatment effect and the like.

The invention relates to the technical field of glass, in particular to a chemical strengthening method of flexible glass and the chemically strengthened flexible glass. The chemical strengthening method of the flexible glass comprises the following steps: pretreating the flexible glass to obtain pretreated flexible glass; the pretreated flexible glass is preheated, and preheated flexible glass is obtained; the preheated flexible glass is placed in chemical strengthening pure sodium molten salt to be subjected to chemical strengthening treatment and then cooled, and chemically strengthened flexible glass is obtained; the pretreatment comprises the following steps: carrying out ultrasonic treatment on the flexible glass in a sodium hydroxide alkaline solution with the concentration of 4-12mol / L; the flexible glass comprises the following raw materials in percentage by mole: 0-3% of Na2O and 8-10% of Li2O. The strength of the flexible glass can be effectively improved, and damage of stress concentration to the surface of the glass can be overcome; the chemically strengthened flexible glass shows excellent performance in bending strength, drop pen impact, 300,000 times of static bending and the like.

The utility model discloses a moistureproof sealed type automobile charging pile which comprises a charging pile cabinet, a heat exchange assembly, a fan and an air distribution seat, the heat exchange assembly comprises a heat exchange flow channel box, a heat exchange block and a drying box, and the upper end and the lower end of the heat exchange flow channel box are provided with an air inlet guide pipe and an air outlet guide pipe which are communicated with an inner cavity of the charging pile cabinet respectively. The end of the air outlet guide pipe is communicated with an inner cavity of the charging pile cabinet through an air distribution seat, and blowing fans are arranged on the inner side of the air distribution seat and fixedly installed on the two sides of the heat exchange assembly. According to the utility model, the design of the moistureproof sealing type charging pile cabinet is adopted, external moist air, dust and other impurities are effectively prevented from entering the charging pile cabinet, electrical equipment and circuits in the charging pile cabinet are protected from being influenced by the moist environment, and the independent heat exchange assembly structure carries out internal and external airflow shunting motion; and heat conduction and heat exchange are carried out in the heat exchange block, the temperature of internal circulation airflow is reduced, low-temperature operation of electrical equipment in the charging pile cabinet is guaranteed, and the stability and reliability of the charging pile are improved.

The utility model relates to sewage treatment field especially, it is a kind of single tower low pressure stripping device for sewage treatment, including support frame, shell, gas outlet, sewage inlet, battens and gas outlet component etc., support frame is connected with shell, shell upside is connected with gas outlet, shell upper portion left side is connected with sewage inlet, shell middle part inboard is connected with multiple battens, support frame lower part is equipped with the gas outlet component for treating acidic component in sewage. The utility model discloses through sewage S shape along batten flows to shell lower part, while sewage will promote impeller and cleaning frame rotation to scrape the impurity on batten, so that water vapor moves upward, flows through air inlet hole and contacts sewage to treat sewage, so that it can remove acidic component when sewage flows and treat, promote cleaning frame rotation to scrape the impurity on batten, prevent air inlet hole blockage, enhance gas exchange effect, improve sewage treatment efficiency.

The invention relates to the technical field of treatment of heavy metal ions in soil, and discloses a preparation method and application of a flower-like soil heavy metal ultra-stable mineralizer. A coprecipitation method is adopted, an alkali source is provided for a system through amino alcohol, a metal precursor preferentially grows in the specific direction in the reaction process, and then nanosheets are driven to be spontaneously assembled into a three-dimensional flower-shaped structure. Meanwhile, the amino alcohol can expand interlayer channels and enhance the anion exchange capacity of the material. The finally obtained hydrotalcite with the three-dimensional flower-shaped structure can efficiently adsorb and fix heavy metal ions in soil.

The present invention discloses a microbial agent for preventing and treating soil-borne diseases of ginger, and a preparation method and application thereof, and belongs to the field of microbial technology. The microbial agent of the present invention comprises disease-resistant growth-promoting microorganisms, microbial activity promoters and auxiliary carriers, and the dosage ratio of the three is 10mL:100mL:(30-50)g. The microbial agent of the present invention can effectively prevent and treat ginger blight of ginger, and at the same time can increase the resistance of ginger, promote the growth of ginger, and improve the quality of ginger. At the same time, the strain resources of plant growth-promoting bacteria are enriched. The agent is pollution-free and has no toxic side effects, has strong pertinence, can be stored for a long time after being made into a solid agent, is convenient for field application, and can also effectively improve the soil environment, thereby effectively meeting the nutritional needs of crop growth, and has good practical application value.

The utility model relates to the technical field of cameras, in particular to a security camera device. A security camera device comprises a protection assembly, the protection assembly is provided with a protection cover, a containing hole is formed in the side face of the protection cover, and the protection cover is suitable for containing a camera body; and the dehumidification heating assembly is arranged in the containing hole, the dehumidification heating assembly is provided with a bearing shell, a fan is suitable for being contained in the bearing shell, and the fan enables air in the protective cover to be exchanged with external environment air so as to eliminate moisture in the protective cover. The security and protection camera device solves the problem that after a camera and a protection frame are used for a long time, a large amount of water vapor is extremely prone to being left in a transparent cover of the protection frame, so that fog is generated on the transparent cover, and the monitoring effect is affected, and therefore the security and protection camera device is provided.

The utility model discloses a disposable suction adapter which comprises a suction tube and a stomach tube, and an adapter is arranged above the stomach tube. The surface of the conversion connector communicates with a connecting pipe, a combination part is arranged below the conversion connector, a limiting pipe is fixed to the upper portion of the surface of the conversion connector, a first friction part is arranged on the surface of the combination part, a first limiting ring is fixed to the surface of the combination part, and a plurality of containing grooves are formed in the surface of the combination part. A limiting ball is slidably connected to the inner wall of the storage groove, a first limiting groove and a positioning groove are formed in the inner wall of the stomach tube, and second friction parts are arranged on the upper portion of the surface of the suction tube and the inner wall of the limiting tube. The disposable connecting tube has the advantages that the disposable connecting tube can be connected with an injector, is convenient for patients with gastric retention or active hemorrhage to use in gastroscopy, has good anti-drop performance, and solves the problems that the existing disposable connecting tube cannot be externally connected with the injector, is inconvenient to use during examination, and is poor in fixing effect after connection.

The invention relates to the technical field of printing and dyeing processes, in particular to a printing and dyeing process, in the step 300, a printing and dyeing device comprises a printing and dyeing shell, the lower side of the printing and dyeing shell is fixedly connected with a water return shell, the water return shell is internally and fixedly connected with a plurality of downwards inclined filter screens, and drainage grooves are formed in the side walls of the two sides of the printing and dyeing shell; the printing and dyeing shell is communicated with the water return shell through a water draining groove, the filter screen on the uppermost side is lower than the water draining groove, two water pumps for re-injecting water in the water return shell back into the printing and dyeing shell are fixedly connected to one side of the water return shell, water inlet pipes on the water pumps are communicated with the space on the lower side of the water return shell, and water outlet pipes of the water pumps are connected to the side wall of the printing and dyeing shell. The lower side of the water return shell is fixedly connected with a supporting frame. According to the technical scheme, the dyeing effect on fabrics is improved, dye liquor of different depths can be cleaned, the filtering effect is improved, and the use cost of the equipment is reduced.

The device comprises a cavity, a pressurizing assembly, a filtering assembly, a humidifying assembly and an air inlet and outlet control assembly, an air inlet and an air outlet are formed in the cavity, and the pressurizing assembly, the filtering assembly and the humidifying assembly are sequentially placed in the cavity in the direction away from the air inlet; the cavity is located below a complete machine air outlet of the air conditioner, and the air inlet and outlet control assembly is located above the cavity. The air conditioner comprises the fresh air exchange and humidification device, the fresh air exchange and humidification functions can be achieved when the air conditioner runs through the device, and the diversified requirements of consumers for air quality and comfortable life are met.

The utility model discloses a dip-coating method oxygen-free copper rod up-drawing continuous casting machine which comprises a continuous casting machine body, a cooling pipe is arranged at the outer end of the continuous casting machine body and matched with the continuous casting machine body, a driving motor is arranged at the outer end of the cooling pipe, a rotating ring is arranged at the upper end of the cooling pipe, and the driving motor is matched with the rotating ring. A rotating ring is arranged in the continuous casting machine main body, a stretching frame is arranged on the inner side of the rotating ring, mixing blades are arranged on the stretching frame, a cleaning box is arranged at the upper end of the continuous casting machine main body, a cleaning ring is arranged in the cleaning box, an exhaust valve is arranged at one end of the cleaning box, a dip-coating pool is arranged at the upper end of the cleaning box, a material penetrating hole is formed in the dip-coating pool, and a sliding seal is arranged in the material penetrating hole. The equipment can improve the cooling effect and the machining quality of the copper rod.

A tritium water-based zinc ion battery relates to the field of isotope batteries, and a positive electrode comprises a current collector, a nano-structure semiconductor film, a tritium water radiation source, an active material and a conductive material; the nano-structure semiconductor film is prepared on the current collector; the active material and the conductive material are mixed and then coated on the surface of the nano-structure semiconductor film; the tritiated water radiation source exists in one or more of the following forms: the tritiated water radiation source exists in the nano-structure semiconductor film and / or the active material in the form of crystalline tritiated water; the tritiated water exists in the electrolyte in the form of liquid tritiated water; the electrolyte is an aqueous solution containing zinc ions. Compared with a traditional metal or semiconductor high-temperature and high-pressure tritiation technology, the tritium loading process does not affect the overall physical property of a semiconductor material. And meanwhile, the chemical structure of the tritiated water is stable, the problems of migration, diffusion and escape of tritium do not exist, and the stability of the battery material is ensured.

The invention belongs to the technical field of biological manufacturing, and discloses a 3D printing gel sphere for constructing an organoid structure and a preparation method of the 3D printing gel sphere. The invention discloses 3D printing bio-ink. The 3D printing bio-ink comprises a photo-crosslinking hydrogel material, an extracellular matrix material loaded with target cells or organoids and DNA dynamic hydrogel. According to the 3D printing bio-ink provided by the invention, the DNA dynamic hydrogel, which is one of the core components of the 3D printing bio-ink, has extremely high biocompatibility and designability, physical crosslinking is realized through hydrogen bonds between DNAs, the crosslinking process is reversible and can dynamically change along with the surrounding environment, and a continuous and appropriate mechanical environment is provided for formation of a large-volume organ structure. The 3D printing bio-ink can be used for constructing a millimeter-level spherical gel culture environment of a large-volume organ-like structure, namely, gel microspheres are obtained through 3D printing.

The utility model relates to a coastal inner bay upstream face structure, the coastal inner bay upstream face structure comprises a seawall, a first groove body and a grating piece, a plurality of convex parts are arranged on one side of the upstream face of the seawall, at least parts of the convex parts extend in the height direction of the seawall in the length direction, and the convex parts are arranged at intervals in the length direction of the seawall; a groove which is concaved in the convex parts is formed between every two adjacent convex parts; the first groove is located on the side, close to the bottom, of the seawall upstream face, and an opening is formed in the top of the first groove. The grid piece comprises a first grid and at least two second grids, the first grid extends in the length direction of the seawall and is arranged among the multiple convex parts, and a preset gap is formed between the first grid and the inner wall of the groove; the second grids extend in the thickness direction of the seawall and are arranged on the two sides of the first grids. The coastal inner bay upstream face structure can provide inhabiting and refuge spaces for fishes and other coastal aquatic organisms, and protection and recovery of marine organisms are promoted.

The present invention discloses a pile-based hollow breakwater with a variable air permeability, comprising: two rows of prefabricated pile foundations, a prefabricated panel fixedly arranged on the top of the prefabricated pile foundations, a wave-breaking wall and a breast wall arranged on the top of the prefabricated panel; the prefabricated pile foundations are integrally connected with a fixed wave-breaking board, and slide rails are correspondingly installed on the top and bottom between each two adjacent prefabricated pile foundations in the same row, and a movable wave-breaking board is slidably connected between each pair of slide rails; a control system for controlling the sliding of the movable wave-breaking board is installed on the prefabricated panel. The present invention also discloses a construction method of a pile-based hollow breakwater with a variable air permeability, and the control system can adjust the opening and closing degree of the movable wave-breaking board according to different wave conditions, so as to achieve an ideal wave-breaking effect; at the same time, the seawater on both sides of the pile-based hollow breakwater can be exchanged smoothly, thereby improving the water exchange capacity of the breakwater, minimally changing the hydrodynamic environment of the surrounding sea area, and maximizing the satisfaction of ecological and environmental protection requirements.

The utility model relates to the technical field of resin columns, in particular to an efficient adsorption resin column. Comprising a base box, an outer barrel is fixedly installed at the top of the base box, an inner barrel is fixedly installed in the outer barrel, the top of the outer barrel and the top of the inner barrel are fixed and penetrate through the same first cylinder, the bottom of the outer barrel and the bottom of the inner barrel are fixed and penetrate through the same second cylinder, and the second cylinder communicates with the base box; one side of the outer barrel is fixed and communicated with a water inlet pipe, the other side of the outer barrel is fixedly provided with a liquid inlet pipe, and the liquid inlet pipe is communicated with the inner barrel. Through a simple stirring and turning structure, the resin particles can be effectively stirred, rapid permeation of the ultrafiltration clear liquid is facilitated, the ultrafiltration clear liquid and the resin particles can be rapidly and uniformly mixed and contacted, and the problem of uneven permeation of the ultrafiltration clear liquid caused by uniform distribution and aggregation of the resin particles due to a vibration mode can be effectively prevented; and the ion exchange effect can be effectively improved.

The invention provides a microgravity environment microalgae closed culture container, a microgravity environment microalgae closed culture system and a use method. The upper half shell and the lower half shell are connected to the upper end and the lower end of the culture solution box respectively; the culture solution box comprises a wave-shaped solution box top wall and a wave-shaped solution box bottom wall which are made of hydrophobic breathable materials, a solution box side wall which is connected with the solution box top wall and the solution box bottom wall in a matched mode, and a light source assembly which is arranged in the culture solution box in a penetrating mode; the upper half shell is matched with the top wall of the liquid tank to form an upper air chamber; the lower half shell is matched with the bottom wall of the liquid tank to form a lower air chamber; and the culture solution box, the upper air chamber and the lower air chamber are respectively provided with an inlet and an outlet. According to the microgravity environment microalgae closed culture container provided by the invention, the contact area between the culture solution box and the air is increased, and the exchange efficiency of the microalgae culture solution and oxygen and carbon dioxide in the air is improved; in addition, the whole reactor is composed of fixing parts, so that the structure of the culture device is simplified, and the manufacturing cost is reduced.

The deodorization system comprises the livestock and poultry houses, a dust falling and deodorization room and a gasification and deodorization unit, the multiple livestock and poultry houses are arranged side by side in the longitudinal direction, a plurality of draught fans are arranged on the outer walls of the livestock and poultry houses, and the dust falling and deodorization room is adjacent to the multiple livestock and poultry houses and communicated with the multiple livestock and poultry houses through the draught fans; the gasification and deodorization unit comprises deodorant gasification equipment and a gasification pipeline which are communicated, the gasification pipeline is located in the livestock and poultry house, an atomization unit is arranged in the dust falling and deodorization room and comprises a first atomization device and a second atomization device, the first atomization device is arranged on the longitudinal face of the outer side of the draught fan, and the second atomization device is arranged at the top end of the dust falling and deodorization room. Air outlets are formed in the two sides of the dust falling and deodorization room. The invention further discloses a deodorization method for the livestock and poultry house. According to the invention, after the gasification deodorant output by the gasification deodorization unit and the livestock and poultry house odor are subjected to gas-gas exchange deodorization, the atomized liquid sprayed by the atomization unit is subjected to further gas-liquid exchange deodorization, so that the deodorization effect can be effectively ensured.

The utility model discloses a kind of based on ultrasonic wave cooperates coarse coconut bran matrix's soilless cultivation breeding acceleration device, comprising: matrix processing unit, ultrasonic atomization system and intelligent control unit.In matrix processing unit, coarse coconut bran is formed after layer structure by steam puffing, pyroligneous acid modification, probiotic solidification, bottom layer is coconut shell charcoal particle, middle layer is modified coarse coconut bran matrix, surface layer is carbonized rice hull.Ultrasonic atomization system is composed of three-dimensional spiral flow guide pipe around matrix, high-frequency piezoelectric ceramic atomization piece group and nano bubble generating device.Intelligent control unit can dynamically adjust ultrasonic frequency and working mode, simulate day-night rhythm to adjust ultrasonic and illumination.By optimizing matrix structure and ultrasonic atomization technology, nutrient solution is evenly covered root system with micron grade fog particle, while nano bubble promotes dissolved oxygen concentration, solve the problem that traditional fog culture droplet particle size is big, root system is insufficient in oxygen supply.

The utility model relates to the technical field of frequency converters, in particular to an integrated frequency converter, which comprises a power module, an electrolytic capacitor, a radiating fan, a radiator and a case steel frame, the case steel frame comprises a frame body and a shielding unit, the frame body is provided with radiating hole grooves for heat exchange, the radiating hole grooves are arranged on two sides of the frame body along the vertical direction, and the shielding unit is arranged on the frame body. On the basis of the prior art, the structure of the case steel frame of the frequency converter is improved, the heat dissipation hole grooves used for heat exchange are additionally arranged, the capacity of heat exchange between the inside and the outside of the frequency converter is remarkably improved, meanwhile, the shielding unit is further arranged, and the shielding unit is arranged on the outer side of the frame body and movably connected with the frame body. And on the basis of improving the heat dissipation capability, the shielding requirement of the case steel frame on dust can be met, so that the applicability of the frequency converter is remarkably improved.

The present invention relates to the technical field of overload protection, and discloses an outdoor energy storage prefabricated cabin overload monitoring mechanism, including a support frame, a prefabricated cabin body is arranged on the top of the support frame, an operating table is arranged on one side of the prefabricated cabin body, a fixed frame is fixedly connected to the top of the prefabricated cabin body, switch doors are arranged at both ends of the prefabricated cabin body, an air intake fan is arranged through one side of the prefabricated cabin body, an air outlet fan is arranged through the other side of the prefabricated cabin body, a bearing plate is fixedly connected to the bottom of the inner wall of the prefabricated cabin body, an energy storage device is installed on the bearing plate, a moving component is arranged on one side of the air intake fan; a gas exchange component is arranged on one side of the inner wall of the prefabricated cabin body; the moving component moves synchronously with the rotation of the air intake fan; and the gas exchange component is used to forcibly exchange the gas in the prefabricated cabin body. Compared with the prior art, the present application effectively improves the effect of the exchange of airflow between the prefabricated cabin body and the outside world, and improves the service life of the prefabricated cabin body.

The invention discloses a preparation method and application of a zeolite denitrification agent. The preparation method of the zeolite denitrification agent comprises the following steps: (1) cleaning, drying, grinding and sieving a natural micron zeolite raw material to obtain micron zeolite with uniform particles; (2) roasting the micron zeolite obtained in the step (1), and cooling to obtain thermally modified zeolite; and (3) mixing the thermally modified zeolite obtained in the step (2) with a disodium sulfosuccinate decyl polyoxyethylene (6) ether ester solution, heating, stirring, filtering, cleaning and drying to obtain the zeolite denitrification agent. The novel zeolite denitrification agent is successfully prepared by treating the natural micron zeolite through heat treatment in combination with the modifier, the preparation method is simple, the denitrification efficiency of the prepared zeolite denitrification agent is remarkably improved, and an efficient and practical new material is provided for the field of river pollution treatment.

A decentralized integrated sewage treatment biological reaction device comprises: a sewage collection tank, and an integrated sewage treatment device matched with the sewage collection tank, wherein the integrated sewage treatment device is composed of modularly arranged functional units: a pretreatment equipment unit, an inclined tube sedimentation treatment unit, an aerobic treatment unit, an anaerobic treatment unit, an ozone treatment unit and a high light irradiation unit; the sewage in the sewage collection tank is subjected to coagulation and stirring treatment in a coagulation and stirring tank provided in the pretreatment equipment unit and added with a liquid flocculant, and then is sequentially sent to the inclined tube sedimentation treatment unit, the aerobic treatment unit, the anaerobic treatment unit and the ozone treatment unit, and after successively realizing sedimentation, oxidation, anaerobic and ozone treatment, the sewage is subjected to light treatment in a high light irradiation unit provided in the ozone treatment unit, and then the decentralized point source sewage is discharged without pollution.

The present invention relates to a method and a system for purifying hydrogen peroxide water, which can reduce the re-elution of ions during the purification process by preventing the layer separation of a mixed ion exchange resin in which a cation exchange resin and an anion exchange resin are mixed, thereby satisfying the purity required in the precision chemistry field such as the semiconductor industry field. The method for purifying hydrogen peroxide water comprises: (a) a step for producing a mixed ion exchange resin by injecting a gas into a mixture of a cation exchange resin, an anion exchange resin, and water and bubbling; (b) passing hydrogen peroxide water through the mixed ion exchange resin; and (c) discharging the hydrogen peroxide water that has passed through the mixed ion exchange resin.

The application discloses a saline-alkali soil composite improver and a preparation method thereof, relates to the technical field of soil improvement, and raw materials include 18-22 parts of ion intercalation modified expanded vermiculite, 10-14 parts of humic acid, 0.2-0.4 parts of polyacrylamide, 6-9 parts of urea, 5-7 parts of diammonium phosphate, 4-6 parts of potassium sulfate, and 10-18 parts of iron modified biochar-attapulgite composite carrier immobilized microbial inoculant. The saline-alkali soil composite improver has excellent saline-alkali soil improvement effect.

The invention relates to a sponge city drainage structure which comprises a road body, a mounting groove is formed in the road body, a shaft is arranged at the bottom of the mounting groove, a mounting plate is arranged in the mounting groove, a communicating hole is formed in the mounting plate and penetrates through the mounting plate, and a supporting block is arranged at the end, away from the shaft, of the mounting plate. A well lid is arranged on the side, away from the mounting plate, of the supporting block and provided with ventilation holes. The mounting plate is provided with a mounting cavity, a control piece is arranged on the cavity wall of the mounting cavity, and the mounting cavity is divided into an exhaust area and an air inlet area by the control piece; the mounting plate is provided with an air inlet hole and an air outlet hole, and when the mounting plate vibrates, the control piece slides along the cavity wall of the mounting cavity and moves back and forth. Gas exchange between the well and the mounting plate is enhanced through vibration affected by vehicle passing, so that gas exchange between the well and the outside is facilitated, gas circulation is facilitated, and the situation that harmful gas is accumulated in the well is reduced.

The present invention discloses a spherical sodium zirconium phosphate powder, a preparation method and application thereof, and belongs to the technical field of dialysis materials. The preparation process of the sodium zirconium phosphate powder of the present invention comprises: + Zirconium phosphate synthesis, secondary H + The steps of synthesizing the sodium zirconium phosphate, washing, preparing the slurry, adding sodium reaction and structural stabilization reaction, adjusting the pH value, washing twice, drying and structural strengthening, screening and the like are included. The sodium zirconium phosphate powder prepared by the present invention is spherical in shape, has the characteristics of narrow particle size distribution range, high cation exchange capacity, recyclability, low Hausner ratio, low free phosphorus precipitation value, low zirconium element precipitation value, and excellent biochemical properties. The cation exchange capacity of the sodium zirconium phosphate powder is improved by more than 30% compared with the layered α zirconium phosphate materials in the prior art, and can be reused for more than 15 times, and the regeneration method is simple, so it has broad application value and prospects in the fields of hemodialysis and the like.

The invention discloses a saline-alkali soil remediation agent and a preparation method thereof, and relates to the technical field of saline-alkali soil remediation. The production of the saline-alkali soil repairing agent with the functions of preserving moisture and fertility, passivating heavy metals in soil and relieving further salinization of saline-alkali soil is realized through surface saline-alkali soil desalination, tailing sludge thermal reaction pore-forming, biomass anaerobic fermentation, oxalic acid loading modification and inorganic substance compounding, and comprehensive utilization of various coal-based solid wastes and agricultural solid wastes is realized; good social and economic benefits are generated, and environmental pollution and environmental protection pressure are reduced.

The application belongs to the technical field of fertilizers, and provides a preparation method of modified fulvic acid and application of the modified fulvic acid in fertilizers.The preparation method of the modified fulvic acid comprises the following steps: step 1, dissolving fulvic acid in deionized water, ultrasonic activation, after reaction, drying to obtain activated fulvic acid; step 2, dissolving the activated fulvic acid in a sodium hydroxide solution, heating to 40-45 DEG C for 10-15 min, after cooling, adjusting pH, adding a polymer monomer and an initiator, heating to 40-45 DEG C for 3-3.5 h, and drying to obtain modified fulvic acid. The application introduces new functional groups, such as amide groups, into fulvic acid molecules through chemical reactions, so as to enhance the chelating capacity or adsorption performance of the fulvic acid on specific nutrient elements, thereby effectively preventing the fixation of the elements in soil, and improving the absorption efficiency of the elements by plants.

The present invention provides a data caching method, system, product, device and storage medium, which relates to the field of data processing technology and is applied to a graphics processor, including: obtaining a target computing task that needs to be executed by a graphics processor in the current to-be-executed task sent by a host; the graphics processor pre-establishes a connection with a memory pool, and the memory pool contains a shared first memory partition and a second memory partition exclusively used by the graphics processor; determining the data type of each first to-be-cached data when executing the target computing task; determining the corresponding target memory partition based on the data type; caching the first to-be-cached data to the corresponding target memory partition, so as to complete the subsequent computing process using the cached data. In this way, the graphics processor of the present application can implement data caching through a mounted memory pool, and can flexibly cache data to different memory partitions in combination with the data type and memory partition set, which can improve data exchange performance and reduce data latency.