40 results about "Sodium thiosulfate" patented technology

The present application provides a kind of prevention and control method of green moss in water lily planting pool, specifically belongs to water quality control technical field.The prevention and control method of green moss in water lily planting pool described in the present application includes the following steps: before planting water lily, water injection, water level is controlled at 15~20cm, copper sulfate is applied to kill green moss and its spores, keep water body not to flow during disinfection;After disinfection, apply sodium thiosulfate, and plant water lily;After planting water lily, keep replenishing water, control water level to 40~50cm, when green moss first outbreak, apply mineral fulvic acid potassium and composite bacillus;Subsequent green moss outbreak, apply mineral fulvic acid potassium, or apply mineral fulvic acid potassium and composite bacillus.The prevention and control method described in the present application is safe and efficient, which can quickly and effectively remove green moss without inhibiting the growth of water lily, and also does not affect the harvest of water lily.

This invention discloses a method for preparing a carbon source for microbial culture medium based on enzymatic hydrolysis of bamboo powder and its application, belonging to the field of high-value utilization technology of biomass resources. Using bamboo powder as raw material, the invention involves mild alkali pretreatment to disrupt the dense structure of lignocellulose, followed by enzymatic hydrolysis using a specialized enzyme system of endoglucanase Cel7B and xylanase XynA expressed heterologously by *E. coli* in an optimized ratio. After solid-liquid separation, an enzymatic hydrolysate rich in reducing sugars is obtained. The hydrolysate is then nutritionally fortified with trace elements such as sodium thiosulfate and sodium silicate to produce a low-cost, high-efficiency liquid carbon source. This invention achieves high-value utilization of bamboo waste. The entire process is mild, environmentally friendly, and simple, easily scaled up industrially, and solves the industry bottleneck of high carbon source cost in industrial microbial culture, demonstrating good application prospects and market value.

To provide a unit dosage form containing a pharmaceutically acceptable sodium thiosulfate (for example, sodium thiosulfate pentahydrate).SOLUTION: There is provided a unit dosage form which contains 10 ppm or less of non-removable organic carbon, 0.05 ppm or less of mercury, 2 ppm or less of aluminum, 0.003 wt.% or less of selenium, and on an anhydrous basis measured by ion chromatography, 98 wt.% or more and 102 wt.% or less of sodium thiosulfate, 10 ppm or less of heavy metals, 200 ppm or less of chlorides, 0.001 wt.% or less of sulfides, 0.002 wt.% or less of iron, 0.01 wt.% or less of calcium, 0.005 wt.% or less of potassium, 0.1% or less of sulfites, 0.5% or less of sulfates and 3 ppm or less of arsenic, 0.001 wt.% or less of lead or the like, wherein a 10% aqueous solution at 25°C is colorless and has a pH of 6.0 to 8.0.SELECTED DRAWING: None

The present application relates to a kind of preparation methods of ultra-low profile thick electrolytic copper foil, comprising: i. adding composite additive in foil electrolyte, the composite additive is composed of phenylethyl resorcinol, sodium thiosulfate and diallyl disulfide;II. Adding bismuth sulfate as inorganic additive in roughening solution of surface treatment process.The ultra-low profile thick electrolytic copper foil prepared by the present application has lower surface roughness, and the actual effective copper thickness is close to the theoretical value. Under the same 2-3Oz thickness specification, the effective thickness of the copper foil is thicker than the conventional RTF copper foil. In the PCB circuit, it shows low resistance, less power consumption and better heat dissipation performance, solving the technical problems of high power loss and poor heat dissipation performance under AI high computing power.

The application discloses a treatment method for efficiently removing selenium from waste acid, and specifically comprises the following steps: preheating waste acid to be treated for removing selenium, adding sulfuric acid to adjust the H + concentration of 4-6 mol / L, then adding a reducing agent sodium sulfite Na2SO3, and fully stirring and mixing; controlling the temperature to be 55-70 DEG C to perform a first-stage reaction, then adding a composite catalyst prepared by mixing sodium thiosulfate Na2S2O3 and iodine I2, stirring and mixing, continuing to perform a deep reaction, and performing solid-liquid separation after filtration when the reaction is completed. The application uses sodium sulfite reduction, iodine and sodium thiosulfate catalysis as a substitute for the traditional SO2 reduction mode, solves the problem that the traditional SO2 reduction method is limited by pH liquid, accelerates the reaction rate through iodine and sodium thiosulfate catalysis, simultaneously solves the problem that the traditional sulfite cannot reduce selenium-containing substances other than selenite, and improves the reduction effect of selenium.

This application relates to the field of water pollution control technology and discloses a method for preparing a sediment microecological reconstruction and pollutant-targeted immobilization conditioner. The method includes: modifying mesoporous silica with amino- and thiolated compounds and mixing it with biochar to obtain an adsorbent material; dispersing ferrous sulfate, sodium thiosulfate, and hydroxyapatite with the adsorbent material in a sodium alginate solution and adding it dropwise to a calcium chloride solution for cross-linking and chitosan coating to obtain microcapsules; compounding riboflavin, humic acid, carbon source nutrients, and adding signaling molecules to obtain a metabolic enhancer; compounding metalloenzyme inhibitors and activating them with microorganisms to obtain an activator; granulating and coating calcium carbonate, magnesium hydroxide, ferrous sulfate, sulfur powder, calcium peroxide, and sodium lactate to obtain buffer particles; mixing the adsorbent material, microcapsules, and buffer particles, spraying, adding the metabolic enhancer and activator, adding binders and pore-forming agents, granulating, drying, sieving, and spraying a protective film to obtain the conditioner. This application solves the technical problems of existing sediment conditioners, such as single function, uncontrolled release, and microecological imbalance.

The application discloses a kind of sprouting seed low concentration EMS mutagenesis and time effect window control breeding method, comprising: 1) after seed disinfection, be placed in 3-5 times volume of sterile deionized water, soak to seed just show white under the condition of 25±1 ℃ constant temperature, make seed from dormant state enter sprouting state, activate physiological metabolism, soften seed coat, obtain sprouting seed;2) using low concentration EMS working solution to sprouting seed is mutagenized, wherein, the volume concentration of EMS working solution is <0.5%;3) the seed obtained in step 2) is transferred to 5-10 times volume of 5% sodium thiosulfate solution, soak 20-30 minutes, then filter seed, and rinse with washing liquid until no EMS residue, finally absorb seed surface moisture;4) the seed obtained in step 3) is sowed within 12 hours after treatment, then placed in 25±2 ℃, relative humidity 70%-80% environment germination nursery seedling.The application significantly reduces the concentration of EMS, overcomes the contradiction between mutagenic efficiency and seed survival rate, improves the survival rate and robustness.

The application discloses a kind of tin sinking processes for chip packaging, it is related to surface treatment technical field, it includes the following steps: the copper surface of base material is carried out oil removal-water washing-microetching-water washing procedure, base material is placed in tin sinking solution and is carried out pre-soaking treatment, continue to soak and carry out chemical tin sinking treatment, place in the concentration of 40-60% tin sinking solution and carry out post tin sinking treatment, wash multiple times, obtain tin sinking plate after drying.Tin sinking solution includes: tin main salt 15-25g / L, sodium thiosulfate 80-120g / L, organic acid 8-15g / L, sulfuric acid 20-35ml / L, organic phosphonic acid 10-17g / L, cucumber extract 15-22ml / L, hydrophilic modified silica sol 2-5ml / L, gelatin 0.2-0.4g / L, surfactant 0.05-0.1g / L.The tin sinking process of the application is green and environmental protection, can improve coating quality and bath service life.

This invention discloses a method for recovering nickel resources from copper electrolytic refining liquid, belonging to the field of valuable metal resource recovery technology. The invention includes (1) filtering the copper electrolytic refining liquid and adjusting its pH to 4.0-6.0; (2) adding a composite precipitant to the copper electrolytic refining liquid with pH 4.0-6.0 from step (1), while simultaneously heating the liquid. After the reaction, the liquid is allowed to stand until the reaction product liquid forms three layers. The composite precipitant is a mixed aqueous solution of sodium thiosulfate and sodium diethyldithiocarbamate; (3) performing stratified recovery on the three layers formed in step (2), filtering the bottom layer to obtain a precipitate, washing the precipitate, and completing the nickel resource recovery. This invention achieves the separation of nickel resources from the electrolytic liquid and other precipitates in one step, effectively realizing efficient and high-quality separation and recovery of nickel resources.

The invention relates to a pharmaceutical dosage form for oral administration comprising (i) an intragranular phase, which comprises Sertraline or a physiologically acceptable salt thereof; one or more intragranular fillers (preferably selected from one or more sugar alcohols or sugars; preferably mannitol or lactose, more preferably mannitol); one or more intragranular antioxidants (preferably selected from butylated hydroxytoluene (BHT), butylated hydroxy anisole (BHA), tocopherol or derivatives thereof, ascorbic acid or derivatives thereof, sodium metabisulphite, propyl gallate, sodium thiosulphate, or any combination thereof, more preferably ascorbic acid); (ii) an extragranular phase, which comprises one or more extragranular fillers (preferably mannitol, microcrystalline cellulose, lactose, or any combination thereof); and (iii) optionally, a film coating. The invention further relates to a process for manufacture by wet granulation, wherein the antioxidant is preferably dissolved in the granulation liquid.

This invention relates to the field of electrochemical energy storage materials and lithium metal battery technology, specifically to an in-situ polymerized solid electrolyte, its preparation method and application, and lithium metal batteries. This in-situ polymerized solid electrolyte is prepared by heating a ring-opening polymerization reaction using 1,3-dioxolane and 1,1,1-trifluoro-2,3-epoxypropane as reactants, sodium thiosulfate as an initiator, and lithium salt and plasticizer fluoroethylene carbonate as a precursor solution. This electrolyte possesses numerous amorphous regions, which is beneficial for ion transport, enabling the formation of a self-supporting dense structure. It also ensures close contact with the electrode, resulting in a pure interface that effectively reduces interfacial impedance and avoids side reactions at the electrode interface. Furthermore, it enhances oxidation resistance, broadens the electrochemical window, and inhibits dendrite growth. While achieving good mechanical properties, it also improves the cycle stability and safety performance of the battery. It has excellent application prospects in lithium metal batteries, lithium-ion batteries, solid-state energy storage systems, or flexible electronic devices.

This application provides a gold leaching reagent system and its heap leaching process for treating low-grade gold ore, belonging to the field of hydrometallurgy. The gold leaching reagent system includes a main leaching agent, a catalytic leaching agent, and a stabilizer; wherein the main leaching agent is glycine, the catalytic leaching agent is anhydrous sodium thiosulfate, and the stabilizer is an organic ammonium salt. This application constructs a ternary stable and synergistic system of sodium thiosulfate-glycine-organic ammonium salt by introducing an organic ammonium salt with a specific structure. This optimizes the traditional thiosulfate gold leaching process from both thermodynamic and kinetic perspectives. The organic ammonium salt cations can dynamically adsorb around the thiosulfate ions in solution through intermolecular interactions, forming an effective shielding layer. This significantly inhibits the side reaction of sodium thiosulfate being oxidized and decomposed into sulfate and other ineffective products by dissolved oxygen, maintaining the long-term stability of the effective components in the leachate. This gold leaching reagent system has comprehensive advantages such as high leaching efficiency, good reagent stability, environmental friendliness, and low operating costs.

This invention belongs to the field of fine chemical technology, specifically relating to a method for preparing sodium hydrosulfide using acidic gas. The invention constructs a multi-stage co-current absorption system with progressively decreasing total alkalinity concentration. The product outlet is located at the stage with the lowest total alkalinity, utilizing a low-alkalinity medium to suppress CO2 absorption, reducing the generation of sodium carbonate impurities by more than 67% at the source. Combined with room-temperature chemical precipitation for decarbonization and staged cooling crystallization for impurity removal, the system systematically solves the problem of difficult removal of soluble impurity salts such as CO2, NH3, and sodium thiosulfate. This invention uses industrial sulfur-containing tail gas as raw material, fully utilizing the exothermic reaction between H2S and NaOH to maintain the absorption temperature. Vacuum evaporation utilizes the residual heat from condensation for staged replenishment, achieving efficient sulfur resource recovery and green production. The process is simple, the equipment is mature, and the production line can switch between producing 43% liquid sodium hydrosulfide or over 70% solid sodium hydrosulfide, flexibly adapting to tail gas with different H2S concentrations.

This invention belongs to the technical field of functional personal care products, and specifically relates to a highly efficient and stable natural sulfur hot spring bath concentrate formula and its preparation process. The bath concentrate formula, by mass percentage, comprises the following components: 35.0-65.0% sulfur hot spring active concentrate, 0.001-0.01% sodium selenite, 0.1-1.0% sodium thiosulfate, 0.05-0.2% disodium EDTA, 0.5-3.0% cationic liposomes, 0.2-0.8% carrageenan, 0.5-3.0% calcium source, 0.3-2.0% magnesium source, 0.1-0.5% bisabolol, 0.1-0.5% dipotassium glycyrrhizate, 0.2-1.5% citrate-sodium citrate buffer pair, 3.0-8.0% polyol, 0.1-0.3% β-cyclodextrin-encapsulated fragrance, and deionized water to 100%. A liquid bath concentrate was obtained using natural sulfur hot spring water as the water source, which fully retains its active sulfide spectrum and characteristic mineral ions, and can be stored for a long time at normal temperature and pressure. It has the advantages of high stability, high polysulfide content, slow release, and no irritation.

This invention discloses a method for the recovery and regeneration of elemental silver from waste photovoltaic panels based on electrochemical regulation of a eutectic solvent, belonging to the field of resource recycling technology for waste photovoltaic modules. The method involves mixing choline chloride and ethylene glycol, heating and stirring to form a eutectic solvent, and then adding anhydrous copper chloride to prepare a chloride-rich leachate. Waste photovoltaic panel cells are placed in the chloride-rich leachate and heated under forced convection stirring to oxidize elemental silver, which then enters the liquid phase as complexed ions. After the reaction, solid-liquid separation yields pure silicon wafers and the silver-rich leachate. Deionized water is added to the silver-rich leachate to precipitate silver chloride, and after solid-liquid separation, silver chloride precipitate is obtained. The washed silver chloride is precipitated in a sodium thiosulfate solution containing sodium sulfite to form a stable electrolyte. Electrodeposition is then performed on the electrolyte to deposit elemental silver on the cathode, achieving optimal matching of effective ionic conductivity and realizing efficient and green extraction of elemental silver and lossless solvent recycling.

The application discloses a kind of molybdenum bis (dibutyl dithiocarbamate) oxide and preparation method thereof, comprising the following steps: molybdenum trioxide, phase transfer catalyst and water are uniformly mixed, are sent into first-stage mixing reactor, sodium hydrosulfide, sodium thiosulfate and water are uniformly mixed, also are sent into first-stage mixing reactor, and first reaction solution is obtained by reaction;Di-n-butylamine and water are uniformly mixed, are sent into second-stage mixing reactor, carbon disulfide is simultaneously sent, and second reaction solution is obtained by reaction;First reaction solution, second reaction solution are respectively sent into third-stage mixing reactor and are reacted, obtain molybdenum bis (dibutyl dithiocarbamate) oxide solution, solid-liquid separation, drying, obtained immediately.The yield of product obtained by the application is high, the purity is high, the quality is stable, the whole reaction process is continuously carried out in airtight container, there is no gas volatilization, which is conducive to environmental protection, reaction solvent is water, resource consumption is less, can be recycled, clean and environmentally friendly.

This invention discloses a deep-sea bacterium capable of heterotrophic aerobic growth and autotrophic sulfur oxidation and denitrification, and its applications. The bacterium is *Lihuangiaoceani*, strain number D14, registered at the China General Microbiological Culture Collection Center (CGMCC) No. 1.13774. This *Lihuangiaoceani* possesses facultative sulfur oxidation and denitrification capabilities, enabling heterotrophic growth under aerobic conditions and denitrification using organic matter and / or sodium thiosulfate under anaerobic conditions. It can utilize nitrate as an electron acceptor for sulfur oxidation under anaerobic conditions and oxygen as an electron acceptor for sulfur oxidation under aerobic conditions. It can be used to remove nitrates and thiosulfates from polluted water bodies or sediments, or for wastewater treatment in landscape water, urban rivers, and aquaculture, as well as for the remediation of eutrophic rivers and lakes.

The application discloses a preparation method of a bifunctional electrode, the electrode and application, wherein the preparation method comprises the following steps: (1) electroplating solution configuration: taking deionized water as a solvent, sequentially adding nickel sulfate, ammonium sulfate, ammonium chloride and sodium thiosulfate, uniformly stirring, and then adjusting the pH value to 4.5-5.5; (2) electrode pretreatment: taking a nickel wire mesh with double-sided sand blasting as a cathode, and then sequentially removing oil and an oxide layer; and (3) electrochemical deposition: placing the pretreated cathode and a nickel-based tensile mesh anode into the electroplating solution, connecting the cathode and the anode with a power supply negative pole and a positive pole respectively, depositing at a current density of 5-20 mA / cm 2 at room temperature for 30-90 min under constant current, and obtaining the bifunctional electrode. The NiS alloy is prepared by optimizing an electroplating co-deposition process, the dual anti-iron mechanism of a polysulfide protective layer is utilized, the unification of high electrochemical activity and anti-iron adsorption performance is realized, the energy consumption of an electrolytic cell is reduced, and the operation life is prolonged.

The present application relates to a cleaner for reducing greenhouse gas methane emissions from a septic tank. The cleaner comprises, in percentage by weight: 1-5 wt% of an aloe extract, no more than 1 wt% of a seawater-extracted mineral element, 1-10 wt% of sodium carbonate, 1-10 wt% of sodium bicarbonate, 1-10 wt% of sodium thiosulfate, 1-5 wt% of citric acid, 1-3 wt% of lemon oil, 1-7 wt% of an ionic surfactant, 1-5 wt% of calcium oxide, and pure water added to make up to a total of 100 wt%. By putting the cleaner of the present application into a septic tank, methanogenic bacteria in the septic tank can be effectively inhibited, thereby achieving the effect of reducing greenhouse gas methane emissions, relieving the environmental pressure, mitigating the impact of climate variation, and contributing to environmentally sustainable development.

The present application relates to a kind of foamed nickel-based Fe-B-S catalyst and its preparation method and application, and the preparation method is as follows: respectively preparing aqueous solution of iron nitrate as A solution, and aqueous solution of sodium borohydride, sodium hydroxide and sodium thiosulfate as B solution;Foamed nickel after pretreatment is immersed in A solution and B solution in turn alternately, repeat several times, dry after obtaining the foamed nickel-based Fe-B-S catalyst of the present application.The foamed nickel-based Fe-B-S catalyst uses foamed nickel as substrate, which is provided with low crystalline Fe-B-S active layer, the low crystalline Fe-B-S active layer includes Fe-B-S composite grown in situ on the foamed nickel substrate, and the Fe-B-S composite is composed of Fe, B and S element.Compared with prior art, the Fe-B-S catalyst prepared in the present application shows significantly reduced overpotential in oxygen evolution reaction, with the advantages of simple preparation, low cost and high catalytic efficiency.

The application discloses a method for preparing modified molybdenum disulfide material by adopting sodium thiosulfate assisted ball milling and application thereof, and belongs to the field of water treatment and environmental functional material. The modified molybdenum disulfide material is prepared by adopting a sodium thiosulfate assisted ball milling method, and the sodium thiosulfate addition amount is 0.1-2.0 g per gram of molybdenum disulfide. The material is used for activating permanganate to treat wastewater containing antibiotics and heavy metals, and can be efficiently operated under weak acid to neutral conditions. Among them, singlet oxygen and high-valence manganese species dominate the oxidative degradation of antibiotics, and the in-situ generated amorphous manganese dioxide removes heavy metals through adsorption fixation. The method solves the problems of low efficiency and single function of the traditional heterogeneous activation system, has high and stable synergistic purification capacity for water bodies with antibiotic and heavy metal composite pollution, and is especially suitable for the advanced treatment of reclaimed water.

This application discloses a method for catalytic wet oxidation treatment of sodium thiosulfate. The method includes: contacting a raw material containing sodium thiosulfate with a catalyst and an oxidant to undergo an oxidation reaction to obtain sodium sulfate; wherein the catalyst includes a support and an active component; the support is activated carbon; the active component includes a transition metal active element; the transition metal active element is selected from one to three of Mn, Fe, Co, Ni, and Cu. This method can achieve oxidation of more than 60% of 10000 mg / L thiosulfate, and the catalyst activity can be restored by water washing and regeneration after a decrease. The catalyst morphology remains good after 30 days of continuous operation.

The application discloses an interface coordination and covalent double-anchored zeolite gel and a preparation method thereof, and belongs to the technical field of gel material synthesis. The zeolite gel comprises the following materials in parts by mass: ZSM-5 zeolite 2-4 parts, APTES 0.2-0.5 parts, anhydrous toluene 10 parts, 3,4-DHBA 0.01-0.04 parts, ascorbic acid 0.1-0.2 parts, ferrous chloride tetrahydrate 0.03 parts, hydrogen peroxide 0.2 parts, sodium thiosulfate 0.2 parts, gel monomer 0.8-1.2 parts, 2-bromoisobutyryl bromide 0.4 parts, triethylamine 0.2-0.5 parts, carboxyethyl methacrylate 0.1 parts, cuprous bromide 0.01 parts, 2,2-bipyridine 0.01-0.05 parts and dimethylformamide 20.02 parts. Through innovative modification, anchoring and functional design, the utilization rate of zeolite, the interface stability, the adsorption performance and the cycle life are synergistically improved, and the industrial application of the zeolite gel composite material in the field of wastewater treatment and the like is promoted.

This invention discloses a method compatible with multifunctional group deprotection of tert-butylsulfinyl groups. The method uses tert-butylsulfinyl compound 1 as a substrate and haloalkanes as solvents. Under a nitrogen or air atmosphere, N-chlorosuccinimide, N-bromosuccinimide, or N-iodosuccinimide are used as deprotection reagents. The reaction is carried out at room temperature to 100°C with stirring for 0.1 to 5 hours. After quenching and purification, the target compound 2 is obtained. The molar ratio of substrate to reagent is 1:0.1 to 10.0, and the molar volume ratio of substrate to solvent is 1:1 to 10. The quenching reagent is selected from sodium thiosulfate solution, etc. This invention overcomes the shortcomings of existing methods, such as poor functional group compatibility and limited substrate applicability. It has advantages such as mild reaction conditions, high deprotection efficiency, wide substrate range, commercially available and inexpensive reagents, and safe and simple operation. It can be widely used in the synthesis of multifunctional and complex molecules and has good industrial application prospects.

The application discloses a kind of selenium-removing agent water, preparation method of selenium-removing agent and selenium-removing agent, belong to wastewater treatment technical field, and the preparation steps of selenium-removing agent water are as follows: saturated sodium thiosulfate solution is configured, dilute sulfuric acid is added, and reaction mixture system A in a closed container is formed;Calcium oxide and lime nitrogen are mixed and added to the obtained reaction mixture system A, stirred and filled with nitrogen protection, filtered, and the obtained filtrate is selenium-removing agent water, after selenium-removing agent water is frozen crystallization, centrifugal drying is carried out, and selenium-removing agent in white or light yellow crystalline solid is prepared, the application is aimed at the selenium removal of copper smelting industrial wastewater, and the prepared selenium-removing agent water and selenium-removing agent can precipitate selenium in solution in the form of complex, with the advantages of small residue amount and simple operation, to achieve the purpose of deep selenium removal.

This invention provides a flotation method for high-sulfur, muddy copper ore. First, the ore to be processed is pre-screened and classified. Then, only the larger particles are ground to reduce mud formation during grinding. Next, a copper-preferential process is performed. A pyrite composite depressant is obtained by compounding lime, sodium thiosulfate, sodium dimethyl dithiocarbamate, sodium hydroxide, and citric acid in a specific ratio. Utilizing the bonding between inorganic and organic matter and the synergistic effect of the substances in the pyrite composite depressant, pyrite is suppressed to the greatest extent, achieving efficient separation of copper and pyrite. Simultaneously, middlings are mixed and regrinded instead of being directly returned to the previous process. This middlings mixing and regrinding, combined with the use of the pyrite composite depressant, enhances the efficient separation of copper and pyrite. Finally, under the action of an activator, a pyrite collector, and a frother, efficient sulfur separation is achieved, ultimately yielding two qualified products: copper concentrate and sulfur concentrate.

The application relates to a preparation method of organic amine / phosphorus co-doped manganese dioxide, and belongs to the technical field of material preparation and electrochemical energy storage. The method comprises the following steps: firstly, preparing a manganese dioxide precursor by reacting potassium permanganate and sodium thiosulfate; secondly, introducing organic amine for intercalation doping; and finally, carrying out phosphating treatment on the material by decomposing sodium hypophosphite under an inert atmosphere to obtain organic amine / phosphorus co-doped manganese dioxide. Through the synergistic effect of organic amine intercalation and phosphorus doping, the present application effectively expands the interlayer spacing of manganese dioxide, enhances the structural stability, optimizes the electronic structure and ion transmission kinetics. When the obtained material is used as a positive electrode of a water-based zinc ion battery, the material exhibits high specific capacity, excellent rate performance and long cycle life. The method is simple in process, mild in condition, environment-friendly, suitable for large-scale production, and has wide application prospects in the field of energy storage devices.

This invention discloses a sulfur-doped birch charcoal-based material, its synthesis method, and its application, belonging to the technical field of water pollution control and solid waste resource utilization. The invention involves high-temperature pyrolysis of birch powder under a nitrogen atmosphere to obtain birch-based biochar. The birch-based biochar is then mixed with sodium thiosulfate and ball-milled. The ball-milled product is subsequently separated, washed, and dried to obtain the sulfur-doped birch charcoal-based material. This material exhibits excellent adsorption capacity and extremely fast kinetics for Cr(VI) in water. In particular, the composite material with a sulfur doping content of 15 wt% shows a removal rate exceeding 94% within 6 minutes, with a maximum adsorption capacity of 71.4 mg / g. The sulfur-doped birch charcoal-based material prepared by this invention has good stability and excellent recyclability (efficiency > 83% after 5 cycles), demonstrating potential for practical application.

This invention discloses a swine vaccine diluent, its preparation method, and its application. The swine vaccine diluent is composed of sodium thiosulfate, porcine interferon, and water; by mass percentage, the amounts of each component are: sodium thiosulfate 0.5%-1.8%, porcine interferon 2.2%-4.2%, and the remainder is water; wherein the porcine interferon is a composite interferon composed of porcine interferon α, porcine interferon γ, and porcine interferon λ in a mass ratio of 9:13:11. The swine fever vaccine diluted with the swine vaccine provided by this invention exhibits good immunoprotective effect against swine fever virus and good safety. ELISA antibody detection results for swine fever virus show that the swine fever vaccine diluted with the swine vaccine diluent of this invention has a significantly higher blocking rate against swine fever virus than other vaccine diluents.

This invention relates to the field of electrochemical energy storage materials and lithium metal battery technology, specifically to an in-situ polymerized solid electrolyte, its preparation method and application, and lithium metal batteries. This in-situ polymerized solid electrolyte is prepared by heating a ring-opening polymerization reaction using 1,3-dioxolane and 1,1,1-trifluoro-2,3-epoxypropane as reactants, sodium thiosulfate as an initiator, and lithium salt and plasticizer fluoroethylene carbonate as a precursor solution. This electrolyte possesses numerous amorphous regions, which is beneficial for ion transport, enabling the formation of a self-supporting dense structure. It also ensures close contact with the electrode, resulting in a pure interface that effectively reduces interfacial impedance and avoids side reactions at the electrode interface. Furthermore, it enhances oxidation resistance, broadens the electrochemical window, and inhibits dendrite growth. While achieving good mechanical properties, it also improves the cycle stability and safety performance of the battery. It has excellent application prospects in lithium metal batteries, lithium-ion batteries, solid-state energy storage systems, or flexible electronic devices.