900 results about "Distilled water" patented technology

The invention relates to a method for preparing a lithium iron phosphate / carbon composite material of a lithium ion battery, which belongs to the technical field of lithium ion batteries. The method for preparing the lithium iron phosphate / carbon composite material of the lithium ion battery comprises the following steps of: 1) preparing a suspending graphene-dispersed aqueous solution system, namely, crushing graphite to 1 to 5 microns, adding the crushed graphite into distilled water or purified water, adding 0.1 to 5 percent of surfactant, heating with stirring the mixed solution to 180 to 250 DEG C in a sealing way, performing stirring for 2 to 6 hours and reducing the temperature; 2) crushing lithium iron phosphate to the particle size of 1 to 5 microns, adding the crushed lithium iron phosphate into the distilled water or the purified water, adding with stirring 0.01 to 1 percent of coupling agent, performing uniform stirring, adding the graphene-dispersed aqueous solution, and performing stirring and filtration; and 3) vacuum-drying solid powder obtained by the filtration, and calcinating the dried solid powder for 2 to 12 hours to obtain the graphene-coated lithium iron phosphate cathode material. The method has the advantages of simple process, high material performance, high conductivity, high bulk density, high compacted density and the like.

The invention relates to the technical field of solid waste recycling, in particular to a low-temperature fast-fired ceramic aggregate prepared from electrolytic manganese residues and a method thereof.The method comprises the steps that S1, the electrolytic manganese residues and low-temperature flux are subjected to ball milling and sieved through a 200-325-mesh sieve, and a fine powder blank is obtained; s2, 70-100 parts of electrolytic manganese residues and 2-20 parts of low-temperature flux are evenly mixed, and then a mixture is obtained; s3, adding an external binder into the mixture, aging, adding into a sugarcoating machine, stirring, and spraying distilled water to obtain a spherical ceramic aggregate green body; and S4, drying the spherical ceramic aggregate green body in a drying oven, and quickly firing in a silicon carbide rod furnace to obtain the ceramic aggregate subjected to low-temperature quick firing. The electrolytic manganese residues are rapidly sintered at the low temperature of 1000 DEG C or below, sulfur curing can be achieved, meanwhile, under the action of quartz particles, generated CaSO4 has the high specific surface area, heavy metal elements can be effectively adsorbed and subjected to solid solution, and full utilization of the industrial solid waste electrolytic manganese residues is achieved.

A preparation method of a bacteriostatic and antioxidant zein / hyaluronic acid degradable preservative film relates to the field of foods.The method comprises the steps that a zein-hyaluronic acid solution and a citrus polyphenol solution are mixed, distilled water is dropwise added, vacuum concentration is performed, the mixture is mixed with a laminarin solution, auxiliary materials are added, uniform mixing, bubble removing and film preparing are performed, and the preservative film is obtained. After drying, obtaining a zein-HA film of laminarin and citrus polyphenol; or mixing the zein-hyaluronic acid solution with the moringa oleifera leaf extract powder, dropwise adding distilled water, concentrating under reduced pressure, mixing with the laminarin solution, adding the sodium alginate solution and auxiliary materials, defoaming, pouring to form a film, and drying to obtain the zein-HA film of the laminarin and the moringa oleifera leaf extract. The synergistic effect among the substances of the protein film can effectively improve the fresh-keeping effect of the composite film, and the release property of the composite film can further improve the fresh-keeping effect on fresh-cut food.

The embodiment of the invention provides an evaporation system control method and an evaporation system, and relates to the technical field of control, the method is applied to a control system in an MVR evaporation system.The method comprises the steps that in response to a starting instruction, a feeding system is controlled to pump to-be-treated liquid into an evaporation crystallization system, and the real-time boiling point rise of the evaporation crystallization system is monitored; and determining to adopt an optimal recovery rate control mode or a boiling point rise control mode as a target control mode based on the real-time boiling point rise, and controlling the feeding system, the evaporative crystallization system and the water production system to treat the to-be-treated liquid according to a preset strategy corresponding to the target control mode, the frequency of the distilled water and the flow of the to-be-treated liquid pumped by the feeding system meet the corresponding recovery rate, so that the control intelligence and reliability of the MVR evaporation system are improved.

The invention relates to the technical field of high-molecular compound preparation, in particular to a high-molecular compound preparation method and system.The method comprises the steps that distilled water and boron nitride are added into a container containing silane monomers, stirring reaction is conducted for 3-5 h, and a hyperspectral image of a mixed solution in the container in the stirring reaction process is collected; the method comprises the following steps: acquiring spectral similarity factors of matched pixels in a hyperspectral image, judging the fullness degree of a stirring reaction according to the distribution characteristics of the spectral similarity factors of the pixels, completing the stirring reaction, mixing the prepared boron nitride modified organic silicon resin, silanol, polyester resin and a crosslinking catalyst, continuously reacting for 2-4 hours at 110-130 DEG C, adding an organic solvent, and uniformly stirring to obtain the boron nitride modified organic silicon resin. The solid content of the modified polyester resin is 62-66%. The invention aims to improve the performance and prolong the service life of the prepared modified polyester resin, and realizes the preparation method of the high-molecular compound.

The invention discloses a hydrolysis-resistant low-temperature-resistant bi-component nano acrylate grouting plugging material and a preparation method thereof. The plugging material is prepared by mixing a component A and a component B according to a volume ratio of 1: 1, the component A is prepared from the following components in parts by mass: 25 to 40 parts of acrylate, 12 to 20 parts of hydrolysis-resistant modified component, 3 to 8 parts of low-temperature-resistant functional component, 8 to 15 parts of nano modified filler, 0.3 to 0.8 part of cross-linking agent, 1.5 to 3.0 parts of accelerant, 0.3 to 0.6 part of pH regulator and 40 to 50 parts of deionized water; the component B is prepared from the following components in parts by mass: 1.5 to 2.5 parts of a composite initiator, 0.2 to 0.5 part of a low-temperature catalyst, 0.8 to 1.5 parts of a dispersion stabilizer, 0.3 to 0.8 part of a hydrolysis-resistant auxiliary agent and 90 to 100 parts of deionized water; the plugging material meets the following performance indexes: the 28d compressive strength is greater than or equal to 6.5 MPa, the strength retention rate is greater than or equal to 85% when the plugging material is soaked in distilled water at 50 DEG C for 30 days, the strength loss is less than or equal to 10% when the plugging material is frozen and thawed for 30 times at-30 DEG C, the 28d bonding strength with a concrete base material is greater than or equal to 2.5 MPa, the 0.1 mm micro-crack penetration depth at 25 DEG C is greater than or equal to 60 mm, and the setting time at 25 DEG C is 30 seconds to The method can effectively meet the requirement for leakage water treatment in the high-humidity and high-water-pressure environment of underground engineering in the cold region.

A WG-DNPs-stabilized Pickering emulsion and its application in β-carotene loading are disclosed. The emulsion is prepared by the following method: S1: Gluten protein and dextran form a covalent complex through Maillard reaction. The gluten protein complex is then prepared into a solution, and its pH is adjusted to neutral. The ionic strength of the solution is then adjusted to 15-25 mM using NaCl to obtain an intermediate solution. The intermediate solution is subjected to water bath heat treatment, ice bath cooling, and freeze drying sequentially to obtain WG-DNPs. S2: WG-DNPs are dispersed in distilled water to obtain a WG-DNPs dispersion. The WG-DNPs dispersion is mixed and homogenized with an oil phase to obtain the Pickering emulsion. This invention uses glycosylated gluten protein nanoparticles as a stabilizer for Pickering emulsions, giving the Pickering emulsions good thermal and storage stability. Furthermore, by loading β-carotene onto the Pickering emulsion stabilized by WG-DNPs, the bioavailability and digestive stability of β-carotene can be significantly improved, thus aiding in the human body's intake of β-carotene.

The present application provides a method for synergistically extracting polysaccharides from Kuding tea and an application of the polysaccharides in radiation protection. The extraction process of the polysaccharides comprises the following steps: subjecting the dried Kuding tea to steam explosion treatment, crushing the Kuding tea into particles with a size of 90-100 mesh, immersing the Kuding tea particles in distilled water, adding the solution into a microwave countercurrent extraction device, and simultaneously applying ultrahigh pressure for synergistic extraction to obtain an extraction solution. After centrifugation, the supernatant is collected, Sevage solution is added to remove proteins, and the supernatant is collected. Then, anhydrous ethanol is added to the supernatant, followed by centrifugation and freeze-drying to obtain the polysaccharides. The present application provides a method for synergistically extracting polysaccharides from Kuding tea, and it is found that the polysaccharides have a radiation protection effect, which provides a basis for further deep processing and a preparation method with a higher extraction rate.

A hydrocarbon cleaning agent recovery and industrial wastewater reduction device belongs to the technical field of evaporation and concentration and comprises a distillation kettle, an evaporator, a first partition plate heat exchanger, a second partition plate heat exchanger, a cleaning agent liquid storage tank and a distilled water liquid storage tank. The distillation still is connected with the first partition plate heat exchanger and the second partition plate heat exchanger through the evaporator, the first partition plate heat exchanger is connected with the cleaning agent storage tank, the second partition plate heat exchanger is connected with the distilled water storage tank, the first partition plate heat exchanger is connected with the distillation still, and the second partition plate heat exchanger is connected with the evaporator. The equipment can simultaneously treat waste cleaning agents and waste water, does not need a cooling-water machine of traditional recovery equipment and a core component compressor of an evaporator, greatly saves equipment cost, and greatly reduces waste liquid treatment cost.

The invention relates to a quercetin nanocrystal and a preparation method and application of a quercetin nanocrystal preparation, and the preparation method of the quercetin nanocrystal comprises the following steps: step 1, mixing a quercetin absolute ethyl alcohol solution and a geniposide aqueous solution, and centrifuging to obtain a precipitate; and 2, washing the precipitate with distilled water, discarding the supernatant, adding the precipitate into water, dispersing to obtain a quercetin-geniposide suspension, and freeze-drying to obtain the quercetin nanocrystal. The geniposide is used as a carrier to prepare the quercetin nanocrystal, the geniposide is used for regulating and controlling the morphology and size of the quercetin nanocrystal to enable the quercetin nanocrystal to play a synergistic effect, and the effect of the quercetin on treating ulcerative colitis is greatly improved.

The invention discloses a hawthorn, hippophae rhamnoides fruit and red date compound beverage with an anti-caries function and a preparation method thereof, and relates to the technical field of compound beverages. The preparation method comprises the following steps: crushing dried hawthorn for later use without specific particle size limitation so as to meet the contact requirement of subsequent extraction), sea-buckthorn primary pulp (without additional pretreatment requirement so as to ensure no spoilage) and red date primary pulp (with the quality requirement of the sea-buckthorn primary pulp); the specifications of the auxiliary materials and the solvent are as follows: stevioside (food grade, the purity meets the industrial standard), erythritol (food grade, white crystalline), distilled water (meeting the standard of pure water for food processing) and absolute ethyl alcohol (analytically pure and used for polysaccharide alcohol precipitation); according to the process, ultrasonic-assisted heat extraction, alcohol precipitation and freeze drying are taken as a core process, and the polysaccharide extraction rate of more than or equal to 15.5% is realized by optimizing extraction parameters.

The invention discloses moisture-proof and moisture-retaining frame paper and a preparation method thereof, and relates to the technical field of frame paper.The moisture-proof and moisture-retaining frame paper comprises a body paper layer, the body paper layer is provided with a water-based moisture-retaining coating, the water-based moisture-retaining coating is formed by drying coated water-based moisture-retaining coating liquid, and the water-based moisture-retaining coating liquid is coated on the body paper layer. A composite aluminum foil layer or a transfer aluminum plating layer is also arranged on the water-based moisture-retaining coating; the water-based moisture-retaining coating liquid comprises starch, acrylic acid, organic bentonite, alkali, an initiator, a cross-linking agent and distilled water; wherein the mass ratio of the starch to the acrylic acid to the organic bentonite is (7-8): (15-20): (1-1.5); the mass of the distilled water is 10-12 times of the total mass of the starch, the acrylic acid and the organic bentonite; the mass of the initiator is 0.5-0.8% of that of the acrylic acid; the mass of the cross-linking agent is 0.1-0.2% of that of the acrylic acid; in terms of-OH, the mole number of the alkali is 70-80% of that of the acrylic acid. The frame paper is provided with the water-based moisture-retaining coating and is excellent in moisture-proof and moisture-retaining performance.

The application belongs to the technical field of oil and gas field development, and particularly relates to a temperature-resistant and salt-resistant foaming agent for drilling and a synthesis method thereof. The synthesis method is as follows: diphenylamine-4-sodium sulfonate, isopropyl alcohol and 1,3-dibromopropane are added into a four-necked flask, stirred, heated and refluxed to obtain a mixed solution; 90-95wt% of isopropyl alcohol in the mixed solution is distilled off under reduced pressure, distilled water is added, and the whole is transferred into a separatory funnel, fully shaken, separated, and a small amount of oil phase is discarded; the pH is adjusted to 2-3, a precipitate is separated out, suction filtration is performed, and an intermediate is obtained; the intermediate is transferred into a four-necked flask with isopropyl alcohol, sodium bromoethyl sulfonate is added, the pH is adjusted to 7-8, and the product solution is obtained by heating and refluxing; the product is obtained by vacuum distillation, recrystallization and drying. The foaming agent for drilling has the advantages of good temperature resistance, salt resistance and salinity resistance.

The invention discloses an energy-saving multi-effect distilled water machine, and relates to the technical field of distilled water preparation, and the energy-saving multi-effect distilled water machine comprises the following steps: S1, shunting and preheating raw material water; s2, multi-effect evaporation; s3, waste heat recovery and heat allocation; s4, condensation and temperature control of produced water; and S5, discharging in accordance with standards. According to the energy-saving multi-effect distilled water machine, by integrating core processes such as split-flow preheating, multi-effect evaporation, waste heat recovery and heat allocation and matching three types of independent special heat exchangers and a heat allocation control module, distribution and efficient utilization of waste heat according to needs are achieved, and the problem of waste heat waste or insufficient preheating in a traditional fixed distribution mode is solved; the heat exchange effect is optimized through the atomization water distributor, stable output of follow-up waste heat is guaranteed, extra cooling water is not needed in all heat exchange processes, the equipment structure is simplified, and the automation level of the system is improved through the overall scheme.

The invention discloses a preparation method for improving the deacetylation degree of chitosan, which comprises the following steps: step S1, crushing crab shells, cleaning the processed eriocheir sinensis shells, drying at 65 DEG C, grinding the dried crab shells, and sieving with a 100-mesh sieve to prepare crab shell powder; s2, plasma pretreatment: mixing the crab shell powder with distilled water according to the ratio of 1: 20 (w / v), performing pretreatment by adopting atmospheric pressure plasma jet, putting a beaker loaded with a crab shell powder solution into a 180 rpm magnetic stirrer, treating for 60 minutes under the conditions that the power is 750 W and the gas flow is 1.2 L / min, washing to be neutral, and drying at 65 DEG C to obtain the plasma pretreated crab shell powder, the deacetylation degree of chitosan is increased by 4-7% through plasma pretreatment, the product purity is equivalent to that of commercial chitosan, and the production cost is saved; the performance of the chitosan extracted by the method is superior to that of chitosan extracted by a traditional chemical extraction method.

The invention discloses an embedding method for stabilizing and slowly releasing beta-carotene. The embedding method comprises the following steps: selecting soybean oil; the stirring conditions are as follows: 300 r / min and 75 DEG C; preparing a water phase: stirring 80 kg of maltodextrin and 20 kg of cane sugar at 50 DEG C until 200 kg of distilled water is completely dissolved; the homogenizing conditions are as follows: the high-speed mixing and shearing emulsifying machine shears for 5 minutes at the speed of 17000 r / min, and the high-pressure homogenizing machine homogenizes for 2 minutes at the pressure of 20 MPa; the spray drying conditions are as follows: the pressure is 0.5 MPa, the inlet temperature is 170 DEG C, and the flow rate is 10 mL / min. The particle size D of the optimized beta-carotene microcapsule product is 95lt; according to the present invention, the prepared nano-particles have characteristics of uniform particle size, 300 nm, embedding rate of 94.2%, good stability in the 90-day storage period, and significantly improved solubility.

The invention discloses a method for improving the biomass and flavone content of a saussurea involucrata cell culture, which comprises the following steps of: culturing yellow-white saussurea involucrata callus on a culture medium at the temperature of 24 DEG C, illuminating for 16 hours / day, subculturing once every 15 days and subculturing for three times to obtain yellow-white or yellow-green callus which grows vigorously and is compact in structure; the preparation method of the culture medium comprises the following steps: weighing MS, cane sugar, naphthylacetic acid, 6-benzyladenine, coconut extract and agar in a container, adding distilled water, fully stirring, fixing the volume to 1 L, uniformly stirring, and adjusting the pH value to obtain a basic culture solution; carrying out high-pressure sterilization on the basic culture solution, pouring a flat plate, and cooling to obtain a culture medium; wherein the coconut extract is one or two of coconut water or coconut milk. By adding coconut water or coconut milk, the biomass of the saussurea involucrata callus can be remarkably increased in cooperation with the MS culture medium, and compared with an existing report, the increasing multiple is 2-3 times that of the existing report.

The invention relates to the technical field of traditional Chinese medicine tablet production, in particular to a production process and device of traditional Chinese medicine component tablets for treating cerebral arterial thrombosis, and the process comprises the following steps: squeezing celery and pumpkin vines in a juice squeezer, and sequentially filtering, deoxidizing and vacuum freeze-drying to obtain fine powder for later use; soaking salvia miltiorrhiza, pseudo-ginseng, ginkgo leaves, astragalus membranaceus and liquorice in a container, boiling, and mixing the two extracting solutions for later use; the preparation method comprises the following steps: putting naffide and betahistine into a container, adding distilled water, and uniformly stirring to obtain a solution for later use; and mixing the obtained fine powder, the filtrate and the solution, adding distilled water, then carrying out spray granulation, then carrying out tabletting forming, then carrying out drying again, and carrying out sealed packaging. The production device comprises a granulating structure, a forming structure and a feeding communicating structure. The traditional Chinese medicine component tablet can soften blood vessels, promote blood circulation and quickly and effectively treat cerebral arterial thrombosis, meanwhile, the production process is simple, the production efficiency is high, and industrial production is easy to achieve.

The invention provides an extraction method of coconut globulin, and relates to the technical field of coconut protein extraction. The method for extracting the coconut globulin comprises the following steps: removing albumin from defatted coconut powder by using distilled water, performing nitrogen pressure-boosting drying, mixing with a NaCl solution with relatively low concentration, performing high-voltage pulse electric field circulation treatment, stirring and extracting the NaCl solution, freeze-drying, redissolving, dialyzing and purifying to obtain the coconut globulin. According to the method, the defects in the prior art are overcome, and the extraction rate of the coconut globulin and the purity of the final product are improved while the good stability and emulsibility of the coconut globulin are ensured.

The application discloses a silicon-doped modified ZnSn(OH)6 photocatalyst and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The preparation method comprises the following steps: (1) mixing Zn(Ac)2.2H2O solution, SnCl4.5H2O solution, NaOH solution, Na2SiO3.9H2O, methyl cellulose solution and distilled water to obtain a mixed solution; and (2) heating the mixed solution to synthesize the silicon-doped modified ZnSn(OH)6 photocatalyst. The product is prepared by using a hydrothermal synthesis method, the method can easily obtain a material with high crystallinity, the morphology and size of the material can be better controlled, the method is easy to operate, and the prepared silicon-doped modified photocatalyst has the characteristics of stable activity, fast carrier migration rate and high separation efficiency, and has excellent catalytic performance on methylbenzene volatile organic pollutants, and has a wide application prospect in the field of environmental pollution control.

The application discloses a kind of special sulfur-based compound fertilizer of leaf vegetable, preparation method and device, belong to compound fertilizer preparation technical field.The preparation of the compound fertilizer includes the following steps: sulfur, anhydrous ethanol are mixed and stirred, constant temperature oscillation, stand until clear state, take supernatant and mix with distilled water, oscillation, add sodium dodecyl sulfate, oscillation, add coating agent, oscillation, obtain material B, stand by;Ammonia is introduced into phosphoric acid to adjust to pH 4.3-4.8, filter pressing, collect filtrate to obtain feed liquid D;Material B is filtered, and the filter residue is collected and mixed with feed liquid D, guar gum and locust bean gum are added, oscillation is carried out, a mixed slurry is obtained, granulation is carried out, drying is carried out, screening is carried out, and cooling is carried out, to obtain the compound fertilizer, improve the sulfur and phosphorus ammonium slurry combination degree, avoid the loss of fertilizer efficiency, prevent the occurrence of safety hazards.

This invention belongs to the field of pharmaceutical chemistry, and specifically relates to a compound antifungal cream containing the traditional Chinese medicine ingredient tryptamine ketone and its application. The invention comprises the following components, with the following percentage content: stearic acid 10%~16%, glyceryl monostearate 3%~7%, liquid paraffin 5%~9%, tryptamine 0.1%~0.01%, terbinafine hydrochloride 0.00625%~0.000625%, glycerin 4%, triethanolamine 2%~6%, ethylparaben 0.5%, and the balance being purified water or distilled water. This invention is highly effective, low in toxicity, and exhibits low drug resistance.

The application belongs to the technical field of material application, and particularly relates to a graphitized carbon material and a preparation method and application thereof, the preparation method of the graphitized carbon material is as follows: (1) D-(+)-xylose powder and transition metal salt powder are weighed and uniformly ground; (2) after sieving, calcination is carried out under an inert gas atmosphere; (3) after grinding and sieving of the calcined product, washing is carried out with 1.0 mol / L dilute hydrochloric acid solution, then washing is carried out with distilled water and drying is carried out, to obtain the graphitized carbon material, the graphitized carbon material has high adsorption efficiency on aflatoxin B1 (AFB1) in vegetable oil, and in combination with magnetic solid phase extraction (MSPE) and high performance liquid chromatography-fluorescence detection (HPLC-FLD) technology, the detection limit is as low as 2.0 pg·g ‑1 The graphitized carbon material has excellent regeneration performance, and the material consumption and cost in the detection process are significantly reduced.

This invention discloses the application of green tea acidic polysaccharide GTPS in improving metabolic syndrome, aiming to provide a new use for green tea acidic polysaccharide GTPS. The extraction process involves first grinding green tea into powder, boiling, filtering, deproteinizing using the Seval method, concentrating, adding ethanol, allowing it to stand overnight, centrifuging to collect the precipitate, dissolving it, removing the ethanol, and freeze-drying to obtain GTPSs. The GTPSs are then passed through a DEAE-agarose FF column, eluted with distilled water and 0.2, 0.5, and 1.0 mol / L sodium chloride, and the fractions are collected. The fraction eluted with 0.2 mol / L sodium chloride is dialyzed to desalt, yielding green tea polysaccharide GTPS. Applying this to the improvement of metabolic syndrome provides a solid foundation for revealing the key active components in green tea that promote metabolism and paves the way for the future utilization of tea polysaccharides in the pharmaceutical and food industries, offering a promising solution for the integration of tea resources and the application of natural products.

The present application relates to the technical field of molecular sieve preparation, and particularly relates to a mesoporous pore size adjustable SAPO-34 / pure silicon molecular sieve and a preparation method thereof, which comprises the following steps: uniformly stirring an aluminum source, a silicon source, a phosphorus source, a structure directing agent and distilled water to obtain an initial gel; placing the initial gel in a reaction kettle and performing hydrothermal crystallization in a static oven; sequentially performing filtration, washing, drying and calcination on the obtained product to obtain a SAPO-34 molecular sieve; adding the SAPO-34 molecular sieve into a functional solution of a cationic surfactant, performing water bath heating, and sequentially performing filtration, washing, drying and calcination on the obtained product to obtain a mesoporous pore size adjustable SAPO-34 / pure silicon molecular sieve; wherein the functional solution of the cationic surfactant comprises a cationic surfactant, an organic alcohol, a silicon source, an organic base and distilled water. The preparation method of the present application significantly improves the service life of the SAPO-34 / pure silicon molecular sieve as a catalyst in MTO reaction and the selectivity of the SAPO-34 / pure silicon molecular sieve to low carbon olefins.

The utility model discloses a water-in-oil calibration instrument which comprises an oil liquid supply assembly, a distilled water supply assembly and a mixing detection assembly, and the oil liquid supply assembly is provided with an oil conveying end and is used for quantitatively conveying pure oil; the distilled water supply assembly is provided with a water conveying end for quantitatively conveying distilled water; the mixing detection assembly comprises a mixing container, a detection mechanism and a circulation path, the mixing container is connected and communicated with the oil conveying end and the water conveying end and used for mixing distilled water and pure oil, and the circulation path is connected between the mixing container and the detection mechanism. Pure oil and distilled water are supplied in a quantitative proportion through the oil liquid supply assembly and the distilled water supply assembly, are gathered in a mixing container of the mixing detection assembly, and are continuously stirred and mixed under the circular flow of a circulating path, so that oil and water are prevented from being layered, and the oil and water are fully mixed and circularly flow through the detection mechanism; and the continuously and circularly flowing oil-water mixed liquid is dynamically detected.

The present invention generally relates to a method for synthesizing dysprosium-doped copper-zinc ferrite nanomaterials with enhanced structural and functional properties. The method comprises dissolving stoichiometric quantities of copper nitrate trihydrate, zinc nitrate hexahydrate, iron nitrate nonahydrate, and dysprosium nitrate hexahydrate in distilled water to prepare an oxidizer solution. A fuel mixture is separately prepared using urea and glucose in equal proportions by weight. The oxidizer and fuel mixtures are combined in 1:1 ratio, calculated based on their respective oxidizing and reducing valencies, to form a homogeneous precursor solution. This solution is stirred thoroughly for about one hour and subsequently transferred to a Pyrex dish. The dish is placed in a muffle furnace preheated to approximately 450° C., where the solution undergoes a self-sustained combustion reaction, yielding a fine, porous Cu0.5Zn0.5DyxFe2-xO4 ferrite powder within 20 minutes. The resultant powder is ground to achieve uniform particle distribution suitable for advanced applications.

The utility model discloses a wastewater treatment device. The wastewater treatment device comprises a first filter press, a drying mechanism, a first liquid storage tank, an oxidation mechanism and a second filter press, the drying mechanism is arranged at the downstream of the first filter press; the first liquid storage tank is arranged at the downstream of the drying mechanism and is used for storing distilled water generated by the drying mechanism; the oxidation mechanism is arranged at the downstream of the first liquid storage tank and is used for carrying out oxidative degradation on the distilled water in the first liquid storage tank; and the second filter press is arranged at the downstream of the oxidation mechanism. After positive electrode slurry wastewater is subjected to filter pressing, filter residues are subjected to hazardous waste treatment, filtrate enters the drying mechanism and is dried at low temperature in the drying mechanism, generated solid waste is also subjected to hazardous waste treatment, generated distilled water enters the first liquid storage tank to be stored, and then the distilled water is input into the oxidation mechanism to be subjected to oxidative degradation; and after degradation, inputting into a second filter press for filter pressing treatment. The wastewater treatment device can be used for treating the positive electrode slurry wastewater, and is relatively short in process chain and relatively low in cost. The utility model further discloses a lithium battery preparation system.

The invention relates to an uncaria alkaloid extract as well as a preparation method and application thereof. The method comprises the following steps: heating and leaching uncaria stem and branch powder with acidic ethanol to obtain an acid alcohol leaching solution; carrying out reduced pressure distillation and concentration on the leach liquor to obtain an uncaria total alkaloid extract; removing acid-insoluble substances from the total alkaloid extract, degreasing, adjusting alkali, extracting with chloroform, and recovering a chloroform layer to obtain uncaria crude alkaloid; and dissolving the uncaria crude alkaloid in distilled water, adding into a macroporous resin chromatographic column, adsorbing, flushing, eluting by using a 20% ethanol solution with five column volumes, and collecting the eluent to obtain the uncaria alkaloid extract. The ramulus uncariae cum uncis alkaloid extract PURA1 has the effects of improving the pathological phenotype of the Alzheimer's disease model caenorhabditis elegans and improving the oxidative stress resistance of the caenorhabditis elegans, plays a role in prolonging the service life of the caenorhabditis elegans by regulating and controlling the p38MAPK signal channel of the caenorhabditis elegans, and can be used for preparing the medicine for relieving the Alzheimer's disease and resisting aging.

This application relates to the field of synthesis technology of lithium-ion battery electrolyte additives, specifically to a synthesis process of 1,3-propanedisulfonyl fluoride. The synthesis process includes the following steps: S1. Adding 1,3-propanedisulfonyl chloride and potassium fluoride to a reaction vessel; S2. Adding distilled water as a reaction solvent to the reaction vessel and refluxing under stirring; S3. After the reaction solution has settled and separated into layers, separating and collecting the oil phase, adding toluene and activated carbon to the oil phase, and refluxing for decolorization; S4. Performing a first crystallization treatment on the decolorized solution, followed by filtration, and washing the filter cake obtained from the filtration; S5. Collecting the filtrate obtained after the first washing and performing a second crystallization treatment, followed by filtration again; S6. Vacuum drying the filter cake obtained in steps S4 and S5 to obtain 1,3-propanedisulfonyl fluoride. This application features mild reaction conditions, simple operation, low cost, and environmental friendliness.