2524 results about "Inorganic salts" patented technology

The invention relates to the technical field of organic synthesis, and discloses a preparation method of bromo-pyrrole nitrile. The method comprises the following steps: (1) mixing p-chlorophenylglycine, acetonitrile, trifluoroacetic acid and a catalyst, then dropwise adding acyl chloride and carrying out acylation reaction, and after the reaction is completed, purging with an inert gas; (2) under the inert gas, mixing the mixture obtained in the step (1) with inorganic salt, then dropwise adding 2-chloroacrylonitrile, carrying out cyclization reaction, and separating a liquid phase from the obtained mixture; and (3) under the inert gas, mixing the liquid phase obtained in the step (2), hydrobromic acid and hydrogen peroxide, carrying out a bromination reaction, then extracting with acetonitrile to obtain an acetonitrile layer, then removing the acetonitrile, and then carrying out cooling crystallization to obtain the bromo-pyrrolenitrile. According to the technical scheme, the reaction yield is high, different solvents do not need to be frequently replaced, and the solvents can be recycled.

The invention discloses a soluble alkaline salt scale inhibitor and a preparation method thereof, and belongs to the technical field of oilfield chemistry. The soluble alkaline salt scale inhibitor is prepared from amphiphilic modified graphene oxide, a surfactant, inorganic salt and deionized water, the amphiphilic modified graphene oxide contains a large amount of carboxyl groups, sulfonic acid groups, hydroxyl groups and the like, and has good metal ion chelating property; meanwhile, through the hydrophobic association effect and hydrogen-bond interaction between modified graphene grafted long carbon chains, the bonding probability between sodium ions of the soluble saline-alkali salt and bicarbonate radicals, carbonate radicals and chloride ions is further weakened, and through the synergistic effect of the amphiphilic modified graphene oxide, the surfactant and the inorganic salt, the salt scale inhibition effect is further improved; the method is especially suitable for soluble alkali salt water quality conditions of high temperature, high alkali and high salinity, can solve the problems of oilfield water injection, fracturing flowback strata and wellbore salt deposition, and has a good popularization prospect.

The invention relates to a preparation method of a tricholoma matsutake fermentation product with anti-wrinkle and firming effects as well as a product and application of the tricholoma matsutake fermentation product. The preparation method comprises the following steps: mixing a composite plant extract, a carbon source, inorganic salt and water, then sterilizing to obtain a sterilized culture medium, inoculating a composite probiotic agent into the medium, and carrying out fermentation culture to obtain the tricholoma matsutake fermentation product with anti-wrinkle and firming effects. Centrifuging, filtering and sterilizing the culture product to obtain a tricholoma matsutake fermentation product; the bacterial strains in the compound probiotic agent comprise a combination of streptococcus thermophilus, a lactobacillus paracasei YK-L003 bacterial strain and a saccharomyces cerevisiae YK-S001 bacterial strain. According to the invention, specific strains are subjected to compounding and combined fermentation, and the fermentation product filtrate obtained after fermentation treatment of the three strains has an excellent skin conditioning effect, can effectively improve the skin state and resist and weaken wrinkles, and has an excellent effect when being applied to moisturizing and anti-wrinkle cosmetics.

The invention discloses a gel solid electrolyte, a preparation method thereof and a lithium ion battery, and relates to the technical field of batteries. The gel solid electrolyte comprises the following components: a solvent, a lithium salt, an inorganic salt or an organic small molecule additive, an ester cross-linking agent polymeric monomer, a silazane polymeric monomer, a diluent and an initiator, the invention also provides a lithium ion battery comprising the gel solid electrolyte and a preparation method of the lithium ion battery. The preparation method has the beneficial effects that by introducing the silazane polymeric monomer and the ester cross-linking agent polymeric monomer, the silazane polymeric monomer and the ester cross-linking agent polymeric monomer can be subjected to a copolymerization reaction, so that in-situ curing of the electrolyte is realized. The silazane fragment in the high-molecular polymer skeleton can effectively realize the constraint on strong Lewis acid substances such as PF5 and can also remove hydrofluoric acid and trace water so as to realize the protection of positive and negative active materials.

The invention provides novel liquid-liquid phase separation microparticles (LLPS MPs) as well as a preparation method and application thereof. The liquid-liquid separation (LLPS) system is micron liquid drops formed by driving under the electrostatic attraction effect of positively charged polyelectrolyte and negatively charged inorganic salt or organic salt in an aqueous solution. Polyoxometallate (POM) is used to stabilize it by electrostatic attraction and precipitate LLPS MPs having a ridge structure. According to the preparation method, [{(B-alpha-PW9O34) Co3 (OH) (H2O) 2 (O3PC (O) (C3H6NH3) PO3)} 2Co] 14-(Co7-POM) with photocatalytic water oxidation activity is selected to deposit micron particles, so that the micron particles have enhanced photocatalytic water oxidation activity, and meanwhile, the micron particles can be recycled through simple and feasible solid-liquid separation.

The invention discloses a mother strain culture medium for boletus xylophilus as well as a preparation method and application of the mother strain culture medium, and belongs to the technical field of microbial culture. The preservation number of the strain JSJ-Bx1 of the boletus sinensis mother strain is CGMCC (China General Microbiological Culture Collection Center) No.42007, and the strain JSJ-Bx1 is preserved in the China General Microbiological Culture Collection Center; the culture medium is prepared from 10-30 g of a carbon source, 2-6 g of a nitrogen source, 1-3 g of inorganic salt, 0.1-0.3 g of a growth factor suitable for the culture medium, 20 g of agar and 1 L of water, and the pH of the culture medium is 4-6. By the adoption of the culture medium, hyphae of the boletus sinensis mother strain grow fast, grow vigorously and are dense, the edges of bacterial colonies are neat, hypha degeneration phenomena such as pigment and water spitting are avoided, and the mother strain culture growth cycle is greatly shortened.

The invention provides a carbon mineralization structure supercapacitor and a preparation method and application thereof. The supercapacitor with the carbon mineralization structure comprises an electrode, the electrode comprises a carbon mineralization gel material, a carbon conductive material and foam metal, and the carbon conductive material is distributed in a three-dimensional space formed after the carbon mineralization gel material is carbonized and wraps the foam metal together; the electrodes are arranged on the two sides of the solid electrolyte layer, and the preparation raw materials of the solid electrolyte layer comprise a carbon mineralization cementing material, bicarbonate, a fiber material, a porous micro-nano material, an air entraining agent and an inorganic salt aqueous solution, raw materials for preparing the solid electrolyte layer are mixed, pressed and carbonized to form the solid electrolyte layer. The carbon mineralization structure supercapacitor provided by the invention breaks through the bottlenecks of low strength and poor energy storage performance of a traditional cement-based capacitor, has excellent mechanical properties and electrical properties at the same time, and is low in cost and environment-friendly.

The invention relates to an electrolyte, a secondary battery and an electric device. The electrolyte comprises a first additive, a second additive and a third additive, the first additive comprises inorganic salt containing elements; the second additive comprises a compound containing an unsaturated bond, and the reduction potential of the compound containing the unsaturated bond is larger than or equal to 0.8 V (Li < + > / Li); the third additive comprises a compound containing an amide group; by adding the first additive, the second additive and the third additive into the electrolyte, the high-temperature performance and the low-temperature performance of the secondary battery can be improved at the same time.

The invention discloses a method for preparing calcium hydroxide slurry with high specific surface area and high pore volume, which comprises the following steps: S1, adding an alcohol reagent into water to obtain a solution A; s2, adding an inorganic salt solution into the solution A, and uniformly mixing to obtain a solution B; s3, a reagent X is added into the solution B, ultrasonic mixing is performed to obtain a solution C, and the reagent X is a mixture of phenol or triethanolamine, ethidene diamine and ethylamine; and S4, adding calcium oxide powder into the solution C, continuously stirring, and reacting to obtain calcium hydroxide slurry. The invention provides a method for preparing calcium hydroxide slurry with high specific surface area and high pore volume, the calcium hydroxide slurry prepared by the method can form calcium hydroxide with high specific surface area and high pore volume when in use, and the method aims to solve the problems of low specific surface area and low pore volume of the existing calcium hydroxide. Therefore, the problem of desulfurization performance inactivation caused by blockage of calcium hydroxide (desulfurizer) pores by generated CaSO3 and CaSO4 in the desulfurization process is avoided.

The invention belongs to the technical field of biological fermentation and cosmetics, and particularly relates to a cortex magnoliae officinalis fermented product with oil-controlling and dandruff-removing effects as well as preparation and application of the cortex magnoliae officinalis fermented product. The preparation method comprises the following steps: performing ethanol ultrasonic extraction on officinal magnolia bark powder to obtain an officinal magnolia bark extract; adding mangnolia officinalis, honeysuckle, green tea and pericarpium citri reticulatae powder into pure water, performing enzymolysis treatment by adopting cellulase and pectinase, then adding a carbon source, prebiotics and inorganic salt, performing high-temperature sterilization, performing cooling, then adding a mangnolia officinalis extract, and performing uniform mixing so as to obtain a fermentation culture medium; the method comprises the following steps: inoculating an aspergillus seed solution and a saccharomyces cerevisiae seed solution into a fermentation culture medium for first-step fermentation, heating and inactivating, cooling, inoculating fruit wine yeast for second-step fermentation, and sterilizing at high temperature, cooling and filtering after fermentation to obtain filtrate which is the cortex magnoliae officinalis fermented product with the effects of controlling oil and removing dandruff. According to the preparation method, enzymolysis and fermentation technologies are combined, and the honeysuckle, the green tea and the pericarpium citri reticulatae are fermented together, so that the antibacterial, anti-dandruff and oil-control effects of the mangnolia officinalis can be synergistically improved.

The invention belongs to the technical field of adhesives, and particularly relates to a dynamic balance UV adhesive as well as a preparation method and application thereof. The invention relates to a UV (ultraviolet) coating which comprises the following components in parts by weight: 10-30 parts of acrylic resin containing polyurethane carbon-carbon double bonds, 10-30 parts of acrylate monomer containing carbon-carbon double bonds, 0.2-3 parts of photoinitiator, 40-60 parts of inorganic salt and 0.1-1 part of flatting agent. According to the prepared dynamic balance UV adhesive, carbon-carbon double bonds of an acrylic resin body are subjected to polymerization cross-linking after UV irradiation, through rapid cross-linking with acrylic resin, the density range is 1.5-3.1 g / cm < 3 >, an interpenetrating structure is formed with inorganic salt, the adhesive using amount during dynamic balance of an electronic fan can be reduced, meanwhile, the surface drying time is prolonged (1-3 seconds), and the service life of the electronic fan is prolonged. Therefore, automatic dynamic balance of electronic fan products is realized.

The invention provides a clostridium endophyllum engineering bacterium as well as a construction method and application thereof, and belongs to the technical field of biology, compared with a wild type strain, the clostridium endophyllum engineering bacterium can only produce acetic acid in a low-pH environment under the condition of taking CO2 and H2 as raw materials, and does not generate by-products such as ethanol, lactic acid, 2, 3-butanediol and the like. Besides, the fermentation liquor of the clostridium endophyllum engineering bacteria can be directly used as an acidic substrate to adjust the pH value of downstream yeast fermentation liquor, meanwhile, automatic addition of a carbon source is achieved, zero addition of inorganic salt in the cascade conversion process from CO2 and H2 to grease or yeast protein is achieved, and the economical efficiency and environmental friendliness of the whole process are improved.

The present invention relates to the technical field of nanofiltration membranes, and particularly relates to a high-temperature resistant nanofiltration membrane and a preparation method thereof. The nanofiltration membrane is prepared by this method. The method includes preparing a nano-layer; coating a CHO-SiO2 nano-particle solution with a required mass concentration on the surface of a porous support layer to form a base membrane containing the nano-layer; preparing a high-temperature resistant nanofiltration membrane; immersing the base membrane in an aqueous solution, taking out the base membrane after the first immersion treatment and air-drying the water droplets on its surface; secondly, immersing the base membrane in an oil-phase solution, taking out the base membrane after the second immersion treatment and performing a drying treatment to obtain a high-temperature resistant nanofiltration membrane; the aqueous solution includes polyamine, an acid absorbent, inorganic salts and a first organic solvent; the polyamine is a bis-benzene N-heterocyclic derivative; the oil-phase solution includes polyacyl chloride. The present invention can solve the problem that the directly introduced nano-particles are liable to fall off after film formation in the prior art.

The invention belongs to the field of moisture absorption materials, and discloses a temperature-sensitive hydrophilic-hydrophobic reversible conversion low-temperature regenerated moisture absorption material and a preparation method and application thereof. The temperature-sensitive hydrophilic-hydrophobic reversible conversion low-temperature regenerated moisture absorption material comprises a polymer matrix and inorganic salt, the polymer matrix is a copolymer of a temperature-sensitive monomer and a hydrophilic monomer, and the inorganic salt is loaded inside and on the surface of the polymer matrix. The hygroscopic material prepared by the method has reversible transition from a hydrophilic state to a hydrophobic state near the lowest phase transition critical temperature; the material is in a hydrophilic state during moisture absorption and is in a hydrophobic state during desorption, and the material has excellent moisture absorption performance and low-temperature desorption regeneration performance; the lowest phase transition critical temperature can be adjusted according to actual requirements to adapt to different moisture absorption application scenes, the polymer gel moisture absorption material is a ternary system, the three components achieve breakthrough improvement of the moisture absorption-desorption performance through the multi-stage synergistic effect, and a new normal form is provided for environment self-adaptive material design.

The invention provides a waste incineration fly ash component regulation and directional conversion treatment method, and belongs to the technical field of solid waste treatment. The method comprises the steps that S1, the waste incineration fly ash is subjected to primary washing to remove most of soluble chlorine salt and heavy metal, solid obtained after solid-liquid separation is subjected to forced leaching with recycled water or clear water, and fly ash obtained after washing and washing waste liquid are obtained; s2, preparing a core-shell structure Fe2O3 / Fe / C composite catalyst, mixing the core-shell structure Fe2O3 / Fe / C composite catalyst with the washed fly ash, granulating, performing catalytic pyrolysis in an inert or micro-aerobic environment, and cracking dioxin organic matters; s3, the washing waste liquid is pretreated and then subjected to segmented evaporation-selective crystallization, and inorganic salt components are recycled according to quality; and flue gas is introduced into the incinerator for synergistic heat treatment. According to the method, inorganic salt and soluble heavy metal in the fly ash can be removed, directional catalytic cracking of dioxin is promoted, the inorganic salt is recycled, and reduction, harmlessness and recycling of the fly ash are achieved.

The invention belongs to the field of microalgae-fungus bioengineering and the technical field of lignin wastewater treatment, and discloses a method for synthesizing grease by utilizing lignin wastewater through microalgae-fungus co-culture, which comprises the following steps: (1) inoculating microalgae into a first culture medium to obtain a microalgae seed solution; the microalgae is chlorella; inoculating the fungal spores into a second culture medium, and carrying out shake cultivation to obtain fungal pellets, so as to obtain a fungal seed solution; the fungi are cunningham echinophora; preparing lignin wastewater, adding culture medium inorganic salt into the lignin wastewater, and sterilizing to obtain a lignin wastewater culture medium; and (2) co-inoculating the fungus seed solution and the microalgae seed solution into a lignin wastewater culture medium for co-culture to obtain the microalgae-fungus symbiont synthesized with grease. According to the method, the lignin wastewater is treated through co-culture of microalgae and fungi, removal of organic pollutants in the lignin wastewater and enrichment of lignin can be synchronously and effectively achieved, and the yield of grease is increased.

The invention relates to a preparation method of a white truffle fermentation product with an anti-oxidation effect as well as a product and application of the white truffle fermentation product. The preparation method comprises the following steps: mixing a composite plant extract, inorganic salt, water and a composite probiotic agent for fermentation culture, and centrifuging, filtering and sterilizing a culture product to obtain the white truffle fermentation product, the strains in the compound probiotic agent comprise a combination of streptococcus thermophilus, saccharomyces cerevisiae boulardii, a plant lactobacillus YK-L002 strain and a saccharomyces cerevisiae YK-S001 strain. According to the invention, specific strains are subjected to compounding and combined fermentation, and the fermentation product filtrate obtained after fermentation treatment of four bacteria has an excellent skin conditioning effect, can effectively improve the skin state, significantly resist oxidation and resist and weaken wrinkles, and has an excellent effect when being applied to moisturizing and anti-oxidation cosmetics.

The invention relates to a method for preparing a high-quality quasi-two-dimensional perovskite thin film on a gallium nitride substrate, and relates to the technical field of semiconductors. The method for preparing the high-quality quasi-two-dimensional perovskite thin film on the gallium nitride substrate comprises the following steps: cleaning the gallium nitride substrate, and carrying out Plasma treatment; spin-coating a perovskite precursor solution on the processed gallium nitride substrate; the solute of the perovskite precursor solution is butylamine bromide powder, lead bromide powder and cesium bromide powder, and the solvent is a mixed solution of DMF (Dimethyl Formamide) and DMSO (Dimethylsulfoxide); adding a brominated metal salt into the perovskite precursor solution; and performing thermal annealing treatment on the perovskite thin film. According to the invention, a technology of growing a high-quality quasi-two-dimensional perovskite thin film by adopting a spin-coating process is adopted, and the high-quality thin film with uniform phase distribution is obtained by optimizing the proportion of a precursor solution and introducing inorganic salt to regulate and control growth kinetics.

The invention provides a culture medium for tylosin fermentation. Specifically, the culture medium comprises a carbon source, a nitrogen source, inorganic salt and trace elements. The applicant optimizes the types and contents of a carbon source, a nitrogen source, inorganic salts and trace elements, so that the culture medium for improving the yield of tylosin is obtained. The culture medium disclosed by the invention is low in cost, and the yield of tylosin can be remarkably increased. Compared with the prior art, the method has the advantage that the yield of tylosin is increased by 27.95%.

The invention discloses a preparation method and application of an amino-functionalized graphene quantum dot modified MXene loose nanofiltration membrane. The preparation method comprises the following steps: mixing an MXene nanosheet dispersion liquid with an aminated graphene quantum dot aqueous solution, and preparing an amino functionalized graphene quantum dot / MXene mixed dispersion liquid by adopting a self-assembly method; and filtering and depositing the obtained mixed dispersion liquid on the modified base membrane to obtain the MXene loose nanofiltration membrane. According to the preparation method disclosed by the invention, the zero-dimensional aminated graphene quantum dots are creatively embedded into the MXene nanosheets, so that the MXene loose nanofiltration membrane which is stable in structure and regular in stacking is prepared. The nanofiltration membrane has good separation performance on different dyes and inorganic salts while effectively inhibiting water swelling, is a next-generation separation membrane with high stability and high selectivity, is mild and simple in preparation process, and has a wide application prospect.

The present invention provides a fermented liquid of Sequoia sempervirens stems, a preparation method thereof and an application thereof, which specifically comprise the following steps: (1) pulverize dry Sequoia sempervirens bark, add inulin, carbon source, nitrogen source, inorganic salts and water, and perform sterilization to obtain a dry Sequoia sempervirens bark culture medium; (2) inoculate Saccharomyces cerevisiae and Bacillus subtilis into the dry Sequoia sempervirens bark culture medium for fermentation, and then perform sterilization and centrifugation to obtain a fermented liquid of Sequoia sempervirens stems. Experimental tests show that the fermented liquid of Sequoia sempervirens stems prepared according to the method provided by the present invention has a high content of active ingredients and has various effects such as anti-inflammatory, soothing and anti-allergic, promoting wound healing, and anti-aging. The fermented liquid prepared by using the method provided by the present invention can be widely applied in the preparation of cosmetics with anti-aging, anti-allergic and repair effects.

The invention discloses a gel composition for improving compatibility and gelling speed of a tooth whitening product. The gel composition comprises whitening gel and a catalyst, respectively filling the whitening glue and the catalyst into a double-barrel injector; when the tooth whitening gel is used, the push rod is pushed, the whitening gel and the catalyst in the double-tube barrel are squeezed out at the same time and mixed at the mixing head to form the tooth whitening gel capable of being smeared on the tooth surface of a patient, and the pH value of the tooth whitening gel is 7.5-10.0. The catalyst comprises potassium salt or strontium salt, sodium fluoride, glycerol, cross-linked polyacrylamide gels, strong alkaline substances, essence and water; the whitening gel comprises a hydrogen peroxide solution, a cross-linked polyacrylamide gel, glycerin, essence and water. The cross-linked polyacrylamide gel is adopted, the gel is resistant to strong-alkalinity and high-pH environment and various inorganic salt ions such as fluoride, sylvite or strontium salt, the prepared gel is stable in form and good in compatibility, the gel preparation process is simple, the gel is rapidly swelled when encountering water and does not huddle, and long-time standing is not needed.

The present invention belongs to the technical field of adhesives, and specifically relates to a dynamic balancing UV adhesive, a preparation method thereof, and an application thereof. The adhesive comprises the following components by weight: 10-30 parts of polyurethane-containing carbon-carbon double bond acrylic resin, 10-30 parts of carbon-carbon double bond-containing acrylate monomer, 0.2-3 parts of photoinitiator, 40-60 parts of inorganic salt, and 0.1-1 parts of leveling agent. The dynamic balancing UV adhesive prepared by the present invention utilizes the carbon-carbon double bonds of the acrylic resin body to undergo polymerization and cross-linking after UV irradiation. Through rapid cross-linking with the acrylic resin, the density range is 1.5-3.1 g / cm 3 , forming an interpenetrating structure with inorganic salts, which can reduce the amount of glue used when balancing electronic fans and increase the surface drying time (1-3 seconds), thereby achieving automatic dynamic balancing of electronic fan products.

The invention discloses a method for preparing gamma-cyclodextrin by a precipitation technology and a separation enzyme method, which comprises the following steps: by taking gamma-cyclodextrin mother liquor prepared by a solvent method and an enzyme method as a sample solution, firstly dissociating a compound formed by gamma-cyclodextrin and a reaction aid under a high-temperature condition, and then separating the gamma-cyclodextrin by a precipitation separation technology to obtain the gamma-cyclodextrin. An inorganic salt precipitator is added to effectively separate out a reactant, so that the purification of a target product is realized, and an efficient and simple gamma-cyclodextrin separation and purification method is established. By adopting the method disclosed by the invention, the total conversion rate of the gamma-cyclodextrin can reach about 53.89%, the recovery rate of the separated gamma-cyclodextrin can reach 82.76%-90.84%, and the purity of the separated gamma-cyclodextrin is 92.56%-95.63%. The residual quantity of the reaction auxiliary agent is 0.02%.

Provided is a cation exchange membrane in which when a hydroxide aqueous solution showing strong alkalinity is produced by using an electrodialyzer, significant swelling in the cation exchange membrane in contact with the hydroxide aqueous solution is suppressed, destruction of a cation exchange resin due to polyvalent cations contained as impurities in a raw material inorganic salt is suppressed, and the capacity of the cation exchange membrane is hardly lowered.　This cation exchange membrane is characterized by having an electric resistance of 2.0-5.0 (Ω∙cm2), as measured at 25ºC in 0.5 mol / L of a NaCl aqueous solution, and a dimensional change rate of at most 1.2%.

Compositions and colloidal particles are provided that may be used to improve a tissue making process. The compositions and colloidal particles may include a polymer and an inorganic salt. A tissue making process carried out using the presently disclosed compositions and colloidal particles may produce a tissue product that has high tensile strength and high softness without using either softeners or debonders.

The invention discloses a copper-based MOF derived carbon-MgH2 composite solid hydrogen storage material and a preparation method thereof.The preparation method comprises the steps that 1, metal inorganic salt is dissolved in deionized water, stirring is conducted till reactants are dissolved, and a solution a is obtained; 2, trimesic acid is dissolved in a solution composed of N, N-dimethylformamide and methanol according to the volume ratio of 1: 1, ultrasonic treatment is conducted, and a solution b is obtained; 3, mixing and stirring the solution a and the solution b to obtain a mixed solution; step 4, adding the mixed solution into a reaction kettle for reaction, and after the reaction, performing furnace cooling overnight to room temperature; 5, a first product obtained after the reaction is washed with N, N-dimethylformamide and methyl alcohol for multiple times, and drying is conducted to obtain a Cu-based MOFs material; and 6, the dried Cu-based MOF material and MgH2 are mixed and subjected to ball milling, and the MOF catalyzed magnesium-based composite hydrogen storage material is obtained. The synthesis is simple, the reaction condition is mild, and the introduction of the copper-based MOF effectively improves the hydrogen absorption / desorption behavior of the MgH2 hydrogen storage material.

The invention discloses a flue gas water-based three-phase foam system and a profile control method, the flue gas water-based three-phase foam system comprises dispersed-phase gas, suspended-phase solid particles and continuous-phase liquid, the liquid comprises the following components in percentage by weight: 0.5-2.0 wt% of a foaming agent, 0.05-0.5 wt% of a stabilizer, 0.05-0.2 wt% of a thickening agent, 0.1-0.8 wt% of a suspending agent, 0.3-1.0 wt% of inorganic salt and the balance of liquid preparation water; the gas comprises flue gas or mixed gas of one or at least two of nitrogen, natural gas, carbon dioxide, air and flue gas and the flue gas; the solid particles comprise one or a mixture of at least two of silicon dioxide particles, montmorillonite particles, bentonite particles, kaolin particles and fly ash particles, and the particle sizes of the solid particles are from nanometer to micrometer. According to the method, the flue gas discharged by the steam-injection boiler is captured and treated and then is injected into the stratum together with the water-based three-phase foam system and the steam segmented plug according to a certain proportion to assist in steam recovery of the thickened oil, so that the recovery rate of the thickened oil can be increased, the emission of greenhouse gases can be reduced, the capture, storage and utilization of CO2 can be realized, and the environmental protection situation requirements of carbon peak reaching and green development are met.

This invention discloses a Chinese saprophytic bolete ( Buchwaldoboletus xylophilus This invention relates to the mother culture medium, its preparation method, and its application, belonging to the field of microbial culture technology. The strain JSJ-Bx1 of the *Boletus spp.* mother culture, with accession number CGMCC No. 42007, is deposited at the China General Microbiological Culture Collection Center. The culture medium composition is: 10–30 g carbon source, 2–6 g nitrogen source, 1–3 g inorganic salts, 0.1–0.3 g suitable growth factors, 20 g agar, and 1 L water, with a pH of 4–6. Using the culture medium of this invention, the mycelium of the *Boletus spp.* mother culture exhibits rapid, vigorous, and dense growth, with neat colony edges, and does not produce pigments or exhibit mycelial degeneration such as exudation, significantly shortening the mother culture growth cycle.

The invention discloses a preparation method and application of an artificially synthesized carbon-based functional biofilm repair material, and relates to the technical field of material synthesis and modification. The method comprises the following steps: inoculating a synthetic functional flora into an inorganic salt culture medium according to the inoculum size of 1.9-2.1% in volume fraction, culturing, centrifuging, collecting thalli, and adjusting OD600 to 0.09-0.11 by using the inorganic salt culture medium under a sterile condition to obtain a compound bacterial solution; mixing the composite bacteria solution, the biological membrane culture solution and the carbon-based material, then carrying out shake culture at 29-31 DEG C, then replacing nutrients, continuing shake culture at 29-31 DEG C, removing an upper-layer turbid liquid, and cleaning with a PBS (Phosphate Buffer Solution) to obtain the artificially synthesized carbon-based functional biological membrane repair material. The invention can obtain the preparation method and the application of the artificially synthesized carbon-based functional biological membrane repair material.