1795results about How to "Increase content" patented technology

The invention discloses a video advertisement putting effect intelligent analysis and management system based on big data analysis, and relates to the technical field of data analysis. The system comprises: a data processing part for collecting a multi-dimensional data set after advertisement putting, mapping the multi-dimensional data set to a high-dimensional feature space by using a kernel function to obtain a high-dimensional data set, and performing dimensionality reduction on implicit feature representation by using Laplacian feature mapping to obtain low-dimensional embedded representation; the user behavior prediction model part is used for capturing time dynamic characteristics of user behaviors by adopting a bidirectional long-short-term memory network according to the low-dimensional embedded representation, and predicting future user behaviors; and the putting effect management part is used for defining a multi-target evaluation function and formulating a putting action, so that the putting strategy parameter vector approaches to the target putting strategy parameter vector, and the putting effect of the advertisement is maximized. According to the invention, the advertisement putting effect can be evaluated, the advertisement putting strategy is improved, and the accuracy and intelligence of the advertisement putting effect are improved.

The invention belongs to the field of catalysts, and particularly relates to an alumina carrier as well as a preparation method and application thereof. The surface of the alumina carrier has oxygen-containing groups, and the density of the oxygen-containing groups on the surface of the alumina carrier is 0.15-5mmol / m < 2 >. Wherein the oxygen-containing group is at least one of hydroxyl, carboxyl and lactone group; the specific surface area of the alumina carrier is 10-150m < 2 > / g. The types, the number and the density of oxygen-containing groups on the surface of the obtained carrier are improved, and various index requirements of various supported catalysts on dispersion forms and dispersion degrees of different metal active components in the field of petrochemical engineering can be well met; and the carrier also has the characteristics of low bulk density, high water absorption rate, large pore volume and large average pore size, has a gain effect on uniform distribution of active metal components in the catalyst loading process, and has extremely high application value.

The invention belongs to the technical field of biochemical engineering and the technical field of bioengineering, and discloses a schizochytrium limacinum engineering strain for producing EPA (eicosapentaenoic acid) by prolonging a desaturation path. Part or all of the extended desaturase genes from thraustochytrium sp. And fusarium sp. And saprolegnia are expressed. According to the invention, extended desaturase genes from various sources are integrated into a schizochytrium limacinum genome, so that a schizochytrium limacinum gene engineering strain efficiently expresses the extended desaturase genes, and a heterologous EPA synthesis path with high synthesis efficiency, short culture period, simple purification method and low cost is provided; a basis is provided for producing grease rich in EPA from schizochytrium limacinum, and the problems of non-sustainability, high cost and the like caused by obtaining EPA from fishes are solved.

The invention belongs to the technical field of microbial fermentation, and particularly relates to a plant lactobacillus XD117, application of the plant lactobacillus XD117 in fermentation of astragalus membranaceus, an astragalus membranaceus fermentation product and a preparation method of the astragalus membranaceus fermentation product. The bacterial strain is lactobacillus plantarum XD117 and is preserved in the China Center for Type Culture Collection, and the preservation number of the bacterial strain is CCTCC NO: M 20241730. The preparation method of the astragalus mongholicus fermentation product comprises the following steps: inoculating the lactobacillus plantarum XD117 into astragalus mongholicus enzymatic hydrolysate, and fermenting in a fermentation temperature range suitable for the lactobacillus plantarum XD117 to obtain the astragalus mongholicus fermentation product. The total content of calycosin, formononetin, calycosin glucoside and formononin in the astragalus mongholicus fermentation product is high, and the astragalus mongholicus fermentation product has a very good antioxidant effect.

The invention relates to the technical field of lithium iron phosphate production, and discloses a carbon-coated titanium-doped lithium iron phosphate positive electrode material and a preparation method thereof.The preparation method comprises the following steps that 1, a ferrous solution and a phosphorus source solution are mixed in proportion, dopamine hydrochloride is added, a pH regulator is dropwise added in the stirring state, the pH of the solution is adjusted to 4.0-5.5, a reaction is conducted, a titanium source solution is added, and a reaction solution is obtained; after uniformly stirring, continuously dropwise adding a pH regulator to regulate the pH value of the solution to 5.5-6.5; the iron phosphate octahydrate coated with the titanium-embedded polydopamine is obtained; 2) calcining the titanium-embedded polydopamine-coated ferrous phosphate octahydrate in an inert gas atmosphere to obtain carbon-coated titanium-doped anhydrous ferrous phosphate; 3) mixing the carbon-coated titanium-doped anhydrous ferrous phosphate with lithium phosphate and a carbon source, ball-milling, mixing, spray-drying and calcining to obtain a carbon-coated titanium-doped lithium iron phosphate positive electrode material; the synthesis process is simple, and energy consumption is reduced.

The invention relates to the technical field of microorganisms, and discloses burkholderia gladioli as well as a bacterial agent and application of the burkholderia gladioli. The Burkholderia gladioli (Burkholderia gladioli) CCTCC (China Center For Type Culture Collection) NO: M20242288 provided by the invention has good capacities of fixing nitrogen, dissolving phosphorus, dissolving zinc, producing siderophores and oxidizing sulfur, and can be used for regulating the nutrient structure of soil and converting substances which are difficult to utilize by plants in the soil, so that the growth of the plants is promoted, and the stress resistance of the plants is improved; the strain also can be used for antagonizing Fusarium solani, Fusarium equiseti, Fusarium verticillium, Fusarium verticillium and Rosellinia necatrix, can be used for antagonizing Fusarium solani, Fusarium equiseti, Fusarium verticillium and Rosellinia necatrix, and can also be used for antagonizing Fusarium solani, Fusarium equiseti, Fusarium verticillium, Rosellinia necatrix, Fusarium moniliforme and Rosellinia necatrix, Fusarium moniliforme and Rosellinia necatrix. Besides, the burkholderia gladioli provided by the invention is a strain separated from rape farmland soil, and compared with a strain screened by extreme environment and laboratory mutagenesis, the burkholderia gladioli has better adaptability when being applied to a planting environment, and can be stably colonized in plant rhizosphere and soil, so that the burkholderia gladioli stably plays a growth promoting role for a long time, is safe and environment-friendly, and has a wide application prospect. Wide application prospects are realized.

The invention provides a strain of Burkholderia graminicola as well as a bacterial agent and application of the Burkholderia graminicola. The preservation number of the Burkholderia graminicola is CCTCC (China Center For Type Culture Collection) NO: M20242399. The Burkholderia paragallinarum provided by the invention has the functions of nitrogen fixation, phosphate solubilization, siderophore production and indoleacetic acid production. The Burkholderia grassy and the fungicide taking the Burkholderia grassy as the effective active component can promote the germination of plant seeds and the growth of crops.

The invention provides a semantic search method for identifying user intention based on AI and a storage medium, and the method comprises the steps: receiving a query text input by a user, and carrying out the preprocessing to extract key information; the method comprises the following steps: pre-training a Transform model, and inputting a query text to obtain an embedded vector; predicting a user intention based on the embedded vector by using a classifier; the key information and the user intention are combined, the query text is expanded through the knowledge graph, and the expanded query text is generated; matching the extended text with entities and relationships in the knowledge graph to obtain a related set; calculating a similarity score of the set and the document; and constructing a user portrait, and generating a document list based on the portrait and the similarity score. According to the method, the query text is deeply understood through the Transform model, the intention is predicted by the classifier, and the user demand is accurately grasped. And furthermore, the query content is enriched through domain dictionary construction, synonym replacement and phrase expansion, and the search accuracy is improved.

The invention discloses an interface document automatic generation method and related equipment thereof, and belongs to the technical field of artificial intelligence. The method comprises the following steps: receiving an interface document generation instruction, obtaining an interface source code and a code annotation, and obtaining an interface document template; analyzing the interface source code and the code annotation by using a code analyzer to obtain code metadata; constructing a code analysis tree for the interface source code, and performing static code analysis on the code analysis tree according to the source code grammar detection rule to obtain context information; selecting an adaptive controller class and a class processing method to package the code metadata and the context information, and generating response data; and importing the response data into the interface document template to generate an interface document corresponding to the interface source code. The invention further relates to the technical field of block chains, and source codes are stored on a block chain network. According to the method and the device, the problem of document errors or omission caused by lack of metadata or context information in a traditional interface document automatic generation process is solved.

The invention relates to the technical field of intelligent traffic, in particular to an intelligent road cone traffic early warning system. The problems that in the prior art, an intelligent road cone is single in function, and warning strategies cannot be intelligently adjusted according to real-time road conditions and construction environment changes are solved. The intelligent road cone is arranged and used for being deployed on a road construction or accident site to warn vehicles, collecting road environment information through a sensor and conducting risk assessment and early warning on the vehicles according to the detected vehicle information; the control center is used for integrating the monitoring information of the intelligent road cones and dynamically adjusting a placement scheme and an early warning strategy of the intelligent road cones; and the user terminal is used for receiving the early warning information from the intelligent road cone and the control center and sending an alarm to a user. Through cooperation of the intelligent road cone, the control center and the user terminal, effective safety early warning and guidance are ensured to be performed on vehicles passing through the construction area during construction, accident risks are reduced, and traffic management efficiency is improved.

The invention provides velvet antler mushroom sporocarp water extraction residue polysaccharide as well as an extraction method and application thereof, and belongs to the technical field of edible mushroom polysaccharide preparation. The invention provides an extraction method of water extraction residue polysaccharide of a mushroom fruiting body, which comprises the following steps: sequentially carrying out solid state fermentation, post-treatment and hot water extraction on the water extraction residue of the mushroom fruiting body to obtain an extraction product containing the water extraction residue polysaccharide of the mushroom fruiting body. According to the method disclosed by the invention, the water extraction residues of the pilose antler mushroom sporocarp are used as raw materials, so that high-value utilization of the water extraction residues of the pilose antler mushroom sporocarp can be realized. Moreover, the method can improve the yield and content of polysaccharide, and has the advantages of no chemical residue, ecological environmental protection, high production efficiency and the like. Besides, the polysaccharide prepared by the extraction method disclosed by the invention is stable under a digestion condition, and the prepared polysaccharide can improve the content of short-chain fatty acids in intestinal tracts, so that a basis is provided for application of the polysaccharide of the water-extracted residues of the fruiting bodies of the velvet antler mushrooms in new potential prebiotics.

The invention relates to the technical field of solar cells, and mainly provides a perovskite solar cell and a preparation method thereof. The perovskite solar cell comprises a substrate, a transparent conductive oxide layer, an anchoring layer, a hole transport layer, a perovskite light absorption layer, an electron transport layer and a top electrode which are stacked in sequence, wherein the material of the anchoring layer comprises a metal oxide; and the material of the hole transport layer comprises a self-assembly molecular material. According to the perovskite solar cell in the technical scheme of the invention, the anchoring point of the SAM is enhanced, the long-term stability of the perovskite cell is improved, and the efficiency loss caused by local electric leakage is reduced.

The invention relates to a heat treatment method for additive manufacturing of a nickel-based superalloy, and relates to the technical field of additive manufacturing. The heat treatment method comprises the following steps that the additive manufacturing nickel-based superalloy is placed at the first temperature, and first-step stress relief annealing treatment is carried out; and then the temperature is increased to a second temperature for second-step stress relief annealing treatment, and after cooling, the additive manufacturing nickel-based high-temperature alloy subjected to stress relief annealing treatment is obtained. The first temperature is 850-890 DEG C, and the second temperature is 900-950 DEG C; carrying out solution treatment on the additive manufacturing nickel-based superalloy subjected to the stress relief annealing treatment to obtain the additive manufacturing nickel-based superalloy subjected to the solution treatment; and aging treatment is conducted on the additive manufacturing nickel-based superalloy obtained after solution treatment, and the additive manufacturing nickel-based superalloy obtained after heat treatment is obtained. The method is mainly used for improving the volume fraction of the gamma'phase of the additive manufacturing nickel-based superalloy, obtaining the gamma 'phase with high cubic degree and proper size, and eliminating cracking and recrystallization caused by residual stress.

The invention provides an MHP precipitation method based on a compound alkali precipitator and application of the MHP precipitation method, and the MHP precipitation method comprises the following steps: mixing laterite-nickel ore iron and aluminum removed liquid and a compound alkali solution for precipitation reaction to obtain cobalt nickel hydroxide slurry; the compound alkali in the compound alkali solution comprises a mixture of sodium carbonate and sodium hydroxide; and carrying out post-treatment on the cobalt nickel hydroxide slurry, and separating to obtain the MHP. According to the method, a sodium hydroxide and sodium carbonate compounded system is used as a precipitator, the MHP is prepared under the cooperation of sodium carbonate and sodium hydroxide, the content of manganese in the obtained MHP is remarkably reduced, the content of nickel and cobalt in the MHP is increased, the method has important significance for reducing the cost for preparing crystals through subsequent MHP refining, meanwhile, the reaction rate is more controllable, the obtained MHP is better in filtering performance, and the method is suitable for industrial production. The water content is lower.

The invention relates to a culture method for improving duckweed protein, which comprises the following steps: purifying duckweed in a Hoagland working solution to obtain purified duckweed; mixing the biogas slurry with the Hoagland working solution to prepare a duckweed culture solution; wherein the concentration of the biogas slurry is 1.5%-5%, and the concentration of the Hoagland working solution is 95%-98.5%; after the purified duckweed is put into the duckweed culture solution, the duckweed culture solution is put into an incubator with preset culture conditions to be cultured, and the cultured duckweed is obtained. By adding the biogas slurry into the Hoagland working solution, the protein content of the cultured duckweed can be remarkably increased, the biogas slurry can be efficiently utilized, water resources are saved, an ideal way is provided for wastewater recycling, meanwhile, nitrogen and phosphorus in the biogas slurry can be utilized for promoting synthesis of duckweed protein, the protein synthesis efficiency is improved, and the yield of duckweed is increased. And a good basis is provided for feed research of duckweed.

The invention belongs to the technical field of genetic engineering, and discloses a Yarrowia lipolytica engineering strain capable of efficiently producing eicosapentaenoic acid through a cofactor strategy, Yarrowia lipolytica Po1f is used as an original strain, and genes of delta 9 elongase, delta 8 desaturase, delta 5 desaturase and delta 17 desaturase are over-expressed, so that the eicosapentaenoic acid can be efficiently produced. And simultaneously overexpressing glucose-6-phosphate dehydrogenase (G6PDH) and malic enzyme (ME) to obtain the gene. The construction method is suitable for constructing a genetic engineering strain for producing eicosapentaenoic acid, the aim of simply, conveniently, effectively and accurately constructing the strain is achieved, the constructed engineering strain is further applied to production of eicosapentaenoic acid, and an effective way is provided for commercially producing eicosapentaenoic acid by applying yarrowia lipolytica.

The invention belongs to the technical field of white spirit brewing, and particularly relates to bacillus velezensis BL-LM and application thereof in preparation of special-flavor white spirit yeast. The bacterial strain is classified and named as Bacillus velezensis, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30130. The invention further discloses a preparation method of the bacterial strain. When the bacillus velezensis BL-LM is added into starter propagation raw materials, in the starter propagation process, the top fire temperature of a starter blank is high, the temperature rising time is long, the liquefying power and saccharifying power activity of the starter blank is higher, the capacity of producing white spirit characteristic flavor substances such as pyrazines, guaiacol and 4-vinyl guaiacol is higher, and the content of organic acid is high. The bacillus velezensis BL-LM disclosed by the invention has a relatively good promotion effect on physicochemical property optimization and flavor substance generation of the specially-fragrant yeast, and has a very obvious effect in the aspect of modifying the quality of the specially-fragrant yeast.

The invention provides a red ginseng processing method capable of increasing the content of rare ginsenoside and reducing pesticide residues, and relates to the technical field of medicinal material processing, the red ginseng processing method comprises the following steps: A, steaming fresh ginseng by using atomized probiotic fermentation liquor; b, drying the steamed fresh ginseng to obtain red ginseng; the pH (Potential of Hydrogen) of the probiotic fermentation liquor is 3.0 to 4.0; the OD600 value of the probiotic fermentation liquor is 1.2-2.5, the probiotic fermentation liquor is obtained through probiotic fermentation, the fermentation liquor with the pH value being 3.0-4.0 is adopted as an acid catalyst to replace purified water, in the ginseng steaming process, steaming is conducted through the atomized probiotic fermentation liquor, conversion of ginsenoside is promoted, and meanwhile organophosphorus pesticide residues in ginseng are degraded. The method is safe, efficient, green and natural, and loss of nutritional ingredients and functional ingredients caused by cooking is avoided. The technical problems that red ginseng processed and prepared in the prior art is low in rare saponin content and poor in effect and pesticide residues exist are solved.

The invention discloses clethodim amine salt as well as a preparation method and application thereof, the clethodim amine salt is clethodim tert-butylamine salt, and the chemical structural formula of the clethodim amine salt is as follows: # imgabs0. The invention discloses the clethodim tert-butylamine salt, and the clethodim tert-butylamine salt is characterized by various means. The prepared clethodim tert-butylamine salt is good in stability, meanwhile, the herbicidal activity of the prepared clethodim tert-butylamine salt is not weaker than that of clethodim, and the stability and the herbicidal activity of the prepared clethodim tert-butylamine salt are both superior to those of other clethodim amine salts reported in documents. The prepared clethodim tert-butylamine salt is low in degradation rate in the high-temperature heat storage process and can be stored for a long time more easily compared with clethodim, and commercial products of the clethodim tert-butylamine salt can be kept more stable in the shelf life. The clethodim tert-butylamine salt prepared by the invention is high in melting point, is solid at normal temperature, can be processed into richer dosage forms as a herbicide, can be expanded to water dispersible granules (WG), wettable powder (WP) and other new dosage forms from the current dosage forms mainly comprising clethodim emulsifiable concentrate (EC), and is good in commercial prospect.

The application of the animal bifidobacterium subsp. Lactis BX-245 in relieving the inflammatory bowel disease is characterized in that the animal bifidobacterium subsp. Lactis BX-245 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.26973. The invention also discloses an application of the animal bifidobacterium subsp. Lactis BX-245 in relieving the inflammatory bowel disease. The research aims at discussing the relieving effect of the animal bifidobacterium subsp. Lactis BX-245 on IBD mice induced by dextran sodium sulfate (DSS), and 6-week male C57BL / 6J mice which normally eat and drink water are randomly divided into a normal group (NC group), a model group (IBD group), a common yoghourt (FM group), an animal bifidobacterium subsp. Lactis BX-245 bacterial powder group (BX-245 group) and BX-245 yoghourt (BFM group). The relieving effect of the animal bifidobacterium subsp. Lactis BX-245 and the fermented milk of the animal bifidobacterium subsp. Lactis BX-245 on the symptom of the mouse inflammatory bowel disease is evaluated through weight change, immune factors, targeted metabonomics and metagenomics, and data support is provided for application of the animal bifidobacterium subsp. Lactis BX-245 in products.

The invention relates to the field of sodium-ion batteries, and discloses a sodium-ion battery positive electrode sodium pre-treatment method and a sodium-ion battery thereof.The sodium-ion battery positive electrode sodium pre-treatment method comprises the following steps that a sodium pre-treatment material and positive electrode slurry are mixed to form sodium pre-treatment functional slurry; coating a current collector with the positive electrode slurry, and drying to form a basic function layer; coating the basic functional layer with the pre-sodium-modified functional slurry, and drying to form a pre-sodium-modified functional layer; wherein the pre-sodium-modified material is a sodium-rich material, and the sodium-rich material at least comprises at least one of Na2S, NaCrO2, Na2NiO2, Na2CO2 or Na2C4O2. According to the invention, the pre-sodium-modified functional layer is arranged on the basic functional layer, so that the first efficiency and the reversible capacity of the battery are improved, and the cycle life of the battery is prolonged.

The invention relates to a self-stabilization precipitation polymerization method of a Fischer-Tropsch synthesis product. The self-stabilizing precipitation polymerization method comprises the following steps: carrying out self-stabilizing precipitation polymerization on a reaction system containing a Fischer-Tropsch synthesis product, an electron-accepting monomer, low-carbon-number olefin, an initiator and a solvent; the low carbon number olefin is ethylene and / or propylene; the Fischer-Tropsch synthesis product comprises an electron donating monomer. According to the self-stabilizing precipitation polymerization method, low-carbon-number olefin is added as a third monomer, so that self-stabilizing precipitation polymerization of the Fischer-Tropsch synthesis product is realized.

The invention provides application of a soybean GmWRKY40 gene in soybean breeding, and belongs to the technical field of functional gene breeding. The nucleotide sequence of the soybean GmWRKY40 gene provided by the invention is as shown in SEQ ID NO: 1. According to the invention, the GmWRKY40 gene is constructed into a skeleton expression vector to obtain a recombinant vector, and the recombinant vector is transferred into soybean under the mediation of agrobacterium tumefaciens to obtain a transgenic plant with stable overexpression of the GmWRKY40 gene. Detection results show that overexpression of the GmWRKY40 gene can significantly improve the grain isoflavone content and the protein oil content of the transgenic soybean, improve the soybean quality and increase the soybean grain yield at the same time. Therefore, the soybean GmWRKY40 gene can be used for developing new varieties of high-quality soybeans.

The invention relates to a preparation method of a high-hardness and high-sulfate-radical water quality scale inhibitor, and belongs to the technical field of water treatment.The preparation method comprises the steps that sodium carboxymethyl cellulose-sulfur quantum dots are prepared by using carboxymethyl cellulose as a stabilizer and then subjected to a copolymerization reaction with 2-acrylamido-2-methylpropanesulfonic acid and itaconic acid, and the high-hardness and high-sulfate-radical water quality scale inhibitor is obtained. The preparation method comprises the following steps: carrying out a reaction on sodium carboxymethyl cellulose and sulfur quantum dots to obtain modified sodium carboxymethyl cellulose-sulfur quantum dots, and carrying out a reaction on polysuccinimide, 4-amino phthalic acid and 2-aminoethanesulfonic acid to obtain a polyaspartic acid derivative; the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative are mixed to serve as the scale inhibitor, the scale inhibition rate of the scale inhibitor is remarkably increased through the synergistic effect of the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative, and meanwhile, due to the fact that a large number of new hydrogen bonds are generated between the modified sodium carboxymethyl cellulose-sulfur quantum dots and the polyaspartic acid derivative, the scale inhibition rate of the scale inhibitor is increased. The stability of a polymer structure is improved, so that the temperature resistance of the scale inhibitor is improved. The scale inhibitor is green and environment-friendly, and has excellent scale inhibition efficiency on high-hardness and high-sulfate-radical water.

The invention provides a method for preparing a lithium slag-based molecular sieve by melting lithium slag with assistance of eutectic salt, and relates to the technical field of molecular sieves. The method comprises the following steps: carrying out acid pickling pretreatment on a lithium slag raw material to obtain pretreated lithium slag; co-grinding and uniformly mixing the pretreated lithium slag and eutectic salt, and reacting at 200-350 DEG C for 2-6 hours to obtain eutectic lithium slag; carrying out aging treatment and crystallization treatment on the eutectic lithium slag, carrying out solid-liquid separation, washing the solid to be neutral, and drying to obtain a lithium slag-based molecular sieve; wherein the eutectic salt comprises an alkali solvent and an auxiliary salt, the alkali solvent is sodium hydroxide, and the auxiliary salt is at least one of chlorine salt, villiaumite, carbonate, sulfate and nitrate; the molar ratio of the alkali flux to the auxiliary salt is (4-19): 1. According to the method, the eutectic salt system is introduced in the lithium slag alkali fusion stage, meanwhile, the molar ratio of the alkali flux to the auxiliary salt in the eutectic salt is controlled to be (4-19): 1, the alkali fusion reaction temperature is reduced, the reaction of the lithium slag and alkali is promoted, the molecular sieve yield is increased, the product morphology can be regulated and controlled, and a specific molecular sieve can be formed in a guiding mode.

The invention discloses an anti-fouling high-voltage electrocatalytic activity polyvinylidene fluoride uranium adsorption material and a preparation method thereof, and belongs to the field of uranium adsorption materials.According to the adsorption material, dimethyl sulfoxide serves as a solvent, polyvinylidene fluoride serves as a substrate material, amidoximation polyacrylonitrile serves as a modified molecule, and B i4T i3O12 / SnO2 serves as filler, and after physical blending, the adsorption material is prepared into the high-voltage electrocatalytic activity polyvinylidene fluoride uranium adsorption material. The composition is prepared by a freezing phase inversion method. The adsorbing material disclosed by the invention has an excellent removal rate on uranyl ions and has an excellent antibacterial property.

The invention belongs to the technical field of cosmetics, and provides an external composition with soothing and anti-inflammatory effects, a preparation and application thereof. The external composition is prepared from the following components in parts by weight: 4 to 5 parts of herba violae extract, 4 to 5 parts of chamomile flower extract, 1 to 3 parts of dandelion rhizome / root extract, 1 to 3 parts of Chinese herbaceous peony root extract, 1 to 3 parts of honeysuckle flower extract, 1 to 3 parts of mallow flower extract and 0.001 to 0.1 part of aloe barbadensis leaf extract; wherein the taraxacum vulgare rhizome / root extract is prepared by the following steps: smashing taraxacum vulgare rhizomes / roots, extracting with an ethanol-water solution, concentrating an extracting solution, carrying out enzymolysis with a compound enzyme preparation, and purifying with a macroporous adsorption resin column, so as to obtain the taraxacum vulgare rhizome / root extract. The content and the yield of the effective active ingredient total flavonoids in the taraxacum chinense rhizome / root extract in the external composition are high, and the composition has the advantages of being small in dosage and good in relieving and anti-inflammatory effect on allergic skin.

The invention discloses a test question data generation method, electronic equipment, a storage medium and electronic equipment, and relates to the field of large model technology and text data processing. The method comprises the steps that in response to a first input instruction acting on an operation interface, a target document corresponding to the input instruction is displayed on the operation interface, and the target document comprises multi-modal data; in response to a conversion instruction acting on the operation interface, displaying target text data corresponding to the conversion instruction on the operation interface; in response to a second input instruction acting on the operation interface, a generation condition corresponding to the second input instruction is displayed on the operation interface, and the generation condition comprises at least one of a target type, a target difficulty level and a target dimension; and in response to a generation instruction acting on the operation interface, displaying the target test question data on the operation interface. The technical problem of low efficiency and diversity of test question data generation in related technologies is solved.

The invention provides a compound probiotic and qi and blood tonifying fermentation composition and a preparation method and application thereof, and relates to the technical field of microorganisms, the compound probiotic comprises plant lactobacillus KMHD-1 and bifidobacterium longum KMBGI 01, the compound probiotic is adopted for fermentation, the fermentation composition capable of tonifying qi and blood, improving immunity and improving energy can be prepared, and the preparation method is simple and convenient. And the compound probiotics are adopted to ferment the fermentation substrate, so that the variety and content of rare ginsenoside of ginseng can be effectively increased, the content of astragaloside and polysaccharide can be increased, and the efficacy of the product is further enhanced.

The invention relates to a soil conditioner for saline-alkali land treatment and a preparation method, and belongs to the technical field of soil conditioners. The soil conditioner for saline-alkali land treatment is prepared from a fermented fertilizer, biomass charcoal II, corn straw powder, attapulgite powder, humic acid and a compound microbial agent. The soil conditioner disclosed by the invention can be used for reducing the pH value of soil, reducing salinity, promoting the recovery of organic matters and improving the fertility of the soil, and is beneficial to improving the yield of crops.