207results about How to "Increase variety" patented technology

The invention provides a high-temperature-resistant carbon fiber reinforced phenolic resin composite material and a preparation method thereof. The preparation method comprises the following steps: firstly, carrying out high-temperature oxidation treatment on carbon fibers; secondly, carrying out surface modification on the carbon fibers by using a chemical modifier; then mixing the modified carbon fiber, an antioxidant and a dispersing agent to prepare slurry; performing vacuum filtration on the prepared slurry, and drying to obtain a carbon fiber blank; preparing a phenolic resin infiltration solution, and impregnating the carbon fiber blank with the phenolic resin infiltration solution; and finally, carrying out mold pressing and curing to obtain the high-temperature-resistant carbon fiber reinforced phenolic resin composite The preparation method is simple in required equipment, convenient to operate, stable in process, high in production efficiency and suitable for large-scale industrial production. According to the high-temperature-resistant carbon fiber reinforced phenolic resin composite material prepared by the preparation method, the bonding property between the carbon fiber and the phenolic resin is improved, certain toughness and strength are provided, and meanwhile, the high-temperature-resistant carbon fiber reinforced phenolic resin composite material has the advantages of ablation resistance, good oxidation resistance in a high-temperature environment and the like.

The invention belongs to the technical field of whole-genome gene chips, and particularly relates to a leymus chinensis whole-genome 50K liquid chip and application thereof. According to the leymus chinensis whole genome 50K liquid phase chip, a whole genome re-sequencing technology is utilized, an SNP molecular marker combination of leymus chinensis is determined, and then the leymus chinensis whole genome 50K liquid phase chip is developed. The chip is combined with a high-density SNP probe, realizes high-throughput and high-precision genetic typing of leymus chinensis genomes, and particularly has wide application prospects in the field of molecular breeding.

The invention provides a liposome preparation and a preparation method thereof, the liposome preparation comprises an ion pairing agent, phospholipid or a derivative thereof, sterol, a lipid molecule derivative and a drug compound, the ion pairing agent comprises at least one of a compound (I) and a compound (II), and the compound (II) comprises at least one of a compound (III) and a compound (III). Structures in the compound (I) and the compound (II) contain a plurality of functional groups (such as amide, carbonyl, thioether and the like), so that abundant binding sites are provided for drug molecules, and the compound (I) and the compound (II) can interact with different types of drug compounds (such as fat-soluble and water-soluble drugs); the liposome preparation is allowed to be combined with various drug molecules through hydrogen bonds, hydrophobic interaction or electrostatic interaction, and the liposome preparation adapts to physicochemical properties of different drugs. The compound (I) and the compound (II) further comprise different hydrophobic groups (such as alkyl chains) and hydrophilic groups (such as sulfonic acid, carboxylic acid and the like), so that the liposome preparation has the amphiphilic characteristic, not only can encapsulate hydrophobic drugs, but also can encapsulate hydrophilic drugs, and the variety and range of encapsulated drugs are improved.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker related to the daily gain character of a pig. The SNP molecular marker is a Ggt (Glutathione Ggt) located at the position of 160773437bp of a first chromosome of a pig genome Ensembl Sscrofa11.1 version; a mutation. Through the SNP molecular marker, the SNP molecular marker can be applied to breeding of the daily weight gain character of the Duroc long commercial pigs, so that the daily weight gain character of the Duroc long commercial pigs is improved, the growth performance and the slaughter weight of the Duroc long commercial pigs are improved, and the economic value and the economic benefit of the Duroc long commercial pigs are improved. And the variety of the Duroc long commercial pigs can be improved, the daily gain character of the variety is further improved, improved variety breeding is performed, and the market competitiveness of the Duroc long commercial pigs is improved. In addition, due to the fact that the Duroc long hybrid population is adopted as a research object, the Duroc long hybrid population can also serve as a reference population of a male parent Duroc purebred population, and reference and application values are improved for breeding of male parent Duroc boars in daily gain.

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 belongs to the technical field of new materials, and particularly discloses a modified zinc oxide-based bone implantation scaffold material, a forming method and a preparation method thereof, and a perfusion material comprises defect engineering modified zinc oxide nanoparticles loaded by hydrogel. The forming method comprises the following steps: filling a filling material of defect engineering modified zinc oxide nanoparticles loaded by hydrogel into the 3D printed bone implantation scaffold, curing under the irradiation of ultraviolet light, and then drying to obtain the filled and cured 3D printed bone implantation scaffold. According to the present invention, the scaffold using the perfusion material has effects of efficient antibacterial ability and bone repair promotion, the inherent defects of the zinc oxide material are improved from the defect engineering perspective, and the types of the bone repair material are increased.

The invention discloses a color image encryption method based on a finger vein secret key and off-axis digital holography. The color image encryption method comprises the encryption steps that firstly, red, green and blue channel data of a color plaintext image are separated; performing encryption based on DNA coding on each channel by using the finger vein data of the encrypted user; thirdly, embedding the DNA coding encryption result into the host image by using a discrete wavelet transform-based technology to generate an encrypted watermark image; and finally, performing encryption based on a Gyrator transform domain and off-axis digital holography on the encrypted watermark image by using the finger vein data and the digital key to generate a ciphertext hologram. And a decryption step: firstly, carrying out identity verification on a decryption user by using a finger vein authentication technology based on the convolutional neural network, decrypting the ciphertext hologram by using the finger vein data stored in the database after the authentication is successful, and recovering a plaintext image. The encryption method provided by the invention has the advantages of high security, finger vein key robustness, digital key sensitivity, large key space and high decryption quality.

The invention discloses a material sorting system and method. According to the technical scheme, the material sorting system and method comprise a feeding unit, first-stage sorting equipment, second-stage sorting equipment, a first conveying channel, a plurality of storage bins, a conveying pipeline and a reversing assembly. Through multi-stage cooperation of the feeding unit, the first-stage sorting equipment, the second-stage sorting equipment and the like, plastic bottles and other plastic are sorted out through the first-stage sorting equipment, then the plastic bottles and the other plastic are further subdivided through the second-stage sorting equipment, and the fine and efficient material sorting process is achieved; in the second-stage sorting equipment, a conveying channel is divided into two conveying areas through a first partition plate, the output end is further divided into four output channels through a second partition plate and a splitter plate, the equipment which can only sort two kinds of objects originally can sort four kinds of materials, the sorting type and efficiency are improved, and the sorting efficiency is improved. And sorting of the plastics in all the subareas can be achieved only by arranging sorting objects.

The invention relates to a snack food 3D printing device based on double materials and three nozzles and application of the snack food 3D printing device, and belongs to the technical field of food processing and equipment manufacturing. A double-material double-nozzle 3D printing system and a single-nozzle auxiliary gel system are arranged in the printing platform system; the air supply system is connected with the double-material double-nozzle 3D printing system and the single-nozzle auxiliary gel system through pipelines. A conveying system is further arranged in the printing platform system and connected with the physical field auxiliary drying system. According to the preparation method, collaborative technologies such as double-material combined gel, double-nozzle 3D printing, single-nozzle dehydration coagulation acceleration and physical field curing or drying are adopted, the leisure hawthorn product processing problems that a nozzle of single-nozzle 3D printing is prone to blockage, double-nozzle 3D printing is prone to collapse, the printing efficiency is low, and a printed product is simple in shape are solved, the application range of the 3D printed product is widened, and the production cost is reduced. And a technical support is provided for development of specially-shaped haw snacks.

The invention discloses a multilayer nanostructure metal hydride and a preparation method thereof.The preparation method comprises the steps that transition metal ion salt and a carbon material are added into a polar solvent to be mixed, heating and stirring are conducted to obtain solid powder, and the solid powder is subjected to a hydrogen thermal reduction reaction to obtain a functionalized carbon material; a metal hydride raw material and a functionalized carbon material are added into an organic solvent, ultrasonic treatment and mixing are carried out, a mixed solution is obtained, and the metal hydride raw material is a mixture of an alkyl metal Mg compound or an alkyl metal Li compound and a borane compound; and in a hydrogen atmosphere, carrying out solvothermal reaction on the mixed solution, and then centrifuging, washing, filtering and drying to obtain the multilayer nanostructure metal hydride. The multilayer nano-structure metal hydride prepared by the preparation method has relatively high hydrogen absorption and hydrogen storage capacity.

The invention provides a C3 and C4 total hydrogenation catalyst as well as a preparation method and application thereof. According to the C3 and C4 total hydrogenation catalyst, unsaturated hydrocarbon in C3 and C4 fractions generated by a lightweight raw material cracking device can be completely hydrogenated to be saturated. The catalyst comprises a main active component, an auxiliary active component and a carrier. According to the invention, the distribution of metal active components is controlled and the conversion rate of unsaturated hydrocarbon is improved by regulating and controlling the type, number and density of oxygen-containing groups of the carrier.

The invention discloses an intelligent adjustment irrigation system and method based on an infrared spectrum. The method comprises the steps of soil sample data collection, pretreatment, original spectrum characteristic data collection, optimal wavelength screening, irrigation data calibration and the like. According to the method, the relative moisture content of the soil is monitored in real time through the infrared spectrum, precise adjustment of irrigation is achieved in combination with the requirement of the plant growth cycle, and the problems such as excessive irrigation or insufficient irrigation in a traditional irrigation mode are avoided. The method has the advantages of improving irrigation accuracy, saving water resources, promoting healthy growth of crops, being high in adaptability and the like.

The invention belongs to the technical field of microorganisms, and relates to an aroma-producing yeast XW2-1 and application thereof. The aroma-producing yeast XW2-1 disclosed by the invention is clavipora lusitaniae and is preserved in the general microbiological center of the China Committee for Culture Collection of Microorganisms on June 14, 2024, and the preservation number of the aroma-producing yeast XW2-1 is CGMCC (China General Microbiological Culture Collection Center) No. 30947. The aroma-producing yeast XW2-1 disclosed by the invention is high in growth speed, relatively strong in tolerance and outstanding in aroma-producing effect, and can be used for tobacco aroma enhancement. The strain can ferment tobacco powder in a liquid state, the variety and content of aroma components in fermentation liquor are remarkably increased, and the total amount of the aroma components is increased by two times or above. The tobacco flavor produced by fermentation of the strain has typical aroma characteristics, the aroma enhancement effect is remarkable, the smokeability is high, and the smoking quality of tobacco products can be improved.

The invention discloses a p-region metal introduced palladium-based intermetallic compound catalyst and a preparation method and application thereof in the field of electrocatalysts, and the preparation method comprises the following steps: introducing a p-region metal element into metal palladium through a colloid synthesis method to prepare a palladium-based intermetallic compound precursor; and calcining the precursor in a reducing atmosphere to obtain the p-region metal-introduced palladium-based intermetallic compound, which shows significantly improved alkaline HOR performance. The introduction of the p-region metal in the catalyst promotes d-p orbital hybridization and electron interaction, and the catalyst can be used as an electrocatalyst in alkaline hydroxide reaction, and is beneficial to optimization of binding energy of catalytic surface reaction intermediates, so that the alkaline HOR activity is improved, the cost is reduced, and the catalyst variety is widened.

The invention discloses a double-evaporator refrigerating system, refrigerating equipment and a control method thereof.According to the double-evaporator refrigerating system, an exhaust port of a double-cylinder compressor communicates with one port of a four-way valve, and a four-way port of the four-way valve communicates with a condenser assembly and a hot runner inlet of an enthalpy-increasing heat exchanger in sequence; a connecting pipeline communicated with a hot runner outlet of the enthalpy-increasing heat exchanger is divided into three branches. The first branch is sequentially communicated with a cold runner of the enthalpy-increasing heat exchanger and an enthalpy-increasing opening of the double-cylinder compressor through a throttling valve set. The second branch is sequentially communicated with a first evaporator assembly and a two-way port of a four-way valve through a first expansion valve, and a three-way port of the four-way valve is communicated with a first air suction port of the double-cylinder compressor; and the third branch is sequentially communicated with the second evaporator assembly and a second air suction port of the double-cylinder compressor through a second expansion valve. Temperature rise of the second temperature area caused by defrosting of the first temperature area can be avoided, frequent starting and stopping of the system are reduced, heat released in the compression process can be recycled, energy consumption is reduced, and the stability and reliability of the system are improved.

The invention discloses a device and method for preparing a silicon-based material through magnesiothermic reduction of a silicon-containing precursor. The device comprises a furnace body, a vacuum or atmosphere control system, a double-temperature-zone heating control system, a furnace body tilting system, a furnace body rotating system, a water cooling system, a heat preservation pipe plug and a control panel. Feeding and discharging pipes are arranged at the two opposite ends of the furnace body; a hole-reserved partition plate is arranged in the cavity of the furnace body and divides the cavity of the furnace body into a magnesium material evaporation bin and a reduction reaction bin; and an air hole is formed in the hole-reserved partition plate and communicated with an air guide pipe with a hole, and the air guide pipe with the hole is located in the reduction reaction bin. A double-temperature-zone heating control system is adopted, the evaporation temperature and the reduction reaction temperature of a magnesium material can be independently adjusted, a magnesium steam perforated gas guide pipe of a special structure is designed inside, it is ensured that magnesium steam can be evenly distributed in a reduction reaction bin, meanwhile, the perforated gas guide pipe is prevented from being blocked, and the production efficiency is improved. The equipment can realize thermal reduction of the silicon-containing precursor by magnesium steam under a vacuum condition.

The present invention relates to the technical field of cosmetics, and in particular to a herbal hair loss prevention, hair growth, and hair darkening composition and a preparation method thereof. The present invention adopts Polygonum multiflorum, Elm bark, ginger, alfalfa, Gallnut, Lycium bark, and Hamamelis virginiana, which have hair loss prevention, hair growth, and hair darkening effects, to prepare a hair composition. The present invention optimizes the ratio of raw materials, enhances the matching effect of active ingredients, and makes the hair loss prevention, hair growth, and hair darkening effects of the composition better. At the same time, the present invention adopts hot water extraction and dissolution, composite bacteria combined fermentation, and ethanol aqueous solution extraction processes to increase the types of active ingredients and the concentration of active substances, enhance the efficacy of the medicine, and can further improve the hair loss prevention, hair growth, and hair darkening effects of the composition.

The invention discloses a hemispherical yellow tea making method, which comprises the following steps: fresh leaf picking, solarization, indoor spreading and airing, enzyme deactivation, constant temperature humidifying cotton cloth wrapping and kneading into a spherical shape for heaping for yellowing, primary baking and heating, cloth wrapping and kneading into a hemispherical shape, stacking, careful selection, low temperature baking and finished product obtaining, the solarization temperature is required to be 20-25 DEG C, and the time is 20-30 min; however, the room temperature is required to be kept at about 55-60 DEG C and the relative humidity is controlled at 70-85% during constant-temperature humidification and heaping for yellowing. Therefore, various effective components such as tea polyphenols, aromatic substances and the like in the fresh leaves are promoted to be converted. The yellow tea prepared by the invention has special flavor, is tightly rolled into a semispherical shape, is coated with silver hair, is yellow and moist in color and luster, is sweet and lasting in fragrance similar to honey fragrance, tastes sweet, mellow, smooth and active, and is yellow, bright and clear in soup color.

The invention discloses polysilazane containing a perfluorinated branched short chain and a preparation method of the polysilazane. The method comprises the following steps: (1) under the protection of inert gas, adding chlorosilane and a perfluorinated branched short-chain compound into a solvent for reaction to obtain a fluorine-containing chlorosilane monomer; and (2) adding a fluorine-containing chlorosilane monomer and a chlorosilane monomer into a solvent, and carrying out ammonolysis reaction under the protection of inert gas to prepare the fluorine-containing polysilazane. According to the invention, a perfluorinated branched short chain is introduced into polysilazane, so that the polysilazane is endowed with the characteristic of low surface energy, and meanwhile, the problems of toxicity and biological accumulation caused by a long-chain perfluorinated chain segment are avoided.

The invention relates to the technical field of plant genetic engineering, in particular to an OsRbohB gene, an OsRbohB gene mutant and application of the OsRbohB gene mutant. The nucleotide sequence of the OsRbohB gene provided by the invention is as shown in SEQ ID No. 1, the OsRbohB gene mutant is obtained by performing ubiquitination modification or phosphorylation modification site mutation on the OsRbohB gene, and the nucleotide sequence of the OsRbohB gene mutant is as shown in SEQ ID No. 3 and SEQ ID No. 5. The specific embodiment of the invention proves that after the OsRbohB gene and the mutant thereof are over-expressed, the resistance of rice to rice blast can be improved, and the mutant obtained by mutation of bases at the ubiquitination modification and phosphorylation modification sites of the OsRbohB gene shows a higher resistance level. The OsRbohB gene and the mutant thereof can be introduced into other rice varieties as target genes to improve the disease resistance of the rice so as to improve the rice varieties.

The invention discloses ketone-flavor type lactobacillus paracasei and application thereof in preparation of fermented dairy products. The ketoaroma type lactobacillus paracasei is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M20242380. Tests prove that the lactobacillus paracasei has good diacetyl production capacity and acetoin production capacity in the fermentation process of cow milk, and the diacetyl production capacity and the acetoin production capacity respectively reach 3.6 mg / kg and 2.9 mg / kg. Diacetyl and acetoin are two important ketone compounds in the fermented milk, and endow the fermented milk with strong milk flavor. The invention also provides a leavening agent which contains the casei paracasei. The invention also provides an application of the ketone-flavor type caseobacterium casei in fermented milk. The results of flavor detection and sensory evaluation on the fermented milk containing the ketone-flavor type lactobacillus paracasei TGK show that the ketone-flavor type lactobacillus paracasei TGK disclosed by the invention is relatively good in ketone compound production capacity in the fermented milk and relatively high in sensory score, the flavor compound types of the fermented milk are increased, and the aroma quality of the fermented milk is improved.

The invention discloses a preparation method and application of a milk-derived immunomodulatory peptide, milk-derived casein is taken as a raw material, known immunomodulatory peptide is screened, virtual enzymolysis is performed on the known immunomodulatory peptide, and the immunomodulatory peptide is separated and prepared by a verification and freeze drying method. The casein can be subjected to targeted enzymolysis, the relative content and variety of the immunomodulatory peptide are increased, the situation that the immunomodulatory effect of other immunomodulatory casein peptide products is measured after pure enzymolysis, and the efficacy of the immunomodulatory peptide is not enhanced is reduced, the better immunomodulatory effect is achieved, and the immune cell proliferation effect is effectively promoted.

The utility model discloses a pair of intelligent glasses capable of correcting posture and relieving eye fatigue, which relates to the technical field of intelligent glasses and comprises a nose bridge, two glasses frames symmetrically and fixedly mounted at two ends of the nose bridge, two pile heads symmetrically and fixedly mounted on one sides, which are separated from each other, of the two glasses frames, and a posture monitoring module fixedly mounted on one side of the nose bridge; according to the device, the posture of a user is monitored in real time through the posture monitoring module, the state of the liquid crystal lens is adjusted after the user keeps a wrong posture for a period of time, the user is prevented from continuously watching a screen in a bad posture, and meanwhile, light with a specific wavelength is emitted through the light stimulation module to stimulate acupuncture points around the eyes; in addition, a PLC is arranged in the intelligent interaction screen, meanwhile, various kinds of application software are arranged, a user can check posture data, adjust direction parameters of the light stimulation module and receive reminding of posture correction, a small storage battery can store and release electric energy, and the types of application scenes of the device are increased.

The invention discloses a color image encryption method based on dynamic constraint holographic coding, and the method comprises the encryption steps: firstly, coding a color plaintext image into a pure phase hologram based on dynamic constraint holographic coding, and then converting the pure phase hologram into a conversion amplitude through phase-to-amplitude conversion; finally, the converted amplitude is encrypted into a visible ciphertext image by using an iterative phase retrieval algorithm under structured light illumination, and a diffraction neural network is generated at the same time; and a decryption step: firstly, generating decryption structured light by using the decryption structured phase mask to illuminate the visible ciphertext image, carrying out forward diffraction propagation, generating a reconstruction amplitude after phase modulation of the diffraction neural network, and then converting the reconstruction amplitude into a conversion phase through amplitude-phase conversion, and finally, performing color holographic reconstruction decryption on the converted phase to obtain a color decrypted image. The color image encryption method provided by the invention has the advantages of large key space, high security and high concealment.

The invention discloses a rapid pressure reduction system which comprises a blasting laboratory, a butterfly valve, a second blasting device, a negative pressure storage tank, an adjusting device used for adjusting the size of a blasting channel, a first blasting device and a vacuum equipment box used for vacuumizing the negative pressure storage tank. Two pipelines are connected between the blasting laboratory and the negative pressure storage tank, one pipeline is a short pipeline, and the other pipeline is a long pipeline; the butterfly valve and the second blasting device are installed on the short pipeline, and the butterfly valve is located between the blasting laboratory and the second blasting device. The adjusting device and the first blasting device are installed on the long pipeline, and the first blasting device is located between the blasting laboratory and the adjusting device. The device is simple, practical, small in occupied space and convenient to combine and use; the rapid blasting experiment and the top-speed blasting experiment of small animals and small products are met, and the control mode is simple, stable and reliable; the cost of experimental equipment is reduced; the device is high in practicability, safe to use and particularly suitable for popularization and application.

The invention discloses an amino acid-hydrated zirconium oxide hybrid material as well as a preparation method and application thereof, and belongs to the field of water treatment. The specific preparation method of the hybrid material comprises the following steps: dissolving amino acid in deionized water, dropwise adding an ammonium zirconium carbonate solution, and stirring at room temperature to obtain a transparent mixed solution; drying the transparent mixed solution at a constant temperature to obtain a white solid, and soaking, washing and filtering to obtain a white precipitate; and drying the white precipitate at constant temperature to obtain a product. The adsorption capacities of the prepared Arg-HZO on Cr (VI) and phosphate are respectively about 14 and 12 times of those of blank HZO, and the adsorption capacities of the Lys-HZO on Cr (VI) and phosphate are also about 15 and 10 times of those of the blank HZO. Even if competitive ions exist in the solution, the Arg-HZO and the Lys-HZO still have excellent adsorption capacity on Cr (VI) and phosphate, and have good anti-interference capacity. The prepared Arg-HZO and Lys-HZO have the advantages of being environmentally friendly, efficient, good in Cr (VI) and phosphate selectivity, high in mechanical stability and the like, and are promising adsorbents for removing Cr (VI) and phosphate in wastewater.

The invention relates to an ultrasonic centrifugal magnetic separation column for strengthening fine-fraction mineral recovery. The ultrasonic centrifugal magnetic separation column comprises a separation cylinder (19); the hollow column body (4) is arranged in the separation cylinder (19) in a penetrating mode, the lower portion of the hollow column body (4) is a double-layer pipe, a concentrate opening is formed in the sealed end of the hollow column body (4), and a concentrate scraper (8) is arranged on the outer side of the hollow column body (4); the small end of the inverted-T-shaped central column (2) is arranged in the hollow column body (4) in a penetrating manner, and the large end of the inverted-T-shaped central column (2) and the hollow column body (4) are arranged at intervals; the fine grain concentrate discharging pipe (14) penetrates through the central column (2) and is connected with a concentrate opening; the coarse and fine grain periodic excitation coil (10) is arranged on the separation cylinder (19) and the hollow cylinder (4); and the elutriation water dividing pipe (15) ascends. According to the device, the stress difference between coarse-grain minerals and fine-grain minerals and between magnetic minerals and non-magnetic minerals in the separation process of the magnetic separation column is enhanced, and the loss of the fine-grain magnetic minerals in tailings is reduced. The problems that an existing magnetic separation column is high in tailing magnetic mineral content and small in concentrate grade improvement are solved, and the concentrate quality is improved.

This invention relates to the field of high-yield cultivation technology, specifically to a high-yield cultivation system and method for dwarfing and dense planting of star anise trees. The system includes a planning and setting module, a soil temperature sensing and monitoring module, a soil temperature analysis module, and a pruning and fertilization adjustment module. The soil temperature sensing and monitoring module includes several temperature sensors buried in the rhizosphere soil of the star anise trees. The soil temperature analysis module receives the daily average and daily difference values ​​of soil temperature collected by the soil temperature sensing and monitoring module, and converts them into information on the microbial activity of the planting soil and the canopy leaf density to regulate planting, pruning, and fertilization. The method includes S1 variety and rootstock selection, S2 dense planting planning, S3 planting and soil temperature monitoring and setting up, S4 pruning and fertilization of young trees, and S5 mature tree management. This invention solves the technical defects of traditional dwarfing and dense planting of star anise trees, such as the mismatch between uniform shaping management and tree growth needs caused by environmental heterogeneity, and yield fluctuations, by constructing a dynamic control system driven by soil temperature data.

The invention discloses an SRB remediation system capable of stably operating for treating heavy metal wastewater for a long time and application, belongs to the technical field of heavy metal wastewater treatment, and solves the problems that in the prior art, mining heavy metal wastewater generally contains high-concentration soluble heavy metal, high sulfate content and low pH value, the ecological environment is seriously damaged, and the service life of the mining heavy metal wastewater is prolonged. And the traditional physicochemical treatment method has the technical problems of high agent consumption, high sludge amount, easiness in secondary pollution and the like. According to the SRB remediation system capable of stably operating for a long time and used for treating heavy metal wastewater, efficient removal and immobilization of heavy metal are achieved on the basis of the biological vulcanization effect of SRB composite flora in a UASB bioreactor in combination with the synergistic effect of microbial communities and the protection mechanism of extracellular polymeric substances, and by constructing the composite SRB flora system, operation parameters are accurately regulated and controlled, so that the heavy metal wastewater treatment efficiency is improved. And efficient and stable removal and fixation of various heavy metals in the AMD are realized in the UASB reactor by utilizing a cooperative protection mechanism of EPS.

This invention relates to the field of spectroscopic measurement technology, and particularly to a measurement system and method for measuring the concentration of high-temperature combustion gases in aero-engines. The measurement system includes a supercontinuum laser source, a first collimating mirror, a second collimating mirror, a spectrometer, and a computer. The measurement method includes acquiring the actual transmittance spectrum of the high-temperature combustion gases; calculating the theoretical transmittance spectrum of the high-temperature combustion gases; constructing constraints; fitting the actual transmittance spectrum and the theoretical transmittance spectrum into the constraints; and calculating the concentration of the high-temperature combustion gases. The measurement system has a lightweight structure, requiring only holes for mounting the laser emission and absorption devices on the inner wall of the aero-engine casing. The measurement method uses a supercontinuum laser source, which, compared to ordinary lasers used in active gas detection, offers better spatial coherence, a wider spectral adjustment range, and higher intensity, enabling the detection of more types of gases. The method uses a multi-band combustion gas absorption model to solve for the temperature of the high-temperature combustion gases, improving the accuracy of the concentration calculation.