32 results about "Haloxylon ammodendron" patented technology

The invention discloses bacillus orientalis ZL3 for regulating rhizosphere soil microecosystems of haloxylon ammodendron soil in deserts and promoting the growth of the haloxylon ammodendron soil, particularly relates to a fungicide ZL3 for promoting the growth of haloxylon ammodendron and regulating rhizosphere microbial communities and application of the fungicide ZL3, and belongs to the technical field of microorganisms. According to the bacillus toonensis ZL3 provided by the invention, the conversion of soil nutrients to available nutrients is improved, and the rhizosphere microbial community structure is improved, so that the effect of promoting the growth of haloxylon ammodendron is achieved. When the ZL3 is applied to a haloxylon ammodendron field, the content of soil organic matters, the content of soil quick-acting potassium, the content of available phosphorus and the activity of sucrase are remarkably improved by 37.78%, 11.01%, 49.66% and 67.71% respectively. The plant height is increased by 17.59%, and the root length is increased by 109.45%. Meanwhile, the positive change of microbial communities is regulated and controlled, especially the enrichment of beneficial bacteria, the relative abundance of the prevotella and the vibrio is remarkably increased, and the relative abundance of the burkholderia is remarkably reduced. In general, inoculation of the ZL3 fungicide can promote the growth and development of haloxylon ammodendron by improving the soil fertility and improving the rhizosphere microflora structure.

The invention relates to the technical field of haloxylon ammodendron forest rejuvenation in an arid region, in particular to a degenerated haloxylon ammodendron forest stumping, updating and rejuvenating method which comprises the following steps: (1) performing stumping treatment on target plants from late February to mid-March in early spring; (2) applying a composite modifier within 1-3 days after stumping; (3) carrying out periodic moisture regulation and control within 1-2 days after the composite modifier is applied; and (4) after the water regulation is finished, covering the base part of the plant with a mixed covering. The method solves the problem that in the prior art, only rejuvenation of the overground part is emphasized, but the health of the underground root system is neglected, the apparent quality of the haloxylon ammodendron forest can be improved, and the long-term stress resistance and ecological adaptive capacity of plants are remarkably improved.

The present invention discloses a fully automatic desert tree planting device, including a vehicle body, a seedling barrel, and seedlings. The vehicle body is provided with a seedling barrel, in which a number of seedlings are placed. A drill rod is also provided on one side of the vehicle body, and the drill rod can move in the horizontal and vertical directions. A seedling clamp is provided next to the seedling barrel, which can clamp the seedling and send it into the drill rod. A seedling pressing rod is provided next to the drill rod to push the seedling out. A covering ring is provided under the seedling pressing rod to fill the seedling with soil. The present invention realizes the soil covering function by providing the covering ring. The covering ring is inserted into the soil, and the soil is moved by the soil-moving piece to gather toward the seedling to form a tree pit, so as to ensure the realization of the water storage function. The covering ring drives the soil-moving piece to rotate after the soil-moving piece is opened, so as to realize the compaction of the soil. The standardized covering ring ensures that each tree pit has sufficient depth and size, and ensures that it has sufficient water storage capacity to avoid rapid loss of soil moisture, and ensure that seedlings such as Haloxylon ammodendron can establish a root system in the early stage of planting, thereby curbing land desertification.

This invention discloses a sand-fixing method utilizing coppicing and sand burial of Haloxylon ammodendron, relating to the fields of windbreak, sand fixation, and vegetation restoration. Based on the natural growth angle of Haloxylon ammodendron branches, this invention applies coppicing and layering treatments to upright and inclined branches respectively. Inclined branches are laid flat against the ground and buried in sand, causing adventitious roots to sprout from the buried internodes and new suckers to grow upwards. These newly formed suckers are guided towards adjacent plants and buried perpendicular to the prevailing wind direction, creating a connected network structure between plants through their root systems and stolons. This invention classifies and treats branches according to their type. Coppicing upright branches reduces plant height and branch height, promoting tillering; sand burial of inclined branches induces adventitious roots, expands the water absorption area, lowers the center of gravity of branches and leaves, and increases ground cover, which is beneficial for improving the sand-fixing efficiency of vegetation, enhancing the water use efficiency of Haloxylon ammodendron, and promoting healthy shrub development.

The utility model belongs to the technical field of planting equipment, and relates to a haloxylon ammodendron intelligent planting integrated workstation which comprises a supply bin, a plurality of automatic planting vehicles and a plurality of irrigation vehicles are parked in the supply bin, a plurality of standby seedling storage barrels and standby water tanks are arranged in the supply bin, and a plurality of charging piles are further installed in the supply bin. The charging pile is used for charging the automatic planting vehicle and the irrigation vehicle, a first solar panel is arranged at the top of the supply bin and used for supplying power to the charging pile, a sapling storage assembly used for storing haloxylon ammodendron saplings is fixedly installed on the automatic planting vehicle, and the two sides of the sapling storage assembly are each provided with an earth cutting system. Soil covering systems are arranged in front of and behind the soil cutting system, and an irrigation system, an irrigation vehicle control sensing system and an irrigation vehicle energy storage system are fixedly mounted on the irrigation vehicle. The supply bin integrates solar energy storage, water supply for the watering vehicle and cultivation of the haloxylon ammodendron saplings, the automatic planting vehicle and the irrigation vehicle work cooperatively, and the planting efficiency and the survival rate of the haloxylon ammodendron saplings are greatly improved.

The invention discloses a haloxylon ammodendron forest biomass estimation method based on unmanned aerial vehicle multi-source data collaborative inversion, and relates to the technical field of environment remote sensing and information, and the method comprises the steps: obtaining a training sample set; obtaining unmanned aerial vehicle multispectral image data and unmanned aerial vehicle laser radar point cloud data of each training sample plot; extracting a first type of feature set comprising vegetation index features and texture features; extracting a second type of feature set comprising a height feature and a density feature; fusing the two types of feature sets to form a joint feature set; screening the joint feature set to construct a target feature subset; and carrying out model training by utilizing a machine learning algorithm to obtain an above-ground biomass estimation model. According to the method, the technical problem that the existing single remote sensing data source is low in precision in estimating the biomass on the desert sparse haloxylon ammodendron forest land is solved, high-precision and automatic estimation from the sample land to the regional scale is realized, and technical support is provided for accurate accounting of the desert carbon reserve in the arid region.

The application discloses a kind of biological plastic bag inside directional water and fertilizer conservation drought sandy land seedling transplanting and keeping alive method, by preparing thermoplastic biological material and processing formation biological plastic bag, using microorganism, bacteria has sensitivity to biological plastic bag and the characteristics of bag body and insoluble in water, it is placed in tree planting pit, mixed organic matter fertilizer, water retaining agent etc. to plant growth promoting substance, realize directional water and fertilizer conservation, guarantee seedling growth initial period required water and nutrient, after seedling root system can penetrate biological plastic bag and go down to the water layer in pit, biological plastic bag will also degrade naturally, at this time, no need artificial intervention.The application is suitable for haloxylon ammodendron, red willow, date palm tree and other various plants suitable for drought sandy land growth, can effectively solve the technical problems of low survival rate of drought sandy land seedling transplanting, water and nutrient loss fast, realize wind prevention and sand fixation, beautify environment, promote economic growth and the comprehensive benefits of grower income increase.

The invention belongs to the technical field of forestry cultivation, and particularly relates to a seedling raising method for promoting perpendicular root system extended growth of haloxylon ammodendron. Comprising the steps that S1, sandy soil, a soil moisture preserving agent and a water retaining agent are mixed to serve as a seedling raising substrate, and the seedling raising substrate is loaded in a seedling raising container with the height being 30-50 cm and the diameter being 5-10 cm; s2, seedling containers are orderly arranged and placed in strip-shaped containers, 3-5 haloxylon ammodendron seeds are sown and covered with a seedling substrate, and an initial watering mode penetrates through the germination period and the initial growth period; s3, after the seedlings are stable, first-class watering is used for cultivation, and after 3-5 pairs of true leaves and stems of the haloxylon ammodendron seedlings grow to be lignified, second-class watering is carried out till the seedling raising period ends; s4, performing shading and seedling hardening on the haloxylon ammodendron seedlings with the height of 15-20 cm before outplanting. By means of the method, the root damage risk of field bare-rooted seedlings and the packing phenomenon caused by plastic nutrition bowl seedling raising can be avoided, the vertical roots of the seedlings are long, the quality is high, and high-quality seedling technical guarantee capable of achieving mechanical operation is provided for desert afforestation engineering.

The invention discloses a stomach-protecting compound beverage taking elaeagnus angustifolia and honey as core functional raw materials and a preparation method thereof, and belongs to the technical field of foods. The elaeagnus angustifolia is a mature fruit of elaeagnus elaeagnus deciduous tree in the family of elaeagnus pungens, and is rich in polysaccharides, polyphenols and dietary fibers; the honey contains fructo-oligosaccharide and a plurality of active enzymes. The two components are compounded to achieve a synergistic effect, mildly assist in improving gastrointestinal functions, repairing mucous membranes and regulating flora balance. The beverage is prepared from the following components in percentage by weight: 25 to 60 percent of elaeagnus angustifolia fruit extracting solution, 0.25 to 6 percent of (honey and cane sugar), 0.0025 to 0.025 percent of sucralose, 0.05 to 0.3 percent of organic acid system (citric acid monohydrate, DL-tartaric acid and sodium citrate), 0.005 to 0.015 percent of vitamin C, 0.001 to 0.04 percent of iodine-free edible salt and the balance of purified water. The health-care beverage is prepared by scientific compatibility and a mild process, keeps fresh and natural taste, has multiple effects of promoting digestion, repairing gastrointestinal mucosa and regulating intestinal flora, and can be safely drunk for a long time.

This invention discloses a method for denitrifying and removing phosphorus from high-salinity aquaculture wastewater using an algae-bacteria symbiotic coupling system. Dunaliella salina and Haloxylon ammodendron are simultaneously inoculated into the high-salinity aquaculture wastewater, and symbiotic culture medium components are added. The mixture is then cultured at room temperature for 10 days. This invention utilizes Dunaliella salina and Haloxylon ammodendron to construct a stable and efficient algae-bacteria symbiotic system for denitrifying and removing phosphorus from wastewater. This system can efficiently remove high concentrations of nitrogen and phosphorus from high-salinity wastewater and will provide a reference for the treatment of high-salinity aquaculture wastewater.

The invention discloses a microbial inoculum ZL6 with effects of promoting growth of haloxylon ammodendron and regulating and controlling rhizosphere microflora and application of the microbial inoculum ZL6, and belongs to the technical field of microorganisms. According to the bacillus cereus ZL6 provided by the invention, the conversion of soil nutrients to available nutrients is improved, and the rhizosphere microflora structure is improved, so that the effect of promoting the growth of haloxylon ammodendron is achieved. The ZL6 is mixed and applied to a haloxylon ammodendron field, so that the content activities of organic carbon and available phosphorus in soil are remarkably improved by 84.78% and 73.27% respectively. The plant height is increased by 68.11%, and the root length is increased by 206.55%. Meanwhile, the positive change of microbial communities is regulated and controlled, especially the enrichment of beneficial bacteria, the relative abundance of the prevotella and the vibrio is remarkably increased, and the relative abundance of the burkholderia is remarkably reduced. In general, inoculation of the ZL6 fungicide can promote the growth and development of haloxylon ammodendron by improving the soil fertility and improving the rhizosphere microflora structure.

The invention discloses a graphene 13C isotope-based haloxylon ammodendron seedling marking method. The method comprises the following steps: carrying out double-peak pit soil preparation by taking a root of a haloxylon ammodendron seedling as a center; the double-peak pits sequentially comprise a first pit, a first peak, a second pit, a second peak and the earth surface from inside to outside by taking the root of the haloxylon ammodendron seedling as the center; a graphene 13C isotope water-soluble fertilizer is applied to a first pit of the double-peak pits; placing a carbon dioxide absorption device; laying a thin film to cover the double-peak pits, so that the first pit becomes a closed space; according to the method, photosynthesis of the haloxylon ammodendron seedlings is effectively isolated from carbon dioxide generated by respiration of the graphene water-soluble fertilizer and soil microorganisms, so that carbon dioxide with < 13 > C isotope released by respiration of the microorganisms is prevented from being absorbed by photosynthetic organs of plants, and a reliable solution is provided for marking and tracing the haloxylon ammodendron seedlings by adopting the graphene < 13 > C isotope.

The invention discloses a mixed bacterial agent ZL3 + 6 with effects of promoting growth of haloxylon ammodendron and regulating rhizosphere microflora and application of the mixed bacterial agent ZL3 + 6, and belongs to the technical field of microorganisms. According to the bacillus orientalis ZL3 and the bacillus cereus ZL6 provided by the invention, the conversion of soil nutrients to available nutrients is improved, and the rhizosphere microbial community structure is improved, so that the effect of promoting the growth of haloxylon ammodendron is achieved. When the ZL3 and the ZL6 are mixed and applied to a haloxylon ammodendron field, the contents of hydrolytic nitrogen, available phosphorus and rapidly available potassium in soil and the activity of sucrase are remarkably improved and are respectively improved by 49.27%, 80.48%, 12.65% and 64.40%. The plant height is increased by 51.75%, and the root length is increased by 262.18%. Meanwhile, the positive change of microbial communities is regulated and controlled, especially the enrichment of beneficial bacteria, the relative abundance of the prevotella and the vibrio is remarkably increased, and the relative abundance of the burkholderia is remarkably reduced. In general, the ZL3 + 6 inoculant is inoculated to promote the growth and development of haloxylon ammodendron by improving the soil fertility and improving the rhizosphere microflora structure.

The invention belongs to the technical field of sewage treatment, and particularly relates to a salt-tolerant denitrification composite microbial agent as well as a preparation method and application thereof. The salt-tolerant denitrification complex microbial inoculant is obtained by respectively domesticating salt-tolerant bacillus, salt lake vibrio, halophilic pseudomonas and food organic matter halomonas, performing single-bacterium high-density fermentation and compounding. The complex microbial inoculant disclosed by the invention has relatively strong combination and synergy capabilities, a bacterial strain metabolism function has strong synergy complementarity, the bacterial reproduction rate is high, the nitrogen removal efficiency is high, the production cost is low, the complex microbial inoculant is environment-friendly, pollution-free and excellent and efficient in performance, does not need a complex process during use, is directly put in use, and can effectively degrade organic pollutants, COD, NH3-N and TN in a water body.

This invention discloses a method for cultivating Haloxylon ammodendron seedlings, specifically including the following steps: (1) nursery site selection and land preparation; (2) seed treatment; (3) sowing and irrigation; (4) seedling tending and management; (5) disease prevention and control; (6) germination; and (7) transplanting. This invention treats Haloxylon ammodendron seeds collected in autumn and winter before sowing in spring, significantly improving the germination rate. Furthermore, the seedlings sown in spring are uniform, vigorous, and germinate early, exhibiting strong drought and disease resistance, and are better able to cope with soil moisture conditions.

The present application relates to the technical field of genetic engineering, and in particular to a method for virus-induced silencing of a haloxylon ammodendron gene, The present application provides a method for virus-induced silencing of a haloxylon ammodendron gene, comprising the steps of construction of a VIGS vector, transformation of agrobacterium, preparation of a bacterial solution for transfection, and virus homogenate infection of haloxylon ammodendron plants. The virus vector modified from tobacco etch virus is used to establish a haloxylon ammodendron gene silencing system, and the virus homogenate-mediated gene silencing is faster and more efficient, and the haloxylon ammodendron HaCLA1 gene expression is significantly reduced. The present application first applies the VIGS gene silencing technology to haloxylon ammodendron, and establishes an efficient haloxylon ammodendron gene silencing system, which can efficiently silence the target gene of a plant in a short time, is simple and efficient to operate, has a short experimental period and low cost. Meanwhile, HaCLA1 the gene can be used as a reporter gene for haloxylon ammodendron gene silencing, and the constructed vector pTRV2- HaCLA1 can be used as a positive vector for haloxylon ammodendron gene silencing.

The invention discloses an ecological restoration method for improving quality and efficiency of a declined artificial haloxylon ammodendron forest, and belongs to the technical field of desert vegetation restoration. According to the method, a comprehensive decline index is calculated by measuring multiple indexes such as the ratio of dead and dead trees in the haloxylon ammodendron forest, the canopy coverage loss rate of the haloxylon ammodendron forest, the shoot withering rate of the haloxylon ammodendron forest, the total vegetation coverage of the haloxylon ammodendron forest and the root exposure rate of the haloxylon ammodendron forest, and the haloxylon ammodendron forest is accurately divided into four grades of non-degradation, mild decline, moderate decline and severe decline. Then differentiated restoration is carried out according to different decline grades, wherein redundant branches are mainly pruned in light decline forests; thinning two-stage branches and cleaning secondary dead branches in the moderately declined forest; in the severe decline forest, stumping is carried out on the trunk withered plants. And the branches obtained by pruning or stumping are laid on the spot to form a sand barrier, so that resource recycling is realized. The problems that in the prior art, degradation grade division is fuzzy, repairing measures are homogenized, the cost for supplementing other sand barrier materials is high, and the environmental hidden danger is large are solved, precise diagnosis and targeted repairing of the declined haloxylon ammodendron forest are achieved, and the ecological function and stability of the forest stand are effectively improved.

The invention relates to the technical field of Mongolian medicine biological preparations, in particular to a compound preparation containing agriophyllum squarrosum crude oligosaccharide and preparation and application thereof. The compound preparation containing the agriophyllum squarrosum crude oligosaccharide comprises the following raw materials in parts by mass: 4-8 parts of the agriophyllum squarrosum crude oligosaccharide, 1-2 parts of resveratrol, 5-10 parts of sodium carboxymethyl cellulose, 1-2 parts of cellulase, 1-4 parts of sodium alginate and 1-2 parts of lactoferrin peptide. The method is simple in process, low in cost and suitable for mass production; and the agriophyllum squarrosum crude oligosaccharide is loaded and compounded with lactoferrin and resveratrol, so that the stability of the product is improved, and meanwhile, the agriophyllum squarrosum crude oligosaccharide can be used for treating insulin resistance, and is small in dosage, high in drug effect, convenient to take and free of toxic and side effects.

The invention discloses a raw material crushing device and process based on hovenia acerba superfine powder extraction, and relates to the technical field of hovenia acerba raw material crushing. Comprising a main body, a cooling mechanism is fixed to one side of a crushing barrel, a plurality of vibration rods are placed in the crushing barrel, a crushing assembly is arranged on one side of a crushing roller, a cleaning assembly is arranged on one side of a scraper blade, an adjusting assembly is arranged outside an elastic rope, and guide assemblies are arranged on one side of a first guide plate and one side of a second guide plate. When the movable frame moves, the movable frame is driven to slide, then the fixed column and the lifting column are driven to move in the crushing barrel along the cambered surface of the crushing barrel, the spring is arranged between the fixed column and the lifting column, and when the fixed column and the lifting column move along the cambered surface of the crushing barrel, the lifting column can stretch out and draw back in a self-adaptive mode; it is ensured that the crushing rollers can be attached to different areas such as the inner wall of the crushing barrel and medium gaps, uncrushed particle residues are crushed in a targeted mode, the blind area of pure vibration bar crushing is made up, and the crushing uniformity is remarkably improved.

The invention discloses a space moss and haloxylon ammodendron co-culture mutagenesis method, which relates to the field of space breeding and desert ecological restoration, and comprises the following steps: material pretreatment, co-culture system construction, space carrying mutagenesis, gradient domestication culture after returning, mutant screening and excellent strain propagation. The method comprises the following steps: selecting high-quality moss spores and haloxylon ammodendron seeds, constructing a co-culture system, feeding the co-culture system into a space carrying platform, carrying out co-culture mutagenesis for 10-15 days in a composite environment with microgravity of 10 <-3 >-10 <-6 > g and cosmic radiation of 0.5-2.0 Gy, returning the co-culture system to the ground, carrying out gradient domestication, and screening excellent strains of which the stress resistance, the sand stabilization capability and the symbiotic suitability reach the standard. According to the method, space synchronous mutagenesis of moss and haloxylon ammodendron is achieved, the symbiotic synergistic effect is enhanced, the symbiont stress resistance index after mutagenesis is improved by 30% or above compared with a conventional strain, the sand stabilization and soil improvement efficiency is improved by 35% or above, the technical operability is high, and the method can be applied to desert ecological restoration on a large scale.

This invention belongs to the field of biological wastewater treatment, specifically relating to a composite microbial agent, its preparation method, and its application. By mass percentage, it comprises 60%-80% bioactive agent and 20%-40% activity protectant. The bioactive agent includes 66.58%-86.58% of *Haloxylon ammodendron* strains, 7.85%-22.85% of *Hymenobacter* strains, and 5.57%-25.57% of *Thiobacillus* strains. The total viable count of the composite microbial agent is not less than 1 × 10⁻⁶. 9 The compound microbial agent was added to distilled water and cultured under anaerobic shaking conditions to obtain a revived bacterial solution. The supernatant of the revived bacterial solution was mixed with the wastewater to be treated at a volume ratio of 1-10:250, and 100-250 mg / L of a compatible solute was added. The wastewater was then treated under anaerobic conditions. After one week of treatment of low C / N ratio, high-salt phenol wastewater using this compound microbial agent, the denitrification rate remained above 95%, and the phenol degradation rate remained above 80%. This effectively solved the problems of low denitrification efficiency and difficulty in removing phenolic compounds from high-salt phenol wastewater, and the process was simple and low-cost.

The application provides an anti-aging skin tightening composition and a preparation method thereof, and belongs to the technical field of anti-aging skin care, wherein the composition comprises a Haloxylon ammodendron fruit axis extract, a okra seed extract, tetrapeptide-4, acetyl octapeptide-1, a Rissoa parva extract, paeonol and a carnosine-zinc gluconate chelate. The Haloxylon ammodendron fruit axis powder is subjected to aerobic fermentation by Aspergillus oryzae, and the centrifugal supernatant is purified by a composite filler resin column to obtain the Haloxylon ammodendron fruit axis extract. The okra seed is subjected to sequential enzymolysis by composite enzymes, bromelin and subtilisin, and then extracted by adding anhydrous ethanol, and the centrifugal supernatant is purified by an LH-20 dextran gel column to obtain the okra seed extract. The Rissoa parva meat is subjected to sequential enzymolysis by trypsin and earthworm kinase, and the centrifugal supernatant of the enzymolysis solution is subjected to ultrafiltration to obtain a Rissoa parva extract with a molecular weight of less than 3kDa. The components are used in cooperation to achieve the balance between efficient anti-aging and low irritation through the synergistic effect of three pathways of "inhibiting collagen degradation, promoting collagen synthesis and resisting sugar soothing".

The invention discloses a loess subsidence area surface soil fixing method and structure, and relates to the technical field of environmental management. The loess subsidence area surface soil fixing method comprises the following steps: preparing a bacterial liquid and a cementing liquid; the bacterial liquid is bacillus pasteurii bacterial liquid, and the cementing liquid comprises urea and calcium chloride; seed pretreatment; mixing haloxylon ammodendron seeds and agropyron cristatum seeds with the bacterial liquid for seed dressing treatment; sowing and curing; sowing the pretreated haloxylon ammodendron seeds and wheatgrass seeds in the surface soil of the loess subsidence area, and alternately spraying the bacterial liquid and the cementing liquid for multiple times; final-period management: watering maintenance is carried out. According to the loess subsidence area surface soil fixing method and fixing structure, the loess surface layer impact resistance can be improved, and the short-term soil fixing effect and the long-term soil fixing effect are combined.

The honey cake containing the hovenia acerba polysaccharide comprises the following raw materials in percentage by mass: 25-28% of honey, 27-30% of the hovenia acerba polysaccharide, 35-38% of red dates, 1.7-2.2% of table salt and the balance of aluminum-free baking powder, eggs, corn oil and water based on the mass of the flour. The hovenia acerba polysaccharide is fused with a traditional jujube cake making process, and a novel jujube cake product which is low in sugar, balanced in nutrition, unique in flavor and capable of meeting safety standards is developed.

This invention discloses a raw material pulverizing device and process based on the extraction of Hovenia dulcis ultrafine powder, relating to the field of Hovenia dulcis raw material pulverizing technology. It includes a main body, a cooling mechanism fixed to one side of the pulverizing barrel, multiple vibrating rods placed inside the pulverizing barrel, a pulverizing component on one side of the pulverizing roller, a cleaning component on one side of the scraper, an adjusting component on the outside of the elastic rope, and guiding components on one side of the first and second guide plates. When the moving frame moves, it drives the moving frame to slide, thereby causing the fixed column and the lifting column to move along the arc surface inside the pulverizing barrel. A spring is installed between the fixed column and the lifting column. When the fixed column and the lifting column move along the arc surface, the lifting column can adaptively extend and retract, ensuring that the pulverizing roller can conform to different areas such as the inner wall of the pulverizing barrel and the gaps between media, specifically crushing residual uncrushed particles, compensating for the blind spots of simple vibrating rod pulverization, and significantly enhancing the uniformity of pulverization.

The invention discloses a zirconium-based attapulgite composite solid acid catalyst for accelerating ripening of white spirit and a preparation method of the zirconium-based attapulgite composite solid acid catalyst, and belongs to the technical field of white spirit catalytic aging. The preparation method comprises the following steps: dispersing attapulgite powder in a zirconium salt solution, adding an agriophyllum squarrosum extract solution to assist precipitation, aging, washing and drying to obtain a precursor; and dipping with a sulfuric acid or ammonium sulfate solution, and finally roasting at a high temperature to prepare the SO4 < 2-> / ZrO2 / attapulgite composite solid acid catalyst. The catalyst has both Bronsted acid and Lewis acid sites, and is large in specific surface area and high in acid content. When being applied to the ripening acceleration of the white spirit, the solid acid site can efficiently catalyze the alcohol acid esterification reaction and promote the generation of beneficial esters, and the adsorption performance of the attapulgite can be utilized to remove irritant substances such as acetaldehyde and the like, so that the synergism of'catalytic aroma production 'and'adsorption impurity removal' is realized, the aging period of the white spirit is remarkably shortened, and the flavor of a white spirit body is improved. The method is simple in process, green and safe, and the catalyst is easy to separate and can be repeatedly used.

The invention belongs to the technical field of microorganisms, and discloses a strain for producing exopolysaccharide and application thereof in sand fixation. According to the invention, a strain for producing exopolysaccharides is separated and screened from rhizosphere soil of haloxylon ammodendron in Taklamakanensis, the strain is Paenibacillus taklamakanensis TRM82006, the strain secretes the exopolysaccharides, when the strain is applied to aeolian sandy soil, a biological membrane can be formed among soil particles, the motility of sand grains is reduced, wind erosion is effectively prevented, and after natural air drying, a microorganism solidification sand barrier can be formed, so that the effect of producing the exopolysaccharides is achieved. The soil structure can be improved, the soil moisture retention capability is improved, and the plant growth is promoted, so that the method has wide ecological and economic values. The invention provides a sand stabilization method which is environment-friendly, low in cost, quick in effect, simple and easy to implement and excellent in stability for desertification control and ecological restoration, and particularly shows huge application potential in extreme drought and barren environments.

The invention discloses three plastic degradation composite flora and application thereof. And the composite flora comprises a composite flora of pseudomonas and rhodococcus, burkholderia cepacia or mangrove forest salt lazy bacteria, and the composite flora comprises the pseudomonas and the rhodococcus, the burkholderia cepacia or the mangrove forest salt lazy bacteria. The three composite flora provided by the invention has polyester plastic hydrolase activity and has a remarkable degradation effect on polyester such as PET (Polyethylene Terephthalate) and PBAT (Poly (Butyleneadipate-Butyleneadipate-Butyleneadipate-Butyleneadipate-Butyleneadipate-Butyleneadipate-Butyleneadipate-

This invention provides a method for simultaneously increasing the biomass and fucoxanthin yield of *Phaeodactylum tricornutum*, utilizing a *Haloxylon ammodendron*-*Phaeodactylum tricornutum* symbiotic system to simultaneously enhance algal growth efficiency and the accumulation of the high-value product fucoxanthin. Specifically, *Haloxylon ammodendron* and *Phaeodactylum tricornutum* are co-inoculated in F / 2 medium at a bacterial-algal ratio of 10:1 to 100:1 and co-cultured under constant temperature and light for 16 days. This invention utilizes *Haloxylon ammodendron* and *Phaeodactylum tricornutum* to construct a stable and efficient algal-bacterial symbiotic system, which can simultaneously increase the biomass of *Phaeodactylum tricornutum* and the fucoxanthin content, providing a new method for the large-scale, low-cost production of fucoxanthin.