187results about How to "Abundant resources" patented technology

The invention discloses a cultural heritage digital display platform, which is mainly applied to the fields of museums, cultural heritage protection institutions, education institutions and the like, and specifically comprises a central control module, and a user interaction module, a multimedia display module, a virtual reality rendering module, a database management module and an intelligent recommendation module which are connected with the central control module. The cultural heritage digital display platform has remarkable beneficial effects in the aspects of improving cultural heritage protection and inheritance efficiency, enhancing user experience and interactivity, realizing personalized recommendation and accurate service, promoting cultural education and propagation, optimizing data management and analysis capability and the like, and is beneficial to protection and inheritance of the cultural heritage; and the cultural literacy and aesthetic level of the public can be improved, and a positive contribution is made to the development of cultural heritage.

The invention relates to an improved FPGA (Field Programmable Gate Array)-based storage system platform and an operation method thereof. The storage system platform comprises an FPGA (Field Programmable Gate Array) master control module which is mounted with a DDR4 (Double Data Rate 4) memory module and serves as a control core of the storage system platform to control high-speed reading of data of external equipment; the communication module is used for reading data of external equipment through an Aurora communication interface and transmitting the data outwards through a 10-gigabit optical port; the NVMe storage module interacts with the FPGA main control module through a hard core PCIe bus and stores external data; the health management module monitors the operation state of the storage system platform; the clock module is used for providing clock management for the work of the storage system platform; the power supply module is used for providing power management for the work of the storage system platform; the FPGA main control module is provided with a file management system used for file management and assisting the FPGA main control module in data management.

The invention belongs to the field of plant genetic engineering, and particularly relates to an OsPIGL gene and a regulation and control method thereof for improving the grain length, thousand grain weight and drought tolerance of rice. The nucleotide sequence of the OsPIGL gene is as shown in SEQ ID NO: 1, and the CDS sequence is as shown in SEQ ID NO: 2; the specific application is that overexpression of the OsPIGL gene effectively improves the grain length, the thousand seed weight and the drought tolerance of the rice, and new gene resources and technical means are provided for rice breeding. The gene and the application of the gene provided by the invention are helpful for cultivating a new rice variety with excellent agronomic traits and stress resistance and improving the yield and quality of rice, and have important significance for guaranteeing grain safety.

The invention discloses an alpine grassland degradation monitoring and predicting method and system, and relates to the technical field of data processing. According to the alpine grassland degradation monitoring and predicting method and system, a grazing monitoring area and a mouse hole monitoring area of the alpine grassland are determined based on analysis of grazing monitoring data and mouse hole monitoring data of each monitoring area of the alpine grassland and historical area ground data of the alpine grassland; monitoring the grazing monitoring area and the mouse hole monitoring area of the alpine grassland to obtain ground data of the selected monitoring area; based on meteorological altitude factors of the alpine region, data acquisition conditions of the plurality of remote sensing devices are analyzed, first syn-position remote sensing representative data of the alpine grassland are selected, and grassland vegetation conditions of the monitoring region are evaluated in combination with ground data of the monitoring region, so that alpine grassland degradation prediction is realized. The grassland degradation condition is comprehensively analyzed and predicted, the accuracy of grassland degradation monitoring in the high-cold region is expected to be improved, and a scientific basis is provided for grassland resource management and protection.

The invention belongs to but not limited to the technical field of electrode materials, and particularly relates to a preparation method of a bamboo-based hard carbon sodium battery negative electrode material, which comprises the following specific steps: S1, cleaning and drying natural bamboo, scraping surface bamboo green with a knife, and cutting into small blocks; s2, a dilute acid solution is prepared, the bamboos are soaked in the dilute acid solution in a vacuum mode, then the bamboos and the dilute acid solution are transferred into a hydrothermal kettle together, a solvothermal acidolysis reaction is conducted under the high-temperature and high-pressure condition, ash removal and impurity removal are conducted, and meanwhile the bamboos are softened; s3, the bamboo wood subjected to solvothermal acidolysis is washed with water and dried, and a tubular furnace is used for pre-carbonization treatment; after pre-carbonization, a sample is subjected to ball milling, grinding and screening, then is transferred into a graphite mold, and is put into a discharge plasma sintering furnace for high-temperature sintering carbonization; and S4, carrying out ultrasonic oscillation on the carbon powder subjected to discharge plasma treatment, re-screening, and carrying out chemical vapor deposition carbon coating to obtain the bamboo-based hard carbon sodium battery negative electrode material.

The invention relates to the technical field of soil improvement, and discloses a carbon-based material as well as a preparation method and application thereof. The carbon-based material is electron shuttle modified lignin. According to the carbon-based material provided by the invention, the lignin is subjected to surface modification by using the electron shuttle, the lignin is rich in resource, easily available in raw material, low in cost, good in stability and harmless, and high electron shuttle activity fragments are introduced on the surface by combining with the electron shuttle, so that the electron shuttle capability is greatly improved; the carbon-based material has the capability of promoting reduction and dissolution of soil minerals, and can be applied to soil improvement, improvement of electron transfer rate between microorganisms and minerals, acceleration of mineral dissolution and activation of soil mineral elements, effective regulation and control of soil iron circulation process so as to improve soil trophism, and guarantee for healthy growth of plants. Compared with a small-molecule shuttle, the shuttle is not easy to deteriorate or lose in the environment, can play a role in soil for a long time, and has great application potential for carbon sequestration and quality improvement of soil and guarantee of crop nutrition.

The invention discloses a solar refrigeration device and a permafrost protection method, and belongs to the technical field of permafrost protection.The refrigeration device comprises a solar driving unit, an absorption type refrigeration unit and a cooling capacity transmission unit, and the solar driving unit provides a heat source for a bubble generator of the absorption type refrigeration unit and provides power for circulating flowing of a refrigerant; and a condensation section of the cold energy transmission unit is arranged in the cold storage assembly to absorb cold energy, and the cold energy is transmitted to a permafrost degeneration disease work site where the traffic infrastructure is located through a refrigeration section to protect permafrost. The green refrigeration technology is introduced into the field of traffic infrastructure from the field of building environment, the refrigeration device and the condensation section and the refrigeration section of the cooling capacity transmission unit are separately arranged according to application scenes, the function of protecting permafrost is achieved, and the scene adaptability is high; solar energy is used as a driving source, external power supply is not needed, self-driven operation is achieved, the intelligent degree is high, and green and energy-saving effects are achieved; no moving part exists, and the service life is long; installation is convenient, operation is automatic, and reliability is high.

The invention provides a feline animal bifidobacterium, a metagen, a pharmaceutical composition and application, the feline animal bifidobacterium is named as animal bifidobacterium GYJC-001, the strain is preserved in the China Center for Type Culture Collection on July 22, 2024, and the preservation number is CCTCC NO: M 20241621. The invention further provides a preparation method of the feline animal bifidobacterium, the metagen, the pharmaceutical composition and the application of the feline animal bifidobacterium, the metagen, the pharmaceutical composition and the application of the feline animal bifidobacterium, the metagen, the pharmaceutical composition and the application of the feline animal bifidobacterium. The bifidobacterium animalis GYJC-001 disclosed by the invention has the advantages that the acid resistance and cholate resistance are high, the intestinal colonization ability is strong, the probiotic effect is better, the toxic and side effects are avoided, and a certain theoretical basis is provided for the development of the bifidobacterium animalis GYJC-001.

The invention discloses application of lupane derivatives in preparation of medicines for preventing and / or treating drug-induced deafness, and belongs to the field of biological medicines. The lupane derivative is represented by Chiisanoside, and experiments prove that the lupane derivative can activate the expression of Dock1 and PIP5K1A, inhibit the expression of Gelsolin and inhibit hair cytoskeleton actin instability induced by ototoxic drugs, and the lupane derivative has the advantages that the lupane derivative can be used for inhibiting the ototoxic drug-induced hair cytoskeleton actin instability, and the lupane derivative can be used for inhibiting the ototoxic drug-induced hair cytoskeleton actin instability; in addition, by activating expression of TGFBR2, SLC7A11 and GPX4 at the same time, hair cell ferroptosis induced by ototoxic drugs can be inhibited; further, the effects of preventing, treating or relieving the drug-induced deafness are exerted. The lupane derivative disclosed by the invention can be further developed into a multi-target therapeutic drug for preventing, treating and relieving drug-induced deafness.

The invention discloses a CeO2-MnOx superfine nanofiber catalyst as well as an electrostatic spinning preparation method and application thereof, and belongs to the technical field of material preparation and environmental protection. N-N dimethylformamide (DMF) is adopted as a solvent, cerium nitrate hexahydrate and manganese acetate tetrahydrate are adopted as precursor salts, polyvinylpyrrolidone (PVP) is adopted as a flocculating agent, a gelatinous precursor solution is formed, jet stretching is performed under the high-voltage electrostatic effect, a nanofiber membrane is obtained at the collecting end, and after drying, the CeO2-MnOx superfine nanofiber is obtained through calcination of a stepped heating program. The diameter of the catalyst is 300-400 nm, the catalyst has good oxidation reduction capacity, by means of the efficient electron transfer capacity of the nanofiber morphology and the confinement effect of a fiber cavity, the catalyst shows excellent ultralow-temperature denitration activity and sulfur resistance, denitration reaction is carried out within the temperature range of 75-225 DEG C, the NO conversion rate can be 95% or above, and the catalyst has the advantages of being low in cost and high in efficiency. The catalyst can be applied to the field of flue gas ammonia selective catalytic denitration in non-power industry, and has a good industrial application prospect.

The invention relates to the technical field of batteries, in particular to a hydrogel adhesive, a preparation method thereof, a negative electrode and a battery. The invention discloses a hydrogel adhesive which comprises the following raw materials: a flexible hydrogel polymer, an alginate polymer and a self-healing polymer, and the weight ratio of the flexible hydrogel polymer to the alginate polymer to the self-healing polymer is (3.2-3.5): 1: (3.2-3.5). The hydrogel adhesive provided by the invention has a chain entanglement foam structure, can effectively solve the problem of expansion of a Si-based negative electrode, and improves the cycle life and cycle stability of a battery.

The invention relates to the technical field of capacitor electrode material preparation, in particular to a sulfur-doped nickel-manganese layered double hydroxide electrode material, a preparation method and a capacitor, and the preparation method comprises the following steps: growing sulfur-doped nickel-manganese layered double hydroxide on foamed nickel by using a simple and feasible one-step hydrothermal method; oxygen vacancies are introduced into the electrode material through a safe and harmless chemical reduction method; wherein the layered double hydroxide has a relatively large specific surface area and rich active sites, so that permeation of electrolyte and diffusion of ions are facilitated; through combination of sulfur doping and oxygen vacancy, the electronic structure of the electrode material can be synergistically optimized, and the electrolyte adsorption capacity and the electronic conductivity of the electrode material are enhanced. The problems that in the prior art, due to the fact that transition metal layered double hydroxides are low in electric conductivity and poor in electron transmission efficiency, actual energy density and power density are low, and cycling stability is poor are solved.

The invention relates to a brain image generation method and system based on multilevel structure constraint, and a medium. The generation method comprises the following steps: preprocessing brain MRI image data; generating a high-fidelity cross-modal brain image through decoupling content features and attribute features by using a generative adversarial network framework of decoupling and comparative learning; pixel-level granularity discrimination: discriminating pixel-level features by using a brain memory library to enhance discrimination ability and optimize a memory space; and structure-level granularity discrimination: constraining different brain structures by dynamically adjusting a weight strategy so as to improve the learning effect of samples difficult to recognize. Compared with the prior art, the hierarchical granularity discrimination method provided by the invention aims to solve the problem of neglecting spatial coherence of structural hierarchical representation and anatomical consistency of content in a model training process by utilizing multi-level semantic information in a medical image.

The utility model discloses a green curtain wall for subway ground buildings in hot areas, which comprises a plane material component, a support component, a connecting component and a sealing material component, the plane material component is formed by splicing a plurality of groups of photovoltaic glass, the support component is respectively composed of an aluminum alloy cross beam and an aluminum alloy upright post, and the connecting component is connected with the aluminum alloy upright post. The top and the bottom of one side in the aluminum alloy stand column are provided with insulation protection sleeve wire passing holes. According to the photovoltaic curtain wall system, each piece of photovoltaic glass on the curtain wall system is divided into independent small units, and a plurality of photovoltaic curtain wall assemblies are evenly arranged on the outer wall face to form a complete curtain wall; the connecting components are arranged to be connected with the keel cross beams, installation is easy and convenient, independent disassembly can be conducted, and overhaul and maintenance are very convenient and fast; and meanwhile, the photovoltaic glass cable is ingeniously hidden in the curtain wall stand column and the cross beam, so that any change cannot be seen from the appearance, and perfect fusion is realized.

The invention relates to a traditional Chinese medicine composition for treating psoriasis as well as a preparation method and application thereof. The traditional Chinese medicine composition is prepared from the following raw materials: herba portulacae, radix sophorae flavescentis, cortex dictamni, honeysuckle flower, fructus kochiae, cortex phellodendri, cacumen biotae, radix paeoniae rubra and radix arnebiae seu lithospermi. The traditional Chinese medicine composition has the advantages of scientific and reasonable formula, synergistic interaction, few components and controllable quality. In the formula, the compatibility of monarch, minister, assistant and guide is scientific and reasonable, anti-inflammatory and immunoregulation compatibility of heat-clearing, blood-cooling and itching-relieving medicines can effectively remove pathogenesis and enhance the itching-relieving effect, the effects of anti-inflammatory, anti-proliferation and local vasoconstriction are achieved, the advantages of effect enhancement and toxicity reduction are achieved, and the risk of relapse can be reduced. Therefore, epithelial tissue repair is promoted, skin keratinization dynamic balance is maintained, relapse of psoriasis is effectively prevented, and pain of patients is reduced.

The invention discloses a preparation method and application of flame-retardant radiation refrigeration cellulose foam, and belongs to the technical field of material science. The method comprises the following steps: firstly, adding cellulose fibers, inorganic nanoparticles and a surfactant into a cellulose derivative solution, and preparing uniform cellulose fiber wet foam in a high-speed stirring manner; and then, drying the wet foam to finally obtain the cellulose fiber foam material with excellent flame retardance and radiation refrigeration performance. The prepared cellulose fiber foam has a graded porous structure, can effectively reflect sunlight and emit infrared light, and has excellent radiation refrigeration performance. In addition, inorganic nanoparticles are introduced into the foam material, so that the radiation refrigeration capacity of the material is further improved, and meanwhile, the foam is endowed with a good flame-retardant characteristic.

The invention discloses a heterojunction composite catalyst and a preparation method and application thereof. The heterojunction composite catalyst of the invention comprises the following steps: melamine is calcined multiple times to obtain graphite-like carbon nitride nanosheets; copper salt, indium salt and thioacetamide are dissolved in water, and then graphite-like carbon nitride nanosheets are added, and the heterojunction composite catalyst is obtained after sufficient reaction at 80°C to 120°C. The heterojunction composite catalyst of the invention is a graphite-like carbon nitride main material obtained by multiple calcinations, and the copper indium sulfur compound is loaded on the graphite-like carbon nitride by in-situ deposition. The catalyst is a two-dimensional trapezoidal heterojunction catalyst, which has the advantages of high efficiency, good activity, good stability, environmental friendliness and low production cost in photocatalytic production of H2O2, and is suitable for actual production and application.

The invention relates to the technical field of lithium ion batteries, in particular to a sodium ion poly-cathode and anode material synthesized by a solid phase method and a preparation method thereof. The sodium ion polycathode and anode material is sodium ferric fluorophosphate (NFPF), the chemical composition of the sodium ferric fluorophosphate (NFPF) is Na < 4 + x > Fe < 3 + y > P4O12 + zF gamma, and x is greater than or equal to-0.1 and less than or equal to 0.1; y is in the range of-0.1 < = y < = 0.1; z is more than 0 and less than or equal to-1; 0 < gamma < = 2. The sodium ion polycathode and anode material-sodium ferric fluorophosphate (NFPF) prepared by the solid phase method has the advantages of high ion and electron conductivity, structural stability, easiness in synthesis of a pure phase and the like, is favorable for improving the performance of a battery and reducing the production cost, and has a wide application prospect.

The invention discloses a preparation method of a silk fibroin-polydopamine water-based binder, the silk fibroin-polydopamine water-based binder and application of the silk fibroin-polydopamine water-based binder. The preparation method comprises the following steps: (1) removing sericin from silkworm cocoons by using a sodium carbonate solution, drying, and dissolving degummed silk by using a lithium bromide solution; (2) dialyzing the solution dissolved in the step (2), and freeze-drying I to obtain water-soluble silk fibroin; (3) dissolving the obtained water-soluble silk fibroin in water to obtain a silk fibroin solution; and (4) adding dopamine hydrochloride into the silk fibroin solution for reaction, and performing freeze drying II to obtain the silk fibroin-polydopamine water-based binder. The binder prepared by the invention can effectively improve the ionic conductivity of a positive electrode and the transmission efficiency of sodium ions, and effectively improve the cycle performance and rate capability of a battery.

The invention discloses an intelligent temperature control system. The system comprises a solar heat collection plate, an energy storage device and an intelligent temperature control integrated circuit. The solar heat collection plate is connected with the energy storage device, and solar energy is converted into heat energy to be stored in the energy storage device. On the basis, renewable solar energy can be used as an energy source, and dependence on traditional fossil energy is eliminated. The processor in the intelligent temperature control integrated circuit can predict the indoor temperature change condition based on the historical temperature sequence, the weather sequence, the air humidity sequence and the indoor biological condition, and determine the heat energy release measure based on the indoor temperature change condition and the target temperature; heat energy release operation is conducted on the energy storage device based on the heat energy release measures so as to adjust the indoor temperature; on the basis, adjustment is not carried out only according to the current temperature, and pre-judgment and active intervention are carried out in advance. It can be seen that environment protection and energy saving can be guaranteed, meanwhile, the indoor temperature adjusting process is accelerated, and the use experience feeling and the living comfort degree are improved.

The invention discloses a magnesium / alkali metal hybrid battery containing a layered MnO2 positive electrode material, which comprises a positive pole piece, a negative pole piece and a magnesium / alkali metal double-salt electrolyte, the positive pole piece comprises the layered MnO2 positive electrode material, the negative pole piece comprises the layered MnO2 positive electrode material, and the magnesium / alkali metal double-salt electrolyte comprises the layered MnO2 negative electrode material. The negative pole piece is pure magnesium metal, and the electrolyte is magnesium / alkali metal double-salt electrolyte. The invention also provides a preparation method of the magnesium / alkali metal hybrid battery containing the layered MnO2 positive electrode material. The high-magnesium / alkali metal hybrid battery provided by the invention has a high voltage window; compared with the prior art, the layered manganese dioxide positive electrode material has the advantages that dendritic crystals are not easily generated on the magnesium negative electrode side, meanwhile, the advantage of high ion migration rate of alkali metal ions in the positive electrode material is achieved, the electrochemical performance of the layered manganese dioxide positive electrode material in a high-voltage magnesium-based hybrid battery is improved, and the layered manganese dioxide positive electrode material is a low-cost and high-safety novel secondary battery system.

The invention discloses a fine boring machining tool for the inner cambered surface of an anode tank of a lithium battery crude foil engine. The fine boring machining tool comprises an auxiliary spindle, a tool rest, a center frame and a support. The tool rest is welded on the auxiliary spindle; the center frame is fixed on the support; the knife rest is integrally rhombic, is thick in the middle and thin at two ends and is symmetrically distributed; lightening holes are formed in the tool rest, tool boxes are arranged on the two sides of the tool rest, and boring tools can be installed in the tool boxes. The knife rest and the auxiliary spindle are welded into a whole and then quenched and tempered, the quenched and tempered knife rest is welded with a knife handle at one end of the auxiliary spindle, and the other end of the knife rest on a horizontal lathe serves as a sliding end which is supported by a support and a center frame. The solution that in the prior art, product machining can be completed only by purchasing a customized machine tool is eliminated, and the investment cost of fixed assets is saved; the machining precision and the machining efficiency of the fine boring tool are superior to those of a special customized machine tool.

The invention relates to the field of titanium alloy materials, in particular to an inactive eutectoid element regulated alpha + beta type titanium alloy and a preparation method thereof. The titanium alloy comprises the following chemical components in percentage by mass: 5.0 to 7.0 percent of Al element, 2.0 to 4.0 percent of Nb element, 1.0 to 3.0 percent of Mo element, 1.0 to 3.0 percent of V element, 1.0 to 2.0 percent of Zr element, 0.5 to 3.0 percent of Fe element and the balance of Ti. The preparation process of the titanium alloy comprises the steps of electrode pressing, cast ingot preparation, high-temperature homogenization treatment, forging, rolling, solution treatment and aging treatment. The strength and toughness of the titanium alloy are adjusted by regulating and controlling the content of the non-active strong beta stable element Fe, the alpha + beta type high-strength and high-toughness titanium alloy with different strength levels is obtained, and the alpha + beta type high-strength and high-toughness titanium alloy can be widely applied to the important fields of aerospace, ocean engineering, weaponry, petrochemical engineering, automobile industry, biomedical treatment and the like.

The invention discloses a methane pre-cooling fuel gas generator circulation turbine enhanced combined power system which comprises a fuel turbine, a heat exchanger, a gas generator, a gas generator, a gas generator, a gas generator, a gas generator, a gas generator and a gas generator, and is characterized in that the heat exchanger is used for providing heat for fuel from a fuel pump and conveying high-temperature fuel gas to the fuel turbine so as to drive the fuel turbine to rotate; the oxidant turbine is used for driving the oxidant turbine to rotate by taking the high-temperature fuel gas output by the heat exchanger and the high-temperature fuel gas flowing out of the fuel turbine as power, so that the oxidant turbine drives the oxidant pump to work; high-temperature fuel gas obtained after the fuel from the fuel pump is heated by the heat exchanger is also used for being converged with high-temperature fuel gas sequentially passing through the fuel turbine and the oxidant turbine and then entering the fuel gas generator; liquid methane is adopted for precooling incoming flow, the total temperature of incoming flow behind an air inlet channel is effectively reduced, the upper limit of the working Mach number of the turbine core machine can be expanded to be larger than Ma3.5, a stamping mode matched with the turbine core machine only needs to consider the working speed range larger than Ma3.5, and the working performance of the turbine core machine can be well released.

The invention relates to an automatic test system and method for UDS diagnosis, based on a CAN bus technology, Kvaser is used for communicating with a TCU, Labview is used for developing Kvaser-based UDS test software, ECU TEST calls the test software to perform automatic test of the UDS, and meanwhile, joint test of other functions of the TCU is also supported. A test case is written through the EUC TEST, and test software is called to automatically execute the test case, so that automatic testing of an application layer and a network layer of the UDS is realized. The test software can also directly test the application layer and the network layer, and supports the request and data analysis of the application layer service. Through testing and result judgment of continuous frames, flow control frames, time parameters and unknown messages of a network layer, it can be guaranteed that network layer test cases are executed within one minute, and data analysis, report generation and the like are carried out.

The invention provides a compound preparation for reducing the toxic effect of zearalenone of bred animals as well as a preparation method and application of the compound preparation, and belongs to the technical field of medicines for livestock and poultry. The invention provides a compound preparation for reducing the toxic effect of zearalenone of bred animals. The compound preparation is prepared from the following components in parts by weight: 40 to 50 parts of total flavonoids of radix astragali seu hedysari, 0.1 to 0.4 part of selenium-enriched yeast, 10 to 15 parts of modified montmorillonite and 1 to 4 parts of vitamin C. The four components in the compound preparation are mutually matched and synergistically synergized to reduce the toxic effect of zearalenone and resist zearalenone poisoning of bred animals, and the compound preparation has high safety, so that the production performance of the bred animals and the quality of animal-derived products are improved, the green and healthy development of animal husbandry is promoted, the preparation method is simple, the cost is low, and the compound preparation is suitable for industrial production. The method is suitable for large-scale production and application.

The invention provides a positive electrode lithium supplementing material and a preparation method and application thereof. The positive electrode lithium supplementing material is a non-stoichiometric ratio compound, the chemical composition of the positive electrode lithium supplementing material is Li (2-x) Mn (1-y) MyO3, M is a doping element, x is more than 0 and less than or equal to 0.2, and y is more than or equal to 0 and less than or equal to 0.2; the valence state of M is not + 4, or the pure-phase lithium oxide of M and the layered Li2MnO3 material are isomerized. The positive electrode lithium supplementing material has a good lithium supplementing effect, and also has relatively low activation difficulty and excellent interface stability.

The invention relates to the technical field of plant compositions, in particular to a preparation method of a plant composition, which is simple, convenient and reasonable in process, and the obtained plant extract has obvious effects of delaying skin aging and improving body functions, can promote the generation of ATP in fibroblasts, and has a good application prospect. The traditional Chinese medicine composition can inhibit the gene expression of metalloproteinase-1 and metalloproteinase-3 in senescence fibroblasts, can achieve the effects of improving the body function and resisting the senescence of organs such as the skin through oral administration or skin administration, and is rich in resource because the astragalus membranaceus and the dendrobium nobile are mainly adopted as the raw materials; the extracted plant composition extract has a remarkable anti-aging effect, and the plant composition which is rich in resource and remarkable in effect can be obtained, so that the problems that an existing plant composition is high in price and not remarkable in effect are solved.

The invention discloses a plant-based aqueous total synthesis cutting fluid for metal processing and a preparation method thereof, and belongs to the technical field of metal processing fluids, the raw materials comprise plant-based fatty acid, organic amine, organic acid, a plant fatty acid polymer, a lubricant, a bactericide, a corrosion inhibition inhibitor, an antifoaming agent and water. The plant-based cutting fluid is produced by replacing fossil product raw materials with plant-based raw materials, has the advantages of simple and easily available raw materials, abundant resources, reproducibility, biodegradability and the like, has super lubricating performance, can prolong the service life of a cutter, and is suitable for industrial production. The cutting fluid keeps and even exceeds the processing and using effects of the traditional mineral oil-based cutting fluid, and is the best substitute of mineral oil-based products.

The invention relates to the technical field of textile materials, and particularly discloses a cellulose-based macromolecular eutectic solvent, a preparation method and application in radiation refrigeration fabrics. The cellulose-based macromolecular eutecticevaporate solvent is prepared from carboxylated cellulose nanofibers and betaine in a mass ratio of 4: (1-10), the cellulose-based macromolecular eutecticevaporate solvent can well interact with various textile fibers due to the unique chemical structure and physical properties of the cellulose-based macromolecular eutecticevaporate solvent, and the cellulose-based macromolecular eutecticevaporate solvent can uniformly permeate into the fibers when being used for preparing radiation refrigeration fabrics, so that the radiation refrigeration fabrics have good radiation refrigeration performance. The fiber is effectively modified and functionalized, the original physical structure and mechanical property of the fiber are not damaged, and the flexibility, the air permeability and the wearing comfort of the fabric can be still kept on the basis of improving the radiation refrigeration performance of the fabric, so that the fabric has an efficient cooling function and also has an anti-radiation function. The basic use characteristics of the traditional fabric are not lost, and the application potential of the radiation refrigeration fabric in the field of clothing is widened.