55 results about "Natural regeneration" patented technology

The invention discloses a transformation technology of south subtropical masson pine artificial pure forest to a masson pine-broadleaved uneven-aged stratified mixed stand, and belongs to the technical field of forestry ecology. The technology is a management model which transforms a masson pine even-aged single-storied artificial pure forest into the masson pine-broadleaved uneven-aged stratifiedmixed stand in an early stage, and performs cultivation in a later stage to form a close-to-nature multi-functional selection forest using masson pines as a constructive species through technical measures of using a current masson pine plantation as a management object, forming forest gaps through appropriate thinning, replanting an indigenous broad-leaved tree species under the forest gaps, utilizing natural force to start natural regeneration and the like. The technology disclosed by the invention can change the problems that a traditional masson pine artificial pure forest has a large ecological risk, poor structural stability, and low economic benefits, and through reasonable transformation, the masson pine-broadleaved uneven-aged stratified mixed stand having stable ecological performance and aiming to cultivate large-diameter timber of the masson pines and precious tree species can be formed.

The invention discloses a water purification method capable of realizing in-situ preparation of a catalytic material, catalyzing ozone by the catalyst to oxidize organic micropollutants and realizing in-situ regeneration of the catalytic material, which is economic, effective, simple, convenient and practical. Permanganate, manganese salt, copper salt, cuprous salt and the like are taken as raw materials; copper and manganese composite oxide with high catalytic activity is loaded on a base material in an in-situ reaction manner to prepare the catalyst; the catalyst is applied to the catalysis of the ozone oxidation process, so that the effect of removing the organic micropollutants which are difficult to degrade from water by using the ozone can be effectively improved; and when the catalyst is inactivated or lost, the active material is subjected to load regeneration by a simple and effective in-situ regeneration method.

The invention provides a key technology for culturing in vitro embryos and regenerating plants of ormosia hosiei in western Hubei province, belonging to the technologies of preserving and massively propagating an ormosia hosiei seed resource. The problems that the ormosia hosiei seeds are difficult to obtain and easily eaten by rats, since the seeds are hard, the dried seed husks can not absorb water easily due to poor water permeability, the natural propagation capability and the spreading capability are not strong, the fructification age is late, natural regeneration is difficult, blooming and fructification require 3-5 years, and good seedlings are scarce in the prior art are solved. According to the key technology, full seeds fruiting in the current year are selected as a material; after 20-35 days of embryo induction cultivation, robustly growing embryo plants can sprout up; after 25-45 days of multiplication cultivation, 20-35 days of strong seedling cultivation and 25-35 days of rooting cultivation, seedlings can be formed and then transplanted. The survival rate can achieve over 95%, the propagation coefficient is high, the propagation time is short, the survival rate of seedling transplanting is high, and the seedlings which are robust, tall and straight have bright green leaves and are excellent and uniform in growth.

The invention discloses a garbage incineration ash slag heavy metal solidifying method, and belongs to the field of solid waste disposal and resource utilization. The method comprises the following steps of obtaining waste sundry metal and fine bottom slag after sorting and crushing of the garbage incineration ash slag; using the waste sundry metal for metal regeneration; performing mixing, fusingand water quenching on the bottom fine slag with the garbage incineration ash slag; using the water quenching slag for cement and crystallized glass, wherein the heavy metal in the product is lower than the limit value of Identification Standards for Hazardous Wastes-Identification for Extraction Toxicity (GB 5085.3-2007). The method provided by the invention has the advantages that the process is simple; the industrialization is easy; the goals of safely solidifying garbage incineration ash slag heavy metal and recycling the garbage incineration ash slag heavy metal for cement and crystallized glass can be achieved.

A method of using fucoidan to enhance stem cell mobilization in a subject, including hematopoietic stem cells (HSCs) and bone marrow stem cells (BMSCs) is provided. In the method, a blended composition of fruits, mushrooms, microorganisms, maternal fluids, and extracts thereof are used to promote trafficking of stem cells, resulting in migration of the stem cells to specific sties of maintenance an and repair within tissues and / or organs. The method also involves the use of fucoidan obtained from particular algae species to support release and circulation of HSCs, as demonstrated by significantly increase circulation of HSCs in the peripheral blood. Increased circulation of HSCs and / or BMSCs and migration towards sites of maintenance and the natural regeneration mechanisms in the body. Further provided is a dosing regimen for the administration of fucoidan and a method of enhancing release and circulation of stem cells.

The invention provides a method for promoting regeneration of a natural forest of phoebe bournei. The method comprises the following steps of (1) selective intermediate cutting, (2) land preparation and hole digging, and (3) seedling planting. In the natural forest of phoebe bournei, artificial auxiliary measures are adopted to promote the regeneration of the natural forest of phoebe bournei, notonly are a stand structure and understory illumination conditions improved, the restriction of natural conditions on natural regeneration is overcome, but also a seedling bank of the regeneration of the natural forest is supplemented, the problem that regeneration individuals are lacking in the regeneration process of the natural forest of phoebe bournei is solved, and the conversion from phoebe bournei seedlings into phoebe bournei saplings is effectively promoted. The method for promoting the regeneration of the natural forest of phoebe bournei has the advantages that the method is simple, convenient and feasible, the cost is low, the natural regeneration of phoebe bournei can be promoted, and the social and ecological benefits are better.

The invention relates to a hair regeneration formula. The hair regeneration formula comprises radix astragali, radix angelicae sinensis, galla chinensis, radix polygoni multiflori, cacumen platycladi, herba ecliptae, rhizoma polygonati, rhizoma zingiberis recens slices, semen sesami nigrum, rhizoma chuanxiong, semen glycines nigrae and fructus ligustri lucidi. A preparation method for the hair regeneration formula includes steps of drying various raw materials, smashing the various dried raw materials and uniformly mixing and stirring the smashed raw materials to obtain mixed powder; decocting the mixed powder in water, and filtering medicines residues after the mixed powder is completely decocted so as to obtain medicine liquid; adding alcohol into the medicine liquid, uniformly mixing and stirring the alcohol and the medicine liquid to obtain mixed liquid, allowing the mixed liquid to stand still, clarifying the mixed liquid and filtering impurities to obtain clear liquid; adding glycerin into the clear liquid. The hair regeneration formula and the preparation method have the advantages that the various raw materials in the hair regeneration formula are organically combined with one another, accordingly, effects of stimulating blood circulation of heads, enhancing the immunity of the heads, promoting hair regeneration and blackening hair can be realized, and gray hair and hair loss due to senescence can be delayed.

The invention relates to a CO2 capture system through pregnant solution self-driven extraction phase splitting and tear regeneration. A CO2 pregnant solution outlet in the bottom of an absorption tower is connected with the feed liquid guide pipe of a phase splitting clarifier through a pregnant solution pump; the light phase collection chamber outlet of the phase splitting clarifier is divided into two loops, one loop is connected with a mixing tank and the other loop is connected with the mixing tank through a valve and a solution purifier; a heavy phase collection chamber is connected with a regeneration tower through a rich phase pump and a lean-rich heat exchanger; a lean liquid outlet in the bottom of the regeneration tower is connected with the mixing tank through a lean liquid pump and the lean-rich heat exchanger; a solution outlet in the bottom of the mixing tank is connected with absorption liquid of the absorption tower through an absorption liquid pump; a CO2 regenerated gas outlet in the top of the regeneration tower is connected with a gas-liquid separation tank through a cooler; a reboiler is arranged at the bottom of or in the regeneration tower. By layering into liquid-liquid two phases through CO2 pregnant solution self-driven extraction, the concentration and reallocation of components carrying with CO2 in a rich phase are realized, the amount of pregnant solution and the participation degree of water during CO2 regeneration are reduced, and the CO2 regeneration energy consumption and capture cost are reduced to a larger extent.

The invention discloses a regeneration method of an ionic liquid coated waste power battery artificial graphite material, and belongs to the field of battery recovery. A recovered artificial graphite material is subjected to impurity removal, then is subjected to ball milling and annealing together with ionic liquid and is coated with carbon, so that the material regeneration is realized. The method comprises the following steps: (1), carrying out ball milling and acid washing on the waste power battery graphite material to remove impurities; and (2), performing mixed ball milling on the artificial graphite electrode material obtained in the step (1) and the ionic liquid, and performing calcining in an inert atmosphere to obtain an ultra-thin carbon-coated ionic liquid regenerated artificial graphite negative electrode. The method disclosed by the invention is concise in process flow and short in reaction time; and the pollution-free cyclic regeneration of artificial graphite is realized.

The invention relates to an environment-friendly vegetable oil-based emulsifying cutting fluid for machining. The environment-friendly vegetable oil-based emulsifying cutting fluid is prepared from vegetable oil, surfactant derived from vegetable oil extract, auxiliary surfactant, hard water resisting agent, de-foaming agent, antirust agent and water. Compared with the traditional mineral oil based cutting fluid, the environment-friendly vegetable oil-based emulsifying cutting fluid has the advantages that about 90% of completely biodegradable renewable vegetable oil and derivative thereof are used as main agents according to the formula of the invention and the cutting fluid prepared from the main agents can naturally degrade, return to nature and regenerate, belongs to a nontoxic, environment-friendly and harmless end product, fully meets the development requirement of green industry and solves the problems of harm of the traditionally used mineral oil product to the operator and the worries of the client about the waste oil pollution. The environment-friendly vegetable oil-based emulsifying cutting fluid for machining not only can increase the production efficiency but also can effectively prolong the service life of tools and machine tools and can increase the processing precision of the product.

The fast hymen regenerating and repairing medicine is prepared with hemoglobin 15-30 weight portions, lecithin 10-20 weight portions, amino acid 15-25 weight portions, albumin glue 2-10 weight portions, notoginseng 2-10 weight portions, saffron 1-8 weight portions, protein 5-15 weight portions, cellulose 10-20 weight portions, and free coagulase 5-15 weight portions. The present invention is used in the local targeting process to provide hymen root cell with nutritious components and active growth elements, to activate cells for division and regeneration and to regenerate hymen. The present invention has excellent treating effect.

The invention provides a waste gas treatment apparatus of asphalt mixture heat regeneration equipment. The waste gas treatment apparatus is used for treating asphalt smoke produced in heat regeneration of an old asphalt material and comprises at least one combustor and a waste gas eduction pipeline which is used for educing waste gas with asphalt smoke out from an old asphalt material drying roller; the waste gas treatment apparatus further comprises at least one flame tube and at least one waste gas distribution pipeline, the flame tube matches with the combustor, and the waste gas distribution pipeline conveys waste gas educed by the waste gas eduction pipeline into the flame tube. The invention also provides the asphalt mixture heat regeneration equipment.

The present invention provides a method of using Polygonum multiflorum or extracts thereof to enhance stem cell mobilization in a subject, including hematopoietic stem cells (HSCs) and bone marrow stem cells (BM-SCs). In one embodiment, a blended composition of plant parts, fruits, mushrooms, microorganisms, maternal fluids, and extracts thereof are used to promote mobilization of stem cells, resulting in migration of the stem cells to specific sties of maintenance and repair within tissues and / or organs. Increased circulation of HSCs and / or BMSCs and migration towards sites of maintenance promotes the natural regeneration mechanisms in the body.

The invention discloses a test bed for measuring compaction characteristics of coal seam roof natural renewal. The test bed is mainly composed of a bed body and a bed cap, the bed body is formed by welding a shell and a base, and the body cap is formed by welding a compaction body and a loading plate. In the process of use, a miniature stress sensor is fixed to coal gangue at the bottom of the bed body, roof rock samples are laid in the bed body according to a certain proportion, the bed cap is arranged in a covering mode, the balance weight is loaded on the loading plate according to design weight, and compaction characteristics of dispersed rock blocks are simulated; vertical stress change in a model is monitored through the miniature stress sensor, and change of the void ratio of dispersed bodies is calculated by measuring the deflection of the dispersed bodies. After the compaction process is completed, a drawing strip at the bottom of the bed body is drawn out to change the hanging area of the compaction model, and the caving situation at the bottom of the model is observed; afterwards, coring is performed on the compaction model, and the strength of the compaction model is measured through a compression test. The test bed is a testing tool for measuring the cementation degree and the compaction characteristics for layered mining of regenerated roof in a thick coal seam, and has certain practicability and novelty.

The invention relates to a preparation method for a nanoscale foam dyeing and finishing functional solution. Nanoscale bubbles are added into aqueous alkaline solution / acidic solution, and thereby thenanoscale foam dyeing and finishing functional solution is obtained; when alkaline ionized water is contained in the solution, the pH value is 9 to 13.5, and the reduction potential is negative 450 mV to negative 1300 mV; when acidic ionized water is contained, the pH value is 2.6 to 6.5, and the oxidation potential is 550 mV to 900 mV. The invention further provides a dyeing and finishing process: the nanoscale foam dyeing and finishing functional solution is used for dyeing a fabric, and the fabric is then rinsed once or three times; and naturally reclaimable nanoscale foam functional wateris adopted to carry out cellulose fiber pretreatment and dyeing treatment. The traditional processes (such as long-time high-temperature desizing, scouring and bleaching, mercerization and the like required by cellulose fibers) which use a great deal of caustic soda can be optimized, moreover, a great deal of acid and alkali used in traditional dyeing can be replaced, defects, such as easy fiberstrength reduction, silk injury and heavy pollution, are overcome, and a high-fidelity dyeing effect of alkali-free energy-saving emission-reducing production is achieved.

The invention relates to a preparation method for a conductive timber. The preparation method comprises that (1) a timber sample is directly added into emulsion of a conductive polymeric monomer at a temperature of 1 DEG C to 100 DEG C, initiator is then added, and the temperature is maintained at 1 DEG C to 100 DEG C for a reaction for 1-48 hours after finishing dropping of the initiator; and (2) the timber obtained from the step (1) is taken out, and finally the timber is dried in vacuum at 1 DEG C to 100 DEG C to obtain the conductive timber. The preparation method is simple, has convenience in operation, has not high requirement on equipment, and is suitable for a large scale production. According to the conductive timber, surface decoration effects of natural regeneration, remarkable ratio of strength to weight and nature returning of the timber, as well as excellent environics characteristics of humidity regulation, temperature regulation, sound insulation and the like are maintained, the timber is further provided with conductivity, and the application prospect is broad.

The invention relates to the technical field of reutilization of active carbon, specifically to a thermal regeneration and reutilization method for waste active carbon. The method comprises the following steps: 1) drying: a step of heating used wet carbon to 100 to 150 DEG C, and carrying out heating for 2 to 3 hours at a constant temperature in a range of 100 to 150 DEG C; 2) carbonization: a step of heating dried active carbon to 300 to 700 DEG C in a certain period of time, and maintaining the temperature for 6 hours; 3) activation: a step of heating carbonized active carbon to 850 to 855 DEG C, controlling a certain heating rate, and after heating is completed, maintaining the temperature for 2 to 3 hours; and 4) cooling: a step of quenching activated active carbon to a certain temperature. The invention discloses the thermal regeneration and reutilization method for the waste active carbon. The method provided by the invention effectively compensates for the defect of high regeneration volume loss rate of the active carbon in a conventional active carbon regeneration technology.

The invention provides a key technology for culturing in vitro embryos and regenerating plants of ormosia hosiei in western Hubei province, belonging to the technologies of preserving and massively propagating an ormosia hosiei seed resource. The problems that the ormosia hosiei seeds are difficult to obtain and easily eaten by rats, since the seeds are hard, the dried seed husks can not absorb water easily due to poor water permeability, the natural propagation capability and the spreading capability are not strong, the fructification age is late, natural regeneration is difficult, blooming and fructification require 3-5 years, and good seedlings are scarce in the prior art are solved. According to the key technology, full seeds fruiting in the current year are selected as a material; after 20-35 days of embryo induction cultivation, robustly growing embryo plants can sprout up; after 25-45 days of multiplication cultivation, 20-35 days of strong seedling cultivation and 25-35 days of rooting cultivation, seedlings can be formed and then transplanted. The survival rate can achieve over 95%, the propagation coefficient is high, the propagation time is short, the survival rate of seedling transplanting is high, and the seedlings which are robust, tall and straight have bright green leaves and are excellent and uniform in growth.

A method for naturally growing the nasal tissue by light energy to form a higher nose bridge features that the switching solid laser or Ne-He laser (12.6 microns in wavelength and 30 W in power) and the natural growth factor (adenosine triphosphate) are used to stimulate the cells of nasal tissue and the cells of subcutaneous tissue to grow up a higher nose bridge.

The invention discloses a drug for preventing hair loss and promoting hair regeneration. The drug for preventing hair loss and promoting hair regeneration comprises: be weight, 2 to 5 parts of Chinese angelica, 3 to 6 parts of American ginseng, 2 to 4 parts of pipe fish, 3 to 5 parts of fleece-flower root, 2 to 4 parts of radix scrophulariae, 2 to 4 parts of hippocampus, 4 to 6 parts of gentrin knotweed, 2 to 3 parts of dwarf lilyturf tuber, 3 to 6 parts of madder, 3 to 6 parts of Chinese magnoliavine, 3 to 6 parts of cochinchinese asparagus root, 3 to 5 parts of divaricate saposhnikovia root, 2 to 4 parts of Lianshao, 3 to 4 parts of lonicera and forsythia powder and 2 to 5 parts of licorice. The drug for preventing hair loss and promoting hair regeneration is a pure Chinese herbal medicine preparation, does not contain toxic chemical components, does not have any side-effect on a human body, adopts a guiding basic theory that Chinese herbal medicines are utilized for adjusting human bodies, dredging channels and collaterals, connecting an upper part and a lower part and communicating the exterior and interior of a human body, and utilizes a treatment method that the drug is spread on an affected part so that the drug can penetrate from a stratum corneum, hair follicles, sebaceous glands and sweat duct openings on a skin surface and then enter into blood to bring treatment effects. Therefore, the drug can realize the purposes of preventing hair loss, promoting hair regeneration, preventing eyebrow loss, and promoting eyebrow regeneration.

The invention discloses a method for transforming a broad-leaved forest against invasion of phyllostachys pubescens. The method is characterized by comprising the following steps of (1), clearing or cleaning of phyllostachys pubescens, wherein aged phyllostachys pubescens is cleaned, and new phyllostachys pubescens is cleared off; 2, selection of tree species, wherein after the transformation in the first step, the tree species for resisting to phyllostachys pubescens are planted, and the native tree species are adopted; 3, mode configuration, wherein conservation of original tree species, artificial replanting and regeneration under the forest are included; 4, final-period management. The method can effectively solve the problems that the area of the broad-leaved forest area is decreasedbecause of invasion of phyllostachys pubescens, the diversity of the tree species is reduced, natural regeneration capacity is poor, and forest land nutrients are poor. In the method, through clearingof phyllostachys pubescens, selection of the tree species and mode configuration, the invasion of phyllostachys pubescens can be effectively reduced, the biological diversity of plants is restored, and the biological diversity of underground part soil is also restored.

The invention relates to a preparation method for a conductive timber. The preparation method comprises that (1) a timber sample is directly added into emulsion of a conductive polymeric monomer at a temperature of 1 DEG C to 100 DEG C, initiator is then added, and the temperature is maintained at 1 DEG C to 100 DEG C for a reaction for 1-48 hours after finishing dropping of the initiator; and (2) the timber obtained from the step (1) is taken out, and finally the timber is dried in vacuum at 1 DEG C to 100 DEG C to obtain the conductive timber. The preparation method is simple, has convenience in operation, has not high requirement on equipment, and is suitable for a large scale production. According to the conductive timber, surface decoration effects of natural regeneration, remarkable ratio of strength to weight and nature returning of the timber, as well as excellent environics characteristics of humidity regulation, temperature regulation, sound insulation and the like are maintained, the timber is further provided with conductivity, and the application prospect is broad.

It relates to the adhesive antibacterial material in environment protection, chemical industry and other areas. This nanometer photo catalytic antibacterial material uses wood, bamboo or shell in carbon particles max. of 0.9-50 mm, heating, pressing, soaking and mixing with synthetic nanometer water solution glue, with titania weight ratio thickness 0.01%-2.0% in the synthetic nanometer photo catalytic water solution glue, and then drying under normal temperature or through heating. Using this more efficient and durable carbon absorbent material, it can realize dissolution of organic pollutants in the micro holes achieving natural regeneration.

The invention discloses a transformation technology of south subtropical masson pine artificial pure forest to a masson pine-broadleaved uneven-aged stratified mixed stand, and belongs to the technical field of forestry ecology. The technology is a management model which transforms a masson pine even-aged single-storied artificial pure forest into the masson pine-broadleaved uneven-aged stratifiedmixed stand in an early stage, and performs cultivation in a later stage to form a close-to-nature multi-functional selection forest using masson pines as a constructive species through technical measures of using a current masson pine plantation as a management object, forming forest gaps through appropriate thinning, replanting an indigenous broad-leaved tree species under the forest gaps, utilizing natural force to start natural regeneration and the like. The technology disclosed by the invention can change the problems that a traditional masson pine artificial pure forest has a large ecological risk, poor structural stability, and low economic benefits, and through reasonable transformation, the masson pine-broadleaved uneven-aged stratified mixed stand having stable ecological performance and aiming to cultivate large-diameter timber of the masson pines and precious tree species can be formed.

The invention discloses Diandian skin conditioning cream and a preparation method thereof. The Diandian skin conditioning cream comprises 8-12 wt% of avocado fruit oil, 4-5 wt% of octyldodecanol, 4.5-5.5 wt% of glycerin, 1-3 wt% of olive leaf extract, 5.4-9.4 wt% of an emulsifier, 1-2 wt% of pomegranate sterol, 0.2-0.4 wt% of a thickener, 0.2-0.3 wt% of tocopheryl acetate, 0.35-0.45 wt% of a preservative, 0.1-0.3 wt% of allantoin, 0.07-0.12 wt % of sodium hyaluronate, 0.08-0.14 wt% of a pH regulator, 0.03-0.05 wt% of an aromatic agent and the balance of water. The Diandian skin conditioning cream has a good conditioning function, softens cutin, accelerates metabolism, inhibits excessive secretion of oil, improves coarse pores, makes skin fine, treats severe pimple inflammation, effectively improves and avoids acne pits, conditions skin, prevents acne relapse and promotes the natural regeneration of epidermal cells.

The invention discloses a special additive for waste asphalt mixture heat regeneration and a preparation method thereof. The special additive comprises the following components in parts by weight: 50-100 parts of mineral oil with high content of aromatic hydrocarbons, 3-10 parts of tung oil prepolymer, and 5-20 parts of plasticizer. The preparation method comprises the following steps: heating 50-100 parts of mineral oil with high content of aromatic hydrocarbons to 80-120 DEG G; adding 5-20 parts of plasticizer and 3-10 parts of tung oil prepolymer; and stirring for 30 minutes, and cooling to room temperature to obtain the special additive for waste asphalt mixture heat regeneration. The special additive provided by the invention is used in the construction processes of asphalt pavement plant-mixing heat regeneration and in-site heat regeneration. By using the special additive, the viscosity, ductility, penetration, durability and other indicators of the regenerated aged asphalt can meet operating requirements, so that the waste asphalt mixture is recycled. The special additive saves cost and is environment-friendly, and has good social and economic benefits.

The present invention provides a method of using Polygonum multiflorum or extracts thereof to enhance stem cell mobilization in a subject, including hematopoietic stem cells (HSCs) and bone marrow stem cells (BM-SCs). In one embodiment, a blended composition of plant parts, fruits, mushrooms, microorganisms, maternal fluids, and extracts thereof are used to promote mobilization of stem cells, resulting in migration of the stem cells to specific sties of maintenance and repair within tissues and / or organs. Increased circulation of HSCs and / or BMSCs and migration towards sites of maintenance promotes the natural regeneration mechanisms in the body.

The invention discloses a psoriasis treating preparation and a preparation method thereof. The psoriasis treating preparation is characterized by being prepared from, by weight, 55-65% of nanoscale stone needle fine powder, 10-15% of nanoscale tourmaline fine powder, 10-25% of fructus cnidii extract, 10-15% of alumen fine powder, 5-10% of fig leaf extract and 0.1-0.5% of nanoscale silver powder. The preparation goes deep into the skin and even blood to inhibit activity of psoriasis histocytes, control synthesis and reproduction of pathological cells, improve the immunity of a patient, promote recovery and natural regeneration of epidermis cells and finally cure psoriasis.

The invention discloses a cryopump assembly regeneration method for a neutral beam input system. A cryopump assembly comprises a liquid nitrogen Dewar, a liquid helium Dewar, a molecular pump, a roots pump, a cryopump and a temperature measurement control device, wherein the liquid nitrogen Dewar is connected to an anti-radiation baffle in the cryopump, the liquid helium Dewar is connected to a low-temperature adsorption surface in the cryopump, activated carbon and a heating wire are arranged on the low-temperature adsorption surface, the temperature measurement control device is connected to the heating wire, the molecular pump and the roots pump are correspondingly connected to the cryopump, the regeneration process involves multiple cycles of heating, vacuumizing and refrigerating, and the number of times is greater than or equal to 5. The cryopump assembly regeneration method has the beneficial effects that the time of the whole regeneration process is shortened to about one hour, and compared with 6-8 hours of a natural regeneration process without a control system, the regeneration time is greatly shortened, and safe, stable and rapid temperature returning can be achieved in the temperature returning process.