33results about How to "Enhance catalase activity" patented technology

The invention provides an improvement method of saline alkali soil in North China areas. The method lies in that a soil improvement agent with an application rate of 300 to 400 kg / hm<2> is applied in saline alkali soil, and the applied soil improvement agent comprises the following components in parts by weight: 45 to 50 parts of a mixture of humic acid and phospho gypsum, 8 to 10 parts of natural zeolite, 10 to 15 parts of straw powder, 15 to 20 parts of wormcast, 15 to 25 parts of a mixture of spartina alterniflora and sheep manure and 5 to 8 parts of diatomaceous earth. According to the improvement method of the saline alkali soil in North China areas, the PH value of the saline alkali soil treated through adopting the method is reduced by 0.85 above, the organic content of the soil is increased by 60% to 70%, and the crop yield is increased by 8.5% to 17.2%.

The invention discloses a preparing method for nanometer particles with high hydrogen peroxide enzyme activity. The method comprises the following steps that 1, a chloroauric acid solution is boiled in a continuously-stirring mode and flows back, and meanwhile, a sodium citrate solution is added at a constant speed so as to reduce chloroauric acid to form gold nanometer particles with the grain size of 12-14 nm; 2, a mixed solution of chloroauric acid and chloroplatinic acid is added into the material prepared in the step 1, then an ascorbic acid solution is slowly added, and the mixture is subjected to a reaction for 2-12 hours at the stirring speed of 100-800 rpm and at the temperature of 10 DEG C-50 DEG C, so that the gold nanometer particles are wrapped with a gold platinum double-metal shell layer to obtain the nanometer particles with the high hydrogen peroxide enzyme activity. Compared with a traditional method, the method is simple, efficient and high in universality, and the synthesized nanometer particles have high and stable hydrogen peroxide enzyme activity.

The invention relates to a hemorrhoids treatment apparatus and an operating method of the hemorrhoids treatment apparatus. The hemorrhoids treatment apparatus comprises a permanent magnet or an electromagnet, a motor for driving the permanent magnet or the electromagnet to rotate, and a sleeve sleeving the permanent magnet or the electromagnet. In use of the hemorrhoids treatment apparatus, the sleeve is sleeved by a sanitary sleeve, hemorrhoids-treating ointment is applied to the sanitary sleeve, then the sleeve is inserted into the anus, the motor is started for driving the permanent magnet or the electromagnet to rotate, and then the rotation magnet-therapy treatment is carried out on the hemorrhoids. The rotation magnet therapy has the efficacies that an alternating magnetic field output from the sleeve enables the human body cells to generate induction, so that the cell membrane potential is changed, then the membrane depolarization effect is generated, thus the permeability of tissue cells is enhanced, consequently, the cell arrangement is in order, and finally, the effective absorption of the local inflamed tissue for hematomas and edema exudation is facilitated. The four different physical therapy methods including rotation magnet-therapy treatment, hot compress treatment, vibratory massage treatment and 650NM laser treatment are adopted, and ani sphincter administration is also matched for carrying out comprehensive treatment on the internal and external hemorrhoids inflammation.

A sensor for continuous detection of one or more analytes in a liquid flow, comprising an array of electrodes together forming an essentially planar sensing surface and a flow distributor with a flow inlet a flow channel and a flow outlet in order to establish a liquid flow of analytes along the sensing surface. The flow inlet and the flow outlet are located in a plane different to the plane of the sensing surface. The array of electrodes is arranged so that, in the direction from the flow inlet to the flow outlet, the array of electrodes consecutively comprises a first blank electrode, at least one measuring electrode, a second blank electrode, at least one measuring electrode and optionally a third blank electrode.

The invention discloses a vulcanized and modified corn straw soil repairing conditioner. The vulcanized and modified corn straw soil repairing conditioner is composed, by weight, of 52-73 parts of red mud, 17-24 parts of zeolite, appropriate distilled water, 22-35 parts of humus, 2-5 parts of gypsum powder, appropriate NaCl solutions with the concentration being 1.0 mol / L, 3-8 parts of ferric chloride, 2-5 parts of ferrous sulfate, appropriate strong ammonia water, 2-6 parts of corn straw, 1-3 parts of biochar and 0.3-1 part of thiourea. The zeolite is combined with magnetic iron oxide particles, a magnetic zeolite composite with the adsorption characteristic is prepared, so that the secondary pollution problem generated from the situation that heavy metal elements are still retained in soil at the time of normal processing is avoided; and then red mud particles are wrapped and pelletized to achieve the effect that slow releasing of OH ions is controlled, the releasing speed of free alkali in the red mud is reduced, and the vulcanized and modified corn straw soil repairing conditioner is beneficial to achieving effective and stable solidifying of heavy metal ions in the soil.

The invention provides multifunctional refreshing essence oil and a preparation method thereof. The multifunctional refreshing essence oil comprises the following components: caprylic / capric triglyceride, cyclopentasiloxane, isostearyl alcohol isostearate and an antioxidant, and further comprises at least one selected from the group consisting of soothing essential oil, whitening essential oil, anti-wrinkle essential oil and skin conditioning essential oil containing plant extract components. The components of the multifunctional refreshing essence oil do not contain various preservatives, emulsifiers and the like, so the multifunctional refreshing essence is safer and milder and does not harm the skin; and the soothing essential oil, the whitening essential oil, the anti-wrinkle essentialoil and the skin conditioning essential oil are all oil-soluble essence components, are extracted from natural plants, have small molecular weight, can supplement oily essence from the outside, construct a first physical barrier sebum membrane of skin, lock moisture, reduce skin moisture loss, reach the bottom layer of the skin more easily and increase the absorption capacity of the skin, are non-greasy, refreshing and easily absorbable, and present more comprehensive effects.

The invention discloses an arbuscular mycorrhizal fungi efficiently degrading atrazine and promoting plant growth and an application of the arbuscular mycorrhizal fungi and relates to a fungi and an application of the fungi, in particular to an acaulospora arbuscular mycorrhizal fungi and an application of the acaulospora arbuscular mycorrhizal fungi. The problem that the existing arbuscular mycorrhizal fungi repairing atrazine polluted soil has limited accumulation action on plant biomass is solved. The arbuscular mycorrhizal fungi efficiently degrading the atrazine and promoting the plant growth is acaulospora lacunosa HDSF4, and preserved in China General Microbiological Culture Collection Center with a preservation number of CGMCC No. 9907 (China General Microbiological Culture Collection Center Number 9907). The acaulospora lacunosa HDSF4 is used for repairing the atrazine polluted soil, and tests prove the acaulospora lacunosa HDSF4 has a good effect and can effectively improve the amount of growth of plants in the atrazine polluted soil.

The invention relates to a greenhouse soil conditioner as well as a method for improving soil. The greenhouse soil conditioner is formed by mixing a cellulose and byproducts obtained by grain processing according to the mass ratio of 1 to (1000-2000). Greenhouse soil is improved based on the cellulose, and the cellulose and the byproducts obtained by the grain processing, such as bran and rice residue, are matched reasonably, mixed uniformly and applied to the greenhouse soil, so that a technique for improving the greenhouse soil is implemented. According to the greenhouse soil conditioner as well as the method for improving the soil, the selection types of the greenhouse soil improvement technique are enriched, and the greenhouse soil conditioner as well as the method for improving the soil mainly have the advantages that (1) the manufacture technology of cellulose-type enzymic preparations is simple; (2) material sources are rich, and the cost is low; (3) the cellulose-type enzymic preparations can be mixed with the byproducts obtained by the grain processing, such as the bran, or the rice residue for greenhouse soil improvement; (4) the physical and chemical properties of the greenhouse soil can be improved effectively, and the soil microorganism population quantity is increased and the activity of multiple kinds of soil enzymes is improved.

The invention relates to the technical field of biological medicines, in particular to a targeting phase-change nano-drug system as well as a preparation method and application thereof. The targetingphase-change nano-drug system comprises a main body, liquid fluorocarbon is wrapped in the main body, the main body is loaded with a drug, and the main body is covalently connected with BMS-470539. The medicine system can solve the problems of toxic and side effects and weak targeting when immunosuppressive treatment is adopted for immune-related kidney diseases in the prior art. The targeting phase-change nano-drug system can be applied to preparation of related drugs for treating immune nephropathy.

The invention discloses a red mud-based modified particle soil remediation material which contains the following raw materials in parts by weight: 50-75 parts of red mud, 13-20 parts of zeolite, appropriate distilled water, 18-27 parts of humus, 2-5 parts of gypsum powder, appropriate 1.0mol / L NaCl solution, 5-7 parts of iron chloride, 3-5 parts of ferrous sulfate and appropriate stronger ammonia water. According to the invention, the zeolite and magnetic iron oxide particles are combined to prepare a magnetic zeolite complex with adsorption characteristic, and the problem of secondary pollution caused by conventional treatment in which heavy metal elements are still kept in soil is avoided; after that, through coating with red mud particles and granulation treatment, an effect of controlling slow release of OH<-> ions is realized, the release speed of free alkali in red mud is lowered, and effective stabilization and solidification of heavy metal ions in soil are facilitated.

The invention discloses a composition capable of improving stress resistance of hybrid liriodendron body embryo seedlings and realizing a promoting effect. The composition is prepared from 5 to 10 parts of wheat germ agglutinin, 5 to 10 parts of peanut agglutinin, 5 to 10 parts of sodium lignosulphonate, 5 to 10 parts of high-dispersion silicic acid, 10 to 20 parts of sodium dodecyl sulfonate and70 to 140 parts of kaolin. According to the composition disclosed by the invention, massive experiments are conducted for screening; the wheat germ agglutinin and the peanut agglutinin of which the weight ratio is 1 to 1 are creatively adopted as main active ingredients and matched with the sodium lignosulphonate, the high-dispersion silicic acid, the sodium dodecyl sulfonate and the kaolin with optimal use amounts. Experimental results show that the composition provided by the invention has the beneficial effects that the resistance of the hybrid liriodendron body embryo seedlings to adversetemperature environments of 4 DEG C low temperature and 40 DEG C high temperature is remarkably enhanced, and the drought resistance of the hybrid liriodendron body embryo seedlings can be obviously improved. The composition disclosed by the invention has the advantages of scientificity and reasonability in component matching, greenness, environmental protection, low toxicity and important practical application value.

The invention discloses a low-cost soil repair agent doped with activated sludge. The soil repair agent comprises the following raw materials of, by weight, 56-78 parts of red mud, 18-25 parts of zeolite, a proper amount of distilled water, 23-31 parts of humus, 2-4 parts of land plaster, a proper amount of a NaCl solution with the concentration being 1.0 mol / L, 3-8 parts of ferric chloride, 2-4 parts of ferrous sulfate, a proper amount of stronger ammonia water, 5-10 parts of the activated sludge, 0.5-2 parts of furfural acid and a proper amount of a hydrochloric acid solution with the concentration being 1 mol / L. The zeolite and magnetic iron oxide particles are combined, a magnetic zeolite composite body with an adsorption characteristic is prepared, and the secondary pollution problem due to the fact that heavy metal elements still remain in soil during conventional treatment is avoided; and then the magnetic zeolite composite body and red mud particles are cladded and subjected to pelleting treatment, the effect of controlling slow release of OH- ions is achieved, the release rate of free alkali of the red mud is decreased, and effective stabilizing and solidifying of heavy metal ions in soil are achieved advantageously.

The invention discloses a vibration massager with a red light transilluminating function, which gives out a red light beneficial to humans. A massager head (1) comprises an LED light source (2) consisting of three LED lamps, wherein the LED light source (2) gives out the red light having a wave length of 612 to 621nm. A capacitance of a touch metal coil (3) positioned on the head (1) is increased when the coil touches a skin so that the intensity of the light given out by the LED light source (2) reaches a set value finally. The red light given out by the LED light source (2) can be absorbed by haemoglobins in erythrocytes. A motor (4) is positioned on a back part of the massager and vibrates the massager under the action of an eccentric shaft. A power switch (5) is used for controlling the on and off of the massager and the motor (4). A control switch (6) controls the light intensity of the LED light source (2) and the strength and frequency of the vibration of the motor (4).

The invention provides a nanometer enzyme-aerogel composite material. The nanometer enzyme-aerogel composite material is prepared from nanometer enzymes which are in in-situ growth in amphiphilic aerogel and have catalase activity. The nanometer enzyme-aerogel composite material provided by the invention has superduper hydrophilia, favorable mechanical properties, higher catalase activity and favorable biocompatibility. Aerogel synthesis raw materials of polyvinyl alcohol and maleic acid are reagents low in price and biologically friendly. The nanometer enzymes are in in-situ growth in the aerogel, so that stability and biological safety of nanoparticles are improved, and pollution of nanometer materials in biological application is reduced. The material can be repeatedly utilized, and after the material is recycled for ten times, the activity of the material is still as high as 84.9%. The detection limit of alcohol in a buffer solution is 0.50mM, the dynamic range for detecting the alcohol content in the saliva is 0.50-15mM, and the alcohol concentration range of driving under the influence of alcohol or other drugs and drunken driving in the national standard is covered.

The invention discloses a wound therapeutic instrument capable of detecting wound exudate components, which mainly includes a main body, a hatch, a display screen, a switch, a working tube, a working end, and a working port. The hatch is located at the bottom of the outer side of the main body. The display screen is located at the top outside the main body, the switch is located at the top of the main body, the top of the main body is connected to the right end of the working end through the working tube, and the working port is installed at the left end of the working end; Irradiation increases the catalase activity of the mitochondria in the cells, thereby promoting wound healing in patients; and the present invention can also extract the exudate from the wounds of patients, so as to assist medical staff to analyze the wound conditions after being analyzed by a liquid analyzer , while preventing the exudate from affecting the therapeutic effect of red light irradiation.

The invention discloses a bletilla striata seed processing method, and relates to the technical field of traditional Chinese medicine plantation. The method comprises the following steps: 1, preparingstarch milk; 2, processing bletilla striata; 3, mixing the starch milk with bletilla striata seeds; and 4, carrying out sodium hypochlorite solution treatment. The starch milk is prepared and is mixed with the bletilla striata seeds, the seeds are processed under an alkaline condition for a certain time to improve the permeability of the seeds to a certain degree, the seeds are processed with a starch branching enzyme, the starch is modified, and a certain quantity of active substances are generated during the modification of the starch in order to promote the growth of bletilla striata seedembryos to a certain degree.

The invention discloses a planting method capable of increasing puerarin content in kudzu vine roots. The planting method includes: trimming off a kudzu vine with bud knobs to serve as a cutting twig, soaking the cutting twig in a Vitamin B6 solution, subjecting the soaked cutting twig to low-temperature plasma processing, performing cutting in a seedling cultivating land, when the cutting twig of the kudzu vine grows to 20cm, starting to water the cutting twig with a mixture of the Vitamin B6 solution and a mongolian snakegourd leaf extracting solution, and adding extra 2 hours of red light illumination every day for 40 days. The planting method is capable of increasing the puerarin content in the kudzu vine roots remarkably, and thereby capable of increasing a nutritive value of the kudzu vine roots.

The invention belongs to the biotechnical field and particularly relates to a gene for coding catalase (CAT) as well as a preparation method and an application of the gene. The gene for coding catalase has a nucleotide sequence as shown in SEQ NO.1. The invention relates to a coding sequence of CAT-TAT (catalase-tetanus antitoxin) cloned from human liver cells. The codling sequence is obtained by the steps of firstly extracting total RNA (ribonucleic acid) of human liver cells L-02, then cloning to a full-length sequence and a CAT-TAT fusion gene for coding CAT by RT-PCR (reverse transcription-polymerase chain reaction) and PCR methods. A CAT-TAT protein is obtained by using the gene expression, the production industrialization of CAT-TAT is realized, CAT-TAT products with good stability are achieved, and the activity of catalase in cells is improved.

The invention discloses a red mud-based modified soil restoration agent with a sterilizing and insecticidal effect. The red mud-based modified soil restoration agent is prepared from the following raw materials in parts by weight: 53 to 75 parts of red mud, 15 to 23 parts of zeolite, an appropriate amount of distilled water, 16 to 28 parts of humus, 1 to 4 parts of gypsum powder, an appropriate amount of 1.0 mol / L NaCl solution, 4 to 7 parts of iron chloride, 2 to 5 parts of ferrous sulfate, an appropriate amount of stronger ammonia water, 0.1 to 0.4 part of pyrethrum, 1 to 4 parts of vesuvianite powder, and 0.08 to 0.3 part of tolfenpxrad. By combining the zeolite and magnetic iron oxide particles, a magnetic zeolite complex is with adsorption characteristic is prepared, the secondary pollution problem caused by the heavy metal element remaining in the soil when in conventional treatment is avoided; and then the magnetic zeolite complex is coated by red mud particles to be granulated, so that an effect of controlling and slowly releasing OH-ions, the release speed of the red mud free alkali is reduced, and the effective and stable solidification of heavy metal ions in the soil is facilitated.

The invention discloses a composition capable of improving stress resistance of hybrid liriodendron body embryo seedlings and realizing a promoting effect. The composition is prepared from 5 to 10 parts of wheat germ agglutinin, 5 to 10 parts of peanut agglutinin, 5 to 10 parts of sodium lignosulphonate, 5 to 10 parts of high-dispersion silicic acid, 10 to 20 parts of sodium dodecyl sulfonate and70 to 140 parts of kaolin. According to the composition disclosed by the invention, massive experiments are conducted for screening; the wheat germ agglutinin and the peanut agglutinin of which the weight ratio is 1 to 1 are creatively adopted as main active ingredients and matched with the sodium lignosulphonate, the high-dispersion silicic acid, the sodium dodecyl sulfonate and the kaolin with optimal use amounts. Experimental results show that the composition provided by the invention has the beneficial effects that the resistance of the hybrid liriodendron body embryo seedlings to adversetemperature environments of 4 DEG C low temperature and 40 DEG C high temperature is remarkably enhanced, and the drought resistance of the hybrid liriodendron body embryo seedlings can be obviously improved. The composition disclosed by the invention has the advantages of scientificity and reasonability in component matching, greenness, environmental protection, low toxicity and important practical application value.

The invention discloses a preparation method of a fresh-keeping solution for grapes. The method comprises the following steps: uniformly mixing, by weight, 10-15 parts of gelatin, 10-12 parts of potassium myristate and 8-10 parts of sucrose ester, dissolving the obtained mixture in 30-40 parts of water, sequentially adding 5-8 parts of Tagetes erecta flower extract, 2-4 parts of clove oil, 1-3 parts of vitamin C and 6-9 parts of modified soybean proteins, and carrying out high-pressure homogenization to obtain the fresh-keeping solution for grapes. The fresh-keeping solution can significantlyprolong the storage period of the grapes, preserve the good flavor of the grapes and improve the benefits of enterprises.

The invention belongs to the field of biological medicine, and provides drug-loaded Prussian blue and manganese fibrin composite gel, and a preparation method and application thereof. Mesoporous Prussian blue nanoparticles are etched to form hollow Prussian blue nanoparticles; the hollow Prussian blue nanoparticles are coated with manganese ions to form hollow Prussian blue and manganese nanoparticles; the hollow Prussian blue and manganese nanoparticles are subjected totargeted modification; holes of the hollow Prussian blue and manganese nanoparticles are loaded with a sound-sensitive agent and coated with oligomeric hyaluronic acid; and finally, it is mixed with a fibrinogen solution under the stimulation of thrombin to form the composite gel. According to the invention, the novel sound-sensitive agent is loaded in the holes of the hollow Prussian blue nanoparticles; the oligomeric hyaluronic acid is modified on the outer surface, so that the targeting effect can be achieved, and the immunosuppressive microenvironment of tumors can be adjusted; and the composite gel not only can realize the enhanced sonodynamic-immune synergistic treatment effect on postoperative residual tumor tissues, but also can accelerate the repair and healing of postoperative wounds.

The invention discloses a method for promoting the germination of vitex seeds, which comprises: (1) one-time treatment; (2) two-time treatment; (3) three-time treatment; (4) germination acceleration. After the treatment of each step of the present invention, the germination of the Vitex twig seeds is obviously promoted, and both the germination rate and the germination index of the Vitex twig seeds are significantly improved.

The invention discloses a preservative for litchis. The preservative comprises, by weight, 8-14 parts of lignin, 5-12 parts of Arabic gum, 2-7 parts of citric acid, 7-11 parts of modified barley, 3-9parts of rheum officinale extract, 1-5 parts of cinnamon essential oil, 2-5 parts of chitosan, 1-3 parts of tartaric acid and 2-5 parts of tea oil. The preservative can significantly prolong the storage period of the litchis, preserve the good flavor of the litchis and improve the benefits of enterprises.

The invention discloses a preparing method for nanometer particles with high hydrogen peroxide enzyme activity. The method comprises the following steps that 1, a chloroauric acid solution is boiled in a continuously-stirring mode and flows back, and meanwhile, a sodium citrate solution is added at a constant speed so as to reduce chloroauric acid to form gold nanometer particles with the grain size of 12-14 nm; 2, a mixed solution of chloroauric acid and chloroplatinic acid is added into the material prepared in the step 1, then an ascorbic acid solution is slowly added, and the mixture is subjected to a reaction for 2-12 hours at the stirring speed of 100-800 rpm and at the temperature of 10 DEG C-50 DEG C, so that the gold nanometer particles are wrapped with a gold platinum double-metal shell layer to obtain the nanometer particles with the high hydrogen peroxide enzyme activity. Compared with a traditional method, the method is simple, efficient and high in universality, and the synthesized nanometer particles have high and stable hydrogen peroxide enzyme activity.

The invention provides a temporomandibular joint therapeutic instrument, which relates to the technical field of medical instruments, and is used for solving the problems of poor treatment effect, long treatment time and the like of adjuvant therapy of temporomandibular joint diseases by adopting hot compress, massage and other modes. The temporomandibular joint therapeutic instrument comprises abrush rod, the front end of the brush rod is provided with an extension part, a phototherapy head is formed at the front end of the extension part, the extension part is further provided with a disposable suspension frame head, and the suspension frame head is used for preventing pollution and making direct contact with irradiated human tissue. A positioning body is arranged on the side face of the brush rod, and when the positioning body makes contact with molar teeth, light emitted by the phototherapy head irradiates a focus area behind the molar teeth. The temporomandibular joint therapeutic instrument provided by the invention can perform phototherapy on a lesion area, improves the treatment effect, and improves the treatment efficiency, thereby saving the treatment time.

An arbuscular mycorrhizal fungus capable of efficiently degrading atrazine and promoting plant growth and its application relates to a fungus and its application, in particular to an arbuscular mycorrhizal fungus of the genus Asepsis genus and its application. The method solves the problem that the existing arbuscular mycorrhizal fungi for repairing atrazine-contaminated soil have limited effect on the accumulation of plant biomass. An arbuscular mycorrhizal fungus that efficiently degrades atrazine and promotes plant growth in the present invention is Acaulospora lacunosa HDSF4, which is preserved in the General Microorganism Center of China Microbiological Culture Collection Management Committee, and the preservation number is CGMCC No.9907. Acaulospora lacunosa HDSF4 of the present invention is used for repairing the soil polluted by atrazine, and it has been proved by experiments that the effect is good, and can effectively increase the growth of plants in the soil polluted by atrazine .

The invention provides a vitamin B 2 Modified iron-based nanozymes, specifically vitamin B 2 Modified nano-scale ferric oxide particles, also provides vitamin B 2 A preparation method of a modified iron-based nanozyme and a composition for promoting the healing of oral ulcers. Vitamin B provided by the present invention 2 Modified iron-based nanozyme, which has higher catalase activity and superoxide dismutase activity than iron-based nanozyme, and compared with vitamin B used alone 2 and iron-based nanozymes, vitamin B provided by the invention 2 The modified iron-based nanozyme showed a better protective effect on BALB / 3T3 cells and HOK cells in hydrogen peroxide environment, ROS scavenging ability at the cellular level, and the ability to reduce IFN-γ and IL-6 in ulcers. It has better therapeutic effect and can be used to prepare a medicine for promoting the healing of oral ulcer with high efficiency.

The invention relates to the technical field of biomedicine, in particular to a targeted phase-change nano drug system and its preparation method and application. The targeted phase-change nanomedicine system includes a main body, which is wrapped with liquid fluorocarbon, loaded with drugs, and BMS-470539 is covalently linked to the main body. The drug system can solve the problems of toxic side effects and weak targeting in the prior art when immune-related kidney diseases are treated with immunosuppression. The targeted phase-change nano drug system can be applied to the preparation of related drugs for the treatment of immune nephropathy.

The invention discloses a plant stress resistance related protein PvNAC52 as well as a coding gene and application thereof. The amino acid sequence of the protein PvNAC52 provided by the invention is as shown in SEQ ID NO: 1. Experiments prove that the stress resistance of the arabidopsis thaliana can be improved by over-expressing the PvNAC52 gene in the arabidopsis thaliana, and the improvement of the stress resistance is shown as follows: under salt / alkali / drought / osmotic stress, the stress resistance is improved; the survival rate of the transgenic plant is increased, the root length is increased, the fresh weight is increased, the water loss rate is reduced, the cell membrane damage is reduced, the malondialdehyde content is reduced, the relative conductivity is reduced, the H2O2 content is reduced, superoxide anions are reduced, the ROS content is reduced, the catalase activity is increased, the SOD enzyme activity is increased, the peroxidase activity is increased, and the proline content is increased. Therefore, the protein PvNAC52 and the coding gene thereof can regulate and control the stress resistance of plants, and have important theoretical significance and practical value in cultivation of plants with enhanced stress resistance.