47results about How to "Great application prospect" patented technology

The invention provides a train track fastener defect detection method. The method comprises the following steps of constructing a Faster R-CNN network model, wherein the Faster R-CNN network model comprises a region generation network RPN and a fast region convolutional neural network Fast R-CNN, and the network initialization mode adopts pre-trained parameter initialization of similar tasks, andthen the Faster R-CNN network model is trained by using training set data; shooting and acquiring a fastener image on the subway line through photographing equipment; and inputting the fastener imageinto the trained Faster R-CNN network model, extracting a fastener area in the fastener image by the Faster R-CNN network model by using convolution operation and pooling operation, and performing defect type detection on the fastener area by using a loss function. According to the method, through the combination of the region generation network and the fast region convolutional neural network, the autonomous learning and the feature extraction of the training picture are carried out, so that fastener positioning and defect automatic detection can be carried out on the acquired large-size image, the intelligent degree is higher, the realization efficiency is higher, and the model applicability is stronger.

The invention discloses a preparation method for black phosphorus quantum dot-graphene nanosheet three dimensional composite comprising adding an ethanol solution containing black phosphorus quantum dot prepared by using a shear pulverization method into an ethanol solution containing oxidized graphene nanosheet, making black phosphorus quantum dot adsorb on the surface of the oxidized graphene nanosheet by using a mechanical stirring method; pouring the solution into a high pressure reactor with a polytetrafluoroethylene liner to be subjected to a solvothermal reaction, getting a block colloid composite which is full of ethanol when the reaction ends; immersing the block colloid composite removed from the high pressure reactor into deionized water completely to make the ethanol in the block colloid composite exchanges with water, getting a block colloid composite which is full of water; performing freeze drying after removing the block colloid composite to get the required material. The material prepared by the method has potential application prospect on the detection of poisonous and harmful substance and on the microelectronic sensor.

The invention discloses an astaxanthin-producing strain, a mutagenesis and screening method and application thereof, and relates to a microbiological strain and an obtaining method thereof. The astaxanthin-producing strain is a mutagenic strain N1806-04 of phaffia rhodozyma. The method comprises the following steps of: preparing phaffia rhodozyma protoplast by an enzyme method by taking the phaffia rhodozyma as an original strain; and selectively breeding the astaxanthin-producing strain by an NTG mutagenesis method, a beta-ionone screening method and the like to obtain the astaxanthin-producing strain, wherein the yield of the astaxanthin is stable after five times of transfer of culture. By performing scale-up culturing on the astaxanthin-producing strain in a fermentation tank, the yield and the content of the astaxanthin can reach 500 to 600mg / L and 5,000 to 6,300mg / kg (dry weight of cell) respectively and the biomass can reach 80 to 110g / L. The yield and the content of the astaxanthin and the corresponding biomass all meet the requirement of industrial production and have a great application prospect.

The invention belongs to the technical field of energy material lithium battery and particularly relates to a preparation method for a spherical mesoporous lithium iron phosphate anode material. The preparation method provided by the invention comprises the following steps: (1), weighing lithium source compound, iron source compound, phosphrous source compound, a reducing agent, surfactant and ordered mesoporous carbon, and mixing in deionized water to form a mixed liquor; (2) carrying out reactoin on the mixed liquor obtained in the step (1) under protective atmosphere, and filtering and drying reaction product to obtain a spherical mesoporous lithium iron phosphate precursor; and (3), keeping the spherical mesoporous lithium iron phosphate precursor obtained in the step (2) under a temperature range of 500-700DEG C for 8-16h under the protective atmosphere to obtain the spherical mesoporous lithium iron phosphate anode material. The technological process for preparing the spherical mesophorous lithium iron phosphate anode material provided by the invention is simple and has wide application prospect.

The invention discloses a thermal analysis method for measuring glass transition temperature of amorphous alloy. A determination method based on differential scanning calorimetry (hereinafter shortened as DSC) or differential thermal analysis (hereinafter shortened as DTA) adopts a DSC or DTA thermal analyser to establish a heat flux (temperature difference)-temperature curve of alloy and further evaluate a heat flux (temperature difference) change rate-temperature curve, thereby evaluating the reference temperature range of glass transition; and a maximum slope method is used to determine the glass transition temperature Tig or Teg within the analysis temperature range determined by the reference temperature range. The thermal analysis method adopts the DSC or DTA thermal analyser to finish the test, overcomes the disadvantages of poor accuracy and repetitiveness of an ordinary DSC or DTA method, is far popular than the application of special instruments such as a dilatometer and the like, and is particularly suitable for on-spot quality detection in production process.

The invention discloses a hydroxyapatite-based method for separating and purifying various exosome subgroups. The method comprises the following steps: firstly, separating and purifying a total exosome suspension from a medium or a biological fluid sample; and then, on the basis of hydroxyapatite, implementing chromatographic separation, so that the various exosome subgroups are obtained, wherein exactly, the step comprises the following operations: mixing the total exosome suspension with the hydroxyapatite, implementing incubation under a shaking condition, transferring an incubated material to an affinity chromatographic column, washing the column by virtue of a low-concentration sodium phosphate solution, then sequentially eluting the column by virtue of sodium phosphate solutions of which concentrations are gradually increased, so that various eluents are obtained, and removing impurities, so that the various exosome subgroups are obtained. The method is simple and rapid; the obtained various exosome subgroups can nearly avoid overlap in distribution of protein molecules, RNA molecules, DNA molecules and the like; moreover, an exosome desorption process is mild and obtained exosome can be further applied; and the method can be also used for specifically enriching exosome excreted by cancer cells. The method has a good clinical application foundation; and the method is great in application prospect.

The invention relates to a magnetic aerobic particle sludge-graphene oxide-multiwalled carbon nanotube composite adsorbent preparation and an application thereof. According to the invention, aerobic particle sludge, Fe3O4, graphene oxide and multiwalled carbon nanotube are composited for preparing the magnetic aerobic particle sludge-graphene oxide-multiwalled carbon nanotube composite adsorbent. Introduction of the aerobic particle sludge adds the adsorption bites of the adsorbent, by combing the large specific surface area of graphene oxide, abundant surface function group of the multiwalled carbon nanotube, and magnetic separation advantage of ferriferrous oxide, so that the biological adsorbent which has the advantages of simple process, low cost, high adsorption capacity, easy separating, reuse and no secondary pollution can be obtained, and the composite material can effectively process the dye waste water.

The invention provides an anti-bacterial-adhesion conductive hydrogel and a preparation method and application thereof, and belongs to the technical field of functional polymer materials. According tothe method, silver nanoparticles modified by synthesized polydopamine are compounded in a solution of a conductive polymer monomer and polyvinyl alcohol, polymerization is initiated by using an initiator, and the conductive hydrogel is prepared in situ. The hydrogel has good biocompatibility, high bioadhesiveness, excellent electrical conductivity, excellent antibacterial properties for Gram-negative bacteria and Gram-positive bacteria and adjustable mechanical properties. The anti-bacterial-adhesion conductive hydrogel can be used as a novel medical polymer wound dressing, which has potential biological and medical application value in promoting wound healing of the body.

The invention discloses a double-resonant-cavity coupled all-fiber Q-switched mode-locked pulse laser. The double-resonant-cavity coupled all-fiber Q-switched mode-locked pulse laser comprises a pumping device, a laser resonant cavity, a gain optical fiber and a laser output device, wherein the laser is provided with a linear cavity or an annular cavity structure for outputting laser pump, whereinthe pumping device comprises a pumping source, an optical fiber beam combiner and a wavelength division multiplexer; the laser resonant cavity comprises a first reflection type fiber bragg grating, asecond reflection type fiber bragg grating, a semiconductor saturable absorption mirror, a third reflection type fiber bragg grating and a total reflection mirror; the gain optical fiber comprises afirst gain optical fiber and a second gain optical fiber; and the laser output device comprises an optical isolator, an annular device and an optical fiber beam splitter. The mode-locked pulse laser adopts the all-fiber structure, which is simple in design and compact in structure, and capable of effectively improving laser output efficiency and stability and outputting the Q-switched mode-lockingpulse with high single-pulse energy and narrow pulse width.

The invention discloses a leadless BNT-BT substrate system with large electrostrictive strain and belongs to the field of leadless ferroelectric ceramic materials. The chemical formula of the leadlessBNT-BT substrate system is (1-x)(Bil / 1Nal / 2)TiO3-xBaTiO3-yBa(Znl / 3Nb2 / 3)O3, wherein x is 0.06-0.09; y is greater than 0 and less than or equal to 0.02; a sample is prepared by using a two-step method, namely ZnO or (MgCO3)4.Mg(OH)2.5H2O is combined with Nb2O5 to prepare ZnNB2O6(MgNb2O6) firstly, and secondly, by taking Na2CO3, BaCO3, TiO2, Bi2O3 and ZnNb2O6(MgNb2O6) as raw materials, a ternary leadless ferroelectric ceramic is prepared. The large electrostrictive strain is achieved, and requirements of micro displacement instruments on materials are met.

The invention discloses a task priority control implementation method and device for Spark JDBC. The method comprises the steps of describing an XML file by a Spark Jdbc service according to a pre-written priority queue to establish a plurality of task priority queues when started; receiving a specified priority queue command issued by a user through a Jdbc interface, and completing priority setting of a Jdbc session level; receiving a retrieval SQL submitted by a user, generating a Spark Task set after the SQL statement is subjected to a plurality of analysis planning processes, and adding the Spark Task set into a target priority queue of a corresponding name; and scheduling and allocating hardware resources through a resource scheduler according to the resource allocation strategy between the priority queues and the resource allocation strategy in the queues, and allocating Spark Tasks to Task actuators on the computing nodes for execution.

The invention discloses a method for manufacturing a photon sieve with a high height-width ratio. The method comprises the following steps of: manufacturing a photon sieve mask plate and an optical alignment mask plate; performing X-ray copying by utilizing the photon sieve mask plate to obtain a first copied mask plate; performing the X-ray copying again by utilizing the first copied mask plate to obtain a second copied mask plate; and optically aligning a photon sieve pattern of the second copied mask plate by utilizing the optical alignment mask plate as a mask to obtain the photon sieve with the high height-width ratio. Compared with the conventional manufacturing method for the photon sieve, the method has the advantage that: the photon sieve with a higher height-width ratio and a shorter operating wavelength can be manufactured.

The invention provides a columnar activated carbon, a preparation method thereof as well as a carrier of a ruthenium-based ammonia synthesis catalyst, wherein the columnar activated carbon is prepared from the raw material of a coconut shell, has the average pore diameter of 2-6nm, has the pore volume of 0.6-1.0cm<3> / g, and has the intensity of 140-210N / cm. The method comprises the following steps: kneading a mixed aqueous solution comprising coconut shell powder, a bonding agent, a pore-enlarging agent and an activating agent so as to obtain a kneaded material; molding the kneaded material to obtain a columnar material, and putting the columnar material into an atmosphere furnace, carbonizing and activating so as to obtain the columnar activated carbon. Mesopores of the columnar activated carbon provided by the invention are distributed centrally and have relatively high intensity, so that the application prospect of the columnar activated carbon is expanded further. The method provided by the invention also has the advantages of simple technology and high product yield (the yield is 30%-40%).

The invention belongs to the technical field of biological medicine and specifically discloses a novel use of a Polymerase I inhibitor. The novel use of the Polymerase I inhibitor is studied in the cellular level and the animal experimental level. The Polymerase I inhibitor can inhibit the activity of IL-2, NFATc2, NFkB and IFN-gamma thereby inhibiting the proliferation of T cells, further regulating and controlling the T cell activation and the immune response of the human body and inhibiting the immune rejection of the organ allograft. The Polymerase I inhibitor can be used for preparation of agents for inhibiting the activity of IL-2, NFATc2, NFkB and IFN-gamma, T cell proliferation, T cell activation or immune rejection of the organ allograft and has a large application prospect.

The invention relates to an Al2O3 ceramic and titanium ring diffusion connection method. The method comprises putting an Al2O3 ceramic and a titanium ring to be connected into acetone, carrying out ultrasonic cleaning for 5-10min, putting the titanium ring of which the surface to be connected faces down on a surface of the Al2O3 ceramic slice to be connected, assembling the Al2O3 ceramic slice and the titanium ring to obtain an Al2O3 ceramic / titanium ring assembly, putting the assembly in a vacuum heating furnace, applying pressure until 1-15MPa, when a degree of vacuum is (1.3-2.0)*10<-3> Pa, carrying out electrical heating at a heating rate of 5-15 DEG C / min until a temperature of 900-1000 DEG C, carrying out thermal insulation for 60-120min, cooling the assembly to a temperature of 300 DEG C at a cooling rate of 3-10 DEG C / min, and carrying out furnace cooling so that Al2O3 ceramic and titanium ring diffusion connection is realized. The Al2O3 ceramic / titanium ring joint has a compact structure and high strength and can be used for an artificial retina structure.

The invention belongs to the technical field of synthesis of electro-catalysis materials, and particularly relates to an MXene / Ni3S2 electrode and a preparation method and application in electro-catalysis hydrogen preparation thereof. The preparation method comprises the following steps that 2 g of Ti3AlC2 is added into 40 ml of a 40wt% HF solution slowly, and magnetic stirring is conducted at 200r / min for 24 h; then centrifugation is conducted at 3500 r / min for 2 min, supernate is discarded, water is added for secondary centrifugation, and the step is repeated for multiple times until the pHis near neutral; a precipitate on the lower portion is collected and subjected to vacuum drying at 60 DEG C, 0.5 g of the dried precipitate and 0.25 g of CTAB are stirred in 15 mL of deoxygenated water for 3 h, and then 6-12 mmol of thioacetamide and one piece of nickel foam are added into the solution for continuous stirring for 3 h; finally, the mixed solution is transferred into a high-temperature high-pressure reaction kettle for reaction at 160 DEG C for 4 h, after natural cooling is conducted, deionized water and absolute ethyl alcohol are used for washing the nickle foam in sequence, and then the washed nickle foam is dried at 60 DEG C to obtain the MXene / Ni3S2 electrode. The MXene / Ni3S2 electrode has a low overpotential which is close to that of a commercial platinum-carbon catalyst and a low Tafel slope of 45 mV dec<1> under electric current density of 10 mV cm<2>.

The invention belongs to the technical field of Chinese herbal medicine extraction and in particular discloses a scutellaria barbata extract as well as a preparation method and application thereof. Two compounds in a new structure and two compounds in a known structure are separated from the scutellaria barbata extract. The four compounds have good inhibiting effects on EB (Epstein-Barr) virus replication and have low toxic and side effects; therefore the four compounds have great application prospects in preparing medicines for preventing EB virus infection.

The invention relates to the field of plant molecular biology, in particular to a peanut ferrous transport protein gene as well as an encoding gene and application thereof. The invention discloses peanut ferrous transport protein AhNRAMP1 which is (1) a protein formed by an amino acid sequence shown as SEQ ID No.2, or (2) a protein formed by substituting, deleting or adding one or more amino acids in the amino acid sequence shown as SEQ ID No.2 and derived from (1), equal activity. The invention also discloses a gene for encoding the protein. The utilization efficiency on iron and the content of the iron in kernels can be improved by applying the new species of leguminous plants cultivated by the AhNRAMP1 provided by the invention.

The invention discloses a preparation method of a lipid wrapped solid drug nano particle. The preparation method comprises following steps: at first, preparing a drug nano particle solution from an amphiphilic small molecular drug by a rapid nano precipitation method without adding any stabilizing agent; mixing the drug nano particle solution with a lipid solution, and extruding the mixed solutionto prepare the lipid wrapped solid drug nano particle. Compared with a conventional drug nano particle, the provided lipid wrapped solid drug nano particle has an ultrahigh drug loading capacity, which can reach 60% or more and is obviously higher than that of a conventional drug nano particle. Moreover, the preparation method is continuous, the difference between different batches is small, andthe preparation method is suitable for industrial production. Furthermore, the surface of the drug particle is wrapped by lipid, thus the nano particle can be stably stored for a long term, at the same time, the tumor tissue targeting performance and pH responding property are also enhanced, and the preparation method has a wide application prospect in drug delivery.

The invention belongs to the technical field of Chinese herbal medicine extraction and in particular discloses a scutellaria barbata extract as well as a preparation method and application thereof. Three compounds in a new structure and four compounds in a known structure are separated from the scutellaria barbata extract. The seven compounds have good inhibiting effects on EB (Epstein-Barr) virus replication and have low toxic and side effects; therefore the seven compounds have great application prospects in preparing medicines for preventing EB virus infection.

The invention discloses a self-adaptive intelligent lighting system based on indoor human body activity and a using method thereof, and belongs to the field of physiology and electronics; the system comprises an information acquisition module, an information integration instruction sending module, an indoor lamp central control module, a base station and a color temperature adjustable lamp group;the information acquisition module is in communication connection with the information integration instruction sending module through Bluetooth; the information integration analysis instruction sending module and the indoor lamp central control module are in communication connection with the base station through a 4G network. And the color temperature adjustable lamp is electrically connected withthe indoor lamp central control module. According to the system, the information acquisition module, the information integration analysis instruction sending module, the indoor lamp central control module and the illumination lamp group module are combined; on the basis of indoor light source color temperature adjustable illumination, the self-adaptive intelligent illumination function of human body life and working state changes is achieved, and the method can be applied to more occasions through proper adjustment and has great application prospects.

The invention discloses a method for monitoring compression and tensile deformation of a stressed rod piece based on an optical fiber sensing technology. The method comprises the following steps thatdifferent sensing optical cables, namely quasi-distributed steel bar stress sensing optical cables or quasi-distributed fiber bragg grating strain sensing optical cables, are selected for installationaccording to the type of the supporting rod piece in a to-be-detected area in a foundation pit support structure, and the sensing optical cables are connected with an FBG demodulator; the FBG demodulator sends out a broadband optical signal, transmits the broadband optical signal to the sensing optical cable and reflects a group of narrow-band light with different wavelengths; when the sensing optical cable changes along with the supporting rod piece, the resonance wavelength of the sensing optical cable drifts, the wavelength of reflected narrow-band light is recognized through the FBG demodulator, the wavelength change of the narrow-band light is monitored, and whether the supporting rod piece is subjected to tensile deformation or compressive deformation is judged. Compared with a traditional point type monitoring method, the method has the advantages that quasi-distributed monitoring is achieved through the optical fiber sensing technology, and the measurement convenience, sensitivity and precision are greatly improved.

The invention provides a method for increasing solubility of a carbon nano tube in water and capable of controlling the solubility through light. Cyclodextrin and azobenzene compound can form an inclusion super-molecular complex, the naked benzene ring part in the azobenzene compound can be adsorbed on the surface of the carbon nano tube by Vanderwals force and phi-phi interaction, and the hydrophilic property of the cyclodextrin assists the dissolution of the carbon nano tube in the water so as to form a uniform and stable system. When the system is irradiated by the light of a certain wavelength, the azobenzene compound produces trans-isomerization reaction so as to cause the dissociation of the super-molecular complex and change the solubility of the carbon nano tube. The method increases the solubility of the carbon nano tube in the water, and can control the change of the solubility of the carbon nano tube through the light and enlarge the application range of the carbon nano tube on the aspects of medicament carriers, biosensors and the like.

The invention discloses a three-terminal magnetic random access memory and a reading and writing method thereof, which belongs to the technical field of semiconductor memory. On the free layer of a stress and electric field assisted STT-MRAM, a third terminal is led out from one side which contacts an assistant layer. An electric field is applied between bottom and top electrodes, so that a spin transfer torque magnetoresistive random access memory has a write / erase function. Electric field read and memory state resistance is applied between the bottom or top electrode and the third terminal.The three-terminal STT-MRAM provided by the invention does not pass through the assistant layer when reading the MTJ resistance state, which improves the high-low resistance state signal resolving capability of an MTJ memory cell. The three-terminal STT-MRAM has a great application prospect.

The invention belongs to the field of cosmetics, and discloses an oligopeptide-containing composition and application thereof in an eye mask. The oligopeptide-containing composition comprises the following components: oligopeptide, polypeptide, a penetration enhancer and a solvent. By combining the oligopeptide and the polypeptide and utilizing the rapid skin penetration effect of the penetration enhancer pepper extract, the composition has an effect of rapidly removing eye wrinkles. Particularly, when the oligopeptide is oligopeptide-29 and the polypeptide is tripeptide-1, pentapeptide-3 or acetyl hexapeptide-8, the composition has a more obvious effect of rapidly removing the eye wrinkles. The composition has an effect of rapidly eliminating wrinkles, and when the composition is contained in the eye mask, the eye mask has an obvious wrinkle removal effect on the eye wrinkles within 20 minutes and is rapid in effect. Therefore, the composition has a great application prospect in preparation of cosmetics with a wrinkle removal function.

The invention discloses an intelligent trash bin for a residential community, and belongs to the technical field of trash bins. The intelligent trash bin comprises a barrel body and a barrel cover, and the barrel body is connected with the barrel cover through a connecting piece to realize opening and closing. A photovoltaic panel is arranged on the barrel cover, a central core unit is arranged inthe barrel body, and the core control unit is correspondingly connected with a plurality of pressure sensing units. The core control unit is correspondingly connected with a motor, a radio frequencycard reading element, a color camera lens, an infrared intelligent unit, a storage battery and an indicator unit. The intelligent trash bin has a plurality of different working ways of trash colletingand recycling, and has the working power endurance ability to work efficiently for a long time, and has great application prospects in trash classification and recycling.

The invention discloses a preparation method of a hydroxylamine functionalized graphene membrane and application of the hydroxylamine functionalized graphene membrane in gas-water separation. The preparation method comprises the following steps: adding graphene oxide and hydroxylamine chloride into water according to a mass ratio of (2:1)-(1:3.5), adjusting the pH value to 8-11, heating and refluxing at 40-100 DEG C for 2-48 hours to obtain a hydroxylamine functionalized graphene dispersion liquid, loading hydroxylamine functionalized graphene on a substrate by adopting a suction filtration membrane preparation method, and after suction filtration is finished, washing with water multiple times to obtain the hydroxylamine functionalized graphene membrane. The hydroxylamine functionalized graphene membrane can be used for separating liquid from high-pressure gas and keeping gas pressure, achieves the purpose of gas-water separation and the water-permeable and air-impermeable semi-permeable membrane function, and is particularly suitable for being applied to devices with large water flux.

The invention discloses a method for generating a human face from human eyes based on a self-attention mechanism. The method for generating the human face from human eyes comprises the steps: extracting human eye information from a masked or shielded human face, fully mining an internal mapping relation between the human eyes and the human face through a self-attention mechanism adversarial generative network, synthesizing a vivid human face image according to the human eyes, and carrying out the face recognition of the generated human face. The method mainly comprises the following steps: constructing a data set for generating a human face from human eyes based on a human face image in a public human face data set, training the data set on a model provided by the invention, finishing training after adjusting parameters; extracting a human eye part in the face image and carrying out normalization processing; sending the information to a trained model to complete the generation of a human face; and finally, carrying out identity recognition verification on the synthesized human face and an original human face (ground truth). According to the method, the self-attention mechanism is introduced into the generative adversarial network to guide training, a more vivid face can be generated, the face recognition rate is effectively improved, and the method can be applied to the fields of public safety, terrorism and the like.

The invention discloses a preparation method of an ultrahigh-strength aluminum alloy with high creep resistance. The preparation method comprises the following steps: obtaining a prefabricated alloy ingot; wherein the alloy ingot comprises the following components in percentage by mass: 10.0 to 13.0 wt% of Zn, 1.9 to 3.2 wt% of Mg, 1.2 to 2.2 w wt% of Cu, 0.02 to 0.2 wt% of Ti, 0.1 to 0.2 wt% of Zr, 0.1 to 0.3 wt% of Sc, less than or equal to 0.05 wt% of Fe and less than or equal to 0.05 wt% of Si, Fe is greater than Si, and Al is an equilibrium element; under the inert gas condition, induction melting is conducted on the alloy ingot, and after molten alloy liquid is evenly mixed, atomization spray deposition is conducted to obtain a billet; the billet is extruded into a bar in an isothermal extrusion mode; and the bar is subjected to two-stage solid solution heat treatment, the bar subjected to heat treatment is subjected to quenching treatment, and the finished aluminum alloy is obtained. After hot extrusion, the alloy is completely densified, the room-temperature and high-temperature creep resistance of the alloy is greatly improved compared with a traditional ultrahigh-strength aluminum alloy, and the application prospect of the alloy is greatly expanded.

The invention discloses an application of brassica rapa brassica BraALA3 and BraENT1 gene families in regulation and control of absorption and accumulation of propiconazole. Propiconazole-related transporter genes are screened through a yeast defect type library, after gene homology comparison, a Bragg ALA3 gene family and a Bragg ENT1 gene family related to propiconazole transport are preliminarily obtained, and after the Bragg ALA3 gene family and the Bragg ENT1 gene family are transferred to defect type yeast and W303 strain yeast, it is found that the sensitivity to propiconazole is remarkably improved; the BraALA3 and BraENT1 gene families are knocked out to find that the flowering Chinese cabbage of the mutant flowering Chinese cabbage is thickened and the whole plant is shortened; the results show that the BraALA3 and BraENT1 gene families have the potential of cultivating good varieties of flowering cabbage, and have great application prospects.