58results about How to "Highly innovative" patented technology

The invention discloses a harmonic suppression and dynamic reactive compensation control method for an energy router, which is suitable for a micro-grid and a distributed energy access system. According to the method, three-phase current and voltage signals of an alternating current port of the energy router are collected, five-time and seven-time main harmonic components are extracted through fast Fourier transform, harmonic compensation current instructions equal in amplitude and opposite in phase are generated and injected into an inverter to be output, and active counteracting of main harmonics is achieved. Meanwhile, the bus voltage deviation and the change rate thereof are detected, a reactive current instruction is adjusted on line by adopting a fuzzy self-adaptive PI controller, rapid and smooth dynamic reactive compensation is realized, and the bus voltage is stabilized. Decoupling control of active / reactive and harmonic components is realized in combination with Park conversion, and virtual impedance is introduced to enhance system damping and harmonic suppression capabilities. Compared with the prior art, harmonic suppression and voltage support can be simultaneously realized under a single control framework, the response speed is high, the stability is high, and the method is suitable for high-performance grid-connected operation of the multi-port energy router.

The invention relates to the technical field of oxygen reduction catalysts, in particular to a transition metal-based triatomic oxygen reduction catalyst and a preparation method and application thereof. The invention relates to a preparation method of a transition metal-based triatomic oxygen reduction catalyst. The preparation method comprises the following steps: dispersing carbon nanotubes in a solvent to obtain a dispersion liquid; adding transition metal acetate, urea and 4, 4 '-dihydroxy [1, 1'-biphenyl]-3, 3 ', 5, 5'-tetracarboxaldehyde into the dispersion liquid, performing ultrasonic treatment to obtain mixed liquid, and then performing heating reaction in an inert atmosphere; and after the reaction is finished, naturally cooling to room temperature, filtering, washing and drying to obtain the transition metal-based triatomic oxygen reduction catalyst. The catalyst designed by the invention not only has an efficient catalytic active site, but also remarkably improves the material transmission efficiency and enhances the utilization rate of a catalytic active center by optimizing the structure of a composite material, so that the synergistic enhancement of the electro-catalytic performance is realized.

The invention discloses a main line intersection CAV special lane setting method and a self-adaptive control system in a mixed driving environment. The method comprises the following steps: collecting information in real time; according to the current CAV permeability, the traffic capacity in the trunk line direction in three different states is calculated, the maximum net income of the traffic capacity is calculated, and then lane function switching judgment conditions are set in a mode of comparing the maximum net income of the traffic capacity; the lane function switching judgment condition is used for judging whether to open or close a CAV special lane, and determining that the CAV special lane is set as a CAV full-steering special lane or a CAV straight special lane; and iteratively optimizing the generated signal control scheme by adopting a PS-PPO-based multi-agent deep reinforcement learning algorithm, and generating an optimal signal control scheme in real time. According to the invention, the hybrid lane and CAV lane functions are dynamically adjusted according to the change of the CAV permeability, the cooperative optimization of the lane functions and the signal control scheme is realized, and the traffic efficiency of the trunk line intersection is improved to the greatest extent.

This invention belongs to the field of engineering machinery technology and relates to a construction method for a variable-diameter drilling and reaming integrated pile driver. It solves the problem that existing drilling and reaming integrated pile drivers cannot change diameter. The construction method is based on a variable-diameter drilling and reaming integrated pile driver, which includes an active pipe, a driven pipe, an upper wing plate seat, a lower wing plate seat, and a reaming arm. The reaming arm is formed by connecting an upper wing plate and a lower wing plate. The upper wing plate is formed by connecting an upper wing plate and an upper wing plate link, and the lower wing plate is formed by connecting a lower wing plate and a lower wing plate link. The construction method determines the length of the reaming arm to be connected by adjusting the position of the upper wing plate seat on the gear key and the position of the lower wing plate seat on the driven pipe. Then, it adaptively adjusts the number of wing plate link connections. Through the coordinated cooperation between the components, it achieves reaming operations for different pile diameters, angles, and sizes, which is simple, convenient, and greatly improves construction efficiency.

This invention relates to the application of the inhibitor NP-G2-044 in the preparation of breast cancer drugs, belonging to the field of biomedical technology. It aims to address the problems of drug resistance and significant toxic side effects in existing breast cancer treatments. This invention provides the application of NPG2044 in inhibiting breast cancer cell proliferation and regulating apoptosis, and constructs a combination therapy system of NPG2044 and doxorubicin. Cell proliferation inhibition rate was detected by CCK8 assay, and the expression of apoptosis-related proteins Bax, cleaved PARP, and Bcl2 was detected by Western blot. NPG2044 can specifically inhibit breast cancer cell proliferation and induce apoptosis. Its combination with doxorubicin exhibits a synergistic effect, reducing the single-drug dosage and toxic side effects, providing a new target and combination therapy strategy for breast cancer treatment.

The invention discloses a roe polypeptide composition with an immunity enhancing function, a preparation method, application and a preparation, and belongs to the technical field of bioactive polypeptides, the composition comprises at least one of polypeptides with the amino acid sequence being RWFPGKPLFWRA, FWKPLRGALFPW or KWRFPGALPWFA, the molecular weight is 1400-1550 Da, the preparation method comprises roe protein extraction, composite enzymolysis, ultrafiltration separation, chromatographic purification and solid-phase synthesis, and the roe polypeptide composition is prepared from the roe polypeptide composition with the immunity enhancing function. Animal experiments prove that the polypeptide can significantly enhance cellular immunity, humoral immunity, mononuclear-macrophage functions and NK cell activity, the mechanism relates to TLR2 / TLR4 receptor activation and NF-kB / MAPK signal pathways, and the polypeptide is good in safety and suitable for being developed into immunological enhancement health food or medicine.

The invention relates to the technical field of natural language processing and mapping knowledge domain, and particularly discloses a mapping knowledge domain relation extraction method fusing a syntactic structure and a domain rule. The method aims at solving the problems of semantic understanding deviation and insufficient domain knowledge utilization in vertical domain relation extraction. The method comprises the steps that dependency syntactic analysis is conducted on a text, a syntactic dependency adjacency matrix is constructed, and meanwhile a rule adjacency matrix is generated based on domain rule base matching; carrying out weighted fusion and filtering on the two types of matrixes to obtain an enhanced adjacent matrix; inputting the matrix and a text vector into a graph convolutional network fused with a dependency type attention mechanism, and learning to obtain a node enhancement representation; and finally constructing an entity pair feature vector to finish relationship classification. Through explicit fusion of interpretable syntactic rules and domain priori, the accuracy and robustness of relation extraction in professional fields such as a power distribution network are improved. Experiments show that the model relation extraction F1 value reaches 86.07% and is improved by 1.31% compared with a baseline model with the optimal performance.

The present application relates to a kind of based on platform recommendation utility characterization implementation social platform information propagation prediction method, comprising the following steps: generating social content representation and social user representation;Social platform recommendation vector is built;According to network structure channel, the propagation process is predicted;Fusion platform recommendation channel;Decoding obtains subsequent time infected user.The present application also relates to a kind of based on platform recommendation utility characterization implementation social platform information propagation prediction device, processor and its computer readable storage medium.The momentum updating mode is used to iteratively update platform recommendation vector in the present application based on platform recommendation utility characterization implementation social platform information propagation prediction method, device, processor and its computer readable storage medium, can keep the stability of feature semantic distribution, using the idea of gated network, platform recommendation mechanism is regarded as parallel channel with friend propagation, when carrying out propagation prediction, the influence of platform recommendation mechanism is introduced.

This invention belongs to the field of microbial fermentation and functional food technology, specifically relating to a postbiotic composition derived from *Lactobacillus helveticus* CICC6024, its preparation method, and its applications. The postbiotic composition of this invention achieves multi-target synergistic regulation of blood glucose through three pathways: inhibiting α-amylase and α-glucosidase, significantly improving glucose consumption in insulin-resistant cells, and restoring the activity of key enzymes in glucose metabolism. Using LC-MS / MS peptidomics technology, the components of the postbiotic were systematically analyzed, and 27 fermentation-specific differentially produced peptides were identified, providing a clear material basis for its efficacy and achieving a leap from a "black box" to a "clear map."

The utility model provides a wire harness with a flame-retardant structure, which relates to the field of wire harnesses, and comprises an inner core assembly, the main body of the inner core assembly is a cable, and the outer side of the inner core assembly is wrapped with an inner insulating layer. In order to solve the problem that a corresponding flame-retardant structure needs to be arranged due to the fact that the cable is fractured when being worn and is easily subjected to detonation and other potential safety hazards when being connected with an external conductor at a high temperature, multiple insulation and shielding structures, namely an inner insulation layer, an outer insulation layer and a shielding layer, are arranged, so that the insulation performance and the anti-electromagnetic interference capability of the wire harness are greatly improved, and the service life of the wire harness is prolonged. The electric leakage risk caused by poor insulation is effectively reduced, the potential safety hazard of detonation caused by connection between high temperature and an external conductor is avoided, the safety performance of a traditional wire harness is innovatively improved, and the design of the spiral tensile assembly enhances the tensile capacity of the wire harness.

The utility model belongs to the in-situ soil sample tester technical field relates to a portable electric penetration appearance, its characterized in that: including test base, connecting assembly and penetration assembly, the upper end of test base is installed with penetration assembly through connecting assembly. The portable electric penetration appearance, the structure design of test base and penetration assembly integration in prior art is dismantled the split type structure of test base and penetration assembly through connecting assembly, greatly reduces the storage volume, and it is convenient to carry back and forth, convenient to use.

The utility model belongs to the technical field of automobile production line equipment, especially relates to a trolley delivery rack, it is composed of side frame one, side frame two, upper layer roof beam, lower layer roof beam, side frame one, side frame two are set up oppositely, and upper layer roof beam, lower layer roof beam are set up between side frame one, side frame two, side frame one, side frame two structure are same, are all composed of stand, upper connecting beam, lower connecting beam, and stand sets up in both ends, and upper connecting beam, lower connecting beam are connected between the stand, upper layer roof beam, lower layer roof beam, structure is same, all are rectangular tubular parts, and two ends are made with assembly screw hole on it, and its top surface oppositely sets up limit block one, limit block two. The utility model trolley delivery rack structure design scientific and reasonable has the advantages such as stable and firm structure, larger capacity, can fully utilize loading space, convenient loading and fixing, is a kind of trolley delivery rack with higher innovation.

This utility model belongs to the technical field of welding equipment, and relates to an automated laser wireless welding device for idler roller bearing seats. It includes a machine bed, a workpiece fixing and clamping mechanism, a workpiece moving and clamping mechanism, a moving component, a slide module, a multi-joint welding torch positioning frame, a laser welding torch, and an idler roller tube support. The workpiece fixing and clamping mechanism is fixedly mounted at one end of the machine bed, and the workpiece moving and clamping mechanism is slidably mounted at the other end of the machine bed via the moving component. Slide modules are mounted on both the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. A laser welding torch is flexibly mounted on each slide module via the multi-joint welding torch positioning frame. The idler roller tube support is installed between the workpiece fixing and clamping mechanism and the workpiece moving and clamping mechanism. This utility model has a scientific and reasonable design, and has the advantages of high welding efficiency, labor saving, high welding precision, and ease of implementation. It is a highly innovative automated laser wireless welding device for idler roller bearing seats.

This invention discloses an intelligent configuration method for graphics card workstations based on big data analysis, comprising: S1, collecting data and features to generate an original holographic runtime dataset; S2, constructing a three-dimensional heterogeneous tensor matrix, extracting the kernel tensor and factor matrix using HOSVD decomposition, and generating a deep computing power feature vector; S3, constructing a computing power feature profile library, calculating similarity to identify task load pressure patterns, and outputting a target task feature profile; S4, generating a preliminary configuration scheme using an improved WGAN-GP model, and introducing a manifold regularization projection mechanism to filter candidate configuration subsets; S5, parsing and obtaining hard constraints, and matching the final configuration parameters; S6, issuing configuration parameters and collecting real-time load data for dynamic correction; S7, constructing incremental samples to feed back into the original dataset, and performing continuous iterative self-optimization. This invention achieves accurate matching of graphics card resources and task load, effectively improving the computing power utilization efficiency of the workstation.

The utility model belongs to the technical field of automatic guided vehicles (AGV), and relates to an ultralow large-load differential wheel set for an AGV, which comprises a mounting frame, a hydraulic oil cylinder, a cylinder rod connecting ring, a gear ring, an angle detection gear, an angle encoder, a slewing bearing, a first-layer mounting plate, a second-layer mounting plate, a guide mechanism and a driving wheel, a cylinder rod connecting ring is fixedly arranged on a cylinder rod of the hydraulic oil cylinder, the cylinder rod connecting ring is fixedly arranged on an inner ring of the slewing bearing, a second-layer mounting plate is fixedly arranged at the bottom of an outer ring of the slewing bearing, a first-layer mounting plate is fixedly connected with the cylinder rod of the hydraulic oil cylinder and the inner ring of the slewing bearing, and a gear ring is fixedly arranged on an outer ring of the cylinder rod connecting ring. The gear ring is meshed with an angle detection gear connected with an angle encoder, guide mechanisms are installed on the two sides of the bottom of the second-layer installation plate, and driving wheels are symmetrically installed at the two ends of the installation frame. The device has the advantages of being compact in structure, convenient to maintain, long in service life and easy to implement.

The application discloses a method for preventing LF furnace alloy addition error, and belongs to the technical field of steel metallurgy. The steps are as follows: S1: converter smelting initial molten steel; S2: adding alloy at an argon blowing station according to process requirements to perform component coarse adjustment; and S3: adding alloy multiple times at an LF to adjust the component of molten steel; wherein, the LF establishes an alloy error prevention model, and specifically comprises: 3-1: building a storage module; 3-2: building a calculation module; and 3-3: building a processing module. The application simultaneously calculates the chemical component of the current molten steel by using the integral method and the iteration method, further calculates the component of the molten steel after adding the alloy, compares the component with the upper limit of the steel standard, and prohibits the addition of the alloy if the component exceeds the upper limit. The purpose is to reduce the risk of component exceeding the standard caused by excessive alloy addition during LF smelting, and the application has strong innovation and practicability, and can effectively overcome the component exceeding the standard caused by excessive alloy addition due to the non-representativeness of the steel sample during the component adjustment of the steel in the LF furnace.

The invention relates to the technical field of analysis of intestinal flora structures, and discloses a method for analyzing an adjusting effect of intestinal flora in a longevity / aging process, which comprises the following steps: step 1, selecting research objects: randomly selecting 30 old people of more than 100 years old, and selecting 30 old people of 60-70 years old as a control group; 2, basic condition investigation and physical examination of a research object; and 3, detecting technical indexes of a research object. According to the invention, the change of intestinal micro-ecology of the 100-year old people is preliminarily discussed, and the dominant flora with longevity characteristics and the biomarkers are determined. The influence of aging on intestinal microecology is obvious, so that the diversity of intestinal flora is obviously reduced, and the structural proportion of the intestinal flora is also changed; the intestinal flora spectrums of the same age group are relatively similar, that is, the core flora exists; the'core flora 'of different age groups has difference. By combining genetic backgrounds, lifestyles and environmental factors of different samples, the influence of different lifestyles and environmental factors on the structure and longevity of intestinal bacteria is determined.

The application provides a simulation method and device for harmonic detection of cable joint interface pressure and a medium. The method comprises the following steps: modeling a simulation geometric model of a cable intermediate joint, and setting an ultrasonic excitation source; modeling through a nonlinear spring damper to obtain a cable joint pressure model; simulating nonlinear ultrasonic detection of the cable joint interface pressure, and obtaining a frequency spectrum diagram at each point probe. Through modeling of the nonlinear spring damper on the cable joint model, the nonlinear interaction at the interface of the cable intermediate joint is simulated, the change of the harmonic characteristics when the interface pressure changes is deeply explored by using the nonlinear harmonic detection principle, the relationship between the two is established, the state of the cable intermediate joint under various interface pressures is accurately simulated, the pressure at the interface of the cable intermediate joint is fully considered, and simulation analysis is performed on the cable joint interface pressure detection by establishing a new interface nonlinear model.

This application relates to the field of metal powder preparation technology, and in particular to a method for preparing silver powder for ultrafine line printing, comprising the following steps: preparing a silver ammonia solution and adding a dispersant, stirring to dissolve, adding a reducing agent solution, and aging to obtain nano-silver sol; forming a mixture of an initiator and deionized water, preparing aqueous solutions of acrylic acid and acrylamide separately, and adding them to the mixture for reaction, cooling and filtering to obtain an acrylic acid-acrylamide copolymer; weighing silver nitrate and deionized water, stirring to obtain solution A; weighing a reducing agent and deionized water, adjusting the pH to 1-2, and then adding the nano-silver sol and acrylic acid-acrylamide copolymer to obtain solution B; rapidly adding solution A to solution B, adding a surface modifier after the reaction is complete, aging, centrifuging, washing, and drying. The silver powder prepared by this application has the advantages of small average particle size, good overall uniformity, and small surface area, making it suitable for the field of ultrafine line printing.

The utility model relates to a solar plankton automatic collector which comprises a plankton collecting net, a water outlet pipe, a net bottom collecting pipe, a solar panel, a circuit module, a support, a water pump, a water collecting pipe, an acrylic plate and a foam floating plate. The circuit module comprises a battery and a relay, and the circuit module is electrically connected with the water pump and the solar panel; the water collecting pipe and the water outlet pipe are connected with a water pump pipeline; the bracket is fixedly connected with the plankton collecting net; the bracket, the circuit module, the solar panel and the foam floating plate are fixedly connected with the acrylic plate; the water pump and the water collecting pipe are arranged at the lower part of the foam floating plate; the plankton collecting net is fixedly connected with the net bottom collecting pipe; the bracket is an aluminum alloy bracket; a protective shell and a protective cover are arranged on the circuit module; the relay adopts a delay relay module. And the operation is labor-saving and safe. And the sampling is accurate and flexible. And the equipment is portable and low in cost. The equipment is small in size, light in weight, simple to assemble and convenient to carry.

The present application relates to a kind of talent innovation potential excitation and guiding system, including user information management, innovation data collection and analysis, personalized innovation assistance, personalized innovation guidance, sharing exchange, innovation customization, smart contract, innovation prediction, competition challenge, think tank research display, innovation guidance fund management and financial service cooperation module etc.Module.The system is efficiently processed and analyzed to multi-field information by advanced artificial intelligence creative model, provides innovation inspiration for talent.In the establishment of innovation method library and creative generation model and dynamic guiding module, form multidimensional interactive cooperation platform, enhance the exchange and cooperation and the fun of innovation between talents, form team power.The system takes artificial intelligence as core means, through the realization of each module function, aims at effectively stimulating and guiding the innovation potential of talent, promotes the efficient development of innovation activity, with remarkable innovation, practicality and operability.

The utility model belongs to the technical field of wiring harness assembly, and relates to a wiring harness rubber sleeve reamer, which comprises a reamer body and a telescopic limiting mechanism, the telescopic limiting mechanism comprises a guide block, a positioning pin head, a drawing pin, a guide column and a spring, the positioning pin head is limited to the external thread positioning sleeve through the meshing with the toothed disc. The utility model also relates to a wiring harness rubber sleeve reaming system, which comprises a mounting base plate, a mounting seat, an electric linear slide, a fixed wiring harness rubber sleeve reamer and a movable wiring harness rubber sleeve reamer. The two ends of the wiring harness rubber sleeve are reamed through the fixed wiring harness rubber sleeve reamer and the movable wiring harness rubber sleeve reamer, so that stable and efficient reaming work of the long wiring harness rubber sleeve is realized. The utility model has the advantages of high reaming accuracy, convenient subsequent wiring harness assembly, safety and reliability, meeting the reaming requirements of wiring harness rubber sleeves of different lengths and easy realization, and is a wiring harness rubber sleeve reamer and reaming system with high innovation.

The invention discloses a tunnel full-process mechanical building construction method and system, is used for solving the technical problems related to back break control, primary support flatness, lining compactness and process cooperation efficiency in tunnel construction, and belongs to the technical field of tunnel and underground engineering construction. The method comprises the following steps that firstly, a tunnel is excavated; tunnel excavation is carried out by using a synchronous benching method in tunnel excavation based on large machine operation space optimization; 2, controlling over-break and under-break of the tunnel; intelligent control over back break of the drill jumbo is carried out through multi-mode cooperation; thirdly, tunnel primary supporting is carried out; the sprayed concrete in the primary support of the tunnel is subjected to three-time spraying, two-time scraping and one-time surface sweeping, so that precise layered forming is facilitated; fourthly, tunnel lining is conducted; the quality of the tunnel lining is guaranteed through integration of anti-disengaging double control and longitudinal pouring.

The utility model discloses a tire vulcanization condensation water recycling device, and relates to the technical field of tire vulcanization heat waste recycling. The device structurally comprises a steam trap, a water storage tank, a water pump, a heat exchanger, an overtemperature heat pump, a gas collecting hood, an air feeder and an air supply pipe, the steam trap is arranged on a condensed water discharge port of the vulcanizing machine; the steam trap is communicated with the water storage tank through a first pipeline; a desuperheating water inlet of the heat exchanger is connected with low-temperature desuperheating water, and a desuperheating water outlet of the heat exchanger is connected with the overtemperature heat pump through a third pipeline. According to the utility model, condensed water cooled by the heat exchanger can be used as replenishing water of the cooling tower, and temperature-increased desuperheating water enters the overtemperature heat pump to be reheated, so that high-temperature and high-pressure steam is generated to be used by a vulcanizing machine or other production links needing steam; in addition, in order to recycle hot air released by the vulcanizing machine to the maximum extent, an air feeder on an air collecting hood can be started in winter, and the hot air is conveyed into the overtemperature heat pump to improve the working efficiency of the overtemperature heat pump.

The application discloses a method for sulfonylating halogenated quinoline and aryl sulfonohydrazide, wherein the halogenated quinoline compound and the aryl sulfonohydrazide are subjected to a sulfonylating reaction in a solvent to obtain a target compound. The application provides a simple method for forming a sulfonyl quinoline without adding any catalyst and additive, and the method is green and environment-friendly, and the reaction condition is simple and mild, and the method has the characteristics of simple post-treatment, green step, low pollution, high economic benefit and the like.

The application discloses a kind of defect sample generation method, device, automatic optical detector and storage medium.The defect sample generation method includes: the normal sample output after being detected with AOI detection equipment as research object, and using component positioning method to extract solder joint image, by analyzing the characteristics of defect sample solder joint area, the qualitative characteristics of defect are converted into the quantitative characteristics convenient for modeling analysis, and the complete scheme of defect sample generation is provided using graphic modeling and image processing technology.The generation of a variety of defect samples is realized, and it is convenient to batch generate defect samples, and has strong innovation and application value.

The application discloses a kind of staphylococcus aureus targeted nanobody and application thereof.The application obtains a pair of staphylococcus aureus nanobody pair with good pairing effect by nanobody phage library construction and phage screening technology, and constructs a detection kit based on sandwich method ELISA which can be used for the detection of actual living bacteria in food.The nanobody disclosed in the application shows high affinity and high specificity when combined with staphylococcus aureus, and has the advantages of good stability and low cost compared with monoclonal antibody, can be mass-produced, and has wide application prospect in staphylococcus aureus detection and analysis field.The detection kit disclosed in the application can achieve the detection limit of 4.27^10 4 cfu / ml.

The application provides a new drug molecule design method and device fusing convex optimization and evolutionary learning, and belongs to the field of biological information. The method comprises the following steps: in a generative adversarial network, a generator is used to generate a small molecule sequence, the generator is established by adding an attention mechanism model in a long short-term memory network; a discriminator is used to evaluate the authenticity of the small molecule sequence, the discriminator is established by using a convolutional neural network based on convex optimization improvement; a strategy gradient method is used to update the parameters of the generator, and a gradient descent method is used to update the parameters of the discriminator; and a final generator corresponding to the final generator parameters is used to generate a final small molecule sequence. The application can generate small molecules with high similarity to original samples, high effectiveness and strong innovation, improves the diversity and quality of generated molecules, and especially performs well in generating molecules with specific functions.

The present application relates to the technical field of immunological detection, in particular to hepatitis B PreS1 antigen and its preparation method and application. The present application first selects an active PreS1 polypeptide sequence, which is coupled to a hepatitis B surface antigen HBsAg molecule through a crosslinking agent to obtain a hepatitis B PreS1 antigen having both hepatitis B surface antigen activity and PreS1 antigen activity, which can be used as a calibrator and positive control in a hepatitis B PreS1 antigen detection kit. The kit uses anti-PreS1 antibody as coating and anti-HBsAg antibody as enzyme label. The artificial coupled hepatitis B PreS1 antigen prepared by the present application can effectively replace the currently used PreS1 real positive sample on the market, has no biological safety risk, stable source, and various indexes such as reactivity, vehicle stability and thermal stability, which are all better than those of the real positive sample, and has high innovation and applicability.

The application discloses application of a colorant with a Trichoderma viride metabolic product as an effective component to promote fruit coloring. The Trichoderma viride metabolic product is prepared by fermentation of a Trichoderma viride strain (CGMCC 3.11450), and the obtained Trichoderma viride metabolic product has a significant promoting effect on fruit coloring. When the Trichoderma viride metabolic product is used in combination with an emulsifier, a dispersing agent and a calcium-containing foliar fertilizer / fruit surface fertilizer, the fruit skin hardness can be enhanced, anthocyanin accumulation can be promoted, and the coloring rate can be improved. The Trichoderma viride metabolic product is creatively applied to promote fruit coloring, the fermentation process is mature, the raw material cost is low, the product is fast, large, stable, the preparation is natural and environment-friendly, the coloring effect is significant, the development and utilization of the beneficial bacteria in agricultural use are widened, a green and environment-friendly biological source preparation for fruit coloring is provided, and the application has good development and application prospect and practical significance.