73results about How to "Innovative" patented technology

The invention provides a computing system and method for GPU computing power scheduling, and the method comprises the following steps: 1, obtaining computing task data, and carrying out the information collection of each task through receiving a to-be-processed computing task queue; according to the invention, through task information collection and deep analysis, and GPU resource omnibearing monitoring and workload prediction, deep understanding of tasks and GPU resources is realized, highly accurate computing power distribution can be carried out, resource waste is avoided, and the resource utilization rate is improved; advanced technologies such as a knowledge graph, mixed integer programming and deep reinforcement learning are fused through the intelligent scheduling model, the fusion mode is innovative in the GPU computing power scheduling field, the limitation of singleness of a traditional scheduling model is overcome, the method can better adapt to a complex and changeable computing environment, the task execution efficiency is optimized, and the task scheduling efficiency is improved. The adaptability and competitiveness of the whole system in a complex environment are remarkably improved, and an excellent solution is provided for the GPU computing power scheduling problem in the field of high-performance computing.

The invention relates to a fault detection method based on a multi-modal attention mechanism. The method comprises the following steps: performing data fusion on multiple data sources in an IT system; wherein the multiple data sources comprise log data, monitoring data and user behavior data; inputting the fused data into a fault detection model to obtain a fault detection result; wherein the fault detection model is constructed based on a GRU neural network and a multi-head attention mechanism. According to the invention, by introducing the large language model, the GRU neural network, the multi-head attention mechanism and the multi-modal data fusion technology, the accuracy and reliability of system fault detection can be effectively improved.

The invention discloses a shaft fluid production profile joint inversion method based on DTS and DAS data, and relates to the technical field of oil and gas exploitation monitoring. According to the technical key points, a DTS forward model and a DAS forward model are established respectively, a multi-target optimization model is established based on the minimum joint error of model calculation data and measured data of DTS and DAS, DTS and DAS signal joint inversion is performed through a multi-target optimization algorithm, the optimal parameters of the wellbore liquid production profile are obtained, and the interpretation precision of the underground injection-production profile is improved.

The invention provides a dynamic evolution measurement method for internal damage of a material in a high-temperature service environment, and mainly aims to solve the problem that the dynamic evolution process of micro defects such as micro holes and micro cracks in an engineering material in a high-temperature, high-pressure and closed environment is difficult to measure and the engineering problem that the life is not accurately predicted due to the holes. According to the technical scheme, a phased array nondestructive testing technology and a high-temperature testing machine are combined, the whole dynamic evolution process of the diameter of the micro-hole is actually measured, the function mapping relation between the micro-hole growth and displacement and the stress level is established, and the micro-hole diameter is accurately measured on the basis of the rigidity equivalence principle of a mechanical loading system of the testing machine. Therefore, the dynamic evolution measurement method for the internal damage of the material in the high-temperature service environment is obtained.

The invention discloses a treatment method for relieving respiratory climacteric fruit and vegetable oxidation browning, and belongs to the technical field of fruit and vegetable storage and fresh-keeping processing. The method comprises the following steps: soaking treatment equipment and fruits and vegetables with NaClO or 75% ethanol solution, washing with deionized water, draining, and cutting into fresh-cut fruit and vegetable slices; soaking the pretreated fresh-cut fruit and vegetable slices in a 2-50 [mu] mol / L theanine solution, taking out the fresh-cut fruit and vegetable slices after the fresh-cut fruit and vegetable slices are completely soaked, and removing moisture on the surfaces of the fresh-cut fruit and vegetable slices; and storing the fresh-cut fruit and vegetable slices, wherein the sealed storage temperature is 0.5-8 DEG C. The treatment method can effectively slow down browning of the fresh-cut fruits and vegetables, is pollution-free to the environment, safe and sanitary, can improve the edible flavor of the fresh-cut fruits, and has the advantages of being green, environment-friendly, high in quality and low in price; the method not only can be used for relieving oxidation browning of fresh-cut apples, pears and yellow peaches, but also can be applied to browning and preservation of other breath climacteric fruits and vegetables, weight loss is reduced, and the method has good economic value.

The invention discloses a hemodialysis internal fistula puncture needle consumable management system and method, and relates to the technical field of hemodialysis consumable management, and the method specifically comprises the following steps: obtaining consumable demand change information of all abnormal departments in real time, and respectively generating demand fluctuation sensitivity coefficients and abnormal fluctuation evaluation indexes of all abnormal departments; and constructing an abnormal fluctuation evaluation model for the generated demand fluctuation sensitivity coefficient and abnormal fluctuation evaluation index of each abnormal department, generating an abnormal evaluation coefficient of each abnormal department, and evaluating the abnormal degree of the consumable demand change of each abnormal department. And the abnormal departments are divided into high-degree abnormal departments, medium-degree abnormal departments and low-degree abnormal departments according to evaluation results. According to the invention, through real-time monitoring and intelligent analysis of the consumable demand change of the abnormal department, the problem that inventory distortion and demand abnormity cannot be identified in time in a traditional management mode is solved, and the accuracy and efficiency of consumable management are improved.

The invention relates to the technical field of intelligent navigation, and discloses an intelligent navigation system based on image recognition, comprising: an image data acquisition module for acquiring an image of an environment, the image data acquisition module comprising a binocular camera for generating a depth map, and processing the acquired image data through a data preprocessing module; and the data preprocessing module is connected with the image data acquisition module, and the data preprocessing module comprises a denoising unit, a contrast enhancement unit and an HDR processing unit. A multi-modal data fusion technology is adopted, images, laser radar and inertial measurement unit data are integrated, high-precision fusion of the data is realized in combination with an extended Kalman filter, the accuracy and stability of environmental perception are enhanced, the limitation of a single sensor in a complex environment is overcome, and the accuracy and stability of environmental perception are improved. The system can accurately sense the surrounding environment under the conditions of severe weather, illumination variation and the like, and the overall reliability and adaptability of the system are remarkably improved.

The invention discloses a dynamic polyene amine compound as well as a preparation method and application thereof. The structural formula of the dynamic polyene amine compound is as shown in formula (I). The dynamic polyenamine compound is obtained by carrying out polymerization reaction on a binary amide activated alkynyl compound and a diamine compound in an organic solvent. The preparation method has the advantages of mild reaction conditions, no need of catalyst, simple and easily available raw materials, high atom utilization rate, high polymer yield, high molecular weight and excellent stereoselectivity. The dynamic polyene amine compound prepared by the invention has the properties of good processability, film-forming property, high thermal stability, non-traditional luminescence and the like, and the dynamic enamine bond contained in the dynamic polyene amine compound prepared by the invention can realize accurate degradation and structural replacement of a polymer under mild conditions.

The invention relates to blood concentration detection, in particular to a reagent and a method for detecting a monoclonal antibody drug and an anti-monoclonal antibody drug antibody. The reagent for detecting the monoclonal antibody drug and the anti-monoclonal antibody drug antibody comprises a reagent C and a reagent D, wherein the reagent C comprises a mouse anti-F (ab) 2 monoclonal antibody-1 coupling luminous marker and mouse anti-F (ab) 2 monoclonal antibody-2 coupling biotin; the reagent D comprises a macromolecular monoclonal antibody drug coupled luminous marker and F (ab) 2 coupled biotin; the mouse anti-F (ab) 2 monoclonal antibody-1 coupling luminous marker and the macromolecular monoclonal antibody drug coupling luminous marker are mouse anti-F (ab) 2 monoclonal antibody-1 and macromolecular monoclonal antibody drugs which are marked by luminous markers. According to the invention, the monoclonal antibody drug and the anti-drug antibody thereof can be simultaneously detected by one sample, the reaction steps are fewer, and the reaction time is shorter.

The application discloses a kind of multi-modal hierarchical fusion network-based motor function multidimensional intelligent evaluation method and system. First, multi-modal data input is carried out, and the original data from the sensor is received;Then data preprocessing and feature extraction are performed, signal filtering, segmentation, alignment and feature extraction are completed;Efficient fusion of multi-modal data is realized by using MMHF-Net core model;Finally, multi-scale evaluation result output is realized, which is used to generate macro, meso and micro three-level evaluation results. The present application deeply fuses kinematics, electromyography, electroencephalogram and visual information, accurately restores the motor control process, and the evaluation accuracy is significantly better than that of single modal method. The proposed multi-modal hierarchical fusion network MMHF-Net can model multi-modal spatio-temporal interaction and dynamically focus on key information, while outputting scale scores, sub-project indicators and recognition results, providing fine-grained clinical insights, and achieving excellent generalization performance relying on multi-task learning and data augmentation.

The invention provides a simulation method and device for detecting interface pressure of a cable joint through harmonic waves and a medium. The method comprises the following steps: modeling a simulation geometric model for the cable intermediate joint, and setting an ultrasonic excitation source; modeling through a nonlinear spring damper to obtain a cable joint pressure model; and performing nonlinear ultrasonic detection cable joint interface pressure simulation on the cable joint pressure model to obtain a spectrogram at each point probe. According to the invention, on a cable joint model, modeling is carried out through a nonlinear spring damper, nonlinear interaction at a cable intermediate joint interface is simulated, a nonlinear harmonic detection principle is utilized, and the change of harmonic characteristics when the interface pressure changes is deeply explored, so that the relationship between the two is established; the states of the cable intermediate joint under various interface pressures are accurately simulated, the interface pressure of the cable intermediate joint is fully considered, and simulation analysis is performed on the interface pressure detection of the cable joint by establishing a new interface nonlinear model.

The invention discloses a preparation method and application of athlete-derived bifidobacterium probiotics for intestinal barrier repair, and relates to the technical field of biochemistry and microorganisms, and the preparation method comprises the steps of special bacteria source sampling, directional separation and purification, molecular biological identification, antibiotic sensitivity evaluation and injury repair verification. According to the preparation method and application of the sportsman-derived bifidobacterium probiotics for repairing the intestinal barrier, the sportsman intestinal flora is used as an exclusive bacterial source, and the unique metabolic elite attribute and stress adaptability of the sportsman intestinal flora are utilized to directionally screen and obtain a bifidobacterium strain adaptive to an extreme physiological stress environment; the bottleneck that conventional probiotics are only suitable for a common physiological environment and the survival rate and activity in a stress state are greatly reduced is broken through, high survival rate and metabolic activity can be kept in extreme environments such as exercise heat stress and the like, and accurate repair of intestinal barriers is realized through multiple mechanisms; meanwhile, an exclusive screening, identification and safety evaluation system is established, so that the safety and functional specificity of the strain are ensured.

The utility model discloses novel liquid filtering equipment. The novel liquid filtering equipment comprises a booster pump, a check valve, a liquid conveying pipe and a filter, the filter comprises an upper tank body and a lower tank body, a layer of filter holes are fixedly formed in the upper part of an inner cavity of the lower tank body, a silk woven filter element is laid above the filter holes, and a sealing ring is cushioned above the silk woven filter element; the periphery of the lower part of the upper tank body and the upper part of the lower tank body spirally press the sealing ring through threads to be connected to form sealing; the novel liquid filtering equipment and the silk woven filter element thereof are scientifically designed, so that silkworms can be massively bred, and the cost of silk is far lower than that of a nano filtering layer; physical properties such as diameter, toughness and adhesiveness of the silk are far better than those of the filter cotton; the filter element woven by silk cannot be broken to enter liquid to form self-pollution; the silk weaving process is simple and mature, and shaping is convenient; the device has the advantages of low cost, excellent filtering effect, high integrity and high price and is easy to popularize; the method has innovativeness, creativity and practicability.

The present invention relates to the technical field of aquatic animal disease prevention and control, and specifically to a nanocomposite for neuronecrosis virus, a preparation method thereof and an application thereof. The present invention provides a nanocomposite composed of polylactic-glycolic acid copolymer, polyethyleneimine and siRNA, and the present invention also provides a preparation method of the nanocomposite and an application thereof in the preparation of a drug for improving the survival rate of fish eggs infected with neuronecrosis virus. The present invention simulates neuronecrosis virus, constructs a vector of neuronecrosis virus capsid protein, and expresses it in cells; screens out siRNA that can effectively inhibit the expression of viral capsid protein, and then constructs a nanocomposite of neuronecrosis virus, blocks NNV in the embryonic period (fertilized eggs), and then improves the survival rate of fry, further opening up new possibilities for treating early diseases of fry, and the method is innovative in the field of artificial breeding of aquatic animals, and provides a new idea for virus prevention and control in the field of aquaculture.

The utility model relates to the field of diesel engine crankshaft parts, in particular to a crankshaft of a diesel engine for teaching. The crankshaft of the diesel engine for teaching comprises a support, mounting grooves and clamping jaws, the top of the support is rotationally connected with a crankshaft body, the middle of the support is fixedly connected with a cross rod, a tank is mounted on the cross rod, the mounting grooves are symmetrically formed in the crankshaft body, balancing weights are mounted in the mounting grooves, and the two clamping jaws are symmetrically mounted at the bottom of the support. According to the utility model, the mounting seat and the balancing weight are arranged on the crankshaft body, and the motor is combined to drive the crankshaft to rotate, so that the state change of the crankshaft in the movement process can be intuitively displayed; meanwhile, the transparent tank body on the cross beam and the shaking condition of clear water in the transparent tank body can clearly reflect the uniformity of the crankshaft counterweight and whether defects exist or not, so that students are helped to better understand the importance of the crankshaft balance.

In order to solve the problem that when the diesel engine belt pump is assembled, a transmission gear can rotate with a pump shaft and cannot be assembled, the gear assembly tool for the marine diesel engine belt pump is designed to guarantee stable and reliable assembly of the transmission gear. The gear assembly tool for the marine diesel engine belt pump comprises a fixing ring with an adjusting screw hole, a gear assembly tool body and a gear assembly tool body, and a screw hole is formed in the fixing ring with the adjusting screw hole; and the adjustable simulation teeth are meshed with the outer teeth of the transmission gear, are arranged on the inner side of the fixed ring with the adjusting screw hole and are assembled in the screw hole of the fixed ring with the adjusting screw hole through a fastening nut.

The application relates to the technical field of animal model construction, in particular to a construction method and application of a spleen-kidney yang deficiency syndrome ovarian reserve function decline animal model. The construction method comprises the following steps: a model group animal is subjected to modeling by adopting the method of senna leaf water decoction gavage and hydrocortisone and cyclophosphamide injection, and a spleen-kidney yang deficiency syndrome ovarian reserve function decline animal model is obtained. In the application, the three of senna leaf, hydrocortisone and cyclophosphamide are used in synergy to administer the animal model, and the complex syndrome of the clinical spleen-kidney yang deficiency type DOR is accurately reproduced, and modern scientific basis is provided for the theories of traditional Chinese medicine such as the same treatment for different diseases.

This invention relates to the field of traditional Chinese medicine composition technology, and particularly to a method of using, preparing, and applying a traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from raw materials comprising a first component, a second component, a third component, and a fourth component: the first component comprises a mixture of raw oyster shell, prunella vulgaris, and fritillaria thunbergii; the second component comprises a mixture of angelica sinensis, scorpion, notoginseng, and cattail pollen; the third component comprises one or more of lindera strychnifolia, chuanxiong rhizome, cyperus rotundus, and corydalis yanhusuo; the fourth component comprises one or more of fenugreek, angelica dahurica, and fennel; the mass ratio of the first component to the second component is 1.3–2:1. This traditional Chinese medicine composition can not only significantly prevent and alleviate dysmenorrhea symptoms in patients with acute menstrual cramps (AM), but also improve other accompanying symptoms during menstruation in AM patients, such as heavy menstrual bleeding.

The application discloses a primer probe combination for detecting methylation of two sites of colorectal cancer and a kit thereof. The primer probe combination is a primer probe combination for detecting methylation of a cg08392199 site of a LIFR gene and a primer probe combination for detecting methylation of a cg13096260 site of a SDC2 gene; the methylation of the cg08392199 site of the LIFR gene and the cg13096260 site of the SDC2 gene is correlated with colorectal cancer. The kit comprises the primer probe combination. The application adopts combined detection of the two sites of SDC2 and LIFR for the first time, has innovation, and the sensitivity of combined detection of the two sites in the detection of colorectal cancer reaches 92%, and the specificity is as high as 100%, thereby providing a primer probe combination for early screening of colorectal cancer with high sensitivity and high specificity and a kit.

The application discloses a negative pressure type rapeseed precision seed sowing device based on Bernoulli principle and relates to the technical field of seed sowing equipment. The device comprises a shell, a seed cleaning scraper, an end cover, a roller, a vacuum generator and a pneumatic rotary joint. The end cover is installed at the side opening of the shell, the roller is arranged in the cavity formed by the end cover and the shell, the roller is rotationally connected with the shell and the end cover, the transmission shaft is connected with the roller in an interference fit, the vacuum generator and the pneumatic rotary joint are installed in the roller, the air inlet of the vacuum generator is connected with the pneumatic rotary joint, the air inlet of the pneumatic rotary joint is connected with the air outlet of the air pump, and the pneumatic rotary joint is connected to the inner wall of the roller. The seed suction hole is arranged on the barrel wall of the roller, the vacuum port of the vacuum generator is communicated with the seed suction hole, and the seed cleaning scraper is installed in the shell. The seed dropping hole is arranged below the seed cleaning scraper, and the seed dropping hole is arranged below the seed cleaning scraper. The upper surface of the shell is provided with a seed dropping hole. The application has the advantages of compact structure, small volume, low seed breakage rate and easy realization of precision sowing.

This invention discloses an optimal method for dual-protection text hiding, comprising the following steps: Step 1: Encrypting the carrier text using the SHA256 algorithm to generate a hash digest 'a'; Step 2: Embedding the secret information and hash digest 'a' into the three components of the carrier text's color pixel values ​​R, G, and B using an information hiding algorithm to form steganographic text; Step 3: Sending the steganographic text to a receiver; Step 4: The receiver receives the file, which is either steganographic text, legally modified steganographic text, or illegally tampered steganographic text; Step 5: The receiver extracts a hash digest 'b' from the file using the SHA256 hash algorithm; Step 6: Checking if hash digest 'b' is equal to hash digest 'a'. If they are not equal, it indicates that the secret information has been illegally tampered with; if they are equal, the receiver extracts the secret information. This invention combines hash encryption technology with text information hiding technology that minimizes pixel modification, thereby ensuring the integrity and security of the file during transmission to a greater extent.

This invention relates to animal models and their applications, specifically to a method for constructing a spontaneous mouse cerebral edema model and its application. This invention utilizes PEN2... fl / + Mice and PEN2 fl / + Mice were mated to obtain PEN2. fl / fl Homozygous mice; then the obtained PEN2 fl / fl Mice and hGFAP Cre / + Mice were mated to obtain PEN2. fl / + hGFAP Cre / + Mice; the final PEN2 obtained fl / + hGFAP Cre / + Mice and PEN2 fl / fl Mice were mated to obtain PEN2. fl / fl hGFAP Cre / + The mouse model is a spontaneous mouse cerebral edema model. In this model, PEN2 protein levels are significantly downregulated, and the mouse exhibits a severe cerebral edema phenotype. This model can be used to establish a cerebral edema drug screening platform. It can also be used for research on cerebral edema-related diseases, such as the pathogenesis of cerebral edema caused by infection, glioma, and traumatic brain injury, as well as for the development of technologies and products for the diagnosis and treatment of related diseases.

The invention relates to nano delivery, in particular to a photosensitive bionic drug delivery system as well as a preparation method and application thereof. The photosensitive bionic drug delivery system RSCP NPs is mainly composed of a core part and a shell part, wherein the shell is composed of a macrophage membrane RCP co-modified by fat targeting peptide P3 (CKGGRAKDC and a photosensitive supramolecular compound CHD (the compound is composed of DSPE-2-(4-hydroxyphenylazo)-benzoic acid-beta-cyclodextrin); an inner core is pH response type SEP NPs formed by self-assembly of a triblock amphiphilic polymer. The RSCP NPs has higher drug loading capacity, and can respond to multiple signals (inflammatory microenvironment, red light and pH) to regulate the capacity of gradual release of drugs and active targeting of WAT inflammatory areas, so that toxic and side effects caused by off-target effect of the drugs can be effectively reduced, and the effect of improving low-intensity inflammatory microenvironment of obese tissues is achieved.

The invention provides a method for treating rural domestic sewage by adopting heterotrophic nitrification-aerobic denitrification, and belongs to a sewage treatment technology. According to the method, the pichia pastoris is adopted for heterotrophic nitrification-aerobic denitrification treatment, synchronous nitrification and denitrification are realized, the denitrification efficiency is improved, and the construction and operation cost is reduced. The problems of efficient treatment of rural domestic sewage and reduction of water eutrophication are solved. According to the treatment scheme provided by the invention, the effluent quality is stable and reaches the standard, the use of chemical agents can be effectively reduced, the sludge yield is reduced, energy is saved, consumption is reduced, seasonal water quality fluctuation is adapted, and the system stability and reliability are improved.

The invention provides a rhinitis treatment method based on viscera meridian regulation, relates to the technical field of rhinitis treatment, and is characterized by comprising a moxibustion method, a fumigation method, a massage method and an application method. According to the moxibustion method, the Shenque acupoint is subjected to moxibustion by adopting hanging pot moxibustion or stale moxibustion, and the characteristic that the Ren meridian acupoint is communicated with the internal organs is utilized. The traditional Chinese medicine composition has the advantages that overall conditioning is achieved from the function of internal organs, local symptoms and the whole body state are considered, and the limitation of a single therapy is broken through; pure traditional Chinese medicines are combined with physical therapy, safety is high, and side effects of chemical medicines are avoided; clinical observation shows that the curative effect is remarkable, nasal obstruction, running nose, sneezing and other symptoms of a patient are obviously relieved, and the living quality is effectively improved; the operation process is clear and standard, and is easy to popularize and apply in community hospitals, traditional Chinese medicine clinics and family health care; the concept of'Huangdi internal acupuncture 'is combined with the modern traditional Chinese medicine external treatment method for the first time, and a systematized rhinitis conditioning system is constructed.

The application provides a Bi2O2CO3-MIL-68(In) heterojunction composite material and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials, the field of persulfate catalysis and the field of environmental governance. The composite material is obtained by loading Bi2O2CO3 on the surface of MIL-68(In) to form a Z-type heterojunction structure; the Bi2O2CO3 is a spherical body with a diameter of 200-500 nm, and the surface is a stacked granular structure; the MIL-68(In) is a regular hexahedral rhombic rod-shaped structure with a particle size of 5-10 mu m, and the Bi2O2CO3 is dispersedly loaded on the surface of the MIL-68(In). The application has the advantages of simple operation, strong visible light absorption capacity of the heterojunction material, stable photocatalytic performance, high degradation efficiency and the like, and has a potential application prospect in the field of photocatalytic persulfate.

This invention discloses a method and system for detecting moisture in soft capsules. Based on water activity, the method improves efficiency and quality by detecting the moisture content of soft capsules. The method includes: selecting a water activity meter; selecting capsules of the same mass as the sample to be tested as the test object, with the quantity being the sample size recommended in the water activity meter's instruction manual; controlling the environmental conditions between the laboratory and the workshop control room; determining the detection time T for the relative humidity of intact capsules to reach equilibrium; during the capsule drying process, sampling capsules at different drying degrees and simultaneously detecting the moisture and water activity values ​​of the samples using a halogen moisture meter and a water activity meter; collecting data from several batches of capsules and obtaining a data model for moisture and water activity values ​​through fitting; calculating the acceptable water activity range for the soft capsules and using this acceptable water activity range as the judgment standard for the sample to be tested.

The invention discloses a sulfonylation method of halogenated quinoline and aryl sulfonyl hydrazide, which is characterized in that a halogenated quinoline compound and aryl sulfonyl hydrazide are subjected to sulfonylation reaction in a solvent to obtain a target compound. The invention provides a simple method for the composition of the sulfonylquinoline without adding any catalyst and additive, and the method is green and environment-friendly, the reaction conditions are simpler and milder, and the method has the characteristics of simple post-treatment, green steps, low pollution, high economic benefit and the like.

This invention belongs to the field of engine turbocharger testing technology and discloses a method and system for evaluating the transient response of engine turbochargers. The method includes: test preparation, operating condition setting, transient excitation and data acquisition, calculation of speed increment time, calculation of intake pressure to establish efficiency indicators, and two-dimensional diagnostic evaluation. This invention effectively solves the technical problem that existing evaluation parameters cannot distinguish the root cause of response lag, and has advantages such as accurate positioning and strong guidance. It is particularly suitable for the research and optimization of turbocharger systems with stringent transient response requirements, such as hydrogen fuel cell internal combustion engines.

This application discloses a hydrogel composition, its preparation method, and its applications, relating to the fields of regenerative medicine and biomedical materials technology. The hydrogel composition comprises o-nitrobenzyl alcohol-modified tetra-arm polyethylene glycol and methacrylated hyaluronic acid. The hydrogel composition provided in this application addresses the problems in related technologies that rely on tissue flaps or prostheses for repair, such as large trauma, easy foreign body reaction, asymmetrical shape, unnatural feel, and the inability of tissue engineering materials to be rapidly molded intraoperatively, requiring secondary surgery.