31results about How to "Guaranteed output" patented technology

The invention discloses a high-precision curved block temperature measurement sensor, and particularly relates to the technical field of temperature sensors, and the sensor comprises a stainless steel housing which is used for protecting internal elements of the sensor from external environment interference and mechanical damage; the temperature measuring resistor is arranged in the stainless steel shell and is used for directly measuring the temperature of a curved center in the curved block; the heat-conducting glue is filled between the temperature measuring resistor and the stainless steel shell to ensure the high efficiency of heat conduction in the temperature measuring resistor and the curved block; the heat insulation cotton wraps a specific area outside the stainless steel shell to reduce the interference of the external environment temperature on the measurement result of the temperature measurement resistor; the stainless steel shell is internally coated with the copper and aluminum powder compound, and the copper and aluminum powder compound is used for improving the thermal response speed and temperature measurement precision of the sensor. The internal curved center temperature of a curved block is directly measured through the built-in high-precision temperature measurement resistor, and the temperature measurement precision is within + / -0.1 DEG C; the problem that in the prior art, a temperature measurement object deviates from the core, and the curve center temperature cannot be directly monitored is effectively solved.

The utility model discloses a control system for a wet-method pulverizing production line, which relates to the technical field of mechanical pulverizing equipment and comprises an industrial personal computer and an industrial router connected with the industrial personal computer through Ethernet communication. The jaw crusher control component, the cone crusher control component, the transfer stock bin control component, the double-roller flour mill control component, the vibrating screen control component, the separating tower control component, the magnetic separator control component, the second dewatering screen control component and the first conveying belt control component are connected with the industrial router through Ethernet communication. A first conveying belt control component, a second conveying belt control component, a third conveying belt control component, a fourth conveying belt control component, a first conveying pump control component and a water spraying device control component; the device has the characteristics that the device is convenient to operate and control, one-key start, one-key stop and one-key sudden stop of the whole line can be realized, and the operation data of the whole line can be automatically stored; the device is matched with a wet-method pulverizing production line and is suitable for preparing mineral powder such as quartz sand powder, dolomite powder and calcium carbonate powder.

The utility model provides an edible mushroom strain inoculator convenient for counting, which relates to the technical field of edible mushroom production and comprises an inoculation component, a tightening mechanism, a clamping piece and a supporting piece, the inoculation assembly comprises a strain storage cavity with a cylindrical appearance; according to the utility model, the clamping piece is arranged, and the clamping piece comprises the clamping plate; the clamping plates can be tightened through a specific tightening mechanism, so that the cultivation bag material can be stably clamped between the two groups of clamping plates; the slip phenomenon caused by sliding of cultivation bag materials or other unstable factors in the inoculation process can be effectively avoided, then it is ensured that inoculation operation can be accurately carried out on the cultivation bag materials, and the accuracy and reliability of inoculation work are greatly improved; the problems that most of existing strain inoculators are of a handheld structure, slipping possibly occurs when cylindrical cultivation bag materials are inoculated, and therefore inoculation work cannot be stably carried out are solved; and in addition, a strain receiver cannot count inoculation, so that the fruiting quality and yield can be influenced.

The utility model discloses a kind of anti-lodging devices for rice seedling, it is related to rice seedling technical field, including main rod and insertion rod, wherein, two vertical depositing grooves are set up on main rod, a group of equidistance T-shaped sliding slots are set up on the groove wall of each depositing groove, sliding strip is placed in each depositing groove, the middle part of insertion rod is fixed with baffle disc, four ring type arrays of insertion slot are set up on baffle disc, guide rail is fixed in the slot opening of each insertion slot, each guide rail is fixed with sleeve ring, each sleeve ring is movably sleeved with outer expansion rod, the face of sliding strip towards T-shaped sliding slot is fixed with a group of equidistance T-shaped clamping blocks, and elastic net can limit rice plant in safety range in time, effectively prevent lodging, provide sustained, efficient support protection for normal growth of rice, significantly improve the anti-lodging capacity of rice under adverse weather, guarantee rice yield.

The invention provides a tree chip ejecting mechanism which is arranged on a rubber tapping machine body and comprises a tool bit driving part and a tool rest assembly. The tool bit driving part is provided with an elastic energy storage device, and the tool bit driving part slides to extrude the elastic energy storage device to store elastic potential energy; the tool rest assembly comprises a tool bar and a tool bit, and one end of the tool bar is movably connected with the tool bit. Wherein the elastic energy storage device and the cutter bar are correspondingly arranged, and after rubber tapping operation is completed, the cutter bar is impacted by releasing pre-stored elastic potential energy, so that the cutter head shakes to pop out attached tree chips. The rubber tapping tool bit cleaning device solves the problem of how to quickly clean the rubber tapping tool bit after rubber tapping every time so that the tool bit can be accurately attached to a tree trunk in the subsequent rubber tapping process.

This invention belongs to the field of biochemistry technology, and relates to a near-infrared chemiluminescent probe responsive to tau protein, its preparation method, and its application. The preparation method of the near-infrared chemiluminescent probe includes the following steps: adding compound (I), compound (II), a catalyst, and an alkaline additive to a first solvent for reaction to obtain compound (III); adding compound (III), compound (IV), and piperidine to a second solvent for reaction to obtain compound (V); adding compound (V) and trifluoroacetic acid to a third solvent for reaction to obtain compound (VI); and adding compound (VI), compound (VII), and an acid compound to a fourth solvent for reaction to obtain the near-infrared chemiluminescent probe. The chemiluminescent probe of this invention exhibits high selectivity and efficient chemiluminescence capability, providing a promising tool for the diagnosis of Alzheimer's disease (AD). Its structural formula is: [Insert structural formula here].

This invention provides a resource optimization allocation method and system for environmental control in the industrialized cultivation of Ganoderma lucidum. By dividing the industrialized cultivation cycle of Ganoderma lucidum into stages and determining the environmental parameter thresholds for each stage, the growth characteristics of each stage are accurately matched, providing a quantifiable basis for environmental judgment. Based on historical Ganoderma lucidum cultivation data, a correlation model is established between environmental parameter deviations and resource adjustment amounts at each stage to ensure the rationalization of resource supply. By collecting real-time environmental parameters of industrialized Ganoderma lucidum cultivation, the deviation between the real-time environmental parameters and the environmental parameter thresholds of the current stage is determined, and the resource optimization parameters corresponding to the deviation values ​​are determined based on the correlation model, enabling timely resource control. By operating according to the resource optimization parameters and iteratively adjusting during the operation until the real-time environmental parameters meet the standards, the environmental parameters at each stage throughout the entire cultivation cycle are ensured to remain within the threshold range.

The application discloses a method for instant sensing and early warning of inorganic salt impurity content in urea, comprising: calibration reference database, including: pure urea solution density-temperature-concentration reference curve and data table calibration, typical inorganic salt impurity conductivity characteristic calibration and mixed urea solution conductivity-impurity content mapping relationship calibration; real-time acquisition of field data; calculation of inorganic salt impurity static content, including: calculation of total inorganic salt impurity concentration in the current urea solution; combined with urea dissolving tank geometric parameters and real-time liquid level data of the urea dissolving tank, the total mass of the inorganic salt impurity in the dissolving tank is calculated; dynamic calculation of impurity increment per unit time, based on multiple groups of static impurity mass data collected in continuous time sequence, the increase of the inorganic salt impurity in the urea dissolving system per unit time is calculated; dynamic calibration based on historical data; hierarchical early warning and interlocking control. Corresponding systems, electronic devices and computer readable storage media are also disclosed.

The utility model relates to the related technical field of a ribbon lap machine, in particular to a rolling scraper, which comprises a compression roller arranged on the ribbon lap machine and used for rolling or compacting cotton fabrics, a fixing frame arranged on one side of the compression roller and a scraper detachably arranged on the fixing frame, and further comprises a felt roll arranged outside the scraper in a wrapping manner, the friction plate is used for friction cleaning of cotton wax attached to the outer surface of the compression roller cylinder; the driving assembly comprises a mounting plate correspondingly arranged on the fixing frame and a rotating cylinder rotationally arranged in the mounting plate and connected with one end of the scraper, the rotating cylinder is rotated, the felt roll is driven to move towards one side through friction between the rotating cylinder and the felt roll, and the felt roll is driven to move towards the other side through friction between the rotating cylinder and the scraper. And the tapestry roll moves at the position, used for scraping cotton wax, on the scraper. According to the cotton wax cleaning device, cotton wax attached to the compression roller drum can be effectively cleaned synchronously after the compression roller drum rolls up or compacts a cotton textile fabric, and the cleaning effect on the compression roller drum is improved.

The invention relates to a knife device (10) for at least partially separating fish fillets (12) from deheaded slaughtered fish (11) having an open abdominal cavity (13), comprising: a transport device (21) having at least one transport element (22) for transporting the fish (11) in a transport plane (23) in a transport direction (24) with the tail (46) facing forward; at least one blade unit (25) which is arranged in the transport direction (24) and is designed for at least partially penetrating into the transport plane (23), the blade unit (25) comprising a blade (26) and a corresponding blade bearing support (27) which is spring-loaded by means of at least one spring element (28), the blade unit (25) being designed and adapted for at least partially penetrating into the transport plane (23) under a yield counter-pressure of the spine (14). The invention relates to a blade arrangement (10) for at least partially peeling and separating a fish fillet (12) from a rib (20) surrounding a belly cavity (13), characterized in that the blade arrangement (10) comprises an adjustment device (29) connected to a blade unit (25), in which the adjustment device (29) is configured and adapted to at least partially pivot a blade (26) around at least one pivot axis (30, 31) clockwise or counterclockwise (32, 33). The invention further relates to a corresponding device and to a corresponding method for separating fillets (12) from fish (11).

The utility model relates to the technical field of monitoring devices, in particular to a pest and disease prediction and early warning monitoring device. According to the technical scheme, the device comprises a box body, a guide through groove is formed in one side of the box body, a set of sliding rails are fixedly arranged in the guide through groove, and a pasting assembly used for pasting diseases and pests is slidably arranged between the sliding rails; the air collecting hopper is arranged on the bottom face of the box body in a communicating mode, a supporting frame is fixedly arranged on the inner wall of the air collecting hopper, and a trap lamp is fixedly connected to the supporting frame in a sleeving mode; the supporting frame penetrates through the upper surface of the box body, a support is fixedly arranged on the inner wall of the supporting frame, a motor is fixedly arranged on one side of the support, and fan blades are fixedly arranged at the output end of the motor; a monitoring assembly used for monitoring the pasting assembly is fixedly arranged on one side of the box body. When the red leaf sorghum is not substantially gnawed and damaged by diseases and pests, the disease and pest damage can be found in time, so that the damage degree of the sorghum in the growth process is effectively reduced, and the yield and the quality of the sorghum are guaranteed.

The invention discloses a preparation method and application of a hypochlorite photoelectrochemical sensing platform, and belongs to the technical field of analytical chemistry. According to the preparation process, adopted raw materials are easy to obtain, and reaction conditions are mild and easy to control. The sensing platform is designed and synthesized based on phenothiazine-chromone photosensitive micromolecules as a photosensitizer, and photoelectrochemical (PEC) sensing is realized. The sensing platform has the characteristics of high specificity, high sensitivity and easiness in preparation, quantitative photoelectrochemical signals of pypocholoride can be realized, and the PEC detection electrode is 1.64 nM.

This application relates to a drying apparatus for biomass pellet production and processing, belonging to the field of biomass pellet production technology. It includes a drying chamber, with a hot air mechanism installed on the top wall inside the drying chamber. A screen is installed below the hot air mechanism, and a waste box is installed below the screen. A mounting bracket is provided between the hot air mechanism and the screen, and a rotating component is mounted on the mounting bracket. A material-pushing plate is sleeved on the peripheral wall of the output shaft of the rotating component. This application effectively improves the problem of biomass pellets easily getting stuck in the screen mesh during the drying process.

The present application relates to a kind of for aromatic hydrocarbon combined plant adsorption separation unit extract partition wall rectification system, including partition wall rectification tower, toluene separation flow path, p-xylene separation flow path and p-diethylbenzene separation flow path;Partition wall rectification tower includes the partition wall being arranged in tower interior, one end of partition wall is fixed in tower bottom, the other end of partition wall extends upwards and is kept a certain distance from tower top, and partition wall separates the space in tower interior into first separation chamber and second separation chamber being arranged left and right, and common rectification chamber being located above partition wall, first separation chamber, second separation chamber and common rectification chamber are in fluid communication;Toluene separation flow path is connected with the top of common rectification chamber;P-diethylbenzene separation flow path is connected with the bottom of first separation chamber;P-xylene separation flow path is connected with the bottom of second separation chamber.Compared with double-tower rectification process, investment is greatly reduced, tower top gas cooling load is less, system waste heat is fully recycled, energy consumption and cost are reduced, and economic benefit is generated.

The yarn storage frame of the sizing and dyeing combination machine comprises a frame body, a mounting frame is arranged on the lower side of the interior of the frame body, the upper end of the frame body and the upper end of the mounting frame are rotationally connected with a first conveying roller and a second conveying roller correspondingly, and the yarn storage frame further comprises an adjusting mechanism and a protection mechanism; the adjusting mechanism comprises connecting rods, gears and rack plates, the rack plates are arranged at the four corners in the frame body respectively, the connecting rods are arranged on the upper side of the mounting frame, the gears are arranged on the left sides and the right sides of the outer arc faces of the two sets of connecting rods, and the four sets of gears are connected with the longitudinally adjacent rack plates in an engaged mode respectively; the protection mechanism is arranged at the upper end of the frame body and further comprises a controller, the controller is located outside the frame body, the input end of the controller is electrically connected with an external power source, the yarn storage frame of the sizing and dyeing combination machine solves the problem of slow sinking caused by sudden internal leakage of an oil cylinder, good protection is provided for equipment and an operator, and the service life of the yarn storage frame is prolonged. And the quality and the yield of products are also ensured.

The invention belongs to the technical field of soil improvement, and relates to a planting method combining protective tillage with organic fertilizer application. The invention provides a planting method combining protective tillage with organic fertilizer application, which comprises the following steps: performing deep scarification before sowing, then applying modified starch, a microbial organic compound fertilizer and a nitrogen-phosphorus-potassium ternary compound fertilizer, and finally sowing crops, the modified starch is phosphorylated distarch phosphate or acetylated distarch phosphate; the effective viable count in the microbial organic compound fertilizer is more than or equal to 5 billion / g, and the organic matter content is more than or equal to 60%. According to the method, the influence of different cultivation modes and different auxiliary additives on the soil organic matter content and nutrient circulation is explored. In this way, the organic matter content of the soil can be protected and increased, and the fertility and stress resistance of the soil are enhanced.

The application discloses a corn nitrogen reduction and biochar effect time sequence dynamic characteristic evaluation method, first, different combinations are set, chlorophyll fluorescence parameters, crown layer spectral reflectance and yield data of corn at key growth stages such as jointing stage and big bell mouth stage are collected; second, the spectral data is preprocessed, single time phase red edge characteristics are calculated, and time sequence dynamic characteristics are constructed, biochar sensitive wave bands are screened through reflectance difference percentage during growth, red edge index is designed, and fluorescence weight spectral index is constructed in combination with wide band vegetation index; then, the data is integrated to construct a multi-time phase spectral characteristic data set, a time sequence dynamic chlorophyll inversion model containing dynamic inversion, yield prediction and attribution branches is built, the former outputs chlorophyll and photosynthetic code vector at the grain filling stage, and the latter predicts yield and related parameter contribution; finally, the model is trained, the optimal matching is obtained based on the trained model, and support is provided for corn planting and fertilization decision-making.

The application discloses an application of a small-molecule compound in preventing and treating plant RNA virus infection and belongs to the technical field of biotechnology. 2'-amino-2'-deoxyguanosine (ADG) is applied as the only antiviral active ingredient in plant RNA virus prevention for the first time, only a low concentration of 250 muM is needed, and a simple exogenous spraying method can achieve the broad-spectrum inhibition of various plant RNA viruses such as turnip mosaic virus (TuMV), tomato mosaic virus (ToMV) and tobacco mosaic virus (TMV), and after spraying, the normal growth of plants is not affected, the risk of drug damage is completely avoided, the safety, high efficiency and broad spectrum of plant RNA virus prevention are significantly improved, and the application has important practical application significance for guaranteeing the yield and quality of crops in agricultural production and promoting the green transformation of agriculture.

The application provides a flour mill, a rolling distance adjusting mechanism and a rolling distance adjusting method. The rolling distance adjusting mechanism comprises a power component, an adjusting shaft, an adjusting arm and a control device. The adjusting shaft is connected with the power component through a transmission member and rotates under the drive of the power component. One end of the adjusting arm is axially and slidably installed on the adjusting shaft, and the other end of the adjusting arm is installed on one of the two rollers, so that the two rollers are pushed close to or away from each other when the adjusting shaft rotates. The control device is used for controlling the power component to drive the adjusting shaft to rotate. The rolling distance adjusting mechanism realizes automatic adjustment of the rolling distance, reduces the working strength of the operator, improves the working efficiency, has high accuracy of rolling distance adjustment, and further ensures the yield and quality of the ground agricultural products.

The application belongs to the technical field of pesticides, and particularly relates to a kind of insecticidal composition for preventing and treating tobacco budworms. The effective component of the insecticidal composition is compounded by sulfoxaflor, flupyradifurone, spinetoram or chromafenozide. The application compounds sulfoxaflor with existing insecticidal components, and screens out a suitable compound formula. Within a certain mass ratio range, the insecticidal composition shows a synergistic effect on tobacco budworms, and can provide support for developing alternative pesticides for preventing and treating tobacco budworms.

This utility model discloses an NPK compound fertilizer production line, belonging to the field of compound fertilizer technology. It includes a tail gas treatment device, a hydrochloric acid recovery device, a reaction vessel, a mixed acid tank, a mixed acid storage tank, a tubular reactor, a flash tank, a slurry storage tank, a granulation device, a screening device, and a cooling device. The reaction vessel, mixed acid tank, mixed acid storage tank, tubular reactor, flash tank, slurry storage tank, and granulation device are connected sequentially via pipelines. The tail gas outlet of the reaction vessel is connected to the hydrochloric acid recovery device via a pipeline. The tail gas outlets of the granulation device and the cooling device are both connected to the tail gas treatment device via pipelines. The granulation device, screening device, and cooling device are connected sequentially. The washing liquid outlet of the tail gas treatment device is connected to the inlet of the flash tank via a pipeline. The tail gas outlet of the flash tank is connected to the tail gas treatment device via a pipeline. The granulation device is a spray granulator, and the tubular reactor is a pressure reactor.

The invention provides a recombinant cell construction and function verification system, which belongs to the technical field of biomedical engineering, and mainly comprises a reactor array, a material supplementing module, a sampling module, a detection module and a control unit, according to the system, by establishing an automatic feedback mechanism of online sampling, real-time detection and closed-loop feeding, the post-translational modification state of a recombinant cell can be obtained, accurate dynamic regulation and control of key quality attributes of target protein are achieved, and the culture efficiency and the sampling amount of a sampling module are remarkably improved through a reactor array, so that the quality of the target protein is improved. The yield and the quality stability of the complex recombinant protein are ensured.

The invention relates to an orchard disease and insect pest prescription map construction method based on a species migration rule. The method comprises the following steps: step 1, selecting sample points; 2, acquiring environmental parameter data; 3, establishing a diffusion model; 4, constructing an infection degree prediction map; and 5, constructing a prescription map. According to the method, migration rules of different diseases and insect pests under different temperature, humidity, wind speed and wind direction conditions are analyzed, a mathematical model and a data analysis technology are combined, and an effective prescription map is constructed.

The utility model relates to a greenhouse technical field especially relates to a kind of photovoltaic light-heat collaborative water circulation heat storage systems for plateau greenhouse, it include: pedestal, the pedestal top middle part is equipped with sunken groove, the sunken groove middle part is provided with heat storage pond, the sunken groove top rear side is fixedly connected with heat preservation wallboard, the heat preservation wallboard top is fixedly connected with heat preservation inclined roof, the heat preservation inclined roof is provided with light-transmitting framework between sunken groove front end, the top of the heat preservation inclined roof is fixedly installed with photovoltaic board, the back of the photovoltaic board is provided with heat recovery component, the front end of the heat preservation wallboard is evenly fixedly installed with a plurality of water storage bags, the heat recovered by heat recovery component is stored in the water in a plurality of water storage bags, when temperature is lower than the set threshold at night, hot water in water storage bag is injected into heat storage pond, the utility model provides a kind of photovoltaic light-heat collaborative water circulation heat storage systems for extending the growth cycle of agricultural operation.

This utility model discloses a sealing cap for edible mushroom spawn, comprising a sealing cap body and a retaining plate. The bottom surface of the sealing cap body has grooves around its perimeter. A return spring is fixedly installed on one side of the groove surface, and a connecting plate is fixedly installed on one side of the return spring surface. A limiting plate is fixedly installed on one side of the connecting plate surface, and a rotating plate is movably connected to one side of the limiting plate surface. Bearings are rotatably connected to both sides of the rotating plate surface. The retaining plate is fixedly engaged with one side of the bearing surface, and a sealing rubber gasket is provided on one side of the retaining plate surface. A retaining ring is fixedly installed on the upper surface of the retaining plate. This sealing cap effectively drives the retaining ring to tightly clamp the edible mushroom spawn, achieving a sealing effect. This allows the sealing cap to adapt to mushroom spawn of different shapes and sizes, achieving a good seal regardless of the diameter or shape of the spawn. This reduces the cost for producers to purchase multiple sealing caps to fit different spawn, thus lowering production input.

The utility model relates to the technical field of powder metallurgy forming pressurization, and discloses a powder metallurgy forming pressurization device which comprises supporting legs, a base fixedly connected with the upper sides of the supporting legs, a lifting sleeve fixedly connected with the upper surface of the base, and a piston rod in sealed sliding connection with the interior of the lifting sleeve. The upper side of the lifting sleeve is fixedly connected with a pressing table, the outer wall of a piston rod is fixedly connected with a balance weight table and a lifting table, a die-casting mechanism is arranged on the inner side of the lifting table, a pressurizing auxiliary mechanism is arranged on the upper side of the base, the die-casting mechanism comprises a sliding frame, the sliding frame is fixedly connected to the upper surface of the base, and one side of the base is fixedly connected with an electric push rod. The pressurizing auxiliary mechanism is used for die-casting and auxiliary die-casting, metal powder die-casting can be more compact, meanwhile, the situation that when a pressure head is pulled out, the internal pressure of a pressure cavity is unbalanced, and a finished product is affected can be avoided, the die-casting mechanism is used for downwards pressing the metal powder, the yield can be conveniently guaranteed, and meanwhile the die-casting quality can be improved compared with a traditional device.

The invention belongs to the technical field of microbial agents, and provides a methyl nutrition complex microbial inoculant and an application thereof in rice methane emission reduction, and the complex microbial inoculant comprises facultative methylobacterium, sphingobacterium, escherichia coli, variovorax, flavobacterium, sphingolipid, pseudoyellow microbacterium, Knoobrucella, sedimentary bacillus and terranean bacillus. The complex microbial inoculant disclosed by the invention can effectively reduce methane emission in rice planting, and has the functions of reducing emission, improving efficiency and promoting stable yield.

The application relates to a D9 mutant protein and application thereof in regulating plant height, prolonging flowering period and maintaining grain yield, and belongs to the technical field of plant gene breeding. The D9 mutant protein is obtained by mutating glycine at the 571th position of D9 protein into valine, and the amino acid sequence is shown as SEQ ID NO. 1. The application finds that the key amino acid site G571 in the GRAS domain of the D9 protein affects the D9-GID1 interaction, predicts and verifies that the G571V mutation at the amino acid site has the functions of dwarfing the plant, moderately prolonging the flowering period and not reducing the grain yield of the plant, thereby providing a solid theoretical basis for the research and development of a dwarfing and non-reducing yield type corn variety.

The invention discloses a high-yield and high-efficiency seeding mechanical device for soybean large-ridge cultivation, which structurally comprises a frame, a ditching piece, a telescopic rod, a storage tank, a discharge guide piece, an intercommunication groove, a control device and a compaction roller. Then the seeds are transferred into a storage tank through an intercommunicating groove by a discharging guide piece, a push plate and a push rod are matched with each other to push the soybean seeds in the storage tank downwards, and the soybean seeds are dispersed towards the two sides along with the push plate under the action of a stirring guide plate, so that the soybean seeds can be quickly and downwards distributed into a material control assembly; soybean seeds are uniformly sown in corresponding holes of soil through the two material control assemblies, and then the soil is compacted through the compaction roller, so that the seeds are effectively covered in the soil.

This invention relates to the field of plant genetic engineering, and specifically discloses a rice heat tolerance regulatory gene. SRO1a And its applications. The aforementioned SRO1a The wild-type of the gene, as shown in SEQ ID NO: 1, encodes a protein that negatively regulates heat tolerance in rice. This invention also provides... SRO1a The mutant gene, whose gDNA sequence is shown in SEQ ID NO: 2, is derived from the wild-type gene. SRO1a A single-base substitution G2128A occurs in the third intron, resulting in the insertion of 288 bp and 96 bp intron sequences into the transcript, forming the CDS sequences shown in SEQ ID NO: 4 and SEQ ID NO: 5, respectively. Experiments show that knocking out the wild-type... SRO1a The gene can significantly reduce the accumulation of reactive oxygen species in rice cells and improve the survival rate of rice under high temperature stress. This invention provides a new gene resource for the genetic improvement of rice heat tolerance and has important breeding application value.