193 results about "Heat stress" patented technology

The invention belongs to the technical field of biology, and particularly relates to application of serine in relieving heat stress of pleurotus ostreatus and a method. Under the heat stress condition, exogenous serine supply promotes pleurotus ostreatus hypha to recover growth, and the activity of antioxidant enzyme, the yield of sporocarp and the yield of nutrient substances are improved; when the activity of the PHGDH enzyme is inhibited, the serine synthesis is reduced; the hypha growth can be promoted by overexpressing the phgdh, and the enzymatic activity of the PHGDH can be improved; when acetyltransferases HAT, NAT1, NAT2 and NAT3 act on a K394 site of the PHGDH, the enzyme activity of the PHGDH can be improved, endogenous serine metabolism is activated to respond to heat stress, it is indicated that PHGDH-mediated serine metabolism plays an important role in corresponding heat stress of the pleurotus ostreatus, and the invention discloses a mechanism for improving heat resistance of the pleurotus ostreatus through the PHGDH-mediated serine metabolism. And a foundation can be laid for breeding high-temperature-resistant pleurotus ostreatus dominant strains.

The invention discloses a heat exchange system applied to fused salt energy storage and heat supply and an operation method of the heat exchange system, and particularly relates to the field of fused salt energy storage and heat supply. S2, starting of a high-temperature loop is completed through starting of a thermal medium loop, starting of a circulating pump, flow adjustment and pressure correction of a buffer tank; s3, starting the molten salt loop and controlling the temperature, regulating the opening degree based on a formula to stabilize the flow of the high-temperature loop, synchronously controlling the total flow of the circulating pump, and judging that the loop is started when the flow, molten salt outlet temperature and pump pressure stable conditions are met; an intermediate medium of the heat exchange system is in a liquid state and is driven by the circulating pump, and operation reliability and economical efficiency are higher than those of a gaseous medium; the heat exchange system can be suitable for heat exchange with the temperature difference larger than 500 DEG C, and heat stress safety and medium safety of the heat exchanger can be guaranteed; the investment cost of the pump is reduced by reducing the design temperature of the circulating pump.

The invention discloses an aluminum-copper composite strip and a preparation method thereof, the strip comprises a copper alloy layer, an aluminum material layer and an intermetallic compound layer, the aluminum material layer is embedded in the copper alloy layer, the intermetallic compound layer is located between the copper alloy layer and the aluminum material layer, the copper alloy layer is a precipitation strengthening type copper-nickel alloy, and the intermetallic compound layer is an aluminum alloy layer. The average particle size of second-phase particles in the copper alloy layer is smaller than or equal to 20 nm, the intermetallic compound layer is composed of a first diffusion layer and a second diffusion layer which are stacked, the first diffusion layer contains a Cu9Al4 intermetallic compound, the second diffusion layer contains a CuAl2 intermetallic compound, and the thickness of the second diffusion layer is smaller than or equal to 2 microns. The preparation method of the strip comprises the technological processes of grooving, surface cleaning, composite rolling, intermediate annealing, cold rolling, annealing before forming, splitting and packaging. The strip achieves good matching of strength, conductivity, heat stress relaxation resistance and bending performance, and is suitable for occasions with high requirements for comprehensive performance of materials, such as automobile wire harness connecting terminals and the like.

The utility model discloses a kind of steel wire surface coating machines, belong to coating machine technical field, including box, the front end surface of box is rotatably provided with swing door, surface of swing door is through and is provided with air hole, the inside fixed setting of air hole has first filter screen, the left side top of box is fixedly installed with control panel, the inside of box is sequentially provided with coating cavity, heat treatment cavity and cold treatment cavity from left to right by multiple partition plates, second guide hole is communicated and is opened between coating cavity and heat treatment cavity.The utility model through the structural design of first filter screen, air hole, second filter screen, through slot, fan, support plate, third filter screen, fixed cavity, air pump, pipe, spray head, air inlet, heating block, fourth filter screen and air outlet, can be realized to be convenient for steel wire to be heated and dried, it can be realized to be convenient for steel wire after heat drying treatment to be cold treated simultaneously, so heat stress can be eliminated, and then the overall quality and durability of coating are improved.

A method includes receiving a first personal registration indicating a first responsibility position of a first person, the first personal registration further indicating a first device ID; receiving a first trigger signal including first heat data identifying a first heat index; determining that the first heat index exceeds a first predetermined threshold; determining the first device ID, at least in part based on the first responsibility position; and performing a first notification, at least in part based on the first device ID.

The application discloses a kind of processing methods of Pina satellite propulsion system storage tank, comprising the following steps: S1, pre-simulation optimization before processing: based on the three-dimensional model of storage tank, heat stress distribution in SLM printing process is simulated by finite element simulation, printing direction and support structure layout are optimized, and additional post-processing removable auxiliary support is added;S2, layering precision printing: using TC4 titanium alloy powder, through SLM equipment, for the cavity wall area and internal mesh support area of storage tank, respectively set different printing process parameters;S3, directional post-processing: first, high-pressure water washing is used to remove residual powder and auxiliary support, then precision grinding is carried out on the double-cavity isolation surface inside the storage tank, and finally, quality detection is carried out on the formed storage tank.The application effectively solves the problems of low forming precision, weak connection strength and poor sealing of small-sized and complex internal cavity storage tank, and the formed storage tank has high precision, reliable sealing, excellent temperature difference cycle performance.

The invention provides an electro-thermal-magnetic-force coupling field finite element simulation life prediction method for a board-level electronic packaging device, relates to the field of electronic packaging reliability analysis and finite element simulation, and aims to solve the problems that life prediction depends on single / partial field coupling, neglects the influence of electromagnetic force and magnetic field, lacks a multi-field transmission mechanism, and cannot predict the life of the board-level electronic packaging device. Therefore, the problems of large prediction deviation and incapability of realizing full-field coupling are solved. According to the method, a real welding spot model is firstly built and repaired, a board-level packaging three-dimensional structure subdivision grid is constructed, electromagnetic force and additional heat are obtained through electro-magnetic coupling, heat-force coupling loading is input to calculate heat stress, at least two fatigue models are substituted, and the service life of a key welding spot is calculated. Electro-thermal-magnetic-force full-coupling simulation is achieved, life prediction precision is improved through multi-model fusion, multi-package and multi-load adaptation is achieved, a reliable basis is provided for electronic package design, the test period is shortened, the experiment cost is reduced, and development of package reliability research towards multi-field life prediction is promoted.

The utility model discloses an automatic door seal welding die, which comprises an upper die, a lower die I and a lower die II, the lower die II is connected with the lower die I through a fixing seat, the upper die is clamped at the upper end of the lower die I and the upper end of the lower die II, one end face of the lower die is provided with a placing groove, the outer wall of a heat conduction box is fixedly connected with two groups of connecting pipes, and the two groups of connecting pipes are connected with the fixing seat. The two ends of the piston communicate with the interior of the heat conduction cavity, and a driving mechanism for driving the piston to move is installed in the heat conduction box. Through meshing transmission of the rack and the gear of the upper die and linkage of the threaded rod, the sliding block and the piston, the upper die automatically drives a thermal medium to circulate in the opening and closing process, the thermal medium heated by the electric heating wire is pushed by the piston and enters the heat conduction cavity through the connecting pipe, automatic heat supplement is achieved, frequent manual starting of the heating device is avoided during massive welding operation, and the production efficiency is improved. The problem of heat stress concentration caused by repeated heating of a traditional mold is effectively solved, and the risks of cracks and deformation of the mold are remarkably reduced.

The invention provides a breeding house automatic control ventilation system and a breeding house, the breeding house automatic control ventilation system comprises an air bellow and a control module, the air bellow is arranged in the upper space of the breeding house and is provided with a first air port and a second air port, the first air port is arranged in the side wall of the air bellow and is used for blowing air in the direction away from animals, and the second air port is arranged in the side wall of the air bellow; the second air opening is formed in the bottom wall of the air bellow and can blow air towards the animal body surfaces in the breeding house; the control module is in communication connection with the air bellow and can control opening or closing of the first air opening and the second air opening based on the current season. Therefore, the second air port can be closed to avoid formation of body surface wind and animal cold stress in the season with low air temperature, and the second air port can be opened to provide body surface wind and avoid animal heat stress in the season with high air temperature, so that the body surface comfort of the animal is further improved, the possibility that the animal gets ill is reduced, and the animal quality is improved. And large-scale economic loss of the farm is also avoided.

The utility model relates to the technical field of pigsty ventilation and heat dissipation, in particular to a ventilation device for a pigsty, which comprises a pigsty, one side of the pigsty is fixedly connected with a water tank, one side of the water tank is fixedly connected with a support block, and the top of the support block is fixedly connected with a motor. The device has the advantages of being excellent in ventilation effect and pig house cleaning and deodorizing functions, in the actual use process, through matched use of the water tank, the motor, the first rotating rod, the second rotating rod, the stirring blades, the medicine injection pipe, the third fixing frame and the top cover, a deodorant injected into the water tank can be fully mixed and stirred with water, and the deodorization effect is good. And the mixed water is conveyed to the hog house through the water pump, the main water outlet pipe and the branch water outlet pipes, so that the interior of the hog house and the bodies of hogs can be effectively cleaned, a certain deodorization effect can be achieved, the air quality of the hog house is improved, the temperature of the hog house is reduced, and heat stress caused by high temperature is reduced.

The utility model provides a wearable microneedle ear tag for animal heat stress management, which comprises a female nail and a main body, the female nail comprises a detection disc, and a microneedle electrode is arranged on the detection disc. The microneedle electrodes comprise a first working microneedle electrode, a second working microneedle electrode, a third working microneedle electrode, a reference microneedle electrode and a temperature sensing microneedle electrode. The animal ear interstitial fluid monitoring device can monitor the temperature, pH, K + concentration and Ca < 2 + > concentration level of animal ear interstitial fluid at the same time, and comprehensively assesses the physiological status of animals under the heat stress condition. The microneedle technology enables the sensor to be more flexibly applied to animals of different types and sizes, wider application possibility is provided, the design of the microneedle is relatively small and light, invasive interference to the animals is reduced, stress to the animals is reduced, and the microneedle sensor is suitable for being worn by the animals for a long time.

The invention discloses a method suitable for temperature treatment and germ control in a corn germination period under heat stress. The method comprises the following steps: screening the most suitable temperature of the heat stress in the germination period; disinfecting the seeds before sowing; and pathogen prevention and control measures are taken in the germination process. According to the method, the appropriate temperature for corn heat stress treatment is explored, and the problem that mold is easy to breed at high temperature in the seed germination period is effectively solved through appropriate treatment on the growth environment of the seeds before sowing and the seeds after sowing. The method is clear in condition, high in replicability and capable of saving a large amount of trial and error time of people encountering similar problems. And the problem of germ breeding of a large number of materials under high-temperature stress can be effectively solved.

The present application relates to the field of laying hen breeding, and discloses a method and system for monitoring laying hen performance and breeding environment, the method comprising the following steps: obtaining the laying cycle information of each cage position, dividing the cage positions into different laying cycle groups; recording the laying performance data of each cage position; monitoring the cumulative effect of heat stress; constructing an individual dynamic baseline based on the laying performance history data of each cage position to obtain suspected abnormal cage positions; determining the abnormal cage positions and their types caused by environmental factors; generating a preventive control label according to the spread risk; and performing local control. Through dynamic grouping based on the laying cycle, differential monitoring is performed, the environmental threshold is set according to the age, the cumulative effect of heat stress is monitored, and finally the SIR model based on the time-varying transmission coefficient is used to predict the abnormal spread risk and generate differential control instructions, realizing early identification and advanced intervention of local abnormalities.

The invention provides a heat-stress-resistant laying hen feed and a preparation method thereof. The heat-stress-resistant laying hen feed comprises the following raw materials in parts by weight: 50-60 parts of corn, 10-20 parts of soybean meal, 5-15 parts of wheat bran, 1-5 parts of vegetable oil, 5-12 parts of fish meal, 2-5 parts of beta-alanine, 2-5 parts of activated black bean powder, 2-5 parts of quercitrin, 0.2-0.5 part of multivitamins, 4-8 parts of an electrolyte poising agent and 2-3 parts of compound amino acids. The activated black bean powder is obtained by performing enzymolysis activation on black bean powder by using an aromatic amino acid decarboxylase preparation. The laying hen feed disclosed by the invention can be used for feeding laying hens in a high-temperature environment in summer, and through a unique heat stress resistant formula, the heat stress resistant capacity of the laying hens is remarkably improved, adverse effects caused by heat stress are reduced, meanwhile, the antioxidant capacity and the immune function of the laying hens are enhanced, and the growth performance and the egg laying performance of the laying hens are improved.

The utility model discloses a thermal aging destressing device for pipe fittings, which belongs to the technical field of thermal aging destressing for pipe fittings, and adopts the technical scheme that the thermal aging destressing device comprises a heating furnace and three furnace doors, the front side of the heating furnace is fixedly connected with a support frame, and the top of the support frame is provided with an adjusting mechanism and a fixing mechanism; the rear side of the heating furnace is fixedly communicated with a cooling frame; the adjusting mechanism comprises a first supporting plate, a first adjusting frame, two second supporting plates, six auxiliary pads, a second adjusting frame, six auxiliary columns and a third adjusting frame, and the problems that due to the fact that specifications of existing pipe fittings are different, temperature distribution in a heating furnace may be uneven during heating destressing, and if the cooling speed is too high, the temperature distribution is not uniform are solved. In the prior art, a large temperature gradient can be formed in the pipe fitting, then thermal stress is generated, and the newly generated stress may counteract residual stress eliminated by thermal aging treatment, and even causes the problems of deformation or cracking of the pipe fitting and the like.

The present invention relates to the compositions comprising algae, specifically Spirulina platensis and Chlorella, and their use for the treatment of crops, such as fruits. vegetables and arable crops against heat stress, especially sunburn.

The utility model relates to long water gap related technical field especially relates to a glaze anti -crack type long water gap, the inside of long water gap ladle end, long water gap middle transition section and long water gap tundish end all is equipped with buffer composite component, the inner wall of long water gap ladle end, long water gap middle transition section and long water gap tundish end is provided with anchor assembly. The utility model discloses through the setting of buffer composite component, through the gradient change's honeycomb hole and hole, the nanometer heat conduction coating of dynamic adjustment heat conduction efficiency, realizes thermal stress dispersion and temperature regulation, and buffer composite component cooperates anchor assembly and anchors gradually complementary, and the destruction of heat stress to glaze layer is reduced to heat dissipation and buffer structure, and the anchor structure guarantees that glaze layer does not fall off under certain thermal stress and external force effect, and the anti -crack of long water gap glaze is realized together, and the overall performance and service life of long water gap are improved.

The invention provides a circular-arc-shaped counterweight type molten salt pump supporting structure system which comprises a combined steel platform, a plurality of arc-shaped sub-platforms and circular-arc-shaped foundations, the arc-shaped sub-platforms and the circular-arc-shaped foundations are spliced in the circumferential direction of a molten salt storage tank, each sub-platform comprises a foundation section, and the curvature radius of the inner arc face of each foundation section is the same as the curvature radius of the outer diameter of the tank wall of the molten salt storage tank; the overhanging section extends from the foundation section to the height direction of the fused salt storage tank; the pump seat supporting beam is vertically connected to the top of the overhanging section so as to support the molten salt pump; the arc-shaped foundation is pre-buried below a terrace line and comprises an arc-shaped bottom plate, and the inner arc surface of the arc-shaped bottom plate is matched with the curvature of the tank wall of the fused salt storage tank; the rigid filling body is arranged in an annular gap between the fused salt storage tank and the arc-shaped bottom plate; the first counterweight body is poured above the arc-shaped bottom plate, and a foundation section is pre-buried in the first counterweight body; and the flexible filling layer is arranged between the first counterweight body and the rigid filling body. The mounting efficiency, thermal stress distribution optimization, vibration resistance and structural durability of the molten salt pump supporting structure can be remarkably improved.

The present application relates to the technical field of welding process control, and particularly relates to a tower drum assembly welding sequence adaptive optimization method and system. The method comprises the following steps: obtaining cooling state data; performing heat field feature extraction according to the cooling state data to obtain heat field feature data; performing heat stress risk nucleus mapping processing according to the heat field feature data to obtain heat stress risk data; generating heat balance control targets according to the heat stress risk data to obtain control target data; generating initial welding actions according to the control target data to obtain initial welding action data; and reconstructing the heat stress welding sequence of the initial welding action data to obtain welding reconstruction data. Through the closed-loop control of heat field structure recognition and heat stress risk mapping, the present application realizes real-time adaptive reconstruction of the tower drum assembly welding sequence under low-temperature and gust disturbance conditions, effectively suppresses the risk of circumferential heat tearing and axial heat accumulation superposition, and reduces the occurrence probability of cold cracking and residual stress concentration.

The invention belongs to the technical field of biology, and relates to application of a ZmCASPL11 gene in improving heat resistance of plants. The ZmCASPL11 gene encodes a protein of a membrane protein (CASPL) family related to a Kjeldahl band structure, the gene expression level of the ZmCASPL11 gene under high-temperature stress is remarkably increased, and a mutant zmcaspl11 of the gene shows a high-temperature sensitive phenotype. The ZmCASPL11 gene disclosed by the invention is transformed into arabidopsis thaliana and is subjected to functional verification, and compared with wild type arabidopsis thaliana, the tolerance of an arabidopsis thaliana plant over-expressed with the ZmCASPL11 gene to heat stress is remarkably enhanced. According to the invention, more theoretical bases are provided for corn heat resistance research, and gene resources and biotechnological means are provided for subsequent cultivation and germplasm resource innovation of new heat-resistant corn strains.

To more accurately evaluate heat stress experienced by a user.SOLUTION: The wearable terminal includes a sensor that detects a pulse rate of a user, and a controller. The controller estimates an intensity of exercise by the user from the number of pulses detected by the sensor, and determines that the user is experiencing heat stress when a degree of decrease in the number of pulses is smaller than a predetermined reference value in a period in which the estimated intensity of the exercise has decreased. Iga.SELECTED DRAWING: Figure 5

The invention provides an emergency rescue suit fabric which comprises a protective layer, an aerogel layer, a heat conduction layer, a breathable layer and a comfortable layer which are sequentially arranged in a stacked mode. The protective layer is formed by blending aramid fibers and ceramic fibers and provides mechanical strength and heat resistance. The thickness of the aerogel layer is 2-5 mm, the content of silicon dioxide aerogel is larger than or equal to 85 wt%, a shell with the particle size being 10-50 microns is soaked in fibers of the aerogel layer, and a phase change material with the phase change temperature being 30-45 DEG C is packaged; the heat conduction layer is composed of foam metal particles and is made of magnesium or aluminum, and body surface heat is transmitted to the aerogel layer. The breathable layer comprises a polytetrafluoroethylene microporous membrane, so that moisture permeability is ensured; the comfort layer directly contacts the skin. And microcapsules for packaging a repairing material are attached between the aerogel layer and the protective layer, so that damage can be repaired in a high-temperature environment. The body surface temperature is adjusted in a fire or low-temperature environment, and heat stress or frostbite is avoided; meanwhile, the durability and the air permeability are improved through multi-layer bonding and a gradient pore structure, and the rescue efficiency and the personnel safety are remarkably improved.

The application discloses a perennial ryegrass heat-resistant gene LpHSP70-10, the gene is significantly up-regulated under high-temperature stress, and reaches a peak at 12 hours, and the nucleotide sequence of the gene is shown as SEQ ID NO. 1; the gene LpHSP70-10 is knocked out through a gene editing technology, and a heat-resistant ryegrass variety is cultivated. Based on whole genome association analysis combined with transcriptome sequencing results, the application finds a gene LpHSP70-10 which is sensitive to heat stress. The heat-resistant gene LpHSP70-10 of the ryegrass provided by the application can regulate the expression of heat stress-related genes, and subsequent gene knockout can improve the heat resistance of the ryegrass, which is helpful for cultivating the ryegrass variety suitable for the growth in the relatively hot southern region, and simultaneously reduces the breeding workload, reduces the breeding scale, shortens the breeding period, improves the breeding efficiency, and accelerates the breeding of the heat-resistant ryegrass variety.

The present invention provides a magnetic one-component toner that has low-temperature fixing properties and excellent heat resistance and heat stress resistance over long periods, as well as an image forming apparatus using the same. [Solution] The magnetic one-component toner comprises toner matrix particles containing at least a binder resin and magnetic powder, and an external additive attached to the surface of the toner matrix particles. The binder resin comprises an amorphous polyester resin and a crystalline polyester resin containing an aliphatic diol with 3 to 9 carbon atoms, and the amount of crystalline polyester resin added is 5% by mass or less relative to the amorphous polyester resin. When the glass transition point at the first heating, measured by differential scanning calorimeter, is Tg1, and the glass transition point measured when the temperature is raised again after cooling after measuring Tg1 is Tg2, Tg(45) and Tg(25), which are Tg1 measured after being left at 45°C and 25°C for 100 hours, are 0

The present invention provides a heat stress mitigating agent and a method for mitigating heat stress. [Solution] A heat stress reliever containing olive extract as an active ingredient. According to the present invention, the suppression of cell proliferation and melanin production caused by heat stress are alleviated.

This invention belongs to the field of microbial technology and relates to a thermoresistant, high-esterase-producing *Changfangluode* yeast and its specific identification method. The high-esterase-producing, thermoresistant *Changfangluode* yeast (… Lodderomyces elongisporus FBKL2.9-G53, deposited at the China Center for Type Culture Collection (CCTCC) with accession number CCTCC M 20253046 on December 29, 2025, exhibits excellent thermostability, maintaining good growth activity and enzyme production capacity even at 45℃. Quantitative esterase analysis showed a significant thermo-enhancing effect on enzyme production, with esterase activity of 12.83 U / mL at 28℃, increasing to 14.87 U / mL at 40℃ and 20.56 U / mL at 45℃. Simulated fermentation experiments further confirmed that the strain demonstrated robust metabolic adaptability under 45℃ heat stress, with esterase activity reaching 7.44±0.35 U / mL on day 7 of fermentation, approximately 1.55 times higher than the control group at 28℃.

The invention discloses a surface sanding treatment device self-adaptive to the thickness of a plate. The surface sanding treatment device comprises a sanding box, a conveying belt and a sanding machine. The sanding machines comprise the first sanding machine, the second sanding machine and the third sanding machine which are arranged in the plate conveying direction, and the first sanding machine, the second sanding machine and the third sanding machine are arranged on the upper side and the lower side of the plate channel correspondingly. The first sanding machine and the second sanding machine in the conveying direction of the plates and the distance between the first sanding machine and the second sanding machine are larger than or equal to the length of the plates. According to the sanding device, the multiple sets of sanding machines with different grinding precision are arranged, the sanding machines are vertically distributed in a staggered mode, a plate sequentially passes through the first sanding machine, the second sanding machine and the third sanding machine in the sanding box, and the sanding amount is reduced layer by layer through coarse sanding, medium sanding and fine sanding; the plate surface material is alternately removed in stages, the stress of the plate is gradually balanced, heat is dissipated in an interval mode during single-side machining of the plate, the thermal stress is more controllable, and therefore the high sanding speed and the high sanding precision can be kept.

The utility model discloses a heat stress simulation open top box, and relates to the technical field of forestry and plant ecology. The heat stress simulation open top box comprises a first FRP sunlight plate (fiber reinforced plastic plate), the top of the first FRP sunlight plate is provided with a closing mechanism, and the top of the first FRP sunlight plate is provided with a transmission mechanism. According to the heat stress simulation open-top box, the temperature in the first FRP sunlight plate can be controlled by arranging a rotating ring, firstly, when an air temperature sensor senses that the temperature in the first FRP sunlight plate is low, a temperature intelligent controller starts a motor to drive a lead screw to control the second FRP sunlight plate to rotate, the second FRP sunlight plate is subjected to screwing and closing-up treatment, and the heat stress simulation open-top box is formed; when the air humidity sensor senses that the air humidity in the first FRP sunlight plate is high, the dehumidifier is started through the humidity intelligent controller to reduce the air humidity, and the device can conveniently control the temperature and humidity in the first FRP sunlight plate to achieve the purpose of simulating dry and hot and humid and hot environments.

The utility model discloses an anti-deformation automobile brake pad back plate, and belongs to the technical field of automobile brake pad back plates. The tension of the back plate is improved through the separation net so as to overcome the deformation possibility caused by high temperature and friction, meanwhile, the metal corrugated sheet is matched to increase the bearing capacity and the deformation resistance of the structure, and the back plate is structurally limited to a certain extent through the fastening assembly, the limiting sleeve and the reinforcing assembly when fixed; and a plurality of expansion grooves are formed, so that thermal stress can be effectively overcome and released to a certain extent. An anti-deformation metal separation net is embedded in the reinforcing layer plate, a metal corrugated sheet is arranged in a separation part of the metal separation net, a plurality of expansion grooves are formed in the front surface of the back plate main body, two sets of fastening assemblies, limiting sleeves and reinforcing assemblies are arranged on the rear surface of the back plate main body, and two symmetrical sliding grooves are formed in the rear surface of the back plate main body.

This invention discloses a maize adenylate cyclase ZmSnRK1.2, its encoding gene, expression vector, and applications, aiming to address the current technical problem of scarce maize heat-resistant gene resources and germplasm resources. This application verifies that maize kinase ZmSnRK1.2, as a novel adenylate cyclase, has high catalytic activity and can rapidly produce cAMP in the presence of ATP. This application also verifies... ZmSnRK1.2 The positive regulatory role of genes in the heat tolerance of maize. This application provides new ideas and technical approaches for solving the damage caused by heat stress in maize and for breeding heat-tolerant varieties.