37results about How to "Harm mitigation" patented technology

The invention relates to the technical field of new energy batteries, in particular to a battery pack explosion-proof structure and a battery pack, the battery pack explosion-proof structure structurally comprises an outer shell, a heat insulation sheet and a wire harness fixing part, a mounting cavity is formed in the outer shell, the mounting cavity is used for mounting a battery cell module, the heat insulation sheet is arranged on one side, close to an electrode end of the battery cell module, in the mounting cavity, and a through hole is formed in the heat insulation sheet; the outer shell is provided with a first mounting surface, an explosion venting channel is arranged among one surface, facing the electrode end of the battery cell module, of the outer shell, the first mounting surface and the heat insulation sheet, the explosion venting channel is communicated with the through hole, a first explosion-proof piece is arranged on the first mounting surface, and the first explosion-proof piece is communicated with the explosion venting channel and is used for discharging pressure in the battery pack to the outside; the wire harness fixing part is arranged on the side, close to the first anti-explosion piece, in the installation cavity. The direct influence of high-pressure gas or high temperature on the wire harness is reduced, the thermoelectric separation effect is achieved, the damage to a circuit during thermal runaway is reduced, and the safety of the battery pack is improved.

The invention relates to an energy-saving automatic control valve which comprises a valve body, a butterfly plate and a valve shaft. A piston dividing an inner cavity of the upper cover into an upper piston cavity and a lower piston cavity is arranged in the inner cavity of the upper cover, and a driving spring is arranged in the lower piston cavity. The upper piston cavity is communicated with the left chamber through a left flow channel, the right flow channel is communicated with the right chamber, and a one-way valve is arranged at the left flow channel; a valve rod pin is arranged in the valve shaft, a driving hole is formed in the bottom of the piston, and one-way threads are arranged on the hole wall of the driving hole. The worm gear is mounted on the valve shaft; the motor frame is arranged on the valve body and can slide left and right relative to the valve body, and a motor and a worm are arranged on the motor frame; the driving structure is used for driving the motor frame to slide left and right; the locking structure is used for locking the motor frame at the first position; the left flow channel control switch is used for controlling opening and closing of the left flow channel; the right runner control switch is used for controlling the opening and closing of the right runner. The energy-saving automatic control valve is reasonable in structure, effectively relieves the water hammer phenomenon, and does not need to be matched with a high-power motor.

The invention discloses a phosphate solubilizing bacterium 4P-1 and a drought-resistant phosphate solubilizing bacterium agent thereof. The phosphate solubilizing bacterium 4P-1 is classified and named as Pseudomonas orientalis (Pseudomonas orientalis) 4P-1, and the phosphate solubilizing bacterium 4P-1 is named as Pseudomonas orientalis (Pseudomonas orientalis) 4P-1. The Pseudomonas extrinsic 4P-1 provided by the invention has efficient phosphate solubilizing capacity, and the drought resistance of the 4P-1 and the phosphate solubilizing efficiency under the drought condition can be remarkably improved by adding a drought-resistant agent (prepared by mixing polyglutamic acid and trehalose according to the molar ratio of 3: 1) into the Pseudomonas extrinsic 4P-1. Under the same drought stress degree, the growth amount and the phosphate solubilizing capacity of the 4P-1 fungicide in a drought environment can be remarkably improved by adding the drought-resistant agent. Technical support can be provided for development and application of phosphorus-dissolving and drought-resisting microbial fertilizers for crops, and growth of commercial crops is promoted.

The invention relates to the technical field of polarizing beam splitters, in particular to a polarizing beam splitter and a preparation method and application thereof. The polarizing beam splitter provided by the invention comprises a diamond substrate, a polarizing beam splitting film and a first metalized film layer which are positioned on the surface of one side of the diamond substrate, a broadband antireflection film positioned on the surface of the other side of the diamond substrate, and a second metalized film layer positioned on the side surface of the diamond substrate, the first metallized film layer is located at the edge position of the surface of one side of the diamond substrate. Diamond is adopted as a substrate material of the polarizing beam splitter, and the characteristic of high thermal conductivity of the diamond is utilized, so that heat generated when laser acts on a film layer and a substrate can be quickly conducted as soon as possible, and damage to the polarizing beam splitter caused by local temperature rise is relieved; the edge of the polarizing beam splitter is metalized, so that the beam splitter body and a metal tube shell or a water cooling structure can be integrally welded, and a high-reliability and low-leakage-rate vacuum sealing solution can be provided while the heat conduction efficiency is improved.

The invention discloses application of dihydroquercetin to improvement of drought resistance of wheat. The technical problem to be solved by the invention is how to improve the drought resistance of gramineous plants. The invention specifically discloses application of dihydroquercetin or salts thereof, or solvates of dihydroquercetin and salts thereof in any one of the following aspects. A1) application in improving the drought resistance of gramineous plants; a2) preparing a product for improving the drought resistance of the gramineous plants to be neutral. Dihydroquercetin is applied to the roots of the gramineous plants, the drought resistance of the gramineous plants can be improved, and the method can be used for industrial production.

This invention discloses a strain of *Pseudomonas galbana* LAB-SA 50, which is classified and named *Pseudomonas galbana* (…). Pseudomonas gessardii The deposit date is September 18, 2025, and the accession number is CGMCC No. 35979. This invention also discloses the microbial agent prepared therein. Furthermore, this invention discloses the application of the microbial agent and its preparation in promoting the growth of crops in saline-alkali soil, wherein the saline-alkali soil is soda-type saline-alkali soil. The *Pseudomonas gasseri* LAB-SA 50 screened in this invention has strong salt and alkali tolerance, and can colonize and stably function under soda-type saline-alkali stress, thereby effectively alleviating the damage of soda-type saline-alkali stress to crops (such as corn) and promoting crop (such as corn) growth.

The utility model discloses an intelligent safety helmet, which belongs to the technical field of protective articles, and comprises a helmet shell and a helmet lining, the helmet lining is arranged in the helmet shell, a neck curtain is arranged at the bottom of the rear side of the helmet shell, the neck curtain is an inflatable neck curtain, a sensing device and an inflating device are arranged between the top of the helmet shell and the helmet lining, and the sensing device can detect the state of a wearer. The induction device can control the inflation device, and the inflation device can inflate the neck curtain. The neck curtain can be stored at the bottom of the rear side of the helmet shell in an uninflated state, and the neck curtain is arranged on the rear side and the two ends of the helmet shell in a surrounding mode in an inflated state. According to the utility model, the sensing device can monitor the angular velocity and the motion state of the head of a wearer in real time, and when an abnormal motion or collision signal is detected, a trigger instruction is sent to the inflation device. In an emergency, the neck curtain is used to rapidly expand, encircle and protect the neck of the wearer.

The invention discloses a roller type screening device capable of automatically adjusting a roller gap. The lower ends of the plurality of rocker frames are detachably mounted at the lower parts in the two side walls at equal intervals respectively; the reset pieces are detachably installed at the two ends of the interior of each rocker frame respectively; the driving assembly is connected to the lower portion of each rocker frame, one end of the driving assembly penetrates through the side wall of the end to be connected with a driving chain wheel, and the other end of the driving assembly penetrates through the side wall of the end to be connected with a driven chain wheel; the screening roller is rotationally connected to the upper portion of each rocker frame; the driving chain ring is arranged on the driving chain wheel in a surrounding manner; the driven chain rings are arranged on the screening roller chain wheels and the driven chain wheels in a surrounding mode, wherein the screening roller chain wheels and the driven chain wheels are vertically opposite. The screening rollers are supported by the elastic rockers, the roller gap can be increased within a certain range, when bolts falling from the upstream are larger than the roller gap, the screening rollers are automatically bounced off, the gap is increased, the bolts fall down, then the screening rollers are reset, and the gap returns to the normal value.

The present invention belongs to the field of microorganisms, and specifically discloses a strain of Sphingobacterium shellycum and its application. The Sphingobacterium shellycum (Sphingobacteriumputeale) strain TYQ6 was deposited in the General Microbiology Center of China Microorganism Culture Collection Administration on April 27, 2023, with a deposit number of CGMCC.27215. The applicant found through experiments that the above-mentioned Sphingobacterium shellycum can secrete auxin, which can promote the growth of cucumber seedlings. It also has the ability to enhance the cucumber seedlings' ability to resist drought, interfere with the tropism migration of nematodes, and kill nematodes; therefore, the above-mentioned Sphingobacterium shellycum has broad application prospects in agricultural production.

The present invention relates to the medical and food use of bile acid derivatives. Specifically, the present invention relates to the use of 3-oxoLCA in reducing oxidative stress and inflammation in pregnant mothers and their offspring. Specifically, the present invention relates to the use of 3-oxoLCA to reverse the effects of oxidative stress on pregnant mothers, in particular, to maintain fetal equal weight, significantly reduce placental and liver oxidative stress in pregnant mothers and the resulting inflammation or dysfunction of the placenta and liver, and to improve the intestinal flora imbalance of pregnant mothers. Further studies have found that 3-oxoLCA has long-term effects, in particular, can significantly reduce the effects of oxidative stress during pregnancy on oxidative stress and inflammation in the liver of offspring.

The invention discloses a method for relieving castor salt stress by using melatonin and arbuscular mycorrhizal fungi and application, and belongs to the technical field of plant protection. The arbuscular root fungus is a mixed strain of glomus mosseae enzyme and rhizopus intraradices according to a spore ratio of 1: 1. Experiments prove that damage of stress to ricinus communis can be effectively relieved by using melatonin and arbuscular mycorrhizal fungi, the content of proline, soluble sugar and soluble protein is increased by remarkably improving the activity of antioxidant enzyme, and the net photosynthetic rate, stomatal conductance, intercellular CO2 concentration, transpiration rate and actual photochemical efficiency are remarkably increased, so that the stress resistance of the ricinus communis is improved. The melatonin and the arbuscular mycorrhizal fungi are utilized to effectively relieve the damage of salt stress to the ricinus communis, improve the salt tolerance of plants and solve the key growth problem of the ricinus communis caused by soil salinization, so that the application of the melatonin and the arbuscular mycorrhizal fungi can effectively relieve the damage of the salt stress to the ricinus communis, improve the salt tolerance of the plants and improve the soil salinization resistance of the ricinus communis. In addition, no potential safety hazard and risk of mutation of germplasm genes exist in the treatment process, the safety of prevention and control measures is greatly improved, and the method is a green, safe and environment-friendly method for relieving the harm of salt stress to the castor.

The invention belongs to the field of botany, and provides a method for improving the salt tolerance of ice leaf daylily seedlings, determines the optimum NaCl concentration for the growth of ice leaf daylily, and while the appropriate amount of NaCl treatment increases the yield of ice leaf daylily seedlings, it also increases the content of various nutrients (protein, soluble sugar, organic acid, dietary fiber and various amino acids) of the seedlings, and at this time, the betalain content is also the highest. Under 0mM (control NaCl concentration), 100mM (optimal NaCl concentration) and 200mM (stress NaCl concentration) NaCl treatments, the optimum nitrogen (7.5mM), phosphorus (1mM), potassium (4mM) and calcium (5mM) concentrations for the growth of ice leaf daylily seedlings are respectively determined. Under the treatments of 0mM, 100mM and 200mMNaCl, a four-factor three-level orthogonal experiment was used to determine the reasonable fertilization scheme for ice leaf helianthus seedlings under salt treatment conditions, that is, nutrient solutions with nitrogen, phosphorus, potassium and calcium of 7.5mM, 1mM, 8mM, 2mM or 10mM, 0.5mM, 8mM, 5mM respectively can significantly promote the growth of ice leaf helianthus.

The utility model discloses a safe mountain tackle, and relates to the technical field of mountain tackles, the safe mountain tackle comprises a mountain tackle housing, the bottom of the mountain tackle housing is fixedly provided with a moving assembly, the surface of the mountain tackle housing is fixedly provided with a protection assembly, and the interior of the mountain tackle housing is fixedly provided with a limiting assembly. An anti-collision assembly is movably installed on the side face of the mountain tackle shell. By arranging the protection assembly, part of the surface of the pulley shell body can be wrapped, a user is prevented from shaking left and right after collision and making contact with the shell body to be injured, collision injuries are effectively relieved through the top face soft protection strip, the side soft cushions and the back soft cushion, and the limiting assembly is arranged, so that the safety of the user is improved. After a user sits in the mountain tackle, the limiting elastic rope bypasses the body and is fixed by connecting the clamping buckle with the clamping seat, so that the movable range of the user can be effectively limited in the moving process, and the user is prevented from shaking and turning out.

The utility model discloses a buffer type taekwondo protective helmet which comprises a helmet body and further comprises side frames detachably arranged on the two sides of the helmet body and protective plates movably arranged on the side frames, and buffer assemblies used for buffering the protective plates are arranged at the upper position, the lower position, the left position and the right position of one side of each side frame. Buffering is carried out through cooperation of the side frame, the protection plate and the buffering assembly, the buffering effect is better than that of a traditional material, the buffering stroke is longer, ventilation is better, force transmitted from the protection plate can be secondarily buffered through the rubber groove body, the safety of the helmet is improved, and the service life of the helmet is prolonged. The side frames can be conveniently and quickly disassembled and assembled through the T-shaped grooves and the T-shaped clamping blocks, replacement is convenient, the two sides of the head and the temples of a person can be better protected, and damage to the two sides of the head and the temples caused by side kicking of high legs is effectively relieved.

The invention discloses a large-gap composite permeable pavement structure and a low-carbon construction method, and relates to the technical field of asphalt pavement structures and constructions.The pavement structure comprises a roadbed layer, a bonding layer, an asphalt mixture layer, a middle layer and a heat preservation coating which are sequentially arranged from bottom to top; the heat preservation coating comprises a bottom layer, a middle layer and a surface layer which are sequentially arranged from bottom to top. Compared with the traditional asphalt pavement, the pavement surface temperature can be effectively reduced by 10.0-20.0 DEG C by adopting the drainage asphalt-large-gap composite permeable pavement, so that the diseases such as asphalt aging and rutting caused by high temperature of the traditional asphalt pavement are effectively reduced; the large-gap drainage structure can effectively reduce high driving safety risks caused by road surface water runoff in the rainy season; meanwhile, the light reflectivity of the road surface is further improved by painting the macromolecular colored heat-insulating coating, the cooling and anti-dazzle effects are achieved, and the driving safety risk is improved; and the method has excellent environmental benefits.

The invention discloses a boiler without generation of solid waste, and relates to the field of boilers, the boiler without generation of solid waste comprises a combustion chamber, an electric melting chamber and an unblocking assembly, the combustion chamber and the electric melting chamber are vertically connected through a main runner, fuel is primarily combusted through the combustion chamber, and solid slag, fly ash and other substances can be generated; at the moment, solid slag can directly fall into the electric melting chamber under the influence of gravity, fly ash can gradually rise until flowing into the dust remover, the unblocking assembly is arranged at the joint of the combustion chamber and the electric melting chamber and comprises a flow dividing piece and a dredging piece, standby channel conveying in the blocked state is achieved through the flow dividing piece, and the unblocking piece is unblocked; the situation that due to blockage, materials are continuously accumulated, blockage is serious finally, and even internal structures of a combustion chamber and an electric melting chamber are damaged is relieved, vibration of the conveying channel after the flow dividing piece reaches a bearing threshold value is achieved through the dredging piece, conveying smoothness is guaranteed, and automatic dredging can be conducted in time when blockage occurs.

The utility model relates to a guide device of a dummy bar for production of a continuous casting machine, in particular to the technical field of dummy bars. Comprising a bottom plate, a crystallizer, a withdrawal and straightening machine, a rotating roller, a buffer mechanism, an adjusting chamber, an adjusting mechanism and a dummy bar. The problems that in the conveying process of an existing dummy bar, the dummy bar often collides with a guide rotating roller, so that large impact force is generated, and the dummy bar is damaged are solved; and if the deviation of the dummy bar is not corrected in time, excessive collision between the dummy bar and the crystallizer is caused.

The utility model provides a device for adjusting the radian of a waist rest, which comprises a back support, a waist bearing piece and two armrest frames, the two armrest frames are arranged on the back support in a bilateral symmetry mode, and the waist bearing piece is arranged on the back support and located between the two armrest frames; ejector rods are arranged on the two armrest frames, and the two ejector rods are located on the sides of the two ends of the waist bearing piece respectively; the ejector rod is configured to move towards the waist bearing piece and push the waist bearing piece to reduce the radian or move away from the waist bearing piece to increase the radian of the waist bearing piece. Compared with the prior art, the radian of the waist bearing piece is adjusted through movement of the ejector rod so as to adapt to people of different body types; when the radian of the waist supporting piece is adjusted to be matched with the waist size of the user, the waist supporting piece can more effectively support the user, and therefore fatigue caused by sedentariness and damage to the lumbar vertebra are relieved.

The utility model discloses composite toughened glass which comprises a first glass plate and a second glass plate, a plurality of side frames and a plurality of top plates are detachably arranged at the side ends of the first glass plate and the second glass plate, and a mounting frame is detachably arranged between the side frames and the top plates. A plurality of mounting frames are arranged, so that a main body structure of the whole composite toughened glass is formed; the side end of the side frame is provided with a mounting plate, protection structures are arranged between the mounting plate and the side frame, each protection structure comprises a connecting rod, a spring and a mounting piece, the number of the protection structures is multiple, and the mounting pieces are fixedly arranged on the mounting frame, so that the whole glass is conveniently protected through the protection structures.

The utility model relates to the technical field of flue gas monitoring, in particular to a sampling probe for flue gas monitoring, which comprises a base and a fixing hole, the inner wall of the side end of the base is provided with the fixing hole, the inner wall of the base is abutted against a rubber fixture block, the end of the rubber fixture block is fixedly connected with a shell, the inner wall of the shell is provided with a vent hole, and the vent hole is communicated with the rubber fixture block. And the middle part of the base is connected with a cleaning mechanism. A certain distance is formed between the protective cover outside the shell and the shell, the protective cover can play a role in shielding and protecting when being collided with external foreign matters, damage to the surface and the interior of the shell is relieved, and when scratches appear on the surface of the protective cover, the inner threaded block is unscrewed from the threaded rod, and the protective cover is separated from the shell; and the protective cover can be cleaned and replaced, so that the influence on attractiveness and economic loss are effectively avoided.

The invention discloses a display panel and a display device. The display panel provided by the invention comprises a silicon-based driving substrate, a glass substrate, a pixel definition layer, a light emitting unit and a light conversion layer. The glass substrate is in bonding connection with the silicon-based driving substrate, the glass substrate is provided with a conductive through hole penetrating through two opposite side surfaces of the glass substrate, and the conductive through hole is filled with a conductive part; the pixel definition layer protrudes out of the glass substrate and forms an opening area, and the conductive part is exposed through the opening area; the light-emitting units are at least partially arranged in the opening area, each light-emitting unit comprises a first electrode, a light-emitting layer and a second electrode which are stacked, and the first electrode is electrically connected with the conductive part; the light conversion layer is arranged on the side, away from the silicon-based driving substrate, of the glass substrate, the pixel definition layer covers the light conversion layer, the light conversion layer is used for receiving at least part of incident light beams, the incident light beams comprise invisible light, and the light conversion layer is used for converting the invisible light into visible light to be emitted. The risk that invisible light damages the display panel is reduced, and the service life is prolonged.

The invention provides a semiconductor structure, a forming method thereof and a memory system. The semiconductor structure comprises an active layer, an electrostatic protection structure and a bonding pad located on the active layer. The electrostatic protection structure comprises at least one transistor structure, the transistor structure comprises a gate structure, a first electrode region, a channel region and a second electrode region, the first electrode region, the channel region and the second electrode region are located in the active layer and arranged in the first direction, and the gate structure is located on the channel region; the first direction is perpendicular to the second direction; the second direction is the thickness direction of the active layer; and the bonding pad is connected with the first electrode region or the second electrode region of the transistor structure.

The utility model discloses an agricultural machinery towing device, which relates to the technical field of agricultural machinery traction, and comprises a traction arc ring and a mounting cross rod, an anti-drop folded plate is fixedly arranged at the top of the traction arc ring, a limiting bolt is movably inserted into the traction arc ring below the anti-drop folded plate, and the mounting cross rod is fixedly arranged on the mounting cross rod. The limiting plug pin is movably sleeved with a vertical cylinder in the vertical direction, an extension pipe is fixedly arranged on the side face of the vertical cylinder, and the other end of the extension pipe is movably inserted into the limiting cylinder. The main body structure of the traction device comprises the installation cross rod, the connection damping assembly and the traction arc ring, the traction arc ring is used for being connected with the tractor, the installation cross rod and the connection damping assembly are used for being fixed to the farm tool, and the connection damping assembly allows the farm tool to move relative to the tractor in the vertical direction. The problem that when a bumpy road section encounters, the height between a moving tractor and an agricultural machine tool continuously changes, and the connecting portion is prone to being damaged can be solved to a certain degree.

This invention belongs to the field of electronic component technology, and discloses a SnTe material for a nitrogen dioxide gas sensor, its preparation process, and its application. The SnTe material is synthesized via a solvothermal method. The nitrogen dioxide gas sensor mainly consists of a gas-sensitive material and gold interdigitated electrodes. The gas-sensitive material is coated on the surface of the gold interdigitated electrodes with a coating thickness of approximately 15mm to 75mm. The gas-sensitive material is SnTe. This invention provides a simple, low-cost, safe, and controllable TMDC nanomaterial preparation scheme. Using ethanolamine as a solvent and coordinating agent, and potassium hydroxide aqueous solution as a tellurium source activator, this invention synthesizes SnTe nanomaterials in one step via a solvothermal method. The SnTe nanomaterials prepared by this invention achieve a small nanoscale size. A large number of small-sized nanomaterials can effectively increase the sufficient contact between the material and gas molecules, improving the residence rate of gas molecules on the nanomaterial surface.

The invention relates to the field of building materials, in particular to building concrete and a preparation method thereof. The invention relates to building concrete, which is prepared from the following raw materials in parts by mass: 220 to 240 parts of cement, 690 to 715 parts of fine aggregate, 1050 to 1150 parts of coarse aggregate, 130 to 150 parts of water, 140 to 170 parts of mineral admixture, 5 to 10 parts of admixture, 10 to 30 parts of modified plastic particles, 5 to 10 parts of pineapple leaf fiber and 1 to 5 parts of chitosan, the modified plastic particles are prepared by modifying plastic particles with acetone and sodium hypochlorite. The plastic can fully play a role in the concrete, and the strength and durability of the concrete are effectively improved.

The invention discloses the application of peanut AhP5CS2 gene in improving plant stress resistance, belonging to the technical field of improving plant stress resistance. The nucleic acid sequence of the peanut AhP5CS2 gene in the invention is shown in SEQ ID NO:1, and the amino acid sequence of the protein encoded by it is shown in SEQ ID NO:2. The gene is used to construct a plant expression vector and transform tobacco, which can significantly improve the stress resistance of tobacco in the germination stage, seedling stage and seedling stage. Therefore, the peanut AhP5CS2 gene has potential application value in improving plant stress resistance.

The utility model relates to the technical field of production of plastic products, in particular to rapid cooling and shaping equipment for plastic products, which comprises a feed hopper and a straight pipe fixedly connected below the feed hopper, and a plurality of rows of blowholes are arranged on the straight pipe. After being produced, plastic products can directly enter the straight pipe through the feeding hopper to be subjected to air cooling and shaping, and finally the plastic products are stored in the receiving box through the discharging pipe conveying belt below the straight pipe. Therefore, air cooling and shaping are carried out in the material conveying process, a cooling and shaping station does not need to be additionally arranged, the cost is reduced, and the efficiency is improved. The plastic product is cooled and shaped by spraying air from multiple directions through the air spraying holes, synchronous heat dissipation and uniform heating of the plastic product in all directions are ensured, the air outlet ends of the air spraying holes are arranged obliquely upwards, and oblique upward thrust can be provided while cooling, shaping and heat dissipation are performed on the plastic product through oblique upward air spraying. And the cooling and shaping efficiency and effect are improved.

The application belongs to the technical field of crop cultivation, and particularly relates to a method for improving salt tolerance of asparagus seedlings. The growth of asparagus seedlings is significantly inhibited under salt stress, which is manifested as slow development of stems and leaves, hindered growth of root system and decreased photosynthetic capacity. The application provides a method for improving salt tolerance of asparagus seedlings. Experiments show that by externally applying a compound nutrient solution rich in silicon source and selenium source to asparagus seedlings at the two-leaf-one-heart stage, the dose of the compound nutrient solution is 1.1 square meters / mu to 1.4 square meters / mu, the compound nutrient solution is applied once every 2-3 days, and the treatment is continuously carried out for 14-20 times, the growth indexes of the asparagus seedlings such as fresh weight, dry weight, root length and stem thickness and the photosynthetic parameters such as net photosynthetic rate and chlorophyll content can be restored to close to normal level, and the damage of salt stress to the asparagus seedlings can be effectively alleviated. The method is simple in operation and low in cost, and provides a feasible nutrient regulation strategy for efficient cultivation of asparagus in saline soil.

The application discloses a waste landfill site in-situ treatment system and method based on smoldering, and relates to the technical field of waste landfill treatment. The waste landfill site comprises a base and a solid waste landfill layer located on the base. The waste landfill site in-situ treatment system based on smoldering comprises: an igniter located between the base and the solid waste landfill layer; an air supply device for conveying air to the solid waste landfill layer and controlling the air flow rate; a temperature measuring device for measuring the temperature at different depth positions of the solid waste landfill layer; and a control terminal electrically connected with the air supply device and the temperature measuring device. The treatment system provided by the application can be used for in-situ smoldering treatment of waste in a waste landfill site, so that the waste decomposition speed can be improved, the waste decomposition period of the waste landfill site can be effectively shortened, and the existing waste landfill site close to saturation can be quickly and completely cleaned, so that the waste landfill site can be restored to the waste landfill capacity and be reused. The system provided by the application is simple to operate and suitable for waste landfill sites of different specifications.