52results about How to "Reduce breeding rate" patented technology

The invention discloses a purifying agent for air purifiers and a method for preparing the purifying agent, and relates to the technical field of purifying agents. The purifying agent comprises, by weight, 55-65 parts of modified bamboo pulp fibers, 40-42 parts of nanometer bacterium removing agents, 35-40 parts of sustained-release particles, 30-35 parts of expanded vermiculite, 15-25 parts of modified attapulgite, 10-15 parts of mildew-proof and insect-proof agents and 5-7 parts of stabilizers. The purifying agent and the method have the advantages that raw materials for the purifying agent are safe and environmentally friendly, excellent effects of adsorbing toxic gas such as formaldehyde, toluene and dimethylbenzene in the air can be realized, effects of killing germs can be realized, and accordingly indoor environments can be effectively improved.

The invention discloses a perlite partition board and its preparation method, and relates to the technical field of a partition board. The perlite partition board is prepared from, by weight, 55-65 parts of Portland cement, 45-50 parts of enveloped expanded perlite, 32-35 parts of phenolic resin, 29-31 parts of filler, 24-26 parts of modified glass beads, 19-21 parts of mildew-proof insect-resistagent, 14-16 parts of anti-cracking fiber, 14-16 parts of assistant and 60-65 parts of water. The perlite partition board is featured by light weight, heat insulation and being not easy to crack, andothers; the preparation method is simple and the construction performance is good.

The invention discloses a multifunctional chicken house for raising broilers. The chicken house comprises a chicken house body which includes a wall body and a ceiling. At least one group of multi-layer chicken raising racks is arranged in the chicken house body. Each layer of the chicken raising rack comprises a chicken raising cage and a feces receiving plate arranged correspondingly under the chicken raising cage. The chicken raising cage and the feces receiving plate can be independently detached. A detachable feeding trough is arranged at the side surface of the chicken raising cage. An water inlet pipe arranged at the ceiling. One end of the water inlet pipe passes through the ceiling to be connected with an external running water pipe, the other end of the water inlet pipe is arranged at the side of the feeding trough of the chicken raising rack. A water outlet and a control valve are arranged at the positions corresponding to each chicken raising cage. The feces receiving plate is arranged with a downward inclination. One side of the inclined side is connected with a feces drainage pipe. The other end of the feces drainage pipe is connected with a feces collecting trough. The feces receiving plate is arranged with a downward inclination, and the water inlet pipe, the feces drainage pipe and the feces collecting trough are arranged, the water inlet pipe can flush the feces receiving plate at any time, the feces drainage pipe can timely convey the chicken feces mixed with water into the feces collecting trough, therefore the pathogen breeding rate is reduced, and the healthy growth of broilers can be guaranteed.

The invention belongs to the technical field of aquatic vegetable planting and particularly relates to a transplanting method for aquatic vegetable brasenia schreberi. The method comprises the following steps: adopting a special degradable planting bag; mixing a base fertilizer, pond sludge and garden soil in a certain ratio and preparing into a matrix; spraying naphthylacetic acid in a certain concentration or rooting powder sold in market onto the roots of brasenia schreberi seedlings or soaking the roots into the naphthylacetic acid or rooting powder; quickly planting into the planting bag on land; compacting the soil and then trussing an upper opening of the planting bag; pulling a pulling rope and carefully sinking the planting bag into a destination water bottom; guaranteeing the upward leaves and stems of the brasenia schreberi. According to the method, a planter does not need to enter water, the labor intensity is effectively relieved and the labor cost is saved; meanwhile, the disturbance to water and bottom sludge is extremely reduced; the seedlings are prevented from floating; the rooting of the brasenia schreberi is boosted; the survival rate of transplanting is increased; the method is beneficial to the quick growth recovery of the brasenia schreberi; the fertility is effectively utilized; the possibility of water eutrophication and moss propagation is reduced; the method is suitable for the brasenia schreberi planters to transplant in large scale and is also suitable for the science researchers to plant in small scale.

The invention relates to a combined emulsifier for aluminum hot rolling oil. The combined emulsifier comprises fatty alcohol polyoxyethylene phosphonate and polyoxyethylene ether fatty amine. The combined emulsifier is capable of emulsifying oil-in-water drops with stable particle sizes and providing a stable lubrication effect when applied to the aluminum hot rolling oil; the rolling oil can be endowed with excellent mixed oil resistance and aluminum powder dispersing performance, aluminum powder can be dispersed and concentrated into an oil phase of the surface and easily removed through the operations, such as skimming, the cleanness of an emulsion is maintained, and good performance of the emulsion is ensured; and the additive amount of oleic acid can be reduced, breeding of microorganisms is inhibited, oily sludge in the rolling process is reduced, and the service life of the emulsion is effectively prolonged.

The invention discloses an external thermal insulation board for a building wall. The thermal insulation board comprises a cement plate decorative layer which is arranged on an external layer, a cement plate base layer which is used for connecting the building wall and a sound-proof thermal insulation interlayer which is connected between the cement plate decorative layer and the cement plate base layer; the cement plate decorative layer is formed by the following components which comprise 95 parts of cement, 4 parts of lepiota brunneo-incarnata powder and one part of butterfly orchid petal powder. The thermal insulation board has the advantages of effectively reducing egg reproduction probabilities of worm, moths and the like at the position of the thermal insulation board, greatly reducing the worm breeding rate, effectively avoiding bird excrement polluting buildings due to the facts that the lepiota brunneo-incarnata powder is added to the cement plate decorative layer and birds hardly stay at building tops and at the modeling design position and being good in sound proof effect and good in thermal insulation effect due to the sound proof thermal insulation interlayer.

The invention discloses a high-strength lightweight environment-friendly composite board and a preparation method thereof. The high-strength lightweight environment-friendly composite board is prepared from the following raw materials in parts by weight: 30-40 parts of polyamide fiber, 6-8 parts of dispersible emulsion powder, 6-8 parts of capsular perlite, 30-40 parts of plant fiber, 5-7 parts ofantibacterial mothproof additive, 18-24 parts of inorganic phosphate adhesive, 2-4 parts of waterproof agent, 1-3 parts of silicon oxide, 10-16 parts of adhesive auxiliary, 10-12 parts of flame retardant additive, and 3-5 parts of zinc stearate. The high-strength lightweight environment-friendly composite board disclosed by the invention is light in weight, high in strength, waterproof and wearable, and has good antibacterial mothproof performance; the material is free from formaldehyde and peculiar smell, and is environmentally friendly; furthermore, the preparation method disclosed by the invention is low in cost, easy to obtain raw materials, concise in process, has higher practical value and good application prospect.

The invention discloses a plastic track thermoplastic elastomer and relates to the field of thermoplastic elastomers. The plastic track thermoplastic elastomer is composed of, by weight part, 25-35 parts of EPDM (ethylene-propylene-diene monomer), 7-13 parts of TPU (thermoplastic polyurethane), 36-44 parts of coral powder, 18-22 parts of naphthenic oil 4006, 3-5 parts of lubricant, 3-5 parts of carbonyl diamide, 1-2 parts of surfactant, 2-4 parts of iodized salt, 14-16 parts of diatomite, 2-3 parts of ultraviolet resistant agent, 2-4 parts of lithium aluminum hydride, 1-3 parts of vermiculitepowder, 2-4 parts of sodium alginate, 2-4 parts of benzalkonium, 1-3 parts of diphenylethane decabromide, 2-4 parts of magnesium hydrate and 0.5-1.5 parts of antimonous oxide. A plastic track made ofthe plastic track thermoplastic elastomer not only has the advantages of high elasticity, high strength, vibration resistance and the like, but also achieves high heat resistance and ageing resistanceas well as powerful fire resistance, thereby being long in service life; beside, the preparation method of the plastic track thermoplastic elastomer is simple and applicable to scale production.

The invention provides a disease prevention method for asparagus roots, and belongs to the field of vegetation disease prevention. The method comprises the steps of land pretreatment, seedling treatment and planting management; land pretreatment comprises the steps that soil turning is conducted on planting land; a nutrient solution is sprayed to the surface of soil after soil turning is conducted; the soil is burnt with a flame thrower after being sprayed with the nutrient solution; the soil is exposed to the sun after being burnt; organic fertilizer is uniformly sprinkled in the soil after exposure to the sun, the soil is covered with a mulching film, and decomposition and fermentation are conducted; digging for planting is conducted after the organic fertilizer is decomposed and fermented. Accordingly, soil turning is conducted to make pests and miscellaneous bacteria in the soil exposed; the nutrient solution is used for luring the miscellaneous bacteria and pests in the soil out and eliminating the miscellaneous bacteria and pests conveniently; exposure to the sun is conducted to further eliminate the pests in the soil; in order to ensure that after the soil is burnt, high density solar ultraviolet is obtained for disinfection, land pretreatment is conducted in the high temperature and less rainfall period.

The invention provides a heat preservation board applied to the outside of a building wall. The heat preservation board comprises an outer cement board decorating layer, a cement board base layer for connecting the building wall, and a sound insulation and heat preservation medium layer which is connected between the cement board decorating layer and the cement board base layer; the cement board decorating layer comprises the following components in parts by weight: 95 parts of cement, 4 parts of lepiota brunneoincarnata powder, and 1 part of jackfruit peel powder. With the adoption of the heat preservation board applied to the outside of the building wall, the probability that insects, moth and the like lay eggs and breed at the heat preservation board can be effectively decreased, and thus the breeding rate of insects is greatly reduced; in addition, lepiota brunneoincarnata powder is added to the cement decorating layer of the heat preservation board, so that birds staying at the top part of a building and the model design part are greatly decreased, and as a result, the building can be effectively avoided from being polluted by bird feces; simultaneously, the sound insulation and heat preservation medium layer brings outstanding sound insulation effect and good heat preservation effect.

The invention discloses a multifunctional heat insulation board. The multifunctional heat insulation board comprises a cement slab decoration layer located on an outer layer, a cement slab base layer for connecting a building wall and a sound insulation and heat insulation interlayer connected between the cement slab decoration layer and the cement slab base layer, wherein the cement slab decoration layer is composed of, by weight, cement 95 parts, Lepiota brunneoincarnata powder 4 parts and tender salix leaf powder 1 part. The multifunctional heat insulation board can effectively reduce the egg reproduction possibility of insects, moths and the like at the insulation board position and accordingly reduces the worm breeding rate greatly. In addition, after adopting the multifunctional heat insulation board added with the Lepiota brunneoincarnata powder in the cement slab decoration layer, birds rarely stop and stay at the tops of buildings and the style design positions, and the bird droppings are effectively prevented from polluting the buildings. Furthermore, the sound insulation and heat insulation interlayer is very excellent in sound insulation effect and good in heat insulation effect.

The invention discloses a household multi-control fire exit door. The household multi-control fire exit door comprises a door frame and a fire exit door body; the fire exit door body is located in thedoor frame, and a drainage mechanism is arranged at the position, close to the lower end, of the inner surface of the door frame; a maintenance mechanism is arranged at the upper end of the inner surface of the door frame; and the drainage mechanism comprises a first water storage cavity, a second water storage cavity, a water outlet hole and a cleaning mechanism. According to the household multi-control fire exit door, by arranging the drainage mechanism, accumulated water in a hospital can be drained out of the hospital in time through the interior of the door frame, so that the influence of the accumulated water in the hospital on normal access of personnel and the probability of bacterium breeding are reduced, and the health of the personnel is guaranteed while time and labor are saved; and the maintenance mechanism is controlled by an adjusting control system, the fire exit door body with rust marks and dust stains on the surface can be cleaned in time, meanwhile, the surface ofthe fire exit door body can be coated with flame-retardant paint, therefore safety of the fire exit door body is improved, and the service life of the fire exit door body is prolonged.

The invention discloses composite type toughened glass. The composite type toughened glass comprises a mounting frame, a first piece of toughened glass and a second piece of toughened glass, wherein both the first toughened glass and the second toughened glass are arranged inside the mounting frame; the position, close to the front end, of the inner surface of the mounting frame is equipped with an outer clearing mechanism; and a light shading mechanism is arranged inside the mounting frame. The outer clearing mechanism is arranged, so that a worker can clear the first toughened glass inside an office building at any time, and thus, good guarantee is provided for body health of the worker while indoor light effect and environment cleanness are improved; and the light shading mechanism is arranged, so that the worker can timely adjust light transmission effect of a toughened glass window according to the needs, and thus, a good working environment is provided for the worker and work efficiency of the worker is improved while bacteria breeding probability is reduced relative to a conventional suspended curtain.

The invention discloses a heat insulation plate. The heat insulation plate comprises a cement plate decoration layer located on an outer layer, a cement plate base layer for being connected with a building wall and a sound insulation and heat insulation middle layer connected between the cement plate decoration layer and the cement plate base layer. The cement plate decoration layer is formed by, by weight, 95 parts of cement, 4 parts of lepiota brunneoincarnata powder and 1 part of cortex meliae powder. The heat insulation plate can effectively reduce the probability of egg reproduction of insects, moths and the like at the position of the heat insulation plate, and the worm breeding rate is greatly reduced; after the heat insulation plate with the lepiota brunneoincarnata powder added into the cement plate decoration layer is adopted, fewer birds can stop at the building top and the style design position, and the pollution to a building caused by bird excrement is effectively avoided. The sound insulation and heat insulation middle layer is extremely remarkable in sound insulation effect and good in heat insulation effect.

The invention relates to the technical field of papermaking, and provides a preparation method of mildew-proof glass spacing paper in order to solve the problem that existing glass spacing paper is poor in mildew-proof effect. The method comprises the following steps: (1) preparing raw paper: chemically soaking bleached softwood pulp and bleached hardwood pulp, and pulping; mixing the bleached chemical pulp, a filler and cationic starch, filtering with clear water, dehydrating with a net part, soaking in a mildew-proof network polymer, squeezing and drying to obtain raw paper; and (2) coatinga hydrophobic layer: coating the surface of raw paper with the hydrophobic modified polymer, drying, and carrying out hot pressing to obtain a finished product. The glass spacing paper has better hydrophobicity and waterproofness; compared with the prior art, the anti-mildew agent in the paper is sealed in the network polymer, the cross-linking degree is improved, the anti-mildew agent is prevented from being separated as much as possible, the anti-mildew agent is gradually released only when the water content in the paper is increased, waste caused by premature release of the anti-mildew agent is avoided, and high density, high strength and high surface smoothness are achieved.

The invention relates to the technical field of medical supplies, in particular to an elastic bandage; comprising an elastic base layer, polypropylene film layers are arranged on both sides of the elastic base layer, and a bacteriostatic layer is provided on the outer surface of the polypropylene film layer, and the bacteriostatic layer is Graphene antibacterial layer, nano-silver is adsorbed in the graphene antibacterial layer, there is a layer of bamboo fiber weaving layer between the antibacterial layer and the polypropylene film layer, between the elastic base layer, the polypropylene film layer and the antibacterial layer It is bonded by medical-grade hot-melt pressure-sensitive adhesive; the surface of the elastic bandage in the present invention has several bumps, which increases the gap between the elastic bandage and the skin, improves air permeability, and reduces secondary infection The risk of bacterial growth is reduced, and it is safer to use. The elastic base layer is made of polyurethane spandex and bamboo fiber. Improved contraction resilience of elastic bandages.

The invention discloses an intelligent filth barrel for old people nursing, and relates to the technical field of old people nursing. The intelligent filth barrel comprises a box body and a control console; the control console is mounted on one side of the box body, a bottom support mechanism is mounted at the bottom of the box body, the bottom support mechanism is composed of a bottom cover, a track and driving wheels, and symmetrical grooves are formed in the bottom of the bottom cover; a driving wheel is installed in the groove, the track is arranged at the bottom of the driving wheel and is matched with the driving wheel, and an uncovering mechanism is installed at the top of the box body, so that convenience can be effectively provided for the problem that old patients get up at night due to too much saliva, the getting-up frequency is reduced, the peculiar smell of a room is reduced, and subsequent cleaning is facilitated; moreover, breeding of mosquitoes is eradicated to a certain extent, and collected filth can be disinfected in a centralized mode.

The invention discloses a preservative method of haematococcus pluvialis pulp or mashed haematococcus pluvialis. The method specifically comprises the following steps that firstly, the pH value of thehaematococcus pluvialis pulp of which the concentration is 3g / L-10g / L is regulated with an acid and an alkali to be smaller than or equal to 6, then 0.05%-0.5% of a frequently-used preservative is added to the haematococcus pluvialis pulp, uniform mixing is performed, after 3 days, any colonies are not found to be formed, the haematococcus pluvialis pulp is not rotten or generates bad smell, andthrough microscopic examination, haematococcus pluvialis cells are found to be complete without rupture. According to the preservative method disclosed by the invention, the condition that haematococcus pluvialis liquid is rotten or generates bad smell in the process of concentration or before spray drying can be effectively avoided, the condition that the haematococcus pluvialis cells are damagedand ruptured is also avoided, the product quality cannot be influenced, and the preservative method is low in cost and simple in operation flows.

The invention provides an intelligent face recognition lock which comprises a lock shell, a display screen, a camera, a multifunctional key, an image processing module and a lock control mechanism, wherein the display screen, the camera and the multifunctional key are arranged on the lock shell; the image processing module and the lock control mechanism are arranged in the lock shell; the image processing module is electrically connected with the camera, and connected with the lock control mechanism in series; and the image processing module is used for driving the camera, carrying out featureextraction, storage and matching on the facial image data collected by the camera, and transmitting the matching result to the lock control mechanism through serial port communication to realize opening and closing of the lock. The intelligent face recognition lock is simple in structure, low in energy consumption and simple and convenient to operate, adopts a non-contact face recognition mode, and realizes quick opening and closing by collecting and matching face image information.

The invention relates to the technical field of aquaculture feed, in particular to PHA-enriched bait for sea cucumber. Sea cucumber can be fed with the bait which is a compound of sea mud and large seaweed powder, so that a large amount of mud is formed at the bottom of a breeding pond, and normal growth of sea cucumber is affected seriously. In order to solve the problem, the invention provides the PHA-enriched bait for sea cucumber, the bait includes the following ingredients: PHA, seaweed, scallop skirts, dried malus micromalus, dry powder of lactic acid bacteria and dry powder of Rhodotorula benthica. The bait for sea cucumber is prepared from the biodegradable material PHA instead of a sea mud component in traditional sea cucumber bait, has a tight structure and no easy loosening, thesea cucumber bait which is not swallowed by sea cucumber is deposited on the bottom of a farm after being put into the farm, and the PHA in the sea cucumber bait at the bottom of the farm can be biodegraded and transformed into CO2 and water, so that the problem that the bottom of the breeding pond needs regular cleaning in the sea cucumber artificial breeding industry is solved, manpower and material resources are saved, and a good application prospect is achieved.

The invention discloses a novel method for transporting culter living bodies remotely. The novel method comprises the steps of control on transportation water body, rapid cooling treatment, rapid heating treatment, microcapsules adding in a transport tank and other aspects of control. The novel method for transporting the culter living bodies remotely has the advantages that from many aspects suchas culter itself, environment control and the like, the culter body surface has no damage, the survival rate of the culter transportation is effectively improved (reaching up to 90% or above), the sales appearance of the culter is improved, and the freshness of the culter is kept.

The invention discloses a medical nasal feeding tube cleaning device, and belongs to the field of medical instruments. According to the medical nasal feeding tube cleaning device, through mutual cooperation between a magnetic cleaning ring and a magnetic control cleaning ball and reciprocating circulation of the magnetic control cleaning ball in a nasal feeding tube, adherents on the inner wall of the nasal feeding tube are sucked and collected through extrusion through the magnetic control cleaning ball, a traditional high-pressure flushing mode is abandoned, on the premise that damage to the wall of the nasal feeding tube is reduced, cleaning of the adherents on the tube wall is achieved, the service life of the nasal feeding tube is effectively prolonged, the risk of repeated use of the nasal feeding tube is reduced, meanwhile, through mutual cooperation of a telescopic detection air bag and the magnetic control cleaning ball and observation of color changes of the magnetic control cleaning ball, whether the nasal feeding tube has cracks or not can be judged, crack detection is conducted on the nasal feeding tube, the use hidden danger of the nasal feeding tube is effectively reduced, and after the cleaning work is completed, repeated utilization of the magnetic control cleaning ball can be realized through heating and demagnetizing cleaning.

The invention discloses a household environment-friendly intelligent sorting trash can, which relates to the technical field of domestic waste treatment. The invention comprises an outer barrel; the inner wall of the outer barrel is respectively fixedly connected with a limit ring and a support frame; the inner wall of the limit ring is fixedly connected with a dehydration barrel through a bearing; the inner wall of the dehydration barrel is fixedly connected with a clamping seat; One end of the two telescopic rods is fixedly connected with a power plate; one surface of the power plate is movably connected with the card seat; one surface of the support frame is fixedly connected with an electric push rod; one end of the electric push rod is fixedly connected with a pressure sensor; one surface of the pressure sensor is fixedly connected with a spacer plate. Through the design of the crushing roller, the compression roller, the waste water drawer, the pressure sensor and the dewatering bucket, the present invention enables the trash can to perform the processes of pre-crushing, dewatering and compressing the garbage in sequence during the garbage disposal, so as to achieve the elimination of kitchen waste. The purpose of waste reduction treatment.

The invention discloses a semiconductor refrigeration device, which belongs to the technical field of semiconductor refrigeration. The invention includes a box body and a refrigeration assembly facing the interior of the box for cooling; the refrigeration assembly has at least one semiconductor refrigeration sheet, and the semiconductor refrigeration sheet A metal heat sink is attached to the cooling end of each metal heat sink; an airflow channel is formed on the surface of each metal heat sink, and the two ends of the metal heat sink are connected through a main pipe, and a circulation pump and a dehumidification mechanism are arranged on the main pipe. The air circulation in the air flow channel and the main pipeline air-dries and sucks the condensed water on the surface of the metal radiator. The invention has the beneficial effects of being able to avoid the accumulation of condensed water on the outer wall of the metal heat sink, reducing the risk of corrosion, high reliability, beneficial to prolonging the service life of the metal heat sink, and low maintenance and repair costs.

The invention discloses a heat insulation plate connected to a building outer wall. The heat insulation plate comprises a cement plate decoration layer located on an outer layer, a cement plate base layer for being connected with a building wall and a sound insulation and heat insulation middle layer connected between the cement plate decoration layer and the cement plate base layer. The cement plate decoration layer is formed by, by weight, 95 parts of cement, 4 parts of lepiota brunneoincarnata powder and 1 part of lucerne powder. The heat insulation plate can effectively reduce the probability of egg reproduction of insects, moths and the like at the position of the heat insulation plate, and the worm breeding rate is greatly reduced; after the heat insulation plate with the lepiota brunneoincarnata powder added into the cement plate decoration layer is adopted, fewer birds can stop at the building top and the style design position, and the pollution to a building caused by bird excrement is effectively avoided. The sound insulation and heat insulation middle layer is extremely remarkable in sound insulation effect and good in heat insulation effect.

The invention discloses a magnetic oxygen-carbon tank integrated buffer device special for a train and relates to a magnetic oxygen-carbon tank integrated buffer device. At the present, buffer devices in two adjacent carriages of the train are complex in structure and simplex in function; meanwhile, passengers or article stacking in the carriages is dense, so that the quality of air in the carriages is poor, the purification cost is high, and ventilation and purification of the air in the carriages are difficult to ensure. A buffer is arranged in a coupler tail frame; one end of a train coupler is a hanging end, and the other end of the train coupler is a fixing end; the fixing end of the train coupler is hinged into the coupler tail frame through a coupler tail pin and connected with one end of the buffer through a rear follower plate, and the other end of the buffer is fixedly connected with the inner wall of the coupler tail frame through a front follower plate; a front ventilation piece is fixedly connected with the outer wall of the coupler tail frame, and the hanging end of the train coupler is detachably connected with the front end of a rear ventilation piece; and a magnetic oxygen-carbon tank machine is arranged in the rear carriage of the train and communicates with the rear end of the rear ventilation piece. The magnetic oxygen-carbon tank integrated buffer device special for the train is used for purification of the air in the carriages and buffering among the carriages.

An antibacterial steering wheel comprises a steering wheel main body; the steering wheel main body is a hollow annular structure; the steering wheel main body is provided with at least one antibacterial mechanism; the antibacterial mechanism comprises an outer shell and a side shell; the outer shell and the side shell are both provided with uniformly distributed through holes; a heat radiation fan is also mounted on the antibacterial mechanism; and the fan is mounted within the steering wheel main body. The antibacterial mechanism is filled with nano-antibacterial materials. According to the antibacterial steering wheel, a micro fan is mounted in the steering wheel main body, the antibacterial mechanism is mounted on the steering wheel main body, the antibacterial mechanism comprises the outer shell and the side shell and the outer shell and the side shell are both provided with the uniformly distributed through holes, the ventilation performance of the whole steering wheel is enhanced, the breeding rate of bacteria is reduced and the hand sweating frequency is reduced; and more important, the antibacterial mechanism is filled with the nano-antibacterial materials, the antibacterial effect of the antibacterial steering wheel is very obvious.