52results about How to "Solve breeding problems" patented technology

The invention relates to a water-soluble sulfonated / quaternized chitosan of which the structural formula is shown in the specification. The water-soluble sulfonated / quaternized chitosan provided by the invention is a multifunctional water treatment agent which simultaneously contains an anionic sulfonic acid group and a cationic quaternary ammonium group. Compared with the chitosan raw material, the functions of the water-soluble sulfonated / quaternized chitosan are increased, the water-soluble sulfonated / quaternized chitosan can be used in the treatment of industrial water and waste water to simultaneously solve the problems of scaling and microbe multiplication, and the anti-scaling and sterilization effect is improved by about 50-60%. In the structural formula, n is average degree of polymerization, and n is larger than or equal to and is smaller than or equal to 200.

The embodiment of the invention discloses an air fresh water generator, which comprises a main body bracket, a water making system, a water purifying system and a water distributing system. Both sides and the rear side of the main body bracket are provided with baffle plates, and the baffle plates are provided with ventilating grates capable of inputting and exhausting air; the water making system is arranged inside the main body bracket and particularly comprises a condenser, an exhaust fan and a water collecting cylinder, wherein the water collecting cylinder is arranged on the main body bracket and positioned at the lower end of the condenser, and the exhaust fan is arranged between the condenser and the ventilating grates; the water purifying system is arranged inside the main body bracket and particularly comprises a water pump and a filtering device; one end of the water pump is connected with the water collecting cylinder through a pipeline, and the other end of the water pump is connected with the filtering device through a pipeline; and the water distributing device is arranged on the main body bracket, and the water distributing device is connected with a water outlet ofthe filtering device through a pipeline. The air fresh water generator only needs a water tank, and water is directly delivered to the water distributing device after being filtered, is not stored and directly drunk, which completely solves the problem of pollution and bacterial growth when pure water is stored.

The invention relates to the sewage treatment field, and particularly relates to a quick-start unpowered biologically enhanced constructed wetland system suitable for treating domestic sewage and waste water in small towns. The constructed wetland system comprises: (1) a sand basin; (2) a suspending biological packing bed, wherein an impermeable membrane is paved on the bottom of the bed; a pebble bed is paved over the impermeable membrane; suspending biological packing is arranged over the pebble bed; and the mixture of volcanic packing, ceramsite packing and soil is paved over the suspending biological packing; (3) a biological treatment subsurface wetland, wherein the bottom layer of the biological treatment subsurface wetland is an impermeable layer; a pebble bed is paved over the impermeable layer; a volcanic packing layer is paved over the pebble bed; and earthworms are put in the area; and (4) a surface wetland. The system can effectively shorten the start time of the existing constructed wetland, improve the treatment efficiency at the start stage, solve the problem of blockage of the subsurface wetland and reduce the energy consumption of the water treatment process; and the system emphasizes the visual effect of plant arrangement and the role of soil animals in water treatment.

The invention relates to an integrated high propagation method of water planting of virus-free potato seeds and seedlings. The method comprises the steps that a multiplication technology of the water-planting virus-free seedlings and a water planting production technology of the seedlings and the seeds are integrated, and the concentration of nutrient solution components, the light quality of a supplementary light source, hormone components, seedling cutting times and the like are optimized at the same time. According to the method, the stability and security are high, operation and daily management are simple and convenient, the maintenance and production costs are low, the sound seedling index of water-planting potato plants are significantly improved, the yield and quality of the seedlings and mini-potato are improved, the plant propagation coefficient is enlarged, the production cycle of the mini-potato is shortened, and the method is of great importance in breeding of the potato seeds and seedlings.

The invention provides a carex brunnescens seed germination method. The method comprises the steps as follows: after carex brunnescens seeds are washed and aired, seed coats are broken with a mechanical treatment method and an acid or alkaline solution soaking method, disinfection is performed with an ethanol solution after washing, then, seeds are soaked with distilled water and soaked with a gibberellic acid solution with concentration of 50-200 mg / L, meanwhile, temperature change tretament adopting 25 DEG C and 5 DEG C high / low temperature alternation is performed, and a germination test isconducted. The germination rate of the carex brunnescens seeds is increased, the germination rate after 10 d of germination reaches 47.9%-65.1%, seeds germinate uniformly, the germination time is shortened, the problem of breeding of carex brunnescens in Maqu cold upland is solved, the biological desertification prevention and control cost is reduced, the method has great significance in shortening the restoration time of deteriorated grassland, reducing original vegetation deterioration and improving sand stabilization effect, and new research prospects are opened up for technical approachesof exploring ecological restoration of deteriorated grassland in the cold upland.

The invention discloses a saline-alkali soil improvement method. The method includes steps: (1) soil measurement; (2) calculation of applying amount of desulfurized gypsum, coal ash and biogas slurry; (3) laying of the desulfurized gypsum and the coal ash; (4) applying of the biogass slurry. By adoption of the method for saline-alkali soil improvement, the desulfurized gypsum, the coal ash and the biogas slurry which cause environment pollution are consumed effectively to realize waste recycling while soil planting conditions are improved, and especially, the current difficult problem of soil salinization in China is solved to some extent. Therefore, the saline-alkali soil improvement method has enormous economic benefits and social benefits.

The invention provides a tea bar machine hydrogen dissolving machine core which comprises a hydrogen making unit, a hydrogen dissolving unit and a control unit. A hydrogen output pipeline of a hydrogen electrolysis cell is connected with a hydrogen purification unit, the hydrogen purification unit is connected with a first tee valve, the other pipeline of the first tee valve is connected with a water source, the hydrogen dissolving unit comprises a diaphragm self-priming pump and an ion permeable membrane filter element or hollow fiber filter element, the last pipeline of the first tee valve is connected with the diaphragm self-priming pump, the diaphragm self-priming pump is connected to the ion permeable membrane filter element or hollow fiber filter element, a check valve is arranged ona water outlet pipeline of the hydrogen dissolving unit, the water outlet pipeline is connected with a pressure barrel through a second tee valve, a normally open solenoid valve is arranged between the check valve and the pressure barrel, the other pipeline of the second tee valve is connected with a bottom water feeding kettle, and a normally closed solenoid valve is arranged between the pressure barrel and the bottom water feeding kettle. The invention further provides a working method and an application of the tea bar machine hydrogen dissolving machine core. The hydrogen dissolving machine core has the advantages that hydrogen is physically dissolved, and the machine core is safe and secure and convenient in heating.

The invention discloses a sterilization water nozzle, a sterilization faucet and a water purification, sterilization and bacteriostasis method. The sterilization water nozzle comprises a water nozzle body, a deep ultraviolet LED, a water flow generating set, an electricity storage device and an electric control panel. The deep ultraviolet LED is arranged at a water outlet of the water nozzle body, the water flow generating set is located in the water nozzle body, and the deep ultraviolet LED, the water flow generating set and the electricity storage device are electrically and respectively connected with the electric control panel. The deep ultraviolet LED in the sterilization water nozzle utilizes water flow to carry out self-generating of electricity and sterilization on a water nozzle cavity, and breeding of bacteria at the outer end of a gate of the faucet is avoided.

The invention belongs to the field of paint and particularly discloses a preparation method of antibacterial nano latex paint for interior walls. Firstly, a precursor colloidal solution of a silver / titanium dioxide nanotube is prepared; a precursor product obtained through spinning is immediately cooled after electrostatic spinning, then put into a muffle furnace and sintered at a constant temperature, and the silver / titanium dioxide nanotube is obtained; the silver / titanium dioxide nanotube is dispersed in water under the condition of stirring, and propylene glycol, a coalescing agent, a wetting agent, a preservative, hydroxyethyl cellulose and a dispersing agent are added and stirred in a grinder to be mixed uniformly; titanium dioxide, triple superphosphate, kaolin and talc powder are added and sufficiently ground in a high-speed grinder, and an acrylic emulsion, a defoaming agent and a thickening agent are added; finally, the mixture is stirred to be uniformly mixed in the grinder, filtered and packaged in barrels, and a finished product of the antibacterial nano latex paint for the interior walls is obtained. The antibacterial nano latex paint for the interior walls is aimed to solve the problem of breeding of bacteria on interior walls of a room and mildewing of the interior walls due to humid weather lasting for a long time.

The invention discloses a yogurt machine module and a refrigerator with the same. The yogurt machine module is arranged in the refrigerator. The yogurt machine module comprises a yogurt machine used for preparing yogurt and a middle beam used for mounting the yogurt machine in the refrigerator; the yogurt machine comprises a holding box, at least one yogurt storage vessel placed in the holding box, and a heating device connected with the holding box, and the heating device comprises a heating mechanism used for heating and a connecting wire used for supplying power for the heating mechanism; the middle beam comprises a beam body connected with the refrigerator and a cover board connected with the yogurt machine, and the beam body and the cover board form a wire storage chamber for holding the connecting wire in a surrounding mode. Through arranging the yogurt machine module matched with the refrigerator, the refrigerator has a yogurt preparing function, and the preparation steps are simplified for a user. The yogurt machine module and refrigerator solve the problem of microorganism breeding of the yogurt due to doing not refrigerate timely, solve the problem that the continuous fermentation of the yogurt influences mouth feel, and optimize the yogurt quality and mouth feel.

The invention discloses a livestock breeding feed mixing device capable of cleaning residual feed on the inner wall and a using method, which relate to the field of livestock breeding. The livestock breeding feed mixing device comprises a feed mixing box, feeding hoppers are arranged on the two sides of the feed mixing box, a guide block is fixedly installed on the upper portion of an inner cavity of the feed mixing box, and a smashing roller is rotationally connected to the top wall of the inner cavity of the feed mixing box, and a mixing cylinder is fixedly arranged in the middle of the inner cavity of thefeed mixing box. According to the livestock breeding feed mixing device capable of cleaning residual feed on the inner wall and the using method, a second motor drives a rotating cylinder to rotate, the rotating cylinder and a mixing roller are used in cooperation, feed is mixed, under the action of centrifugal force, the feed is spilled out from feed scattering holes and is discharged, and the inner wall of the mixing cylinder is cleaned by the scraping plate while the rotating cylinder rotates, so that the purpose of cleaning the residual feed is achieved, and the problem that bacteria are bred due to the fact that the feed is left on the inner wall of an existing feed mixing device in the background technology and the feed is not cleaned for a long time is solved.

The invention discloses a saline-alkali land improvement method. The saline-alkali land improvement method comprises the steps of: diluting a liquid saline-alkali soil pH conditioner in 500-800 timesby using water, so that a pH conditioning diluent is obtained, and uniformly spraying the pH conditioning diluent on the surface of a saline-alkali land, wherein the application amount is 2-5 Kg / mu; performing soil measurement, and measuring the volume weight and the alkalisation degree of soil to be improved; and, deeply ploughing and levelling the saline-alkali land according to the volume weight and the alkalisation degree of the soil to be improved, performing salt drainage by a concealed pipe on the levelled saline-alkali land, after the concealed pipe is paved, performing irrigation on the saline-alkali land, and applying a soil oriented conditioner onto the processed saline-alkali land. According to the saline-alkali land improvement method in the invention, the soil is improved byadoption of an improver in the invention; biogas slurry, coal ash and desulfurized gypsum polluting the environment are effectively consumed, and changed into treasure; furthermore, the planting condition of the soil is improved; and in particular, the current key problem in our country, namely salinization of soil, can be solved to a certain degree.

The invention discloses a gene editing tobacco single plant hydroponic device and a hydroponic method. The gene editing tobacco single plant hydroponic device comprises a hydroponic cup (4), a field planting cup (3), a water absorption line (7) and a water level observation pipe (8), wherein a hydroponic cup cover (2) is arranged at the top of the hydroponic cup (4), the field planting cup (3) is fixed on the upper part of the hydroponic cup (4) through the hydroponic cup cover (2), and tobacco seedlings (1) and a substrate for culturing the tobacco seedlings (1) are loaded in the field planting cup (3); the water level observation pipe (8) is positioned in the hydroponic cup (4) and is used for observing the water level height of a nutrient solution (5) in the hydroponic cup (4); and the hydroponic cup (4) and the hydroponic cup cover (2) are black and light-proof. A single-plant hydroponic device is constructed, a nutrient solution of each plant is independently added, exchange and sharing of the nutrient solution among plants are avoided, and cross infection of tobacco diseases due to nutrient solution exchange is prevented. In addition, the problem of breeding of hydroponic green algae is solved by selecting a light-proof material or coating a shading material.

The invention discloses a sausage casing drying device which comprises a box body; a moisture removing fan is arranged on the right surface of the box body; a fan shaft is arranged in the moisture removing fan; fan blades are arranged on the fan shaft; a ventilating duct is arranged on the right sides of the fan blades; a heat pump drying external unit is arranged below the ventilating duct; exhaust outlets are formed in the right surface of the heat pump drying external unit; and a copper tube connector is formed in the middle of the left end of the heat pump drying external unit. The sausage casing drying device is scientific and reasonable in structure and safe and convenient to use; eight rotatable sausage casing carrying racks are arranged in a drying box, are connected with top motors through shafts and can keep rotating all the time, sausage casings are heated uniformly, the drying time required is shortened, the surfaces of the sausage casings are fully dried, but no coking is caused due to too long drying time, so that the problem of microbe multiplication due to the fact that the interiors of the sausage casings are not breathable owing to sausage casing surface coking is solved, and the quality of the sausage casings is guaranteed.

The invention discloses a water purification machine and a water storage bucket structure thereof. The water storage bucket structure of the water purification machine comprises a water storage bucket (8) and further comprises an ozone disinfection device (11) for delivering ozone to the water storage bucket (8). According to the water storage bucket structure, the ozone is delivered to the water storage bucket through the ozone disinfection device, the operation of sterilizing and disinfecting the inside of the water storage bucket is achieved, the problem of bacterial breeding in the long-term usage process of the water storage bucket is solved, the replacement times of the water storage bucket are decreased, and further the usage cost of a user is reduced. In addition, the ozone which is dissolved in water can also sterilize the inside of a pipeline of the water purification machine through a water outlet of the water storage bucket, and further the quality of purified water is improved.

The invention relates to hemodialysis water production equipment with a main machine capable of being thermally disinfected. The hemodialysis water production equipment comprises a raw water pump, a quartz sand filter, an activated carbon filter, a softening filter, a precision filter, a first heater, a balancer, a first-stage high-pressure pump, a first-stage reverse osmosis membrane system, a second-stage high-pressure pump, a second-stage reverse osmosis membrane system, a second heater, a hot disinfection water tank, a circulating pipeline and a ward pipeline. According to the hemodialysis water production equipment , a sanitary reverse osmosis membrane element capable of performing thermal disinfection is adopted, two heaters consisting of a plurality of electric heating rods are additionally arranged in the equipment to heat water flow in a pipeline, and hot water at 85-90 DEG C is adopted to perform thermal disinfection or chemical disinfection on a reverse osmosis system pipeline and a reverse osmosis membrane; through temperature compensation, an electric heater heats the water flow in the pipeline by 10-15 DEG C, so that the problem that the water yield of the reverse osmosis system is reduced due to too low temperature of tap water in winter is also solved; the host pipeline microbial and bacterial breeding problem is solved; and a new type of valve is adopted in an equipment pipeline, the mute effect is achieved, and the problem that equipment noise is large is solved.

The invention discloses a saline-alkali soil improver. The saline-alkali soil improver is prepared from the following components in parts by weight: 10 to 20 parts of desulfurized gypsum, 3 to 4 partsof phosphogypsum, 0.2 to 0.6 part of sulfur, 3 to 6 parts of humic acid, 2 to 5 parts of furfural residues, 2 to 4 parts of biogas slurry and 3 to 5 parts of fly ash. The saline-alkali soil improveris used to improve soil; biogas slurry, fly ash and desulfurized gypsum, which pollute the environment, are effectively consumed and turned into resources, the planting conditions of the soil are improved at the same time, the current important problem of soil alkalization in China is solved to a certain extent, and the saline-alkali soil improver generates huge economic benefits and social benefits.

The invention relates to water treatment, and provides a filter faucet with an LED bactericidal lamp device. The filter faucet comprises a faucet body, a filter core, a connecting pipe, a three-inletand two-outlet valve, a water outlet pipe and an LED bactericidal lamp water nozzle; the lower part of the faucet body is provided with a cold water inlet channel and a hot water inlet channel, and the three-inlet and two-outlet valve comprises a valve body, and first water inlet, a second water inlet, a third water inlet, a valve core, a first water outlet and a second water outlet which are arranged on the valve body; one end of the connecting pipe is removably and hermetically connected to the upper part of the faucet body, and a cavity for holding the filter core is formed by the connecting pipe and the upper part of the faucet body; the filter core is arranged in the cavity formed by the connecting pipe and the upper part of the faucet body in a penetrating manner, and a water inlet of the filter core is hermetically connected to a first hollow cylinder of the faucet body in a pluggable manner; and a water outlet of the filter core is hermetically connected to an inner pipe of thewater outlet pipe in a pluggable manner, and clear water filtered through the filter core is delivered through the inner pipe of the water outlet pipe. According to the filter faucet, the problems ofthe complex structure, inconvenient use and high manufacturing cost of an existing water purifying faucet are solved.

The invention relates to a sterilizing module for a refrigerator. The sterilizing module comprises a housing and a sterilizing component arranged in the housing, wherein the housing comprises a box body which is open at one end and a cover body which is detachably matched with the box body, a vent hole is formed in the box body, the sterilizing component comprises tourmaline in massive distribution and nano-silver is attached on the surface of the tourmaline. By adopting the sterilizing module provided by the invention, the problem of breeding of bacteria in the refrigerator can be solved, the activity of an enzyme in the metabolic process of vegetables and fruits can also be inhibited, the generation of ethylene is reduced, and the sterilizing module is conductive to preservation of the fruits and vegetables; and in addition, the sterilizing component has no energy consumption and is a green and environment-friendly material.

The invention relates to the technical field of water treatment equipment, and discloses a household direct drinking device, which includes a water inlet pipe, a tank body, and a water outlet pipe connected in sequence. The inner cavity of the tank body is sequentially provided with a PP cotton filter layer, an ultrafiltration filter layer, and an ultrafiltration filter layer. membrane and activated carbon filter layer, both ends of the inner wall of the tank are provided with horizontally opposite sliding rods, the two ends of the ultrafiltration membrane are slidably connected to the sliding rods, and the upper end of the sliding rods is fixed with a shrinkable air bag with a built-in solid fungicide. There is a contraction opening, and several aluminum balls with through holes are arranged in the cavity formed between the PP cotton filter layer and the ultrafiltration membrane. There is also a pipe on one side of the outer wall of the tank, and one end of the pipe is open to communicate with the PP filter. The cavity formed between the cotton filter layer and the ultrafiltration membrane, and the opening at the other end of the pipeline communicates with the cavity above the activated carbon filter layer. The present invention intends to provide a household direct-drinking device to solve the problems of difficulty in filtration and bacterial growth caused by gradual reduction of filter cake porosity in existing direct-drinking machines.

The invention discloses antibacterial medical drainage polyurethane foam and a preparation method thereof. The antibacterial medical drainage polyurethane foam is prepared from the following raw materials in parts by weight: 100 parts of polyether polyol, 1.2 to 3.5 parts of an organic silicon foam stabilizer, 1 to 15 parts of a foaming agent, 0.1 to 1 part of tannic acid, 0.1 to 0.6 part of imidazolidinyl urea, 0.5 to 6 parts of sulfadiazine silver, 1 to 10 parts of chitosan, 35 to 65 parts of toluene diisocyanate, 0.1 to 0.5 part of amine catalyst, 0.10 to 0.70 part of a zinc catalyst and 1 to 6 parts of water. According to the antibacterial polyurethane foam disclosed by the invention, various antibacterial agents such as chitosan, tannic acid and sulfadiazine silver are selected, oxygen active sites are provided for the polyurethane foam, so the polyurethane foam has an antibacterial property, meanwhile, the polyurethane foam has excellent biocompatibility, no teratogenic effect, no anaphylactic reaction and excellent anticoagulant performance; a toxicity test result show that the polyurethane foam meets medical requirements; and the te polyurethane foam has the advantages of excellent toughness and elasticity, good processability, various processing modes and the like.

The invention discloses a pile foundation type offshore breeding platform. The pile foundation type offshore breeding platform comprises one or more cylindrical breeding net cages, wherein each cylindrical breeding net cage is horizontally arranged between every two rows of pile foundation vertical columns; the pile foundation vertical columns in each row are arranged in a spacing manner; a supporting platform is arranged at the tops of one part of the pile foundation vertical columns, and winches are arranged at the tops of the other part of the pile foundation vertical columns and the supporting platform; each cylindrical breeding net cage is hung by the corresponding winches on two sides of the cylindrical breeding net cage; a rope of each winch surrounds the corresponding cylindrical breeding net cage through a plurality of guide wheels; the winches on the two sides of each cylindrical breeding net cage can extend / retract the ropes at the same time, and the horizontal position of the corresponding cylindrical breeding net cage is elevated or lowered; the winch on one side of each cylindrical breeding net cage is used for extending / retracting the corresponding rope; each cylindrical breeding net cage rotates around the central axis of the corresponding cylindrical breeding net cage; and a net cage axial spacing structure is arranged between each pile foundation vertical column and the corresponding cylindrical net cage. The pile foundation type offshore breeding platform disclosed by the invention can be adapted to offshore deep water adverse marine conditions, so that the rotation airing and fishing lifting of net cages can be realized, the economy is good, and the pile foundation type offshore breeding platform is an offshore breeding platform being good in functions.

The invention discloses a high-yield and high-efficiency cultivation method for improving the survival rate of radix bupleuri by intercropping corn and radix bupleuri. The method comprises the steps of land selection, soil preparation, fertilization, corn planting and field management, radix bupleuri seed treatment, radix bupleuri sowing time management, radix bupleuri sowing method management, radix bupleuri fertilization, field management and radix bupleuri harvesting. Planting of the radix bupleuri is taken as the principal thing, the radix bupleuri is intercropped with the corn in the first year, and the fleshy roots of the radix bupleuri are harvested in the second year. A cultivation mode of intercropping the radix bupleuri and the corn is adopted, the requirement that the radix bupleuri is shade-loving in the seedling stage and is photophilous in the middle and later periods is fully met, the emergence rate and survival rate of the radix bupleuri are increased, and the yield isgreatly increased. The corn and the radix bupleuri are intercropped, the land coverage rate is increased due to the planting of the corn in the seedling stage of the radix bupleuri, the growth of field weeds is effectively reduced, the problem of breeding of single-cropping weeds of the radix bupleuri is solved, the investment of labor force is reduced, and the method is a light and simple planting mode. The principles of complementary advantages and balanced utilization of nutrients are fully exerted on the absorption of soil nutrients by intercropping of the corn and the radix bupleuri, andbalanced absorption of nitrogen, phosphorus and potassium is realized in the aspect of nutrient types.

The invention discloses a processing method of white tea, and belongs to the field of tea processing. The processing method of the white tea comprises the following steps: step one, carrying out picking, namely picking jade-white tender leaves, each comprises one bud and one leaf, at 7-10 o'clock in the morning as white tea raw materials; step two, carrying out withering, namely spreading the white tea raw materials in a withering tank, at a thickness of 3-5 centimeters, at 25-30 DEG C for 23-28 hours; step three, carrying out drying, namely putting the withered white tea materials treated inthe step three into a drying machine, carrying out drying at 100-120 DEG C for 10 minutes, taking the dried white tea materials out, and carrying out spreading-cooling; and step four, carrying out molding, namely putting the re-dried white tea materials into a mould, and performing extrusion on the white tea materials in the mould so as to obtain a white tea cake. According to the scheme, moistureof juice is reduced by performing drying, so that sugar concentration is increased; and thus, bacteria die when bacterial strains are in sugar of relatively high concentration due to water loss of cells, so that bacterial breeding during tea cake preparation can be reduced.

The invention relates to a water-soluble sulfonated / quaternized chitosan of which the structural formula is shown in the specification. The water-soluble sulfonated / quaternized chitosan provided by the invention is a multifunctional water treatment agent which simultaneously contains an anionic sulfonic acid group and a cationic quaternary ammonium group. Compared with the chitosan raw material, the functions of the water-soluble sulfonated / quaternized chitosan are increased, the water-soluble sulfonated / quaternized chitosan can be used in the treatment of industrial water and waste water to simultaneously solve the problems of scaling and microbe multiplication, and the anti-scaling and sterilization effect is improved by about 50-60%. In the structural formula, n is average degree of polymerization, and n is larger than or equal to and is smaller than or equal to 200.

The invention discloses an electromagnetic patch assembly for inhibiting aquatic creatures from breeding. The electromagnetic patch assembly for inhibiting the aquatic creatures from breeding comprises a magnetostrictive alloy sheet, an excitation coil and a plurality of bias magnetic field alloy strips, wherein the magnetostrictive alloy sheet wraps the outer wall of a pipeline of seawater pipeline equipment; the excitation coil is attached to the outer surface of the magnetostrictive alloy sheet, and the winding mode of the excitation coil is configured so that the direction of a magnetic field generated by the excitation coil is consistent with the radial direction of the pipeline; and the bias magnetic field alloy strips are uniformly distributed in the circumferential direction of the pipeline, and each bias magnetic field alloy strip is attached to the outer surface of the excitation coil. In addition, the invention also discloses a device, system and method for inhibiting the aquatic creatures from breeding. According to the electromagnetic patch assembly, a common ultrasonic transducer mode is abandoned, the electromagnetic patch assembly is arranged on the periphery of the pipeline in a bonding and covering mode, the growth of the aquatic creatures is inhibited through ultrasonic waves generated by the electromagnetic patch assembly, and therefore, the problem of aquatic creature breeding of seawater pipeline equipment can be effectively solved.

The invention relates to a split type combination tea machine device and a working method thereof. The split type combination tea machine device is characterized by comprising a first cabinet and a second cabinet which are independent, the first cabinet is internally provided with an air-condensing water making device and a lower water tank used for receiving water made through the air-condensingwater making device, the second cabinet is provided with a water filter device and an upper water tank used for storing filtered water, the lower water tank is connected with a water inlet end of thewater filter device through a first pipeline, and a water outlet is formed in the upper water tank. The split type combination tea machine device is simple in structure, reasonable in design and beneficial to convenient installation and application of people.

The invention provides a method for inseminating multiparous cows by using frozen sex-controlled semen. The method comprises the following steps that (1) bull semen is collected and processed through semen protective agents; (2) X sperms are sorted out and frozen at low temperature; (3) artificial insemination samples of the multiparous cows are manufactured, and each sample which is 0.25ml in volume comprises 2 millions-4.2 millions of sperms; (4) at least one part of each artificial insemination sample is injected into each rutting multiparous cow, and therefore at least one spawn inside each multiparous cow is fertilized; cow offspring are bred. The method enables the conception rate of the multiparous cows to be more than 10% higher that in a conventional method; the method achieves convenient operation and low cost, effectively increases the conception rate and the offspring female rate of the multiparous cows, and is suitable for breeding of the multiparous cows with the frozen semen.

The invention discloses a gene-edited tobacco one-way liquid-conveying and multi-plant automatic hydroponic device. The device comprises a liquid conveying metering pump (1), a liquid input main pipe (2), a liquid output main pipe (3), liquid input branch pipes (4), liquid output branch pipes (5), a field planting plate (6), single-plant hydroponic units (7), hydroponic cup liquid level monitoring sensors (8) and a liquid level control computer. The one-way liquid-conveying hydroponic device is constructed, each plant hydroponic device is relatively independent and communicates with the whole hydroponic system through one-way input and output of a nutrient solution, independent use of the nutrient solution is achieved, and cross infection of tobacco diseases due to nutrient solution exchange is prevented; meanwhile, each liquid level monitoring sensor monitors the water level in real time and is matched with a conveying pump, and automatic water culture of plants is achieved; and the equipment is low in cost and simple to operate, can realize automatic planting, saves a large amount of labor, and can be directly used for screening of tobacco gene editing materials and factory-like hydroponic planting.