44results about How to "Reduce reproduction rate" patented technology

The invention relates to a method for separating X sperm and Y sperm of a pig. The method comprises the main steps of: (1) collecting semen of a boar under the temperature of 30+/-2 DEG C and storing temporally; (2) using the semen diluting liquid to dilute the original semen according to the proper proportion, then adding a fluorescent stain with proper concentration, and carrying out light-tight hatching dyeing in a water bath, then adding food pigment for dyeing and then filtering; (3) using a flow cytometer to separate X sperm and Y sperm under the temperature of 20 DEG C to 25 DEG C; and (4) using a receiving pipe filled with sperm receiving liquid to collect the separated X sperm and Y sperm, and being used for storing or inseminating after centrifugation and concentration. The method for separating X sperm and Y sperm of the pig can improve the resolution of the X sperm and Y sperm and separating accuracy rate with the separating accuracy rate of more than 90 percent, and can effectively maintain high quality of sperms and high efficiency of recovery of separated sperms. By being combined with the propagation technologies of artificial insemination, vitro insemination and the like, the method can effectively improve the efficiency of farming industry.

The invention belongs to a method and system for self-cleaning water-saving type comprehensive vehicle washing for a civil construction site. The method comprises the steps of foundation ditch precipitation well and drainage ditch system construction, cofferdam pool construction, construction of a wheel washing machine base, a water storage pool, a wheel washing pool, a filtering pool and a settling pool and the like. The system comprises the wheel washing pool used for conducting primary cleaning on tires of a muck vehicle and sludge on a vehicle body, the wheel washing machine base, a wheel washing machine, a foundation ditch precipitation well, a foundation ditch drainage ditch, a cofferdam pool, the water storage pool, the filtering pool and the settling pool. The method and system for self-cleaning water-saving type comprehensive vehicle washing for the civil construction site have the advantages that the method and structure are novel and simple, the vehicle washing efficiency is high, the vehicle washing effect is good, and environment beautifying, energy conservation, environment protection and water recovery circulation utilization are good.

The invention belongs to a low-carbon energy-saving method for treating polluted water quality of a lake or a landscape lake, comprising an aeration type aerobic device, floating landscape aerobic devices, aquatic floating plants and cultured fishes, wherein the aeration type aerobic device is positioned in a water inlet of the lake or the landscape lake; the floating landscape aerobic devices are positioned in the lake or the landscape lake at intervals; the aquatic floating plants are distributed on the periphery of the lake or the landscape lake; and the cultured fishes are positioned in the lake or the landscape lake. The method mainly uses biological natural purification as a main method and mechanical purification as an auxiliary method, supplies power by using a clean carbon-free energy source, circularly increases the fluidity of a water body, can effectively purify polluted water, prevents phycophyta growth, improves the living environment of organisms in water and always retains aquatic oxygen content in a higher level. The invention has the advantages of simple operation, low treatment cost, low-carbon energy saving, no pollution, no noise, attractive appearance, environmental protection and good treatment effect.

The invention provides a cooking utensil, a control method of the cooking utensil, a control device of the cooking utensil and a computer readable storage medium. The control method comprises a heat insulation stage in which an air extraction device is controlled to be started, and the air extraction device is controlled to intermittently work. According to the control method provided by the invention, at the heat insulation stage, the air extraction device is controlled to be started, and the air extraction device extracts air in a cooking cavity; the cooking cavity is subjected to vacuum pumping, so that the inside of the cooking cavity is in a negative pressure state; the oxygen content in the cooking cavity can be reduced; the food oxidization reaction speed and the bacterium breedingspeed are decelerated; the food storage time of the cooking utensil is prolonged; and the food freshness is improved.

The invention discloses tea oil-mushroom oil chili pepper and a preparation method thereof, wherein the tea oil-mushroom oil chili pepper comprises the following raw materials in parts by weight: 12-14 parts of rapeseed oil, 9-11 parts of tea seed oil, 5-6 parts of fermented soya beans, 3-5 parts of chili pepper, 2-3 parts of shiitake mushroom, 3-5 parts of crushed peanut kernels, 2-4 parts of sweet flour paste, 2-4 parts of raw ginger, 0.7-0.9 part of garlic, 0.2-0.4 part of Sichuan pepper, 0.08-0.12 part of star anise, 0.5-1.5 parts of monosodium glutamate, 1.3-1.6 parts of chicken essence,0.2-0.4 part of edible salt, 0.7-0.9 part of white sugar, 0.4-0.6 part of sesame seeds, and 0.6-0.8 part of soy sauce. The oil chili pepper prepared through material selection, low temperature soaking, steaming, Ciba chili pepper preparation, stir-frying, filling and other steps retains the nutrient substances of the raw materials and glossy appearance, full flavor and soft and chewy mouthfeel offlavor products.

The invention discloses a matrix used for exercising seedlings of blueberry and a seedling exercising method. The seedling exercising matrix comprises a water culture matrix and a soil culture matrix,wherein the water culture matrix comprises 1 part by mass of a bactericidal solvent, 1 part by mass of an acid adjusting solvent, 1 part by mass of a fertility increasing solvent, and 1 part by massof a rooting solvent, and the soil culture matrix comprises 1,200-1,300 parts by weight of mixed soil, 0.3-0.4 part by weight of terminalia catappa leaves, 0.3-0.35 part by weight of sulfur, and 0.2-0.3 part by weight of a compost quick decomposing agent. The seedling exercising method comprises the following steps: taking out tissue culture seedlings in a culture bottle, wrapping the seedlings bymosses, placing the wrapped seedlings into a seedling exercising plug tray; placing the seedling exercising plug tray into a pond containing the water culture matrix, and exercising the seedlings for28-35 days; and placing the seedling exercising plug tray onto the soil culture matrix, and exercising the seedlings for 4-6 months. The seedling exercising method provided by the invention can reduce the probability of diseases of the blueberry, and significantly improve the survival rate.

The invention discloses a moving wind driven food deodorizing fresh-preserving device. The device comprises a lower cap body (1), an upper cap body (2) matched with the lower cap body (1), and a gland (3) arranged on the upper side inside the lower cap body (1), wherein a fan driven by a motor is arranged inside the lower cap body (1), and is located under the gland (3); the motor is connected with the wiring terminal on the side edge of the lower cap body (1); and a ventilating window is formed in the bottom of the lower cap body (1) and another ventilating window is arranged in the gland. The moving wind driven food deodorizing fresh-preserving device is reasonable in structure, has a ventilating function, is not limited by the assembly position, has good effects of removing bacteria and odor and preserving, is safe and environment-friendly, can be moved, and can be widely applied to food display cabinets, food hoods, food cases, food cartons or food compartments, food transportation and the like.

The invention discloses a garbage can capable of ventilating and draining water, and relates to the field of garbage can. The garbage can capable of ventilating and draining water comprises an outer barrel, an inner barrel and a barrel cover arranged on a barrel mouth of the outer barrel. Inner barrel holes and outer barrel holes which are different in hole diameter are separately formed in the barrel wall of the inner barrel and the barrel wall of the outer barrel, and the inner barrel holes are connected with the outer barrel holes through connecting tubes, so that a plurality of horn-shaped simple air compression channels are formed, and therefore, temperature of air entering the inner barrel and the barrel is favorably reduced; a liquid in garbage can is capable of being discharged into water draining tubes through the inner barrel holes formed in the inner barrel, a first water draining hole, inner water draining tube holes and a second water draining hole; and the water draining tubes can be used for directly draining liquid into a sewer. Improvement on ventilating and draining of the garbage can is made, and an adsorption device is mounted on the barrel mouth, and air can be fed into the inner barrel as a result of good ventilating performance for favorably reducing temperature in the barrel; and the liquid in the garbage can is capable of being directly drained into the sewer through a plurality of channels, so that quick solid-liquid separation is realized, reproduction speed of bacteria is effectively reduced, and occurrence of foul odor is reduced.

A method for collecting and processing sex attractant for pinewood nematode belongs to the technical field of insect control, and is characterized by including the steps: firstly, using a microscope to select virginal females; secondly, using a solid-phase microextraction needle to continuously collect sex pheromone released by glands of the female s for 2-4 hours, immediately dropwise adding 0.8-1.2 microliter of n-alkanes mix after taking out the sex pheromone, performing thermal analysis and desorption in a GC (gas chromatograph) sample injector for 2-5 minutes, allowing temperature of a sample injection opening of a chromatographic instrument to be 230-260 DEG C, making the objected substances into n-hexane solution, and storing the solution in a refrigerator at -20 DEG C.

The invention discloses a black tea bacterial liquid fermentation device using a flower-shaped container to rotate to inhibit a bacterial membrane. The structure of the black tea bacterial liquid fermentation device comprises a base, upright post, rotating shaft, cone-shaped opening, discharge sealing cover, Feed sealing cover, Feed pipe, antibacterial film mechanism, the two sides of the fermentation box are arranged on the upright pillars through a rotating shaft, the upright column is vertically welded on the base, the motor is arranged on the side of the upright post and is connected withthe rotating shaft, a sealed door is arranged on one side of the fermentation box, a taper opening is arrange in that middle of the sealed door, a material discharge sealing cover is arrange on the conical opening. The invention has the advantages that: a liquid is continuously rotate into each petal groove in a liquid container by rotate, that residence time of the liquid is reduced by increasingthe flow velocity of the liquid, thereby reducing the multiplication speed of the bacterial membrane, and the petal groove is continuously scrub by a jacking scrubbing rack, so that the petal grooveis kept clean, the contamination of the bacterial membrane to the liquid is reduced, and the product quality is improved.

The invention discloses a method for trapping soil microorganisms. The method comprises the following steps: firstly, carrying out microorganism culture, putting soil into a glass culture dish, wetting the soil with distilled water, manufacturing a microorganism trapping device containing a solid culture medium, putting the device into the wet soil in the culture dish, manufacturing a microorganism culture device, and putting the microorganism culture device into an incubator for culturing; and then carrying out microorganism separation, mashing the solid culture medium, adding sterile water for standing, carrying out gradient dilution, coating an oligotrophic culture medium with a bacterium solution, carrying out blow-drying and culturing in the incubator, observing bacterial colony growth, and carrying out storage after purification and identification. According to the method, the soil microorganisms are trapped and domesticated in the soil through the solid culture medium, so that the soil microorganisms including bacteria which are difficult to culture and low in propagation speed can be obtained, and the separation depth of the soil microorganisms is expanded. The microorganisms obtained with the method can be used for morphological observation, classification and identification of the microorganisms, plant disease control, pesticide degradation, environmental protection and the like.

The relates to the technical field of drug sensitivity analysis, and in particular to a magnetic stirring type drug sensitivity analysis apparatus and a matched kit. The magnetic stirring type drug sensitivity analysis apparatus provided by the invention, which is used in a mode of being matched with a microcomputer, is simple to operate, short in drug-sensitivity time and high in result accuracy. Drug resistance of microorganisms can be judged by virtue of a final value method, and in addition, growth status of the microorganisms can be monitored in a culture process; and furthermore, by adding a stirring function in the culture process, a propagation speed of the drug-resistant microorganisms can be accelerated, the time of an entire drug-sensitivity process can be shortened and a step of manual operation can be omitted. In the microorganism culture process, a stirring motor rotates so as to drive a magnet to rotate and a stirrer, under the action of a rotating magnetic field, becomes rotating, so that drugs, microorganism liquid and air in drug-sensitivity stirring pores are fully mixed. The propagation speed of the drug-resistant microorganisms is accelerated and the drug-sensitivity process is shortened. After the culture process is implemented for a period of time, the kit, which is driven by a motion device, is moved to a detection device; and through repetitive culture and detection, a growth curve of the microorganisms is finally obtained.

The invention discloses a manufacturing process of a nano antibacterial and mildew-proof waterborne polyurethane coating, which comprises the following steps: firstly, selecting a proper amount of waterborne polyurethane, putting the waterborne polyurethane into a reaction kettle, heating, then adding an antibacterial agent and a mildew-proof agent, heating to 70-90 DEG C, then adding a thickening agent, a light stabilizer, a defoaming agent and a flatting agent, heating to 80-100 DEG C, cooling to room temperature, and adding a coloring agent, a dispersing agent and a coalescing agent into the mixture. The waterborne polyurethane coating prepared by adopting the preparation method disclosed by the invention can have good antibacterial performance and mildew-proof performance, can reduce the breeding speed of microorganisms in the coating, can ensure the viscosity of the coating, cannot damage film-forming substances in the coating, and can ensure a good coating effect of the coating; and nano titanium dioxide is adopted as an antibacterial agent, and benzothiazole-3-ketone is adopted as an anti-mildew agent, so that environmental protection and non-toxicity can be realized, and great guarantee is provided for the body health of constructors and users.

A preparation method of the rhizoma atractylodis incense comprises the following steps: S1, grinding rhizoma atractylodis into powder with the fineness of 80-100 meshes; s2, sufficiently and uniformly stirring the rhizoma atractylodis chinensis powder and the natural plant sticky powder to obtain a mixture A; s3, pressing the mixture A into material blocks, wherein the material blocks are uniform and dense and do not contain bubbles; and extruding the material blocks through an extruder to form a slender incense strip; s4, naturally airing the incense strips; and S5, cellaring. The rhizoma atractylodis incense has the effects of preventing plague, disinfecting, sterilizing, soothing the nerves and the like; and aerogel is generated through smoke, disinfection is conducted in a space, the rhizoma atractylodis incense can be diffused to each dead corner in a room, and the effects of disinfection, sterilization and virus resistance are achieved. No toxic or side effect is caused on human bodies. The disinfection effect is better than that of ultraviolet rays, and the breeding speed of microorganisms is far lower than that of the disinfection result of the ultraviolet rays within several hours after disinfection. The product is wide in application range, and can be used in crowded places such as various departments of hospitals, schools, homes, public places and the like.

The invention discloses a litchi fresh-keeping technology, specifically, first putting freshly picked litchis into dry bagasse, and then storing the litchis together with the dried bagasse under an environment of 0-10°C. Compared with the prior art, the invention has the advantages of greatly prolonging the fresh-keeping period of the lychee, having abundant sources of raw materials, and reusing waste in an environment-friendly manner.

The invention discloses a lucuma nervosa fruit fresh-keeping agent and a fresh-keeping method thereof, and belongs to the technical field of fruit and vegetable fresh keeping. The fresh-keeping agentcomprises an aqueous solution of sodium carboxymethyl cellulose and an additive, wherein the additive comprises the following raw materials in percentage by weight: based on 100% of the aqueous solution of sodium carboxymethyl cellulose, 2.0-4.0% of a galangal extract, 0.08-0.12% of marine organism lysozyme, 0.2-0.6% of thellungiella salina leaf total flavonoids and 0.05-0.20% of gallic acid. Thefresh-keeping time of lucuma nervosa fruits treated by the method is remarkably prolonged, and the lucuma nervosa fruits can be stored for 20 days or more at room temperature. According to the fresh-keeping method for prolonging the storage time of the fresh lucuma nervosa fruits, economic losses are greatly reduced, the fresh fruits are continuously provided for the market, the requirements of consumers can be met, the industrialization development of the lucuma nervosa fruits in China can be promoted, and besides, a reference method is provided for fresh keeping of other fruit products.

The invention relates to a cutting nursery method for improving disease resistance of pomegranate. The method comprises the following steps: (1) selecting cuttings; (2) treating the cuttings; and (3)transplanting the cuttings. By virtue of experiments, according to the method disclosed by the invention, the resistance of young pomegranate seedlings is greatly improved, usage of disease control agents in the pomegranate cultivation process is effectively reduced, and the method is of great advantages to fruit bearing, fruit quality and yield of the pomegranate.

The invention discloses a sheep breeding feed in the field of preparation process. The sheep breeding feed comprises the raw materials in parts by weight: 18-22 parts of corn flour, 28-32 parts of coarse rice bran, 28-32 parts of fermented distillers' grains, 8-12 parts of fine rice bran, 0.8-1.2 parts of table salt, 0.8-1.2 parts of calcium carbonate and 6-8 parts of premix. Through the adoption of the sheep breeding feed, various types of probiotics exist in sheep gastric juice, and have a large number, and the regular anepithymia and dyspepsiaof the sheep can be alleviated.