74results about How to "Eliminate bacteria" patented technology

A ventilation system that includes a fan for providing fresh air within an infant's sleeping area. The fan may be mounted to the infant's sleeping device and may include fan guards surrounding the fan for increased safety. The ventilation system may include a sensing device for monitoring the conditions within the infant's sleeping area. The sensing device may monitor the oxygen level, the carbon dioxide level, and the presence of smoke. The sensing device may monitor for additional toxic gasses or hazardous conditions within the infant's sleeping area. The ventilation system may further include a remote receiver that receives signals from the sensing device if a hazardous condition exists within the infant's sleeping area. The ventilation system may further include local and remote alarms configured to provide notification of a hazardous condition within the infant's sleeping area.

The invention relates to a preparation method for a nanofiber membrane which mixed nano materials which have an antibiosis ultraviolet prevention property and silk fibroin. The preparation method for the antibiosis ultraviolet prevention silk fibroin nanofiber membrane comprises performing surface modification on the nano materials which have the antibiosis ultraviolet prevention performance, adding into a prepared silk fibroin solution and mixing and forming into a spinning solution and obtaining the antibiosis ultraviolet prevention silk fibroin nanofiber membrane through the electrostatic spinning technique. The preparation method for the antibiosis ultraviolet prevention silk fibroin nanofiber membrane has the advantages of enabling nanoscale composite fibers obtained through the electrostatic spinning technique to have good biocompatibility as the silk fibroin, meanwhile to have the antibiosis ultraviolet prevention performance as photocatalysis type nano-antibacterial materials, to be applicable to biomedicine field and particularly to be capable of serving as cover materials for killing bacteria and treating infected wound surface and being simple in preparation technology, low in production cost and capable of satisfying production and application requirements.

The invention belongs to the technical field of edible fungus cultivation and discloses an indoor morchella esculenta cultivation method. The method includes steps: (1) preparing a cultivation medium; (2) bagging the prepared cultivation medium, and sterilizing in a sterilization pot, wherein each bag is filled with 1.2-1.5kg of the cultivation medium; (3) performing inoculation of a stock culture in the cultivation material, culturing in a culturing room, and cultivating after hyphae grow into sticks; (4) laying a plastic film on a cultivation bed, then laying nutritious soil, arraying the sticks on the bed one by one, spraying nutritious liquid, and covering with nutritious soil; spraying culture fertilizing liquid once every 4-6 days, controlling the temperature and air humidity in a cultivation room, and picking after fruiting bodies grow out for 7-10 days and ripe. The indoor morchella esculenta cultivation method has advantages that a morchella esculenta production period can be shortened, morchella esculenta yield is increased while morchella esculenta quality is improved, growth of contaminating bacteria can be inhibited, morchella esculenta culture success rate reaches 98% or above, a gap between artificially cultivated morchella esculenta and wild morchella esculenta is narrowed, and edible and medicinal values of the morchella esculenta are increased.

The invention discloses a multifunctional intelligent wardrobe, which comprises an exhaust fan, venting devices, main heating filtering equipment, a wardrobe body, induction lamps, ultraviolet sterilizing lamps and negative-ion generators; a mounting chamber is arranged in the middle of the wardrobe body, wherein the venting devices and the main heating filtering equipment are fixedly arranged at the upper and lower ends of the mounting chamber; an exhaust port of the main heating filtering equipment is connected to the plurality of venting devices by virtue of air ducts, and the venting devices are arranged in the wardrobe body; the exhaust fan is arranged at the top of the wardrobe body; the plurality of ultraviolet sterilizing lamps and the plurality of negative-ion generators are arranged on an inner backboard of the wardrobe body; the induction lamps are arranged at the top of the wardrobe body and on the inner backboard; and the exhaust fan, the main heating filtering equipment, the induction lamps, the ultraviolet sterilizing lamps and the negative-ion generators are in controlled connection to a tablet computer on the front side of the wardrobe body. With the application of the multifunctional intelligent wardrobe, clothes can be heated and dehumidified, so that the clothes can be preserved for a longer time and warm clothes can be worn in cold weather; and meanwhile, bacteria in the wardrobe and in the clothes can be eliminated, and foreign smell of the wardrobe and the clothes can be removed.

The invention discloses a processing method of an assembled bamboo floor, which utilizes bamboo with a short growth period and abundant resources as a raw material, and after selecting bamboo, breaking bamboo, cooking, drying, matching colors, cutting materials, assembling, and gluing, Put it in a hot press and glue it together, then polish it with a heavy sand machine, cut it with mechanical equipment, paint it and dry it, and then it will be the finished product. The whole assembly process is simple, practical, and the finished product has no peculiar smell, and the assembled bamboo floor has a compact structure, is not easy to deform, has good pressure resistance, and feels comfortable on the feet. It avoids mold, insects, deterioration and other phenomena during the use of bamboo flooring, and uses the top layer of bamboo chips, carbonized bamboo chips or other colored bamboo chips to be placed regularly in the top layer, which greatly enriches the surface of the bamboo floor. It has the advantages of anti-mildew, anti-corrosion, waterproof, not easy to deform, energy saving and environmental protection.

The invention relates to an automobile deodorizing agent and a preparation method thereof. The deodorizing agent comprises the following components in percentage by weight: 3 to 8% of quaternary amine compounds, 5 to 11% of dihydrazide compounds, 10 to 20% of plant extract, 1 to 3% of penetrating agent, 0.1 to 0.5% of antiseptic, 0.5 to 1% of antifoaming agent, and the balance being deionized water. The preparation method comprises the following steps: preparing the components mentioned above according to the weight ratio, orderly adding quaternary amine compounds, dihydrazide compounds, and deionized water into a stirrer, mixing, evenly stirring, adding a penetrating agent, an antiseptic, and an anti-foaming agent, stirring for five minutes, then adding a plant extract, and mixing and stirring so as to obtain the automobile deodorizing agent. The provided automobile deodorizing agent is capable of effectively absorbing the toxic gas in an automobile and eliminating the odors and bacteria in the automobile.

The invention discloses a traditional Chinese medicine composition for treating a bone disease. The traditional Chinese medicine composition comprises the following components according to the weight unit of 20-30g of saffron crocus, 50-60g of lucid ganoderma, 10-20g of nux vomica, 30-40g of root of bidentate achyranthes, 20-30g of radix rubiae, 50-60g of herba pyrolae, 30-40g of herba epimedii, 50-60g of lycopodium clavatum, 20-30g of liquorice, 20-30g of garden balsam stem, 10-20g of radix sophorae flavescentis, 60-70g of silky ant, and 5000-6000g of ginger. The traditional Chinese medicine composition is externally used, and can be used for suffocating, dipping, smearing and scrubbing. Each component can be directly smeared and treated on the full body after being crushed, and then coated by a preservative film after being smeared. The traditional Chinese medicine composition has the effects of promoting blood circulation and regulating qi, strengthening tendons and bones, dissipating blood stasis and activating blood circulation, clearing and activating the channels and collaterals, eliminating stagnation and dredging blood stasis, is free of damage to a human body, free of pain, wide in medicinal herb source, and free of toxic and side effects, and can effectively treat the bone disease. 122 sufferers in all are treated, the effective rate is 93.6% and the good rate is 89.4%.

The invention provides an ecological organic fertilizer which is prepared from the following raw materials (by weight): 35-40 parts of rice husk powder, 30-35 parts of saw timber, 20-30 parts of soy sauce residue, 20-25 parts of bagasse, 10-15 parts of pig manure, 40-60 parts of bran, 4-6 parts of eymogenic bacterium, 5-7 parts of katsumade galangal seed, 3-5 parts of sweet clover, 7-9 parts of rice sprout, 5-8 parts of root of Viburnum ovatifolium, 2-4 parts of Viburnum betulifolium, 3-4 parts of agastache rugosa, 6-8 parts of clove fruit and 6-7 parts of rhizoma kaempferiae. The ecological organic fertilizer is pollution-free and nuisanceless. Decomposition of organic matters can be accelerated. Available nutrients can be manufactured or transformed for crops. Meanwhile, the ecological organic fertilizer has effects of raising utilization rate of fertilizer and activating soil nutrient.

The invention discloses an oil separator which comprises an oil removal box and a slag removal box separated from the oil removal box, wherein the slag removal box comprises a slag discharge area which is arranged on one side of the slag removal box; the kitchen sewage is led into the slag removal box; the slag contained in the sewage is filtered by a chain plate type conveying belt in the slag removal box and conveyed to the slag discharge area as well as discharged to the outside from the slag discharge area; the sewage after slag removal flows into the oil removal box for oil removal; and the oil contained in the sewage is discharged to the outside. The oil separator disclosed by the invention realizes automatic oil discharge and automatic slag discharge functions, and is reasonable in structure and simple and convenient to operate.

The invention discloses a preparation method of a nano antibacterial pipe and relates to the technical field of building materials. The nano antibacterial pipe is made by adopting the following raw materials in parts by weight: 1-2 parts of nano titanium dioxide antibacterial agent, 92-95 parts of polypropylene random copolymer, 2.5-3.5 parts of toner, 2-3 parts of antioxidant and 2-3 parts of silane coupling agent; and the preparation method comprises the following steps: (A) performing surface treatment on the nano titanium dioxide antibacterial agent by the silane coupling agent, putting the nano titanium dioxide antibacterial agent together with the polypropylene random copolymer, the toner and the antioxidant into an efficient stirrer and stirring, and granulating with a twin-screw extruder; and (B) performing melting and extrusion moulding on the prepared granules by a single-screw extruder, and cooling and setting to obtain the nano antibacterial pipe. Compared with the prior art, the nano titanium dioxide antibacterial agent is added into the raw materials, and the prepared nano titanium dioxide antibacterial agent can remove common bacteria in water to prevent bacteria breeding and guarantee clean and sanitary water quality.

The invention discloses a solar community household garbage classification treatment station. By mainly utilizing purely mechanical classification technologies such as an automatic bag breaking system, a three-stage roller screening system, an electromagnetic screening system, a two-stage vibrating separation system, a lightweight air separation system, an automatic circulating treatment conveying system and an ultraviolet sterilization deodorization system, household garbage collected from communities are effectively classified for treatment in a solar power supply mode. Various kinds of thrown household garbage can be effectively collected in a classified manner, so that resources can be well recycled. The overall equipment has the sealed deodorization design, so that peculiar smells and growth of bacteria are avoided. According to a purely mechanical separation principle structure, the failure rate of equipment can be effectively reduced, so that the equipment can effectively and stably operate for a long time. The solar power supply mode is utilized, so that difficulty in placement space occupation and power supply can be avoided; by virtue of an intelligent communication system, the classification situation can be timely mastered for arrangement of collection and treatment, and truly efficient, intelligent, classified and resourceful treatment can be achieved.

Disclosed is a water resource rationally utilized centralized dual water supply system. A case is provided with a water treatment module and also provided with a waste water recycling module, a water heating module and a dual water supply module; the water treatment module is connected with the external tap water; the waste water recycling module is connected with the water treatment module; the dual water supply module is connected with the water treatment module. According to the water resource rationally utilized centralized dual water supply system, the filtering is performed with the tap water as the raw water, every treatment unit of the water treatment module is fully utilized to achieve the dual water supply of families, the waste water recycling module is utilized to achieve the recycling of the waste water, and accordingly the rational utilization of every drop of water is achieved.

The invention relates to the technical field of food processing, in particular to a bamboo shoot preservation method. The bacteria or plant diseases and insect pests on fresh bamboo shoots are eliminated by soaking in an acidic ice-water mixed solution, so that the whole bamboo shoots are ice-cold, the physiological activity of the bamboo shoots is reduced, and the deterioration rate of the bambooshoots is reduced; under the smearing effect of a preservative, the bamboo shoots are not invaded by external pathogens from root incisions, the volatilization of moisture in the bamboo shoots is limited, then the freshness of the bamboo shoots is guaranteed, and the shelf life of the bamboo shoots is prolonged; then, under the protection of the preservative, the bamboo shoot shells and the bamboo shoot pulp are ensured to have continuous nutrition supply, and the bamboo shoots are ensured to be fresh and tender all the time; and finally, the treated bamboo shoots are vertically placed in thenotches of a foam box, so that the bamboo shoots are not in contact with one another, the rotten bamboo shoots are prevented from infecting other bamboo shoots, the bamboo shoots are in a vertical state and accord with the growth state of the bamboo shoots in soil, the absorption rate of the bamboo shoots to the preservative is increased, and the freshness of the bamboo shoots is guaranteed.

The invention discloses an intelligent-drying towel rack with a sterilizing function. The intelligent-drying towel rack comprises a rack body, a commodity shelf, sterilizing devices, light-reflectingcovers, an intelligent control device, heating devices and a hot-air blower, wherein the heating devices are arranged on towel support rods, the upper end of the rack body is connected with the middleof the commodity shelf, the two sterilizing devices are symmetrically arranged on the commodity shelf, the sterilizing devices are provided with the light-reflecting covers in a matching manner, a plurality of air blowing holes are arranged in each of two vertical rods and a bottom cross rod of the rack body, the air blowing holes are connected with the hot-air blower, and the sterilizing devices, the heating devices and the hot-air blower are electrically connected with the intelligent control device. The intelligent-drying towel rack is simple in structure and convenient to use, through theintelligent control device, the starting sequence and working parameters of the sterilizing devices, the heating devices and the hot-air blower are automatically controlled and regulated, the effective sterilizing is carried out while towels are dried, the foreign smell and bacteria of dried objects can be removed, and thus the use safety and health are guaranteed.

The invention discloses a liver-protecting and intestine-protecting immunopotentiation composition for freshwater fish. The liver-protecting and intestine-protecting immunopotentiation composition comprises the following raw materials in parts by weight: 15 to 27 parts by weight of herba andrographitis, 18 to 22 parts of folium isatidis, 10 to 15 parts of polygonum hydropiper, 8 to 12 parts of radix et rhizoma rhei and 8 to 12 parts of gallnut. The invention further discloses a preparation method and an application for the composition. The composition provided by the invention has the effectsof resisting bacteria, scavenging free radicals, clearing away heat and toxic materials, preventing and treating enteritis and the like, and can effectively improve the immunity of the freshwater fishand guarantee the body health of the freshwater fish.

The invention discloses a purifying machine capable of calculating the air quality based on big data and a calculating method. The purifying machine comprises a purifying case; an air intake mechanismfor introducing to-be-purified air is mounted at the bottom of the case body of the purifying case; an air supply mechanism for discharging the purified air is mounted on the top of the case body; acirculating purifying mechanism for air purification is mounted in the case body and is connected between the air intake mechanism and the air supply mechanism; the control terminal of the circulatingpurifying mechanism is connected with a big data control module; and the big data control module is embedded the panel on the obverse side of the purifying case. According to the purifying machine, big data analysis is combined, a data model is established by utilizing real-time monitoring to the air quality, and analytical prediction is carried out, so that the circulating purifying mechanism iscontrolled to carry out physical filtering, chemical decomposition and sterilization operation on the air to improve the air purifying efficiency; and at the same time, a constant humidity warming cylinder is additionally arranged to carry out warming and humidifying operation on the purified air.

The invention discloses a multifunctional wardrobe. The multifunctional wardrobe comprises a wardrobe body, a door sheet and an environment care machine, wherein the door sheet and the wardrobe body enclose a closed space; the environment care machine is composed of a front case, a rear case and a liner, wherein the front case and the rear case encloses an accommodating cavity, and the liner is accommodated inside the accommodating cavity; the lower portion of the front case is provided with a front case air inlet hole, and the upper portion of the front case is provided with a front case airoutlet hole; the lower portion of the rear case is provided with a rear case air inlet hole, and the upper portion of the rear case is provided with a rear case air outlet hole; the environment care machine is fixed onto the door sheet, and the rear case air inlet hole and the rear case air outlet hole are accommodated inside the closed space formed by the door sheet and the wardrobe body. The multifunctional wardrobe can dry and sterilize clothes inside, and meanwhile, when dismounted from the multifunctional wardrobe and applied indoors, the environment care machine can humidify, dry, sterilize and filter indoor air.

The invention provides a toxicity preventive aquaculture method for penaeus japonicus. The toxicity preventive aquaculture method includes A, removing sludge at the bottoms of aquaculture ponds, spreading quicklime and exposing the quicklime to the sun for 2-3 days; B, laying mixed soil with the thickness of 10 cm at the bottoms of the aquaculture ponds and then exposing the mixed soil to the sun for 2-3 days; C, injecting water into the aquaculture ponds until the depth of the water reaches 50-60 cm, spreading plant ash, cow dung and calcium-magnesium phosphate fertilizers into the aquaculture ponds, allowing the water, the plant ash, the cow dung and the calcium-magnesium phosphate fertilizers to stand still for 10-15 days and then injecting water into the aquaculture ponds until the depth of the water reaches 1.5-1.8 m; D, releasing young penaeus japonicus into the aquaculture ponds and filling the aquaculture ponds with ozone; E, spraying sodium dichloroisocyanurate aqueous solution into the aquaculture ponds at the intervals of 7-10 days in 1-2 months after the young penaeus japonicus is released into the aquaculture ponds so that the concentration of sodium dichloroisocyanurate in the aquaculture ponds is 0.1-0.4%, and continuously spraying the sodium dichloroisocyanurate aqueous solution by 2-3 times. The mixed soil comprises kaolin and fine gravel which are uniformly mixed with each other according to a mass ratio of 1:2. The toxicity preventive aquaculture method has the advantages that the occurrence rate of diseases in aquaculture procedures can be effectively reduced, the aquaculture survival rate can be increased, and the aquaculture quality can be improved.

The invention pertains to coral sand, more particularly to a composition of coral algae, shell sand and ascorbate being useful as an additive for the improvement of the quality, including the taste, of drinking water, that is as a water improvement agent. The composition is as follows: 5 to 90% coral algae, 5 to 90% shell sand, 0.1 to 8% ascorbic acid salt, and it is chosen so that by the addition of 0.5 g to 1 liter of water is the mixture is emerging with a pH from 7 to 8.5. If the product in addition contains a suitable gelling agent, this entails that any bacteria formerly present, after addition of the water improvement agent according to the invention, no longer exist in the free solution.

The invention discloses a detergent for fruits and vegetables and a preparation method for the detergent, more specifically, the detergent for the fruits and vegetables, which is natural, convenient, non-toxic and harmless and is good in washing effect, and belongs to the technical field of products for daily lives. The detergent is characterized by being prepared from 40% to 75% of calcined eggshell powder, 20% to 55% of table salt and 3% to 8% of xylitol. The detergent and the preparation method therefor have the advantages and beneficial effects that the product is non-toxic and harmless, does not destroy original nutritional ingredients of the fruits and vegetables and can be used for removing harmful substances such as bacteria, microbes and pesticide residues from surfaces of the fruits and vegetables; the calcined eggshell powder is used as a raw material, so that the waste is changed into the valuable, the needs of people are met, and the market vacancy is filled up; and the preparation is simple and convenient, industrial production is facilitated, and the popularization and application value is relatively high.

The invention relates to the technical field of kitchen utensils, in particular to a euphalerus robinae square chopping board cleaning device based air exchange and barometric changes. The technical problems that a euphalerus robinae square chopping board is not cleaned easily, is high in water absorption and is not likely to be air-dried are solved. In order to solve the technical problems, the euphalerus robinae square chopping board cleaning device based air exchange and barometric changes comprises a base, the two sides of the top of the base are each fixedly connected with a protective plate, the protective plates are arc plates, a placement chamber is fixedly connected to the bottoms between the two protective plates, the middle of the top of the placement chamber is sunken downwards, and the bottom of the placement chamber is fixedly connected to the top of the base. While the two sides of the chopping board are cleaned, the two sides of the chopping board are air-dried, bacteria on the two sides of the chopping board are prevented from breeding, body health of people is ensured, cleaning and air-drying can be performed at the same time, energy is saved, and the cleaning efficiency is improved.

The invention provides waste-water classification treatment equipment which comprises a shell, a stirring chamber, a first treatment chamber, a second treatment chamber and a third treatment chamber. The stirring chamber, the first treatment chamber, the second treatment chamber and the third treatment chamber are arranged in the shell form left to right, a case is arranged at the bottom of the shell, a rotating shaft is mounted in the stirring chamber, a stirring device is mounted on the rotating shaft, a gear motor is mounted at the left end of the top of the shell, the gear motor is in transmission connection with the rotating shaft, a feed hopper is further arranged at the left end of the top of the shell and is arranged on the left side of the gear motor, the feed hopper is communicated with the stirring chamber, and a total feed pipe is arranged at the top end of the left side of the shell. By the arrangement of the stirring chamber, the gear motor and the stirring device, precipitants and waste water can be stirred in deceleration, time for treatment is saved, and precipitation efficiency is improved.

The invention discloses an air filter for vehicles. The air filter comprises a filter head, a base, a sucker and a horn-shaped sealing ring. The filter head is installed on the base. The sucker and the horn-shaped sealing ring are installed below the base. The base is of a hollow structure, and a ventilation channel is formed in the middle of the base. The horn-shaped sealing ring is located at an inlet of the ventilation channel. The sucker is located on the periphery of the horn-shaped sealing ring. One end of the filter head is communicated with an outlet of the ventilation channel in the base, and small air outlet holes distributed densely are formed in the other end of the filter head. A filter element is installed in the filter head. The air filter is simple in structure, convenient to install and capable of effectively adsorbing harmful substances such as formaldehyde and xylene contained in air and removing peculiar smells, unpleasant pungent smells and dust and bacteria in air, and the air filter can be directly installed on an air outlet of a vehicle air conditioner through the sucker.

The invention provides an air filter additional device, comprising an upper cover and a back shell matching with the upper cover, wherein the upper cover and the back shell are of ventilating grid structures, a compound filter layer for filtering air is sandwiched between the upper cover and the back shell, the bottom layer of the filter layer is a filter element layer, a bactericidal cotton layer and a high-efficiency air filtering layer successively cover the filter element layer, the filter element layer is ventilating, and a series of accommodation chambers are arranged on the filter element layer and are respectively filled with air purifying substances or substances beneficial for a human body. According to the air filter additional device in the invention, the bottom layer of the filter layer is improved to be the filter element layer capable of filtering out impurities in air and adding beneficial components into air; when filtered air passes, essence or medicinal herb put into the air filter additional device can slowly volatilize, so peculiar smell and bacteria in air are removed, thereby achieving the purpose of thorough purification of air.

The invention provides a functional innersole which is made in such a way that 97 percent to 99 percent of EVA resin plates and 1 percent to 3 percent of zeolite nanometer granules are mixed and are dried and heated after being shaped. The invention has antibacterial and odor-removing functions, and can remove the bacteria and the odor in a shoe. The innersole comprises an upper plate and a lower plate which are independent and are glued together. The first part of the innersole designed referring to the sole part comprises an upper plate and a lower plate which are elastic and are combined to form a space called an air cell between the upper plate and the lower plate, and ventilating elastic materials, such as sponge, and the like are arranged in the air cell. The second part of the innersole designed referring to the arch part is connected with the first part of the innersole and the third part of the innersole to enable the air to circulate in a better way, and an air passage is formed. The front-foot part containing toes is the third part of the inner sole. The air passage is branched off to form auxiliary air passages after extending to the toe part, and the upper sides of the auxiliary air passages are particularly provided with ventilating holes to enable the toe part and the air to be in contact in maximum.

The invention discloses an environment-friendly pigsty with adjustable temperature, belonging to the field of architecture. In order to enable pigs to have a comfortable living environment, the environment-friendly pigsty comprises a pigsty body, a plurality of mutually parallel exhaust ports formed in the pigsty body, a plurality of mutually parallel cold air sending holes formed in the pigsty body, a plurality of mutually parallel warm air sending holes formed in the pigsty body, cooling devices arranged in the cold air sending holes and heating devices arranged in the warm air sending holes. The temperature in the pigsty can be guaranteed to be initially constant, air in the pigsty can be guaranteed to be clean, bad smell and bacteria in emitted gas are eliminated, and the surrounding environment is protected. The probability that the pigs fall ill is reduced, and a marketing rate is improved.

The invention discloses a desensitizing and whitening toothpaste containing nano carbon crystal, and belongs to the fields of oral health and health care. The desensitizing and whitening toothpaste is prepared from the following raw materials in percentage by weight: 0.2%-1% of nano carbon crystal, 0.3%-6% of strontium chloride, 10%-45% of an abradant, 1.5%-2% of hydroxyethyl cellulose, 0.1%-0.5% of indigo naturalis, 0.2%-0.8% of clindamycin, 1%-2% of sodium carboxymethylcellulose, 2%-5% of a thickener, 0.05%-0.1% of a sweetening agent, 0.01%-0.05% of a preservative, 15%-25% of a wetting agent, 1.5%-3.5% of sodium lauryl sulfate and the balance of deionized water. The surface-functionalized nano carbon crystal is added to the desensitizing and whitening toothpaste containing the nano carbon crystal, so that the desensitizing and whitening toothpaste has obvious whitening, antiallergic and antibacterial effects; the tooth whitening time can be greatly shortened; the bacteria on the tooth surfaces are effectively eliminated; and a long-term antibacterial effect can be maintained.

The invention discloses an extraction process for rose essential oil and an application of the obtained rose essential oil in a facial mask. The extraction process comprises the following steps: taking fresh rose petals, washing the fresh rose petals with clear water to remove silt, and draining water; subjecting water-drained rose petals to microwave sterilization; soaking sterilized rose petalswith a salt solution, distilling a mixed solution of the rose petals and the salt solution, after distillation is completed, adding an organic solvent into a fraction for extraction so as to separatean organic phase; and concentrating the organic phase, adding ethanol into a concentrated solution, carrying out uniform mixing under stirring, carrying out filtering so as to remove a filter residue,concentrating a filtrate, and carrying out ultraviolet sterilization so as to obtain the rose essential oil. The extraction process provided by the invention has the following beneficial effects: soaking and distillation extraction are performed by adoption of the salt solution in the process of extraction, so effective components in the rose petals can be easily extracted out, and the yield of the obtained rose essential oil is improved; the rose essential oil provided by the invention has single material source; and the rose essential oil prepared by using the extraction process provided bythe invention is pure, is free of any additives and belongs to a pure natural product.

Provided is an entrance and exit degerming passage of a spawn running room. The passage is characterized by comprising a passage body, an entrance door and an exit door, wherein the entrance door andthe exit door are arranged at the two ends of the passage body; the passage body is further internally provided with two isolating doors, the two isolating doors separate the passage body into three compartments, a dedusting foot pad is laid in the compartment close to the entrance door, an air curtain machine is arranged on the top of the middle compartment, the bottom of the air curtain machineis provided with a venting passage, and the compartment close to the exit door is internally provided with an automatic ozone generator. Automatic shutting tension springs are arranged on the isolating doors. The entrance and exit degerming passage of the spawn running room has the advantages that when personnel enter and get out of the spawn running room through the entrance and exit degerming passage of the spawn running room, floating dust and mixed fungi on the bodies of the personnel can be well cleaned out and removed, air cross ventilation between the indoor and outdoor environments ofthe spawn running room cannot be caused, and the influences caused to temperature, humidity and the concentration of each kind of gas in the spawn running room when the personnel enter and get out ofthe spawn running room are reduced.

The invention relates to a preparation method of seafood dry white wine. The preparation method sequentially comprises the following steps of harvesting of Riesling grape, Changxiangsi grape and Saimeirong grape according to the mass ratio of 1:1:1, stem removal, skin breaking, low-temperature skin soaking, juice extraction, clarification, fermentation, yeast precipitation, vinasse culture, filtering after low-temperature cooling, bottle charging storage and wine obtaining. The wine provided by the invention has the strong sterilization effects; bacteria in the seafood can be eliminated; the intestines and stomach are protected; a neutralization effect is achieved on the cold nature of the seafood. When the wine provided by the invention is matched with the seafood, the whole effects can be achieved; the durable and excellent fresh fruit flavor can be maintained; the durable mellow taste is generated. Therefore the seafood dry white wine is well matched with the relatively light seafood; the common problem of food prohibition of seafood and beer in society can be avoided; the defect that the gout disease can be easily caused by seafood eating is overcome, so that the effects of healthy eating and healthy wine drinking can be achieved.