42results about How to "Ensure human health" patented technology

A faucet assembly with an insulating core is disclosed. The insulating core has an inlet, an outlet and a socket portion communicating the inlet and the outlet, and is made of polyoxymethylene (POM). The faucet assembly has a controlling valve configured to be received in the socket portion for controlling the inlet and the outlet to communicate with or separate from each other and a metal body configured to contain the insulating core therein and having a knob for operating the controlling valve to communicate or separate the inlet and the outlet with or from each other, thereby allowing or disallowing water supply. The insulating core serves to insulate water flowing therethrough from the metal body thereof in terms of heat transmission and metal contamination.

The invention provides a silicon nitride crucible coating and a preparation method thereof. The preparation method comprises the following steps: adding adhesive, dispersant and silicon nitride into the deionized water, and uniformly mixing to obtain the sizing agent, wherein weight ratio of silicon nitride to adhesive to dispersant is 100 : (15-28) : (5-12), weight ratio of silicon nitride to deionized water is 1 : (3-4), and the adhesive is one of organosilan, metasilicic acid, polyatomic alcohol, polyvinyl alcohol and acrylate; and spraying or dipcoating the sizing agent to the inner surface of the crucible, and performing calcination and annealing at the temperature of 260 DEG C to 550 DEG C in an inert gas atmosphere, wherein oxygen content of the silicon nitride crucible coating is 1 wt% to 5 wt%. According to the invention, a certain amount of adhesive is added into the sizing agent, and subsequent calcination is controlled to be carried out in the argon gas atmosphere, so that a great amount of dust generated in the spraying process is avoided, and adhesion strength of the coating is enhanced, and as the oxygen content of the coating is controlled to be lower, the requirement of high-quality polycrystalline silicon chip production for the oxygen content of the coating can be met.

The invention relates to a high-purity coating type polycrystalline silicon crucible, which comprises a crucible body, wherein a plurality of concave pits or annular grooves are uniformly distributed on the surface of the crucible body; a first nitriding layer, a second oxidation layer and a third nitriding layer are sequentially attached to the surface; according to the first nitriding layer, whey type silicon nitride coats the surface of the crucible body provided with uniformly distributed concave pits or annular grooves in a brush coating mode; the second oxidation layer is powder silicon oxide; the powder silicon oxide is spayed onto the surface of the whey type first nitriding layer which is not coagulated in a spraying mode; the second oxidation layer forms particle type on the surface of the first nitriding layer; the third nitriding layer is mist silicon nitride; the mist silicon nitride is sprayed and coated on the surface of the second oxidation layer in a spray coating mode until the particles of the second oxidation layer are covered; the third nitriding layer forms a smooth surface. The crucible has the characteristics that the coating coverage capability is high; the stability is high; a coating layer has a high isolation degree; the crucible body can be prevented from participating in the reaction in the polycrystalline silicon preparation process, and the like.

The invention provides an intelligent refrigerator comprising a two-dimension code scanner, LED guiding lights, an odor detector, an LED display screen, a refrigerator motherboard with a CPU (central processing unit) and an internal storage, a compressor refrigerating system and a USB (universal serial bus) keyboard input interface. The technical scheme includes that number, body weight and taste of family members are entered through a USB keyboard for initialization; foods bought home and needed to put into the refrigerator are firstly placed on the two-dimension code scanner to have two-dimension codes of the foods scanned; the refrigerator motherboard with the CPU and the internal storage distributes the foods into cold storage areas according to types of the foods read by the two-dimension code scanner; the LED guiding lights are turned on, and a refrigerator door is closed after the foods are placed in the refrigerator; the refrigerator motherboard with the CPU and the internal storage starts the compressor refrigerating system according to temperature required by the foods, so that storage types, quantity and indexes can be inquired distantly by a cell phone through network connection. By the arrangement, food health and storage condition can be strictly controlled by the aid of technologies of Internet of Things and the two-dimension codes, human health can be guaranteed. The intelligent refrigerator has high practicability and is applicable to medium dual-earner families.

The invention relates to a method for processing live embryo eggs, in particular to a method for processing of live embryo eggs of chicken or other eggs. The method is mainly used for solving the problem that dead embryo eggs contain a large amount of harmful bacteria in the market and influence the human health and the like. The chosen live embryo eggs are processed, and the ingredients of material water for boiling the embryo eggs comprise: 15 kg of iodized salt, 2 kg of white sugar, 1 kg of monosodium glutamate, 2 kg of spice, 0.5 kg of cinnamon, 0.5 kg of anise, 0.2 kg of pepper, 0.5 kg of eucommia bark, 0.5 kg of medlar, 0.5 kg of astragalus, 0.2 kg of cumin and 15 kg of sodium nitrite which are added into 100 kg of water. The material water is put in a pot and the ingredients are soaked for 1 to 2 h; then the live embryo eggs are added into the pot and cooked and then stewed; and after naturally cooled, the live embryo eggs are taken out of the pot. The method has the advantages that the live embryo eggs do not contain the harmful bacteria and parasites, and are good for the human health.

The invention provides a steamer assembly and a cooking utensil. The cooking utensil comprises an inner pot. The steamer assembly comprises a steamer capable of being arranged at an opening of the inner pot, and a sterilization module arranged at the bottom of the steamer. According to the steamer assembly, the sterilization module is arranged at the bottom of the steamer and faces one side of theinterior of the inner pot; to-be-cooked food materials in the inner pot can be sterilized through the sterilization module, so that the freshness of the to-be-cooked food materials is ensured; through the cooking utensil with the sterilization module, the sterilization module can be started while an appointment function is started, the to-be-cooked food materials are sterilized through the sterilization module, thus the freshness of the food is ensured under the long-time appointment state, the problem that food goes bad due to long-time socking is solved, and the taste of the food and the user physical health are ensured; and further, the sterilization module is arranged on the steamer, the structure is simple, and the dismounting and mounting steps are easy to operate.

The invention relates to a high-purity coating type polycrystalline silicon crucible and a brushing method of a coating of the high-purity coating type polycrystalline silicon crucible. The high-purity coating type polycrystalline silicon crucible comprises a crucible body, wherein a plurality of pit or annular grooves are uniformly formed in the surface of the crucible body, and the surface of the crucible body is sequentially adhered with a first nitration layer, a second oxidization layer and a third nitration layer; the surface of the crucible body is brushed with the whey-state first nitration layer, powdery silicon oxide of the second oxidization layer is ejected to the surface of whey, vaporous silicon nitride is sprayed to the surface of the second oxidization layer until particles of the second oxidization layer are covered, and a smooth surface is formed on the third nitration layer. The high-purity coating type polycrystalline silicon crucible and the brushing method have the characteristics that the coating is strong in covering capacity and high in stability and isolation degree, and the crucible body is prevented from reacting during the preparation of polycrystalline silicon.

The invention provides a method for monitoring blood oxygen data and a device thereof. The method for monitoring blood oxygen data comprises the following steps of: 1, acquiring blood oxygen data representing the blood oxygen change of a user, and acquiring a blood oxygen differential value; 2, comparing the blood oxygen change data with the blood oxygen differential value; and 3, if the blood oxygen change data are more than the blood oxygen differential value, acquiring current altitude information. Through the method and the device, the user can detect own blood oxygen parameters at any time, so that human body health is ensured; moreover, the altitude parameters of an environment where the user is positioned can be acquired in time, so that the user can act in a high-altitude area, and the complexity of carrying and using of a plurality of detection instruments can be avoided effectively for the user; and meanwhile, the blood oxygen parameters and the altitude parameters are referred, so that the user can know own health better, and unnecessary worries are eliminated.

The invention discloses a producing method of a natural mineral absorbing and filtering oronasal respirator. The point of the technic proposal is that the producing method of the natural mineral absorbing and filtering oronasal respirator is that: choosing natural mineral absorbing and filtering agent as the raw material of the natural mineral absorbing and filtering oronasal respirator; moistening the agent and pressing into an oronasal respirator roughcast with an arc plate-shaped solid formation; then airing, baking and drilling the oronasal respirator and finally packing the oronasal respirator to a finished product. With good dust resisting effect, the natural mineral absorbing and filtering oronasal respirator can effectively absorb the soot smaller than 5 micron, the toxic gas and the harmful bug, which prevents the soot, the toxic gas and the harmful bug from being directly absorbed into the alveolus so as to guarantee the body health of the user. The natural mineral absorbing and filtering oronasal respirator is characterized by small respiration resistance, light weight and peculiar smell absorption, which can be used repeatedly after being disinfected and dried. The invention is suitable for producing the semi-ellipse bowl-shaped absorbing and filtering oronasal respirator.

The present invention discloses an anti blue-ray lens coating method. The manufacturing method is to form an anti blue-ray lens by coating film systems at an outer surface and an inner surface of a substrate molded by employing macromolecule resin materials. The manufacturing method concretely comprises the following steps of: 1) cleaning the substrate; 2) drying the cleaned substrate; 3) cleaningthe substrate again in a vacuum cabin in a vacuum evaporation machine prior to coating of the substrate; and 4) coating the substrate, wherein the coating of the substrate comprises film system coating at the outer surface of the substrate and film system coating at the inner surface of the substrate. The manufactured anti blue-ray lens and prevent human bodies from being damaged by harmful blueray and an ultraviolet ray, and has an anti-resisting function and an automatic optical regulation and control function.

The present invention discloses a manufacturing method of filtration and adsorption muzzle. The manufacturing method of the present invention is as following. The left and right surfaces of natural mineral adsorption and filtration muzzle respectively adopt absorbent gauze and sterilization medical gauze, which are tailored into the filtration and adsorption muzzle according to the shapes of the left and right surfaces of the natural mineral adsorption and filtration muzzle. The front face of the filtration and adsorption muzzle is provided with four through holes, and the last step is to package and make the finished production. The filtration and adsorption muzzle has a good dust prevention effect, can adsorb and filter respirable dust and harmful germ which are less than five micrometer, can avoid the dust and the harmful germ to be sucked into pulmonary alveolus directly, and guarantee the healthy of the user. The present invention has the features of that respiratory resistance is small, weight is light, the muzzle can absorb peculiar smell, can unpick and wash and is anti abrasive. The muzzle can be used for a plurality of times after washing, sterilization and drying. The present invention is suitable to manufacture semiellipse bowl-shaped filtration and adsorption muzzle.

An environment protection type automatic washing apparatus with small size and high moving accuracy is composed of a washing case consisting of case body, moving window, arranging window and base, a motor driven transverse moving unit installed on the top of said washing case, a longitudinal moving unit installed on said transverse one, an automatic controller, and a liquid pumping and spraying unit consisting of nozzle installed on said longitudinal moving unit, water pump and water inlet tube.

The invention provides a low-odor, low-emission and flame-retardant composite material and a preparation method thereof, and relates to the technical field of high polymer materials. The low-odor, low-emission and flame-retardant composite material provided by the invention is prepared from the following raw materials: modified polypropylene, an inorganic filler, glass beads, modified sepiolite, amodified tourmaline powder, a lubricant, zinc stearate, a coupling crosslinking agent and an antioxidant. The polypropylene composite disclosed by the invention is a low-emission organic (benzenes and aldehydes and like eight substances are low) material with good flame retardance and low odor; the material provided by the invention can be extensively applied to the automobile industry, especially the exterior and interior decoration materials of the new energy automobile, is free from environment pollution, green and environment-friendly, and capable of guaranteeing the human health of the user.

The invention belongs to the technical field of masks and specifically discloses a semiconductor thermoelectric sheet protective mask. The semiconductor thermoelectric sheet protective mask comprisesa mask body, a filter box system arranged on the mask body and an electronic control system arranged on the filter box system. A filter box body is internally provided with an air inlet section and anair outlet section which are parallel up and down. A first air guide plate and a second air guide plate are arranged in the air inlet section. The filter box body is internally further provided witha semiconductor thermoelectric sheet electrically connected with the electronic control system. The semiconductor thermoelectric sheet protective mask divides inhaled air inlet flow into an air flow heating section, an air flow cooling section and a flow stabilization adjusting section. The hot end of the semiconductor thermoelectric sheet is arranged in the air flow heating section. The cold endof the semiconductor thermoelectric sheet is arranged in the air flow cooling section. An air feeder is arranged at an air inlet of the air flow heating section and is electrically connected with theelectronic control system. An exhaust fan is arranged at an air inlet of the air outlet section. A one-way breather valve is arranged at an air outlet of the air outlet section. The semiconductor thermoelectric sheet protective mask is high in comfortability, reasonable in structure and capable of effectively improving the quality of inhaled air.

The invention discloses convenient chicken nuggets capable of reducing blood glucose in an auxiliary way. The convenient chicken nuggets are prepared from the following raw materials in parts by weight: 102 to 110 parts of chicken nuggets, 10 to 12 parts of coffee powder, 20 to 26 parts of pear juice, 3 to 4 parts of rehmannia glutinosa leaves, 1 to 2 parts of onion skin, 3 to 4 parts of shaddock peel, 1 to 2 parts of epimedium, 1 to 2 parts of eleusine indica, 4 to 7 parts of walnut powder, 2 to 3 parts of pineapple peel, 1 to 2 parts of mulberry leaves, 1 to 2 parts of coptis chinensis, 1 to 2 parts of sunflower faceplate, 0.8 to 1 part of green tea powder and a suitable amount of edible salt. According to the convenient food produced by the preparation method, not only can the single taste of the conventional convenient food be improved by the processes of medicinal material decoction, steamed infiltration, fermentation flavoring, baking and the like, but also any preservative is not added, so that human health is guaranteed. The convenient food disclosed by the invention also has very good healthcare efficiency, wherein the pear juice has sweet, sour and smooth taste, and has the effects of moistening lung, clearing heat, relieving cough, reducing sputum, nourishing blood and promoting granulation, so that the convenient chicken nuggets have good effects on throat dryness, itching, pain, muteness, thick phlegm and the like. The convenient foot disclosed by the invention has the effects of protecting liver, reducing blood pressure, nourishing yin, clearing heat and the like.

The invention discloses a production method of an absorbing and filtering oral-nasal mask. The key points of the technical proposal lie in the production method of the absorbing and filtering oral-nasal mask. The production method is that: absorbent gauzes and sterilizing medical gauzes are respectively used at the left face and the right face of a natural mineral absorbing and filtering oral-nasal mask. The absorbing and filtering oral-nasal mask is made according to different shapes at the two faces of the natural mineral absorbing and filtering oral-nasal mask. The frontage of the absorbing and filtering oral-nasal mask is provided with four through holes and package is the finished product of the absorbing and filtering oral-nasal mask. The absorbing and filtering oral-nasal mask has good dustproof effect, which can absorb and filter respiratory dust and detrimental pathogenic bacteria of less than 5 microns, thus preventing dust and detrimental pathogenic bacteria from being directly sucked into pulmonary alveolus and guaranteeing body health of users. The invention is characterized by small breath resistance, light weight and being capable of absorbing peculiar smell and being reused for a plurality of times after sterilization and evaporation, which is applicable for producing three-dimensional absorbing and filtering oral-nasal masks with a shape like an arched plate.

The present invention discloses a manufacturing method of filtration and adsorption muzzle. The manufacturing method of the present invention is as following. The left and right surfaces of natural mineral adsorption and filtration muzzle respectively adopt absorbent gauze and sterilization medical gauze, which are tailored into the filtration and adsorption muzzle according to the shapes of the left and right surfaces of the natural mineral adsorption and filtration muzzle. The front face of the filtration and adsorption muzzle is provided with four through holes, and the last step is to package and make the finished production. The filtration and adsorption muzzle has a good dust prevention effect, can adsorb and filter respirable dust and harmful germ which are less than five micrometer, can avoid the dust and the harmful germ to be sucked into pulmonary alveolus directly, and guarantee the healthy of the user. The present invention has the features of that respiratory resistance is small, weight is light, the muzzle can absorb peculiar smell, can unpick and wash and is anti abrasive. The muzzle can be used for a plurality of times after washing, sterilization and drying. The present invention is suitable to manufacture semiellipse bowl-shaped filtration and adsorption muzzle.

The invention provides a crucible taking and placing device, which comprises a taking and placing unit, a transfer unit and a control unit, wherein the taking and placing unit includes a magnetic diskbody and a handle arranged on the magnetic disk body, and the magnetic disk body is internally provided with electromagnets; the transfer unit includes a transfer cover body and a fastener, and the transfer cover body is provided with a magnet; and the control unit includes an electromagnet switch and used for controlling the opening and closing of the electromagnets. The crucible taking and placing device provided by the invention takes and places crucibles with different apertures by adopting a novel magnetic attraction mode, and the cover body of the corresponding crucible rather than a nozzle of the crucible is magnetically attracted, thereby avoiding a problem that the corresponding taking and placing device needs to be replaced due to different apertures of the taken and placed crucibles in the prior art.

The invention discloses a method for preparing fishes into a fish instant food with peppermint flavor. The method is characterized in that the food comprises raw materials, seasonings, additives and water, wherein the raw materials comprise fish pieces, corn starch, wheat flour and edible oil, and the seasonings comprise monosodium glutamate, refined salt, ginger powder, illicium verum powder, fennel, pepper powder, and peppermint oil. The processing steps comprise: 1, removing skin and bone from the fish, cutting to provide a spare use; 2, preparing a seasoning liquid, and soaking the fish pieces into the seasoning liquid; 3, preparing a slurry, and mixing the drained fish pieces and the slurry according to a weight ratio of 1-10:1, wherein the slurry comprises the corn starch, the wheat flour, a leavening agent and the water; 4, placing the slurry-coated fish pieces in an oil pan with a temperature of 180 DEG C to fry, and then carrying out quick freezing to obtain the finished product, wherein the temperature is less than -30 DEG C. The fish instant food of the present invention has advantages of simple processing, capability of treatments by microwave, frying, baking, and other manners, convenient taking, and the like. The fish instant food prepared by the formula of the present invention is an instant food with characteristics of unique flavor, crisp taste outside, tender taste inside, delicious meat, rich nutrition, appetite increasing, and adaptation to the modern fast pace.

The invention provides a milk warmer capable of achieving water level variation and constant-temperature control. The milk warmer comprises a heating base with a heating element and a shell assembly mounted on the heating base. The heating base is provided with a heating cavity for storing water and heating the water, the shell assembly comprises a milk warming shell with a milk warming cavity anda sealing block allowing the milk warming shell to be assembled on the heating cavity in a sealed mode, and when the shell assembly is assembled on the heating base, the milk warming shell is locatedabove the heating cavity. The sealing block is located between the milk warming shell and the heating cavity, a guide pipe which is communicated with the milk warming cavity and extends downwards tostretch into the heating cavity is arranged at the bottom of the milk warming shell, so that hot water in the heating cavity is conveyed upwards into the milk warming cavity at the high-temperature heating state, or the water in the milk warming cavity is conveyed downwards into the heating cavity after the temperature of the water is reduced, an ideal heating or heat preservation effect is achieved, and nutrition of milk or juice is preserved.

The invention discloses a producing method of a natural mineral absorbing and filtering respirator. The point of the technic proposal is that the producing method of the natural mineral absorbing and filtering respirator is that: choosing natural mineral absorbing and filtering agent as the raw material of the natural mineral absorbing and filtering respirator; moistening the agent and pressing into a semi-ellipse bowl-shaped respirator; then airing, baking and drilling the respirator and finally packing the respirator to a finished product. With good effect, the natural mineral absorbing and filtering respirator can effectively absorb the soot smaller than 5 micron, the toxic gas and the harmful bug, which prevents the soot, the toxic gas and the harmful bug from being directly absorbed into the alveolus so as to guarantee the body health of the user. The natural mineral absorbing and filtering respirator is characterized in small respiration resistance, light weight and peculiar smell absorption, which can be used repeatedly after being disinfected and dried. The invention is suitable for producing the semi-ellipse bowl-shaped absorbing and filtering respirator.

The invention discloses a three-chuck type laser pipe cutting machine with a follow-up dust removal function. The three-chuck type laser pipe cutting machine comprises a workbench, a fixed chuck base is arranged at one transverse end of the upper portion of the workbench, two first sliding rails which are distributed in the transverse direction and parallel to each other are arranged at the other end of the upper portion of the workbench, and a material receiving device is arranged at the position, between the fixed chuck base and the first sliding rails, of the top of the workbench. A supporting plate on one longitudinal side of the material receiving device is rotationally connected with a protective safety door, the other longitudinal side of the material receiving device is provided with a hollowed-out part, a transverse moving assembly is arranged on the outer surface, corresponding to the hollowed-out part, of the side, longitudinally away from the protective safety door, of the workbench, and a lifting assembly is arranged at the top of the transverse moving assembly. A longitudinal moving assembly is arranged on one transverse side of the lifting assembly, and a clamping device is arranged at the end, longitudinally close to a laser head assembly, of the longitudinal moving assembly. The three-chuck type laser pipe cutting machine has the beneficial effects that the problems that a large amount of smoke and dust are generated when a laser pipe cutting machine is used for cutting pipes, the workshop environment is polluted, and the body health of operators is harmed can be solved.

The invention provides a silicon nitride crucible coating and a preparation method thereof. The preparation method comprises the following steps: adding adhesive, dispersant and silicon nitride into the deionized water, and uniformly mixing to obtain the sizing agent, wherein weight ratio of silicon nitride to adhesive to dispersant is 100 : (15-28) : (5-12), weight ratio of silicon nitride to deionized water is 1 : (3-4), and the adhesive is one of organosilan, metasilicic acid, polyatomic alcohol, polyvinyl alcohol and acrylate; and spraying or dipcoating the sizing agent to the inner surface of the crucible, and performing calcination and annealing at the temperature of 260 DEG C to 550 DEG C in an inert gas atmosphere, wherein oxygen content of the silicon nitride crucible coating is 1 wt% to 5 wt%. According to the invention, a certain amount of adhesive is added into the sizing agent, and subsequent calcination is controlled to be carried out in the argon gas atmosphere, so that a great amount of dust generated in the spraying process is avoided, and adhesion strength of the coating is enhanced, and as the oxygen content of the coating is controlled to be lower, the requirement of high-quality polycrystalline silicon chip production for the oxygen content of the coating can be met.

The invention discloses a polyethylene composite resin beverage bottle with good fire resistance. The polyethylene composite resin beverage bottle comprises the following components in percentage by mass: 25-30% of polyethylene resin, 12-16% of polycarbonate, 5-10% of polylactic acid particles, 6.7-8.5% of a plasticizer, 4.6-5.7% of a compatilizer, 2.68-2.97% of an antibacterial agent, 2.25-3.25%of an antioxidant and the balance of a urethane adhesive; the invention further discloses a preparation method of the polyethylene composite resin beverage bottle with good fire resistance, the preparation method comprises the following steps: weighing the raw materials, drying and grinding, preparing a master batch, preparing an auxiliary material, preparing a finished product soft material and extruding and forming; the heat resistance and high temperature resistance of the polyethylene composite resin beverage bottle can be better, the fire resistance is better, the stability of the beverage bottle can be enhanced, and the aging resistance is better; and the antioxidant and the antibacterial agent are added, so that the beverage bottle has a certain antibacterial effect, and the human health of eaters can be guaranteed; the preparation method disclosed by the invention is simpler, low in equipment requirement and good in popularization effect.

The invention provides a crucible pick-and-place device, which includes a pick-and-place unit, an adapter unit and a control unit. Wherein the pick-and-place unit includes a disk body and a handle arranged on the disk body, wherein an electromagnet is arranged in the disk body. The adapter unit includes an adapter cover and a buckle, wherein the adapter cover is provided with a magnet. The control unit includes an electromagnet switch for controlling the opening and closing of the electromagnet. The invention provides a crucible pick-and-place device, which adopts an innovative magnetic adsorption method to pick and place crucibles with different calibers, because the object for magnetic adsorption is the cover of the corresponding crucible instead of the nozzle of the crucible, thereby avoiding In the prior art, there is a problem that the corresponding pick-and-place device needs to be replaced due to the different nozzle diameters of the pick-and-place crucible.

The invention discloses an environment-friendly automatic washing device, which comprises a washing box, a lateral movement device, a longitudinal movement device, an automatic control device, a liquid pumping and spraying device and a waste gas sealing structure; the washing box includes a box body, a moving window, a placement window, a box The base, the bearing plate of the lateral movement device driven by the motor is installed on the top of the washing box, the lateral movement device also includes a mounting base, the longitudinal movement device is installed on the mounting base of the lateral movement device, and the liquid pumping and spraying device includes a nozzle, The water pump, the water inlet pipe, and the nozzle are installed on the longitudinal movement device and connected with the water pump. The exhaust gas sealing structure is a sealing belt device. The grooved pulley is fixed on the four corners of the washing box, and the two ends of the sealing belt are driven by the installation base to move synchronously with the longitudinal movement device to achieve the effect of suppressing the volatilization of the liquid in the box.

The invention discloses a producing method of a natural mineral absorbing and filtering respirator. The point of the technic proposal is that the producing method of the natural mineral absorbing and filtering respirator is that: choosing natural mineral absorbing and filtering agent as the raw material of the natural mineral absorbing and filtering respirator; moistening the agent and pressing into a semi-ellipse bowl-shaped respirator; then airing, baking and drilling the respirator and finally packing the respirator to a finished product. With good effect, the natural mineral absorbing andfiltering respirator can effectively absorb the soot smaller than 5 micron, the toxic gas and the harmful bug, which prevents the soot, the toxic gas and the harmful bug from being directly absorbed into the alveolus so as to guarantee the body health of the user. The natural mineral absorbing and filtering respirator is characterized in small respiration resistance, light weight and peculiar smell absorption, which can be used repeatedly after being disinfected and dried. The invention is suitable for producing the semi-ellipse bowl-shaped absorbing and filtering respirator.

The invention discloses a fresh keeping method for bananas. The fresh keeping method comprises the following steps: radiating bananas by using a UV-C (ultraviolet C) ultraviolet lamp; after a first preset time of radiation, soaking the bananas into a chitosan solution; and after a second preset time of soaking, drying the bananas in the air, and performing preservation. By adopting the fresh keeping method disclosed by the invention, maturity of the bananas can be retarded, the fresh keeping period of the bananas can be prolonged, and in addition, human health can be facilitated

The invention discloses a producing method of a natural mineral absorbing and filtering oronasal respirator. The point of the technic proposal is that the producing method of the natural mineral absorbing and filtering oronasal respirator is that: choosing natural mineral absorbing and filtering agent as the raw material of the natural mineral absorbing and filtering oronasal respirator; moistening the agent and pressing into an oronasal respirator roughcast with an arc plate-shaped solid formation; then airing, baking and drilling the oronasal respirator and finally packing the oronasal respirator to a finished product. With good dust resisting effect, the natural mineral absorbing and filtering oronasal respirator can effectively absorb the soot smaller than 5 micron, the toxic gas and the harmful bug, which prevents the soot, the toxic gas and the harmful bug from being directly absorbed into the alveolus so as to guarantee the body health of the user. The natural mineral absorbingand filtering oronasal respirator is characterized by small respiration resistance, light weight and peculiar smell absorption, which can be used repeatedly after being disinfected and dried. The invention is suitable for producing the semi-ellipse bowl-shaped absorbing and filtering oronasal respirator.

The present invention relates to a sewage treatment equipment. In the interior of sewate treatment sump, there are natural microbial pool and sewage treatment equipment of aeration installation. Its aerating pipe is connected with an external air compressor capable of feeding air so as to fully stir the seage being in the treatment sump, and increase its air-transferring efficiency and mass-produce clean water to obtain the effect of eliminating organic sludge and cleaning sewage. The aerating pipe of said equipment is movably mouted at a preset position with a certain height from treatment sump bottom, and all the water intake pipes and water discharge pipes as well as water inlets and water outlets of all the treatment sumps are in same level height state.