315results about How to "Guaranteed bactericidal effect" patented technology

The invention provides a static dedusting air purifier which comprises a shell, wherein a static dedusting unit used for ionizing air and enabling pollutants to form particles and subside, a mixed flow sterilization unit used for retaining ionized air and carrying out sterilization through utilizing ozone generated after ionization, a detection unit used for detecting an air quality parameter in the mixed flow sterilization unit and outputting the air quality parameter to a control unit, and the control unit used for receiving the air quality parameter and controlling the static dedusting unit and / or the mixed flow sterilization unit to act according to the air quality parameter are sequentially arranged inside the shell from bottom to top, wherein a circuitously communicated airflow channel is formed inside the mixed flow sterilization unit; the ozone concentration of an inlet of the airflow channel is higher than the ozone concentration of an outlet of the airflow channel; the outlet of the airflow channel is connected with a clean air feeding fan; the control unit controls the air speed of the clean air feeding fan; and clean air is exhausted through an upper air outlet in the top end of the shell. The static dedusting air purifier has the advantages of good purification effect, low energy consumption and convenience in utilization.

The invention relates to a preparation method of preserved rice noodles. The preparation method includes the steps of rice machining and sand filtration, smashing, humidity adjustment, extrusion for gelatinization, extrusion for emerging of silk noodles, cutting off, checking and packaging. The preparation method is characterized by taking the rice noodles before extrusion for emerging of silk noodle and drying as materials, wherein the water content of the rice noodles at the moment is 25wt%-30wt% and the temperature is 40-60 DEG C; cutting the rice noodles to 17-19cm; soaking the rice noodles for 60-100min in Didazuril bactericide solution with concentration of 50%-60% and temperature of 35-45 DEG C, wherein the ratio of material to liquid is 1wt%:5wt%; conducting vacuum packaging, wherein the vacuum degree is 0.09MPa-0.092Mpa; thermally sterilizing the rice noodles for 0.5h-1h in a water bath maintained at the temperature of 90-95 DEG C; cooling packaging bags with circulating cold water so as to fast reduce the temperature in the center of the packaged material to 30-35 5 DEG C; blowing the water at the outer surfaces of the packaging bags to dry; checking whether the packaging bags bulge and break and conducing metal detection; putting the rice noodles together with auxiliary materials such as matched sauce bags in a packaging box; and sealing the packaging box, thus obtaining a finished product. For the preserved rice noodles produced according to the preparation method, the water content is higher than 60% and the quality guarantee period is longer than 6 months; the infusing and dispersing performance is good; caking does not happen and undesirable odor does not emerge; the dissolving starch rate of the rice noodles is low; after culture for 1 month at the temperature of 37 DEG C, the rice noodles achieve 1426g of hardness, 26.14gs of crisp performance, 512 of viscosity, 0.513s of viscoelasticity.

The invention relates to the technical field of ultraviolet light sterilization devices, and particularly relates to a ultraviolet light-based intelligent sterilization device and a sterilization control method thereof. The intelligent sterilization device comprises an ultraviolet light source assembly, a living creature detection unit and a sterilization control unit. The ultraviolet light sourceassembly is arranged in a target sterilization area and capable of emitting ultraviolet light when in work, the living creature detection unit is used for monitoring the target sterilization area inreal time and capable of sending out corresponding living creature detection signals when human beings or animals in the target sterilization area are detected, and the sterilization control unit is used for controlling the working state of the ultraviolet light source assembly according to preset sterilization working time. The invention also discloses the sterilization control method of the intelligent sterilization device. According to the invention, the intelligent sterilization device and the sterilization control method can ensure the sterilization effect, avoid the damage to the human body or the animal, protect the health of the human body and the animal and improve the use effect of the intelligent sterilization device.

The invention relates to a javelle water and a preparation method thereof. The stable activation-state javelle water comprises the following components (wt percent): 4-7 sodium hypochlorite, 0.5-1sodium chlorate, 0.25-1.5 sodium chloride, 1-3 dodecyl dimethyl tertiary amine, 0.1-0.5 metal ion complexing agent, 0.1-0.5 organic phosphonic acid, 0.5-1.5 phosphonic acid, and water of rest percent. The preparation method comprises the following steps: according to the content and components, adding sodium chlorate and sodium chloride in the water and then stirring; adding the metal ion complexing agent and stirring the solution; adding the sodium chlorate and stirring the solution; adding the organic phosphonic acid and stirring solution; adding the dodecyl dimethyl tertiary amine and stirring solution; adding the phosphonic acid and stirring; and uniformly stirring the solution so as to obtain the javelle water. The javelle water provided by the invention has the advantages of stable quality, good sterilizing effect and convenience in use.

The invention relates to an integrated sterilization method for liquid food, in particular to an ultrasonic and heat integrated sterilization method for orange juice, and belongs to the technical field of food. The method comprises the following steps of: homogenizing fresh orange juice serving as a raw material, heating until the temperature of the orange juice is between 40 and 60 DEG C, and performing ultrasonic treatment, wherein the treatment conditions are that: the ultrasonic amplitude is 30 to 60 percent, the ultrasonic treatment time is 3 to 15 minutes, the continuous pulse working time on value is 20 to 40 seconds, and the interpulse period off value is 20 to 30 seconds; and finishing the whole sterilization process after the ultrasonic treatment is finished. The main ingredients and sensory quality of a product before and after ultrasonic and heat integrated sterilization are not obviously changed; the natural color, mouthfeel and flavor of the orange juice can be kept furthest on the basis of ensuring the sterilization effect; and the sterilization method has a wide prospect and is ideal.

The invention relates to a bactericidal and algaecidal composition for an intermediate water system, a prepration method and an application thereof, wherein, the composition comprises the following components of bisquaternary ammonium salt, modified quatemary ammonium salt, penetrating agent, synergist and water, wherein, the water is used as a solvent. The bactericidal and algaecidal compositioncan effectively prevent the propagation of bacteria and algae and other phenomena in cooling water. The bactericidal and algaecidal composition simultaneously has the roles of stripping slime, removing odor and the like. The result shows that the composition has significant bactericidal and algaecidal effects, the bactericidal rate of heterotrophic bacteria, iron bacteria, ammonifying bacteria andsulfate-reducing bacteria can be more than 95%, the bactericidal effect is excellent, the composition is applicable to water quality with complicated change (high high-temperature and float indicators, high ammonia nitrogen indicators, high oil indicators and high organic phosphorus indicators), a wide range of fluctuations and the like, the dose is small, and the excellent bactericidal and algaecidal requirements can be achieved by only 50-100mg / l. In addition, the product has small toxicity and easy degradation. Therefor, the composition has good economic benefits, environmental protectionbenefits and social benefits for enterprises.

The invention discloses an air conditioner sterilization control method and device and a computer readable storage medium. The method includes the following steps that when a sterilization instructionis received, an air conditioner is controlled to get into a sterilization manner, and sterilization operation is executed; whether a self-cleaning condition is met or not is determined; and if the self-cleaning condition is met, the air conditioner gets into a self-cleaning manner. As the air conditioner is firstly sterilized at high temperature and then self-cleaned, the air conditioner is keptat high temperature in the sterilization process, and the sterilization effect is guaranteed while the cleaning effect of self-cleaning is guaranteed; and the sterilization operation is additionally arranged before the self-cleaning operation of the air conditioner, the cleaning effect of the self-cleaning process of the air conditioner is better, thus, the self-cleaning effect of the air conditioner is improved, and the technical problem that the sterilization effect of an existing self-cleaning technology is poor is solved.

The industrial production method of Chinese traditional air-dried goose includes the following steps: mechanically-killing live goose, eviscerating, poaching, dewatering, curing in specially-made pickle to make salt component and natural spice infiltrate into goose body, and mechanically air-drying and controlling air-drying temp., relative humidity and air-speed in the required range so as to obtain the invented air-dried raw goose with high protein, low-fat and unique flavour. Said invention raises its production efficiency, stabilizes product quality and can implement large-scale production.

The invention discloses a composite pulp drink of sweet potatoes and yellow peaches and a preparation method thereof. The drink comprises composite pulp and stabilizing agents, wherein the composite pulp comprises the original pulp of the sweet potatoes and the yellow peaches, and the original juice of apples and pears with the volume ratio of (40-55):(20-30):(10-15):(10-20); the stabilizing agents are xanthan gum accounting for 0.02-0.06% of the total volume of the drink, gellen gum accounting for 0.005-0.03% of the total volume of the drink and acid-resistant type CMC (Sodium Carboxy MethylCellulose) accounting for 0.01-0.06% of the total volume of the drink. The composite pulp drink highlights the unique fragrance of the sweet potatoes, simultaneously is rich in nutritive ingredients of the sweet potatoes, the yellow peaches, the apples and the pears, has unique flavor and uniform and stable state, is a novel health-care composite pulp drinks with fruits, and has wide market prospect.

The invention discloses an intensive pulse light sterilizing method. The intensive pulse light sterilizing method is applied to a main control board in a sterilizing robot. The method comprises the following steps of detecting the ultraviolet energy strength of an intensive pulse light device through a light strength detection device; when the ultraviolet energy strength is lower than a preset energy threshold value, adjusting the ultraviolet energy strength; acquiring a video image of sterilizing conditions under the ultraviolet energy strength through a camera; sending the video image to a client side of a user through a wireless chip, making the user check the sterilizing conditions through the client side and controlling the sterilizing robot. By means of the intensive pulse light sterilizing method, by sending the video image to the client side of the user through the wireless chip, making the user check the sterilizing conditions and conducting corresponding control, the human-machine separation effect is achieved. The ultraviolet energy strength can be automatically adjusted, the sterilizing effect is guaranteed, and the sterilizing time is greatly shortened. The invention further discloses the high voltage pulse sterilizing robot, and the high voltage pulse robot has the corresponding advantages.

The invention discloses a seawater desalination method. The seawater desalination method comprises the following steps: seawater pretreatment, ultrafiltration filtration, first-stage reverse osmosis membrane filtration, second-stage reverse osmosis membrane filtration and mineralization. The mineralization comprises the steps of introducing carbon dioxide gas into water of a desalination water tank, and adding a saturated limewater solution, wherein the adding proportion of carbon dioxide and saturated limewater is 2.5 to 1, and the contents of residual chlorine at a raw seawater inlet pipeline, a front filter, an ultrafiltration system, an ultrafiltration water producing pipeline and an ultrafiltration water tank are respectively 5ppm, 4ppm, 2ppm, 1ppm and 0.8ppm. The mineralization method is direct, simple, efficient, short in consumed time and stable in water quality; and a sodium hypochlorite adding site is arranged at a seawater extraction hole, and a reducing agent adding site and a non-oxidation sterilizing agent feeding point are arranged in front of a reverse osmosis membrane group, so that the sterilization effect of a full seawater desalination line can be guaranteed, the osmosis membrane is not damaged, meanwhile, the use amount of the non-oxidation sterilizing agent can be further reduced, and the cost is lowered.

The invention discloses a pasteurization machine which is used for solving the problems that the incongruous water temperature in a sterilization tank in the prior art influences the sterilization effect. The pasteurization machine comprises a rack, wherein a sterilization tank and a cooling tank are arranged sequentially on the rack and are provided with a conveyer belt; the sterilization tank consists of a base plate, two side plates and two inclined plates which are connected with one other; a temperature sensor is arranged in the sterilization tank; the two side plates are provided with at least two inclined baffles; the baffles and the side plates form a channel; the baffle on the front section of the side plates is higher than the baffle on the rear section of the side plates. Due to the adoption of the pasteurization machine, water in the sterilization tank is driven to circulate, the consistent water temperature of all parts in the sterilization tank is guaranteed, and the temperature sensor can detect the water temperature in the sterilization tank accurately so as to guarantee the sterilization effect; the pasteurization machine has the characteristics of simple structure and high practicability.

The invention relates to the technical field of sterilization air conditioners, and particularly relates to a control method of a sterilization air conditioner. The control method aims at solving theproblem that in the prior art, the cost is high due to the technical scheme that a lamp body is replaced with a light-emitting body with the longer service life or a standby light-emitting body is arranged. In order to achieve the purpose, the control method comprises the steps that whether the sterilization air conditioner meets the starting condition or not is judged; when the starting conditionis met, a sterilization lamp is controlled to be started intermittently; and the starting condition comprises the steps that the automatic sterilization function is in a starting state, the particleconcentration of the operation environment is larger than a high-order threshold value, and a draught fan is in an operation state. According to the control manner, on the premise that the air conditioner hardware cost is not increased, the balance between the sterilization effect and the service life of the lamp body is achieved, and the maximum service life of the lamp body with the sterilization effect is achieved.

The embodiments of the invention disclose an elevator management method and an intelligent control device. The elevator management method includes the steps that the intelligent control device determines the current status of an elevator, when it is determined that the elevator does not carry people, an ultraviolet radiator is controlled to turn on so that ultraviolet light kills germs inside theelevator, and the ultraviolet radiator is arranged inside the elevator; and the intelligent control device controls the ultraviolet radiator to turn off when judging that the preset condition for turning off the ultraviolet radiator is met. According to the intelligent control device in the embodiments, the ultraviolet radiator is controlled to be turned on when it is determined that the elevatordoes not carry people, the ultraviolet light is used to kill the germs in the elevator to enable the inner part of the elevator to be more comfortable and cleaner, and the spread of viruses is contained; and the ultraviolet radiator is controlled to be turned off when it is not suitable to turn on, more intelligence is achieved, the sterilization effect is ensured, and the service life of the ultraviolet radiator is prolonged.

The invention relates to an indoor air purification and disinfection device. The indoor air purification and disinfection device comprises a shell, a primary filter, an efficient filter and a controller; an air inlet is formed in the bottom of the shell, the primary filter is arranged on the air inlet, an air inlet draught fan is arranged at the position, corresponding to the air inlet, in the shell, the efficient filter is arranged above the air inlet draught fan, and comprises a circulating groove and an efficient filter element, the efficient filter element is arranged above the circulating groove, a sliding block is arranged on the outer wall of the efficient filter element, and is connected with the inner wall of the shell through a sliding rail, the outside of the efficient filter element is connected with the output end of a rotating motor through a transmission device, the rotating motor is connected with the controller, a cutting plate is arranged above the efficient filter, an oxygen activator is arranged on the cutting plate, and an air inlet pipe is arranged on the oxygen activator. The device has the beneficial effects that the service life of the efficient filter element is prolonged, the filter effect is ensured, disinfection and sterilization are achieved, high-activity oxygen particles can be generated, and indoor air is more clean.

The invention discloses an environment-friendly live poultry breeding greenhouse. The environment-friendly live poultry breeding greenhouse comprises a greenhouse body; the left lower end of the greenhouse body is provided with a first suction port, and the left end of the first suction port is communicated with a filter tank; the inner wall of the filter tank is provided with a filter screen, thefilter tank is communicated with an ultraviolet treatment tank through a fan, the inside of the ultraviolet treatment tank is provided with an ultraviolet sterilizing lamp, the bottom of the ultraviolet treatment tank is provided with a temperature regulator, and the left end of the ultraviolet treatment tank is provided with an exhaust tank; the left end of the exhaust tank is provided with an air inlet tank, the right upper corner of the inner wall of the air inlet tank is provided with a cooling device, and the connecting part of the air inlet tank and the exhaust tank is provided with a heat source exchange device; the top end of the air inlet tank is communicated with an air inlet pipe; the bottom end of the inner wall of the greenhouse body is provided with an automatic cleaning type pen house, and the bottom of the automatic cleaning type pen house is provided with a biogas digester. The environment-friendly live poultry breeding greenhouse relates to the technical field of live poultry breeding and achieves the aims of waste gas treatment, automatic manure cleaning, manure reutilization and water resource saving and accordingly is high in degree of environmental protection.

The present invention relates to a pure apple juice, in which the soluble solids are 11.5 deg.BX-12 deg.BX, total acid content is 0.40-0.45%, fruit flesh content is (-3%, and in each 100g of apple juice the ascorbic acid content is 50-100 mg. Said invention also discloses its preparation method, it is a pure natural fruit juice containing no chemical adjuvant and preservative, and said preparation process does not adopt enzymolysis and pectin tannin precipilation process, and can retain all the nutrient components of the original apple.

An antibacterial film is prepared from polyacrylic resin, assistant and antibacterial mother particles through bidirectional drawing. Its advantages are high and durable bacteria killing and suppressing effect and antimildew effect, high strength, uniformity, transparency, and thermal stability, and high safety.

The invention discloses a sterilizing toilet cleaning block which is prepared from raw materials comprising macromolecule adhesive, bactericide, dye, a surface active agent and cleaning auxiliary agent. The bactericide adopts nonoxidative bactericide. The sterilizing toilet cleaning block consists of nonoxidative bactericide and dye; and the dye can not discolor or fade when in use, and the sterilizing toilet cleaning block has higher sterilizing effect.

The invention relates to a production method of a whole oat flour product and a fresh-keeping whole oat flour product. The method comprises the following steps of pretreating raw materials, performing dough making, fermenting the obtained dough, performing extruding to obtain strips, performing quick-freezing, performing ageing, performing unfreezing, performing soaking, performing sterilizing, performing ageing for the second time, performing sterilizing for the second time, and the like, so that a dried product and a fresh-keeping product of the whole oat flour product are produced. The prepared whole oat flour product is unique in flavor, chewy in mouth feel, elastic, and resistant to cook, and does not swell after absorbing water. The prepared fresh-keeping flour product greatly reserves the characteristics of the quality and the mouth feel of fresh wet flour products, can be stored under normal atmospheric temperature for 12 months, and can be eaten after being soaked with boiling water and rehydrated.

The invention relates to bacillus subtilis and mancozeb farm chemical composite bactericide, and a formula of a wettable powder formula and a preparation method thereof. The active components of the bactericide comprise 95 to 99 percent of bacillus subtilis original powder and 1 to 5 percent of mancozeb. The wettable powder can be prepared by adding 1 to 10 parts of wetting agent, 40 to 50 parts of filling material and 1 to 10 parts of carrier into the active components; and grinding in a fluidized bed air flow grinder to more than 200 meshes. In the composite bactericide, the synergistic effects of the bacillus subtilis and mancozeb are obvious, the pollution of the farm chemical to the environment and the residual of the farm chemical in fruits are reduced, borrytis cinerea and the like can be prevented and controlled effectively, and the increase in the medicine resistance in pathogenic bacteria is delayed. The preparation method of the bactericide disclosed by the invention is simple, and the production cost is low.

The invention discloses a dosed sewage treatment system with an automatic monitoring function. The system comprises a computer, a PLC, a sewage treatment tank, a dosing pump for dosing in the sewage treatment tank, an automatic sampler, an automatic grabbing arm, a water quality tester and fluorescence monitoring equipment, wherein a stirring device is arranged in the sewage treatment tank; a sampling port is formed in the sewage treatment tank, a water outlet pipe connected with the sampling port conveys a water sample to a sampling bottle, the automatic sampler and the automatic grabbing armare connected with the computer through leads, and automatic sampling is realized through a program installed on the computer; a sample outlet is arranged at the bottom of the sampling bottle; the sample outlet is connected with the water quality tester through a guide pipe, and the automatic grabbing arm is used for carrying a sample storage device to the fluorescence monitoring equipment for fluorescence intensity analysis. The system has the benefits as follows: the agent addition accuracy is improved, the agent waste is reduced and the cost is reduced; meanwhile, a stirring sheet device with an agent outlet is adopted, so that agents are mixed more uniformly in the sewage treatment tank, and the treatment efficiency and the effluent quality are improved.

The invention discloses a composite pumpkin pulp beverage, the main components of which include pumpkin pulp, carrot pulp, tomato pulp and apple pulp; the percentages of the main components in volume are 40-60% of pumpkin pulp, 10-30% of carrot pulp, 10-25% of tomato pulp and 15-25% of apple pulp; other accessories are added during the mixing process; the raw materials are fixed uniformly, ground by a colloid grinder and then homogenized for twice at the pressure of 20-40 Mpa, and the uniform and stable composite pumpkin pulp beverage is obtained; the composite pumpkin pulp beverage is degassed at vacuum under certain conditions and then sterilized and filled to form the finished composite pumpkin pulp beverage. The product is rich in carotenoid and dietary fibers and works well in improving eyesight and promoting gastrointestinal motility; the special coordinated taste produced by the mixing of the pumpkin pulp and the carrot pulp is punctuated; carotene and carotenoid in the pumpkins, the carrots and the tomatoes are reacted mutually to generate stable colors and biological activities, and meanwhile, the acidity and the nutrition constituents are adjusted by using apple juice; the product is a novel composite fruit-vegetable juice with uniform shape, smooth taste and stable colors.

The present invention discloses a traditional Chinese rice pudding preservation method. The preservation method comprises the following steps: (1) raw material obtaining: wrapped, molded and cooked traditional Chinese rice puddings are used as raw materials; (2) cooling; (3) sterilizing agent spraying or soaking: the sterilizing agent is at least one of H<2>O<2>, a H<2>O<2>-Ag<+> compound, a H<2>O<2>-Fe<2+> compound, and a H<2>O<2>-citric acid compound; (4) air-drying; and (5) packaging. The unique features are that by controlling different hurdle factors, the obtained traditional Chinese rice puddings can be placed at room temperature for 20-60 days and the used compound sterilizing agent is colorless, odorless and non-toxic. The processing processes are simple, the cost is low, the implementation is strong, etc.

The invention discloses high-voltage electric field and low-temperature plasma cold sterilization production line equipment. The high-voltage electric field and low-temperature plasma cold sterilization production line equipment comprises a machine case, a rack, a conveyor belt mechanism, high-voltage electric field and low-temperature plasma cold sterilization core devices, a high-voltage transformer, a high-voltage control cabinet, high-voltage electric field shielding doors and a control device. The high-voltage electric field and low-temperature plasma cold sterilization core devices are arranged in the machine case above the rack and 2 to 5 groups of the high-voltage electric field and low-temperature plasma cold sterilization core devices are arranged at a certain distance along a movement direction of the conveyor belt mechanism; each high-voltage electric field and low-temperature plasma cold sterilization core device is composed of a plurality of groups of high-voltage electrode assemblies which are arrayed in one row in parallel at an equal distance; the high-voltage electric field shielding doors are arranged at an entrance and an exit of a sterilized packaging part on the rack respectively in a hoistable manner. The high-voltage electric field and low-temperature plasma cold sterilization production line equipment is used for carrying out a plurality of times of low-temperature plasma continuous sterilization treatment on a packaging product; the sterilization time is short, the effect is good, and the efficiency is high; a sterilization procedure is accurate and controllable, is simple to operate and can be adaptive to automatic production requirements of large-scale cold sterilization and fresh-keeping packaging of foods.

The invention belongs to the technical field of microorganism prevention and treatment, and particularly relates to a vibrio parahaemolyticus bacteriophage VP-HYP MCS-1 and bdellovibrio bacteriovorusHalobacterovoraxsp.MCS-1 composition and application thereof to prevention and treatment of prawn pathogenic vibrio parahaemolyticus infection. The vibrio parahaemolyticus bacteriophage is vibrio parahaemolyticus bacteriophage VP-HYPMCS-1, is preserved in China General Microbiological Culture Collection Center, and has a preservation number of CGMCC No.199693. The vibrio parahaemolyticus bacteriophage is a vibrio parahaemolyticus bacteriophage VP-HYPMCS-1. The bdellovibrio parahaemolyticus is bdellovibrio parahaemolyticus Halobacterovoraxsp.MCS-1, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has a preservation number of CGMCC No.199694. The invention also discloses a preparation method of the bdellovibrio parahaemolyticus strain. The virulent bacteriophage VP-HYP MCS-1 obtained through separation is high in host specificity and has cracking and killing effects on vibrio parahaemolyticus; the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 is obtained through separation, the host spectrum of the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 is wide, and the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 has cracking and killing effects on various vibrios including vibrio parahaemolyticus; the vibrio parahaemolyticus bacteriophage and bdellovibrio bacteriovorus provided by the invention have good application prospects in prevention and control of prawn pathogenic vibrio parahaemolyticus infection.

The invention provides a sterilizing moist towelette and a preparation method thereof. The sterilizing moist towelette is formed by mixing an ilex chinensis sims water extract and a chlorine dioxide water solution and then soaking by using a sterilizing non-woven fabric. The sterilizing moist towelette provided by the invention has the advantages of good sterilizing effect on escherichia coli and staphylococcus aureus, high sterilizing rate, stability in storage property, long quality guarantee period, no stimulation on skin, no allergic reaction on the skin, soft and thick texture, no alcohol, safety in use, portability and suitability for multiple places and is a very good hygienic product during the daily life and travel of people.

The invention discloses an intelligent sterilization and disinfection method for an elevator. The method comprises the steps that an elevator controller detects a dormant signal in real time, and whenthe dormant signal is detected by the elevator controller, a lighting and ventilation process is switched off and an ultraviolet disinfection and sterilization process is started; the elevator controller detects an elevator calling signal in real time, and when the elevator calling signal is detected by the elevator controller, the ultraviolet disinfection and sterilization process is switched off and the lighting and ventilation process is started. The invention further discloses the elevator controller and an intelligent sterilization and disinfection system for the elevator. The system isconvenient to install, round-the-clock automatic cleaning of the elevator is achieved by means of automatic switching of the lighting and ventilation function and the ultraviolet disinfection and sterilization function, and the flexibility is high.

The invention relates to a preparation method of strontium-containing Ca-Na bicarbonate type mineral water. The method includes the steps of: (1) water introduction: introducing water into a raw water tank from a quaternary water-containing sand layer by a stainless steel water pump; and (2) diversion: dividing the raw water in the raw water tank into two parts, subjecting one part to filling water treatment, and subjecting the other part to packaging container cleaning water treatment. In the invention, filling finished product water and packaging container cleaning water both adopt source water as the water source, and treatment processes are employed to conduct separate treatment directed at different uses. In a filling process, no mineral substance that is non-original in water is added, thus ensuring the natural property of mineral water.

The invention discloses a method for treating broad bean seeds and belongs to the technical field of seed treatment. The method comprises the following steps: selecting seeds; cleaning; pretreating the seeds; germinating the seeds; and cleaning and airing. According to the method for treating the broad bean seeds, the conditions that the seeds are germinated slowly and the germination rate is lowcan be improved, the resistance of the broad bean seeds and the bud seedlings can be effectively improved, the invasion of plant diseases and insect pests is reduced, guarantee is provided for healthygrowth of the broad bean buds and seedlings, and good significance is achieved.