49 results about "Regular periods" patented technology

The invention provides a dynamic load balancing method based on self-adapting prediction of network flow. The scheme includes: observing historical data regularity of network load flowing into a load balancing switch or a switching software in a certain time cycle; obtaining a parameter value of self-adapting algorithm in a prediction program to form a computing formula; then substituting load observation value at present moment into the formula to predict load value at the next moment; and distributing flow for a rear-end server at real time according to prediction value, thereby enabling the network load to be regulated in advance, avoiding lag effect, constantly keeping the network load in a comparatively balancing state, greatly strengthening self-adapting self-regulating capability of network to load, and being adaptable to networks with a certain time cycle regularity at occasions such as regular-period network backup and the like.

A multi-channel Media Access Control (MAC) method and apparatus for a Wireless Local Area Network (WLAN) device with a single radio interface are provided. The multi-channel MAC method includes sensing a common channel when a channel coordination window starts from a start point of a window repeating at regular periods, allocating at least two devices to a destination channel for the started channel coordination window using a channel utilization vector indicating use / nonuse for each of multiple channels, and transceiving a frame over the allocated destination channel.

The invention discloses a method for grafting watermelons and cultivating grafted seedlings. The method comprises the following steps of: soaking seeds and accelerating germination: soaking stock seeds and scion seeds with clear water and carrying out moisturizing and germination acceleration for a certain time by a sterilizer; sowing and growing seedlings: horizontally placing and carrying out dibble seeding on the stock seeds subjected to germination acceleration in a nutrition cup, carrying out dibble seeding the scion seeds into a seedling-raising disk and cultivating the scion seeds in a greenhouse, wherein the scion seeds are seeded later than the stock seeds for 7-10 days; grafting: when a first rough leaf of the stock seeds is fully extended and two leaves of the scion seeds do not horizontally extend, grafting scions by adopting a top piece inserting method; and cultivating the grafted seedlings, strictly maintaining certain cultivation conditions and controlling insect pests at regular period. According to the method disclosed by the invention, the grafting survival rate is improved to be over 90 percent. In addition, nutrient soil is prepared from mud in a fish pond as a basic raw material, so that growing quality and grafting survival rate of the stock seedlings, the scion seedlings and the grafted seedlings are effectively improved.

Disclosed herein is a light emitting device for a tire, comprising: a light emitting pattern forming unit attached on a predetermined position of a tire sidewall, having at least one light emitting device in a regular array; a light emitting control unit for controlling on / off of each light emitting device in accordance with a predetermined light emitting pattern by a regular period; and a power supply unit for supplying a power to the light emitting control unit and the light emitting device.

A smart dimming network encoder is connected to an alternating current power source having a substantially regular period of cycles. The encoder includes a bipolar switch connecting the alternating current power source to a modified alternating current line, the bipolar switch having an on state permitting the modified alternating current line to conduct alternating current from the alternating current power source and an off state preventing conduction on the modified alternating current line. The encoder includes a processor coupled to the bipolar switch, the processor configured to receive a control signal at a control signal input and to switch the bipolar switch to the off state for an off time having a duration corresponding to the control signal.

Systems and methods for responding to a risk of damage caused by a natural event are presented. A method presented includes checking a sensor system database on a regular period for an occurrence of a natural event. If the natural event has occurred, a determination can be made as to whether the natural event is of sufficient strength and proximity to an infrastructure item to create a potential hazard to the infrastructure item. If so, a map of the severity of the natural event can be obtained from the sensor system database and compared to a database of infrastructure items. The database includes a fragility index associated with each infrastructure item. A customized checklist can then be generated for inspection of the infrastructure item.

The present invention measures 1-way delay without equipping all nodes with special functionality in a situation in which time has not been synchronized. The delay measurement system of the present invention has a transmission origin node and a transmission destination node which is connected to the transmission origin node through a network including relay nodes, and measures the delay time from the transmission origin node to the transmission destination node direction, wherein the transmission origin node generates a clock. On the basis of the generated clock, delay measurement packets are generated at regular periods. The generated delay measurement packets are transmitted to the transmission destination node. The transmission destination node selects the delay measurement packets from among the received frames. The delay received by the delay measurement packets in the network between the transmission origin node to the node itself is measured.

The invention relates to the fields of printing and packaging, in particular to a manufacturing method of an ink-free printing label or package. According to the structure, black and white display and color display of words and images are achieved by utilizing diffraction, scattering, reflection, refraction and the wave guide phenomenon of guide which are generated by a microstructure. The microstructure is characterized in that speckles at specific rules and lines with composite periods are displayed as black and white comparison when the frequency is 10 micrometers-150 micrometers, are displayed as color diffraction images when the regular period frequency is 0.3 micrometer-10 micrometers and are displayed as three-dimensional images when the irregular period frequency is 1 micrometer-2 micrometers. According to the method, graphics and text information is converted into the microstructure structure design to be expressed, the printing label or the package can be molded at a time through mould copying, so technological links are reduced, the cost is lowered, and environment protection and low carbon can be achieved better; a traditional oil printing package can be updated and replaced by the ink-free printing package, and the ink-free printing package has the advantages of being environmentally friendly, scientific, fashionable, safe and resistant to fake and the like.

The invention discloses a dynamic torque sensor based on capacitance, which comprises a shell, an elastic shaft, two bearings, two static substrates, two dynamic substrates and two capacitor sets which consist of two excitation capacitance static electrodes, two inductance capacitance static electrodes and two dynamic electrodes and are symmetrically arranged at both ends of the elastic shaft. Along with the rotation of the shaft, the relative position of the shaft and the shell is changed, and capacitance signals of the capacitance sets, which are symmetrically arranged at both ends of the shaft, are changed according to a certain regular period. When the elastic is rotated by torque force, the capacitance signals at both ends of the shaft can generate a phase difference, and a relation between a capacitance difference and a torque is established by detecting the capacitance difference value so as to achieve the measurement of the torque, the rotating angle and the rotating speed. The dynamic torque sensor has the advantages of no contact, high precision, low cost and long service life, and is suitable for the industrial automation field of high rotating speed environment.

The invention discloses an efficient pearl ecological culture method. By means of pretreatment on operation mussels, the wound healing effect after operation can be enhanced, the inflection resistanceof the operation mussels is improved, and the secretion ability of pearl mussels can be improved; an annular filter gallery is constructed around a culture pond and used for further filtering external water and drained water, and the ambient environment is prevented from contaminating and being contaminated; by means of special formula of culture fertilizer, nutrient in an injected water body canbe increased fast and be fast absorbed by plankton, after the plankton is caught and fed on the pearl mussels, pearl producing speed is effectively increased, and the formed pearl quality is improved; backs of the mussels are turned over at regular period, and the color, luster and bright degree and the mellow and full degree of pearls are improved effectively; by means of the special formula ofmicrocapsule biological bait and the bait presenting form, the bait use ratio can be increased, it is prevented that the bait is not caught in time to cause waste, and the water is not polluted. The method abides by the ecological rule, is small in influence on surround water environment and increases economic benefits, and the pearl product is high in quality.

A communication system compensates pulse positioned modulated data signals for channel induced intersymbol interference and extracts pulse positioned encoded data from a received signal corrupted with the channel induced intersymbol interference. The communication system has a transmitter and a receiver. The transmitter includes a modulation apparatus that has a symbol mapping circuit, which receives data symbols to be transmitted and maps the data symbols to a transmission code. The receiver has a demodulation apparatus to recover data symbols in the presence of the channel induced intersymbol interference. The demodulation apparatus has a sampling circuit in communication with a signal receiving circuit within the receiver to sample at a regular period received data symbols acquired by the receiving circuit. The samples of the data samples are retained by a sample retaining circuit in communication with the sampling circuit. The sample retaining circuit transfers the retained samples to a symbol mapping circuit. The symbol mapping circuit then recovers the data symbols.

The invention belongs to the field of biomedical engineering and relates to a mainstream type real-time monitoring method for the concentration of a plurality of types of breathing gas. The mainstream type real-time monitoring method comprises the following steps: controlling an infrared light source to switch on or off by using a pulse signal so as to output a modulation signal with a regular period by a four-channel pyroelectric sensor; collecting crest voltage or though voltage of each channel so as to obtain an alternative-current component of each channel by using a difference value of the crest voltage and the though voltage of each channel; adjusting measurement data of three measurement channels by using a correction equation, so as to obtain a numerical value of a carbon dioxide after adjustment, a numerical value of a nitrous oxide channel after adjustment and a numerical value of an ether atmosphere anesthetic gas channel after adjustment; respectively calculating the concentrations of different gases by using a coefficient and a three-order polynomial which are obtained through a calibration experiment. The mainstream type real-time monitoring method for the concentration of the plurality of types of breathing gas can be used for conveniently and accurately monitoring the concentrations of various breath gases in real time.

The invention relates to a system for automatically monitoring illegally-parking vehicles and compressed transmission based on field programmable gate array (FPGA), belonging to the signal processing technology, the communication technology and the video image processing technology, and realizes automatic detection and image remote transmission on illegal parking vehicles in a detecting area by utilizing an FPGA chip as a digital image collection and processing unit. In the system, a monitor area in a charge coupled device (CCD) video image is determined according to an actual application environment, and firstly, a background image of an interested area is saved when monitoring is started; then, when each frame comes, the fact that whether a vehicle comes or not is judged according to the difference of the current frame and the background frame; a timer is started when a vehicle comes, if the difference constantly exists in a regular period, a vehicle is judged to be illegally parked in the monitor area, and the next frame image containing information of the illegally parking vehicle is compressed through a special image compression chip and transmitted to a remote control center.

The invention discloses a condensate water recycling and reusing device for an air conditioner. The condensate water recycling and reusing device for the air conditioner comprises a water temperature setting unit, a condensate water collection pipeline, an irrigation water supply pipeline, a water changing pipeline of a fish tank, a water temperature detection unit, a controller, a display unit, a water quality detection unit, a condensate discharge pipeline, a time setting unit and a timing circuit, wherein the condensate water collection pipeline is connected with a condensate water discharge opening of the air conditioner; the irrigation water supply pipeline is used for supplying water for an automatic flower and tree irrigator; the water changing pipeline of the fish tank is connected with the water inlet of the fish tank; the controller is used for analyzing and judging whether the condensate water collected inside the condensate water collection pipeline in a current state is suitable for irrigating flowers and trees and changing the water in the fish tank or not according to water temperature data detected by the water temperature detection unit; the condensate water discharge pipeline is used for discharging the condensate water reserved inside the condensate water collection pipeline at regular periods; the time setting unit is used for setting the fixed discharging time of the condensate water discharge pipeline; the timing circuit is connected with the controller. The condensate water recycling and reusing device for the air conditioner provided by the invention has the advantages of reasonable design, simplicity and convenience in use, convenience in realization, high intelligence degree and good using effect, and can be used for effectively recycling and reusing the condensate water of the air conditioner.

The invention discloses a complete time strategy representation model, which can be represented as a five-part model comprising five parts, wherein the five parts are a strategy starting time part [ts, te], a timing mode part, a counting part represented as the absolute value of N, a period representation part P and an actual strategy part C respectively; and simultaneously, a realization process of abstracting the five parts from actual application is defined and comprises the following steps: first determining time granularity, namely a smallest time representation unit (such as millisecond, microsecond, second and the like), according to actual application conditions, and determining a greatest time unit (such as year, quarter, month and the like) according to the granularity and a time length suitable for a strategy so as to determine time representation; then determining a starting time ts and an ending time te of the strategy, and analyzing and determining an execution period, namely, finding out a regular period P according to an order that the time units of the strategy are greater and greater; and finally adding strategy rules and generating the strategy with time. The time strategy representation model can be conveniently applied in all kinds of applications needing time representation.

The invention discloses application of nicotinic acid derivates in the preparation of medicaments for promoting follicular development and maintaining ovarian functions. Experiment proves that the nicotinic acid derivates can promote follicular growth in the ovary, promote hormonogenesis and endometrial growth and enable women to form a regular period. The derivates have special treatment effects on promoting follicular development and maturing, treating ovarian hypofunction, recovering period and reducing climacteric symptoms. The invention compensates for the defects of the existing medicaments, and provides a new method for treating ovarian diseases, which is high in efficiency, convenient to use and low in cost.

The invention discloses a salmon trout cultivating and feeding method, and belongs to the technical field of aquaculture. The technical point of the invention is that the salmon trout cultivation is performed in two sets of sealed recirculating aquaculture systems, and every set comprises 24 culture ponds, and water for cultivation is well water; the cultivation index is that the temperature of water for cultivation is 15-17 DEG C, the dissolving oxygen is 7-8 / mg / L, and water quality indexes of ammonia nitrogen, nitrate, and nitrite are the same condition; the food feeding parameters: the daily feeding amount includes four groups which are 0.7%, 1%, 1.5% and 1.8% of fish weight; the daily feeding frequency is 4 times, and the feeding time is set at 6: 00, 12: 00, 18: 00 and 24: 00; the overall growth condition of the fish is tested once monthly; the survival rate and fatness of fish are calculated; water quality is monitored at fixed time and regular period; the detection position is awater returning pond. The invention is used for salmon trout cultivation.

The invention discloses a method for repairing heavy metal and organic pollutants in agricultural soil. The method is characterized in that charcoal raw materials are washed, surface coherent substances are removed, and natural air drying is carried out; the biomass subject to air drying is broken, and is subject to pyrolysis in a pyrolyzing furnace; the charcoal subject to pyrolysis is wrapped byplastic mesh fabric with meshes to be formed, charcoal active filler is made, and soil to be repaired is filled with the padding; percarbonate is dissolved in water, percarbonate leachate is prepared, soil to be repaired is leached at regular periods, and after combined treatment of charcoal and percarbonate, the aim of removing the heavy metal and the organic pollutants is finally achieved. Thecost is low, raw materials are easily obtained, the action time is long, the applicable pH range is wide, the heavy metal and the organic pollutants are removed, soil fertility can be improved, and the method is suitable for repairing of the polluted agricultural soil.

The invention discloses an intelligent seedling-raising box convenient to move. The seedling-raising box comprises a base frame, pulleys and a seedling-raising chamber; a control box is arranged at the right side of the seedling-raising chamber, two clapboards are arranged in the seedling-raising chamber and divide the seedling-raising chamber into three areas, a culturing box is arranged in each area; the lower ends of the culturing boxes are all connected with lower water pipes, and the lower ends of the lower water pipes are connected with a drainage pipe; each clapboard is provided with a temperature sensor; a plurality of heating lamps are arranged at the upper end of the interior of the seedling-raising chamber, a water tank is arranged at the left side of the seedling-raising chamber, a water pump is arranged at the upper end of the water tank, and a water outlet pipe is connected to the upper end of the water pump. Seeds are planted in the culturing boxes in the seedling-raising box; the water pump is switched on to spray water into the culturing boxes at a regular period under the control of the control box to keep soil wet before the seeds germinate; the heating lamps can be adopted to increase the temperature in the seedling-raising chamber to be always in a room-temperature state, so that the rate of seed germination is increased.

The invention discloses the application of levofloxacin hydrochloride in preparing a pesticide preparation for preventing and controlling tobacco bacterial wilt. The levofloxacin hydrochloride can beused for preparing water-dispersible granules for preventing and controlling tobacco bacterial wilt. The water-dispersible granules are prepared from the following components in percentage by mass: 70-72% of levofloxacin hydrochloride, 2-6% of a disintegrant, 2.5-7.5% of a wetting agent, 2.5-7.5% of a dispersant, 3-5% of a binder, and 2-20% of a filler. In the invention, the water-dispersible granules containing levofloxacin hydrochloride are prepared by mixing the levofloxacin hydrochloride raw drug, the wetting agent, the dispersant, the disintegrant and the filler uniformly to obtain a premix; pulverizing the premix, adding the binder and water, and performing granulation and drying on mixture. The water-dispersible granules containing levofloxacin hydrochloride prepared by the invention have rapid bactericidal action on tobacco bacterial wilt pathogens and can be sprayed in the regular period or initial period of tobacco bacterial wilt to prevent the occurrence and spreading of diseases, and the disease prevention effect is good.

The invention discloses a production technology of refined copper. The technology comprises the following steps: selecting copper concentrate; continuously feeding the produced molten matte into a converter; converting to obtain coarse copper; arranging electrolytic baths; arranging linings of the electrolytic baths; connecting the electrolytic baths in series in a copper electrolyzing workshop; arranging an anode plate, a cathode plate and an electricity conducting rod; charging direct current to the electrolytic baths; dissolving copper in a Cu<2+> form under the effect of the direct currentafter electrons on an anode are lost; dissolving out the Cu<2+> in a copper metal form after electrons are supplied to a cathode; recovering anode slime containing precious metal, selenium, telluriumand other rare metals as a byproduct in copper electrolyzing; extracting and cleaning base metal impurities which gradually accumulate in electrolyte in regular period; removing copper sheets from the baths; and washing the copper sheets with water. According to the production technology of the refined copper, the processes are compact; the refined copper smelting efficiency is improved; and moreover, the energy consumption is reduced.

The invention discloses a preparation method for mould cheese. The preparation method comprises the following steps: (1) inoculating sterilized raw milk at temperature of 28-32 DEG C by using a lactic acid bacteria starter and monascus spore liquid; acidizing and fermenting to a pH (Potential of Hydrogen) value of 6.2-6.4; (2) adding red kojic rice; (3) adding chymosin, stirring for 5-10min and curding for 25-30min, so as to obtain curd; (4) cutting the curd and stirring for 15-30min, so as to obtain a curd block; (5) draining the curd block until the pH value is 5.4-5.8, adding salt, putting to a mould and shaping, and turning over at a regular period; and (6) inoculating mucor spore liquid and maturing, so as to obtain the mould cheese. The cheese prepared by the preparation method provided by the invention has milk and fermentation scent tastes; meanwhile, the preparation method provided by the invention is convenient for industrial production and popularization.

The invention discloses a water closet capable of achieving recycling of domestic sewage. The water closet comprises a water closet body, a toilet lid, a water tank, a flushing device, a domestic sewage conveying pipe and a water tank cleaning device, wherein the toilet lid is connected to the water closet body in a mode of turning up and down; a water outlet is formed in the bottom of the water tank, and a sealing piece is arranged on the water outlet; the flushing device is used for conducting a flushing operation on the water closet body by water in the water tank; the domestic sewage conveying pipe is connected to the water tank and is used for supplying processed domestic sewage into the water tank; and the water tank cleaning device is used for automatically cleaning the inner wall of the water tank in a process of flushing the water closet body by virtue of the flushing device. The water closet provided by the invention achieves full use of water resource, realizes recycling ofthe water resource and reduces waste of the water resource; in addition, by arranging the water tank cleaning device, an operation of cleaning the interior of the water tank can be directly implemented in a water tank flushing process, so that manual cleaning of the water tank at regular period can be avoided; and the water closet is high in practical performance and capable of effectively reducing workload of users.

The invention relates to a magnetron driving power supply which comprises a high voltage three-phase electric generating set, one or more magnetrons and filament transformators of the same number with the magnetrons; the magnetron driving power supply also comprises a rectification filter circuit and a pulse-width modulation circuit; the high voltage electricity generated by the high voltage three-phase electric generating set is input into the pulse-width modulation circuit through the rectification filter circuit, and then is respectively input into the magnetrons and the filament transformators after being output from the pulse-width modulation circuit; after being processed by voltage transformation of the filament transformators, the high voltage electricity is then input into the magnetrons, and the current output by the pulse-width modulation circuit is pulse current with regular period and changing duty factor. The high voltage three-phase electric generating set is adopted for the magnetron driving power supply, and the rectification filter circuit and the pulse-width modulation circuit are used for replacing a leakage inductance transformer; the pulse-width modulation circuit used for controlling the current of the magnetrons can accurately control the current of the magnetrons, and no radiation fin or other radiating equipment is required to be additionally installed, thus the invention has the advantages of simple circuit structure, reduced volume and weight as well as lowered cost.

The invention discloses a measurement and measurement preparation monitoring method. The measurement and measurement preparation monitoring method comprises the following steps that first, the measured pile points submitted by a design organization have already been repeatedly measured after pile splicing is carried out, and the result report of repeated measurement is submitted to the supervisionunit, the design organization and owners; second, the measurement crew are trained on the engineering situations, the technical requirements, the measurement specifications, the measurement operationinstructions, the measurement scheme, the basic measurement knowledge and the important significance of measurement before construction is started; and third, the measuring instruments are sent to the units with the verification qualifications for checking at regular periods, so that the effectiveness of the measuring results is guaranteed. The measurement and measurement preparation monitoring method has the beneficial effects that before a project is put into construction, the operative construction organization design, the construction scheme, the technical measures, the project quality assurance system, the quality plans, the quality control program and the project quality assurance measures of the project are authorized according to the requirements of design documents including thedesign technical specifications, the construction drawings, the design changes and the like, the foundation is laid for subway construction, and the actual working efficiency of subway construction iseffectively improved.

The invention discloses a breeding method of Chinese softshell turtles. The breeding method comprises the following steps: building of a Chinese softshell turtle pond, namely carrying out matched construction on the Chinese softshell turtle pond comprising a new softshell turtle pond, a juvenile softshell turtle pond, a young softshell turtle pond, a three-age softshell turtle pond and an adult softshell turtle pond, and building a drying station and a bait feeding station; and a cultivation process, namely feeding the Chinese softshell turtle fries, feeding with earthworms which are firstly scalded with boiling water and then cut into small segments to feed, changing water at a regular period, and fishing the Chinese softshell turtles of which the weight is greater than 500g. Through the manner, according to the breeding method of the Chinese softshell turtles disclosed by the invention, the earthworms are adopted as the feed, and are easy to get, so that the cost can be greatly reduced; no pollution is generated; the quality of the Chinese softshell turtles can be ensured; and the Chinese softshell turtles obtained by the method are high in quality, and popular with consumers.

The invention discloses a method for treating lean ferrous manganese ore by directly reducing electric furnace melting components through a rotary hearth furnace. The method comprises the following steps of: breaking ferrous manganese ore and reducing coal to below 4mm; drying and adding a bonding agent for uniformly mixing and pressing into pellets, wherein the grade of Mn in the ferrous manganese ore is 23-28 percent; feeding green balls generated by drying the pellets into the rotary hearth furnace; heating the green balls to 1,100-1,300DEG C and reducing for 20-45 minutes; thermally filling high-temperature metallized pellets obtained by reducing into a tank; directly feeding the tank into the electric furnace for melting and separating; controlling the temperature of the electric furnace melting components to 1,450-1,550DEG C; melting the electric furnace melting components for 40-90 minutes; collecting the produced manganese iron and furnace slag at the bottom of the furnace and discharging the produced manganese iron and furnace slag through an iron tapping hole at regular period and separating the melt slag; and refining and desulfurizing the manganese iron obtained by melting components to obtain manganese iron of which the Mn content meets the requirement. The method disclosed by the invention can be used for treating low-grade ferrous manganese ore and has the advantages of simple process, low energy consumption and high recovery rate.

The invention discloses a combustion system of a gas-fired heating and water heating furnace, and belongs to the technical field of combustion devices. A connecting pipe is arranged at the output endof the left side of a fan, a flow separation disc is arranged on the top of the left side of the connecting pipe, and an auxiliary flow separation disc is arranged on the top of the right side of a gas pipe. Exhaust holes are uniformly formed in a separating plate, and an electronic igniter is arranged in the center of the top of the separating plate. A fixing ring is arranged on the top of the outer wall of a combustion cylinder, and the tops of four arc-shaped baffles are connected through an arc-shaped baffle. Supporting rods are installed through the fixing ring on the top of the outer wall of the combustion cylinder and cooperate with the arc-shaped baffles, and therefore rainwater, snowflakes and other things in the rainy and snowy weather can be isolated, the phenomenon that due tothe fact that rainwater, snowflakes and other things fall into an inner cavity of the combustion cylinder, the temperature of the combustion cylinder is reduced is avoided, and the practicability andthe safety are greatly improved. Meanwhile, the supporting rods are conveniently disassembled by means of interference fit, the separating plate can be rapidly disassembled through elastic buckles andmatched clamping grooves and is conveniently disassembled and maintained at the regular period, and therefore the service life is greatly prolonged, and the cost loss is reduced.

The invention discloses a cushion pillow used for medical blood drawing. The cushion pillow used for medical blood drawing comprises a shell and a partition bar board, wherein brackets are arranged atfour corners of the shell, a heating wire is arranged at the upper end of the left side of the partition bar board, the heating wire is electrically connected with a left temperature regulator, a thermometer is arranged at the bottom end of the temperature regulator, and the thermometer is connected with a temperature sensor at the lower end. For the cushion pillow used for medical blood drawing,corresponding heating can be carried out on the placing position of the arm, in spring and autumn, especially in winter, comfortable experience can be provided for patients or corresponding people needing blood drawing, meanwhile, due to the design of a U-shaped sponge mat and a groove, the comfortable experience is brought to people, good guidance also can be provided for the people, the corresponding work efficiency is promoted, moreover, washing and disinfecting at regular periods can be carried out, recycling can be realized, the practicability is strong, the concept of environmental protection and energy conservation is conformed, and the promotion and popularization are convenient.