63results about How to "Save social resources" patented technology

This invention relates to a robot system capable of completing different kinds of kitcheneering affairs automatically by timing. the robot system comprise automatic multifunctional intellectualized subsystem integrated with washing vegetable, dishes, sterilization, storage and perservation; automatic multifunctional vegetable cutter subsystem; automatic intellectualized cooking and compounding subsystem and oil fume pumping system; automatic cooking subsystem; automatic rice cooking subsystem; intellectualized automatic cooking digital menu software controls subsystem. The system establishes an only recognition coding, specifically to a robot system applicable for common household kitchen, restaurant kitchen, logistics kitchen, and automatic snack service. The invention can save time spent on cooking affairs, reduce labor cost, save a great deal of social resource and money spent on cooking affair.

The invention discloses a full-automatic video cataloging system and a full-automatic video cataloging method. The system is mainly used for automatically building a metadatabase of massive non-structured media materials, simultaneously supporting manual modification, adding and perfection of metadata on that basis, and finally realizing the aim of effective management on massive media assets through the perfected media metadatabase. The system comprises a full-automatic video cataloging system function and system architecture, a media material video key frame robustness automatic extraction algorithm and a media material shot segmentation key robustness automatic extraction algorithm. The software realized based on the method provided by the invention can realize the real-time processing effect on the existing mainstream computers. The video key frame and shot segmentation robustness extraction algorithm provided by the invention has good anti-interference effect on the influence of camera flash and special effects including wiping off, fading in fading out and dissolving which frequently appear in video, so that excess omissions and false drop caused by the interference can be avoided.

The invention relates to a queuing control system, which comprises an input and output module, a predetermined module, a reminding module, a notification module and a dynamic queuing module. The invention also provides an application server containing the queuing control system and a queuing calling system comprising the application server. The invention also provides a queuing control method, which comprises the following steps: receiving the predetermined information sent by the users, processing the predetermined information, determining whether the predetermined request of the users can be accepted or not, analyzing the reminding information, sending the reminding information to the users when the reminding condition is satisfied, determining the user's turn, notifying the user if the user is in turn. According to the invention, the users can flexibly predetermine the business, effectively use the waiting time for queuing, acquire the queue status on real time, delay the own queue or exit the queue and make an appointment with the specialist clinic, thereby the social resource can be saved.

The invention discloses an organic leaf surface fertilizer rich in organic selenium and vitamins and a preparation method for the organic leaf surface fertilizer. The organic leaf surface fertilizer rich in the organic selenium and the vitamins comprises the raw materials in parts by weight: 40-60 parts of selenium-enriched bombyx mori, 40-60 parts of selenium-enriched plant waste, 40-60 parts of selenium-enriched edible mushroom waste, 40-60 parts of sodium selenite, 20-30 parts of vitamins and 1-10 parts of a composite fungicide. The selenium-enriched bombyx mori, the selenium-enriched plant waste and the selenium-enriched edible mushroom waste of the fertilizer can supply selenium elements and also supply animal proteins, plant proteins and microorganism proteins and are fermented by composite bacteria to polypeptide combined with the selenium elements. Therefore, the fertilizer can be used for supplying enough organic selenium and beneficial substances such as microorganisms and probiotics to the growth of crops; a large amount of waste is turned into treasures, so that social and natural resources are saved, the environment is protected, and cyclic economy is realized.

The invention discloses a textile printing and dyeing electronic jet drying cylinder dryer and a jet drying cylinder, waste gas heat recovery and condensate water recovery thereof and a method for setting a moisture regain reference roller. The electronic jet drying cylinder dryer consists of a heat insulating and preserving drying room, the jet drying cylinder, a heat recovery and jet system and an electronic information system, wherein exhaust air is divided into exhausted air and circulating air according to humidity of the exhaust air; heat of the exhausted air is recovered by fresh air; the fresh air is mixed with the circulating air; the heat of condensate water is then recovered and the condensate water is sprayed to a textile; heating is performed and drying conditions are improved; complete on-line detection and control are performed on temperature, tension and moisture regain of the textile and humidity, temperature and speed of an air flow; therefore, heat application efficiency and drying efficiency are increased, production cost is reduced and production requirement of high-grade textiles is met in a scientific, strict, careful and reliable drying mode. The electronic jet drying cylinder dryer can be used for substituting a drying cylinder dryer or is made by modifying the drying cylinder dryer; a waste gas heat recovery system and a condensate water recovery system are suitable for various heating production occasions; and by the method for setting the moisture regain reference roller, reliability and validity of moisture regain control are solved.

Disclosed is an image forming method by using bone ash, comprising the following steps of: processing bone ash through impurity removing, disinfecting, bleaching, drying and grinding; processing a portrait with a computer to generate a three-dimensional image, using the ground bone ash as a material of a 3D printer and printing it into a statue; and coloring the statue by using the 3D printer or manually. The method provided by the invention has the positive effects that the method can avoid the problem that our country's limited land will be getting less and less due to the move of burial after cremation and protect arable lands. In addition, the image of a dead person can be preserved for good, which has real memorial significance.

The invention provides an automatic analyzing device and a sample analyzing method. The automatic analyzing device comprises a filling unit (20), a reaction unit (10), a measuring unit (80) and a transfer unit (50), wherein the filling unit (20) is used for filling a sample or/and a reagent into a reaction vessel; the reaction unit (10) is used for hatching, cleaning and separating a reactant in the reaction vessel; the measuring unit (80) is used for measuring reaction signals in the reaction vessel; and the transfer unit (50) is used for transferring the reaction vessel among different positions. According to the automatic analyzing device, the reaction unit is taken as a center to realize hatching, cleaning and separating of the reactant in the reaction vessel, and the measuring unit independent from the reaction unit is used for measuring the signals in the reaction vessel. The automatic analyzing device dispenses with a single cleaning and separating disk, simplifies the system structure and flow of control, can obviously reduce the size of the reaction unit, and realizes a flexible hatching time; and in addition, the independent measuring unit can realize a darkroom environment more easily and can realize a flexible signal hatching time.

The invention provides an automatic analysis device and a sample analysis method. The automatic analysis device comprises a filling unit (20), a reaction unit (10), a cleaning and separating unit (2) and a measurement unit (1), wherein the filling unit (20) is used for filling a sample or/and reagent into a reaction vessel; the reaction unit (10) is used for incubating reactants in the reaction vessel and transferring the reaction vessel; the cleaning and separating unit (2) is used for cleaning and separating the reactants in the reaction vessel; the measurement unit (1) is used for measuring a reaction signal in the reaction vessel; the reaction unit (10) comprises a rotary device (11); and a reaction vessel position is arranged on the rotary device (11) and used for bearing and fixing the reaction vessel. In the invention, the incubation, cleaning and separating and measurement of the reactants in the reaction vessel are realized by taking the reaction unit as a center, so that a cleaning and separating disc and a measurement disc are saved, the system structure and control flow are simplified, the size of the reaction unit can be remarkably reduced, flexible incubation time is realized, and the working efficiency of the analysis device is improved.

The invention relates to a method for solving disordered parking of shared bikes and a bike sharing platform system. The method comprises the specific steps as follows: a bike sharing service platformdetects whether shared bikes parked in inappropriate positions or abnormally parked shared bikes falling to the ground exist in a set area range of the corresponding shared bike in real time throughGPS and a gyroscope in each shared bike when detecting that the shared bike is unlocked by code scanning; if any abnormally parked shared bike exists, an arranging request message is pushed to a shared bike user terminal which performs unlocking by code scanning; the bike sharing service platform sends a bonus to the shared bike user terminal which performs unlocking by code scanning when detecting that the corresponding abnormally parked shared bike is normally parked by a shared bike user who performs unlocking by code scanning. Enthusiasm of the shared bike users is aroused, the shared bikes in disordered parking are helped to be righted and arranged, manpower and material resources of a bike sharing enterprise are saved, and high-quality urban environment is created.

The invention discloses a process for producing an anti-acid pipeline steel by Ruhrstahl Heraecus (RH)-ladle furnace (LF)-RH refining. In the process, the composition of molten steel is controlled by converter smelting and RH-LF-RH refining process, so as to produce a low-carbon low-sulfur anti-acid (hydrogen-induced cracking HIC and stress corrosion cracking SCC resistant) pipeline steel. The specific flow is as follows: pre-desulphuzation of molten steel - converter smelting-primary RH vacuum refining - LF refining desulphuzation - secondary RH vacuum refining - continuous casting. By the secondary RH vacuum refining process, the decarburization burden of the converter and the oxidability of the molten steel can be reduced, and the adverse effect caused by recarburization in the LF refining process can be eliminated; furthermore, the use of a strong deoxidizer is reduced, the production is stabilized, and the composition of the molten steel is ensured to be controlled within a production target stably to meet the control requirements of the anti-acid pipeline steel on the low-carbon low-sulfur and high-purity composition. The carbon content of the finished steel produced by the process of the invention can be stably controlled to be 0.03% to 0.04%, and the sulfur content is stably controlled to be less than or equal to 0.0010%.

The invention discloses a microbial organic compound fertilizer rich in essential amino acids and a preparation method thereof. The microbial organic compound fertilizer rich in essential amino acids is prepared from the following raw materials in parts by weight: 40-60 parts of animal protein, 40-60 parts of vegetable protein, 40-60 parts of edible fungi waste, 40-60 parts of minerals, 5-15 parts of vitamins and 1-10 parts of complex microbial inoculants. The fertilizer can provide enough beneficial substances such as essential amino acids, organic minerals, vitamins and probiotics to the crops while improving the soil and preventing diseases and killing bacteria; by adopting a great quantity of waste and turning waste into wealth, the social and natural resources are saved, the environment is protected, and circular economy is realized; therefore, the fertilizer is one of the best fertilizers for producing pollution-free food, green food and organic food.

The invention provides an indoor air purifying box used in cooperation with a dust collector. The indoor air purifying box comprises a box body and a box lid. A lock is arranged on the box lid. The box body and the box lid are locked through the lock. The box body is provided with a suction pipe and an exhaust window. The end, located in the box body, of the suction pipe is connected with a dust collecting hose of the dust collector, and the other end of the suction pipe is connected with the air environment outside the box body. Fixing insertion grooves are formed in the two sides of the exhaust window. A high efficiency particulate air (HEPA) filter screen can be inserted into the fixing insertion grooves and fixed. A socket provided with a temperature control switch is installed in the box body. A power supply wire of the socket penetrates through the box body so as to be connected with an external power source. Four trundles are installed on the lower portion of the box body. A handle is installed on the box lid. By the adoption of the indoor air purifying box, the indoor air can be effectively purified, and the indoor air can be prevented from being polluted repeatedly by the dust collector; in addition, compared with the way of directly purchasing a special air purifier, the purifying efficiency of the indoor air purifying box is higher than that of the special air purifier due to the fact that the effective filtering area is larger; and furthermore, the using cost can be greatly reduced, and the storage space is effectively saved.

A caulking gun includes a push disk, a push rod, an adhesive cartridge compartment, a trigger and a gun body; the trigger is hingedly coupled to the middle part of the gun body; the rear end of the push rod is outside the gun body and provided with a braking device; the front end is in the adhesive cartridge compartment through the gun body and provided with a push disk; a push piece for driving the push rod is mounted in the gun body; the front end of the push piece is provided with a return spring; the trigger is provided with a pin position switching device for adjusting the propulsion ratio by adjusting the contact position of the push piece; adjustment of different propulsion ratios enables the caulking gun to be multifunctional to meet the construction requirements of different adhesives.

The invention relates to the technical field of electroacoustics, in particular to a band-pass type bass loudspeaker box and an adjusting method of the band-pass type bass loudspeaker box. The band-pass type bass loudspeaker box comprises a bass loudspeaker box body, wherein at least one horizontally-arranged partition plate is arranged in the bass loudspeaker box body, the partition plate is provided with at least one low-frequency loudspeaker, low-frequency resonators are arranged on the portions, above and below the partition plate, of the wall of the bass loudspeaker box body, and therefore the bass loudspeaker box body is divided into an upper low-frequency bass loudspeaker box body and a lower low-frequency bass loudspeaker box body. The bass loudspeaker box body is provided with voltage regulating bins, wherein the outer section of each low-frequency resonator is connected with the corresponding voltage regulating bin to form an acoustic resonance access, the voltage regulating bins are provided with damping holes, and sound absorption bodies are arranged in the voltage regulating bins. The number of the low-frequency loudspeakers and the combination mode of the low-frequency loudspeakers can be increased according to requirement of acoustic characteristics. The damping value and the Q value of the bass loudspeaker box are adjusted respectively by means of adjusting the total area of the damping holes and the sound absorption bodies. By means of the adjusting method, the low-frequency processing acoustic performance of the band-pass type bass loudspeaker box and the quality accuracy and the flexibility of the band-pass type bass loudspeaker box are improved. Since the band-pass type bass loudspeaker box is small in volume, cost can be reduced.

The invention relates to a regeneration cloth-manufacturing process for foamed EVA wasted materials. The regeneration cloth-manufacturing process comprises a sorting procedure, a crushing and mixing procedure, a component analysis procedure and a mixed melting cloth-manufacturing procedure. The sorted foamed EVA wasted materials are classified and enter the crushing and mixing procedure; after the foamed EVA wasted materials classified and entering the crushing and mixing procedure are transmitted to a crusher for crushing, the foamed EVA wasted materials enter a dry material mixer to be mixed into foamed waste granules with good dispersion; after components of the foamed waste granules are analyzed and determined in the component analysis procedure, the foamed waste granules are subjected to deficiency supplying and compatibility adding and then form a mixture with a specific purpose; the mixed melting cloth-manufacturing procedure is completed through an internal mixer, an open mill, a transmission mechanism and a calendaring cloth-manufacturing machine; after the mixture is fully mixed and melted into micelles by the internal mixer, the mixture is transmitted to the open mill by the transmission mechanism; the rubber mixed by the open mill is manufactured into regenerated cloth with the specific purpose and a color standard specification by the calendaring cloth-manufacturing machine, and the thickness of the regenerated cloth can reach 30 [mu]m or more according to the purposes.

The invention discloses a welding device with a good welding effect. The welding device comprises a bottom plate and a movable top plate abutting against the bottom plate, wherein a radiating device is arranged on the bottom plate and is provided with a conducting electrode; the other end of the conducting electrode is connected to an electrode plate; the bottom part of the electrode plate is provided with a dielectric layer which plays a role in heating when high-frequency equipment is in working and conducting heat to the electrode plate; the output end of the high-frequency equipment is correspondingly and electrically connected to the electrode plate and the bottom plate. Aiming at overcoming the defects in the prior art, the welding device disclosed by the invention has the advantages of convenience in processing, high efficiency and good effect.

The invention relates to an outdoor intelligent cabinet, in particular to an outdoor intelligent cabinet multifunctional curtain board device applied in an intelligent substation. The device comprises a support (1), wherein the support (1) is connected with a curtain board (2) through an electric turn-over mechanism (3), a solar cell panel (4) is installed on one face of the curtain board (2) and connected with a storage battery (7) in the outdoor intelligent cabinet for supplying power, a temperature and humidity sensor (5) and a controller (6) are further arranged on the portion, on the same side of the solar cell panel, of the curtain board (2), the electric turn-over mechanism (3) is connected to the storage battery (7) through the controller (6), and a binding post of the temperature and humidity sensor (5) is connected to a sensory control binding post of the controller (6). Due to the outdoor intelligent cabinet multifunctional curtain board device applied in the intelligent substation, sunlight can not directly irradiate the outdoor intelligent cabinet, the temperature of the outdoor intelligent cabinet is greatly lowered, and daily operation of maintaining devices in the cabinet is maintained through solar power supply. According to the outdoor intelligent cabinet multifunctional curtain board device applied in the intelligent substation, no air conditioner needs to be additionally installed, no extra power supply is needed, operation cost is reduced, effective handling can also be performed in rain and snow weather, and the outdoor intelligent cabinet multifunctional curtain board device applied in the intelligent substation is economical, practical and suitable for wide-range application and popularization in electric power systems.

The invention provides an automatic multimedia material defect detection and quality analysis method. The method comprises the following steps: establishment of media material defect model set; detection of media material defect; analysis of media material quality; detection of media material defect and preservation of quality analysis result. Software which is realized based on the method in the invention can reach an effect of real-time processing in a present mainstream computer, and is used for digitlization recovery of mass simulation media material accumulated in history and pretreatment of a storage system. The method in the invention provides real-time automatic defect detection (comprising defect types, frame number, time stamp/fragment information, defect position and the like) for simulation material recovery and necessary low layer quality information (comprising video audio signal to noise ratio, video audio bandwidth, video audio mean value and the like) which media compression storage needs. Based on the information, tasks of media material recovery repairing, video audio compression and digitlization storage and the like can be carried out manually or automatically.

The invention discloses a three-dimensional stereo-imaging technology for the bone ashes of a human body. The three-dimensional stereo-imaging technology comprises the following steps that image collection is carried out, specifically, the human body is processed through the three-dimensional imaging technology, so that a three-dimensional image is obtained; image processing is carried out, composite restoration is carried out on the three-dimensional image through a graphic workstation, and available three-dimensional data formats are exported, and discretization model data are obtained through a slicing program and input into a 3D printer; material preparation is carried out, specifically, the bone ashes of the human body are processed into ultra-fine powder through an ultra-fining smashing technology, and the diameter of the ultra-fine powder is of 350-3000 meshes; and imaging processing is carried out, specifically, after being heated and smelted, the ultra-fine powder is fed into the 3D printer, and an entity portrait with the smooth surface is obtained through the 3D printer. By means of the ash statue manufactured through the technology, original funeral conventions are changed, the natural resource and national resource are saved, and meanwhile economical burdens brought to people due to the existing funeral conventions can be relieved.

The invention relates to a card reader used for a POS system. The card reader comprises a carding reading module used for completing data access on a card or a device with a card function, and a safety control module used for implementing safety control management on a transaction process. The invention provides the POS system which comprises an intelligent terminal, the safety control module and the above card reader which are in mutual communication, wherein, the intelligent terminal is used for realizing input of a user, information display, data processing and transaction flow control. Thus by utilizing more and more widespread intelligent terminals, through adding the card reading module and the safety control module, the POS system is formed together. Resource is effectively utilized, production cost is reduced simultaneously, and rapid popularization of a POS machine can be promoted. The invention also provides a work method of the POS system.

The invention relates to an autonomous garbage classification recycler and belongs to environment sanitation equipment. The recycler mainly solves the problem that centralized disposal of wastes is difficult. The autonomous garbage classification recycler comprises a box, feed ports, weight measuring instruments, a controller, a coin outlet and box doors. A manager sets unit prices of different materials; when a user puts waste articles into the box according to the materials, the weight measuring instruments measure weights and display the weights on an electronic display screen through a processor; the user selects names of the corresponding put materials from the display screen; and the processor calculates the amount according to the unit prices and the weights of the materials, counts equivalent coins from a cashbox and delivers the coins from the coin outlet. The recycler realizes unmanned management of waste article recovery, saves social resources, manpower and material resources, reduces space occupation, and potential safety hazards such as high possibility of fire due to long-time accumulation and stacking of the wastes, and has a very positive promotion effect on maintaining good environmental quality.

The invention discloses a method for producing chymosin by fermenting paenibacillus damxungensissp.nov. CGMCC (China General Microbiological Culture Collection Center) No.8333 in a bran culture medium. The method comprises the following steps: inoculating paenibacillus damxungensissp.nov. seed liquid to the bran culture medium, and fermenting at 28-32 DEG C for 16-20 hours to obtain fermenting liquid with chymosin activity, wherein the standard liquid loading volume of a conical flask of 250mL is 20mL to 40mL. Through measurement, highest chymosin activity is 6733.81SU/mL. A paenibacillus damxungensissp.nov. fermenting liquid extract with relatively high chymosin activity can be obtained by virtue of optimized culture conditions, and has wide application prospects in cheese production and processing industry.

A tap water tri-supply system relates to the field of supply and demand engineering of urban water. The tap water tri-supply system is a new tap water supply and demand system using different production methods, conveying ways and charge standards according to different water quality requirements, user numbers and usage amounts of three types of main urban water. The tap water tri-supply system is as follows: usage water for all users is produced by a clean natural water production method, is conveyed by original tap water pipe networks, and is freely charged and charged in a manner of penalty price for excess; water special for local users is produced by a qualified tap water production method, is conveyed by special pipe networks, and is charged in tap water price; drinking water for all users is produced by a nutritional, healthy and direct drinking water production method, is conveyed by barrel filling and car transport, and is charged in preferentially year-on-year price; by implementation of the tap water tri-supply system, a lot of energy and water resources can be saved, a large amount of water charge for the masses of users can be saved, at the same time, the quality of the usage water for the users and production profits of water factories are improved, and the tap water tri-supply system benefits the nation the people and the factories.

The invention discloses a comprehensive self-cooled shaft seal system. The comprehensive self-cooled shaft seal system is used for rotary sealing of a joint part between a speed reducer shaft and a machine box and comprises an end cover fixing assembly, a heat conduction and heat dissipation ring, a static auxiliary seal ring, a static sealing liquid friction ring, a rotary sealing liquid assembly and a driving key located on a shaft; the end cover fixing assembly comprises a fastener, a machine case seal ring, an end cover and a stop dowel; the rotary sealing liquid assembly comprises a rotary sealing liquid friction ring, an elastic and composite pressing component with the sealing function and an outer spiral groove driving base. According to the comprehensive self-cooled shaft seal system, the problems of the respiration effect of a framework oil seal and oil leakage caused by jittering of the speed reducer shaft due to the insufficient machining accuracy of the machining technology can be solved, and the service life of a shaft seal device can be greatly prolonged; the reasonable pressure design is adopted in a speed reducer with low rotation speed, and therefore the good effect that the shaft seal device of the speed reducer does not need to be replaced during the service life can be realized, and the production cost and the social resources can be saved.

The invention relates to a charger for digital products with convenient use. With such charger, most products with different model numbers to be charged can share one charger and can be put in the charger conveniently. The charger comprises a charging circuit, a shell, a converter which is provided with two wafers at the lower end and a charging plug at the upper end, an electrode plate which is provided with a positive output electrode and a negative output electrode on a swaying block pivot-jointed in the shell and a stop block extending frontwards in the front of the shell. When in use, the converter is plugged in the products waiting for being charged and then is arranged on the shell together; the products waiting for being charged can be fixed in the shell through using the swaying block, the stop block, the shell or the power socket or the wall; and the two wafers of the converter can firmly contact with the two electrode plates on the swaying block under the action of gravity, thus realizing the charging of the products waiting for being charged.

The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing raw material based on a PLA reclaimed material, a 3D printing material and a preparation method thereof. The 3D printing raw material based on the PLA reclaimed material comprises the following components in parts by weight: 60-100 parts of the PLA reclaimed material, 0.2-1 part of a plasticizer, 0.2-1 part of a cross-linking agent, 1-10 parts of a chain extender, 1-5 parts of a flexibilizer, 0.2-1 part of a lubricant, 0.2-1 part of an antioxidant and 5-20 parts of an inorganic filler. The problem that PLA waste materials with different degradation degrees are difficult to reutilize in the field of 3D printing is solved.

The invention discloses a network platform object collection method based on door box, and the method comprises the steps of obtaining the sending information which comprises the door box number of asender and the door box number/receiver information of a receiver; analyzing the obtained door box number of the sender to obtain sender information; obtaining positioning of a map system according tothe obtained sender address, obtaining a receiving point, and marking a door box number and/or an address corresponding to the address on the map system; generating navigation information according to the position information of the receiving point and sending the navigation information to the courier in the corresponding area. On the basis of the door box, unified management is carried out on receiving and sending of objects through the network platform, unmanned contact of express sending and receiving can be achieved, goods can be delivered to the door, telephone communication is avoided,and user experience is improved. In the whole logistics process, user information does not appear on the express waybill, the protection problem of customer privacy can be fundamentally solved, and the accessory and pickup efficiency of an express company can be improved to the maximum extent.

The invention discloses an intelligent urban traffic lighting control service system. The system comprises a background server and a streetlamp node terminal, wherein the background server is in communication connection with the streetlamp node terminal, the streetlamp node terminal comprises a basic data acquisition module, a power control module, an average speed solution module, a first time acquisition module and a streetlamp control module. The basic data acquisition module is used for acquiring basic data, the average speed solution module is used for solving the average speed of an automobile, the first time acquisition module is used for solving first time T required by the automobile entering an irradiation range of a (N+1)th streetlamp from an N(th) streetlamp, the streetlamp isnot needed to be turned on at night, social resources are saved, meanwhile, the (N+1)th streetlamp is turned on in advance, and the situation that the automobile is abruptly accelerated to reach whilethe (N+1)th streetlamp is not turned on can be prevented.

The invention discloses a high-efficiency infrared tungsten filament and a manufacturing method thereof. The existing tungsten filament is fragile and is apt to be broken, the thermal efficiency is low, the total radiation efficiency is low, the infrared radiation efficiency is low and the color temperature is high. The content of iron element in the tungsten filament provided by the invention is zero. Especially, the tungsten filament is wound to be a double-helix structure. During manufacturing and in the hydrogen annealing process of the tungsten filament, temperature-resistant mud is used for fully screening the internal part of a hydrogen annealing furnace to prevent the iron element from being exposed in a hearth. Especially, a molybdenum filament is used as a carrier during the winding of the tungsten filament. The tungsten filament provided by the invention has the advantages that the total radiation efficiency and the infrared radiation efficiency are greatly improved, and compared with common filaments, 30% of energy can be saved; the quantity of visible light is reduced, the light pollution is reduced and the use effect is greatly improved; since the energy conversion efficiency is improved, the heat in an infrared bulb is relatively reduced and the service life of the infrared bulb is improved; and the toughness of the filament is greatly improved, the service life of the bulb is greatly improved and a great number of manpower, material resources and social resources are saved.

The invention provides protective solution for cold starting of an engine and a preparation method thereof, which belong to the field of lubricant additive. At present, any lubricant or lubricant additive can not completely solve the phenomena of 'dry friction' or 'semi-dry friction' for the engine. The protective solution consists of the following substances in weight percentage: 6.10 percent of zirconium oxide, 5.50 percent of yttrium oxide, 73.50 percent of soybean oil, 13.00 percent of antiwear composition polyfluortetraethylene, and 1.90 percent of additive, wherein the additive comprises 0.95 percent of molybdenum borate and 0.95 percent of nanometer rare earth fluoride. The preparation method comprises the following steps: pouring the soybean oil in a reaction kettle to be heated to 60 DEG C; adding the zirconium oxide and the yttrium oxide in the reaction kettle to stir and heat up to 65 DEG C; adding the polyfluortetraethylene in the reaction kettle to stir and heat up to 70 DEG C; adding the 1.90 percent of the additive to the reaction kettle to stir and heat up to 95 DEG C, and stopping heating; cooling the reaction product to room temperature; and performing sub-packaging. With the protective solution, a vehicle can be started through ignition without preheating so as to save time. The protective can prolong service time of the lubricant over 50 percent relatively, and has the advantages of environmental protection, energy conservation and resource conservation.