55results about How to "Cannot be reused" patented technology

The invention discloses a compressed air energy storage system using carbon dioxide as a working medium. The system utilizes the supercritical characteristic of carbon dioxide and the state change characteristic of the carbon dioxide near the critical point, and the assistance by the conditions of outside environments (such as underground and seabed cavities) is not needed, so the switching of the energy storage system among constant-pressure energy storage, constant-pressure energy releasing, constant-capacity energy storage and constant-capacity energy releasing is realized, and the different types of power storage and releasing can be realized. The system utilizes the characteristic of the carbon diode which is converted from the gas state into the supercritical or liquid state, so the carbon dioxide is stored, and compared with the gas storage, the complicated degree and design difficulty of the system are effectively reduced, and the cost of the energy storage system is reduced. Meanwhile, the double-storage device method is adopted, the switching of the system between energy storage and energy releasing is flexibly completed without utilizing the assistance by the outside environments (such as underground and seabed cavities), the energy storage and energy releasing characteristics of the system are changed by controlling the carbon dioxide storage / releasing method, and the flexibility of the system is enhanced. The system can be used together with the renewable energy sources, such as solar energy and wind energy, so the generation of other pollutants is avoided, and the environment-friendly characteristic is good.

The invention discloses a valve of a liquefied gas cylinder. The valve comprises a valve body, a driving ring sliding seat, a driving ring, a first wire spring, an insert sleeve, a connecting rod and a second wire spring, wherein a gas filling hole is formed in the side wall of the valve body; the driving ring sliding seat is fixedly connected with the valve body; the driving ring comprises a lantern ring part and an extension part, the lantern ring part sleeves the driving ring sliding seat, a raised abutting part is arranged on the outer wall of the lantern ring part, and the extension part comprises a clamping hole; one end of the first wire spring abuts against the abutting part and the other end of the first wire spring abuts against the inner wall of the valve body; the insert sleeve is fixed in the valve body and comprises a vent hole; the connecting rod is inserted in the vent hole and can move along the vent hole, and a first sealing piece and a clamping part are fixedly arranged on the connecting rod; and one end of the second wire spring abuts against the clamping part, and the other end of the second wire spring and the inner wall of the insert sleeve are fixed relatively. The valve of the liquefied gas cylinder can be matched with an electronic identity identification type liquefied gas filling gun with an electromagnet in the prior art for use, thereby avoiding the reuse of the unchecked and scrapped liquefied gas steel cylinders and simultaneously avoiding the phenomenon of non-fixed point filling of the liquefied gas steel cylinders.

An endoscope apparatus provided in the invention has forced disposability of a cannula by the means and techniques put in place so that the parts in contact with organic tissues or the detection of container extraction cannot be used, re-used, or if re-used, in a way that aligns with their operating limits. Activation of the cannula is detected and traced using sensors or wireless intercommunication devices so that when a certain time lapses or a certain number of activations after the first activation of the cannula, a limited usage means disables the cannula in mechanical or electrical way to ensure forced disposability of the cannula.

The invention provides a method for preparing a metal gradient material through selective laser melting. The method comprises the steps that selective laser melting is carried out on a same-componentmetal material to prepare a structural gradient material, 3D printing parameters of different partitions of a printing element are precisely controlled through a computer, structural gradient distribution of different partitions of the same-component material is realized, then the metal material with a gradient structure is integrally and quickly formed, the performance of the material is greatlyimproved, and performance requirements that a single-component metal material cannot meet are met. The method can be used for customizing microstructures of the metal gradient material according to service environments, and has high flexibility in material composition, structure, performance and appearance size control. Through reasonable structural design, material selection and process matching,a flexible intelligent manufacturing technology integrating material design, preparation, forming and structure performance control can be developed, the technology is simple and efficient, the costis low, and a significant technical advantage is achieved in the direct forming aspect of novel gradient structures.

The invention discloses an ecological spatial data integration method, which belongs to the technical field of geographic information, and is characterized by comprising the following steps of: 1, collecting and acquiring data, namely acquiring spatial data including raster data, vector data and document data; 2, performing data fusion, conversion and management: performing data conversion througha spatial data conversion model by utilizing the obtained data to complete data standardization management; 3, making data analysis and starting application: analyzing the relationship between the element types and attributes of the original data and the target data, and checking the analysis result from the aspects of position precision, attribute precision, element integrity, element relationship and the like; 4, designing and realizing a data management and application platform, performing cloud storage scheme design on the analysis data, and establishing an experiment cluster of the system. The spatial data is effectively converted, uniformity of the spatial data is ensured, and finally, the effective application of the spatial data is obtained.

The invention discloses a transfer printing film, a transfer printing device and a transfer printing method. The transfer printing film comprises a diaphragm and a transfer printing resin layer. One side of the diaphragm has a concave-convex surface. The transfer printing resin layer covers the diaphragm. One side of the transfer printing resin layer opposite to the diaphragm has a stereo pattern matched with the concave-convex surface. The transfer printing film can be repeatedly used.

The invention discloses a preparation method of a dithiocarbamate functionalized lignin microspheres. The method comprises the following steps: (1) preparation of a dispersed phase solution; (2) preparation of a continuous phase solution; (3) preparation of water in oil lignin liquid drops; (4) heating of the lignin monodisperse liquid drops and synthesis of microspheres; (5) dithiocarbamate functionalized lignin microspheres obtained in the step (4) are added into a carbon disulfide organic solvent solution whose mass concentration is 15-35%, and a reaction is carried out. The adsorption quantity of the dithiocarbamate functionalized lignin microspheres for cadmium ions in the waste water reaches 89.7mg / g, and is 9 times of the adsorption quantity of alkali lignin; secondly, compared with common lignin adsorbents, the lignin microspheres have the advantages of uniform particle size dimension and controllable morphology, good mechanical performance; and the lignin microspheres can bear waterpower impact.

The invention discloses a compressed air energy storage system using carbon dioxide as a working medium. The system utilizes the supercritical characteristic of carbon dioxide and the state change characteristic of the carbon dioxide near the critical point, and the assistance by the conditions of outside environments (such as underground and seabed cavities) is not needed, so the switching of the energy storage system among constant-pressure energy storage, constant-pressure energy releasing, constant-capacity energy storage and constant-capacity energy releasing is realized, and the different types of power storage and releasing can be realized. The system utilizes the characteristic of the carbon diode which is converted from the gas state into the supercritical or liquid state, so the carbon dioxide is stored, and compared with the gas storage, the complicated degree and design difficulty of the system are effectively reduced, and the cost of the energy storage system is reduced. Meanwhile, the double-storage device method is adopted, the switching of the system between energy storage and energy releasing is flexibly completed without utilizing the assistance by the outside environments (such as underground and seabed cavities), the energy storage and energy releasing characteristics of the system are changed by controlling the carbon dioxide storage / releasing method, and the flexibility of the system is enhanced. The system can be used together with the renewable energy sources, such as solar energy and wind energy, so the generation of other pollutants is avoided, and the environment-friendly characteristic is good.

The invention discloses a rotation-folding-type environment-friendly recyclable fruit growth protection device which is characterized in comprising at least six arc supporting bars, two arc sides and an umbrella-shaped top. An annular slide rail is arranged under the umbrella-shaped top. The upper parts of the arc supporting bars and the arc sides are connected and mated on the annular slide rail. The lower parts of the arc supporting bars and the arc sides are hinged together. The slidable arc sides can be closed and can be snapped through snap buckles. Rubber sealing strips are provided on the contact surfaces of the two arc sides. The arc supporting bars are distributed with equal spaces along the annular slide rail. A foldable film connected with the arc supporting bars and the arc sides is arranged around the arc supporting bars and the arc sides, and covers the arc supporting bars and the arc sides, such that a spherical cavity is formed. A fruit stalk gap is arranged on the edge of the umbrella-shaped top. The assembly process of the device is simple and fast. The device is not prone to deformation and damage, and can be recycled repeatedly. Therefore, an average cost is reduced, and energy consumption is reduced. The device has better environment friendliness.

The invention relates to an efficient nitrogen recovery device and process for sewage. The device comprises an ammonia nitrogen ion exchange unit connected into a mainstream sewage treatment pipe, anda regenerated liquid storage tank connected with the ammonia nitrogen ion exchange unit through a regenerated liquid circulating pipe to form circulation, The regenerated liquid storage tank is alsosequentially connected with a magnesium removal sedimentation tank, a calcium removal sedimentation tank, a biological nitrification reactor, an electrodialysis module and an evaporation concentrationmodule, and the biological nitrification reactor is also connected with the regenerated liquid storage tank in a returning manner. Compared with the prior art, the process has the advantages that theregenerated liquid with high NH4 < + >- N concentration is subjected to nitrogen recovery, so that synchronous nitrogen emission reduction and nitrogen recovery of mainstream ammonia nitrogen ion exchange-regeneration enrichment-biological nitrification-electrodialysis concentration-evaporation crystallization are realized.

The invention discloses a preparation method of mercapto functionalized lignin microspheres. The method comprises the following steps: (1) building an oil-in-water-in-oil double emulsion droplet system; (2) putting the double emulsion droplet system prepared in the step (1) into a thermal reactor, heating up to 55-95 DEG C, enabling an internal phase solvent to gradually volatilize, and enabling a product to carry out a crosslinking reaction with lignin in an intermediate phase under the catalytic action of a catalyst for 2-12h, so as to form monodisperse chlorinated lignin microspheres; (3) adding the monodisperse chlorinated lignin microspheres obtained in the step (2) into an ethanol solution of sodium hydrosulfide, carrying out a reaction for 2-10h at the temperature of 20-85 DEG C, then filtering a product, carrying out centrifugal separation, washing, and drying to obtain the monodisperse mercapto functionalized lignin microspheres. The mercapto functionalized lignin microspheres prepared by the preparation method have good mechanical property and can bear hydraulic impact; an introduced functional group, i.e., mercapto group has a remarkable adsorption effect on divalent heavy metal ions; the mercapto functionalized lignin microspheres are free from secondary pollution, can be recycled, and is environmentally-friendly and non-toxic.

The invention discloses a preparation method and application of a supported double-doped modified titanium dioxide photocatalyst, and relates to a preparation method and application of a titanium dioxide photocatalyst. The invention aims to solve the problem of poor photocatalytic effect of a TiO2 photocatalyst. The method comprises the following steps: adding tetratincture titanate into absoluteethyl alcohol to obtain a mixed solution A; mixing absolute ethyl alcohol, deionized water and absolute acetic acid, adding copper nitrate and urea, and adjusting the pH value to 1-3 to obtain a solution B; adding the solution B into the solution A to obtain a solution C; and plating the solution C on a cleaned carrier. According to the invention, the supported double-doped modified titanium dioxide photocatalyst prepared by the method is placed in sewage containing bacteria when the bacteria are subjected to photocatalytic inactivation, and sterilization treatment is carried out for 10-30 seconds under the irradiation of an ultraviolet lamp; the photocatalytic effect is improved, the inactivation effect of microorganisms is improved, the preparation method is simple and rapid, and the rawmaterials are wide in source and low in price; and the catalyst is suitable for preparing the titanium dioxide photocatalyst and inactivating bacteria.

The invention discloses a method for texturing a silicon wafer by repeatedly utilizing a black silicon cleaning solution. The method comprises the following steps of (1) immersing the silicon wafer into a texturing solution containing 0.01-200 mmol / L of metal ion salt, 1-10 mol / L of hydrofluoric acid and 0.1-10 mol / L of black silicon for texturing; (2) cleaning the textured silicon wafer with thedeionized water, and blow-drying the textured silicon wafer; (3) cleaning the dried silicon wafer obtained in the step (2) by adopting a 20-80wt% nitric acid solution to remove the metal particles deposited on the surface of the silicon wafer; (4) cleaning the silicon wafer cleaned by the black silicon cleaning solution with the deionized water, and blow-drying to obtain the silicon wafer with a suede structure; and (5) repeating the steps (1) to (4) until the black silicon cleaning solution reaches the service life, and preparing the black silicon texturing solution by taking the black silicon cleaning solution reaching the service life as a raw material. According to the method, the black silicon cleaning solution, especially the metal ions in the black silicon cleaning solution, can besimply and effectively recycled, so that the texturing cost and the wastewater treatment cost are reduced, and the method is green and environment friendly.

The invention discloses a medical wheel stretcher and relates to the technical field of medical stretchers. The medical wheel stretcher vehicle comprises a vehicle body and a vehicle cushion, the vehicle cushion is fixedly installed at the top of the vehicle body, the interior of the vehicle cushion is hollowed out, elastic soft cloth is fixedly embedded in the top of the vehicle cushion, and the bottom of the elastic soft cloth is attached to the tops of a plurality of movable supporting mechanisms. According to the medical wheel stretcher, after a patient is placed on the vehicle cushion, the patient can enable the movable supporting mechanisms to descend through the elastic soft cloth, the movable supporting mechanisms can play a certain role in supporting the body of the patient through buffer pistons and sealed air pressure bins, and due to the fact that each movable supporting mechanism is independently supported, the part of the elastic soft cloth which is not pressed by the patient can play a certain role in wrapping the body of the patient; and meanwhile, when the movable supporting mechanisms descend, supporting blocks can rotate through driving mechanisms and transmission mechanisms, then the wrapping effect of the vehicle cushion on the patient can be further improved, and the patient is prevented from shaking on the vehicle cushion in the moving process.

The invention discloses a multi-sheet environmental friendly repeatedly used fruit protective sleeve during growth. The multi-sheet environmental friendly repeatedly used fruit protective sleeve is characterized by comprising more than three arc sheets which are stacked up together in one direction, upper portions of the arc sheets are hinged together, lower portions of the arc sheets are hinged together, one side of the outermost arc sheet is provided with a baffle plate flushing to the inner face of the innermost art sheet, the arc sheets rightabout rotate relative to the baffle plate along the hinge joint, adjacent edges of adjacent arc sheets overlap to form a ball chamber, the innermost arc sheet and the baffle plates are clamped through a buckle, adjacent two faces of adjacent arc sheets are provided with chutes and projections matching in the chutes, and one side, adjacent to the baffle plate of the innermost arc sheet is provided with a carpopodium hole. The multi-sheet environmental friendly repeatedly used fruit protective sleeve is hard to damage, the buckle can be unlocked after a fruit is picked after maturity, the protective sleeve can be used again in the nest growing period of a fruit tree, so the protective sleeve can be repeatedly used for many times and better in environmental protection.

The present invention provides a technique for destroying a disposal consumptive material which is used for clinical obstetrics and gynecology department and obstetrics checking of healthy women and induced abortion of birth control and is made of sterilized plastic. Automatic destroying windows are manufactured at the non-force-bearing parts of top wing or lower wing or handle of dilator. One to a plurality of windows exist on the non-force-bearing part. All disposable medical device product should be added with an analogous automatic destroying window structure for preventing the recycling and reusing.

The invention discloses a reusable unmanned aerial vehicle catapulting device, which comprises a catapulting base, wherein a guiding mechanism is arranged on the upper surface of one end of the catapulting base, a catapulting mechanism is arranged on the lower surface of the other end of the catapulting base, the guiding mechanism comprises a sliding groove, the sliding groove is formed in the upper surface of one end of the catapulting base, a clamping base is slidably connected into the sliding groove, and a clamping groove is formed in the surface of the clamping base. The device has the beneficial effects that water flow is introduced into a rubber cylinder through a water inlet pipe, the water flow is accumulated in the rubber cylinder to expand the rubber cylinder, the outer wall ofthe expanded rubber cylinder makes contact with an arc plate, then the arc plate gets close to the inner wall of a circular cavity, and after the arc plate makes contact with the inner wall of the circular cavity, the rubber cylinder cannot be continuously expanded, so that the rubber cylinder is prevented from being expanded to deform excessively to lose elasticity, and the defect that an elasticpart in an existing unmanned aerial vehicle hydraulic catapulting device cannot be repeatedly used to cause waste is effectively overcome.

The invention relates to the technical field of adhesion supplies, in particular to a zip-top piece which comprises a substrate layer and glue layers. The substrate layer comprises multiple coating areas and easy-to-tear lines, the coating areas are sequentially connected adjacently along a same direction, each two adjacent coating areas are separated through one easy-to-tear line, all easy-to-tear lines are arranged parallelly, one glue layer is coated on one side surface of each coating area, and the glue layers on each two adjacent coating areas are positioned on two opposite sides of the substrate layer respectively. The glue layers are coated on the two adjacent sides of each two adjacent coating areas separated by the corresponding easy-to-tear line, so that when in normal use, the zip-top piece can effectively prevent a battery from being separated from a cellphone; when a tear force is applied along the extending direction of the easy-to-tear lines, adjacent coating areas are highly prone to mutual separation and are adhered on parts fitted therewith, so that the circumstance that a battery body is damaged and cannot be utilized any more when the battery is demounted is avoided.

The invention is a self fake-proof opening of W-glass bottle, china bottle or plastic bottle by setting a fake-proof cap ring device at the base of the bottle opening which has to be broken before open it. It is just for a single use, can be applied widely on the wine and drink businesses which pours in with bottles,

The invention discloses a novel asymmetric catalytic fluorine heterocyclization reaction system and application thereof. The novel asymmetric catalytic fluorine heterocyclization reaction system provided by the invention comprises a chiral iodine catalyst and etherified boron trifluoride, and is applied to a catalytic asymmetric nucleophilic fluorine heterocyclization reaction of unsaturated amide; a fluoro oxazine derivative is obtained through treatment after the reaction; and the obtained fluoro oxazine derivative is subjected to hydrolysis and oxidation reaction to obtain the chiral non-natural amino acid. The reaction system provided by the invention has the following advantages: etherified boron trifluoride is used as a fluorine reagent, is cheap and easy to obtain, and has good stability and low toxicity; the reaction conditions are mild; the chiral iodine catalyst is simple to prepare and does not need a complex ligand; the system is environment-friendly and free of heavy metal pollution and precious metal waste; the obtained product is a fluoro oxazine derivative active molecular structure unit with two chiral centers; chiral non-natural amino acid can be obtained through conversion reaction of the product; and the chemical selectivity and stereoselectivity of the reaction are good, and the yield and optical purity are high.

The invention relates to an asbestos-free seal fiberboard and a manufacturing method thereof. The asbestos-free seal fiberboard is composed of 3800-4200 parts of rubber, 480-520 parts of zinc oxide, 1800-2200 parts of white carbon black, 180-220 parts of dibutyl ester, 40-60 parts of stearic acid, 50-70 parts of paraffin, 70-90 parts of sulfur, 980-1200 parts of defoaming agent, 1480-1520 parts of glass fiber, 1140-1160 parts of graphite powder, 100-120 parts of anti-aging agent and 320-360 parts of accelerator. The method comprises the following steps: mixing the zinc oxide, white carbon black, dibutyl ester, stearic acid, paraffin, sulfur, defoaming agent, glass fiber, graphite powder, anti-aging agent, accelerator, toner, waste powder, lime and carbon powder into the rubber according to the formula, pulping, adding the waste fiber to form the master batch, rolling into flakes, vulcanizing the flaky material, and molding the vulcanized rubber to obtain the finished product. The manufacturing method fully utilizes the wastes, and the finished product can maintain the characteristics of high temperature resistance and self lubrication.

The invention discloses a corrugated telescopic environmental-friendly recyclable fruit protective device, which is characterized in that: the fruit protective device comprises a round top cover, a lower reverse edge is arranged on the edge of the round top cover, a connecting ring is connected with the interior of the lower reverse edge, a telescopic corrugated pipe is connected with the lower part of the connecting ring, a base is arranged on the lower part of the telescopic corrugated pipe, and a fruit stalk opening is arranged on the edge of the round top cover and is extended to the center of the round top cover; rubber is arranged on the fruit stalk opening, a slit of the rubber is arranged along the fruit stalk opening, an end of the slit is arranged on the center of circle of the round top cover, an aperture is arranged on the end of the slit, and the diameter of the aperture is smaller than the diameter of the fruit stalk. The mounting process for using the fruit protective device is simple and quick, the fruit protective device is not easy to deform and damage and can be used repeatedly, so as to reduce the average cost and the energy consumption; the fruit protective device can be recycled after being repeatedly used, so as to solve a problem that the traditional fruit protective device can not be recycled, and the fruit protective device is relatively good in environmental protection.

The invention discloses a two-piece environmental friendly repeatedly used fruit sleeve. The two-piece environmental friendly repeatedly used fruit sleeve is characterized by comprising an inner arc piece and an outer arc piece, the inner arc piece is arranged in and matches the outer arc piece, at least one end of the inner arc piece is hinged with at least one end of the outer arc piece, the inner arc piece can rotates to one side opposite to the outer arc piece along the hinge joint, adjacent edges of the inner arc piece and the outer arc piece overlap together to form a spherical chamber, adjacent edges are connected through a buckle, one edge of the inner arc piece and one edge of the outer arc piece are provided with carpopodium holes. The two-piece environmental friendly repeatedly used fruit sleeve is hard to deform and damage, the buckle can be unlocked after a fruit is picked after maturity, the inner arc piece is rotated into the outer arc piece, the fruit sleeve can be used again in the nest growing period of a fruit tree, so the fruit sleeve can be repeatedly used for many times, the cost is reduced, and the energy consumption is reduced at the same time, the fruit sleeve can be recycled and reused after repeatedly used for many times, a problem that a conventional fruit bag cannot be reused can be solved, and the fruit sleeve is better in environmental protection.

The invention discloses a medicine storage device management method and a related device. The medicine storage device management method comprises the steps of: obtaining, by a medicine using device, an identification mark of a loaded medicine storage device; obtaining the current accumulated use information of the medicine storage device and the rated use information of the medicine storage deviceby utilizing the identification mark; and determining whether to stop using the medicine storage device based on the accumulated use information and the rated use information. According to the scheme, the management effect and efficiency of the medicine storage device can be improved.

The invention provides a production method for a holographic hot stamping film. An anti-counterfeiting work plate is formed for silver spraying and electroforming operations of a photoetching offset plate etched with a holographic pattern; a positron emission tomography (PET) thin film is coated with a mold releasing agent to form a mold releasing layer; the mold releasing layer is coated with a resin solution mixed with toner to form a toner layer; the holographic pattern on the anti-counterfeiting work plate is die stamped on the toner layer of the PET thin film; metal aluminum is plated on the toner layer, and a aluminum-plated layer is coated with glue to form a glue layer; and finally, the PET thin film is divided, cut and packed. According to the hot stamping film produced through the production method not only exquisite in pattern, but also high in anti-counterfeiting degree and difficult to counterfeit; a used hot stamping film can not be reused. The photoetching offset plate sprayed with silver is even in thickness and high in strength, so that the rate of finished products of photoetching offset plates is increased by a large margin, and accordingly the quality of the anti-counterfeiting work plate and the hot stamping film is improved; meanwhile, the raw material consumption can be reduced, and the production cycle for making the anti-counterfeiting work plate is shortened. The electroformed anti-counterfeiting work plate has good strength, hardness and malleability resistance; the working life is pronged by near one time.

The invention discloses a multi-sheet environmental friendly repeatedly used fruit protective sleeve during growth. The multi-sheet environmental friendly repeatedly used fruit protective sleeve is characterized by comprising more than three arc sheets which are stacked up together in one direction, upper portions of the arc sheets are hinged together, lower portions of the arc sheets are hinged together, one side of the outermost arc sheet is provided with a baffle plate flushing to the inner face of the innermost art sheet, the arc sheets rightabout rotate relative to the baffle plate along the hinge joint, adjacent edges of adjacent arc sheets overlap to form a ball chamber, the innermost arc sheet and the baffle plates are clamped through a buckle, adjacent two faces of adjacent arc sheets are provided with chutes and projections matching in the chutes, and one side, adjacent to the baffle plate of the innermost arc sheet is provided with a carpopodium hole. The multi-sheet environmental friendly repeatedly used fruit protective sleeve is hard to damage, the buckle can be unlocked after a fruit is picked after maturity, the protective sleeve can be used again in the nest growing period of a fruit tree, so the protective sleeve can be repeatedly used for many times and better in environmental protection.

The invention relates to an engine crankshaft surface heat treatment method. According to the method, an engine crankshaft surface heat treatment device is used, the engine crankshaft surface heat treatment device comprises a cooling box, a liquid storage tank, a movable plate, a clamping mechanism, a spraying mechanism and a water mist recovery mechanism, and when the engine crankshaft surface heat treatment device is used for carrying out forming machining operation on a cold-rolled plate, the specific method comprises the following steps that S1, crankshaft feeding is conducted; S2, coolingand spraying are conducted; S3, water mist recovery is conducted; and S4, a crankshaft is taken out. According to the engine crankshaft surface heat treatment method, the problems existing in the existing engine crankshaft surface heat treatment that it is difficult to guarantee that cooling water is evenly sprayed on the surface of an engine crankshaft in a complex shape in the engine crankshaftcooling process, consequently, the crankshaft has an overlarge cracking tendency, the reject ratio of waste products is increased, the flow of the cooling liquid cannot be controlled in real time according to the cooling process, and the engine crankshaft cannot achieve a stable cooling effect can be solved.

The invention provides an RFID tag anti-transfer method using a random capacitor. The RFID tag anti-transfer method comprises the following steps: arranging at least one capacitor plate on top-layer metal in a chip; arranging a metal film parallel to the top-layer metal on the upper plane of the packaging salient point of the chip; and packaging the chip and a tag antenna together to form an RFID tag, wherein the capacitor plate and the metal film form an initialization capacitor. According to the method, whether the tag is repeatedly used or not is verified through the difference between the capacitance of the capacitor plate and the capacitor of the metal film and the initialization capacitor after the RFID tag is transferred, and anti-counterfeiting is achieved.

The invention discloses a rotation-folding-type environment-friendly recyclable fruit growth protection device which is characterized in comprising at least six arc supporting bars, two arc sides and an umbrella-shaped top. An annular slide rail is arranged under the umbrella-shaped top. The upper parts of the arc supporting bars and the arc sides are connected and mated on the annular slide rail. The lower parts of the arc supporting bars and the arc sides are hinged together. The slidable arc sides can be closed and can be snapped through snap buckles. Rubber sealing strips are provided on the contact surfaces of the two arc sides. The arc supporting bars are distributed with equal spaces along the annular slide rail. A foldable film connected with the arc supporting bars and the arc sides is arranged around the arc supporting bars and the arc sides, and covers the arc supporting bars and the arc sides, such that a spherical cavity is formed. A fruit stalk gap is arranged on the edge of the umbrella-shaped top. The assembly process of the device is simple and fast. The device is not prone to deformation and damage, and can be recycled repeatedly. Therefore, an average cost is reduced, and energy consumption is reduced. The device has better environment friendliness.

The invention discloses a tapered cylinder type environmental friendly repeatedly-used fruit protector. The tapered cylinder type environmental friendly repeatedly-used fruit protector is characterized by comprising a circular top cover and a tapered cylinder, the big end of the tapered cylinder is an up opening, the small end of the tapered cylinder is provided with a downward seal bottom, the edge of cylindrical wall of the axial section of the tapered cylinder is a curve, a plurality of tapered cylinders can be overlapped together, the edge of the top cover is provided with a lower reversed-bended edge, a connecting ring is connected in the lower reversed-bended edge, the lower portion of the connecting ring is connected with the opening big end of the tapered cylinder, the periphery of the circular top cover is provided with a stem hole extending to the center portion of the circular top cover. The tapered cylinder type environmental friendly repeatedly-used fruit protector is easy and quick to mount, hard to deform and damage, the connecting ring can be taken out from the top cover after a ripe fruit is picked, a plurality of tapered cylinders can be overlapped together, so the size of the tapered cylinders is small and convenient to transport, the fruit protector can be used again in the nest growing period of a fruit tree, so the fruit protector can be repeatedly used for many times, the average cost is reduced, and the energy consumption is reduced at the same time, the fruit protector can be recycled and reused after repeatedly used for many times, a problem that a conventional fruit bag cannot be reused can be solved, and the fruit sleeve is better in environmental protection.