50results about How to "Effective erasure" patented technology

The invention discloses an antidandruff and antipruritic liquid shampoo containing nano carbon crystals, and belongs to the field of chemical necessities. The antidandruff and antipruritic liquid shampoo is prepared from, by weight, 0.5-1.5 parts of nano carbon crystals, 30-40 parts of Chinese honeylocust fruit, 15-20 parts of tea seeds, 15-20 parts of cacumen platycladi, 15-20 parts of radix polygoni multiflori, 15-20 parts of fresh ginger, 15-20 parts of mulberry leaves, 20-25 parts of radix angelicae sinensis, 10-15 parts of ganoderma lucidum, 10-15 parts of black sesame, 15-20 parts of lotus leaves, 15-20 parts of honey and 10-15 parts of walnut kernels. The invention further discloses a preparation method of the antidandruff and antipruritic liquid shampoo containing the nano carbon crystals. The antidandruff and antipruritic liquid shampoo containing the nano carbon crystals can effectively remove dirt, bacteria, aged horniness, scurf, grease and the like on hairs and scalp, a good hair cleaning effect is achieved, damaged hairs can be repaired, the hairs are smooth, fresh, cool and convenient to comb, and meanwhile the scalp can be nursed.

The invention discloses a reciprocating wiping and cleaning device, which comprises a cleaning head, a cam mechanism, a sliding block, hairbrush rods, blocking pieces and restoring springs, wherein the cleaning head comprises a vertical bracket and a horizontal front wall; the cam mechanism is fixed on the vertical bracket; the wheel axle of the cam in the cam mechanism is fixed on the vertical bracket; the front part of the vertical bracket is provided with a vertical chute; the rear part of the sliding block is provided with a lug; the lug is clamped in the chute; the sliding block can vertically slide along the chute; the periphery of the cam in the cam mechanism is supported on the upper end of the sliding block; the tail ends of two blocking pieces are independently fixed on the horizontal front wall; each blocking sheet is provided with a bar-shaped slot hole; each hairbrush rod penetrates through the bar-shaped slot hole; the tail end of each hairbrush rod is hinged to the sliding block; the restoring springs are strung on the hairbrush rods; and two ends of each restoring spring independently support the blocking pieces and the sliding block. By use of the reciprocating wiping and cleaning device provided by the invention, through the cam mechanism and the restoring springs, the hairbrush rods carry out periodic reciprocating motion, and stubborn dirt can be effectivelywiped.

The invention discloses a scrub anti-allergy facial cleanser containing nanometer carbon crystal, and belongs to the field of daily chemical products. The facial cleanser is mainly prepared from the following raw materials in percent by weight: 0.5-1.5% of nanometer carbon crystal, 15-25% of aloe, 10-15% of osmanthus fragrans, 10-20% of calendula officinalis, 10-20% of apple flower, 0.5-1.0% of lavender essential oil, 2.0-3.0% of pelargonium-hortorum essential oil , and the balance being deionized water. The pH value of the facial cleanser is 6.0-6.5. The invention also discloses a preparation method for the scrub anti-allergy facial cleanser containing nanometer carbon crystal. The provided scrub anti-allergy facial cleanser containing nanometer carbon crystal employs nanometer carbon crystal subjected to surface functionalization processing as the raw material, original high strength and original high wear resistance of nanometer carbon crystal are kept, and also bacteria on skin surface are relatively effectively killed, and also the effects of removing free radicals, softening skin, resisting allergy, relieving skin and the like are realized. Anti-allergy substances adhered to skin possess skin-restoration composition substances, fast act on damages cells and restore skin.

The invention discloses a data erasing method of steganography data of a digital image. The method comprises: carrying out fast Fourier transform or discrete cosine transform on a frame of an inputted image or video; carrying out band-pass filtering processing on the transformed data by using a preset filtering algorithm; carrying out inverse fast Fourier transform or inverse discrete cosine transform on the data after the band-pass filtering processing to restore the frame of the image or video; carrying out region division on the restored frame of the image or video; carrying out rotation on the divided regions according to a preset angle; and carrying out restoration on the frame of the image or video by using an image restoration algorithm. Therefore, the data hidden in the image or video frame in a steganography manner can be erased or disturbed rapidly and thus the receiver can not extract the hidden data, so that an objective of preventing information leakage is achieved. The fast Fourier transform is applied to erase hidden data; and band-pass filtering processing is carried out by combining feature information of the image or video frame, so that hidden data can be erased or disturbed.

The invention discloses a high-temperature discharging valve which comprises a valve body part, a driving part and a radiating part, wherein the valve body part is used for circulating or stopping a high-temperature medium; the valve body part comprises a valve body and a hemispheroid; a runner is arranged on the middle part of the valve body; the hemispheroid can rotate relative to the valve body in the valve body and can selectively seal or open the runner; the driving part is used for driving the hemispheroid to rotate; the driving part comprises an upper valve rod which synchronously rotates with the hemispheroid; one end of the upper valve rod passes through the valve body and is connected with the hemispheroid; the radiating part comprises a radiating bracket, a filler and an end cover; the radiating bracket is sleeved on the upper valve rod; one end of the radiating bracket is in sealing connection with the valve body; the filler is arranged in a sealing space between the radiating bracket and the upper valve rod; and the filler is tightly pressed by the end cover from the other end of the radiating bracket. The heat transferred by the valve body is quickly radiated by the radiating bracket, so that the use performance and the service life of the upper valve rod and the whole driving part are protected, and the high-temperature discharging valve has the advantage of excellent heat radiating property.

The invention discloses a 3D printer auxiliary platform with a cleaning function. The 3D printer auxiliary platform with the cleaning function comprises a base, wherein a gravity lifting cavity with an upward opening is formed in the base, a printing platform capable of sliding up and down is arranged in the gravity lifting cavity, a lifting spring is fixedly connected between the lower end face of the printing platform and the lower wall of the gravity lifting cavity, a cleaning block is fixedly arranged on the upper end face of the base and located on the rear side of the printing platform,a cleaning translation cavity with a forward opening is formed in the cleaning block, and a cleaning rod with the front end extending to the front side of the cleaning block is arranged in the cleaning translation cavity in a left-right sliding mode. According to the auxiliary platform, the surface of the 3D printer platform can be cleaned, residual fingerprints and the like on the surface of theplatform are effectively erased by spraying alcohol and other cleaning agents, the flatness of the printing bottom face is guaranteed, the surface of the platform is coated with glue, the adhesive force of the printing bottom face is enhanced, meanwhile, the device can automatically support a printed object when the printed object is heavy, and the inclination situation is prevented.

The invention discloses a window-cleaning machine, which comprises a strip-type rubber head spanned and arranged on plastic-reinforced glass and a guide rail arranged on the edge of a window frame, wherein the strip-type rubber head is provided with glass cloth; the backside of the strip-type rubber head is connected with a water tube for spraying water on the glass cloth and glass; the end part of the strip-type rubber head is provided with a pulley capable of sliding on the guide rail; the pulley is connected with a drive motor for driving the pulley to rotate; and the drive motor is in circuit connection with a switch. The machine has the advantages that the machine can wipe the glass by moving the strip-type rubber head left and right through the guide rail, and can effectively wipe out the spot and dust on the glass; and because the glass is not wiped by hands directly, the machine can achieve the effect of saving time and labour.

The invention relates to a sterilizing cabinet which comprises a cabinet body, a push rod, a first motor, a rotating head and a second motor. A first object bracket and a second object bracket are arranged inside the cabinet body, the first object bracket is arranged above the second object bracket and provided with a discharging port corresponding to the same, the push rod horizontally moves on the first object bracket, the first motor is in driving connection with the push rod, the rotating head is rotatably arranged above the first object bracket, a water absorbing layer is arranged on the surface of the rotating head, the second motor is in driving connection with the rotating head, and the second object bracket is provided with a buffering mechanism which is correspondingly arranged below the discharging port. A cooking utensil is pushed to the rotating head through the push rod, and the rotating head wipes the cooking utensil to effectively wipe away water stain on the surface of the cooking utensil before drying, so that drying efficiency is improved greatly, and drying energy consumption is lowered.

The invention discloses leather surface treatment equipment, comprising an equipment body and a fabric roller; a polishing bin is arranged above the equipment body, and interiors of two side walls ofthe polishing bin are connected with mounted bearings through conducting bars in a sliding manner, the fabric roller is mounted in the interior of the polishing bin through the mounted bearings, and the fabric roller comprises a roll shaft and multiple layers of fabrics.According to the leather surface treatment equipment provided by the invention, the arranged fabric roller is provided with the multiple layers of fabrics on the roll shaft in a tightly arraying manner, the surface of leather with embossing is polished by the fabric roller, on one hand, coatings on the leather surface and surface with raised grain can be effectively wiped, so that the effects of making-replica and retro on the leather surface are realized; on the other hand, the leather surface can be protected from being destroyed, a movable polishing platform is arranged above the equipment body through linear guideways and sliding blocks, so that the automatic reciprocating transfer of the leather to be treated can be realized; an arranged pressing plate can be used for fixing the leather on the surface of the polishing platform, when being used in combination with the fabric roller, the leather can be stably attached onto the surface of the polishing platform, so that the leather surface treatment is more uniform.

The invention discloses a blackboard eraser, which comprises a strip-type rubber head arranged on a blackboard and a guide rail arranged on the upper part of the blackboard, wherein the strip-type rubber head is provided with bristle for wiping the blackboard; the strip-type rubber head is connected with an expandable crank arm; one end of the crank arm is provided with a pulley capable of rolling on the guide rail; the pulley is connected with a motor for driving the pulley to rotate; and the strip-type rubber head is provided with an elastic device for enabling the bristle to attach to the blackboard tightly. The blackboard eraser has the advantages that the blackboard eraser can effectively wipe out the chalk trace on the blackboard by moving the blackboard eraser strips up and down as well as left and right through the guide rail; and because the blackboard is not wiped by hands directly, the blackboard eraser can achieve the effect of saving time and labour.

The invention provides a demisting device for front windshields of passenger cars. The demisting device comprises guide rails and demisting assemblies arranged on the guide rails. Each demisting assembly comprises an input shaft, a wiping wheel and scraping piece assemblies, wherein the two ends of the input shaft are fixed to the guide rails, the wiping wheel is arranged on the input shaft in a sleeving mode and the scraping piece assemblies are connected to the two ends of the input shaft through connecting beams. Each scraping piece assembly comprises a fixed plate with the main body shaped like a sleeve, scraping piece shafts, a coil spring and a scraping piece, wherein the scraping piece is fixed to the tangent line position of the outer circumferential wall of the fixed plate, the two ends of the fixed plate are connected to the scraping piece shafts through bearings, a fixed base is arranged on the inner circumferential wall of the fixed plate, one end of the coil spring is connected to the scraping piece shaft, and the other end of the coil spring is connected to the fixed base. According to the invention, the scraping piece assemblies can guarantee that the scraping pieces press the mirror surfaces of the windshields under the effect of the coil springs, mists can be effectively wiped, the wiping wheels can rotate around the input shafts so that the mists can be further wiped, uncontinuous scraping marks or wiping marks left on the windshields can be reduced greatly, the demisting effect is good, drivers can have good visual fields, and the traffic safety can be improved.

The invention discloses an amorphous silicon annealing solar cell panel. The amorphous silicon annealing solar cell panel comprises a substrate, wherein solar cell panels are installed on the substrate, and the solar cell panels are arranged on the substrate in a matrix mode, and are connected through connecting wires to form a circuit; the solar cell panels are made of an amorphous silicon film,wherein the amorphous silicon film is prepared by PECVD or APCVD deposition and has the thickness of 1-50mu; an annealing furnace is filled with N2, and high-temperature annealing is performed for 10hat 600 DEG C; a layer of polycrystalline silicon thin film is grown on the upper surface of a silicon wafer so as to complete the thermal annealing; sliding plates are fixedly connected to a pair ofvertical side walls of the substrate; a baffle is fixedly connected to one vertical side walls of the sliding plates; one side of the baffle is fixedly connected with the same ends of the two slidingplates; and sliding grooves are symmetrically formed in the opposite side walls of the two sliding plates. The amorphous silicon annealing solar cell panel is suitable for a conventional silk-screen printing all-aluminum back field battery and a back passivation point contact battery, and the service life of the solar cell panel is prolonged; and in addition, that dust and dirt on the solar cell panel can be effectively erased.

Disclosed is a dispensing needle wiping device of voice coil motor production equipment. The dispensing needle wiping device comprises a connecting block composed of a wiping part and a positioning part; the wiping part comprises a bottom plate and two side plates, an accommodating groove is jointly formed by defining of the bottom plate and the two side plates, and the front end and the upper endof the groove are open to facilitate entering of a dispensing needle; a wiping body is positioned in the groove and used for wiping the dispensing needle; and the positioning part is arranged on therear portion of the accommodating groove, and the upper end surface of the positioning part is flush with an opening in the upper end of the groove and provided with at least two assembling holes usedfor assembling and positioning the connecting block on a machine table of dispensing equipment. Compared with the prior art, the dispensing needle wiping device can effectively, quickly and conveniently wipe redundant gum on the dispensing needle, control over a product over the gum quantity is greatly relieved, the number of defective products is decreased, and the production efficiency is improved.

The invention belongs to the technical field of office equipment and particularly relates to a multifunctional whiteboard pen, comprising a body, a refill, a squeezing plate, an elastic plate, a connector, a wiper block, a balloon, a guide rod and a cylinder. The body is provided with a through channel in its upper end; the refill is arranged below the body; one end of the squeezing plate is hinged in the through channel of the body; the sidewall of the elastic plate is connected with the inner wall of the squeezing plate; the connector is positioned in the center of the through channel; the connector is a rectangular strip; the upper and lower ends of the rectangular strip are provided with two lugs respectively; the lugs are in front-rear symmetry; the wiper block is rotationally fittedvia the lugs of the connector and is connected with the end of the elastic plate; a retainer is also arranged in the through channel and fixed to the inner wall of the through channel; the balloon isan elastic balloon between the retainer and the elastic plate; the balloon is fixed to the retainer; the guide rod is mounted in the through channel on the right of the connector and is provided witha slider; a cylinder block of the cylinder is hinged to the slider; a piston rod of the cylinder is hinged to the connector.

The invention relates to an intelligent sterilization cabinet which comprises a cabinet body, a push rod, a first motor, a swivel and a second motor. A first supporting rack and a second supporting rack are arranged in the cabinet body, the first supporting rack is arranged above the second supporting rack, and the first supporting rack is provided with a discharging opening corresponding to the second supporting rack; the push rod horizontally moves on the first supporting rack; the first motor is in drive connection with the push rod; the swivel is rotationally arranged on the first supporting rack, and the surface of the swivel is provided with a water-absorbing layer; the second motor is in drive connection with the swivel; the push rod is opposite to the swivel. Kitchen ware is pushed to the swivel through the push rod, the swivel is used for wiping the kitchen ware so that water stains on the surface of the kitchen ware can be effectively wiped away, then the kitchen ware is dried, drying efficiency is greatly improved and drying energy consumption is also reduced.

The invention discloses processing production equipment and a processing method of a packaging substrate, and relates to the technical field of packaging substrate processing. The equipment comprises a base plate body, a machine body, a conveying mechanism, a lifting mechanism, a feeding mechanism, a drainage mechanism, a wiping mechanism, a pipeline mechanism and a drying mechanism, wherein the machine body is used for automatically carrying out feeding, acid pickling, clean water washing and drying operation on the base plate body; the base plate body comprises a ceramic substrate; and an inner layer thick copper foil and an outer layer thin copper foil are sequentially arranged on the two sides of the ceramic substrate. Through the arrangement of the machine body, the conveying mechanism, the lifting mechanism and the feeding mechanism, the base plate body to be subjected to acid pickling is automatically fed through conveying rollers, the base plate body is transferred among the acid pickling, wiping and drying procedures in cooperation with a feeding frame capable of moving left and right, and compared with a conventional manual feeding mode, the substrate body feeding efficiency is guaranteed, and meanwhile, the harm of the pickling solution to workers is avoided, and the usability of the device is guaranteed.

The invention discloses a sintering device for photovoltaic panel processing and a working method thereof. The sintering device comprises a conveying frame, wherein lifting frames are symmetrically arranged at the two ends of the conveying frame, four upright rails are symmetrically mounted on the two sides of the two lifting frames, first screw rods are arranged between every two adjacent uprightrails, connecting sliding blocks are arranged on the surfaces of the upright rails in a sliding mode, and the four connecting sliding blocks are symmetrically connected to the two sides of two side shells. According to the device, a condensation circulating water pump discharges condensed water into a spraying pipe through a water outlet pipe, the spraying pipe performs water cooling on the photovoltaic panel, the photovoltaic panel subjected to water cooling is continuously transferred to the position below a rolling brush, an output shaft of a fifth motor drives the rolling brush to removethe condensed water on the surface of the photovoltaic panel, the removed condensed water falls into the bottom of an inner cavity of a cooling box, and enters a water pumping pipe through guiding ofa guide plate and enters the condensation circulating water pump after being filtered by a filter element, and the filtered condensed water is condensed by the condensation circulating water pump andthen is discharged into the spraying pipe through the water outlet pipe for water cooling treatment on subsequent photovoltaic panels.

The invention relates to an automatic drying disinfection cabinet, which comprises a cabinet body, a push rod, a first motor, a rotating head and a second motor, wherein a first object supporting frame and a second object supporting frame are arranged inside the cabinet body; the first object supporting frame is arranged above the second object supporting frame and is provided with a feeding port corresponding to the second object supporting frame; the push rod horizontally moves on the first object supporting frame; the first motor is connected with the push rod in a driving manner; the rotating head is rotationally arranged above the first object supporting frame; a water absorption layer is arranged on the surface of the rotating head; the second motor is connected with the rotating head in a driving manner; the first object supporting frame is provided with a plurality of object supporting grooves; and the push rod horizontally moves in a direction along the object supporting grooves. Kitchen ware is pushed to the rotating head by the push rod; the rotating head is used for wiping the kitchen ware, so that water stains on the surface of the kitchen ware can be effectively wiped away; and then, drying is performed, so that the drying efficiency is greatly improved, and meanwhile, the drying energy consumption is reduced.

The invention relates to a sterilizing cabinet which comprises a cabinet body, a push rod, a first motor, a rotating head and a second motor. A first object bracket and a second object bracket are arranged inside the cabinet body, the first object bracket is arranged above the second object bracket and provided with a discharging port corresponding to the same, the push rod horizontally moves on the first object bracket, the first motor is in driving connection with the push rod, the rotating head is rotatably arranged above the first object bracket, a water absorbing layer is arranged on the surface of the rotating head, the second motor is in driving connection with the rotating head, and the second object bracket is provided with a buffering mechanism which is correspondingly arranged below the discharging port. A cooking utensil is pushed to the rotating head through the push rod, and the rotating head wipes the cooking utensil to effectively wipe away water stain on the surface of the cooking utensil before drying, so that drying efficiency is improved greatly, and drying energy consumption is lowered.

The invention relates to the technical field of medical machinery and particularly relates to a medical clean table with a belt transmission type washing mechanism. The medical clean table comprises a cabinet, wherein a back clapboard is fixedly connected to the upper surface, close to the back surface, of the cabinet; the upper surface of the back clapboard is fixedly connected with a function top plate; the lower surface, close to two ends, of the function top plate is fixedly connected with two reinforcing plates used for improving the stability of the function top plate. The medical clean table with the belt transmission type washing mechanism is capable of automatically controlling the operation of a motor at the back, the single motor can simultaneously drive four driving wheels to rotate through a transmission belt so as to drive a rolling brush to effectively wipe the surface of the medical machinery, the whole process is automatically completed, people just need to put the medical machinery inside a cleaning port, operation is extremely simple, structure is simple, size is small and exquisite, manufacturing cost is low, washing and sterilization effect is obvious, efficiency is high, later-period maintenance is extremely simple and convenient, application is wide, and popularization is greatly facilitated.

The invention discloses a digital product cleaning device which comprises a shell mechanism, a cleaning assembly and a power mechanism. Wherein the shell mechanism comprises a protective shell, a top cover is arranged at the top of the protective shell, an opening is formed in the surface of the top cover, a switch key is arranged on one side of the opening of the top cover, and a bottom shell is mounted at the bottom of the protective shell; wherein the number of the cleaning assemblies is two, the two cleaning assemblies are installed on the two sides of the interior of the protective shell, and the cleaning assemblies are used for disinfecting and cleaning digital products; wherein the power mechanism is installed in the bottom shell, the power mechanism is fixedly installed at the bottom of the protection shell, the power mechanism is controlled by the switch button, and the power mechanism is used for providing power for the cleaning assembly. According to the digital product cleaning device, the power mechanism is arranged to drive the two cleaning assemblies, a user can clean the front face and the back face of a digital product without making contact with the digital product, manpower is saved, the cleaning efficiency is improved, and stains such as dust and oil stains on the surface of the digital product can be effectively wiped away.

The invention provides a PDF document privacy leakage prevention method, which comprises the following steps: extracting metadata of the PDF document and checking whether the PDF document has passwordprotection through the metadata; if the document is not password protected, checking whether the document is file copy protected; if the document is not protected from file copying, an optional description in PDF auxiliary support is extracted from it; Filter out descriptive text and Internet links from optional descriptions, leaving only file paths; presenting a component of the metadata that may contain privacy information and the file path to a user; according to the user's selection, the components of the document that will disclose the privacy information are erased to generate a PDF document which does not contain the privacy information and does not destroy the original structure and content. The invention also provides a PDF document privacy leakage prevention system, which comprises a document sensitive component extraction module, a document sensitive component display module and a document privacy information erasing module.

The invention discloses a medical oil bath towel which relates to the field of medical and health services. The medical oil bath towel is formed by a non-woven fabric containing an oily ingredient, wherein the weight proportion of the non-woven fabric to the oily ingredient is 1: (4-5). The medical oil bath towel is characterized in that the oily ingredient is prepared from olive oil for food, teal toil and squalane. A preparation method of the medical oil bath towel comprises the steps of: (1) weighing the olive oil for food, the teal toil and the squalane, adding into a container and evenly mixing to obtain liquid oil; (2) folding the cut non-woven fabric and packaging into a packaging bag; (3) pouring the liquid oil into the packaging bag with the weight proportion of the liquid oil to the non-woven fabric of (4-5): 1 and sealing after the pouring; and (4) carrying out cobalt-60 radiation sterilization on the sealed packaging bag. The medical oil bath towel is simple in formula, does not contain any essence and does not have allergic conditions.

A method for removing an oxide layer on the surface of a nickel-chromium alloy, comprising the following method steps: pretreatment: degreasing treatment, washing with water, and drying; primary treatment: removing the oxide layer by rubbing the wire through an acidic polishing slurry; secondary treatment: washing with water, At the same time, ultrasonic waves are used to vibrate the wire; washing and drying: the wire is repeatedly washed with high-pressure water until there is no residue on the surface of the wire and dried. In this application, the acidic slurry is used for grinding, and the acidic slurry can promote the peeling off of the oxide layer on the surface of the nickel-chromium alloy, and at the same time, the abrasive in the slurry rubs against the surface of the nickel-chromium alloy, which can effectively erase the oxide layer on the surface of the nickel-chromium alloy , the removal speed is fast and the efficiency is high, which is conducive to improving the production efficiency of the nickel-chromium alloy; by using ultrasonic vibration in the washing process to remove the oxide layer on the surface of the nickel-chromium alloy, it can promote the stripping of the oxide layer on the surface of the nickel-chromium alloy, In turn, the removal efficiency of the oxide layer on the surface of the nickel-chromium alloy is improved.

The invention discloses processing and production equipment and a processing method for packaging substrates, and relates to the technical field of packaging substrate processing. Including the substrate body and the body for automatic loading, pickling, water rinsing and drying operations on the substrate body, conveying mechanism, lifting mechanism, feeding mechanism, drainage mechanism, wiping mechanism, pipeline mechanism and drying mechanism , the substrate body includes a ceramic substrate, and the inner layer thick copper foil and the outer layer thin copper foil are sequentially arranged on both sides of the ceramic substrate. By setting up the machine body, conveying mechanism, lifting mechanism and feeding mechanism, the substrate body to be pickled is automatically loaded through the conveying roller, and the substrate body is pickled, wiped and dried with the left and right movable loading rack. Compared with the conventional manual feeding method, it not only ensures the feeding efficiency of the substrate body, but also avoids the harm of the pickling solution to the staff, and ensures the usability of the device.

The invention discloses a cleaning tool for dredging a plugged container. The cleaning tool has a sleeve that can be butted on the plugged container, and a cleaning tool which is inserted into the sleeve and extends out of the sleeve at the front end and the rear end respectively. A long rod, the front end of the long rod can extend into the blocking container, and a deformation mechanism that can radially deform with the axial displacement of the long rod is connected between the front end of the long rod and the sleeve , the deformation mechanism is used to clear the blockage in the blockage container. The present invention can effectively clear the blockage in the container without emptying the container. Of course, this kind of clearing operation is also applicable to the emptying container, and has the characteristics of convenience, high efficiency, labor saving, cost saving and the like.

The invention relates to a fast drying disinfection cabinet, which comprises a cabinet body, a push rod, a first motor, a rotating head, a second motor and a ventilation assembly, wherein a first object supporting frame and a second object supporting frame are arranged inside the cabinet body; the first object supporting frame is arranged above the second object supporting frame, and is provided with a feeding port corresponding to the second object supporting frame; the push rod horizontally moves on the first object supporting frame; the first motor is connected with the push rod in a driving manner; the rotating head is rotationally arranged above the first object supporting frame; a water absorption layer is arranged on the surface of the rotating head; the second motor is connected with the rotating head in a driving manner; and the ventilation assembly is communicated with the inside of the cabinet body. Kitchen ware is pushed to the rotating head by the push rod; the rotating head is used for wiping the kitchen ware, so that water stains on the surface of the kitchen ware can be effectively wiped away; and then, drying is performed, so that the drying efficiency is greatly improved, and meanwhile, the drying energy consumption is reduced.

The invention relates to a rapid drying and disinfection cabinet, comprising: a cabinet body, a first holder and a second holder are arranged inside the cabinet, and the first holder is arranged on the second holder Above the rack, and the first rack is provided with a discharge opening corresponding to the second rack; the push rod moves horizontally on the first rack; the first motor, the first motor Drive connection with the push rod; turn head, the turn head is rotatably arranged above the first bracket, and the surface of the turn head is provided with a water-absorbing layer; a second motor, the second motor is connected to the Rotor driving connection; ventilation component, the ventilation component communicates with the inside of the cabinet. The kitchen utensils are pushed to the rotor through the push rod, and the rotor wipes the kitchen utensils, so that the water stains on the surface of the kitchen utensils are effectively wiped off, and then dried, which greatly improves the drying efficiency and reduces the drying energy consumption.

The present invention provides a method for preventing privacy leakage of a PDF document, which includes the following steps: extracting metadata of the PDF document, and checking whether it has password protection through the metadata; if the document has no password protection, checking whether it has file copy protection; if If the document has no file copy protection, extract the optional description in the PDF auxiliary support; filter out the descriptive text and Internet links in the optional description, and only keep the file path; use the components that may contain private information in the above metadata And the above file path is presented to the user; according to the user's choice, the components that will leak the private information in the document are erased, and a PDF document that does not contain private information and does not destroy the original structure and content is generated. The present invention also provides a PDF document privacy leakage defense system, which includes a document sensitive component extraction module, a document sensitive component display module and a document private information erasure module.

An image forming apparatus and a printing sheet. An image forming apparatus includes a conveying unit that conveys a sheet, and an image forming section that forms an image area formed of a toner layer that enables erasing with a whiteboard eraser while conveying with a whiteboard marker. Information written on the sheet conveyed by the unit.