119results about How to "Keep dry and clean" patented technology

The anticracking patch includes protecting film layer, upper coating layer, high strength base layer and lower coating layer arranged successively from the top to the bottom. Both the upper coating layer and the lower coating layer are made of polymer modified asphalt material comprising asphalt 48-58 wt%, SBS 5-10 wt%, tackifying resin 7-13 wt%, engine oil 4-8 wt%, rubber powder 9-11 wt%, tackifying petroleum resin 1-3 wt% and intensifier 3-13 wt%. The present invention is industrially produced and has excellent anticracking and waterproofing functions.

The invention discloses an automatic wellhead operation tong used for petroleum workover. The automatic wellhead operation tong mainly solves the problems that in prior petroleum workover field, low working efficiency, high labor intensity, the bad security, and serious environmental pollutions are caused because the operation for loading and unloading pipe column is accomplished by a manually-operated opening type hydraulic tong and a replacing elevator. The automatic wellhead operation tong is characterized in that the operation tong integrates a close type power tong and a power slip into a whole, and the operation tong is composed of a main tong, a back tong, a slip and vertical guide rails, supporting frames extending from the both sides of the slip are used for installing the two vertical guide rails, the main tong and the back tong can be moved vertically along the guide rails, and the enclosed space between the main tong and the back tong can be used for collecting residual liquid of the pipe column. The automatic wellhead operation tong has the advantages that automatic wellhead operation tong can realize the automatic screwing and unscrewing of the screw threads from the tube and the environment-friendly operation; the tong can be firmly clipped at the tong mouth, thus components are not needed to be replaced in a wide range, and the working efficiency is improved greatly. The clipping performance is good, the working is reliable, and the social and economic benefits are quite remarkable.

The invention discloses a skin-care and health-care fabric which comprises a surface health-care fabric layer and an inner skin-care fabric layer, wherein the health-care fabric layer is prepared from warps and wefts through mutual weaving, each warp is prepared from viscose fibers and bamboo fibers through blended weaving, each weft is prepared from tencel fibers and spun silk fibers through blended weaving, and the skin-care fabric layer is prepared from milk protein fibers, soybean protein fibers and cotton fibers through blended weaving. Through adopting a mode of carrying out respective blended weaving on various natural fibers such as viscose fibers, bamboo fibers, tencel fibers and spun silk fibers, the fabric has a good health-care function and also has radiation-resistant, antibacterial, bacteriostatic and deodorant functions and the like, thereby ensuring the cleanness and dryness of the surface the human body, so that people wear comfortable; and the inner skin-care fabric layer is prepared from milk protein fibers, soybean protein fibers and cotton fibers through blending, and the milk protein fibers and the soybean protein fibers are protein fibers and contain rich amino acids, therefore, the fabric can protect and nurse the skin.

The invention relates to an atomizer which comprises an oil storage cabin component, a base component and an atomization core component, wherein the base component comprises a base body; an accommodation chamber and a gas inlet hole are formed in the base body; the atomization core component comprises an atomization part and a diversion part; the atomization part comprises an atomization chamber;the diversion part is mounted at the atomization part and is provided with a gas flow separation chamber; the gas flow separation chamber comprises a rotational flow area and a direct flow area; a first central hole is formed in the rotational flow area; a first air flow hole and a first guide plate are arranged in the direct flow area; the first central hole and the first air flow hole are communicated with the atomization chamber; a second central hole is formed in the oil storage cabin component; a part of a gas passes through the central area of the atomizer in a rotational flow mode; theother part of the gas passes through an edge area of the atomizer in a direct flow mode. The invention further discloses an electronic heating evaporation sucking device. By adopting the atomizer andthe electronic heating evaporation sucking device provided by the invention, the stability of smoke taste is maintained by virtue of the direct air flow in the edge area, and the heat radiation property is improved by virtue of the rotational air flow in the central area.

The invention relates to fiber filter paper for disposable medical and hygienic products and a manufacturing method thereof, and belongs to the technical field of wet-method non-weaving papermaking. The fiber filter paper is prepared from 15 to 45 weight percent of plant fibers, 30 to 75 percent of artificial fibers and 10 to 55 percent of low-melting point chemical fibers which serve as raw materials through a wet-method non-weaving process, wherein the artificial fibers comprise tencel and viscose; the low-melting point chemical fibers comprise poly ethylene (PE) fibers, ethylene vinyl silane (EVOH) fibers, ethylene-propylene side by side (ES) fibers with a skin-core structure and fibers or composite fibers which contain components such as propene polymer (PP), polyamide (PA), polyethylene terephthalate (PET) and the like and have the melting point of between 80 and 160 DEG C. The fiber filter paper for the medical and hygienic products has uniform and soft quality, and high wet-dry strength, hydrophily, dyeing property and printability, is air-permeable and comfortable, can keep skin clean and dry and comfortable, and is non-toxic, tasteless, safe and sanitary, so the fiber filter paper can be used for producing middle and high-grade disposable medical and hygienic products with different colors or printing patterns.

A vacuum storing and testing device for transmission electron microscope sample rods belongs to the field of transmission electron microscope vacuum fittings. In storage of the sample rods, energizing testing and heating testing can be performed on the sample rods. The device comprises the components of a movable frame, a vacuum pump system, a vacuum measuring-and-displaying system, a vacuum cap, a valve system, a sample rod storing assembly and a plug. The device realizes simultaneous storage of multiple sample rods and is provided with an adding window which is reserved. The device can pump the air pressure in a chamber from atmosphere pressure to 4*10<-4> Pa within five minutes, and a limit vacuum pressure can reach 5*10<-5> Pa. The vacuum storing and testing device has advantages of effectively preventing electron microscope pollution caused by pollution or erosion by the sample rods in placement at outside, greatly reducing pre-pumping time of the sample rods in the electron microscope, realizing higher speed in reaching a stable vacuum degree of the electron microscope and prolonging service life of the sample rods. The vacuum storing and testing device further realizes benefits of convenient operation, high vacuum degree, easy adding of sample rod storing stations, and high suitability for different types of transmission electron microscope sample rods.

The invention belongs to the field of building coatings and particularly relates to a functional inorganic mineral wall material. The functional inorganic mineral wall material is prepared from, by mass, 20-40 parts of ground calcium carbonate, 10-20 parts of ash calcium powder, 0-10 parts of washed kaolin, 0-10 parts of metakaolin, 0-10 parts of calcined kaolin, 0-5 parts of calcium bentonite, 5-15 parts of diatomaceous earth, 0-10 parts of zeolites, 10-30 parts of modified gypsum, 0-20 parts of magnesium oxide, 0-10 parts of magnesium sulfate, 0-5 parts of titanium dioxide, 0-5 parts of white cement, 0-5 parts of sepiolite, 0-5 parts of attapulgite, 2-5 parts of talcum powder, 0-5 parts of wollastonite, 0.5-1 part of water-retaining agent and 0-2 parts of nano titanium dioxide photocatalyst.

The invention discloses an antistatic fabric for moisture absorption and sweat elimination, which is formed by interweaving warps and wefts. The fabric has rib weave consisting of back weave and face weave, wherein odd warps are back warps which are interwoven with the wefts to form the back weave, even warps are face warps which are interwoven with the wefts to form the face weave, the back warps are common fiber back warps, the face warps are superfine fiber face warps, and the fabrics are embedded into conductive yarns at intervals in the warp direction and in the weft direction respectively. The invention provides the antistatic fabric for the moisture absorption and the sweat elimination, which has good effects on moisture absorption and sweat elimination, good antistatic effect, and comfort.

The invention provides an externally-applied dressing and a preparation method and an application thereof. The externally-applied dressing is formed by a composite fiber, wherein the composite fiber comprises A, a synthetic polymer, B, a natural polymer, and C, desferrioxamine. The preparation method of the externally-applied dressing comprises the steps of mixing a solution containing the synthetic polymer, a solution containing the natural polymer, and desferrioxamine to form a spinning raw material solution, and then carrying out spinning treatment of the spinning raw material solution. The invention also provides the application of the externally-applied dressing in preparation of products for treatment of traumatic skin injury.

The invention discloses a scale pig farm. A pig house, a trough, a waterer and a fence are arranged in enclosure walls. The upper portions of a front support wall and a rear support wall are connected with a support beam. The rear support wall comprises two layers of brick walls and a thermal-insulation layer between the brick walls. A first thermal-insulation layer and a second thermal-insulation layer are arranged on the upper portion of the support beam. A skylight is formed in the support beam close to the rear support wall, an exhaust fan is arranged at the skylight, and a ventilation opening is formed in the front support wall. A roller blind machine is arranged at the top end of the support beam, and a drainage channel is formed in the lower portion of the front support wall and is communicated with the pig house floor. A protection screen is arranged at the ventilation opening, the skylight and the drainage channel respectively. A management room is arranged on the east side or the west side of the pig house, and a control unit is arranged in the management room. A camera and a temperature and humidity sensor are arranged in the pig house. Switches of the camera, the temperature and humidity sensor and the skylight exhaust fan are connected with the control unit which is connected with an alarm. By means of the scale pig farm, the structure is compact, the temperature and the humidity can be adjusted conveniently, and the efficiency and the benefit of raising are improved.

The invention discloses a female-only catheter. The catheter comprises main pipelines of an inner surface and an outer surface, and further comprises an external urethral orifice fixing component in which a top end of the head of the catheter can be at least arranged in a sleeved mode, a flexible urethral guiding component, a catheter driving component which is connected with a cylindrical main body of the external urethral orifice fixing component in a sleeving mode, a hydrophobic flow stopping component on a urine outlet of the catheter and spatialized structures, such as thin segments, pump pipes and tubular beds, which conduct expanding operations on narrow urethral areas. According to the female-only catheter, not only are drawbacks of a traditional mode of undirected dangling placement eliminated by a safe mode of directed approaching placement, and is pollution of urethral orifice surrounding tissues to the catheter avoided completely, but also urethral intimal injury caused by narrow urethra in a placement process is avoided furthest; the pollution of flowed urine to a catheter outlet is avoided; blockages of blood clots and tissue masses in a urinary bladder to a urine inlet during retention are removed effectively, and the female-only catheter is matched with a special peristaltic pump so that residual urine volume can be reduced to the lowest.

The invention provides an automatic cooling running shoe which comprises a shoe sole and a vamp, wherein the shoe sole comprises an outsole and an air cushion; a mounting slot is arranged on the outsole; an airbag is arranged in the mounting slot; the airbag is bulged from an opening of the mounting slot; a pressure spring is distributed in the airbag; air suction pipes are distributed on the two sides of the airbag; an exhaust pipe is arranged on the front side of the airbag; check valves are arranged at the tail ends of the air suction pipes and the exhaust pipe; the vamp comprises a sandwich layer and a bracket layer; the bracket layer is adhered to the surface of the sandwich layer; through slots are distributed on the bracket layer; air vents are distributed in the sandwich layer; the air vents and the through slots are located on a same vertical line; and the air vents are of horn shapes and have inner diameters with big exteriors and small interiors. At motion time, the automatic cooling running shoe can quicken the inside and outside air circulation, can quickly reduce temperature, can quickly remove hot air, can keep the shoe interior fresh and cool, and is comfortable to wear.

The invention discloses a waterproof anti-static fabric. The fabric comprises a superficial waterproof layer, an anti-static layer under the waterproof layer and a moisture-absorbing permeable layer under the anti-static layer; the waterproof layer is structured by waterproof permeable films; the anti-static layer is structured by interweaving warps and wefts; the warps are formed by blending and weaving carbon fibers and linen fibers; the wefts are formed by blending and weaving polythiophene conductive fibers and viscose fibers; and the moisture-absorbing permeable layer is formed by weaving mercerized cotton fibers. The surface layer uses one-way waterproof permeable films from inside to outside; the inner moisture is released; the water is prevented from invading; the anti-static layer can prevent the generation of static electricity and protects the safety of human body; the inner layer is formed by weaving the mercerized cotton fibers; and the waterproof anti-static fabric can absorb moisture and breathe, is soft and comfortable and keeps human body surface dry, comfortable and clean.

The invention discloses a dehumidifying and drying system device for a cabinet. The dehumidifying and drying system device comprises a heating device fixed in an inner container, and a temperature control device, a hot air circulation device and a dehumidifying device arranged at the back of the inner container; the heating device, the temperature control device, the hot air circulation device and the dehumidifying device are in electric control connection through electric control plates; the temperature control device is formed by an over-temperature protector which sets temperature and an over-heat protector; the over-temperature protector and the over-heat protector are all fixed on the back of the inner container and detect the temperature, when the temperature of the inner container is detected to reach the set temperature, the electric control plates are informed, and the set temperature of the over-heat protector is higher than that of the over-temperature protector. The heating device and the hot air circulation device are matched in work so as to equalize the temperature in the inner container, the temperature control device detects the temperature in the inner container so as to ensure the appropriate temperature in the inner container, and the dehumidifying device can effectively discharge the vapor in the inner container completely; and while being applied to a sterilizing cabinet, the dehumidifying and drying system device can keep the tableware in the cabinet clean and dry.

The invention relates to an anion containing bamboo carbon fiber quilt with antibacterial and deodorizing functions and a preparation method of the bamboo carbon fiber quilt. The bamboo carbon fiber quilt comprises a core filler which is prepared from, by weight, 10%-20% of bamboo charcoal fiber, 10%-20% of cotton fiber, 10%-15% of nano-silver fiber and 50%-55% of anion viscose fiber. Air permeability and heat dispersion of the product are increased, and antibacterial effect is achieved.

The invention relates to an intelligent robot with a waterproof function and capable of realizing rapid heat dissipation. The intelligent robot comprises a machine body, a sliding block and transparent glass. The middle of the inner side of the machine body is connected with a transmission cabin. A sliding rail is arranged on the outer wall of the lower end of the transmission cabin. The sliding block is movably connected to one side of the outer wall of the sliding rail. A rotating disc is arranged on the inner wall of the sliding rail. The transparent glass is fixed to the lower end of the sliding block. Threaded holes are formed in the periphery of the rotating disc. The lower ends of the threaded holes are in threaded connection with fixing bolts. The sliding block and the sliding railare arranged, form a rotary structure and are distributed in a semi-circular shape, so that when a user needs to hold an object hung in the machine body, the user can perform rotation through a doorhandle arranged on the outer wall of one side of the transparent glass, the sliding block is driven by the transparent glass through external force to axially rotate along the inner wall of the lowerend of the sliding rail, the whole machine body is in an open shape, and the user can directly take out the object needing to be taken out.

The invention discloses a corrosion prevention production line for an epoxy layer of the outer surface of a welding steel tube and a corrosion prevention technology. The corrosion prevention production line is composed of a medium frequency preheating furnace, an outer wall derusting machine, a tiny dust treatment and dedusting device, a flame preheating furnace, a phosphorization reaction chamber, a clean water cleaning chamber, an air drying chamber, a medium frequency heating furnace, an epoxy spraying device, a coating water cooling device and a spark leak detection device which are sequentially arranged. According to the corrosion prevention production line, an anticorrosion layer produced by the production line is excellent in quality, and the service life of the steel tube is long.

The invention relates to the technical field of detection equipment, in particular to a leak detection device for a pump body and leak detection equipment. The leak detection device for the pump body comprises a leak detection table top, a positioning die, a pressing mechanism, a sealing mechanism, and an inflation detection mechanism; the positioning die is used for mounting the pump body and sealing a first port in the lower side of the pump body; the pressing mechanism is used for abutting against the upper end face of the pump body; the sealing mechanism comprises a plurality of sealing assemblies which are used for sealing ports in all the side faces of the pump body correspondingly; and the inflation detection mechanism is used for abutting against one port of the sealed pump body, inflating a cavity in the pump body and detecting the air pressure of the cavity in the pump body; wherein the first sealing assembly facing one side of the second connected port in the pump body comprises a first driving part, an arm plate and an elastic sealing plate, the arm plate is installed at the output end of the first driving part, the elastic sealing plate is installed on the arm plate, and the first driving part drives the arm plate to move, so that the elastic sealing plate abuts against and seals the second connected port of the pump body. According to the leak detection device for the pump body and the leak detection equipment, the problems that an original leak detection method wastes time and labor, detection is inaccurate, and the percent of pass of factory pumps is seriously affected are solved.

The two-motor type ice breaking stirrer includes one stirrer and one fitted cup. Inside the cup, there is a stirring knife. The stirrer has one upper cover, one transmission gear mechanism, one ice breaking chain mechanism inside the upper cover and connected to the transmission gear mechanism, one ice box assembly, one driving chain with one motor in one end and one shaft coupler to drive the stirring knife in the other end, one ice discharge unit in the upper cover, one ice stirring and breaking mechanism with one sync belt, and one water tank. The two-motor type ice breaking stirrer is suitable for use in household and other places.

The invention discloses a device for maintaining adhesion coefficient of a wheel rail. The device at least comprises a bogie flashing board, a motor, a rotating shaft, a disk brush, an air knife, an air duct, an electric heating device, a fan, a lifting platform and a transmission device, wherein the bogie flashing board is mounted on the outer side of a motor car bogie wheel set; and the rest equipment is mounted in an equipment cabin above a power shaft. When in rainy, snowy, frost and heavy fog and wet days or when attachments such as floating dust, oil contamination and leaves are on a rail surface, a control system controls the transmission device so that the disk brush and the air knife drop to the rail surface from the equipment cabin; and the motor drives the disk brush on the rotating shaft to rotate at high speed, the leaves, the oil contamination, accumulated water, accumulated snow and other attachments on the rail surface are removed from the rail surface, high-pressure air generated by the fan is sprayed out from the air knife at high speed, residual water is blow-dried instantly, so that the rail surface is always in a dry state, stable adhesion coefficient between wheel rails is ensured, and a high-speed train can safely and stably run at high speed around the clock.

The invention discloses an artificial breeding method of ducklings. The artificial breeding method includes: selecting a duckling shed; feeding feed and water; controlling temperature, humidity and illumination; ventilating, cleaning and disinfecting. According to the artificial breeding method, ecological breeding is implemented, the duckling shed is disinfected and maintained dry and clean, duckling living environment is improved, proper temperature is provided for the ducklings, and the feed is fed reasonably, so that the ducklings are enabled to be high in disease resistance and survival rate and can grow quickly and healthily. The artificial breeding method is low in labor intensity and investment, quick in action, high in scientificity and operability, simple to implement, low in cost and high in applicability and is of popularization and demonstration significance.

The invention discloses an application method of paralyzed-patient nursing system. The paralyzed-patient nursing system comprises a nursing bed, a transferring wheelchair and a massage mechanism. Theapplication method has the advantages that various comprehensive requirements of paralyzed-patient nursing are satisfied, manual carrying is not needed, the nursing procedures are simplified, the comfortableness and living quality of a paralyzed patient are improved, and body function recovery is promoted.

The invention discloses a tension spring type public seat which belongs to the field of public utility and can automatically recover a backrest. The tension spring type public seat comprises support legs, a side support, a seat plate, a movable seat plate, the backrest, a fixture block and a hinge, wherein a cylinder compression bar penetrating through a tension spring is arranged downwards at the end tip part of the movable seat plate, the compression bar is riveted after penetrating through the side support downwards, and a rack is fixedly connected on the end face of the movable seat plate and is meshed with a flywheel gear provided with a triangular closed slideway through a tooth; the front end of a horizontally placed slide bar extends to the slideway, a pin rod at the end tip of the slide bar extends into the slideway, the rear end of the slide bar is articulated with the front end of a rocker slanting downwards, the rear end of the rocker is articulated with the lower end of a support plate rotating around a shaft, the lower end of the tension spring is hung on an articulated shaft at the articulation part, the tension spring goes backwards and upwards to get over the hinge, and the other end of the tension spring is hung on a spring rod arranged near the lower side of the end face of the backrest; the parts arranged on the end face of the seat are bilaterally symmetric. The design is suitable for a public occasion.

The invention discloses a high-vacuum flange sealing assembly. The high-vacuum flange sealing assembly comprises a sealing ring, wherein a first flange disc and a second flange disc are fixedly connected to the two sides of the sealing ring through fastening bolts; a fastening nut is connected to the tail end of each fastening bolt in a threaded manner, the outer side of the sealing ring is provided with a flanged edge, a contact ring is fixedly connected to the middle portion of the sealing ring, and an inner sealing ring is fixedly connected to the interior of the sealing ring; and a salient-point circular ring is bonded to the upper surface of the sealing ring, bolt holes are formed around the contact ring, and a through hole is formed in the middle portion of the inner sealing ring. According to the high-vacuum flange sealing assembly, a special structure is adopted for increasing the contact area between the flange discs, the sealing effect is improved, the sealing effect on the flange discs is improved by means of high elasticity of the natural rubber flanged edge, sealing failure caused by sealing surface separation due to overstretching can be effectively prevented throughthe salient-point circular ring, an internal medium can be adsorbed through the silicone inner sealing ring, and the service life of the sealing ring can be prolonged.

The invention discloses a cable take-up and pay-off device for the power field, and relates to the technical field of power cables. The cable take-up and pay-off device comprises a base, a motor is arranged at the position close to the rear end of the base, a transmission shaft is connected to the output end of the motor, a driving bevel gear is connected to the end, close to the motor, of the transmission shaft, and a driven bevel gear is in meshing transmission with the driving bevel gear. A winding disc is arranged at the output shaft end of the driven bevel gear, a first crankshaft and a second crankshaft are connected to the end away from the motor of the transmission shaft, the first crankshaft is rotationally connected with a crank rod, the crank rod is rotationally connected with aguide column, and a guide sliding block is fixedly connected to the lower end of the guide column. A stand column on the right side is adjusted to fix the winding disc with different lengths, at themoment, a power cable sequentially penetrates through a cleaning box, a drying box and through holes of the guide column to be wound on the winding disc, manual operation is not needed, labor intensity is reduced, cleaning and winding are achieved at the same time, work efficiency and work quality are greatly improved, and the storage environment of the power cable is fully guaranteed to be dry and clean.

The invention discloses a seat for public use and belongs to the field of public facilities. The backrest of the seat can be automatically put away. The seat comprises supporting legs, an edge support, a seat plate, a movable seat plate, the backrest, a buckle and a hinge. A cylindrical press rod sleeved with a compression spring in a penetrating mode is downward arranged at the end part of the movable seat plate and is riveted after penetrating through the edge support, and a rack is fixedly connected to the end face of the movable seat plate in a direct downward mode and is meshed with a flywheel gear of an arranged cam through teeth. The front end of a transversely arranged sliding rod extends towards the rear end of the cam surface, backwards extends to the vicinity of the rear end of the edge support and is immersed into an edge sleeve, a convex block is arranged on the sliding rod, and the convex block position penetrates into the opening of a vertically arranged pin rod. A gear block meshed with a flat rack is fixedly connected nearby the bottom edge of the end face of the backrest, the flat rack is arranged into a sliding groove, a force storage compression spring is arranged on the front end face of the flat rack, and a pin hole is formed in the bottom surface of the flat rack. The left ends and right ends of the parts arranged on the end face of the seat are symmetrically arranged. The seat is suitable for a public occasion.

The invention discloses a foldable umbrella holder. The foldable umbrella holder comprises an umbrella holder body, and is characterized in that the umbrella holder body comprises an upper umbrella holder supporting rod and a lower umbrella supporting rod, wherein the upper umbrella holder supporting rod is movably connected with the lower umbrella holder supporting rod through an umbrella holder central shaft, the upper umbrella holder supporting rod is provided with an umbrella barrier frame, umbrella hanging hooks are arranged in the umbrella barrier frame in an encircling manner, the umbrella barrier frame is connected with the upper umbrella holder supporting rod through bearings, the center of the umbrella barrier frame is provided with an umbrella barrier frame central shaft, the lower umbrella holder supporting rod is provided with a water storage groove, the water storage groove is connected with the lower umbrella holder supporting rod through bearings, the center of the water storage groove is provided with a water storage groove central shaft, a handle is formed between the umbrella barrier frame and the top of the upper umbrella holder supporting rod, and supporting feet are arranged between the water storage groove and the bottom of the lower umbrella holder supporting rod. The foldable umbrella holder has the advantages of foldability, convenience in carrying, ingenuity in shape, reasonability in structure, simplicity in operation, convenience, practicability and capability of maintaining the dryness, cleanliness and sanitation of the ground and providing convenient application condition to a user.

The invention provides equipment capable of flexibly detecting air tightness of exhaust manifolds and an application method. The equipment comprises a detection cart, a starter and an alarm. A plurality of vertical and horizontal slide ways are arranged on three faces of the detection cart, and extend inwardly to form a plurality of clamping devices and sealing devices with claws. The clamping devices and the sealing devices are connected with a power device. The tail of the power device penetrates the vertical and horizontal slide ways and move on the vertical and horizontal slide ways. The detection cart is provided with an automatic water injection pipe fitting and an automatic air delivery pipe fitting. The starter and the alarm are arranged on the outer side of the detection cart, andare connected with a control system through sensors. A water tank is arranged on the bottom surface of the detection cart. High-pressure water compression is applied to detect the air tightness of the manifolds, adjustment can be made flexibly according to differences of the detected manifolds, and the equipment has the advantages of visual and obvious detection effect and applicability to various automotive exhaust manifolds.

The invention relates to commonly-used infant health articles in daily life and discloses a novel color-changeable diaper, which comprises a replaceable diaper sheet and a diaper sheet fixing component. The diaper sheet fixing component consists of a waterproof diaper stripe and a waistband; the waterproof diaper stripe is provided with a urine wet color-changing device; the urine wet color-changing device consists of water absorption cotton, a urine conveying tube and a color display. According to the technical scheme, the novel color-changeable diaper is favorable for effectively absorbing and trapping urine when a baby excretes, and ensures that the replaceable diaper can be replaced at the first time through the urine wet color-changing device, thereby ensuring that the clothing and the bedding of the baby are kept dry and comfortable and clean; meanwhile, the replaceable diaper can be washed repeatedly and the diaper fixing component can be cleaned at any time, so the novel color-changeable diaper is convenient and practical, and simple in technique and accords with the environmentally-friendly concept.

The invention discloses a skin care fabric, which consists of the following components: viscose fibers, bamboo fibers, tencel fibers, spun silk yarn fibers, milk protein fibers, soybean protein fibers, corn fibers and aloe fibers. The skin care fabric disclosed by the invention has the advantages that the fabric, which is made by weaving various natural fibers such as the viscose fibers, the bamboo fibers, the tencel fibers, the spun silk yarn fibers and the like in a blended mode, is excellent in health care effect, and meanwhile, the fabric has functions of resisting radiation, resisting bacteria, inhibiting bacteria, deodorizing and the like; the fabric can keep the surfaces of human bodies clean, dry and comfortable, so that users can feel comfortable in the fabric; the inner layer of the fabric is formed by weaving milk protein fibers, soybean protein fibers and cotton fibers in a blended mode; the milk protein fiber and the soybean protein fiber are two protein fibers which are rich in amino acid, and the milk protein fiber and the soybean protein fiber can protect and care skin; and the skin care fabric is simple in preparation method and significant in effect.