51results about How to "Easy to penetrate" patented technology

An apparatus for transporting seasoning within a food product and particularly within a meat, fish or poultry product is disclosed. The apparatus comprises a handle, a head and a plurality of prongs. Seasoning adheres to the prongs and is transported inside of the food product when the prongs are inserted into the food. In a second embodiment of the apparatus, the prongs are tiered to increase the adhesion of the seasoning to the prongs and thereby transport additional quantities of seasoning into the interior of the food product.

A method of forming a pattern of an inorganic material film, which method is more versatile, easy, and practical. The method includes the steps of: (a) forming a sacrifice layer having a pattern on a substrate by employing a material having a different thermal expansion coefficient from that of an inorganic material of the inorganic material film; (b) forming an inorganic material layer on the substrate, on which the sacrifice layer has been formed, at a predetermined deposition temperature by employing the inorganic material; (c) lowering a temperature of at least the inorganic material layer to produce cracks in the inorganic material layer formed on the sacrifice layer; and (d) removing the sacrifice layer and the inorganic material layer formed thereon.

The invention discloses a heat-seal interface easily-torn PE thin film, which is formed by coextruding a corona layer, a middle layer and an inner layer, wherein the corona layer contains low-densitypolyethylene resin and high-density polyvinyl resin; the middle layer contains low-density polyethylene resin and high-density polyvinyl resin; the inner layer contains coated low-density polyethylene, high-density polyvinyl resin, polybutylene resin and polyester modified organosilicone. The coated low-density polyethylene is added into the inner layer, so that the thin film has good heat seal property, and the polyester modified organosilicone added into the inner layer has heat seal property, so that the heat-seal intensity value of the thin film is controlled within certain range and is easily torn off a heat-seal surface without complete damage or filament raising, and therefore, the PE thin film is suitable for being used as an easily-torn seal cup lid film, easily-torn mask productpackages and easily-torn medical dressing packages.

The invention discloses a curing agent for a sewer pipeline. The curing agent for the sewer pipeline is characterized by comprising the following components in percentage by mass: 5 to 50 percent of chorine-containing disinfectant, 10 to 60 percent of hyperoxide disinfectant and 0.1 to 10 percent of surfactant. The curing agent for the sewer pipeline can kill microorganisms in the sewer pipeline, remove pollution in the sewer pipeline, effectively solve the pollution problem of a household sewer pipeline, completely maintain the household sewer pipeline and eliminate health hidden trouble brought by the pollution of the sewer pipeline.

The invention discloses a yarn coiling method used in yarn coiling device without ring. Its structure is that groove of the ring is set rotating ring whose diameter is smaller than the former. And their one side is stuck together. But another one is remained some space. The method is that threading the yarn end from the space; fixing on spindle yarn tube; making the spindle rotate and the ring pump vertically to coil the yarn. It has the advantages of long useful life, no yarn hairiness and broken ends, and increasing spinning speed and efficiency.

The invention discloses a spiral high-pressure jetting wing-enlarged stirring bottom-expanded stiff composite pile, a construction method thereof and a drilling machine. According to the stiff composite pile, the construction method thereof and the drilling machine, the technical problems of relatively low bearing capacity, high cost, certain quality defects and the like of an existing stiff composite pile are solved. The spiral high-pressure jetting wing-enlarged stirring bottom-expanded stiff composite pile comprises an outer pile body, an inner core pile body and a bottom-expanded base, wherein the outer pile body, the inner core pile body and the bottom-expanded base are combined into a whole, the strength composite pile further comprises a prefabricated pile tip installed at the lowerend of the inner core pile body, and the inner core pile body and the prefabricated pile tip are planted into the center of the outer pile body. According to the stiff composite pile, the construction method thereof and the drilling machine, firstly, the outer pile body is subjected to high-pressure grouting injection to carry out first-stage extrusion and compaction on pile periphery soil, whenguncreting is carried out on center concrete through the bottom-expanded base, second-stage extrusion and compaction are carried out on the outer pile body, third-stage extrusion and compaction are carried out on the outer pile body in the process of planting the inner core pile body, and the outer pile body which are formed through the three stages of extrusion and compaction is extruded and compacted with the surrounding soil layer, and the resistance of the side of the pile is greatly improved; and secondly, the three stages of extrusion and compaction are carried out on the bottom-expandedconcrete through high-pressure grouting bottom expanding, concrete guncreting bottom expanding and the prefabricated pile tip, so that the resistance of a pile end is further improved.

The invention discloses superoxide dismutase microcapsule powder and a preparation method thereof. The superoxide dismutase microcapsule powder is prepared from, by weight, 15-35 parts of hydroxypropyl-beta-cyclodextrin, 3-35 parts of superoxide dismutase and 20-40 parts of lactose or mycose. The superoxide dismutase is added into a hydroxypropyl-beta-cyclodextrin saturated solution for even mixing, wherein the weight ratio of the superoxide dismutase to the hydroxypropyl-beta-cyclodextrin is 1:(0.2-1), then the lactose or mycose is added as a protective agent, even mixing and freeze-drying are carried out, and finally the superoxide dismutase microcapsule powder is obtained. The SOD activity and stability of the superoxide dismutase microcapsule powder are obviously improved, and therefore the bioavailability of the superoxide dismutase microcapsule powder is increased.

The invention discloses a preparation method of a degradable plastic filling material taking waste bank note paper as a substrate. The preparation method is characterized by comprising the following processes: preparation of a hardening liquid, surface treatment, paper hardening, pulverizing and sieving, and packaging. The hardening liquid is prepared by reacting a formaldehyde aqueous solution with a concentration of 37% with an ammonia raw material; the surface treatment of the waste bank note paper is completed by soaking with a surface treating fluid with a concentration of 0.01%-0.1% and by washing with water twice; the paper hardening is realized by kneading treatment and thermal hardening of the hardening liquid; and finally, the powdery degradable plastic filling material is obtained through sieving and packaging. According to the invention, the waste bank note paper after surface treatment is directly used for subsequent hardening and reinforcing of a resin and for crushing treatment, develops the advantage of lipotropy of the bank note paper after hydrophobic treatment, and benefits combination with the resin. Miscibility during plastic processing is improved; treatment cost of the waste bank note paper is reduced; cost balance of waste bank note paper is conveniently realized; and the economic benefit is improved.

The invention discloses an in-situ real-time monitoring device and method for hydrate-induced seabed instability, and belongs to the field of marine geological detection. The device comprises a test feeler lever, wherein a plurality of electrode rings and a plurality of pore pressure sensors are arranged on the test feeler lever; the bottom of the test feeler lever is a conical head; a counterweight, an underwater acoustic communication machine I, an acquisition control bin, a power supply bin and a lifting ring are fixedly arranged at the upper part of the test feeler lever; a resistivity acquisition unit, a pore pressure acquisition unit and a lower computer control unit are arranged in the acquisition control bin; the resistivity acquisition unit is respectively in communication connection with each electrode ring and the lower computer control unit; and the pore pressure acquisition unit is respectively in communication connection with each pore pressure sensor and the lower computer control unit. The change of the excess pore water pressure obtained through resistivity calculation and the change of the excess pore water pressure measured by the pore pressure sensor are maximized, the possibility of seabed instability is judged according to the maximum value, and then seabed geological disasters are monitored and early warned.

The portable enclosure with an elastically sealed opening includes a base and a frame mounted thereon. The frame is formed from a pair of tensioned frame rods having central portions crossing one another. A fabric covering is secured to the frame to define a hollow enclosure. At least one substantially vertically extending opening is formed through the fabric covering. A lower end of the opening is positioned adjacent the base. Fabric sleeves are secured on opposite sides of the opening. An elastic loop extends through the sleeves around the opening. A tensioned rod is mounted on an upper end of the frame, one end thereof being positioned adjacent an upper end of the opening and supporting an upper end of the elastic loop. This support of the elastic loop creates elastic tension therein, which elastically seals the opening.

The invention provides road prime coat oil which comprises components in percentage by mass as follows: 50%-58% of mildoxidation slurry oil, 0.5%-2.5% of an emulsifier and the balance of water. The invention further discloses a preparation method of the road prime coat oil. The road prime coat oil can meet the technical requirements for emulsified asphalt prime coat oil for routine roads while the production cost can be lower than the emulsified asphalt prime coat oil by 20%.

The invention discloses a geological detection sampling device and a sampling method thereof. The geological detection sampling device comprises a casing, a sampling component and a moving component,wherein the casing comprises a sampling carrier and a plurality of sets of anti-slips components arranged on both sides of the sampling carrier; the sampling component comprises a sampling gripper fixedly mounted on the sampling carrier, a sampling adsorption component mounted in the sampling carrier, and a storage box mounted on the sampling carrier; the moving component comprises a driving mechanism connected to the plurality of sets of anti-slips components and installed in the sampling carrier, and the driving mechanism comprises a first driving component and a second driving component. Inthe invention, the sampling adsorption component is installed in the sampling carrier to carry out adsorption sampling of small granular objects such as mud and stones. Since the volume of the mud and stones is small, it is easier for the detection environment to penetrate the mud and stones. Therefore, the detection results are more accurate when using mud and stone for detection.

The invention discloses a dual-layer eyelet lace and a weaving technology thereof. The dual-layer eyelet lace is of a dual-layer structure. The dual-layer eyelet lace is formed by weaving surface weft, inner weft, surface warp and inner warp. The dual-layer eyelet lace comprises a body woven belt and shoe meshes which are connected integrally, the surface warp and the inner warp are interwoven toform the body woven belt, and the surface warp and the inner warp are staggered to form the shoe meshes. Due to the eyelet lace formed by dual-layer textures, the body woven belt and the shoe meshes form a whole, and connection is natural and firm; weft adopted by the woven eyelets is finer than the weft adopted by the woven body woven belt, the weft density is smaller, the eyelet portion is softer, and the shoelace is more easily threaded; when the shoe lace is tired to the shoe eyelet lace eyelet, and the eyelet is subjected to external tension, the eyelet has the advantages of not deformingand not moving, and the performance of the whole shoe eyelet lace is improved.

The invention relates to an anti-fuse circuit, a programming method thereof and an anti-fuse structure. The anti-fuse structure comprises: a semiconductor substrate and a PMOS transistor positioned on the semiconductor substrate, the grid of the PMOS transistor is positioned on the semiconductor substrate, the grid has a first portion and a second portion positioned at two ends of the first portion, the width of the second portion is less than the width of the first portion, the source region and the drain region of the PMOS transistor are positioned in the semiconductor substrate at two sides of the first portion and the second portion of the grid, and the source region and the drain region of the PMOS transistor break through under the action of a hot carrier break-through effect when the anti-fuse is programmed. The anti-fuse structure has a high stability after programming.

The invention discloses a preparation method of tea polyphenol-containing acne removing and repairing essence, and belongs to the technical field of essence preparation. The preparation method comprises the following steps: preparing a tea polyphenol extract, preparing a water-phase solution, emulsifying, cooling and the like. Tea polyphenol is a water-soluble substance, has the effects of removing facial grease, astringing pores, removing acnes, diminishing inflammation and sterilizing and is capable of blocking ultraviolet rays and removing free radicals induced by the ultraviolet rays, so that normal functions of melanocytes are protected, formation of melanin is inhibited, meanwhile, generation of lipid oxidation is inhibited, and chromatosis is relieved; liquorice root has the effectsof clearing heat, detoxifying, resisting bacteria and diminishing inflammation, is particularly suitable for skin which has acnes and is often inflamed and has the effects of pacifying and calming, removing facial acnes and effectively preventing acnes and pimples from appearing; chamomile has the effects of disinfecting, resisting the bacteria, relieving sensitive skin and durably protecting theskin from being interfered by whelks and pimples.

The invention discloses a door sealing structure used in shield starting and receiving construction and a construction method of the structure. An underground continuous wall consists of a steel reinforcement cage which is embedded in concrete as a framework; a bottom steel plate is transversely welded to the bottom of a shield circular through area corresponding to the steel reinforcing cage; twoside steel plates with the same size as the bottom steel plate are vertically welded on the left and right sides of the bottom steel plate respectively to form a square upper opening steel moulding plate; a vertical steel bar corresponding to the steel reinforcement cage is welded with the upper and lower surfaces of the bottom steel plate; a plurality of the steel bars are transversely welded between the two side steel plates; the length of the bottom steel plate is the tunnel diameter plus 1 meter, the thickness is 2 centimeters to 5 centimeters, and the width is equal to the thickness of the underground continuous wall; and sulfur concrete is poured in the upper opening steel moulding plate, and ordinary concrete is poured on the underground continuous wall except the upper opening steel moulding plate. The structure solves the problems that a knife head is wounded by the traditional shield method, the knife head and the steel bar confront the tough with toughness, and the surrounding concrete is pulled, and has the advantages of reducing the knife head loss of the shield machine and improving the shield efficiency.

The invention provides a preparation method of an externally-smeared traditional Chinese medicine ointment for treating pathological obesity. The externally-smeared traditional Chinese medicine ointment is prepared from radix astragali, radix angelica sinensis, radix rehmanniae preparata, fructus corni, cortex moutan, rhizoma dioscoreae, poria cocos, cortex cinnamomi, rhizoma atractylodis macrocephalae, fructus cannabis, rhizoma alismatis, rhizoma atractylodis and radix et rhizoma rhei, all of which serve as 1 dose of medicine. The preparation method of the traditional Chinese medicine ointment includes the steps that all-grass of abelmoschus manihot is smashed, 60 DEG C warm water is added in the proportion of 1:5 for extraction, filtering is carried out to remove dregs, juice is taken out, 1 dose of medicine is added into 1 kg of abelmoschus manihot juice by mass, stirring and homogenizing are carried out, and the medicine ointment is formed. According to the method, weight-losing traditional Chinese medicine powder and abelmoschus manihot mucilage are mixed to be prepared into the ointment. The ointment is used for treating pathological obesity and well fits with the skin, medicinal ingredients can permeate conveniently, and the treatment effect can be improved; besides, due to the participation of the pharmacologic action of abelmoschus manihot, the ointment is good in treatment effect and capable of taking effect fast; moreover, the ointment can improve the immunity of the human body and lower blood lipid. The preparation method is suitable for being applied to ointments for treating pathological obesity.

The invention discloses an adhesive composition. The adhesive composition comprises polyisocyanate and a polyurethane urea dispersoid, wherein on the basis of the solid mass of the adhesive composition, the polyisocyanate accounts for 95-99.5%, and preparation raw materials of the polyurethane urea dispersoid comprises (a) at least one polyurea polyol with the number-average molecular weight Mn greater than or equal to 500 g/mol but smaller than or equal to 3000 g/mol and the hydroxyl functionality greater than or equal to 1.5 but smaller than or equal to 4, and one or more hydrophilic compounds containing ionic groups, potentially ionic groups and non-ionic groups; (b) at least one polyester polyol; (c) at least one isocyanate; (d) hydrophilic compounds containing one or more of ionic groups and potentially ionic groups and contains 2-3 NCO reactive functional groups; and (e) an optional blocking agent for isocyanate groups.

The invention discloses a perm agent composition taking pure cysteamine as a reducing agent. The perm agent composition with a pH (potential of hydrogen) value ranging from 8.5 to 10 is prepared from, by weight, 0.1-100% of the pure cysteamine, 1.0-5% of surfactants, 0.05-1% of hair protective agents, 0.1-3% of stabilizers, 3-15% of moisturizing agents, 0.1-3% of metal complexing agents and a proper quantity of purified water. The perm agent composition taking the pure cysteamine as the reducing agent has the advantages that by the aid of the pure cysteamine, the pH value can reach 8.5-10 without addition of any alkaline substance, so that epidermal layers of hair are expanded and softened; the pure cysteamine (HS-CH2-CH2-NH2) with salt removed is smaller in molecular weight, permeation and absorption are easier, and accordingly perming time is shortened; owing to no addition of any alkaline substance, byproducts are reduced greatly, hair damage degree is decreased, and residual unpleasant smell after perming is reduced to a great extent.

The invention discloses pore shrinking essence and a preparation method thereof, and belongs to the technical field of essence. The pore shrinking essence is prepared from the following raw materialsin parts by weight: 2 to 4 parts of tea polyphenol extract, 2 to 4 parts of propolis extract, 1 to 3 parts of glycylglycine, 0.5 to 1 part of protease, 0.5 to 1 part of aminopeptidase, 1 to 2 parts ofchamomile extract, 1 to 2 parts of liquorice root extract, 1 to 3 parts of yeast polypeptide, 2 to 4 parts of fucus serratus extract, 1 to 3 parts of oliopeptide-20, 0.5 to 1 part of carbomer, 0.6 to2 parts of aminomethyl propanol, 3 to 6 parts of propanediol, 3 to 6 parts of 1,3-butanediol, 0.5 to 1 part of PEG (Polyethylene Glycol)-40 hydrogenated castor oil, 0.5 to 1 part of blumea balsamifera oil, 0.5 to 1 part of caprylin, 0.1 to 0.2 part of methyl hydroxybenzoate, 0.1 to 0.2 part of allantoin, 0.02 to 0.1 part of EDTA (Ethylene Diamine Tetraacetic Acid) disodium, 0.03 to 0.1 part of sodium hyaluronate and 70 to 100 parts of deionized water. Glycylglycine contains a component capable of inhibiting the adverse effect of unsaturated fatty acid, and is not only capable of shrinking anoutward spreading structure of pores, but also capable of improving the skin state surrounding the pores; the tea polyphenol is a water-soluble substance, and has the effects of cleaning the grease onthe face, astringing the pores, removing acne, diminishing inflammation and sterilizing.

The invention relates to a gloss enhancer for household article leather. The gloss enhancer for household article leather is prepared from orthosilicate, sodium nitrate, acetone, sodium dodecyl benzene sulfonate, sodium nitrate, nitrocellulose, sodium acetate, silicone oil, sodium phosphate and water. Compared with the prior art, the gloss enhancer for household article leather has the advantages that the gloss enhancer is oil-color water emulsion and can permeate the surface of leather easily and remove oil dirt effectively; meanwhile, after a solvent evaporates, the gloss enhancer is transformed into water-color oil emulsion and can remove water dirt.

The invention relates to a portable pressing type air pump. The air pump comprises an air pump main body, a one-way air inlet valve, an air release assembly, an air pipe and a connecting piece, wherein the air pump main body comprises an air pump upper cover, an air pump lower cover, a supporting hard sheet and a check plug, and the air release assembly comprises a compression spring and an air release button; an air inlet and outlet hole in one end of the air pump lower cover is connected with the air pipe, the other end of the air pipe is connected with the connecting piece, the other end ofthe connecting piece is connected with a to-be-inflated product, and the check plug is installed in a central fixing hole of the supporting hard sheet; and the periphery of a pressing air bag of theair pump upper cover and the edge of the supporting hard sheet are welded and sealed, and the periphery of the air pump upper cover and the periphery of the air pump lower cover are welded and sealed.The air pump is small in size and easy to carry, a TPU material is environmentally friendly and good in resilience, the air pump is integrally fused and is firm in welding, the air inflow, inflationand non-return functions are achieved in the air pump, space is saved, the appearance is attractive, and the air pump is good in air tightness and worthy of popularization.

The invention provides a production process of a wood-plastic plate capable of being directly nailed and relates to the technical field of production of plastic-wood materials. The production process mainly comprises a production process of mixing materials, granulating and extruding; in a granulating process, raw material components and component amount are as follows: 40 percent to 60 percent of bamboo powder or wood powder, 15 percent to 30 percent of PE (Polyethylene), 4 percent to 10 percent of talcum powder, 10 percent to 15 percent of toner, 2 percent to 5 percent of a coupling agent and the balance of maleic anhydride for grafting; the sum of all the components is 100 percent. The production process of the wood-plastic plate capable of being directly nailed has the beneficial effects that the density of the product is low; the density of an original product is 1.35g/cm<3> and the density of the product prepared by the production process is reduced to 1.15g/m<3>, so that nails can conveniently penetrate through the wood-plastic plate.

The invention relates to a nozzle arrangement (1) for an edge strip applying device for supplying hot air to an edge strip (2) or workpiece which is adhesive-free and can be activated by heat or which is coated with a hot-melt adhesive, comprising a nozzle body (3) with - at least one air inlet channel (20, 21) which can be connected to a hot air generator such that pressurized hot air can be fed to the nozzle body (3) during the operation of the edge strip applying device, - at least two groups (4a, 4b, 4c) of air outlet openings (40), wherein the air outlet openings (40) are formed on an air outlet surface (30) of the nozzle body (3) at a distance from one another in the vertical direction, said outlet surface facing the edge strip (2), and are fluidically connected to the at least one air inlet channel (20, 21) such that the at least two groups (4a, 4b, 4c) of air outlet openings (40) are spaced from one another in the advancing direction of the edge strip (2) and the hot air fed to the nozzle body (3) can be discharged out of the air outlet openings (40) and supplied to an edge strip (2) functional layer which can be activated by heat, and - a number of closing organs (6, 6') which are designed such that at least some of the air outlet openings (40) can be optionally opened or closed dependent on the width of the fed edge strip (2), said number corresponding to the number of groups (4a, 4b, 4c) of air outlet openings (40).

The invention belongs to the technical field of medical health and biomedical materials, and particularly relates to a polyphenol modified lipidosome nano system. The polyphenol modified lipidosome nano system comprises lipidosome, polyphenol, an oxidizing agent, a buffer solution serving as a reaction solvent and a hydrothermal reaction kettle with a polytetrafluoroethylene lining. The preparation method comprises the following steps of preparing lipidosome by adopting a film drying method, and preparing the polyphenol modified lipidosome nano system by adopting a one-pot hydrothermal method; and the lipidosome is more easily permeated into the cuticle of the skin and can be well distributed, degradation and deterioration of many active substances can be prevented due to the wrapping effect of lipidosome, and polyphenol has rich and complex physical and chemical properties and has wide chemical purposes including ultraviolet absorption, free radical removal and metal ion complexation. The system is also commonly used for promoting delivery of protein, nucleic acid and conventional drug molecules, so that the system can be used as a universal platform for delivering protein, nucleic acid, conventional drug molecules and the like; and the preparation method is simple and convenient, short in reaction time, low in cost, environment-friendly and safe.

The invention relates to a cufflink including a head portion (2) with a bearing surface (12) for bearing against a garment, a pin portion (3) to be inserted through a hole or a slot of the garment, and a clasp portion (4) with at least one pivotable tab (14) for locking the cufflink onto the garment. The cufflink includes an actuator (6) with a shaft (38) slidably mounted in a housing (5) and including a push button (52) at one end and an actuation arm (44) at the other end which is inserted into an actuation portion (21) of the tab (14) so as to pivot the tab from an unlocked position into a locked position when the push button (52) is pressed. The cufflink further includes a locking-unlocking mechanism (7) with push buttons arranged on either side of the shaft (38) of the actuator (6), wherein the push buttons can be accessed from the opposite sides of the side wall (30). The unlocking is automatic and results from the natural grasp of the cufflink by the user. Advantageously, the cufflink of the invention can be very easily inserted and removed, in particular using one hand.

The invention discloses a preparation method of instant liquid-smoked abalone. The preparation method comprises the following steps: abalone is subjected to pretreatment, liquid smoking treatment, cold air drying treatment and sterilization. The instant liquid-smoked abalone prepared with the method not only has the characteristics of being good in appearance and luster, smoky-colored, strong in smoking aroma, highly elastic in meat and the like, but also can be stored at room temperature; the content of benzo[alpha]pyrene, methyl mercury, inorganic arsenic, lead and cadmium in the instant liquid-smoked abalone prepared with the method is lower than that specified in the national standards, and the process is simple, convenient to operate, hygienic and safe.

The invention relates to the modification treatment field of a wood floor timber, and relates to a nano zinc borate acid treatment agent for the wood floor timber. The modification treatment agent comprises the following raw materials by weight: 10-12 parts of lactic acid, 0.01-0.02 part of nano zinc borate, 6-8 parts of white granulated sugar, 4-5 parts of calcium metaborate, 10-12 parts of sodium sulfate, 1-2 parts of hibiscus skin, 0.5-1 part of wild chrysanthemum flower, 4-5 parts of ethanol, 15-18 parts of citric acid, 4-5 parts of sodium dodecyl sulfate, 380-400 parts of water and 6-8 parts of an additive; the modification treatment agent is free of volatile and toxic substances and has no harm to human body and environment, the ethanol is used for soaking the hibiscus skin and the wild chrysanthemum flower for simple and efficient extraction of bioactive ingredients, and the bioactive ingredients, and the nano zinc borate, the white granulated sugar, the calcium metaborate, the citric acid and other raw materials are prepared into the weak acid treatment agent, the modified timber is good in dimensional stability, moistureproof, flame retardant, insect repellent and sterilizing, clear in wood texture, and bright in color, and the floor prepared from the wood floor timber is higher in strength, more durable, higher in security and strong in market competitiveness.

The invention relates to a sponge-type double-layer tube drainage system. The sponge-type double-layer tube drainage system comprises a drainage pipeline, a water permeation pipeline and multiple vertical tubes. The drainage pipeline and the water permeation pipeline are arranged under the ground in the horizontal direction, the water permeation pipeline is located under the drainage pipeline, thegap between the drainage pipeline and the water permeation pipeline and the bottom of the water permeation pipeline are bedded with gravel beds, the vertical tubes are vertically arranged under the ground at specific intervals, the drainage pipeline is composed of multiple segments of drainage pipes, the water permeation pipeline is composed of multiple segments of water permeation pipes, the corresponding drainage pipe and the corresponding water permeation pipe communicated with every two vertical tubes are arranged between the two adjacent vertical tubes, multiple water permeation holes are formed in the peripheral walls of the water permeation pipes, the water permeation pipes are communicated with the drainage pipes through multiple connecting tubes, seal end covers are installed atthe two ends of each water permeation pipe, and therefore rainwater can be intercepted to the maximum degree and be prevented from impacting the gravel beds to the maximum degree.

The invention discloses a dairy cow hoof-care paste without chemical substances and a preparation method thereof. The hoof-care paste utilizes Chinese herbal medicine extracting solutions capable of effectively killing and inhibiting milk cow hoof disease infectious pathogenic bacteria and promoting hoof wound healing, effectively preventing and treating multiple types of hoof diseases, improving the self immunity and disease resistance of milk cow, and an aloe extract capable of promoting medicated permeation, effectively repairing cuticle and achieving high viscosity as main raw materials, the plant extract and plant oil, which are capable of changing a milk cow hoof cuticle structure, and promoting effective ingredients such as Chinese medicinal herbs and aloe to rapidly permeate into deep layer of skin, are scientifically compounded, a natural antioxidant capable of preventing effective ingredients of components from being oxidized, and improving the physicochemical stability of the hoof-care paste is added, keratinase and cutinase capable of promoting binding and permeation of the hoof-care paste are added, vacuum concentration is performed on all the ingredients to obtain paste, so that the hoof-care paste which is capable of comprehensively treating various hoof diseases of milk cow and is firm in binding, high in permeability and free from any antibiotics and chemical toxic substances is finally prepared.