93results about How to "Short penetration time" patented technology

The invention relates to a method for quickly producing metal mould with laser sintering, which comprises: first, using at least two kinds of different metal powders with different diameters, to be mixed with different mass percentages; using physical or chemical modification to treat the surface of metal powder; then mixing the modified metal powders, the adhesive formed by organic resin and inorganic with different fusion points, and the lubricant uniformly to obtain the metal molding powder; then designing the three-dimension CAD mode of mould, to slice the mode, and laser sintering the metal molding powder; the laser sintered element is baked at 300-800Deg. C; using vacuum pressure penetration to penetrate the metal, to obtain the high-accuracy metal mould.

The invention belongs to a resin matrix composite material liquid molding technology, and relates to a method for molding a resin matrix composite material by zero-adhesive-discharge vacuum assisted resin infusion (VARI). A glue inlet diversion net (20) and a resin drawing layer (30) are arranged on a fiber-reinforced premolded body (3); the outer surface of the fiber-reinforced premolded body (3) is covered with a micro-ventilation layer (4) and a glue blocking layer (5). According to the method, a resin glue discharge channel is omitted, so that zero adhesive discharge of the VARI molding technology is realized, and the using amount of resin is accurately controlled; the micro-ventilation layer (4) and the glue blocking layer (5) are additionally arranged, so that pressure is evenly transmitted into the fiber-reinforced premolded body (3); furthermore, the excessive gas in the resin and the fiber-reinforced premolded body (3) can be fully discharged, so that the porosity of parts can be reduced, the molding quality and the thickness uniformity of the parts can be improved, and the production cost is remarkably lowered.

The invention discloses a method and apparatus for producing a foamed product based on 3D printing. The apparatus mainly comprises a molding unit, a supercritical infiltration unit and a foaming unit, wherein the molding unit is a 3D printer and mainly comprises a three-dimensional ball screw sliding table, a molding platform, a 3D printer case, a plasticizing screw, a heating ring and a nozzle; the supercritical infiltration unit is mainly composed of a preheater, a booster pump, a CO2 storage tank and an infiltration vessel; and the foaming unit is mainly composed of a steam generator, a foaming case and a cover plate. The method comprises the following steps: printing a three-dimensional model via the molding unit according to product needs; then putting the three-dimensional model into the infiltration vessel in the supercritical infiltration unit and carrying out infiltration by using supercritical CO2; and carrying out steam foaming in the foaming case so as to obtain the foamed product. According to the method and apparatus provided by the invention, production stages are simplified to three production stages, so production cost and process complexity are reduced, and simplified production of foamed products with any complex structures can be realized.

The invention belongs to a resin based composite material liquid forming technique, and relates to a composite material liquid pressure forming method. The periphery of a predetermined mold body is filled with resin, and the predetermined mold body is continuously pressurized and cured successively by resin via a first pressure source and a second pressure source. According to the invention, the predetermined mold body is pressurized and cured continuously by resin; a molded composite material product not only has high fiber volume content equivalent to a composite material molded by a prepreg / autoclave technique, but also has the high precision equal to the composite material molded by an RTM technique; the applicable range of the composite material molded by a liquid forming technique is expanded; the molding efficiency is improved obviously; the manufacturing cost is reduced.

The invention discloses a hydrophilic antistatic polypropylene composition and a preparation method and application thereof. The composition is prepared from the following components in parts by weight: 30-75 parts of polypropylene, 0.5-15 parts of compatilizer, 2-25 parts of hydrophilic accelerant and 5-70 parts of hydrophilic agent, wherein the hydrophilic agent comprises a non-ionic surface active agent and an anionic surface active agent. The composition also includes optionally a dispersant, a lubricant, and an antioxidant. The obtained hydrophilic antistatic material can be used as a master batch to be directly added into polypropylene resin for melt spinning, the obtained polypropylene non-woven fabric is good in hydrophilic performance, capable of absorbing multiple times of wateramount of the non-woven fabric and short in penetration time, and good hydrophilicity can still be kept after multiple times of scouring, and the material has scouring resistance and durable hydrophilic effects. The product prepared by the method also has an excellent antistatic effect and is simple in preparation process and low in cost and is beneficial to large-scale commercial production.

The invention relates to a fresh pseudosciaena crocea ice temperature fresh keeping method. According to the fresh pseudosciaena crocea ice temperature fresh keeping method provided by the invention, the water electrolysis sterilization technology is utilized for being combined with the ice point temperature regulating technology, the freshness, the flavor and the texture of the fresh pseudosciaena crocea are remained to the maximum degree while the ice point of the fresh pseudosciaena crocea is reduced, meanwhile, the work procedure time is short, in addition, the whole process of the work procedure conforms to the cold chain requirements, and the method has the industrialized large-scale production conditions.

The invention discloses a production method and production equipment of a fireproof polystyrene board. The production method comprises the following steps: pouring or spraying a liquid fire retardant on the upper surface of a polystyrene board, vacuumizing the polystyrene board on the lower surface of the polystyrene board to ensure that the liquid fire retardant flows through pores inside the whole polystyrene board from top to inside under the actions of gravity and a pressure difference so as to wrap the surfaces of polystyrene beads; and then drying to ensure that the fire retardant is cured. The production equipment comprises a conveyor line for conveying the polystyrene board, and a fire retardant container, wherein a fire retardant spreader is arranged above a permeating section of the conveyor line, the fire retardant spreader is communicated with the fire retardant container through a pipeline as well as a control valve and / or pump. The production equipment further comprises a vacuum pump, wherein the vacuum pump is connected with a gas phase outlet of a gas-liquid separator, an inlet of the gas-liquid separator is communicated with a gas collector by virtue of a pipeline, a gas inlet of the gas collector is formed in a position of a conveying surface of the permeating section of the conveyor line and faces upwards; on a curing section of the conveyor line, the conveyor line penetrates through a curing furnace. According to the invention, the production efficiency is high and the product quality is good; the fireproof performance can reach an A2 level.

The invention belongs to the technical field of willow artwork, and particularly discloses a treatment method capable of improving the flexibility of osier. The treatment method specifically comprises the following steps: (1) ethanol solution soaking, constant-temperature fermentation and variable-temperature freezing treatment; and (2) microwave drying, vacuum soaking and variable-temperature drying treatment. According to the treatment method disclosed by the invention, pretreatment is carried out at first, and ethanol molecules are enabled to permeate into cellulose as protective mediums, so that the aggregation capacity among cellulose molecules is effectively improved, and the strength of the osier is effectively increased; and then the microwave drying and the vacuum soaking for a treatment liquid are carried out, the permeation time of the treatment liquid is effectively shortened, and the permeation efficiency is increased, so that the treatment liquid is capable of permeating into osier bark to soften and enable the bark to be closely bonded with an inner wood layer, bark peeling is avoided, high flexibility is achieved, the occurrence of a cracking phenomenon in a weaving process is effectively prevented, the weaving difficulty of the osier is lowered, the high-temperature-resistant and sun-screening capacity of the osier is improved, and the service life of the osier is effectively prolonged.

The invention relates to a spray adhesive and a preparation method thereof. The spray adhesive comprises the following components in parts by weight: 10-20 parts of synthetic rubber, 30-65 parts of tackifying resin, 0.1-0.5 parts of a bridging agent, 20-55 parts of organic solvent, and 0.1-5 parts of an anti-permeation agent. The spray adhesive has the following beneficial effects that the solvent system is environment-friendly, low in smell and fast to dry after the adhesive is spayed; the construction application performance is good; the comprehensive performances is good, such as bonding strength, open time and the like are excellent.

The invention belongs to the technical field of control for coal flow flying dust and particularly relates to a coal flow dust suppressant as well as a preparation method and an application thereof. The coal flow dust suppressant comprises components in parts by weight as follows: starch-grafted acrylic polymer, a surfactant and water. The coal flow dust suppressant has good coagulation property,wettability and permeability, dust particles are wetted rapidly and coagulated together, grain size and weight of the dust particles are increased, meanwhile, the coal flow dust suppressant can rapidly permeate into the coal flow, and the dust suppression effect is realized. According to the coal flow dust suppressant, the technical defect of low dust suppression speed of a traditional dust suppressant can be effectively overcome.

The invention provides a sandwich structure paper diaper flow guiding layer material and a preparation method thereof. The sandwich structure paper diaper flow guiding layer material is characterizedby comprising three layers of sheets, the three layers of sheets are all non-woven fabrics manufactured by adopting chemical fiber through the hot-blast air penetration bonding non-woven technology, and the three layers of sheets are stacked and bonded from top to bottom to form the sandwich structure; the upper-layer sheet is a longitudinal orienteering fiber net; the middle-layer sheet is a longitudinal orienteering fiber net, and the cross section is in a wavy shape or a sawtooth shape; the lower-layer sheet is a disordered fiber net, and small holes are evenly distributed in the fiber net;the chemical fiber is ES fiber. The prepared flow guiding layer material can shorten the liquid penetration time, increase the liquid diffusion length and increase the liquid storage amount.

The invention discloses a dyeing liquid for preparing a zirconia false tooth ceramic blank in a gradient color. The dyeing liquid includes a solvent, a colorant, a surfactant, a permeation fortifier,an inorganic additive and an antibacterial agent, wherein the mass ratio of the solvent to the colorant to the permeation fortifier to the inorganic additive is (5-10):(2-3):1:(0.5-1), and the permeation fortifier is a mixture of an alcohol ether ester solvent, propylene glycol carbonate, acyl alaninate and hydrophobin. The coloring permeation depth of the dyeing liquid on the zirconia false toothceramic blank is greater than 5mm, the permeation time is short, and permeation on the surface of a ceramic or in the vertical direction of the ceramic is uniform; by adding the natural antibacterialagent into the dyeing liquid, the probability of inflammation of false tooth gingiva can be reduced; by adding inorganic ions into the dyeing liquid, the optical effect of the false tooth ceramic blank is obviously improved, and the transparency of the false tooth ceramic blank is enhanced.

The invention provides an NAT (network address translator) traversal method based on an intelligent home control system. The NAT traversal method comprises the following steps: step 1, a client is directly connected with a server; step 2, the client requires for assistance of a third-party server; step 3, the server sends a packet to a port, connected with the third-party server, of the client; step 4, the third-party server informs the client; step 5, after the server receives the packet of the client, if the client receives response of the third-party server, the third-party server replies IP and the port number of the server to the client, the client can record the port receiving the reply and uses the port for communication with the server; if the client does not receive response of the third-party server, information loss is determined, the client sends an assistance request to the third-party server again, and steps are repeated from step 2. The traversal success rate is high, and a traversal process is simple.

The invention discloses a dairy cow hoof care liquid, which uses Chinese herbal extracts and aloe extracts as main raw materials, wherein the Chinese herbal extracts effectively kills and restrain dairy cow hoof disease infectious pathogens and promotes hoof wounds to heel, can effectively prevent and treat various hoof diseases and improves dairy cow auto immunity and premonition, the aloe extracts promote drugs to penetrate, effectively repair stratum corneum and are strong in cohesiveness, the dairy cow hoof care liquid is added with plant extracts which can change dairy cow hoof cuticle structures and promote effectively components such as Chinese herbal medicine and aloe to rapidly penetrate skin deeps and adsorb, organically combines ultrasonic dispersion, dissolution, high pressure homogenization and cold-hot processing technology, scientifically compounds modified dietary fibers which are efficiently bonded, and is added with tannin, water soluble chitosan, carrageenan and natural antioxidant and the like which can protect effective components from being oxidized and improve physical and chemical stability of hoof care liquid,, thereby preparing the hoof care liquid which is strong in stability, firm in bonding, strong in permeability, safety and high efficiency without any antibiotics and chemical toxic substances at last.

The invention belongs to the technical field of coal flow flying dust control and in particular relates to an automatic coal flow dust control spraying method and an automatic coal flow dust control spraying system. The invention discloses the automatic coal flow dust control spraying method which comprises the following steps: S101, mixing starch grafted acrylic polymer, a surfactant and water soas to obtain a coal flow dust control agent; S102, testing the total dust concentration of a coal flow, and further calculating spraying information of the coal flow dust control agent according to the total dust concentration of the coal flow; S103, spraying the coal flow dust control agent according to the spraying information. The invention further provides an automatic coal flow dust controlspraying system. By adopting the automatic coal flow dust control spraying method and the automatic coal flow dust control spraying system provided by the invention, the technical defects that in theprior art a conventional coal flow dust control method is poor in dust control effect, short in effect lasting time and great in time and labor are solved.

The invention discloses a milk cow hoof-care ointment and a preparation method thereof, and belongs to the technical field of milk cow breeding. The hoof-care ointment takes a Chinese herbal medicine extract liquid and an aloe extract as main raw materials, wherein the Chinese herbal medicine extract liquid is capable of effectively killing and inhibiting infectious pathogenic bacteria of milk cow hoof diseases, promoting healing of hoof wounds, effectively preventing and treating a variety of hoof diseases and improving the milk cow autoimmunity and disease resistibility, and the aloe extract is capable of promoting drug permeation and effectively repairing cuticle and has strong adhesion property; a plant extract and plant oil capable of changing a milk cow hoof cuticle structure and promoting Chinese herbal medicines, aloe and other effective ingredients to be rapidly permeated to a skin deep layer for absorption are scientifically compounded; moreover, a natural antioxidant capable of protecting effective ingredients from oxidation and improving the physical and chemical stability of the hoof-care ointment is added; at the same time, keratinase and cutinase capable of promoting adhesion and permeation of the hoof-care ointment are added; the raw materials are subjected to decompression concentration into a paste, and finally the hoof-care ointment which can comprehensively treat various types of milk cow hoof diseases and has the advantages of firm adhesion, strong permeability and no any antibiotics and chemical toxic substances is prepared.

The invention discloses a kettle-pressure extrusion integrated micro-foaming extrusion forming device and a kettle-pressure extrusion integrated micro-foaming extrusion forming method. The kettle-pressure extrusion integrated micro-foaming extrusion forming device mainly consists of a material feeding system, a gas feeding system and an extrusion system; the material feeding system is connected with a material feeding device of a machine barrel of the extrusion system; the gas feeding system provides the material feeding system with supercritical gas; and the material feeding system mainly consists of a storage hopper, a motor, a motor driving shaft, a gear, a key, a transmission piece, a pressure piece, a sealing barrel, a permeating kettle, a sealing gasket, a spring, a roller, a gas cylinder, a gas cylinder pull rod, a sealing plate, a limiting block and a pressure rod. A granular raw material is permeated, so that the penetrating time is shortened substantially, continuous extrusion of micro-foaming products is achieved, and the production efficiency is improved; the granular raw material is subjected to supercritical gas permeating through the permeating kettle, so that technological parameters are controlled accurately, the foaming quality is higher, and the property of the product is better; and the gas after being permeated can be recycled in a working process, so thata use ratio of the gas is increased compared with that in the traditional kettle-pressure foaming method.

The present invention discloses a preparation method of low-sugar and sulfur-free preserved Tibetan amygdalus mira. The preparation method mainly comprises the following steps: after Tibetan amygdalusmira is blanched by steam, a pulsating vacuum infiltration technology is used, regular alternating cycle of vacuum and normal pressure is maintained, and a pulsating vacuum infiltration treatment isconducted, then room temperature ordinary osmotic dehydration is conducted, washing is conducted, after drying is conducted, a medium and short-wave infrared technology is used to conduct a sterilization treatment, and finally, the low-sugar and sulfur-free preserved Tibetan amygdalus mira is prepared. In the preparation method, maltitol is added in penetrating fluid to increase sweetness of the preserved fruits, but also does not increase soluble sugar content in the preserved fruits; a segmental type permeation dehydration technology is used to greatly shorten preparation time of the preserved fruits, increases productivity and reduces energy consumption; and the medium and short-wave infrared sterilization can enable the product to achieve a commercial aseptic effect in only 3 min.

The invention discloses a cow hoof care solution capable of preventing various hoof diseases.A Chinese herbal medicine extract solution and aloe extract are used as main raw materials, wherein the Chinese herbal medicine extract solution can effectively kill and restrain caw hoof disease infectious pathogenic bacteria, promote hoof wound healing, effectively prevent and treat various hoof diseases, and improve autoimmunity and disease resistance of cows, and the aloe extract has the functions of promoting medicine permeation and effectively repairing cuticle and has high viscosity; plant extract is added, wherein the plant extract can change the hoof cuticle structures of the cows, and promote rapid permeation of effective components such as Chinese herbal medicine and aloe, ultrasonic dispersion, dissolution, high-pressure homogenization and the cold and hot treatment technology are combined, modified and efficiently bonded dietary fiber is scientifically compounded, and tannin, water soluble chitosan, carrageenan and a natural antioxidant are added, wherein tannin, water soluble chitosan, carrageenan and the natural antioxidant can protect the effective components from being oxidized and improve physicochemical stability of the hoof care solution.Finally, the hoof care solution which is high in stability, firm in bonding, high in permeability, safe, efficient, and free of antibiotics or chemical toxic substances is prepared.

The invention discloses a dairy cow hoof care cream firm in bonding and a preparation method thereof. The dairy cow hoof care cream uses a Chinese herbal medicine preparation effectively killing and inhibiting infectious pathogenic bacteria of dairy cow hoofs, promoting hoof wound heating, effectively preventing and treating multiple hoof diseases and improving the immunity and disease resistance of dairy cows themselves and an aloe extract promoting drug permeation, effectively repairing stratum corneum and strengthening the bonding properties as main raw materials, and a plant extract and plant oil capable of changing the stratum corneum structures of the dairy cow hoofs and promoting Chinese herbal medicines, aloe and other effective ingredients to rapid penetrate into the skin for deep absorption are scientifically compounded. In addition, a natural antioxidant capable of protecting the effective ingredients of the materials against oxidization and improving the stability of the dairy cow hoof care cream is added, meanwhile keratinase and cutinase promoting the bonding and penetration of the dairy cow hoof care cream are added, reduced-pressure concentration is performed to obtain the cream, and finally the dairy cow hoof care cream capable of comprehensively treating various hoof diseases, firm in bonding, good in permeability and free of any antibiotic or chemical toxic substance is prepared.

The invention discloses cow hoof care ointment capable of improving production performance and a preparation method of the cow hoof care ointment. The hoof care ointment takes a Chinese herbal medicine extracting solution and an aloe extract as main raw materials, wherein the Chinese herbal medicine extracting solution can effectively kill and inhibit infectious pathogenic bacteria of a hoof disease of a cow, promote wound healing of hoofs, effectively prevent and treat multiple hoof diseases and improve the immunity and the disease resistibility of the cow, and the aloe extract can promote drug permeation and effectively repair cuticle and has a high cohesive property; plant extracts and plant oil which can change the cuticle structure of the hoofs of the cow and can promote Chinese herbal medicines, aloe and other effective ingredients permeate into skin to be deeply absorbed are scientifically compounded, a natural antioxidant which can protect effective ingredients of components from oxidation and improve the physicochemical stability of the hoof care ointment is added, besides, keratinase and cutinase which promote adhesion and permeation of the hoof care ointment are also added, paste is obtained through concentration under reduced pressure, and finally, the hoof care ointment which can comprehensively treat various hoof diseases, is firm in adhesion and high in permeation and doesn't contain any antibiotics and chemical toxic substances is prepared.

The invention discloses salty spleen benefiting fish roe mixed congee. The mixed congee is prepared from the following raw materials in parts by weight: 50-60 parts of beef marrow bone, 4-5 parts of chrysanthemum morifolium, 16-18 parts of red beans, 20-25 parts of peanuts, 15-18 parts of lotus seed, 7-8 parts of lily, 15-20 parts of walnut kernels, 80-100 parts of glutinous rice, 2-3 parts of pepper, 1-2 parts of pricklyash peel, 2-3 parts of shallot, 3-4 parts of ginger, 7-8 parts of honey, 10-12 parts of rose syrup, 6-8 parts of sweet ferment rice, 8-10 parts of fish roes, 15-17 parts of cucumbers, 0.6-2 parts of pumpkin vines, 2-3 parts of lychee seed, 0.4-0.7 part of root of Chinese peashrub, proper amount of sucrose ester, proper amount of 3-4% salt solution and proper amount of salt. The prepared salty mixed congee has the advantages that the bovine bone soup is adopted; the variety of volatile substances in the bovine bone soup is increased and the relative content of the volatile substances is also affected by adopting an applied concentrating process; and most of all, some volatile compounds with peculiar flavors are generated in the bovine bone soup by adopting the concentrating process, so that the soup is more delicious.

The invention discloses depression relieving and appetizing bone soup eight-ingredient porridge. The eight-ingredient porridge is prepared from, by weight, 50-60 parts of cortical leg bone, 4-5 parts of chrysanthemum morifolium, 16-18 parts of red beans, 20-25 parts of peanuts, 15-18 parts of lotus seeds, 7-8 parts of lilies, 15-20 parts of walnut kernels, 80-100 parts of sticky rice, 2-3 parts of pepper, 1-2 parts of Chinese prickly ash, 2-3 parts of green onions, 3-4 parts of ginger, 7-8 parts of honey, 4-6 parts of soybean milk, 10-15 parts of nori powder, 17-19 parts of grape skin, 7-8 parts of lotus root powder, 2.1-2.3 parts of malt, 2.8-3 parts of radix curcumae, 2-3 parts of loquat flowers, an appropriate amount of sucrose ester, an appropriate amount of 3-4% table salt solution and an appropriate amount of table salt. Cortical bone soup is adopted as soup of the manufactured salty eight-ingredient porridge, the varieties of volatile substances in the cortical bone soup are increased by using the concentration technology, and the relative content of the volatile substances is also affected. Above all, the volatile compounds with a unique flavor are generated in the cortical bone soup through the concentration technology to make the soup more delicious.

The invention discloses a method for processing rosin with low water consumption and low emission. The invention belongs to the field of water-saving processing of turpentine. The method comprises thefollowing steps: 1) water-saving conveying: not adding water into turpentine, and conveying the turpentine by adopting a plunger pump; 2) water-saving dissolving: not adding liquid water into the turpentine in the turpentine dissolving process, and dissolving the turpentine by adopting an oil-steam mixture generated by mixing hot dissolved oil and high-temperature steam by using a vertical continuous dissolver; 3) water-saving washing: enhancing the contact between water and the grease liquid by adopting a small amount of repeated hot water washing mode and forced stirring, then standing forlayering to discharge water and impurities at the lower layer, separately collecting to a middle-layer grease liquid tank, putting middle-layer grease liquid into a dissolving kettle, adding a small amount of dissolved oil, heating for dissolving, and separating by a horizontal screw centrifuge and a butterfly centrifuge to obtain pure lipid liquids; and 4) water-saving distillation: distilling the turpentine by adopting a conduction oil heating and reduced pressure distillation process in a turpentine distillation and separation process.

The invention discloses a hoof care spray to effectively kill and inhibit the infectious pathogens of hoof diseases and promote healing of hoof wound. The main raw materials comprise a Chinese herbal medicine extract capable of effectively preventing and treating a variety of hoof diseases and improving immunity and disease resistance of cows, and an aloe extract with strong adhesion and for promoting drug penetration and effectively repairing cuticle; and a plant extract capable of changing the structure of the cuticle of the cow hoof and promoting the effective ingredient such as the Chinese herbal medicine extract and aloe to quickly penetrate into the deep skin for absorption is added. The ultrasonic dispersion, dissolution, high pressure homogenization and hot and cold processing technology are combined organically. The hoof care spray is not only scientifically compounded with an efficient bonded modified dietary fiber, but also is supplemented with trehalose, tannins, water-soluble chitosan, carrageenan and natural antioxidant to protect the active ingredients from oxidation and improve physical and chemical stability of hoof care spray. The ultimately prepared hoof care spray has the advantages of strong stability, safety, high efficiency, no antibiotic or chemical toxic substances.

The invention discloses a chestnut bone soup skin care congee, which is made from the following raw materials by weight: 50-60 parts of bovine bone rod, 4-5 parts of Chrysanthemum morifolium, 16-18 parts of red bean, 20-25 parts of peanut, 15-18 parts of lotus seed, 7-8 parts of lily, 15-20 parts of walnut, 80-100 parts of glutinous rice, 2-3 parts of pepper, 1-2 parts of Chinese prickly ash, 2-3 parts of onion, 3-4 parts of ginger, 7-8 parts of honey, 7-8 parts of pumpkin, 10-12 parts of chestnut, 6-8 parts of hawthorn coil, 16-18 parts of coconut milk, 2.5-3 parts of rhizoma homalonemae, 0.7-0.8 part of the bark of ash, 2-3 parts of pomegranate seeds, sucrose ester, 3-4% salt solution and a proper amount of salt. The salty eight treasures congee uses bone soup; and the enrichment process increases the types of volatile substances in the bone soup, and also has influence on the relative content. The most important thing is that the concentration process makes the bone soup have some of volatile compounds with unique flavor, and makes the soup taste more delicious.

The invention discloses a milk cow hoof protection liquid capable of protecting the environment, which can effectively kill and inhibit dairy cow hoof disease infectious pathogens and promote hoof wound healing, can effectively prevent and treat various hoof diseases, and improve the self-immunity and immunity of dairy cows. The main raw materials are Chinese herbal extracts with disease resistance and aloe vera extracts that can promote drug penetration, effectively repair cuticles, and have strong adhesion. Adding them can change the structure of cow hoof cuticles and promote the rapid penetration of active ingredients such as Chinese herbal medicines and aloe into the skin. The plant extract absorbed deep into the skin organically combines ultrasonic dispersion, dissolution, high-pressure homogenization and cold and heat treatment technology, not only scientifically compounding the modified dietary fiber with high efficiency and bonding, but also adding the active ingredients that can protect the components from oxidation , tannin, water-soluble chitosan, carrageenan and natural antioxidants to improve the physical and chemical stability of the hoof care liquid, and finally a product with strong stability, firm bonding, strong permeability, safe and efficient, without any antibiotics and chemicals Toxic foot care lotion.

The invention discloses an enclosed laser shock wave transdermal administration device, which consists of a pulse laser, a laser protecting cover, a focusing lens, a restraining layer, an absorbing layer, a protecting layer and a liquid medicine box, wherein one end of the laser protecting cover is connected to the laser head of the pulse laser, and the other end of the laser protecting cover is connected with the liquid medicine box, so that acting laser pulses and scattered light of the laser pulses are completely restrained in the laser protecting cover, and the operation security is improved; the protecting layer, the absorbing layer and the restraining layer are formed in sequence on the liquid medicine box; and the smallest sum of the thicknesses of the absorbing layer and the protecting layer can be up to 20 mum, so that the transmission path of laser shock wave is remarkably shortened, the coupling efficiency of shock wave is increased, and the laser energy needed in the transdermal administration process is reduced. The administration device has a compact structure, low cost and short medicament permeating time, is convenient and safe for using, and is suitable for clinical application.

The invention discloses a low-sugar golden silk candied date and a preparation method thereof. The low-sugar golden silk candied date contains functional sugar, the sugar content is less than 24%, and the moisture content is 12-15%. The low-sugar golden silk candied date is low in sugar content and strong in fruity flavor, and has the effects of resisting oxidation, enhancing immunity and the like. Moreover, compared with the traditional golden silk candied date, the golden silk candied date disclosed by the invention has better chewiness, toughness and elasticity and is richer in nutrition. According to the preparation method disclosed by the invention, an ultrasonic-assisted sugar solution permeation process is adopted, so that the processing energy cost can be effectively reduced, the natural characteristics of fruits are protected, and the sensory and nutritional ingredients of dried fruits are maintained. Moreover, the permeation time can be obviously shortened, the sugar permeation efficiency is improved, the drying rate of the materials is improved, the drying time is shortened, the energy consumption is reduced, and the low-sugar golden silk candied date has high application value.