31results about How to "Guarantee through" patented technology

The invention relates to an optical film, in particular to a quantum dot film with a blue light preventing effect. In order to solve the problem that an existing quantum dot film is poor in blue lightpreventing stability in the using process, the invention provides the quantum dot film with the blue light preventing effect. The quantum dot film comprises a quantum dot layer; the upper surface ofthe quantum dot layer is provided with an upper blocking layer; the lower surface of the quantum dot layer is provided with a lower blocking layer; the quantum dot layer comprises quantum dots and anadhesive agent; the upper blocking layer comprises a blue light preventing material which is selected from one or more of a blue light preventing auxiliaries or blue light preventing particles. The quantum dot film has good blue light preventing stability, and solves the problem that because quantum dots in the quantum dot film lose efficacy, blue light is too much.

The invention relates to a microtube device and a using method thereof. The microtube device is characterized by comprising an upper layer of top cap layer and a lower layer of substrate layer, wherein the top cap layer is tightly connected with the surface of the substrate layer; the top cap layer and / or the substrate layer are / is provided with a branch microtube; the branch microtube consists of at least one activity screening tube, a buffer cavity and at least two branch tubes which are symmetrically distributed to the center of the buffer cavity; the buffer cavity is connected with the activity screening tube and the branch tube; meanwhile, the top cap layers corresponding to all the end positions of the branch microtube are provided with a hole respectively to form a sample inlet pool and a sample outlet pool; the sample inlet pools are communicated with the corresponding activity screening tube respectively; and the sample outlet pools are communicated with the corresponding branch tubes respectively. Cells can be cultured in situ in the sample outlet pool and can continuously generate a chemotactic matter by selectively adding cells capable of releasing the chemotactic matter into one or more sample outlet pools, so that uniform and stable chemical gradient fields are generated in the buffer cavity and the branch tubes. The microtube device has the advantages of simple manufacturing steps, low cost, quick and effective screening process, and easy popularization and use in ordinary laboratories.

The invention belongs to water-proof air-permeable polyurethane synthetic leather in the technical field of synthetic leather, comprising the following components by weight percent: 60-70% of polyurethane particles, 3-7% of lubricant, 1-3% of foaming agent, 4-8% of reconcile resin, 10-15% of calcium carbonate, 10-15% of sodium chloride the grain diameter of which is 100-200 meshes, and 1-3% of pigment. The preparation method of the invention comprises the following steps: feeding the materials into a blender, and evenly mixing the raw materials; placing into a banbury mixer, heating, plastifying; placing into a two-roller machine, gelling, homogenizing, filtering by a filter and extruding; placing into a calender, and pulling out into rubber fabric; placing into a laminator, and fitting with base fabric and shell fabric at the condition of heating and pressurizing; and placing into a foaming machine, decomposing and foaming at the high temperature, cooking in water for 10-24 hours at the temperature of 50-60 DEG C, changing water for 2-5 times, knurling and postprocessing. The beneficial effects of the invention are as follows: sodium chloride is added and then removed in preparation process, more extremely fine holes are generated, and the air permeability of the synthetic leather of the invention is enhanced.

The invention discloses a guard rail tube composite structure, comprising a translucent face case and a bottom case. The cross section of the face case is a bisymmetric arc. The central area of the arc top is a smooth inner surface. Sawteeth are equipped on the inner surface at two sides of the arc. The bottom case is a metal bottom case and provided with lamp trough in center. The invention adopts a special translucent light tube face case structure, generates different light intensity and visual effect at the different portions of the light tube to make the light transmission in center of the face case top most intensive and meet the requirement of the lighting lamp. The invention combines the illumination and decorative illumination in a simple and effective way. The bottom case has a good heat radiation. The lamp trough facilitates the installation, maintenance and replacement of the lamp band and well matches with the illuminating source such as the high power LED lamp band or fuse lamp band.

The invention relates to a solvent type transparent nanometer thermal insulation sizing agent and an application method thereof. The sizing agent is prepared from 10-30% of a nanocrystalline metal oxide the grain diameter of which is 10-100nm, 0.1-5% of a dispersing agent, 0.1-5% of a flatting agent and a diluter, wherein the nanocrystalline metal oxide is the mixture of nanometer ATO and / or ITO,WO3-x and Cr2O3. The application method comprises the following step of: mixing and using the sizing agent and the diluter as well as a light curing acrylic resin composition, a solvent type polyurethane coating, an acrylate coating or an acrylic ester pressure-sensitive adhesive and a polyurethane pressure-sensitive adhesive. The solvent type transparent nanometer thermal insulation sizing agent and the application method provided by the invention have the advantages that the dispersion of the sizing agent is good, the storage time is long, the WO3-x can powerfully absorb sunlight, and the solar radiation can be effectively controlled while transmission of highly visible light is guaranteed; the Cr2O3 and the WO3-x are matched so as to effectively control generation of Cr (6+), so that the sizing agent is safe and non-toxic; the sizing agent can be used in match with the diluter as well as the light curing resin, the solvent type polyurethane coating and the pressure-sensitive adhesive after dispersion, and the sizing agent is simple and convenient; the sizing agent has high transparency, low haze and high heat-insulating properties and a strong weather-proof chemical-resistance property; the application method is simple, the production cost is low, and the sizing agent is suitable for large scale production.

The invention relates to a flexible tranexamic acid liposome with effects of whitening and removing freckles as well as a preparation method and application of the flexible tranexamic acid liposome. The flexible tranexamic acid liposome with effects of whitening and removing freckles is composed of the following components in percentage by mass: 0.1-6.0% of tranexamic acid, 1.0-12.0% of phospholipid, 0.5-5.0% of cholesterol, 0.05-1% of a membrane softener, 0.05-1.0% of ceramide, 0.5-3.0% of an emollient, 5.0-15.0% of polyhydric alcohols, 0.5-2.0% of an antioxidant and the balance of purified water. According to the flexible tranexamic acid liposome prepared in the invention, the various active ingredients realize functional complementation and can achieve synergistic effects; the drug loading capacity is high, the active ingredients with different effects, such as the tranexamic acid and the like, can be delivered to deep positions of the skin, and a long-term sustained release effectis achieved; and the accumulated transmission amount and retention volume of tranexamic acid cream are increased, the defect that an adverse reaction to the gastrointestinal tract is caused by oral medication is overcome, the compliance is improved, and the liposome is easily accepted by patients.

The invention discloses a high-efficiency adjustable mixed liquid separating fiber membrane and a preparation method thereof, and belongs to the technical field of functional micro / nano fiber materials. The preparation method includes the steps of dissolving a low-surface energy substance A and a hydrophobic polymer B in organic solvent at a room temperature to be fully stirred till being completely dissolved, and obtaining a polymer solution as a spinning solution, wherein the polymer solution contains, by mass, 8-20% of hydrophobic polymer B; conducting static spinning to obtain a static spinning porous mesh-shaped fiber membrane, wherein the diameter of the fiber ranges from 100 nanometers to 3 microns. The membrane can be used for separation of inorganic / organic mixed liquid and can also be used for separation of organic / organic mixed liquid. The separation range of liquid can be controlled by adjusting the surface of the fiber membrane, and the application range is wide. The preparation method is simple, easy to operate, high in efficiency and capable of being used for preparing the mixed liquid separating membrane on a large scale.

The invention discloses a pitaya enzyme and a preparation method thereof. The pitaya enzyme is prepared from raw materials as follows: 150-250 parts of a bacterial solution, 130-220 parts of pitaya, 100-150 parts of a sweetener and 50-150 parts of water, wherein the bacterial solution contains 30%-50% of aspergillus niger, 8%-15% of saccharomycetes, 20%-35% of lactic acid bacteria and the balanceof water; the sweetener is radix glycyrrhizae. The invention provides an enzyme stock solution with functions of improving immunity, resisting oxidation and resisting aging and a preparation method. The obtained enzyme stock solution tastes mellow; the preparation process is simple and convenient, the utilization rate of raw materials is high, and the cost is greatly reduced.

The present invention discloses a low-profile miniature microwave energy transmission rectifier. The low-profile miniature microwave energy transmission rectifier comprises at least one rectificationmodule, and each rectification module comprises one frequency selection surface layer, one metal floor layer and one rectification circuit layer which are arranged in order from front to back; each frequency selection surface layer, each metal floor layer and each rectification circuit layer are separated from one another by two substrates; each frequency selection surface layer is connected witheach rectification circuit layer through one metal via hole penetrating each metal floor layer and each substrate, and each metal via hole and each metal floor layer are insulated to each other; eachrectification circuit layer comprises one diode, one wire and one output end; and each metal via hole is connected with the anode of each diode through each wire, and the cathode of each diode is connected with each output end. The low-profile miniature microwave energy transmission rectifier can achieve high-efficiency transmission of electromagnetic wave energy and can meet requirements of low profile, miniaturization and low cost.

A core holding unit based on Zeiss MCT-400 CT scanning comprises a holding unit shell and is characterized in that the holding unit shell is a carbon fiber tube capable of bearing confining pressure. According to the parameters of the carbon fiber tube, the density ranges from 1.26 g / cm<3> to 1.34 g / cm<3>, the tensile strength is larger than or equal to 73 MPa, and the Brinell hardness is larger than or equal to 10. The carbon fiber tube is made of a carbon fiber and resin composite material, and the carbon fiber and resin composite material is sold on the market and is polysulfone which is an amorphous transparent or semitransparent polymer with slight amber, and the amorphous-type transparent or translucent polymer is excellent in mechanical property and has the advantages of being high in rigidity, resistant to abrasion, high in strength and the like. The shell of the core holding unit is the carbon fiber tube which is a microcrystalline graphite material obtained by performing carbonization and graphitization on organic fibers, the microcrystalline graphite material is a new material excellent in mechanical property, the specific gravity of the new material is smaller than 1 / 4 that of steel, the tensile strength of the carbon fiber and resin composite material is larger than 3500 MPa in general and is 7 times to 9 times that of steel, the tensile elasticity modulus ranges from 230 GPa to 430 GPa and is also higher than that of steel, and it can be guaranteed that X rays can penetrate through a wall surface, and it can also be guaranteed that the wall surface will not deform along with changes of experimental pressure.

The invention discloses a preparation method of a medical ozone oil-silicone foam application, and particularly relates to the technical field of medical supplies. The preparation method of the medical ozone oil-silicone foam application comprises the following steps of continuously introducing medical ozone gas into olive oil to obtain ozone oil; uniformly stirring and mixing ozone oil, simethicone, sesame oil, the traditional Chinese medicine extract, vitamin A and vitamin E, and heating and melting to obtain ozone ointment; soaking silicone foam dressing in the ozone ointment to obtain an ozone oil dressing; and centrifugally spin-drying the ozone oil dressing by using a centrifugal dehydrator, wherein ozone oil dressing is provided with a super-absorption composite layer, a polyurethane (PU) film layer and a waterproof backing layer, and the ozone oil dressing is provided with a release paper layer, so that the medical ozone oil-silicone foam application is prepared. By adopting the technical scheme, the problem that an existing dressing is slow in wound healing is solved, and the foam application can be used for treating wounds of patients.

The invention provides electronic three-dimensional virtual louver glass which comprises a frame body, wherein light transmission glass is respectively assembled at the front side and the back side ofthe frame body; more than two rows of mutually parallel louver blades are assembled between two layers of light transmission glass; the louver blades and the frame body are rotationally assembled; the louver blades are made of atomization glass; the louver blades are connected with a control circuit arranged in the frame body through rotating shafts at two ends; more than two rows of lamp stripsparallel to the louver blades are assembled at the back surfaces of the louver blades; more than five independent lamp heads at equal distances are designed on each lamp strip; the luminous surface ofeach lamp strip is attached to the back surface of the louver blade; and the lamp strips are connected into the control circuit through the rotating shafts arranged at two ends of the louver blades.When the louver glass is used, the sight line blocking function can be realized through the atomization glass; and meanwhile, a three-dimensional pattern with a multilayer structure can be formed in the three-dimensional space.

The invention relates to a preparation method of a waterproof gas-permeable film for a lithium-air battery. The method comprises the following steps: melting polyolefin in white oil, forming a film, extracting, and drying to obtain the waterproof gas-permeable film. According to the invention, the compact waterproof gas-permeable film with adjustable thickness is prepared by controlling the concentration of polyolefin, the temperature in the film forming process and other conditions; and the button lithium air battery prepared from the waterproof gas-permeable film has strong environmental adaptability, is suitable for working in the air, and can continuously discharge for more than 1200 hours in the air environment under the current density of 0.1 mA / cm<2>.

The invention provides a manufacturing method for a mucuna pruriens test-tube plant. According to the manufacturing method, seeds of mucuna pruriens are taken as explants, the disinfected seeds are inoculated into a test tube containing a culture medium, the test tube is packaged, and then the mucuna pruriens test-tube plant is formed. According to the manufacturing method, the early-stage cultureprocess of the test-tube plant is omitted, a baobab leaf extract is used in the culture medium for replacing a growth regulator, the ornamental value of the test-tube plant is improved through ediblepigments, thus the pollution rate is decreased through the Shannon No.1, and the ornamental period of the test-tube plant is prolonged; the combined action of the baobab leaf extract, the edible pigments and the Shannon No.1 can prolong the optimal ornamental period of test-tube plant, the baobab leaf extract and the edible pigments have a synergistic antibacterial effect, thus the production cost is greatly reduced, market promotion is easy, and economic benefits are increased; and according to a test-tube plant product, the growth and development processes of the test-tube plant from seedsto plantlets can be observed continuously and clearly, and the test-tube plant product has good ornamental value and science popularization education value.

The invention relates to an optical film, in particular to a quantum dot film with a blue light preventing effect. In order to solve the problem that an existing quantum dot film is poor in blue lightpreventing stability in the using process, the invention provides the quantum dot film with the blue light preventing effect. The quantum dot film comprises a quantum dot layer; the upper surface ofthe quantum dot layer is provided with an upper blocking layer; the lower surface of the quantum dot layer is provided with a lower blocking layer; the quantum dot layer comprises quantum dots and anadhesive agent; the upper blocking layer comprises a blue light preventing material which is selected from one or more of a blue light preventing auxiliaries or blue light preventing particles. The quantum dot film has good blue light preventing stability, and solves the problem that because quantum dots in the quantum dot film lose efficacy, blue light is too much.

The invention discloses an intelligent water meter system capable of preventing water stealing, which comprises a server side, a first IC card read-write module and a user terminal, wherein the server side comprises an IC card, the server comprises a password generating module, the password generating module is used for generating and storing a password, and the server is used for writing cryptographic water usage data into the IC card; the user terminal comprises a processor; the processor is used for reading the cryptographic water usage data in the IC card and communicating with the server to obtain the password, the processor comprises a decode module, and the decode module is used for decoding the water usage data according to the password; the processor is used for comparing the used water volume data and the usable water volume data, when the used water volume data is equal to the usable water volume data, control signal can be sent to the electronic control valve, so as to enable the meter body to be closed. The system guarantees the safety of the data in the IC card, and prevents the data in the IC card form being distorted.

The invention discloses an incubator body structure for a passive intermodulation test experiment and an experimental method and belongs to the field of aerospace experiments. The incubator body structure comprises an incubator main body structure, a first connection pipe and a second connection pipe; the first connection pipe and the second connection pipe are connected with the incubator main body structure; the incubator main body structure communicates with the outside through the first connection pipe and the second connection pipe; the incubator main body structure is made of a wave-transmitting material and used for accommodating to-be-tested passive components; and the first connection pipe is used for inputting gas into the incubator main body structure and exhausting the gas in the incubator main body structure. When a PIM test is conducted, the to-be-tested passive components are placed in the incubator body structure, and the high-temperature or low-temperature flight environment of an aircraft can be simulated in an incubator body; and meanwhile, as the incubator body structure is made of the wave-transmitting material, testing results are real and reliable, and the purpose that large component products are subjected to the PIM test in the high-temperature or low-temperature flight environment is achieved.

The invention discloses a composite substrate applied to a direct type backlight LED chip and a preparation method of the composite substrate. The composite substrate applied to the direct type backlight LED chip comprises a sapphire substrate, nano-micron patterns are arranged on the sapphire substrate, and the nano-micron patterns are arranged on the sapphire substrate. Each nano-micron pattern comprises a hexagonal pyramid reflecting layer and a dielectric insulating layer which are arranged on the sapphire substrate. According to the composite substrate, the light emitting efficiency of light can be remarkably improved, and the brightness of an LED is improved. The preparation method of the composite substrate applied to the direct type backlight LED chip comprises the steps of cleaning, reflective layer coating, gluing, primary dry etching, cleaning, dielectric insulation layer deposition, primary gluing, exposure, development, secondary dry etching, secondary gluing, exposure, development, DBR reflective layer deposition and the like. The composite substrate prepared through the method has the advantages of being high in machining precision, good in product stability and high in light emitting efficiency, and can be widely applied to the field of LED substrate manufacturing.

The invention discloses a high-tensile-strength waterproof moisture-permeable composite fabric material and a preparation process thereof, the composite fabric material is prepared by compounding a base material and a functional layer by an adhesive, and the functional layer is prepared from ultra-high molecular weight polyethylene. According to the invention, through setting the materials and the preparation process in the composite fabric material, the textile fabric is used as a base material, the polyethylene with stronger hydrophobicity is used as a functional layer material, and a nano-scale microporous structure is formed, so that the composite fabric material has better water vapor molecule permeability and moisture permeability, and can well replace the composite material used in the current field; and the base material is subjected to adhesive dispensing in an arrangement manner and is subjected to thermal compounding with the functional layer to prepare the composite fabric material, the tensile strength of the composite fabric material is improved, meanwhile, the composite fabric material has excellent heat retention property and can be well applied to various fields, and the prepared clothes have the characteristics of high heat retention property, high sharp object puncture resistance strength and good moisture permeability.

The invention discloses a long-service life flat fiber-modified polyamide composite material for laser welding. A laser-absorbing part comprises a polyamide, a laser-absorbing component phosphate compound or aqueous polymer dispersant-modified boride particles of a rare-earth metal element, a copper halide metal compound, a halogenated metal salt compound and a glass fiber, wherein the grain size of the boride particles is not greater than 900nm; and a laser-transmitting part comprises a polyamide, a surface modified laser scattering diluent with the main material of white mineral filler containing titanium dioxide, a copper halide metal compound, a halogenated metal salt compound and a glass fiber, wherein the grain size of the laser scattering diluent is 30 to 400nm, the glass fiber consists of 20 to 100 percent of flat glass fiber and 0 to 80 percent of ordinary glass fiber, the major to minor axis diameter ratio of the flat glass fiber is greater than or equal to 2, and the minor axis diameter length of the glass fiber is greater than or equal to 3 microns. The composite material has relatively long service life and provides an alternative for application of a light-color or colorless system.

The invention discloses a film laminating machine for agricultural planting, which comprises a base, four support plates distributed in a matrix are connected to the bottom of the base, and a second rotating shaft is rotatably connected between two adjacent support plates. The rotating shaft is symmetrically sleeved with rollers. The invention has a simple structure, and uses the agricultural vehicle to move the base through the traction frame, put the large pieces of soil slag into the mixing bucket, and the rollers rotate to drive the turntable and the first pulley to rotate respectively, and the first pulley drives the pulverizer pair to stir through the belt The soil slag in the barrel is crushed and filtered by the curved sieve plate, and the small-sized soil slag is discharged from the receiving hopper, L-shaped feeding tube and discharge pipe in sequence, and falls on the edge of the mulch film to fix the mulch film. , the small-sized soil residue can avoid smashing the plastic film, and can also compress the plastic film better. The rotation of the turntable can drive the arc-shaped sieve plate to move back and forth through the joint action of the connecting wire and the spring, so as to prevent the soil residue from blocking the curved screen. Plate, to ensure that the soil dregs continue to pass through the curved sieve plate.

The invention discloses a perforating device for crystal balls. The perforating device for the crystal balls comprises a device main body. A working cavity with opening facing right is formed in the device main body. A driving device is arranged inside the device main body. The perforating device is connected to the upper end of the driving device. A fixing device is connected to the lower end ofthe driving device. According to the perforating device for the crystal balls, the operation is simple; the use is convenient; perforation of the crystal balls are complete, and it is guaranteed thatholes run through the crystal balls; and moreover, perforation can be fast, perforating efficiency is improved, and in addition, scraps after perforation can be collected and recycled.

The present invention relates to a tranexamic acid flexible liposome for whitening and removing freckles and its preparation method and application. ~12.0% phospholipids, 0.5%~5.0% cholesterol, 0.05%~1% membrane softener, 0.05%~1.0% ceramide, 0.5%~3.0% emollient, 5.0%~15.0% polyol, 0.5%~2.0 % antioxidants and the balance of purified water. The active ingredients in the tranexamic acid flexible liposome prepared by the present invention have complementary functions and can play a synergistic effect; the drug loading capacity is large, and active ingredients with different functions such as tranexamic acid can be transported to the deep layer of the skin to play a long-term effect. It improves the cumulative penetration and retention of tranexamic acid cream, improves the defects of oral administration of gastrointestinal adverse reactions, improves compliance, and is easy for patients to accept.

The invention relates to a dexibuprofen liposome as well as a reparation method and application thereof. The dexibuprofen liposome is prepared from the following components in percentage by mass: 1.0to 10.0 percent of dexibuprofen, 3.0 to 8.0 percent of phospholipid, 0.5 to 5.0 percent of cholesterol, 1.0 to 10.0 percent of diethylene glycol monoethyl ether, 0.5 to 5.0 percent of vitamin E polyethylene glycol succinate, 10.0 to 30.0 percent of polylol, 0.1 to 0.2 percent of citric acid and the balance of purified water. An oil phase prepared from the dexibuprofen, the phospholipid, the cholesterol and the diethylene glycol monoethyl ether is dropwise added into a water phase prepared from the vitamin E polyethylene glycol succinate, the polylol, the citric acid and the purified water, andthen an obtained mixture is treated through a high-speed shearing emulsification, high-pressure homogenization or high-pressure micro jet device, and the dexibuprofen liposome prepared by the preparation method is high in drug loading capacity, can be used for promoting the dexibuprofen to penetrate through a skin and retain for a long time in a high-concentration manner, and meanwhile, has favorable stability and safety.

The invention relates to a madecassoside liposome and its preparation method and application. The madecassoside liposome consists of 0.1%-8.0% madecassoside, 3.0%-10.0% madecassoside % phospholipids, 0.5% to 5.0% cholesterol, 0.05% to 1.0% ceramide, 0.5% to 2.0% plant essential oils, 10.0% to 25.0% polyols, 0.5% to 2.0% antioxidants, 0.5% to 5.0% collagen, 0.1%-1.0% fibroblast growth factor, 0.5%-2.0% honeysuckle extract and the rest water. The madecassoside liposome prepared by the invention can promote the penetration of madecassoside into the skin and play a long-term effect, and each component can play a synergistic effect, promote the regeneration of fibroblasts, regulate the skin, increase skin elasticity and moisture , Eliminate free radicals, replenish collagen, achieve cell regeneration, increase skin elasticity, and remove stretch marks.

The invention discloses a travel assisting device for a blind person. A rotary charging structure comprises a rotating head, an outer pipe, a first limiting ring, an inner pipe, a mounting hole, a mounting frame and a magnetic charging rod, wherein the outer pipe is arranged at the upper end of the rotating head, the first limiting ring is arranged at the upper end of the outer pipe, the inner pipe is movably connected to the interior of the outer pipe, the mounting hole is formed in the upper end of the inner pipe, the mounting frame is mounted at the bottom of the mounting hole, and the magnetic charging rod is mounted at the upper end of the mounting frame and is matched with a magnetic charging hole formed in the lower end of a storage battery. The travel assisting device for the blind person belongs to the field of blind guide sticks for the blind person, a charging box, the storage battery and the magnetic charging hole are matched with the magnetic charging rod, the magnetic charging rod is lifted in a lipstick rotating movement manner of the inner pipe and the outer pipe, and then the magnetic charging rod is inserted into the magnetic charging hole in the lower end of the storage battery; and by utilizing a rotating manner, the blind person does not need to insert the magnetic charging rod into an interface, so that the travel assisting device for the blind person brings convenience for the blind person to use.

The invention discloses a high tensile strength waterproof and moisture-permeable composite fabric material and a preparation process thereof. The composite fabric material is prepared by compounding a base material and a functional layer with an adhesive, and the functional layer is made of ultra-high molecular weight polyethylene. be made of. By setting the material and preparation process in the composite fabric material, the present invention uses textile fabric as the base material, selects polyethylene with strong hydrophobicity as the functional layer material, and forms a nano-scale microporous structure with good water vapor. Molecular permeability and moisture permeability can well replace the composite materials used in the current field; the substrate is dispensed in an arrangement and thermally compounded with the functional layer to obtain a composite fabric material, which has improved tensile strength and excellent It can be well applied in various fields, and the garments made have the characteristics of high heat preservation, high puncture resistance to sharp objects and good moisture permeability.

The invention discloses an intelligent water meter system capable of preventing water stealing, which comprises a server side, a first IC card read-write module and a user terminal, wherein the server side comprises an IC card, the server comprises a password generating module, the password generating module is used for generating and storing a password, and the server is used for writing cryptographic water usage data into the IC card; the user terminal comprises a processor; the processor is used for reading the cryptographic water usage data in the IC card and communicating with the server to obtain the password, the processor comprises a decode module, and the decode module is used for decoding the water usage data according to the password; the processor is used for comparing the used water volume data and the usable water volume data, when the used water volume data is equal to the usable water volume data, control signal can be sent to the electronic control valve, so as to enable the meter body to be closed. The system guarantees the safety of the data in the IC card, and prevents the data in the IC card form being distorted.

The invention relates to a solvent type transparent nanometer thermal insulation sizing agent and an application method thereof. The sizing agent is prepared from 10-30% of a nanocrystalline metal oxide the grain diameter of which is 10-100nm, 0.1-5% of a dispersing agent, 0.1-5% of a flatting agent and a diluter, wherein the nanocrystalline metal oxide is the mixture of nanometer ATO and / or ITO,WO3-x and Cr2O3. The application method comprises the following step of: mixing and using the sizing agent and the diluter as well as a light curing acrylic resin composition, a solvent type polyurethane coating, an acrylate coating or an acrylic ester pressure-sensitive adhesive and a polyurethane pressure-sensitive adhesive. The solvent type transparent nanometer thermal insulation sizing agent and the application method provided by the invention have the advantages that the dispersion of the sizing agent is good, the storage time is long, the WO3-x can powerfully absorb sunlight, and the solar radiation can be effectively controlled while transmission of highly visible light is guaranteed; the Cr2O3 and the WO3-x are matched so as to effectively control generation of Cr (6+), so that the sizing agent is safe and non-toxic; the sizing agent can be used in match with the diluter as well as the light curing resin, the solvent type polyurethane coating and the pressure-sensitive adhesive after dispersion, and the sizing agent is simple and convenient; the sizing agent has high transparency, low haze and high heat-insulating properties and a strong weather-proof chemical-resistance property; the application method is simple, the production cost is low, and the sizing agent is suitable for large scale production.

The invention relates to a high skin retention ceramide nano composition, and a preparation method and applications thereof. The high skin retention ceramide nano composition is composed of, by mass, 0.5 to 8.0% of ceramide, 3.0 to 10.0% of phospholipid, 0.5 to 5.0% of cholesterol, 0.5 to 5.0% of octyldodecanol, 0.5 to 5.0% of D-alpha-tocopheryl polyethylene glycol 1000 succinate, 10.0 to 30.0% of a polyalcohol, and the balance purified water. According to the preparation method, an oil phase prepared from ceramide, phospholipid, cholesterol, and octyldodecanol is added into a water phase prepared from D-alpha-tocopheryl polyethylene glycol 1000 succinate, the polyalcohol, and purified water dropwise; and an obtained mixture is subjected to high speed shear emulsification and high pressure homogenization or high pressure microfluidic equipment treatment. Drug loading capacity of the high skin retention ceramide nano composition is large; transdermal delivery of ceramide, and high concentration long time retention are promoted; stability and safety are high; the preparation method is simple, and is convenient to control; and the preparation method is suitable for industrialized production.