31results about How to "Guarantee through" patented technology

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 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 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 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 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 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.