39results about How to "Denied entry" patented technology

A semiconductor structure includes a gate, an oxide channel layer, a gate insulating layer, a source, a drain and a dielectric stacked layer. The oxide channel layer is stacked over the gate, with the gate insulting layer disposed therebetween. The source and the drain are disposed on a side of the oxide channel layer and in parallel to each other. A portion of the oxide channel layer is exposed between the source and the drain. The dielectric stacked layer is disposed on the substrate and includes plural of first inorganic dielectric layers with a first refraction index and plural of second inorganic dielectric layers with a second refraction index that are stacked alternately. At least one of the first inorganic dielectric layers directly covers the source, the drain and the portion of the oxide channel layer. The first refraction index is smaller than the second refraction index.

The invention provides a gel for blocking PM2.5 or other nasal allergens in the air. In addition to purified water, it includes the following components in weight ratio: 0.2%-20% polyquaternium salt, cationic guar gum : 0.1% to 10%. The invention also provides the preparation method and application of the gel. In order to conveniently and effectively block PM2.5 particles in the air and other nasal allergens from entering the human respiratory system, the present invention provides a gel product with cationic polyquaternium salt and guar gum as the main raw materials for the first time. Apply it around the nose of the user, and generate an electrostatic field like an air filter around the nasal passages through various cations, which can effectively prevent particulate matter in the air (especially PM2.5) from entering the nasal passages, lungs and other respiratory systems. While blocking PM2.5, it can also block other nasal allergens in the air: grass clippings, pollen, dust mites, animal and plant dander, etc. from entering the respiratory system, avoiding nasal allergies, and protecting the respiratory system, cardiopulmonary function and other health.

The invention discloses a door and window frame material structure, which mainly comprises a first frame strip, a second frame strip and a third frame strip. Ends of the same sides of the first frame strip and the second frame strip are respectively connected with two ends of the third frame strip, and the first frame strip is longer than the second frame strip. Due to the structural arrangement, the door and window frame material structure has the advantages that an assembling process of a door and window frame material can be simplified, gaps generated during usage of the door and window frame material can be covered, external dust and mosquitoes can be stopped from entering an indoor environment via the gaps, and the like.

The invention discloses a dynamitic shading device which comprises a motor, a shading element and a counterweight. The motor is provided with a rotating shaft; the shading element is provided with a shading part and a hub part connected with the shading part; and the hub part is sheathed on the rotating shaft. The counterweight is arranged in the shading element.

The invention relates to a nasal composition for resisting allergy and preventing PM2.5 in air as well as a preparation method and an application of the nasal composition. The composition consists of a gel, a cell nutrient, a metal ion chelating agent and a pH buffer agent; and with the application of the composition, a transparent thin film is rapidly formed around nostrils. The gel accounts for 0.01-10 parts by weight, preferably 1-5 parts by weight and more preferably 1-3 parts by weight; the cell nutrient accounts for 0.01-5 parts by weight, preferably 0.2-1 part by weight and more preferably 0.5-1 part by weight; the metal ion chelating agent accounts for 0.005-2 parts by weight, and preferably 0.1-1 part by weight; and by virtue of the pH buffer agent, pH value is regulated to 5-8. The nasal composition provided by the invention, through a physical adsorption effect, can effectively block off effects of inhaled allergens on human body; and PM2.5 particles in the air can be effectively prevented from entering such respiratory systems as nasal passages, lung and the like.

The invention relates to the field of tunnel segment construction, in particular to a segment caulking plugging structure and a plugging process. The segment caulking plugging structure comprises a waterproof adhesive tape, wherein the waterproof adhesive tape is tightly arranged between a segment and the inner wall of a tunnel, both sides of the waterproof adhesive tape extend towards both sides of a caulking respectively, a sealing groove is formed in the end, close to the inner wall of the tunnel, of the caulking, the middle of the waterproof adhesive tape is bent towards the side close to the sealing groove to form a protrusion, the protrusion is tightly attached to the interior of the sealing groove, a groove is formed in the protrusion, a water swelling strip is arranged in the groove and is tightly attached to the interior of the groove, the side, away from the segment, of the water swelling strip is tightly abutted with the inner wall of the tunnel, and polyurethane sealants fills up the space between the water swelling strip and the inner wall of the groove as well as the space between the water swelling strip and the inner wall of the tunnel as well as the space between the waterproof adhesive tape and the inner wall of the tunnel. The segment caulking plugging structure has the effects that the phenomenon that underground water seeps from the caulking is reduced, and the waterproof performance of the caulking is improved.

The invention provides a building inspection toolbox with a drying function, and relates to the technical field of building inspection equipment. The building inspection toolbox with drying function includes a base, the right side of the top of the base is fixedly connected with a storage device, and the storage device includes a box body, and the right side of the box body is connected to the right side of the connecting plate through a hinge. The bottom is movably connected, the right side of the box body is fixedly connected to the left side of the gasket, the right side of the gasket is overlapped with the left side of the connecting plate, and the through hole opened on the right side of the connecting plate is inserted with a A support rod, the right end of the support rod is fixedly connected with a rotating handle. The building inspection toolbox with drying function is provided with a storage device, a connecting plate, a gasket, a support rod, a connecting groove and a limit rod. When the box is opened, the rotating handle drives the support rod to rotate, and the support rod drives the limit The rod rotates, and when the position of the limit rod corresponds to the position of the fixing groove, the limit rod is drawn out.

The invention discloses a protective threading clip and an installation method thereof, which belong to the technical field of wire clips. The protective thread clip includes two covers spliced ​​with each other; the opposite surfaces of the two covers are provided with threading grooves along the axial direction, and the two The threading grooves are combined to form a threading hole; the groove wall of each threading groove is provided with sealing filling grooves along the circumferential direction, and at least one sealing filling groove is opened in each cover body, and the sealing filling grooves of the two covers are one-to-one and combined A circumferentially complete annular groove is formed; a gate is opened on the outer surface of at least one cover body, and the gate communicates with the sealing filling groove; the gap between the sealing filling groove and the threading groove and the connecting cable is filled with sealing medium. By opening a sealing filling groove on the cover body, and filling the sealing medium in the sealing filling groove and the gap between the connecting cable and the threading groove, dust and water are prevented from entering the chassis along the threading path and the threading groove to achieve dustproof and waterproof the goal of.

The invention relates to a penetration type transparent concrete protection paint and preparation method thereof, which comprises the following steps: diluting a fluoropolymer by diluents, adding a curing agent, mixing as the first component, and then adding silane which is used as the second component, mixing uniformly; the product is coated on the concrete surface and penetrates into the concrete for combining into one body, thereby forming a deep protection, effectively reducing water absorption of concrete, increasing packing of concrete surface, improving resistance to chemical corrosion, resistance to carbonization and resistance to frost, especially blocking the channel by which the extraneous moisture can enter into the internal part of the concrete, substantially improving waterproofness of the concrete, and effectively prolonging the service life.

The multifunctional sealing cover assembly comprises a base used for being connected with a container opening, a liquid outlet sleeve which can stretch into the container opening and is provided with an upper opening and a lower opening is formed on the base, a liquid pouring opening is formed in the upper end of the liquid outlet sleeve, and the lower opening of the liquid outlet sleeve forms a liquid outlet and is communicated with an inner cavity of a container. A sealing plug used for blocking the liquid outlet is arranged on the liquid outlet sleeve in a destructible mode, an upper opening of the liquid outlet sleeve is movably and telescopically connected with a sleeve column extending in the direction of an inner cavity of the container, an anti-fake structure is arranged between the base and the opening portion of the container, an upper cover is detachably connected to the upper portion of the base, and when the sleeve column moves relative to the liquid outlet sleeve, the anti-fake structure can seal the liquid outlet. The sealing plug can be separated from the liquid outlet sleeve to fall into the inner cavity of the container, then the inner cavity of the container is communicated with the outside through the liquid outlet sleeve, sealing structures are arranged between all the parts and between the parts and the opening of the container, and therefore the multi-stage sealing type quantitative pouring device has the advantages of being capable of achieving multi-stage sealing, convenient to use, quantitative in pouring and anti-fake.

The invention discloses a protective threading clamp and an installation method thereof, and belongs to the technical field of wire clamps. The protective threading clamp comprises two cover bodies which are spliced with each other; threading grooves are formed in the opposite faces of the two cover bodies in the axial direction, and the two threading grooves are spliced to form a threading hole. A sealing filling groove is formed in the groove wall of each threading groove in the circumferential direction, at least one sealing filling groove is formed in each cover body, and the sealing filling grooves of the two cover bodies are in one-to-one correspondence and are spliced to form a circumferential complete annular groove; a pouring gate is formed in the outer surface of at least one cover body and is communicated with the sealing filling groove; and the sealing filling groove and a gap between the threading groove and the connecting cable are filled with a sealing medium. The sealing filling groove is formed in the cover body, and the sealing medium is filled in the sealing filling groove and in the gap between the connecting cable and the threading groove, so that dust and water are prevented from entering the case along the threading path and the threading groove, and the dustproof and waterproof purposes are achieved.

The invention relates to the technical field of melt purification in the copper smelting process, and discloses a solid-liquid double-phase copper alloy smelting covering agent and application thereof in order to solve the problem that in the prior art, the anti-oxidation and volatilization efficiency of a covering agent needs to be improved. The covering agent is prepared from the following raw materials in percentage by mass: 48-51% of Na2SiF6, 47-48% of CaCO3 and the balance of NaCl. A preparation method includes: preparing the raw materials; uniformly mixing; and scattering the mixture in a copper alloy melt casting furnace, stirring, keeping the furnace temperature at 900-1,100 DEG C, and forming the covering agent continuously kept in a solid-liquid double-phase state so as to cover a copper alloy melt. In the invention, the covering agent is in the solid-liquid double-phase state in the whole covering process so as to ensure that: the lower layer of the covering agent is a liquid phase and is in direct contact with the melt, then air is prevented from entering the melt, and the copper alloy melt is prevented from being oxidized and volatilized; and the upper layer of the covering agent is a solid phase and take effects of pressing and covering the liquid phase so as to form a solid protective layer.

The invention relates to a semiconductor structure, which includes a gate, an oxide channel layer, a gate insulating layer, a source, a drain and a dielectric stack layer. The grid is configured on a substrate. The oxide channel layer and the gate are stacked on top of each other. The gate insulating layer is configured between the gate and the oxide channel layer. The source and the drain are disposed on one side of the oxide channel layer and parallel to each other. A portion of the oxide channel layer is exposed between the source and the drain. The dielectric stack layer is disposed on the substrate and includes multiple layers of first inorganic dielectric layers with a first refractive index and multiple layers of second inorganic dielectric layers with a second refractive index. The first and second inorganic dielectric layers are alternately stacked. At least one first inorganic dielectric layer directly covers portions of the source, the drain and the oxide channel layer. The first refractive index is smaller than the second refractive index.

The invention provides a building detection tool box with a drying function, and relates to the technical field of building detection equipment. The building detection tool box with the drying function comprises a base, the right side of the top of the base is fixedly connected with a storage device, the storage device comprises a box body, the right side of the box body is movably connected withthe bottom of the right side of a connecting plate through a hinge, the right side of the box body is fixedly connected with the left side of a sealing gasket, the right side of the sealing gasket isin lap joint with the left side of the connecting plate, a supporting rod is inserted into a through hole formed in the right side of the connecting plate, and a rotating handle is fixedly connected to the right end of the supporting rod. According to the building detection tool box with the drying function, the storage device, the connecting plate, the sealing gasket, the supporting rod, a connecting groove and a limiting rod are arranged, so that the rotating handle is rotated to drive the supporting rod to rotate when the box body is opened, the supporting rod drives the limiting rod to rotate, and the limiting rod is pulled out when the position of the limiting rod corresponds to the position of a fixing groove.

The invention discloses a cover assembly facilitating liquid pouring and taking. The cover assembly comprises a base for being connected with an opening of a container body, the base is provided withan upper opening and a lower opening and is hollow, the upper end of the base is provided with a liquid pouring opening, the base is provided with a sleeve movably extending into an inner cavity of the container body, the liquid pouring opening is in communication with the inner cavity of the container body through the sleeve, a sealing sleeve is connected to the lower end of the sleeve, the sealing sleeve is provided with a liquid outlet, the upper opening of the base is connected with a sleeve column in a movable and stretchable mode, the sleeve column is movably provided with a sealing traylocated in the sleeve in a sleeve mode, and an annular sealing ring matched with the liquid outlet is arranged at the lower end of the sleeve column; and when the sleeve column movably extends out relative to the upper opening of the base, the inner side of the liquid pouring opening of the base can be blocked by the upper end part of the sealing tray, and the annular sealing ring is separated from the liquid outlet of the sealing sleeve. The cover assembly has the characteristics of multi-stage sealing effect and anti-fake function.

The invention discloses an electroluminescence component packaging body and a packaging method thereof. The packaging body comprises a first base board, an electroluminescence component, a second base board, welding glue and a first adhesion layer. The electroluminescence component is arranged on the first base board. The second base board is placed above the first base board and the electroluminescence component. The welding glue is welded with the first base board and the second base board and winds around the electroluminescence component, wherein the welding glue is provided with a continuous pattern. The first adhesion layer is connected with the first base board and the second base board, wherein the first adhesion layer is placed between the electroluminescence component and the welding glue and winds around the electroluminescence component, and the material of the first adhesion layer is totally different from the material of the welding glue.

The invention relates to the technical field of melt purification in the copper smelting process. Aiming at the problem that the anti-oxidation and volatilization efficiency of the capping agent in the prior art needs to be improved, a solid-liquid two-phase copper alloy smelting covering agent and its application are disclosed. The raw materials in the agent are prepared according to their mass percentages: Na 2 SiF 6 : CaCO 3 : NaCl=48~51%: 47~48%: balance. Including: preparing raw materials; mixing evenly; spreading the mixture in the copper alloy melt casting furnace, and stirring it, maintaining the furnace temperature at 900~1100°C, forming a covering agent that continuously maintains the solid-liquid dual phase, and covering the copper alloy melt . In the present invention, the covering agent is in a solid-liquid dual-phase state throughout the covering process, ensuring that the lower layer of the covering agent is in a liquid phase, directly in contact with the melt, preventing air from entering the melt, and preventing oxidation and volatilization of the copper alloy melt; the upper layer It is a solid phase, which plays a pressing role on the liquid phase to form a solid protective layer.