42results about How to "Prevent approach" patented technology

The invention provides a composite anti-corrosion and anti-rust agent for preparing high-durability concrete, which comprises the following components in weight portion: 20 to 30 portions of anti-corrosion and anti-rust agent, 20 to 30 portions of super plasticizer, 1.0 to 3.0 portions of collapse protecting agent, 0.5 to 2.0 portions of adhesion promoter, 0.20 to 0.40 portion of air entraining agent, 0.05 to 0.20 portion of antifoaming agent, and 35 to 60 portions of water. The composite anti-corrosion and anti-rust agent has the advantages that the prepared concrete not only has anti-corrosion and anti-rust effects, but also can achieve good concrete fluidization, good cohesiveness, good collapse protecting property, small diffusion coefficient (Da) of concrete chloride ion, and good freezing-thawing resistant circulating property under the condition of low water to glue ratio.

A refrigerator includes: a cabinet having a storage space; a door including a door unit configured to open or close the storage space and a drawer unit to provide a receiving space; a driving device disposed at the door unit and including a driving motor to provide power; and an elevation device disposed at the drawer unit, connected with the driving device, and configured to move up or down, the elevation device includes: a lower frame; an upper frame positioned over the lower frame; a scissor assembly configured to connect the lower frame and the upper frame; and a screw rotatably supported on the lower frame, configured to be rotated by driving force transmitted from the driving device disposed at the door unit, and connected with the scissor assembly.

The present invention relates to a dye-sensitized solar cell and to a method for manufacturing same, and more specifically, to a novel dye-sensitized solar cell for preventing photoelectron recombination due to a triiodide, and to a method for manufacturing same. The dye-sensitized solar cell, according to the present invention, comprises a metal oxide which is produced by co-adsorption of a reactive compound, which can react with iodine, with a dye on a surface of the dye-sensitized solar cell. The dye-sensitized solar cell can achieve high efficiency by preventing the photoelectron recombination due to the triiodide while using a small amount of the dye.

The invention discloses a bidirectional alternative integral sealing device for main drive of a tunnel boring machine. The device comprises a boring machine adapter flange, a boring machine supportingring and an integral seal. A positioning ring is arranged outside the boring machine supporting ring. The integral seal comprises a base body, three sealing rings and a detection ring. The cross section of the base body is of an L-shaped structure, the tail end of the radial part is provided with a hydrophobic layer, and the tail end of the axial part is provided with a positioning hook; the outer part of each sealing ring is annular, the inner part of each sealing ring is a U-shaped labyrinth ring cavity, each sealing ring is provided with a first outer framework, a first inner shell, a first limiting block, a second limiting block, an axial seal, a first radial seal and a second radial seal, the outer part of the detection ring is annular, the inner part of the detection ring is a U-shaped labyrinth ring cavity, and the detection ring is provided with a second outer framework, a second inner shell, a third limiting block, a fourth limiting block and a third radial seal. The base body hydrophobic layer, the axial seals, the radial seals and the labyrinth ring cavities are integrated, meanwhile, sealing grease is injected, and the device has the advantages of good sealing performance, long service life, small disassembly and assembly difficulty, low maintenance cost and the like.

The present invention relates to a side cover mounting structure for computer which includes the following parts: a chassis which forms the main frame and has at least one opening to form a certain internal space; a side cover which is selectivity mounted on the opening surface of the chassis and can lock with the chassis by moving a certain distance in one direction thereby can selectively shield the internal space; a pin for moving the side cover in the direction vertical to the moving direction in order to lock the side cover with the chassis and locking the side cover with the chassis. The invention needs no other tools, the user can mount and disassemble the side cover, and thereby the convenience of the user's operation can be improved. And, in order to mount and disassemble the side cover, it is need not to separate some parts so that user will not worry that some part might be forgotten during the mount and disassemble process, thereby the side cover can be ensured to be mounted on the chassis at best status all the time.

The invention discloses a data fusion method and system for fuel cell engine fault prediction, and the method comprises the following steps: S1, obtaining an actual measurement fault sample through atest; S2, obtaining a simulation fault sample; S3, performing feature-level fusion on the actual measurement fault sample and the simulation fault sample to obtain a first fusion sample; S4, performing data-level fusion on the first fusion sample and an actual measurement fault sample to obtain a second fusion sample; and S5, jointly taking the second fusion sample and the actually measured faultsample as a training sample of a fuel cell engine fault prediction model. According to the invention, the problem of insufficient experimental data of fuel cell engine fault prediction can be solved.

The invention relates to an egg tray (9 ; 10) for a refrigerator, having a support plate (1), in which a plurality of openings (2), each for receiving one egg, is formed. A wall, surrounding the support plate, is divided into several wall sections (7), separated by recesses (11). A handle (3) protrudes from said support plate (1) above the centre of gravity thereof. Said egg tray (9 ; 10) can be stacked pairwise due to a slit (5) in the support plate (1).

The invention discloses a composition for treating inflammatory bowel disease, and belongs to the field of drugs. The composition follows principles of reinforcing intestinal tissue cells, building a normal intestinal surface mucous layer barrier, preventing an antigen approaching, touching, adhering to and entering an intestinal wall, and then blocking an abnormal immune response and the occurrence of inflammation. In the composition, ganoderma and radix salviae miltiorrhizae have efficacies of strengthening blood supply and oxygen supply to the human body; glutamine is a main energy source of intestinal mucosa; vitamin C, vitamin E, vitamin A and beta-carotene have functions of inhibiting the activity of oxygen free radicals, scavenging the oxygen free radicals, and protecting human cells. The composition provides nutrition, oxygen and raw materials for generation, renewal and repairing of goblet cells as well as forming of an intestinal surface mucous layer barrier by utilizing mucoprotein secreted by the goblet cells, has obvious effects of building the normal intestinal surface mucous layer barrier for the human body, eliminating inflammation and repairing intestinal tissues, and is used for effectively treating the inflammatory bowel disease.

The invention discloses an electric pulse shark expelling device. The electric pulse shark expelling device comprises binding belts and a box body, wherein the binding belts comprise a main binding belt and an auxiliary binding belt, and an electrode set is arranged on the outer surface of the front end of the main binding belt; and a power switch is arranged on the outer surface of one side of the box body. According to the electric pulse shark expelling device, shark expelling technical research is carried out through the arranged electric pulse shark expelling device and the characteristicthat an Ampullae of Lorenzini electric sensing system exists at the mouth and the nose of a shark, namely, the shark can recognize weak electronic pulses in received water, and therefore the shark isfar away from a transmitting source, an underwater high-voltage pulse probe transmitting technology is researched, high-voltage pulses capable of causing spasm of the shark Ampullae of Lorenzini existin the transmitting area, so that the purpose of expelling sharks is achieved, the sharks are automatically and effectively prevented from approaching swimmers, it is guaranteed that the swimmers areprevented from being hurt by the sharks during offshore work or swimming, intelligent shark prevention is achieved, and the device has the advantages of being simple in structure, small in size, lessin weight and convenient to wear.

The invention discloses a bidirectional alternate integral sealing device used for the main drive of a tunnel boring machine, which comprises a tunnel boring machine adapter flange, a boring machine support ring and an integral seal. A positioning ring is installed on the outside of the support ring of the roadheader. The integral seal includes the base body, 3 sealing rings and 1 detection ring. The cross section of the base body has an L-shaped structure, the end of the radial part is incorporated into the hydrophobic layer, and the end of the axial part is provided with a positioning hook; the outer part of the sealing ring is annular, and the inner part is a U-shaped labyrinth ring cavity, which is equipped with a first outer skeleton, a first inner The casing, the first limit block, the second limit block, the axial seal, the first radial seal and the second radial seal. The outer frame, the second inner shell, the third limit block, the fourth limit block and the third radial seal. The invention integrates the base hydrophobic layer, the axial seal, the radial seal and the labyrinth ring cavity into one body, combined with the injection of sealing grease, and has the advantages of good sealing performance, long service life, less difficulty in disassembly and assembly, and low maintenance cost.

The invention relates to the technical field of phase locking, in particular to a clock-synchronization digital phase-locking method and a device. The method comprises the following steps: firstly, comparing the phases of a reference signal and a feedback signal according to a gliding window; judging that the phase of the feedback signal is a leading phase, a lagging phase or an identical phase relative to the phase of the reference signal; generating an error signal for presenting the three messages; secondly, adjusting the phases of the error signal and the feedback signal and outputting the signals with the adjusted phases as a first output signal; thirdly, processing the first output signal by frequency division, generating the feedback signal, the gliding window for comparing the phases of the reference signal and the feedback signal and the second output signal output to the exterior; and continuing the first step. The technical scheme of the invention occupies less logic units and can rapidly lock up the phases and effectively prevent the feedback signal to approach to the reference signal in a damped oscillation mode.

The invention discloses a double anti-pollution ultrafiltration membrane represented by structural formula (I). The present invention adopts blending membrane technology, introduces hydrophilic-hydrophobic block polymer to improve the anti-pollution performance of membrane matrix; Pollution layer to achieve double anti-pollution effect. The ultrafiltration membrane can reduce the regeneration frequency of the water treatment process to a certain extent, improve production efficiency and reduce the cost of water treatment.

The invention discloses a prescription for treating inflammatory bowel disease and belongs to the field of medicines. The prescription is prepared from lucid ganoderma, salvia miltiorrhiza, tuckahoe, vitamin C, vitamin E, vitamin A and beat-carotene; the lucid ganoderma, the salvia miltiorrhiza and the tuckahoe have effects of enhancing blood supply and oxygen supply of a human body; the vitamin C, the vitamin E, the vitamin A and the beat-carotene have functions of inhibiting the activity of oxygen free radicals, scavenging the oxygen free radicals and protecting human body cells. The prescription disclosed by the invention provides nutrition, oxygen and raw materials for generation, renewal and repair of goblet cells and an intestinal surface mucous layer barrier formed by mucoprotein secreted by the goblet cells; the prescription has significant effects for terminating inflammation, repairing intestinal tissues and constructing a normal intestinal surface mucous layer barrier of the human body, and is an effective prescription for treating the inflammatory bowel disease.