31results about How to "Overcoming damage" patented technology

The invention discloses a photocuring and thermocuring conductive adhesive, which is prepared by mixing photosensitive high polymer, diluent monomer, conducting particles, photoinitiator, polymerization inhibitor, epoxy resin, epoxy active diluting agent, latent curing agent and latent promoting agent, grinding the mixture, and stirring and dispersing in a planetary manner. The curing temperature of the product is low, and deep curing can be realized; after being cured, the adhesive has high adhesiveness and high solvent resistance; and the adhering strength is high, the resistivity is low, and the requirements of microelectronic packaging technique for LED chips, liquid crystal materials, glass substrates, thin film circuits, PCB circuit boards and the like can be met.

The present invention disclosed a liquid acidifier and making method. The present invention comprises organic acids and relevant soluble salts. After the organic acids and the relevant soluble salts are treated by the following procedures of heating, melting, mixing, removing bacteria, filtrating and so on, the liquid acidifier is made. The content of organic acids is over 70percent, which can reduce the pH value of drinking water and intestine, can prevent the harmful flora, can restrain the growth of the salmonella, at the same time can improve the stress ability of the animals, can reduce the death rate and promote the growth rate, and can enhance the absorption rate and conversion of feed. The present invention provides a new idea for developing a compound acidifier.

The invention provides an efficient and low-cost preparing method for a large-area graphical sapphire substrate, which includes the following steps: step A, coating PDMS (polydimethylsiloxane) diluted by methylbenzene in a grating structured graph hard template in a spinning manner; step B, coating a PDMS prepolymer with the PDMS diluted by methylbenzene; step C, demoulding, and obtaining a PDMS soft embossing template; step D, performing metallic aluminium film magnetron sputtering to one surface of a sapphire substrate; step E, demoulding, and obtaining an ultraviolet curing glue graph; step F, taking the graphic ultraviolet curing glue on the metallic aluminium film as a mask; step G, performing low-temperature thermal treatment, and completely oxidizing the graphic metallic aluminium film to form a graphic polycrystal Al2O3 film; step H, performing high-temperature thermal treatment to the obtained graphic polycrystal Al2O3 film, and obtaining the graphical sapphire substrate. The graphical sapphire substrate for epitaxial growth of nitride, obtained through adopting the method, has the advantages that the process is simple and feasible, the production efficiency is high, the cost is low and the area is big.

The invention discloses an electrocardiogram monitoring chest belt with a motion artifact inhibition function. The chest belt takes a flexible high-elasticity fabric as a base layer, two flexible fabric electrocardiograph dry electrodes, two pairs of auxiliary dry electrodes and a reference electrode are fixed on the base layer, the two flexible fabric electrocardiograph dry electrodes are horizontally distributed in the middle of the base layer, each pair of dry electrodes include upper auxiliary dry electrodes and lower auxiliary dry electrodes, the upper auxiliary dry electrodes and the lower auxiliary dry electrodes are symmetrically distributed on the upper side and the lower side of each flexible fabric electrocardiograph dry electrode, the two upper auxiliary dry electrodes are connected by the aid of a fiber resistor, the reference electrode is positioned at horizontal center between the two flexible fabric electrocardiograph dry electrodes, signal lines of each electrode penetrate the base layer and are connected with a signal processing module fixed on the other side of the base layer, the signal processing module is used for receiving signals of the electrodes and processing the signals to obtain electrocardiogram signals, and special woven seamless pressure adhesive is hollowed according to the shapes of the electrodes and adhered with the base layer to serve as aninsulation shielding layer. By the aid of the chest belt, motion artifacts can be effectively inhibited.

The invention provides a high-temperature- and high-voltage-resistant high-insulating-property ignition cable, and aims to provide an electromagnetic shielding ignition cable which has strong adaptability to severe environment, small in electromagnetic leakage, high in medium insulation strength and low in transmission loss, can shield stray radiation of ignition energy, can reach high insulation of 20kV in direct current withstand voltage, and can achieve shielding effectiveness of above 50dB. The ignition cable is realized through the following technical scheme: a nickel-core conductor penetrates through an inner-layer insulator, a glass fiber which serves as one of the insulators wraps the nickel-core conductor, the insulator passes through a middle layer corrugated metal hose whose outer layer has a mesh sleeve woven and is wrapped between the nickel-core conductor and the corrugated metal hose, alumina powder is filled in an inner gap between an outer surface of the glass fiber that penetrates into an inner wall of the corrugated metal hose and an inner surface of the corrugated metal hose, and an outer layer shielding body has the metal stainless steel mesh sleeve woven. The high-temperature- and high-voltage-resistant high-insulating-property ignition cable overcomes the defects that a traditional ceramic insulator cable is poor in bending performance, high-altitude performance and anti-mechanical vibration capability and electromagnetic leakage cannot be avoided.

The invention relates to a biological instrument pipeline cleaning liquid capable of dissolving and removing protein molecules attached on a pipeline inner wall and a preparation method thereof. The biological instrument pipeline cleaning liquid comprises the components by the mass percentage: 0.5%-1% of tris(hydroxymethyl)aminomethane (Tris) as a component I, 0.2%-0.5% of beta-cyclodextrin as a component II, 0.2%-0.5% of epsilon-polylysine as a component III, 0.5%-1% of sodium deoxycholate as a component IV, and 97%-98.6% of purified water as a solvent and as a component V. The biological instrument pipeline cleaning liquid has the advantages: firstly, the cleaning liquid has obvious cleaning effect on protein residues in plastic, ceramic, metal and glass pipelines, the pipeline inner surface is not hung with water drops and has no liquid residues after cleaning, and influence cannot be caused on subsequent pipeline use; secondly, the cleaning liquid has no corrosion to the plastic, ceramic, metal and glass pipelines, and overcomes the damage on the pipeline inner wall through acid and alkali cleaning and other traditional methods; thirdly, the cleaning liquid is safe to use and harmless to human body surface, and has no operational risks; and fourthly, the cleaning liquid is not confined to cleaning of interiors of pipelines made of all kinds of materials, and also can be used for cleaning of various hard surfaces.

The invention provides a home cat cleaning device based on mobile phone APP control. The home cat cleaning device based on the mobile phone APP control comprises a cage, and further comprises a body cleaning assembly and a drying assembly, wherein the top of the cage is open; a door plate is arranged on the front side of the cage; a circular through hole is formed in the middle of the door plate; a rubber door curtain is arranged on the circular through hole; a partition board is arranged on the back side of the cage; a water heater and a fan are arranged on the outer side of the partition board; a guide rail is erected between the door plate and the partition board; a small rail trolley is arranged on the guide rail; the body cleaning assembly and the drying assembly are arranged below the small rail trolley. The home cat cleaning device based on the mobile phone APP control can quickly clean a pet cat, and can directly carry out positioning drying operation after the pet cat is cleaned.

The invention discloses an embedded wiring box type BIPV (building integrated photovoltaics) layered hollow glass curtain wall structure which comprises a photovoltaic solar battery layer, a rear glass and a wiring box, wherein the rear glass is arranged at the rear side of the photovoltaic solar battery layer; a space interlayer is arranged at the front side of the rear glass; dividing bars are arranged at the periphery of the space interlayer; poured adhesive tapes are arranged at the outer sides of the division bars; the wiring box which is connected with the photovoltaic solar battery layer is inlaid at the inner sides of the poured adhesive tapes; the wiring box is connected with a socket; and a plughole on the socket faces toward the side of the glass curtain wall. As the wiring box and a lead wire connected with the photovoltaic solar battery layer are arranged at the inner side of a glass curtain wall component and no connecting parts are arranged the outer side, the glass curtain wall structure is convenient to pack and transport; and when the curtain wall structure is installed on a building, the wiring box can not be damaged, thereby overcoming the phenomenon that the wiring box in the prior art is often damaged and relatively reducing the cost.

The invention discloses an erosion-resistant normally-open type inner blowout prevention valve which comprises a valve body and further comprises an upper valve seat and a lower valve seat which are fixed in the valve body, a sliding sleeve arranged in the upper valve seat in a sliding fit mode and a valve element fixed to the lower portion of the sliding sleeve. A first elastic piece is arranged between the top of the sliding sleeve and the top face in the upper valve seat, a second elastic piece is arranged between the bottom of the valve element and the top of the lower valve seat, a plurality of drainage channels are formed in the side wall of the sliding sleeve, a first sealing face is arranged at the bottom of the inner side wall of the upper valve seat, and a second sealing face matched with the first sealing face is arranged on the outer wall of the valve element. The second sealing surface is positioned below the drainage channel; when no external force exists, the first sealing face does not make contact with the second sealing face. One of the technical problems solved by the invention is that the sealing surface of the existing inner blowout prevention valve is easy to damage and lose efficacy, and the aims of reducing the erosion degree of the sealing surface and prolonging the service life of the inner blowout prevention valve are fulfilled on the premise of ensuring the normally open work of the inner blowout prevention valve.

The invention discloses a thermal insulation and decoration integrated board which comprises a thermal insulation layer and a facing layer. The facing layer is provided with supporting grooves and step grooves. By the application of the thermal insulation and decoration integrated board, the structure of an external thermal insulation system can be more simplified, production and construction cost can be lower, the connection strength with a wall base can be higher, installation and construction can be convenient and fast, the internal and external cold and hot bridge phenomenon can be small, and the waterproof effect can be good. The invention further discloses the external thermal insulation system and a construction method of the external thermal insulation system.

The present invention provides for a network interface for wireless communications involving a mobile terminal (28), the interface comprising a layered protocol structure, including an Internet protocol responsive link layer (40, 52) arranged to be matched to the wireless link.

The invention discloses a roughening knife and a method for manufacturing an orange-peel-shaped rubber roller, and belongs to the field of turning of rubber rollers. The roughening knife comprises a knife handle and a cutting part. The cutting part is located at one end of the knife handle and comprises a front knife face, a main cutting blade and a main rear knife face. The included angle betweenthe front knife face and the horizontal plane where the knife handle is located is alpha. An intersecting line between the front knife face and the main rear knife face is the main cutting blade, andthe main cutting blade is in an arc shape. The main rear knife face is an arc face. The included angle between the main rear knife face and the horizontal plane where the knife handle is located is beta. By adoption of the roughening knife, orange-peel-shaped rubber rollers with different concave-convex degrees or different densities can be manufactured without damaging the surfaces of the rubberrollers.

The invention provides a lifting device which comprises a seat plate, a first ribbed plate which is mounted on the seat plate and is fixedly connected with the seat plate, and a lifting plate mounted on the seat plate, wherein a supporting slot is formed in the middle upper part of the lifting plate, and a side beam of a wagon is transversely arranged in the supporting slot; a lifting hole is formed in the middle lower part of the lifting plate, and a shackle can pass through the lifting hole to lift the wagon; the lifting plate is fixedly connected with the seat plate; the first ribbed plate and the lifting plate are distributed on the seat plate in an adjacent manner and are respectively used for supporting the side beam of the wagon, and the lifting part of the side beam is stressed in balance. According to the lifting device, the technical defects of damage to and deformation of a steering frame and damage to lower components of a wagon body, which are caused by a fact that a lifting hook is used for directly hooking the steering frame or a lifting band directly bypasses the downside of the wagon to hold the wagon body, are overcome.

The invention discloses a guinea pig partial drug applying (exposure) fixing band adaptive to the fields of pharmacology, toxicology, basic medicine, veterinary medicine and the like. The band is characterized in being made of an elastic band with the length ranging from 20 to 25cm and the width ranging from 4 to 6cm. Bonding bands are arranged at two ends of a band body. The elastic band can be a machinery woven elastic band, knitted elastic belt or woven elastic band with optional colors and patterns. When pharmacodynamics and toxicology study of the drug (such as transdermal absorbent) applied partially is tested, a guinea pig can be fixed conveniently, safely, effectively and easily, drug dropping, scratching and biting of the position with the drug applied by the animal and contamination of the position with the drug applied by the environment can be avoided, the complete absorption of the drug can be guaranteed, the disadvantages of damage and inconvenience in action caused by conventional fixation are overcome, the accuracy of experimental result is improved, difficulty in experiments is lowered, all materials are convenient to wash and disinfect, and the band is durable and reusable.

The invention relates to a double-helix planar waveguide magnetic field sensor and a manufacturing method thereof, and belongs to the field of planar optical waveguides. A two-photon femtosecond laser direct writing technology is adopted, a 3D printing model is established according to the refractive index of materials and the geometrical shape of a disc-shaped waveguide structure, the cross section of a double-spiral planar waveguide structure is rectangular, a first material is printed on a glass substrate to serve as a right rectangle in the rectangular cross section. The length of the part in contact with the glass substrate is half of the height, the redundant material is cleaned after printing is finished, a second material with a rectangular section on the left side is printed by using the two-photon laser direct writing device again, and the redundant material is cleaned after printing is finished. Compared with an existing magnetic field sensor, the double-helix planar waveguide magnetic field sensor and the manufacturing method thereof have the advantages of being easy to operate, high in speed, high in precision, high in success rate and the like, and have good application prospects in the field of magnetic field measurement.

The invention discloses a locomotive main generator delivery supporting device, and belongs to the technical field of locomotive generator delivery assistance devices. The invention mainly solves theproblem that a bearing of the locomotive main generator is damaged due to rotor movement and rotor inclination when the existing locomotive main generator is delivered. The delivery supporting deviceis mainly characterized by comprising delivery supporting device check blocks, channel steel, first bolts, a first gasket, second bolts and a second gasket, wherein the number of the delivery supporting device check blocks is two, the two delivery supporting device check blocks are arranged at the two ends of the interior of a groove of the channel steel respectively; the number of the first boltsis two, the two first bolts are arranged on the inner sides of the delivery supporting device check blocks at the two ends of the channel steel respectively; and the number of the second bolts is two, and the two second bolts are respectively arranged in the middle of the channel steel. The locomotive main generator delivery device is installed on an engine base at the non-bearing end of the locomotive main generator and an end face hole of a rotor flange, and the problem that the bearing of the locomotive main generator is damaged due to rotor movement and rotor inclination is eliminated inthe delivery process.

The invention discloses a method of non-destructive testing of a peak value voltage of an infrared detector. The method includes the following steps: till a voltage of a universal meter is displayed to be 5+/-0.5V, recording reading of the universal meter and reading of a picoammeter at the moment, the readings being a first voltage V1 and a first current I1 respectively, and obtaining a first resistance R1 on the basis of the first voltage V1 and the first current I1; if the voltage of the universal meter is displayed to be above 30V, reducing an incremental step length of a DC power supply voltage to be 1V-3V, keeping recording the reading of the universal meter and the reading of the picoammeter, and obtaining in real time a resistance value R2' on the basis of the reading of the universal meter and the reading of the picoammeter; if R1/R2' equals 1.8-2.1, stopping increases of the DC power supply voltage and recording the reading of the universal meter and the reading of the picoammeter at the moment, the readings being a second voltage V2 and a second current I2 respectively, and obtaining a second resistance R2; obtaining a thermal resistance impedance Z of a sensitive element wafer of an infrared detector; and obtaining a peak value voltage VP of the sensitive element wafer of the infrared detector. The method solves the problem that the sensitive element wafer of the infrared detector is liable to be damaged.

The invention discloses a self-repairing high-temperature-resistant polyurethane elastomer as well as a preparation method and application thereof. The self-repairing high-temperature-resistant polyurethane elastomer is self-repaired by utilizing multiple reversible crosslinking effects of a disulfide bond, a hydrogen bond, a coordination bond and an ionic bond; the polyurethane elastomer is prepared from the following raw materials in parts by mass: 55 to 65 parts of polytetramethylene ether glycol, 20 to 30 parts of 4, 4 diphenylmethane diisocyanate, 20 to 25 parts of hexamethylene diisocyanate, 2 to 4 parts of 3, 3 '-dithiobis (propionyl hydrazide), 1 to 2 parts of 1-(2-aminoethyl) imidazoline-2-ketone, 0.2 to 0.4 part of ferric chloride, 0.2 to 0.4 part of copper chloride, 20 to 30 parts of acetone, 9 to 18 parts of a chain extender, 0.2 to 0.3 part of a catalyst and 1 to 15 parts of modified polymer powder. The prepared self-repairing high-temperature-resistant polyurethane elastomer does not need external stimulation, can achieve the self-repairing function even under the conditions of normal pressure and normal temperature, effectively solves the problems of damage, deformation and abrasion caused by internal energy conversion when a polyurethane piston works, and has the advantages of being high in hardness, resistant to abrasion, resistant to high temperature, resistant to high pressure and the like.

The invention belongs to the technical field of measuring equipment, and discloses an anti-dragging device of a side-scanning sonar instrument. The anti-dragging device is provided with a bottom protection bracket, a front-end anti-dragging protection bracket welded and mounted at the front end of the bottom protection bracket, front-end fixing rods symmetrically welded and mounted in the middle of the front end anti-dragging protection bracket, and rear-end fixing rods symmetrically welded at the rear end of the bottom protection bracket. A towfish of the side-scanning sonar instrument is fixed at the upper end of the bottom protection bracket, the lower side and the front side of the towfish can be protected through the bottom protection bracket and the front-end anti-dragging protectionbracket, damage of a sea surface culture raft frame and ropes to the towfish of the side-scanning sonar instrument during work of present equipment in a raft type culture area is overcome, it is guaranteed that the equipment smoothly passes the culture sea area, and the working efficiency of ocean sounding is improved.

The invention discloses an automatic horizontal pull type magnetic soft screen door. The magnetic soft screen door comprises a soft screen door body, a top edge fixing assembly for fixing the top edgeof the soft screen door body, and a side edge fixing assembly for fixing a first side edge of the soft screen door body; the top edge and the first side edge of the soft screen door body are providedwith fixing strips, and a second side edge of the soft screen door body is provided with a magnetic strip. Compared with the prior art, the magnetic soft screen door solves the technical problem thata wooden door is easily damaged or marks are difficult to remove in the prior art; meanwhile, the way of automatically pulling the soft screen door open improves the product grade, enriches the product line of a company and meets the demands of domestic and foreign users; the development of a differentiated competition route brings greater commercial interests.

The invention relates to a device for clamping flexible pressure plates by means of lifting elements (39, 40) which are in the form of a knee lifting drive and arranged in a manner parallel to an axison a lower rail (43). In order to improve the clamping effect, the lower rail (43) is mounted so that it can be moved linearly and radially with respect to the plate cylinder (1) and with respect toan upper rail (44). One or more spring elements (47) acting upon the lifting elements (39, 40) are provided for moving the lower rail into a clamping position by displacing the lifting element (39, 40) into a working position. One or more expandable pneumatic or hydraulic elements (50) for moving the lower rail (43) into an open position by moving the lifting elements (39, 40) from the working position are provided.

The invention relates to the field of materials, in particular to a preparation technical method of an epoxy resin composite. The method comprises the following specific steps: (1) preparing a glue solution containing epoxy resin and glass fiber; (2) preparing a rubber-containing first component; (3) drying the glue solution in step (1), adding a coupling agent, and performing rolling to obtain asecond component; obtaining the composite from the first component and the second component with mixing and vulcanization technologies. The surface composite obtained from the first component formed by the epoxy resin and the glass fiber and the second component formed by rubber through mixing has higher elasticity and has comfort during running, and injury of knees due to the fact that a user runs on a hard material is avoided.

The invention discloses a method for a cholate-metal ion composite modified whole cell and an application of the cholate-metal ion composite modified whole cell. The method comprises the following steps: preparing a metal ion solution of 100mmol/L to 600mmol/L, and subjecting the metal ion solution to stirring and mixing with a Tris-Hcl resuspended strain cell solution with a pH of 7.1 to 8.0 anda concentration of 0.1mol/L, so as to obtain a mixed solution A; preparing an aqueous surfactant solution of 50mmol/L to 300mmol/L, and dropwise adding the aqueous surfactant solution into the mixed solution A until the solution is turbid at a dropwise adding rate of 5 microliters per second to 20 microliters per second with stirring at room temperature, so as to obtain a mixed solution B; and subjecting the mixed solution B to centrifugation so as to obtain precipitates, and flushing the precipitates for 1 to 3 times with Tris-Hcl with a pH of 7.1 to 8.0 and a concentration of 0.05mol/L to wash away unreacted ingredients, thereby obtaining the cholate-metal ion composite modified whole cell. According to the method, the cholate-metal ion composite modified whole cell is prepared by adopting an aqueous-phase solution mixed method, the operation is simple, the conditions are moderate, the synthesis is rapid, the cost is low, the cell stability is high, the intracellular enzyme catalysisefficiency is high, and the cholate-metal ion composite modified whole cell has biological and physical catalytic activity.

The invention relates to a local drug application (contamination) restraint strap for minipigs and is applicable to the fields of pharmacology, toxicology, preclinical medicine, veterinary medicine and the like. The strap comprises a main body 1, a neck sleeve 2, a neck sleeve strap 3 and two fixing straps 4, wherein the main body is made of eyelet fabric with length*width=18-28cm*18-28cm, and overlocked multilayer gauze 6 fixed with white strips 5 is arranged on the main body 1; two ends of eyelet fabric with length*width=14-18cm*4-8cm are sewn on one side of the main body 1 to form the neck sleeve hole with length*width=7-9cm*4-8cm; the neck sleeve strap 3 is made of an elastic band 40-50cm in length, and adhesive tapes 7 capable of adhering to each other are arranged on two sides of the neck sleeve strap 3 respectively; the fixing straps 4 are made of elastic bands, each fixing strap 4 is of the size that length*width=25-30cm*1-3cm, and one end of each fixing strap 4 is fixed to one side of the back of the main body 1 while the other end of the same is provided with an adhesive tape 7. The local drug application (contamination) restraint strap for minipigs is simple in structure and easy to operate, the defects of injury, inconvenience in movement and the like caused by conventional restrain are overcome, accuracy in experimental results is improved, and difficulty in experiment is lowered.