36results about How to "Guaranteed long-term use effect" patented technology

The invention provides a high temperature self-repairing conductive silver adhesive. The high temperature self-repairing conductive silver adhesive is prepared from the following raw constituents by parts: 100 parts of epoxy resin, 10-30 parts of curing agent, 10-40 parts of epoxy diluent, 240-990 parts of silver pieces, 3-20 parts of coupling agent and 5-20 parts of self-repairing microcapsule; wherein the self-repairing microcapsule is composed of the following raw constituents by parts: 100 parts of epoxy resin, 8-20 parts of latent curing agent, 30-60 parts of diluents, 0.5-2.5 parts of emulsifying agent, 500-800 parts of nano silver wires, 5-16 parts of coupling agent, 60-120 parts of capsule wall material, 0.5-2 parts of antifoaming agent and 150-900 parts of deionized water. The invention also provides a preparation method of the high temperature self-repairing conductive silver adhesive. The high temperature self-repairing conductive silver adhesive has the positive effects that the repairing efficiency is high, the repairing effect is expanded on the basis of the original conductive network, crack-conductive network double repairing is realized, and the long-term using effect of the conductive adhesive is guaranteed, the cost is saved, and the reliability and service life of the conductive adhesive in high temperature working environment are improved.

An image forming apparatus includes an image bearing member; a developer carrying member, contactable to the image bearing member, for carrying a developer to a developing position to develop an electrostatic image formed on the image bearing member with the developer; a supplying member for supplying the developer to the developer carrying member, wherein a peripheral speed of the developer carrying member is not less than 1.05 times and not more than 1.20 times a peripheral speed of the image bearing member, and an arithmetic average roughness Ra is not less than 0.20 times and not more than 0.33 times a volume average particle size of the developer, wherein a potential applied to the supplying member is different from a potential applied to the developer carrying member toward a larger potential of a regular charge polarity of the developer.

The invention relates to an inorganic crystal grindstone integrated terrace system and a construction process thereof. The inorganic crystal grindstone integrated terrace system is composed of high-strength cement, a polymer emulsion, anti-crack polypropylene fibres, and a liquid-state water reducer. The construction process for the terrace system comprises the following steps: carrying out base layer treatment, that is, milling and eliminating a concrete surface layer and various coatings containing the surface layer, with a milling depth of 4-6mm; carrying out treatment for detail nodes such as expansion joints, and washing cleaning for a base layer of the ground; coating an interface agent, that is, a component B, on the base layer; laying wear-resistant mortar, that is, a component A, the component B and a component C, of the inorganic crystal grindstone integrated terrace system; spraying a high-quality concrete seal solidification agent; hardening for 7-10 days, then grinding and levelling, supplementarily spraying the concrete seal solidification agent once, and carrying out polishing treatment; and maintaining for 1-2 days. The inorganic crystal grindstone integrated terrace system disclosed by the invention is environment-friendly, low in energy consumption, seamless, anti-impact, and low in cost, and overcomes the defects of low wear resistance, high ageing possibility, shelling and cracking, short life and the like of epoxy terraces; and the inorganic crystal grindstone integrated terrace system has natural anti-leakage and anti-seepage capacities, and the ground is not liable to pollute, thus saving lots of cleaning workers.

An intravenous pacemaker electrode has an electrode tip designed to release a drug, where the drug contains at least one of the active substances sirolimus, paclitaxel, everolimus, fibrin, rapamycin, and tacrolimus.

The invention discloses a rotary knife paper cutting device. The device comprises a clamping and conveying device, a paper cutting roller located on one side of the clamping and conveying device, a paper cutting bottom knife located below the paper cutting roller, a conveying device located on the side, away from the clamping and conveying device, of the paper cutting bottom knife, a lifting device installed at one end of the clamping and conveying device and a first driving device used for driving the clamping and conveying device and the paper cutting roller; and the lifting device can drive the clamping and conveying device to ascend and descend so as to clamp and convey paper, a paper cutting knife of a spiral structure is arranged on the paper cutting roller, the spiral angle of the paper breaking knife is an acute angle, and when the first driving device drives the paper cutting roller to rotate, the paper cutting knife makes contact with the paper cutting bottom knife so as to cut off the paper. According to the rotary knife paper cutting device, the spiral paper cutting knife is adopted, the effect of cutting off paper is achieved in a shearing mode, impact force borne by the paper cutting knife in the paper cutting process is greatly reduced, and therefore the requirement for the strength of the paper cutting knife is reduced, the diameter of the paper cutting knife is reduced, the equipment structure is simplified, and the replacement cost of the paper cutting knife is reduced.

The invention discloses a baffling type water distribution channel for river water quality purification. Three purification pools are sequentially arranged in the water distribution channel, each purification pool is provided with a water inlet and an overflow port, the purification pools are filled with filtering filler, and the water inlet of the water distribution channel, the purification pools and the water outlet are sequentially communicated through diversion wells. And emergent wetland plants can be selectively planted on the surface of the purification tank. Effective space of a river bank is fully utilized, a proper section is selected on the outer side of a natural river channel, the flume is excavated by utilizing terrain height difference to introduce part of river water into the water distribution channel, and the river water flows into the river channel after being subjected to multiple baffling and three-layer filtering purification in the water distribution channel. The effective purification of the river channel water body is realized, and main pollutants in the water body are fully intercepted and removed. Compared with the existing constructed wetland construction technology, the constructed wetland has the advantages of small occupied area, low construction cost, simple construction process, low operation cost, good treatment effect and the like.

The invention discloses silicon oxide coated nano zero-valent iron particles and a preparation method and application thereof. According to the particles, nano zero-valent iron is taken as a core, silicon oxide is taken as a coating layer, and a NaBH4 or KBH4 reducing agent is added into a mixed solution of ferric salt and inorganic silicate in an inert gas atmosphere for one-step reaction, so that the particles are prepared. The preparation method thereof comprises the following steps: adding ferric salt into an inorganic silicate solution, and stirring in an inert gas atmosphere to obtain amixed solution; dropwise adding a reducing agent NaBH4 or KBH4 solution, stirring for reaction in an inert gas atmosphere to obtain a precipitate, separating, cleaning, and drying in vacuum to obtaina product. The silicon oxide coated nano zero-valent iron is prepared through a one-step simple liquid phase reduction method, the process is simple, the raw materials are cheap, easy to obtain, non-toxic and harmless, and the obtained novel nano zero-valent iron particles are good in dispersity, small and uniform in average particle size, high in oxidation resistance and suitable for treating organic wastewater.

The invention relates to the technical field of hydroelectric generation, in particular to a bridge suspension type turbine hydroelectric generation base station which comprises a load-bearing bridge, a power generation element lifting device, a flow monitoring device, a power generation element, an underwater fixing device, a power generation element protection shell and an electric energy collecting device. The load-bearing bridge is built on both sides of a river, the power generation element protection shell is welded to the center of a bridge deck, the underwater fixing device is installed in a bridge deck cavity and connected with the waterproof closed shell welded to the center of the bridge deck, the power generation element lifting device is fixed to the upper portion in the protection shell, and the generators are protected in the waterproof closed shell and fixed to the two sides of the load-bearing bridge. The load-bearing structure is connected with the lifting system through a rope, and the flow monitoring devices are fixed to the two sides of the generator protection shell. The power generation system is convenient to maintain and capable of fully utilizing the river water head to generate power, and has the advantages of being wide in application range, convenient to maintain, capable of guaranteeing strength, low in cost, high in power generation efficiency and environmentally friendly.

The invention discloses an air supply self-exhaust household kitchen ventilator. The air supply self-exhaust household kitchen ventilator comprises an air blowing device, a smoke extraction device and a smoke collecting hood device; the smoke extraction device is composed of an air blowing channel, a smoke extraction channel and a smoke inlet channel, wherein the air blowing channel and the smoke extraction channel are arranged horizontally, and the smoke inlet channel with a connection angle is vertically arranged; a smoke inlet is located in the bottommost end of the smoke inlet channel, and a smoke collecting hood is arranged at the smoke inlet; one end of the smoke extraction channel is connected to the air blowing device, and the other end of the smoke extraction channel penetrates through a wall and extends out of the wall; and the air blowing device is composed of an air blowing channel, a control interface and an air blowing motor. According to the novel air supply self-exhaust household kitchen ventilator, airflow is generated by the air blowing device blowing air to the smoke extraction channel through the air blowing channel, and then updraft generated in the smoke inlet channel drives oily fume to rise and is exhausted out of the wall along the smoke extraction channel. Due to the fact that the oily fume does not pass through the motor and a wind wheel in the exhausting process of the oily fume, the motor and the wind wheel cannot be contaminated by greasy dirt, the long-term application performance of the air blowing device is guaranteed, and the service life is prolonged. The novel air supply self-exhaust household kitchen ventilator is smooth in design structure, and noise in the working process is reduced dramatically. The split-type structural design is beneficial for later washing and maintenance.

The invention discloses a method for controlling bottom mud siltation after dredge, belonging to the technical field of ecological restoration of polluted water bodies. With zeolite covering and bentonic organism sludge reduction function as core, the method disclosed by the invention is used for controlling the release of source pollution in the bottom mud by throwing zeolite to perfect the self-purification function of the water body and reduce the deposit rate of the bottom mud; the bentonic organism ingests and mineralizes the bottom mud to reduce the newly deposited bottom mud, and self-regeneration of biosorption and degradation effects of zeolite on the bottom mud pollutants is realized at the same time. Only one zeolite throwing device is added on a dredger and bentonic organism is placed on the zeolite, thereby having the advantages of being simple to operate, low in operation cost, low in energy consumption, ecological, environment-friendly, long in control effect effectiveness, and convenient to execute and apply in large scale.

The invention discloses environment-friendly interior wall latex paint which is prepared from the following components in parts by weight: 25 to 30 parts of water, 35 to 40 parts of formaldehyde-removing emulsion, 0.8 to 1.2 parts of dispersing agent, 0.2 to 0.5 part of wetting agent, 1 to 1.5 parts of cellulose, 25 to 30 parts of titanium dioxide, 10 to 15 parts of filler, 0.3 to 0.5 part of sterilizing agent, 0.3 to 0.5 part of mildew preventive, 1 to 1.5 parts of defoaming agent, 1.2 to 1.5 parts of thickening agent and 5 to 8 parts of Youchuang. The formaldehyde removing material is a mixture of formaldehyde removing emulsion CM6200, nano TiO2 powder and biological formaldehyde removing mold, and the weight ratio of the CM6200 to the nano TiO2 powder to the biological formaldehyde removing mold is 37:2:1; then the CM6200, the nano-powder and the biological formaldehyde removing mold are mixed to prepare the formaldehyde removing emulsion, and the adding proportion of the three components is controlled, so that the formaldehyde removing rate of the emulsion is ensured, the environment-friendly performance of the emulsion paint is improved, and the use safety is further ensured.

The invention belongs to the technical field of lubricants, and particularly relates to a preparation method of a corrosion-resistant sliding bearing lubricant for a magnetic drive pump. The lubricantprepared by the preparation method disclosed by the invention has the characteristics of high temperature resistance, strong adhesive force, good chemical stability, no toxicity, no odor and the like, has a good lubricating effect when being used for a corrosion-resistant sliding bearing for a magnetic drive pump, and has an anti-rust function to a certain extent. The lubricant has excellent high-speed resistance, water resistance and corrosion resistance, can be used for high-speed and high-load sliding of a corrosion-resistant sliding bearing for a magnetic drive pump in contact with corrosive substances at high temperature and lubrication of a rolling bearing, and has excellent ageing resistance, water and steam resistance, acid and alkaline liquid resistance and the like.

The invention provides a circuit breaker trolley operating connector with a stop control function. The circuit breaker trolley operating connector comprises a connection sleeve, a driving shaft and anintermediate mechanism, wherein a partition plate is arranged at a middle part of the connection sleeve, the connection sleeve is partitioned into an upper accommodating cavity and a lower accommodating cavity, the driving shaft is matched with the upper accommodating cavity, a circuit breaker trolley is matched with the lower accommodating cavity, the driving shaft comprises an upper driving shaft and an extension shaft, an intermediate mechanism installation hole is formed in a middle part of the upper driving shaft, the intermediate mechanism is arranged on the intermediate mechanism installation hole, an operation tool installation hole is formed in an upper end of the upper driving shaft, an electric operation tool is abutted with the operation tool installation hole, the intermediate mechanism comprises an intermediate mechanism base, a position control steel ball, a direction control claw and a position control three-connection plate, and the position control steel ball is provided with an elastic baffle piece. The circuit breaker trolley operating connector is simple in structure and reasonable in design, can be abutted with the electric operation tool, is suitable for shake-in and shake-out maintenance operation of various types of 10kV circuit breaker trolleys, has high universality and is good in operation effect and high in efficiency.