35results about How to "Decrease decay rate" patented technology

The invention discloses a pixel circuit, a driving method thereof and a display device, relates to the technical field of display, and aims to compensate for threshold voltage drift of a TFT (thin film transistor), improve uniformity of display lighting of the display device and prolong service life of the display device. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first storage capacitor, a second storage capacitor and a light emitting device. The pixel circuit, the driving method thereof and the display device are applied to manufacturing of display panels.

The invention relates to a wireless electric energy transmission device based on two polar plate virtual ground structures by utilizing capacitive coupling. On the basis of analysis on advantages and disadvantages of a typical capacitor electric transmission circuit model, a novel capacitor electric transmission circuit model is designed, and the pair of polar plate capacitors and two conductors are additionally arranged. A high-frequency oscillation system generates high-frequency voltage at the junction of one of the capacitors and an inductor in a resonance state, an induction current is generated by connecting the high-frequency voltage onto the polar plate capacitors, and transfer of capacitance between the polar plate capacitors is realized. Compared with inductive electric transmission, the device has the advantages that the structure is simple, and efficiency attenuation is slower along with extension of distance. Compared with a traditional capacitor electric transmission structure, the advantages of reduction of working frequency and high transmission efficiency can be achieved under remote electric transmission. Through the device, the limitation that inductive electric transmission has requirements for surroundings is well avoided, and the device is more suitable for the situation that surroundings have high metal content, for example, wireless charging of electric cars, mobile phones and tablet computers.

The invention discloses a graphene composite material, and a preparation method and an application thereof as a positive electrode material. The graphene composite material is formed by compositing graphene with 1,6,7,12,13,18-hexaazatrinaphthylene, wherein the mass of graphene accounts for 10%-30% of the total mass of the graphene composite material. The preparation method of the graphene composite material comprises a graphene and 1,6,7,12,13,18-hexaazatrinaphthylene obtaining step and a ball milling and mixing step. The graphene composite material has higher capacity; and because 1,6,7,12,13,18-hexaazatrinaphthylene has a large molecular system, the graphene composite material is not easy to dissolve in an electrolyte solution in a process of charge and discharge, so as to increase the positive electrode life. The preparation method has the advantages of simple process and easily controlled production conditions, effectively reduces the production cost, improves the production efficiency, and is suitable for industrialized production.

Belonging to the technical field of material chemistry, the invention relates to a packaging adhesive for an infrared LED chip, a preparation method and application thereof. The packaging adhesive is composed of a component A and a component B, the component A is prepared from the following raw materials: epoxy resin, an active diluent and an assistant, and the component B is prepared from the following raw materials: acid anhydride, a modifier, an accelerant, an antioxidant, an ultraviolet absorbent, and a solvent. The packaging adhesive for an infrared LED chip can reach the effects of lowering the luminous decay of infrared LED and the decay rate, and can be widely applied in packaging of infrared LED chips.

The invention discloses a central fresh-air device with a function of increasing anions. The central fresh-air device comprises an outdoor air inlet for pumping outdoor fresh air, an indoor air outlet for pumping indoor vitiated air, an outdoor air outlet for discharging the indoor vitiated air out of a room and an indoor fresh air inlet for conveying fresh air into the room. A point discharge anion generator is arranged inside the indoor fresh air inlet and is provided with an upper electric discharging point and a lower electric discharging point, the upper electric discharging point and the lower electric discharging point are oppositely arranged on the upper side and the lower side of an air channel of the indoor fresh air inlet respectively, a horizontal zero potential current-conducting plate is further arranged between the upper electric discharging point and the lower electric discharging point and grounded. According to the central fresh-air device with the function of increasing the anions, the decay rate of the anions in the fresh air can be lowered, so that the anions in the air can be retained for a long time.

The invention relates to the field of fertilizers, and especially relates to a humic acid composition and an application thereof. The humic acid composition comprises fulvic acid, hymatomalenic acid, and pyrotomalenic acid; wherein the total amount of humic acid accounts for 25-55 parts by weight of the humic acid composition, the amount of fulvic acid accounts for 85-98wt% of the total amount of humic acid, and the content of phenolic hydroxyl groups in total humic acid is 0.76-2.42mmol/g. The humic acid composition has a high content of fulvic acid whose molecular weight is low and content of active functional groups is high, the content of the active group phenolic hydroxyl group is high in order to obviously promote germination effects of seeds; the composition can directly provide organic energy for soil microorganisms, improve crop plant nutrition and rhizosphere soil environment, promote proliferation of microorganisms, and delay decay rate of soil microorganisms, so that vigorous life activities of the soil microorganisms can be kept for a long time, and growth and development of crops are promoted.

The invention discloses a poria cocos jelly with aging delaying effect and a preparation method thereof, and relates to the technical field of preparation of poria cocos jelly. The poria cocos jelly is prepared from the following raw materials in parts by weight: 25 to 30 parts of poria cocos, 18 to 23 parts of radix polygoni multiflori, 20 to 25 parts of radix bupleuri, 22 to 27 parts of fructusschisandrae chinensis, 8 to 12 parts of semen coicis, 17 to 22 parts of herba ecliptae prostrate, 6 to 10 parts of mulberry fruit, 15 to 20 parts of herba dendrobii, and 5 to 8 parts of honey. The poria cocos jelly has the advantages that the poria cocos jelly is prepared from multiple types of natural plant medicines; the functional ingredients of saponin, lactone, flavone, active polysaccharides, amino acids and the like in the fructus schisandrae chinensis, the herba ecliptae prostrate, the herba dendrobii, the radix bupleuri, the radix polygoni multiflori and other raw materials are extracted by a water extracting method, then the semen coicis powder, the poria cocos powder, the mulberry fruit powder and the like are added into an extracting solution to mix and decoct, and the honey isused for flavoring; the prepared poria cocos jelly is used for clearing free radicals produced by metabolism of the human body, adjusting the internal secretion, improving the content of hormone, andreducing blood fat, blood lipid and blood glucose, the self-immunity function is enhanced, the aging rate of skins and organs is relieved, and the aging of the human body is delayed; the mouth feel of the poria cocos jelly is good, and the discomfort and any side effect are avoided even if the poria cocos jelly is taken for a long time.

The invention relates to the field of fertilizer, in particular to a humic acid composition and application thereof. The humic acid composition is prepared from fulvic acid, ulmic acid and humic acid, wherein the amount of total humic acid in the humic acid composition is 30-60 parts by weight, and the mass ratio of fulvic acid to ulmic acid is (2-4):1. Experiments show that components of the humic acid composition are reasonable in proportioning and can promote one another, improve the fertilizer efficiency, help one another and complement one another, so that the nutrient releasing speed of the humic acid composition and the nutrient absorbing rule of crops have the high synchronicity; the humic acid composition can directly supply organic energy to soil microorganisms, promote breeding of the microorganisms by improving the plant nutrient and the root soil environment of the crops and delay the decay rate of the soil microorganisms, therefore, the soil microorganisms can keep vigorous vital activities for a long term, and then growth and development of the crops are promoted.

The invention discloses a denitrification system and a replacement method of catalyst layers thereof. The replacement method comprises the following steps: S10: in an SCR (selective catalytic reduction) reactor, sequentially arranging a first mounting position, a second mounting position and a third mounting position for mounting the catalyst layer in the flow direction of flue gas; S20: mounting the catalyst layers on the first mounting position and the second mounting position, and emptying the third mounting position; S30: monitoring outlet flue gas; S40: if the outlet flue gas is not up to standard, detaching the catalyst layer on the first mounting position and mounting the catalyst layer on the third mounting position; S50: monitoring outlet flue gas; S60: if the outlet flue gas is not up to standard, detaching the catalyst layer on the second mounting position and mounting the catalyst layer on the first mounting position; S70: monitoring outlet flue gas; S80: if the outlet flue gas is not up to standard, detaching the catalyst layer on the third mounting position, mounting the catalyst layer on the second mounting position and executing the step S30. By the replacement method, a nitrogen oxide emission index is met, the internal resistance of the system is reduced, dust accumulation in the reactor and corrosion to downstream equipment are reduced, and the catalyst replacing expense is reduced.

The invention relates to a flume-type magnetic shielding structure and a flat coil radio energy transmission system including the same. The water tank type magnetic shielding structure comprises a primary side shielding plate and a secondary side shielding plate. The primary side shielding plate comprises a bottom plate part and a side plate part. The bottom plate part is a flat panel with a hollow out, and the side plate part is arranged around the edge of the bottom plate part. The bottom plate and the side plate part form a water tank structure. The side plate portion comprises a side stripplate and an adjustable telescopic plate arranged in order from the bottom plate portion upward, the side strip plate is vertically connected with the bottom plate portion, and the adjustable telescopic plate and the bottom plate portion are inclined at an angle. As compare with that prior art, the invention significantly reduces the attenuation rate of the magnetic field between the primary coiland the secondary coil by hollowing out the center of the bottom plate; The lateral strip plate can restrict the transverse stray magnetic field of the system and reduce the magnetic leakage in the horizontal direction of the system. Adjustable telescopic plate can further limit the transverse stray magnetic field of the system, increase the magnetic coupling of the system, and further reduce themagnetic leakage in the horizontal direction of the system.

The invention discloses an intelligent robot device for garbage sorting. The intelligent robot device comprises a carrying box, a first connecting plate arranged on the side wall of the carrying box and a top plate arranged on the first connecting plate, wherein a plurality of garbage cans are arranged in the carrying box; an intelligent voice module is arranged on the first connecting plate; a plurality of indicating lamps which correspond to the multiple garbage cans are arranged on the first connecting plate; a first cavity is arranged on the top plate; a second cavity which communicates with the first cavity is arranged on the first connecting plate; the bottom of the carrying box is provided with a third cavity; the bottom of the second cavity is provided with two groups of first through cavities which communicate with the third cavity; the first through cavities are separately arranged at the two sides of the second cavity; a movable block is arranged in the third cavity; and a scraping plate is arranged on the movable block.

The invention discloses a marine large-flow drinking water tail end purification system. The system comprises a raw water pipeline, an activated carbon filter, a precision filter, an ultraviolet sterilizer and a purified water outlet pipeline which are sequentially communicated, the raw water pipeline is communicated with the top of the precision filter through a first backwashing pipeline, and the bottom of the precision filter is communicated with a deslagging and discharging port through a second backwashing pipeline; a fourth electromagnetic valve, a second electromagnetic valve, a first electromagnetic valve and a third electromagnetic valve are sequentially and correspondingly arranged on a first pipeline, a third pipeline, a first backwashing pipeline a the second backwashing pipeline respectively; and each electromagnetic valve and a flow detection device are connected with an electric control box respectively. The system has the beneficial effects that the fresh water from thedrinking water cabin is continuously treated by adopting an 'adsorption+ filtration + disinfection' process, and small molecular substances such as bacteria and microorganisms are effectively filtered, so that the effluent quality meets related standard requirements.

The invention provides a multifunctional composite melt-blown non-woven fabric and a preparation method thereof. The preparation method comprises the following steps of mixing an initiator, a fluorine-containing olefin monomer and polypropylene according to a certain mass ratio by adopting a polypropylene modification reaction extrusion principle, and carrying out melt grafting modification by virtue of a double-screw extruder, so as to prepare a high-fluidity modified polypropylene material; and then carrying out double-layer melt-blown spinning and composite lapping on melt-blown polypropylene and modified polypropylene to prepare the multifunctional composite melt-blown non-woven fabric. A gradient electret filter material is obtained by compounding a conventional polypropylene non-woven fabric and a fluorine-containing graft modified polypropylene non-woven fabric through double-layer melt-blowing. The electret effect and the charge stability are improved by regulating and controlling the chain segment composition of the fluorine-containing graft modified polypropylene. The prepared non-woven fabric has the advantages of being good in electrostatic electret effect, high in air filtering efficiency, low in piezoresistance and the like.

The invention relates to a catalyst for catalytic hydrogenation and a preparation method and application thereof. The catalyst comprises the following components, by mass: 9-10% of cerium, 4-5% of cobalt, 4-5% of aluminum and the balance of nickel. According to the catalytic hydrogenation catalyst provided by the invention, the problem of poor hydrogenation efficiency of 1, 8-diamino-3, 6-naphthalene disulfonic acid at present is solved by redesigning the catalyst components, the catalytic hydrogenation reduction catalytic efficiency of the 1, 8-dinitro-3, 6-naphthalene disulfonic acid is improved, and the conversion rate of the 1, 8-dinitro-3, 6-naphthalene disulfonic acid is over 99%.

The invention discloses an exhaust pipe capable of improving the efficiency of an exhaust system, and relates to the field of exhaust pipes, the exhaust pipe comprises an exhaust main pipe, and the end part of the exhaust main pipe is communicated with a first exhaust auxiliary pipe and a second exhaust auxiliary pipe which are bifurcated; the inner wall of the second auxiliary exhaust pipe is provided with a low-pressure suction area for draining and discharging gas at the gas outlet of the main exhaust pipe to the second gas outlet, and when the gas discharged from the main exhaust pipe is conveyed into the first auxiliary exhaust pipe and the second auxiliary exhaust pipe, part of the gas enters the first auxiliary exhaust pipe to be discharged; a low-pressure suction area is arranged on the inner wall of the lower end of the second auxiliary exhaust pipe, and the gas at the gas outlet of the main exhaust pipe can be sucked into the second auxiliary exhaust pipe, so that the phenomenon that a large amount of gas enters the first auxiliary exhaust pipe is avoided; and the low-pressure suction area has the effect of reducing the weakness degree when the gas is conveyed.

The invention discloses a decay-proof resin grinding wheel and a manufacturing method thereof. The decay-proof resin grinding wheel comprises 20# brown jade steel abrasive materials, resin sand, resinliquid, teflon, a diluting agent and cryolite. The decay-proof resin grinding wheel comprises 20-60% of 20# brown jade steel abrasive materials, 15-25% of resin sand, 10-15% of resin liquid, 1-3% ofteflon, 0.1-1% of diluting agent and 10-25% of cryolite. According to the invention, by decreasing the proportion of the resin sand and the resin liquid in the resin grinding wheel, the decay rate ofthe resin grinding wheel is changed, when the decay rate of the resin grinding wheel is decreased and during processing, the resin liquid is frozen for 2h in the 10 DEG C environment, the viscosity ofthe resin liquid is improved, the decay rate of the resin grinding wheel can be effectively decreased, with the decrease of the decay rate, the deformation degree of the grinding wheel can be lowered, the service life of the grinding wheel is prolonged, the replacement frequency is decreased for using personnel, and operation efficiency is improved.