72results about How to "Lower pass rate" patented technology

The invention relates to a magnelium base layer-shaped double-hydroxide ultraviolet barrier material used in anti-aging asphalt and a preparation method thereof. The magnelium base layer-shaped double-hydroxide ultra-violet barrier material has a laminated structure formed by magnelium double-hydroxide plywoods and interlayer carbonate through multi-stage superposition, and molecular composition is as follows: Mg1-xAlx (OH) 2 (CO3) x / 2 . mH2O. The inorganic plywoods of the material can play a role in physically shielding ultraviolet rays, and metal elements on the plywoods and interlayer anions can play a role in chemically absorbing the ultraviolet rays; in addition, by controlling the size and number of layers of the plywoods, multi-stage reflection and refraction occur on interfaces of the plywoods when the ultraviolet rays pass through the multi-stage plywoods, and multi-stage absorption occurs on the plywoods and interlayers, so as to play a role in blocking the ultraviolet rays. Due to the multi-stage multiple chemical absorption and physical shielding effect, the material has good ultraviolet blocking effect, and remarkably improves the ultraviolet aging resistance of asphalt when the material is used for preparing the anti-aging asphalt.

The present invention provides a multi-mode regular expression matching method and apparatus. The method comprises: filtering to-be-matched data according to a fist layer filter feature set to obtain data segments and targeted exact character strings upon the first layer filtering; searching for a corresponding regular expression superset according to the targeted exact character strings, and conducting second layer filtering on the data segments obtained via the first layer filtering to obtain data segments and a targeted regular expression superset upon the second layer filtering; determining a corresponding regular expression according to the targeted regular expression superset, and matching the data segments upon the second layer filtering by using the regular expression. According to the technical solutions provided by the present invention, the filtering rate and effect are improved via two layer filtering, thereby ensuring stability of the matching performance, and preventing passage of pure data.

The invention discloses a method for optimizing passing rate performance in a wireless ad hoc network. By adopting the method, the following defects are overcome: the traditional IEEE802.11DCF (distributed coordination function) mechanism adopts the minimum contention window of the BEB (binary exponential backoff) algorithm, so the processing nodes are not timely enough to contend and are too passive. The method has the following beneficial effects: dynamically detecting the number of the transmitting nodes of the contention channels, then computing the next minimum contention window after the transmitting nodes successfully complete the current transmission according to the frame error rate of the RTS (request to send) packet, optimizing the backoff timeslot and reducing the average time of access of the nodes to the channels. The backoff mechanism is superior to the traditional BEB algorithm.

The invention discloses a preparation method of a high-pressure monocrystalline nickel-cobalt-manganese ternary material, comprising the steps of preparing a precursor by a co-precipitation method; mixing a lithium source, a coating agent and the precursor and performing primary sintering to obtain an intermediate; mixing the intermediate and the lithium source in proportion, and performing secondary sintering and shaping to obtain the product The invention effectively improves the average particle size of the ternary material, reduces the specific surface area of the ternary material, furtherimproves the compaction density, improves the first charge-discharge capacity and improves the cycle performance of the ternary material battery through the process of solid-state coating and sintering of two times.

The invention provides a flame-retardant composite diaphragm. The flame-retardant composite diaphragm comprises a base diaphragm; a flame-retardant coating is compounded on at least one surface of the base diaphragm; the flame-retardant coating comprises a double-layer flame-retardant microcapsule. According to the composite diaphragm provided by the invention, the functional coating of the composite diaphragm is a flame-retardant coating with double layers of flame-retardant microcapsules, so the safety problems such as combustion or explosion caused by thermal runaway of a battery can be effectively prevented. And the flame retardant is prevented from being in direct contact with the electrolyte, so that the electrochemical performance is not influenced. Meanwhile, according to the flame-retardant lithium ion battery diaphragm, the thermal shrinkage of the base diaphragm can be reduced. When the base diaphragm of the lithium ion battery diaphragm is heated, the diaphragm can be prevented from shrinking. In addition, the flame-retardant lithium ion battery composite diaphragm provided by the invention is simple in preparation process, controllable in condition and relatively low in cost, can effectively improve the safety performance of the battery, and has wide practical value in the application field of the lithium ion battery.

The invention discloses a high-modulus colored asphalt mixture and a preparation method thereof. The preparation method is simple and easy to implement, the prepared colored asphalt mixture has the characteristics of high modulus and excellent pavement performance. Compared with AC-13 and SMA-13 and other conventional asphalt mixtures, the colored asphalt mixture has the advantages of fulfilling long-time use of special sections to avoid damages of pavement, especially has excellent high-temperature resistance and durability, and has durable and bright color; furthermore, by reasonably selecting grading of aggregates and mineral powder, the passing rate of fine aggregates can be reduced, the proportion of coarse aggregates can be improved, the colored asphalt mixture forms a stable frame structure, and the high-temperature anti-shearing anti-rutting performance is good.

The embodiment of the invention provides a generation and verification method and device of a verification code picture. The generation method comprises the following steps: selecting a plurality of first elements and a plurality of second elements, wherein there is a preset association relationship between each first element in the plurality of first elements and at least one second element in the plurality of second elements; determining a picture to be synthesized, and determining the positions of each first element and each second element in the picture to be synthesized; and synthesizing the plurality of first elements and the plurality of second elements to the picture to be synthesized according to the positions of each first element and each second element, and obtaining the verification code picture. The generation method of the verification code picture provided by the invention solves the problem that the prior art cannot effectively prevent a machine program from recognizing a verification code.

The invention discloses a light distribution method of a vehicle brake lamp. The light distribution method of the vehicle brake lamp is characterized by comprising an LED light source and an inner light distribution mirror; a discrete material is arranged in a substrate of the inner light distribution mirror; and emitted light of the LED light source is emitted out after passing through the inner light distribution mirror. The light distribution method is adopted; and the novel discrete material is used as an auxiliary material of the inner light distribution mirror, so that output light rays are scattered more uniformly, bright and dark areas formed on the surface of the inner light distribution mirror after lightening can be effectively weakened and eliminated, the illumination is uniform and beautiful, and the internal structure and light source selection is wider and more various.

The invention relates to an environment-friendly aqueous nano transparent UV shielding coating for highlight furniture. The coating comprises the following components: deionized water, a dispersing agent, a nano inorganic slurry, titanium dioxide, a thickener, acrylic modified waterborne polyurethane, a preservative, a pH regulator and sodium hexametaphosphate. A blending method is employed to prepare the environment-friendly aqueous nano transparent UV shielding coating. The method is as below: taking a certain amount of an acrylic modified aqueous polyurethane emulsion E-106 and adding 0.1% of nano TiO2 mixed aqueous dispersion with stirring; stirring evenly with a high speed mixer with a stirring speed of 1000 r / min for 1 h; adding a nano antibacterial powder during the stirring process; then adding an appropriate amount of aqueous additives including a defoaming agent and a leveling agent; and mixing evenly to obtain the environment-friendly aqueous nano transparent heat insulation coating. The invention has the following advantages: improvement of the surface hardness of the UV coating, improvement of aging resistance of the UV coating, prevention from yellowing and no environmental pollution.

The invention discloses a device for preventing outside biology from invasion for a South-to-North water diversion project, which comprises a second water channel; one end of the second water channelis connected with a first water channel, the other end thereof is connected with a third water channel, and a first filter screen and a second filter screen are installed on the inner wall of the second water channel through a bracket; both sides of the first filter screen are fixedly connected with a baffle, and one side of the second filter screen far from the first filter screen is fixedly connected with the baffle; both sides of the second water channel are connected with a water returning pond, an ultraviolet lamp room is installed on the third water channel. The device can intercept fries through the baffle, the first filter screen and the second filter screen, an ultrasound wave fish disturber is installed on the baffle, and can expel fishes to make them return the first river channel; the first filter screen and the second filter screen can intercept the fish face for many times, thus the fry passage rate is reduced; meanwhile, a gap is existed between the filter screen and thesecond filter screen and the second river channel, thereby facilitating the passage of algae and other sundries.

The invention discloses a method for preparing a film coating tablet for treating chronic renal failure. The method comprises the following steps: proportioning various crude medicines of rhubarb, astragalus root, white mulberry root-bark, kuhseng, radix codonopsis pilosulae, white atractylodes rhizome, tuckahoe, prepared fleece flower root, white peony root, radix salviae miltiorrhizae, rhizoma ligustici wallichii, chrysanthemum, pinellia, plantain, radix bupleuri and licorice according to a conventional method, adding water, decocting, filtering, merging decoction, concentrating, drying and pulverizing to obtain medicinal extract powder; the method is characterized by also comprising the following steps: adding microcrystalline cellulose into the medicinal extract powder, mixing evenly, preparing a soft material by an ethanol water solution, granulating, drying, straightening, adding magnesium stearate, mixing evenly, tabletting to obtain a tablet agent and then coating a film coating by a film coating material; the mass ratio of the medicinal extract powder to the microcrystalline cellulose to the magnesium stearate to the film coating powder is 60-75:20-36:0.5-1.3:2-6; and the conditions of the technical parameters of the coating process for coating the film coating are as follows: the concentration of coating liquid prepared by the film coating material is 10-20wt%, the temperature of a tablet bed is 45-48 DEG C, and the liquid spraying speed of the coating liquid is 4-5ml / min.

The invention discloses a seawater desalination membrane. The seawater desalination membrane comprises one millipore filtration membrane, a carbon-containing composite layer and one millipore filtration membrane, the aperture of every millipore filtration membrane is 10 nm to 100 [mu]m, every millipore filtration membrane is made of polymer, metal or oxide, and the carbon-containing composite layer contains partially reduced graphene oxide, CdS and nanometer titanium oxide. Two sides of the composite layer are protected by the two millipore filtration membranes, so the carbon-containing composite layer have high mechanical performances, and is difficult to destroy. The carbon-containing composite layer allows water molecules to go through, and the pass rate of sodium ions, calcium ions and magnesium ions in seawater is extremely low. The seawater desalination membrane has a high desalination efficiency, and allows the salt removal rate to be 98% or above.

The invention discloses a gas-liquid two-phase multi-stage cyclone separation device. The separation device comprises an air inlet, a jacket cylinder, guiding nozzles, a cyclone separation cavity, a collector, a slotted vortex finder and an air outlet. The air inlet and the jacket cylinder are cylindrical, the axis of the air inlet is vertical to the central line of the jacket cylinder in an axial direction, and the air inlet is communicated with the outer wall of the jacket cylinder in the tangential direction. There are a plurality of rows of guiding nozzles. The guiding nozzles are uniformly distributed in the peripheral direction of the cyclone separation cavity. The working processes of the provided device are as follows: a gas and liquid two-phase flow goes into the jacket cylinder through the air inlet and forms an eddy flow in a jacket layer, and a primary separation process is formed; crude particles are separated and sink down at the bottom of the jacket layer, fine particle and the air flow go into the cyclone separator through the guiding nozzles, under action of the guiding nozzles, a strong eddy flow is formed in the separator, and a secondary separation process is formed; under action of a centrifugal force, solid particles are separated from air, and the separated solid particles are conveyed to the collector.

The invention discloses an intelligent portable flower-watering device. The intelligent portable flower-watering device comprises a plant frame and a water storage tank; a controller is arranged on the surface of the water storage tank, one side of the water storage tank is provided with a water inlet end, and a water discharging opening is arranged below the water inlet end; a water pump is arranged in the water storage tank, the water pump is connected with a water pipe located on the other side of the water storage tank, and the other end of the water pipe is connected to the upper end of an open-air collection tank; the upper end of the water storage tank is connected with a collecting pipe, the interior of the collecting pipe is provided with two water outlet pipes, and the top end ofthe collecting pipe is connected with the inner upper end of the plant frame; and the upper end of the plant frame is provided with the open-air collection tank, and the interior of the plant frame is uniformly provided with cross plates. The device disclosed by the invention is provided with the water storage tank, the water storage tank is connected with the open-air collection tank through thewater pipe, and the water pump is arranged in the water storage tank, so that water in the water storage tank can be recycled; the device is provided with the water inlet end and a water outlet end,so that water can be replenished in time; and the device has a simple structure, and is convenient for operation and suitable for large-scale promotion.

The invention discloses a device capable of improving the aluminum oxidation surface quality, and belongs to the technical field of aluminum oxidation equipment. The device capable of improving the aluminum oxidation surface quality comprises a chemical combination bin, a heating plate, a film coating bin and a workpiece, the film coating bin is located at the upper end of the chemical combination bin, the workpiece is located in the film coating bin, an aluminum gas pipe and an oxygen pipe are connected to the outer wall of the chemical combination bin in a penetrating mode, an exhaust port is formed in the lower side wall of the chemical combination bin, annular air bags are arranged in the chemical combination bin, and an air inlet communicates with the film coating bin. According to the device, carbon reserved in the chemical combination bin can be burnt completely before the aluminum oxide gas is prepared in the chemical combination bin, so that the problem that toxic aluminum nitride and carbon monoxide gas are generated when the aluminum oxide gas is prepared is effectively avoided; and meanwhile, the air bags in the chemical combination bin can expand along with temperature rise, gas can only pass through the inner sides of the air bags, the space between the inner sides of the air bags becomes smaller when the temperature rises, the gas passing amount is reduced, and the problem that the workpiece surface quality is reduced due to excessive sprayed aluminum oxide gas is effectively avoided.

The invention discloses a novel horizontal hollow breakwater with inclined insertion plates. The novel horizontal hollow breakwater comprises a first horizontal plate, a second horizontal plate, a first inclined inserting plate and a second inclined inserting plate, wherein the first horizontal plate is positioned above the second horizontal plate, and the first horizontal plate and the second horizontal plate are supported by buttresses; the first inclined inserting plate is connected with the lower portion of the first horizontal plate located on the upper layer, and a second inclined inserting plate is connected to the upper portion of the second horizontal plate located on the lower layer. According to the breakwater, the novel horizontal hollow breakwater with the inclined insertion plates has the beneficial effects that the passing rate of waves can be reduced, and the transmissive wave height is reduced; by additionally arranging the inclined insertion plates, the effect of waveforce borne by vertical plates are reduced, so that the structure is more stable.

The invention discloses a display panel and a display device. The display panel comprises a plurality of pixel units, light-sensitive materials are arranged on the light-out sides of the pixel units,and the light-sensitive materials can change along with the intensity changes of light emitted by the pixel units to change the light transmission performance of the light-out sides where the light-sensitive materials are arranged. By means of the arrangement, a bright area, which is too high in brightness, of the display panel achieves dark compensation, a dark area which is too low in brightnessachieves bright compensation, so that automatic compensation for the emitted light is achieved, and the perception experience of a user is improved.

The embodiment of the invention discloses a risk detection method and a device based on data processing, wherein the risk detection method based on data processing comprises the following steps: obtaining a plurality of hospitalization settlement sheets which need to be reimbursed in a medical institution according to a unique identification code of the medical institution; obtaining a plurality of hospitalization settlement sheets which need to be reimbursed in the medical institution according to the unique identification code of the medical institution. Detecting similarity of multiple hospitalization settlement forms, and obtaining risk value of hospitalization settlement forms according to similarity of multiple hospitalization settlement forms; When it is determined that the risk value of the hospitalization settlement document is greater than the preset risk threshold, the hospitalization settlement document is set as the risk settlement document, and the reimbursement of the risk settlement document is not passed. By adopting the invention, the risk value of the hospitalization calculation sheet can be determined through the similarity calculation of a plurality of hospitalization settlement sheets, the efficiency and the accuracy of finding the illegal hospitalization settlement sheets can be improved, the passing rate of the illegal hospitalization settlement sheets can be reduced, and the standardization of the medical insurance reimbursement process can be played an active role.

The invention discloses a carbon-containing composite film, which is composed of a microporous filter membrane, a carbon-containing composite layer and a microporous filter membrane in order. The aperture of the microporous filter membrane is 10nm-100micrometers, the microporous filter membrane is made of a macromolecule, metal or oxide, and the carbon-containing composite layer contains partially reduced graphene oxide and ZnS. Because of the protection of the two layers of microporous filter membranes at two sides, the composite film provided by the invention has high mechanical properties, can ensure that the carbon-containing composite layer is not easy to damage. The carbon-containing composite layer can allow water molecules to pass, but sodium ions, calcium ions, magnesium ions and the like in seawater have very low passing rate. The carbon-containing composite film provided by the invention has high desalination efficiency, and can reach a removal rate equal to or more than 98%.

The invention discloses a modified absorbent and a preparation method thereof. The modified absorbent is characterized by containing the following components: activated carbon, polyethylene glycol, butyl rubber, sodium chloride, sodium bromide, polyvinyl alcohol, stearic acid, calcium carbonate, zinc oxide, paraffin oil, methylcellulose, rosin soap, phthalic acid dimethyl anhydride, phenolic resin, flatting agent and insoluble sulfur. The preparation method comprises the following steps: carrying out pretreatment and modification on activated carbon; carrying out halogenating modification on the butyl rubber; and mixing the residual components, adding the modified activated carbon and the modified butyl rubber, stirring, carrying out ultrasonic treatment, and finally extruding. The modified absorbent is used for processing common absorption substances, so that the static adsorption capacity is improved, and the water vapor transmittance is decreased; and the preparation process is simple and feasible and applicable to industrialization.

The invention discloses a desalination membrane which is sequentially composed of a first microfiltration membrane, a carbonic composite layer and a microfiltration membrane. The bore diameter of each of the microfiltration membranes ranges from 10nm to 100mum, the microfiltration membranes are made from macromolecule, metal or oxide materials, and the carbonic composite layer contains grapheme oxide, ZnS, NbN and nano-titanium oxide which are partially reduced. The invention further discloses a preparation method and application of the desalination membrane. The desalination membrane is protected through the microfiltration membranes on two sides, so that mechanical property is high, and the carbonic composite layer can be assured not to be destroyed easily; by the adoption of the carbonic composite layer, water molecules can be allowed to pass through while sodium, calcium ion, magnesium ion and the like in the seawater are quite low in pass rate. The desalination membrane is high in desalination efficiency and the removal rate is more than 96%.

The invention discloses a carbon-containing seawater desalination membrane, which is prepared by preparing partially reduced graphene in gaps by using a nano-alumina porous membrane as a template, canallow water molecules to pass through, has extremely low passing rate of sodium ions, calcium ions, magnesium ions and the like in seawater, and has high desalination efficiency.

The invention discloses a carbon-containing isolation membrane. The composite membrane is sequentially composed of three layers: a microporous filter membrane, a carbon-containing composite layer and a microporous filter membrane. The pore diameter of the microporous filter membrane is 10 nm to 100 μm. The material of the porous filter membrane is polymer, metal or oxide, and the carbon-containing composite layer is composed of partially reduced graphene oxide CeO 2 . The composite membrane of the invention is mainly used for isolating water molecules and various ions in water, can block salt ions in water, and allow water molecules to pass through, and can be used in the field of sewage treatment. The invention has high desalination efficiency, and the removal rate is above 99%.

The invention relates to the technical field of flour processing, and provides an energy-saving and environment-friendly flour processing device capable of adjusting an amount by utilizing centrifugalforce change. The energy-saving and environment-friendly flour processing device capable of adjusting the amount by utilizing the centrifugal force change comprises a machine body, wherein a crusheris movably connected the inner wall of the machine body, a charging port is movably connected to the outer wall of the crusher, and a track is fixedly connected to the outer wall of the charging port.According to the energy-saving and environment-friendly flour processing device capable of adjusting the amount by utilizing the centrifugal force change, a driving mechanism drives the crusher to rotate, and the crusher makes contact with wheat for treatment; when the amount of the added wheat is greater than that of the treated wheat, the rotating speed of the machine is decreased through a friction force between the wheat and the machine, a centrifugal force borne by a transverse sliding block is decreased, a longitudinal sliding block returns to the original position under the influence of a spiral spring, an inclined block exerts thrust on a baffle, and the baffle reduces the opening of the charging port, so that the feeding amount is reduced; and when the amount of the wheat insideis too low, on the contrary, the opening of the charging port is enlarged to increase the feeding amount and adjust the efficiency, and the feeding amount is adjusted through the centrifugal force changes.

The invention discloses a polyethylene film for pleurotus eryngii packaging. The polyethylene film comprises the following raw materials by weight: 70-95 parts of polyethylene, 20-35 parts of polylactic acid, 0.3-0.8 part of an antibacterial agent, 1-2 parts of polyglyceryl fatty ester, 0.2-1 part of sorbitol, 0.5-3 parts of corn oil, 0.3-1.8 parts of stearic acid, 0.9-2 parts of a cerium complex,2-7 parts of graphene microsheet, 3-8 parts of montmorillonite, 2-9 parts of medical stone, and 0.05-0.1 part of an antioxidant. The antibacterial agent is a mixture of antibacterial peptide, cinnamon essential oil, cymbopogon citratus essential oil, a forsythia extract, a scutellaria baicalensis extract and a houttuynia extract in a weight ratio of 1-5:3-9:2-11:2-7:1-5:3-11. The polyethylene film for pleurotus eryngii packaging provided by the invention has the characteristics of excellent antibacterial performance, good fog resistance and high light transmittance, can inhibit the growth andreproduction of microorganisms when used for pleurotus eryngii packaging, ensures the quality of pleurotus eryngii and prolongs the shelf life.

The invention discloses a method for increasing the yield of Li<+> in sodium sulfate subtype salt lake brine, which comprises the following steps: adding Cl<-> into the sodium sulfate subtype salt lake brine to obtain pretreated brine; and subjecting the pretreated brine to nanofiltration, so as to obtain permeate liquid which is lithium-rich permeate liquid. In the sodium sulfate subtype salt lake brine, the Li<+> content is 0.15-3g / L, the pH value is 7.5-11, the SO4<2-> ion content is greater than or equal to 10g / L, and the magnesium-lithium ratio is greater than or equal to 2:1. According to the method, after Cl<-> is introduced, the yield of two-stage nanofiltration Li<+> can reach 70% or above, the number of nanofiltration stages needed for achieving the same yield is small, and corresponding investment is small; and in order to further improve the yield of lithium in the nanofiltration process, the nanofiltration stage number can be increased, and the yield is higher than that in the prior art under the same nanofiltration stage number.

The embodiment of the invention provides a verification method and device. The verification method comprises the steps of receiving a verification request, wherein the verification request carries content input by a user on a verification picture and a position of the content on the verification picture; and if the content input by the user is the same to appointed content and the position of the content is in an appointed area on the verification picture, indicating that a verification result of the verification request is successful. The problem that in the prior art, a machine program cannot be effectively prevented from identifying the verification code is solved.

The invention relates to opiate receptor antagonist conjugates and an application thereof, in particular to conjugates prepared from hydrophilic polymers and opiate receptor antagonists through covalent coupling and an application of the conjugates.