34results about How to "Realize application value" patented technology

The invention relates to an injection locking frequency divider used in the integrated circuit of a radio receiver, belonging to the technical field of integrated circuits of radio frequency radio receivers. The injection locking frequency divider is formed by an inductance-capacitance oscillator, a tuning circuit, a signal injection circuit and a current source biasing circuit, wherein the tuning circuit comprises a numerical control capacitor array tuner and a varactor tuner. Under the condition of no external input excitation, the inductance-capacitance oscillator self-oscillates by certain frequency. The tuning circuit tunes the self-oscillating frequency through varying the load of the resonant cavity of the oscillator. The signal injection circuit injects input signals into the resonant cavity of the oscillator to realize the traction and the locking of the self-oscillating frequency of the oscillator and to further the frequency halving of the input signals. Compared with the prior art, the invention has the advantages that the circuit can realize high working frequency under low power consumption and the working frequency range is wide.

The invention discloses a method for preparing a Hf0.5Zr0.5O2 ferroelectric film by ALD for ferroelectric memory applications, characterized by preparing the ferroelectric film by using atomic layer deposition, using a hafnium source and a zirconium source as reaction precursors, using ozone or water as an oxygen source, using a cavity temperature of 250 to 280 degrees centigrade, and using a reaction precursor heating temperature of 75 to 80 degrees centigrade. Compared with a ferroelectric film having a perovskite structure obtained by a conventional process, the ferroelectric film preparedby the method is more liable to be compatible with a standard semiconductor manufacturing process, has higher integration, a lower annealing temperature, a higher annealing rate, shorter annealing time, and a lower ferroelectric layer thickness. The film obtained by a high annealing rate heat treatment process has high remanent polarization, a large dielectric constant, and low leakage current. The preparation method of the invention has high repeatability and can obtain uniform ferroelectric film, and contributes to realizing the wide application prospect of the ferroelectric film in the fields of information storage and integrated circuits.

The invention discloses an indoor evaluation method for a nano-plugging agent for shale gas water-based drilling fluid. The indoor evaluation method comprises the following steps that (1) a ultra-lowpermeability stratum 'simulation core' is prepared, and the nano-plugging agent permeability reduction rate is determined; (2) particle size analysis is conducted on the nano-plugging agent; and (3) micro morphology is analyzed, specifically, firstly, the ultra-low permeability 'simulation core' (the permeability reaches 10<-4>mD) with nano and micron scale apertures is prepared successfully, thenthe permeability reduction rate of the 'simulation core' after the nano-plugging agent is added is obtained through determination of high temperature and high pressure filtration loss, the plugging performance of the nano-plugging agent is investigated, whether the size fraction magnitude of the nano-plugging agent is matched with the size of the micron and nano scale apertures or not is analyzedthrough a laser particle analyzer, finally, the micro morphology of a filter cake and filter liquor before and after the nano-plugging agent is added is observed through an environmental scanning electron microscope, the dispersion stability of the nano-plugging agent in a system is verified, and the plugging mechanism of the nano-plugging agent is further studied.

The invention provides a brightness compensation method for an organic light-emitting diode display panel, which comprises the following steps of: performing an initial brightness acquisition stage, separately acquiring an initial gray scale brightness of each sub-pixel in an initial stage, and calculating a driving current of each sub-pixel in the initial stage; performing a first compensation calculation stage, and according to a brightness relationship between the brightness of the sub-pixels in the initial stage and a standard reference gray scale, obtaining a driving current required foreach sub-pixel to reach the same brightness as the initial stage so as to calculate the driving current of each sub-pixel in the compensation stage; performing a second compensation calculation stage,performing calculation according to the characteristic curve of the current and the voltage of each sub-pixel to obtain a driving voltage required by each sub-pixel, and calculating a compensation voltage required by each sub-pixel in the compensation stage; and performing a compensation correction stage, and correcting the driving voltage of each sub-pixel to be the sum of the driving voltage and the compensation voltage of each sub-pixel in the initial stage. Therefore, the branding phenomenon on the display panel is reduced and corrected.

The invention relates to an orthogonal input and orthogonal output frequency-halving device with low power consumption and low stray, belonging to the technical field of integrated circuits of radio-frequency wireless receivers. The frequency-halving device comprises variable load stage, input transconductance stage, mixing stage and variable current source bias circuits. Compared with traditional source coupled logic frequency-halving circuit and Miller frequency-halving circuit, the invention can realize higher working frequency and higher triple-harmonic inhibition under the condition of lower power consumption, and the process deviation and the temperature deviation are insensitive.

The invention provides a magnetic Fe3O4 / Fe2O3 heteroplasmon hollow nanorod material and a preparation method and application thereof, and belongs to the technical field of preparation of inorganic nonmetal nano composite materials. The magnetic Fe2O3 / Fe3O4 nanometer heteroplasmon material prepared by the method is in a hollow nanorod shape, only ferric chloride hexahydrate, water and absolute ethyl alcohol are needed as raw materials in the preparation process, the cost is low, the process is simple and easy to control, the equipment requirement is low, the preparation period is short, the product yield is high, and the performance of a target product can be effectively controlled by controlling the calcination process. The Fe3O4 / Fe2O3 heteroplasmon hollow nanorod prepared by the method has the advantages of controllable process and controllable material morphology.

Described are methods, systems, and computer program products for providing context aware guidance for an application during runtime. Context aware guidance is determined based upon user context and application context. User context includes a security role and a lifecycle stage. Context aware guidance includes steps which are rendered in runtime on a application based on the user and application context.

The invention relates to a bionic knee joint mechanism based on a tensegrity structure which overcomes the defects that a traditional bionic knee joint mechanism is large in size, heavy in mass, poorin flexibility, complex in a control system and the like, and has the advantages of being flexible, stable, simple and convenient to manufacture in structure. According to the bionic knee joint mechanism based on the tensegrity structure, the tensegrity structure is combined with a four-rod mechanism, self-locking of the bionic knee joint mechanism can be achieved, self-locking can be achieved without control, and it can be guaranteed that a knee joint robot has the bionic characteristic and the mechanical characteristic at the same time. The bionic knee joint mechanism based on tensegrity structure is simple in structure, at the same time, the movement process of the mechanism simulates rolling and sliding between thighbone and tibia in the rotation process of a human knee joint, accordswith the biomechanical characteristics of the human knee joint, is expected to vigorously develop, and achieves the practical application value in multiple fields.

The invention discloses a structured management method for multisource safety big data of smart factories. The method comprises the following steps of: (1) acquiring multisource safety big data of a smart factory through a multisource data acquisition module, dividing the multisource safety big data into static data and dynamic data according to an updating time scale, and establishing a smart factory safety database; (2) analyzing elements and existing data organization structures of the static data and the dynamic data, and establishing structured models of the static data and the dynamic data; and (3) obtaining a main data table definition of the smart factory safety database on the basis of the structured models of the static data and the dynamic data, so as to realize structured management for the multisource safety big data. The structured management method for multisource safety big data is used for carrying out structured modeling and description on various types of data and converting non-structured data into structured data, so as to realize structured management for multisource safety big data and realizing the application value of the safety big data to the greatest extent.

The invention discloses a water-cooling temperature-control forming die for light alloy plates, which comprises an upper die plate, a first upper cushion plate, a second upper cushion plate, a blank holder, a female die, a male die, a lower cushion plate, a lower die plate, a circulation water cooling system and a temperature control system. Both the blank holder and the female die are provided with heating devices, temperature measuring holes are disposed in the blank holder, the female die and the male die, temperature measuring elements are mounted in the temperature measuring holes, acquired temperatures of various dies are respectively transmitted to the temperature control system by the temperature measuring elements, and the temperature control system heats up or cools down the corresponding dies according to the die temperatures acquired by the temperature measuring elements. Temperatures of the female die, the blank holder and the male die can be precisely controlled. The temperatures of the female die, the blank holder and the male die are respectively controlled, a flange of a workpiece is heated up, the male die is cooled down, accordingly, flowing stress of materials of a flange area is reduced, the strength of materials of a fillet of the male die is kept, temperature-differential deep drawing process is realized, and more complicated light alloy parts in deep drawing can be manufactured.

The invention discloses a novel low temperature alloy heat accumulator element. The heat accumulator comprises a heat accumulation container and a heat accumulation material. Fluorine-contained alkane polymers are adopted creatively as the material of the heat accumulation container, tin-lead alloy and other low-melting-point alloy serve as the heat accumulation material, the corrosion or reaction problem between the metal or alloy heat accumulation material and the material of the heat accumulation container is effectively solved, effective sealing of the heat accumulation material is achieved, and the problem that leakage affects the environment is prevented. Meanwhile, the advantages that as the heat accumulation material, the metal and alloy are large in latent heat of phase change, high in heat conductivity, good in heat stability and the like are fully played; and accordingly, the novel low temperature heat accumulator element is widely applied, and the application value is achieved.

The invention provides a process for recycling precious metal vanadium in flue gas desulfurization sludge. The process mainly includes the following steps that firstly, metal elements in spraying liquid are enriched in a sedimentation manner, and preprocessing is conducted at the same time; secondly, sediment in the first step is smashed and ground together with the sludge; thirdly, an acid extracting agent is added to conduct mixing, extracting and standing after the sludge raw material in the second step is smashed, supernatant remains to be neutralized, and the sinking sludge is filtered and washed; fourthly, leachate in the third step conducts ion exchange, and vanadium-containing ions are extracted; fifthly, reextraction is conducted on an organic phase solution in the fourth step, and a high-concentration vanadium-containing solution is obtained; sixthly, ammonium chloride is added in the vanadium-containing solution in the fifth step, and filtration and sedimentation are conducted; and seventhly, pentavalent vanadium sediment in the sixth step is brunt, and vanadium pentoxide is prepared. The process is high in recycling rate and has remarkable economic benefits; harm to the environment is reduced; and the process is simple in flow, and the result is easy to achieve.

The invention discloses a fungaltoxin magnetochemiluminescence immunoassay kit based on bifunctional fusion protein and application of the fungaltoxin magnetochemiluminescence immunoassay kit. The kit comprises streptavidin magnetic particles, a biotin-labeled mycotoxin antigen, a mycotoxin standard substance solution, a mycotoxin nano antibody-alkaline phosphatase bifunctional fusion protein, a sample diluent, a scrubbing solution and a substrate solution. According to the kit, chemiluminescence, magnetic particle separation and genetic engineering technologies are gathered together, rapid, accurate and full-automatic detection of mycotoxin can be achieved, edible oil can be directly subjected to sample adding detection, extraction, centrifugation and other operations are not needed, the operation error of detection personnel is reduced, the requirement for the ability of the detection personnel is lowered, and the detection efficiency is improved. The detection efficiency of a large batch of samples at a basic level is remarkably improved, and a powerful means is provided for mycotoxin detection and monitoring.

The invention discloses an environment-friendly amido bond synthesis method, which comprises the following steps: oxidizing an aryl hydrazine compound with O2 to form a C-Pd bond by taking Pd(OAc)2 as a catalyst and taking PPh3 as a ligand, inserting CO to a carbon-palladium bond to form an acyl palladium species as a carbonyl source, attacking carbonyl palladium by virtue of amine as a nucleophilic reagent, and performing reductive elimination to obtain a final product amide. According to the method, synthesis of the amide from the hydrazine compound is implemented by adopting CO as the carbonyl source by virtue of a carbonyl insertion method, and a byproduct does not comprise excessive pollutants such as haloid acid, so that the potential application value can be better achieved.

The invention discloses a method for preparing macrolide by using alkyne amide as a condensation reagent and hydroxy carboxylic acid as a raw material at 10-50 DEG C; the method comprises a method formildly and efficiently preparing an alpha-acyloxy alkenyl amide compound through addition of carboxylic acid and alkyne amide at room temperature under the catalysis of cuprous salt and a method forobtaining macrocyclic lactonization through enabling the intramolecular hydroxyl of the alpha-acyloxy alkenyl amide compound to react under the catalysis of p-toluenesulfonic acid; the two reactions can be performed through a one-pot method as well, i.e., an intermediate alpha-acyloxy alkenyl amide obtained after complete reaction of carboxylic acid and the alkyne amide does not need to be separated, the p-toluenesulfonic acid is directly added to perform intramolecular condensation reaction in the next step, thereby realizing the formation of the alkyne amide-mediated macrocyclic lactonization at room temperature. The method disclosed by the invention has the characteristics of mild reaction condition, simplicity and easy operation.

The invention relates to a coal water slurry additive technology, and is aimed at providing a coal water slurry additive for wastewater slurrying in the coal chemical industry and application of the coal water slurry additive in slurrying. The additive is prepared from, by weight, 10-20% of cetyl trimethyl ammonium bromide, 70-80% of formaldehyde condensate of sodium methyl naphthalene sulfonate and 10% of electrolyte. In use, positive ion and negative ion components, electrolyte, wastewater and the like in the additive are added in the slurrying process in two steps, and the prepared coal water slurry has the advantages of being high in concentration, low in viscosity and good in stability and rheological behavior; the preparation and application cost of the coal water slurry is reduced,the wastewater of the coal chemical industry is comprehensively used, the wastewater is turned into wealth, zero emission is realized, and remarkable economic benefits and environment protection significance are achieved. The prepared wastewater coal water slurry of the coal chemical industry can serve as gasification raw materials and combustion fuel, a large amount of organic matter in wastewater can be converted into effective components in synthesized gas during gasification reaction, and heat value and gasification efficiency are improved.

The invention discloses a non-contact flexible transparent sensor and a preparation method thereof, and belongs to the field of flexible sensors. The conductive induction layer is deposited on the surface of the insulation supporting layer, and the contact surface of the insulation supporting layer and the conductive induction layer is a composite rough surface; redistribution of charges on the surface of the sensing layer caused by hand movement is detected by adopting four ends, so that non-contact sensing and control based on gestures are realized. The double-layer structure has universality, the sensing layer can be made of conductive films such as indium tin oxide, copper and the like, and the supporting layer can be made of glass, quartz, a display screen and the like. On the other hand, a rough structure is prepared on the surface of the sensing layer through a plasma etching process, so that the specific surface area is increased, the output signal of the sensor is greatly improved, and higher sensitivity is provided for the near-field sensor.

The invention relates to the technical field of application of data analysis, particularly to an ancient poetry collecting and data analyzing method. The ancient poetry collecting and data analyzing method comprises structuring an ancient poetry collecting method, which, through a reward mode, supports verse input by users as well as verse error correction by other users to form a set of data collecting reward method; after all ancient poetry verses are collected, analyzing such data of the ancient poetry verses as related details of authors, poetry creation, temporal distribution, keywords and association with famous scenic spots. The ancient poetry collecting and data analyzing method is based on ancient poetry collecting on a large scale to form a complete poem collection, and analyzesall the poetry verses through a variety of big data analysis methods to rapidly form an analysis report which can be applied to various academic reports, and particularly for big data analysis on related ancient poetry verses in primary and middle schools, provides a rapid analyzing method.

The invention relates to a bionic knee joint mechanism based on a tensioned overall structure, which overcomes the shortcomings of the traditional bionic knee joint mechanism such as large volume, heavy mass, poor flexibility, and complicated control system. The bionic knee joint mechanism based on a tensioned overall structure provided by the invention The knee joint mechanism has both flexibility and stability, and the structure is simple and convenient to manufacture. The combination of the tensegrity structure and the four-bar mechanism can realize the self-locking of the bionic knee joint mechanism, and it does not need to be controlled to achieve self-locking, which can ensure the stability of the knee joint. The robot has bionic characteristics and mechanism characteristics at the same time. The bionic knee joint mechanism based on the tensegrity structure provided by the present invention has a simple structure. At the same time, the movement process of the mechanism simulates the rolling and sliding between the femur and the tibia during the rotation of the human knee joint. , in line with the biomechanical properties of the human knee joint, is expected to vigorously develop and realize its practical application value in many fields.

The invention discloses a wave attenuation bottle device. The wave attenuation bottle device comprises a wave attenuation structure, air bags, a fishing net, a fish pond and an anchoring device. The wave attenuation structure comprises a crown layer and a tree trunk layer. The crown layer is arranged on the top of the tree trunk layer. The air bags are arranged on the tree trunk layer. The fishingnet is arranged at the bottom of the tree trunk layer. The top of one side of the fishing net is provided with an inlet. The bottom of the fishing net is provided with an outlet. The fish pond is arranged on the bank. The anchoring device is arranged on the bank of the fish pond. A support is arranged on one side of the anchoring device. A solar panel is mounted on the top of the support. The support is provided with a control panel. The wave attenuation structure can effectively attenuate wave energy coming in all directions to protect the bank and prolong the service life of the bank. Meanwhile, the anchoring device can automatically collect fishes to the fish pond. The wave attenuation bottle device achieves the integration effect of intelligent integration of fish catching and fish collection and economic benefits and has the practical application value.

The invention relates to a high-voltage power transmission line detonating cord fixing device which comprises a fixing part. The fixing part is provided with a space used for containing a high-voltage power transmission line, a first gear and a second gear which can move towards each other or away from each other are arranged above the fixing part, and the first gear is elastically connected with a shell through a first frame body; the second gear is elastically connected with the shell through a second frame body, the shell is fixed to the top of the fixing part, and the top of the first frame body is elastically connected with a first locking piece capable of being inserted between the adjacent gear teeth of the first gear; the top of the second frame body is elastically connected with a second locking piece capable of being inserted between the adjacent gear teeth of the second gear, and a detonating cord fixing element is arranged at the bottom of the fixing part. The fixing device provided by the invention meets the requirements of fixing the detonating cords below the high-voltage power transmission lines with different diameters.

The invention discloses a wave attenuation bottle device. The wave attenuation bottle device comprises a wave attenuation structure, air bags, a fishing net, a fish pond and an anchoring device. The wave attenuation structure comprises a crown layer and a tree trunk layer. The crown layer is arranged on the top of the tree trunk layer. The air bags are arranged on the tree trunk layer. The fishingnet is arranged at the bottom of the tree trunk layer. The top of one side of the fishing net is provided with an inlet. The bottom of the fishing net is provided with an outlet. The fish pond is arranged on the bank. The anchoring device is arranged on the bank of the fish pond. A support is arranged on one side of the anchoring device. A solar panel is mounted on the top of the support. The support is provided with a control panel. The wave attenuation structure can effectively attenuate wave energy coming in all directions to protect the bank and prolong the service life of the bank. Meanwhile, the anchoring device can automatically collect fishes to the fish pond. The wave attenuation bottle device achieves the integration effect of intelligent integration of fish catching and fish collection and economic benefits and has the practical application value.

The invention discloses a transformer substation article management system based on an IOT (Internet Of Things) technology. The transformer substation article management system consists of an article labeled with an RFID (Radio Frequency Identification) tag, an article cabinet provided with RFID card reading modules, a storage cabinet group provided with electronic lock control modules, an access control card, a ZigBee wireless communication network, a ZigBee gateway and a server, wherein the storage cabinet group consists of more than one storage cabinet; the storage cabinets are respectively provided with an electronic lock controlled by the electronic lock control module; the ZigBee gateway is respectively connected with each RFID card reading module and each electronic lock control module by virtue of the ZigBee wireless communication network. The ZigBee gateway is connected with the server by virtue of a serial port / USB (Universal Serial Bus) interface. According to the transformer substation article management system, RFID and ZigBee of IOT key technologies are applied to automatic management on transformer substation articles; a closed uplink-downlink feedback and restriction mechanism is adopted, so that the article management timeliness is improved, the management levels of power enterprises are improved and the operation safety of an electric system is enhanced.

The invention relates to the field of a building material and discloses a semiautomatic openable framework capable of vertically rotating. The semiautomatic 90-degree openable framework comprises a top layer fixing bracket, wherein the top layer fixing bracket is arranged below a ceiling framework, and is formed by at least two sections of keel sections; all the sections of keel sections are respectively connected through G-shaped movable parts with two opposite G-shaped openings; each G-shaped movable part is respectively connected with the ceiling framework through a rotating shaft; the rotating shaft is arranged at a G-shaped sealing end of each G-shaped movable part; each section of the keel section can downwards rotate for 90 degrees along the G-shaped movable part at the end part; a locking device is further arranged between each section of the keel section and the ceiling framework; and when each section of the keel section of the top layer fixing bracket is horizontally placed and is used for locking each locking device, the top layer fixing bracket is fixed below the ceiling framework in parallel. The semiautomatic 90-degree openable framework can be folded and unfolded for 90 degrees, and the application and the installation are more convenient.

The invention discloses a preparation method of ceramic additive by modified composite biomass base and an application thereof. The method includes steps of mixing concentrated landfill leachate with starch under ultrasound wave catalyst, and then preparing black loose powder shaped ceramic additive through alkalization, sulfonation and quaterisation, and performing spraying and drying; after mixing, performing alkalization and sulfonation reactions on landfill leachate concentrated solution and starch; thus the activity of effective molecular structure can be improved; the further quaterisation can effectively control the product molecular weight, thus the prepared ceramic additive has good dispersing performance while can largely improve the ceramic blank generating intensity; moreover, the prepared ceramic additive has multiple functions such as dispersing, water reduction, wear assisting, sticking and defoaming; thus the side product of the waste treatment is recycled and effectively used, the crisis of non-renewable energy resource is released, the actual application value and the social value of the side product during the waste disposal process are realized.

The invention discloses a halogen-containing optically active oxazolidinone derivative and a preparation method therefor. The structural formula of the compound is shown as formula I. In the present invention, N-bromosuccinimide is used as a bromine source, and a complex of a chiral phosphine ligand and a Lewis acid is used as a catalyst to catalyze olefin substrates with different structures in an asymmetric bromine amine cyclization reaction; the optically active oxazolidinone derivative is synthetically prepared through a simple post-processing step of column chromatography. An enantiomer excess value (ee value) can reach up to 97%. The reaction can be scaled up to gram level and the ee value of the product after recrystallization can reach 99%, therefore the reaction has a potential industrial application value. Furthermore, the reaction product can be further derived into various useful compounds so as to achieve the application values of the product.

The invention relates to a preparation method of propranolol hydrochloride single enantiomers, comprising the following steps of: (1) preparing a saturated solution from a raw material drug of propranolol hydrochloride raceme; (2) injecting the saturated solution to a high efficiency liquid chromatography system, and separating according to conditions that n-hexane-ethanol-isopropanol-diethylamine is used as a mobile phase and a chiral chromatographic column is used as a stationary phase to obtain propranolol enantiomer fraction A and fraction B within different peak value ranges of a chromatogram map; (3) concentrating and then evaporating the propranolol enantiomer fraction A and fraction B respectively to obtain propranolol hydrochloride single enantiomer crude products A and B; (4) adding n-butyl to the propranolol hydrochloride single enantiomer crude products A and B respectively, and dissolving by heating to form hot saturated solutions A and B; and (5) filtering, cooling and drying the hot saturated solutions A and B respectively to obtain propranolol hydrochloride single enantiomers A and B. The preparation method of the invention is simple in process and can simultaneously obtain two enantiomers with high optical rotation purity at a high yield.

The invention discloses a preparation method of ceramic additive by modified composite biomass base and an application thereof. The method includes steps of mixing concentrated landfill leachate with starch under ultrasound wave catalyst, and then preparing black loose powder shaped ceramic additive through alkalization, sulfonation and quaterisation, and performing spraying and drying; after mixing, performing alkalization and sulfonation reactions on landfill leachate concentrated solution and starch; thus the activity of effective molecular structure can be improved; the further quaterisation can effectively control the product molecular weight, thus the prepared ceramic additive has good dispersing performance while can largely improve the ceramic blank generating intensity; moreover, the prepared ceramic additive has multiple functions such as dispersing, water reduction, wear assisting, sticking and defoaming; thus the side product of the waste treatment is recycled and effectively used, the crisis of non-renewable energy resource is released, the actual application value and the social value of the side product during the waste disposal process are realized.