39results about How to "High practical significance" patented technology

The invention discloses an equipment energy saving method and system applied to the mobile internet. The method comprises the steps that the data flow generated when users have access to the internet in a pre-set time period in a fixed region is predicted, and the prediction value of the data flow generated when the users have access to the internet in the pre-set time period in the fixed region at the date to be predicted is obtained; whether the prediction value of the data flow generated when the users have access to the internet in the pre-set time period in the fixed region at the date to be predicted is smaller than a pre-set flow threshold or not is judged, and if yes, energy saving operation is conducted on equipment in the pre-set time period in the fixed region when the date comes. According to the equipment energy saving method, energy saving operation arrangement is conducted according to prediction data, therefore, energy saving operation does not lag behind network flow changing any more, internet energy saving operation is conducted efficiently in a planned way, and internet operation and maintenance personnel can conduct equipment energy saving management more efficiently conveniently.

The invention discloses an optical fiber terminating graphical management method and system. The method comprises the steps of: S1, in response to input information of a user, acquiring optical cable sections, discs, terminals and a relation between the discs on a certain optical cable; S2, adding a terminal mapping relation for each optical cable section of the optical cable; and S3, in response to a query operation of the user, acquiring all paths related to the designated disc inquired by the user according to the established mapping relation and outputting the paths. The method and the system can simplify the optical fiber terminating management to a great extent, facilitate operation and management, bring great convenience to implementers, improve the management monitoring efficiency, reduce the cost, and can be widely applied to the optical fiber network management industry.

An agricultural harvesting machine has a measurement device for investigating a crop flow conveyed through the harvesting machine. The measurement device includes at least one optical detection unit disposed at the crop flow for detecting light reflected by the crop and an evaluation unit for evaluating the spectrum of the detected light in order to derive properties of the crop. The evaluation unit is disposed at a position of the harvesting machine that is decoupled from mechanical loading by the crop flow to the greatest extent possible and is connected to the detection unit by way of at least one optical waveguide.

The invention discloses a power load prediction method based on an improved long-term and short-term memory network. The method comprises steps of the characteristic of historical load being preliminarily screened by adopting the maximum information coefficient; the influence caused by load related factors being considered; and further screening the historical load by adopting a maximum correlation minimum redundancy algorithm, taking the screened feature set as the input of the model, carrying out power load prediction by adopting an improved long-short memory network, and verifying the obtained prediction result and the actual power grid load to prove the practicability of the model. According to the forecasting method (H-ILSTM) provided by the invention, the power load and related factors influencing the load are accurately considered, precision of power load forecasting is effectively improved, and safety and economy of power grid operation are improved to a certain extent.

The invention relates to an adaptive resource allocation method for a high-speed mobile 3G-HSDPA communication system. The system comprises a NodeB side and a UE side which mutually transmit communication signals. The method comprises the following steps that: the UE side reports a signal-to-noise ratio to the NodeB side at a certain time interval T; b, the NodeB side builds a prediction model according to the signal-to-noise ratio reported by the UE at certain time interval; c, the model is used to perform linear prediction to acquire a signal-to-noise ratio value in an actual data transmission process after the scheduling of the NodeB side; d, multi-user resource scheduling is performed according to the predicted signal-to-noise ratio value; e, according to the predicted signal-to-noise ratio value, data corresponding to a scheduled user are subjected to adaptive modulation and are transmitted to the corresponding UE side; and f, the NodeB side adjusts the parameters of the prediction model at the time interval T according to the signal-to-noise ratio reported by the UE side. The invention reduces system error rate on the basis of ensuring system throughput.

The invention relates to a sunshine tracking and concentrating method and a tracking-mode solar concentrating device, which belong to the field of high temperature applications of solar energy and can be applied in industrial production and heat sources for heating in life. The tracking solar concentrating device is the non-electric control tracking solar concentrating device which is mainly used for solving the problem of higher cost of an electric control high-temperature solar furnace device. A rotating rod (2) is connected with a shaft of a plane mirror (29), one end of a telescopic support (3) is connected with a shaft of a rotary support (35), and the other end thereof is connected with the first plane mirror (29). The first step is to lead the rotating rod (2) to be parallel to an earth axis of the earth, the second step is to lead an angle of a conical curved surface of 45 degrees on a normal line (28) and the rod (2) to be one half of a declination angle at the day, when the maximum sunshine height angle is achieved and the time is accurate to seconds, the rotary support (35) is synchronously driven with the sun, thereby obtaining reflected light (34) which is coincided with the rod (2) and consistent in the direction, and a plurality of the devices can achieve the condensing heating effect.

The method includes steps: in preparation phase of reorientation (RO), after accomplishing assigning RO resources, destination radio network controller (DRNC) returns back reply message of RO request to core network (CN); after receiving the message, CN sends message of RO command to source radio network controller (SRNC); after receiving the message of command, SRNC sends RO submission message to DRNC, and sends UTRAN message of mobile information to UE; after receiving the message, UE returns back confirmation message for UTRAN to DRNC; after receiving the confirmation message, DRNC starts up role change to SRNC, and then keeps up working on operation at ending phase. Being simple and easy to implement, the invention can raise PS real time service switching performance effectively and shorten data interrupt time delay of SRNS RO when SRNS carries out RO, no matter whether data are encrypted or not, and no matter what mode is adopted by RLC protocol.

The invention provides an LED driving circuit based on double PWM signals, an LED lighting device, and a driving method. The LED driving circuit comprises a first PWM signal input end, a second PWM signal input end, a first electrode switching circuit and a second electrode switching circuit; a first LED lamp group, wherein the anodes of all the LED lamp beads in the first LED lamp group are connected with the first electrode end, and the cathodes of all the LED lamp beads in the first LED lamp group are connected with the second electrode end of the second electrode switching circuit; a second LED lamp group, wherein the cathodes of all the LED lamp beads in the second LED lamp group are connected with the first electrode end, and the anodes of all LED lamp beads in the second LED lamp group are connected with the second electrode end. After a first PWM signal and a second PWM signal are inputted, the electrode output by the first electrode end is opposite to the electrode output by the second electrode end, and the first LED lamp group or the second LED lamp group is turned on.

The invention provides a tracking condenser lens, belonging to a solar applying field, and a medium and high temperature photothermal equipment capable of accurately tracking sunlight. The device can resolves problems that the prior concentration equipment uses electric-controlled facilities and has high cost. The parallel of earth axis is perpendicular to the center line of a rotating support body (15), a condenser lens (20) is fixed on the rotating support body (15), the rotating support body (15) is connected with a elevation angle adjustable frame equipment by a support body (16), the condenser lens rotates alone the sunlight when driving the rotating support body (15) by rotating one cycle as an apparent solar day, the focal point position is coincided with the center of the rotating support body (15) all along. The invention provides a non-electric-controlled and sunlight effective tracking solar heating equipment.

The invention discloses an air-based rail detection method based on an attention enhancement mechanism, belonging to the field of aviation surveillance. The method comprises the steps that firstly, the high-definition array camera is mounted on the aerial vehicle, and the original image of the railway track is acquired and pre-processed to obtain training samples; the images of the training samples are inputted into the convolutional neural network for feature extraction, and the 16*16 encoded images are obtained, and the attention enhancement is carried out to increase the ability of featureexpression; then the up sampling is carried out on the image after the attention enhancement by convolution neural network to get the same size decision map as the original image, and the decision mapis classified and judged, and a point in the decision map is a point on the rail; and finally, according to the decision result, the network parameters are updated by back propagation using gradientdescent algorithm. On the basis of precise detection, the method of the invention can monitor the surrounding environment of the rail and the safety condition of the rail, has accurate positioning andremarkable effect, and has strong engineering value and practical significance.

A method for cultivating perennial rice having perenniality using an asexual propagation characteristic of Oryza longistaminata, wherein a perennial rice carrying a perennial genetic locus of Oryza longistaminata and adapting to different ecological types is cultivated, which makes it possible to harvest for two or more years by means of planting only once, thereby increasing efficiency of rice cultivation and production.

The invention discloses a power generation device utilizing ship two-board wave energy. The device mainly comprises floating blocks, rails, a pulling rope, a transmission wheel, a transmission shaft,a power generator, a power generator base, a limiting base, a limiting spring and a sleeve. The power generation device mainly aims to realize utilizing wave energy in a ship sealing process by utilizing the floating blocks at left and right sides of a ship, provides part of power to the sailing ship, and achieves the effects of energy conservation and emission reduction. The floating blocks are symmetrically mounted with respect to left and right boards of the ship, and the two symmetrical floating blocks are the same in shape, and are equal in mass. Pulling force, on the pulling rope, of each floating block is equal to gravity of the floating block, so that the two floating blocks are balanced, and relatively good power generation effect also can be achieved while the floating blocks bear buoyancy force or upward impact force of relatively small waves. Multiple devices can be mounted on the ship, and wave energy resources around the ship can be sufficiently utilized, so that power generation amount is great. The power generation device is easily realized, and has a great practical application value.

The invention discloses a treatment method for enhancing degradation of methyl orange by anaerobic organisms. The method comprises steps as follows: simulated wastewater with methyl orange concentration of 10-50 mg / L is added to anaerobic sludge, and sludge acclimatization is completed; ferric oxide is added to the acclimatized anaerobic sludge, and a ferric oxide coupled anaerobic organism systemis constructed; a carbon source and methyl orange wastewater are added to the ferric oxide coupled anaerobic organism system; the methyl orange wastewater is subjected to sufficient mixing reaction in the ferric oxide coupled anaerobic organism system. According to the method, the methyl orange degradation efficiency of anaerobic organisms can be improved by adding a small amount of nano Fe3O4, and the removal rate of azo dyes in the wastewater under the optimal condition can reach 95% or higher. Besides, the quantity of the carbon source required in a reducing process is substantially reduced and is only 2 times the theoretical reducing amount of methyl orange. Nano Fe3O4 can be recovered under the action of an external magnetic field and can be repeatedly used, and therefore, the treatment cost of the wastewater is further reduced.

The invention discloses an emulsifying method of an ethylene-vinyl acetate copolymer, and belongs to the field of fine chemical engineering. The method comprises the following steps: dispersing moltenEVA (ethylene-vinyl acetate) resin into fine EVA particles under the dual actions of high-speed shearing action and an emulsifier, and converting EVA with a water-in-oil structure into EVA emulsion with an oil-in-water structure by an emulsion conversion method, and finally realizing the purpose of preparing the EVA water-based emulsion. The EVA emulsion prepared by the method can be used in thefield of water-based hot melt adhesives, has important application in the fields of carpets, artificial turfs and textiles, and has high practical application significance.

The invention belongs to the field of automatic testing, and relates to a calculation method for optimizing the bias condition in a power supply scanning parameter test. The method comprises the following steps: extracting a plurality of latest power supply scanning parameter test data, and removing out-of-range data; dividing the maximum value and the minimum value in the data into a plurality ofintervals at equal intervals; finding out a group with the maximum data volume, comparing the data coverage rate with a threshold value of the group, if the data coverage rate is smaller than the threshold value, expanding the leftward or rightward group, and taking the expanded group as the group with the maximum data volume; calculating a temporary bias range according to the grouping condition, expanding the two sides of the temporary bias range according to a fixed expansion value, and taking the expanded bias range as a test bias condition of the next power supply scanning parameter test. On the premise that existing power supply product scanning parameter testing hardware is not changed, new testing bias conditions are worked out according to historical testing result data, testingefficiency can be greatly improved, and the method is suitable for a wide testing product range.

The invention discloses a prestress wire harness whole body pulling device including a positioning seat and a traction head. The positioning seat is a cylindrical component, and the outer diameter ofthe positioning seat is equal or slightly smaller than the diameter of a smallest circumscribed circle of steel strand harness. One end of the cylindrical component is a threaded section, the side face of the other end of the cylinder is distributed with a plurality of grooves, and a center wire of one end a heading passes through the grooves. One end of the traction head is a cylindrical sectionwith external threads, and the other end of the traction head is a joint connected with a rotary connector. Under the state of use, the pier headed steel strands in the prestress wire harness correspondingly penetrate through the grooves of the positioning seat and are arranged on the preset position of the positioning seat, the cylindrical section with the external threads of the traction head isscrewed with the threaded section of the positioning seat, the joint at the other end of the traction head is connected with one end of the rotary connector of corresponding specification, and the other end of the rotary connector is connected with a wire rope which is used for connecting with a power device. The difficult problem of the whole bundle traction of the prestressed wire harness in the programme of similar section assembled concrete wind power tower tube is effectively solved.

The invention discloses a method for detecting the concentration of effective gelatin in a copper electrolyte, and belongs to the technical field of copper electrolysis. The technology can rapidly and quantitatively detect the effective concentration of gelatin in the copper electrolyte. According to the method, a hydrodynamic voltammetry is adopted, a rotating disc electrode is used as a working electrode, and the oxidation peak area during forward scanning is obtained in a scanning interval of 0.05 V to-0.1 V to 0.5 V (vs SCE); and a corresponding relation between the peak area and the gelatin concentration is established so as to obtain a standard curve, and the effective gelatin concentration in the copper electrolyte is determined rapidly according to the oxidation peak area of the solution to be tested. The application range of the copper electrolyte is as follows: the Cu<2+> concentration is 40-60g / L, the sulfuric acid concentration is 150-200g / L, and the gelatin is 0-40mg / L.

The invention discloses an epoxy modified fatty amine curing agent and application thereof in fixing glue for silicon ingot cutting, belonging to the field of photovoltaic material adhesives. The epoxy modified aliphatic amine curing agent comprises the following raw materials in percentage by mass: epoxy resin, an active diluent and polyamine. The epoxy fixing glue comprises a component A and a component B, wherein the component A comprises epoxy resin, an active diluent, a filler, a pigment, an anti-settling agent, an accelerant, a defoaming agent, a foaming agent and an adhesion promoter; and the component B comprises polymercaptan, the epoxy modified aliphatic amine curing agent, an active diluent, a plasticizer, an accelerant, a filler, a pigment, a defoaming agent and an anti-settling agent. The epoxy modified aliphatic amine curing agent provided by the invention is applied to the epoxy fixing glue used for temporarily bonding and fixing a metal workpiece plate and a plastic plate during silicon ingot diamond wire cutting. The fixing glue has the advantages of good flexibility, high bonding strength, low conductivity, high degumming speed and the like, has good temperature resistance, and can be cured at room temperature.

The invention discloses an LED stadium street lamp with a training function, which comprises a light pole, a lamp body and a ball-serving system, the lamp body is provided with an insect-proof component and an anti-glare component, and the ball-serving system includes an air tube transmission component and a wireless control component And the launch assembly, the air cylinder transmission assembly includes an air pump, a transmission cylinder, a hollow structure cavity is provided inside the light pole, a slot for placing balls is opened in the transmission cylinder, and a top of the transmission cylinder is provided with a The hollow structural cavity is matched with a piston, and the output end of the air pump is connected to the interior of the hollow structural cavity. The LED stadium street light with training function of the present invention uses an air pump to change the air pressure of the hollow structural cavity inside the light pole. When the internal air pressure changes, the piston will move up and down, and then drive the transmission cylinder to move up and down. Put the ball in the transmission cylinder to start The air pump lifts the transmission cylinder to the top of the light pole, starts the steering gear to adjust the angle, and then the pneumatic ejector rod is ejected to complete the ball throwing.

The invention provides a short-term wind speed hybrid prediction method, which comprises the following steps of: acquiring original high-resolution wind speed data of a wind power plant at a certain sampling interval, dividing the original high-resolution wind speed data into a training set and a test set, and respectively acquiring low-resolution wind speed data of the training set and the test set by adopting an average method; performing feature extraction and data compression on the low-resolution wind speed data and the high-resolution wind speed data to establish a multi-resolution wind speed data hybrid model; carrying out secondary development on predictable components in the preliminary prediction result, predicting errors of the multi-resolution wind speed data hybrid model by adopting a self-adaptive error correction method, and correcting the prediction result; and adopting wind speed sequences of multiple positions to re-mine related information among the multiple positions to improve the precision of the prediction model, and finally realizing multi-position data fusion prediction based on the multi-resolution hybrid model. The accuracy, the robustness and the system generalization ability of the wind speed prediction system are improved by using the wind speed hybrid prediction system combining multiple methods.

The invention discloses a polishing solution for a stainless steel showcase and a polishing method, and relates to the technical field of polishing of stainless steel. The polishing solution for the stainless steel showcase is characterized by comprising the following components in parts by weight: 100-150 parts of modified rice hull powder, 30-50 parts of hydrofluoric acid, 50-100 parts of hydrochloric acid, 30-50 parts of citric acid, 50-100 parts of lauryl sodium sulfate, 30-50 parts of monoethanolamine benzoate, 50-70 parts of di-o-tolyl-thiourea, 20-50 parts of polyethylene glycol, 20-50parts of coconut oil fatty acid and 900-1000 parts of water. The polishing solution prepared by the formula can remove rust on the surface of the stainless steel while polishing the stainless steel showcase, the polished stainless steel is not easy to repair, and the surface can be kept bright and clean for a long time.

The invention discloses a modeling method for low-speed cutting process simulation of a fiber reinforced composite material, relates to low-speed cutting processing of carbon fiber composite materials in automobiles and spaceflight, and aims to disperse a mesoscopic model of the composite material into hexahedral grids and consider the influence of a woven structure on cutting in the cutting process. The matrix phase and the reinforcement phase are defined by different material attributes, and the interaction between the fiber tows and the matrix is ignored to realize common node connection. The method specifically comprises the following steps: 1, determining geometric dimensions of models according to braided structures; 2, based on the braided structure, establishing different corresponding models; 3, establishing a periodic boundary condition, and defining a drill bit motion equation; 4, establishing contact attributes among the objects in the model; 5, giving material attributes to the defined fiber tows and a base body, wherein the base body simulates the breaking behavior of the base body in the cutting process through the isotropic elastic-plastic breaking constitutive, and the fiber tows simulate the breaking behavior of the fiber tows in the cutting process through anisotropic materials.

The invention belongs to the technical field of brain-computer interface technology application, and discloses a brain-computer information fusion classification method and system for shared subspace learning, and the brain-computer information fusion classification method comprises a training stage and a reasoning stage. In the training stage, paired images and brain response data are utilized, shared subspace model parameters of the images and brain responses are optimized through a contrast learning strategy of positive and negative sample sampling, and an image classifier is trained; in the reasoning stage, image features are extracted for classification, and the application target of the whole brain-computer information fusion classification system is achieved. According to the brain-computer information fusion classification system based on shared subspace learning, the shared subspace can be trained in an end-to-end mode, efficient migration of brain cognitive information is achieved, and the performance of an image classification task in a complex open scene is improved; through the application that the brain is not in the loop, the efficiency and the stability in the practical application are improved, and the method has a wide application prospect under a new normal form of brain-computer information cooperative work.

An optional combination method utilizing Xieqing Zao A to perform test cross on a plurality of male parents relates to the agricultural technology field. The optional combination method comprises the following methods of a first season: (1), introducing male parents with the best quality to achieve test cross with the Xieqing Zao A respectively, and arranging separation devices among cells to prevent pollen from being spread among the cells; (2), knowing about a period of duration and a head spreading period of each of the male parents in details, enabling the male parents and the Xieqing Zao A to achieve matching test cross according to phase difference; (3) observing the outcrossing maturing rate of each matching cell to reserving seeds with the outcrossing maturing rate higher than 85% and weed out seeds with the outcrossing maturing rate lower than 85%, observing other expression characters specified by seed production to weed out seeds with poor expression, independently harvesting, threshing and storing the seeds by the cells, and performing marks; a second season: separately planting seeds meeting the specifications of each cell in different cells, observing cultivated characters and biological characters of the seeds, observing and measuring the seeds subjected to plant diseases and insect pests, taking samples to perform rice quality appraisal, and reserving seeds meeting the standards in the cells to perform approval; a third season: fixing up test places, performing hybrid indica joint identification, and performing approval and promotion. The optional combination method is simple and practical, and the cultivated seeds are high in quality. Therefore, the optional combination method has high practical application significance and can increase grain yield.

The invention provides a solar cell which comprises optical elements and semiconductor material cells. The optical elements are used for forming a plurality of monochrome areas and a mixed area on an output plane, the monochrome areas enable a plurality of wave lengths of sunlight to be focused respectively, and the mixed area is used for enabling the wave lengths to be converged in a mixed mode. The semiconductor material cells are arranged on the monochrome areas and the mixed area on the output plane respectively. The semiconductor material cells which are arranged on the monochrome areas are used for collecting sunlight focused in the monochrome areas, and the semiconductor material cells distributed on the mixed area are used for collecting sunlight converged in the mixed area. The solar cell can utilize energy of the mixed area, so that photoelectric conversion efficiency of the solar cell is greatly improved, and practical significance of the color-separation focusing optical elements applied to the solar cell is further improved.

The invention discloses a compound feed additive for promoting lactation of livestock and increasing milk yield of the livestock. The compound feed additive comprises the following traditional Chinesemedicine components: semen vaccariae, astragalus membranaceus, codonopsis pilosula, angelica sinensis, ligusticum wallichii, radix rhapontied, herba lycopodii, luffa stems, herba portulacae, liquorice, radix bupleuri and flos lonicerae; and the following functional components: sunflower seeds, sweet sorghum, cooked fish and shrimps and carotene. According to the compound feed additive, a natural,non-toxic, side-effect-free, residue-free, safe, reliable, environment-friendly and drug-resistant traditional Chinese medicine composition is used as a raw material, the traditional Chinese medicinecomposition rapidly plays a role after being extracted and is easier to digest and absorb through lactic acid bacteria fermentation, and more importantly, the traditional Chinese medicine compositionis used in cooperation with other nutrient substances to improve overall effect, promote lactation from various aspects, and increase milk yield, thus the compound feed additive has high practical application significance.

The invention relates to the related field of information monitoring, and discloses an Internet of Things multi-cooperation data terminal device for public toilets, which realizes effective monitoring and analysis of a plurality of public toilets in one area through the arrangement of a public toilet monitoring module, a personnel analysis module, a path analysis module and a guide indication module. Therefore, people needing to use the public toilets are guided to go to the public toilets with many idle positions through the guide indication module to use, and the problems that use distribution of the toilets in a current area is unbalanced, a large number of people wait for use in a part of the toilets, and a part of the toilets are completely idle can be effectively solved; and the device has relatively high practical use significance.

The invention relates to a special compound nutrient for fishes and in particular relates to a special compound micro-element nutrient for fishes for facility aquaculture of fugu rubripes and a preparation method thereof. The special compound micro-element nutrient is composed of 10-25% of a monomeric compound micro-element nutrient source material and 75-90% of a carrier in percentage by weight.The monomeric compound micro-element nutrient source material is iron, zinc, manganese, copper, cobalt, selenium and iodine; and the carrier is natural medical stones. The technical product provided by the invention has a promoting effect on growth performance of high density animals by facility aquaculture, has an obvious effect in reducing water pollution and keeping ecological balance of waterand healthy and environment-friendly breeding, and has a wide application prospect in facility aquaculture with indoor flowing water and plant circulating water of fugu rubripes in China and production of ecological clean feeds.

The invention discloses a biological deodorant and a preparation method and application thereof. The biological deodorant is prepared from an adsorbent, a complex microbial inoculant, a binder, modified starch, a humectant and a penetrant, wherein the complex microbial inoculant is formed by mixing saccharomycetes, lactic acid bacteria, bacillus coagulans, acetic acid bacteria and sulfur bacteria;the deodorization effect is achieved through metabolism of microorganism bacteria, the microorganism bacteria are loaded on the surface of the activated carbon, the activated carbon plays a role in adsorbing odor molecules, the odor molecules adsorbed in the activated carbon are rapidly digested and decomposed by the microorganism bacteria loaded on the activated carbon, the good deodorization effect is achieved, and meanwhile blockage of the adsorbent is avoided; and the service life is guaranteed; in addition, film forming elements are added into the components, a firm deodorization film isformed on the surface of the garbage after the deodorant is sprayed, diffusion of odor molecules is inhibited, a large amount of activated carbon is assisted in adsorption and decomposition treatment, the rapid and efficient deodorization effect is achieved, and high practical application significance is achieved.