32results about How to "Address overdependence" patented technology

The invention belongs to the technical field of computer video processing and particularly relates to an automatic video advertisement detection method. The method comprises the following steps: a digital television signal or a local video format broadcast by a television station is input; then, shot segmentation, key frame extraction, FMPI frame classification, copy detection and suspected advertisement detection are carried out on a video by comprehensively adopting color, texture and edge features; and finally an advertisement component in the video is analyzed out. The automatic video advertisement detection method can be used for filtering advertisements in digital television rebroadcast and solving the problem of automatic video data annotation in projects. The method adopts the concept of FMPI key frame, greatly improves the advertisement copy detection accuracy and algorithm efficiency and provides a very reliable basis for making a classifier based on the characteristics of an FMPI key frame for suspected advertisement detection.

The invention discloses a modified soybean-based protein adhesive and a preparation method thereof. The method comprises the following steps in sequence: (1) adding degreased bean flour into water forpreparing bean flour mucilage; (2) adding a proper quantity of lye into the bean flour mucilage for modification, adding a crosslinking agent, and uniformly stirring for preparing the modified bean flour mucilage; (3) adding an initiator into the modified bean flour mucilage, and uniformly stirring. A man-made board made by the modified soybean-based protein adhesive has high waterproof bonding strength and no formaldehyde release.

The invention discloses an economic dispatching method with robust collaborative consistency. The method comprises the following specific steps: determining a laplacian matrix L; obtaining a total power P<D>, and initializing power generating powers of various units and calculating power deviations; correcting the laplacian matrix L in real time; calculating a consistency gain function c(k); updating a virtual consistency variable of a leader and a follower; calculating real consistency variables of various units; solving the power generating powers P<Gi> of the units; determining power deviations [delta]P and judging whether a power error margin P<error> is met or not; and if so, ending iteration and outputting an optimization result. According to the economic dispatching method, the problem that a traditional CCA algorithm excessively depends on an ideal communication network is solved; the economic dispatching method has robustness on transmission delay and noise interference; the vulnerability that a traditional CCA algorithm cuts off the units from a key position of a communication topology is solved; and plug and play characteristics of the units are considered.

The invention relates to a precise quantification and intelligent stirring, grinding, circulation, dissolving and mixing system for fertilizer. The system comprises a solid fertilizer precise quantification feeding system, a fertilizer-water circulation, stirring, grinding, dissolving and mixing system and a precise quantification and intelligent control system. The solid fertilizer precise quantification feeding system comprises a rotary loading table, a fertilizer loading bin, a weighing box and an electric fertilizer discharger. The fertilizer-water circulation, stirring, grinding, dissolving and mixing system comprises a fertilizer grinding, stirring, dissolving and mixing pump, a fertilizer dissolving tank, a liquid storage tank and the like. The precise quantification and intelligent control system comprises an intelligent control management table, a programmable logic controller, an alternating current contactor, a fertilizer-water precise quantification, dissolving and mixing control formula and the like. By means of the system, common fertilizer with high solubility can be directly utilized for water-fertilizer integrated management, and the problem that water-fertilizer integrated technology excessively depends on special water soluble fertilizer is effectively solved.

The invention provides a spectral characteristic tester based on a synchronous pulse measurement technique. The spectral characteristic tester comprises a synchronous controller, a pulse light source, a high-speed acquisition card, a computer system, a first photoelectric detector, a second photoelectric detector and a test light path system; the synchronous controller is provided with four output ends, wherein one of two output ends is connected with the pulse light source, and the other of two output ends is connected with the computer; the other two output ends of the synchronous controller are respectively connected with two channels of the high-speed acquisition card, two paths of correspondingly output signals respectively serve as outer trigger signals of the two channels, and the other two output ends are used for controlling the high-speed acquisition card to collect the signals in the two corresponding channels; the two channels of the high-speed acquisition card are simultaneously connected with the first photoelectric detector and the second photoelectric detector respectively. The tester can accurately measure light pulse signals in a wide wavelength range and a wide pulse width range.

The invention relates to a modified PAE resin cross-linking agent, a modified adhesive and application. The modified PAE resin cross-linking agent is prepared from water, adipic acid, diethylenetriamine, a modifier and epoxy chloropropane. The embodiment of the invention provides a modified PAE resin cross-linking agent, wherein the main chain of the cross-linking agent is grafted with a catecholgroup with an adhesion function. It is accidentally found that by grafting catechol functional groups to the main chain of PAE and adopting the high-activity crosslinking technology, so that the initial viscosity of the prepared protein adhesive is remarkably improved, the pre-pressing forming time is greatly shortened, the water-resistant bonding strength is improved, and the national standard requirements are met.

The invention discloses bio-based epoxy resin containing a triazine ring structure, and a preparation method thereof, and belongs to the technical field of bio-based polymer materials. The preparationmethod comprises the following steps: by taking an aldehyde group-containing bio-based compound as a raw material, converting the aldehyde group into a cyano group, and then carrying out cyano trimerization reaction under the catalysis of trifluoromethanesulfonic acid to prepare the triazine ring structure-containing full bio-based carbon source triphenol monomer capable of being used for polymersynthesis. According to the invention, the bio-based monomer can react with epichlorohydrin to finally obtain a bio-based epoxy resin precursor containing a triazine ring structure; and after the prepared bio-based epoxy resin containing the triazine ring structure is cured, the bio-based epoxy resin has good thermal stability, mechanical property and flame retardant property than petroleum-basedbisphenol A epoxy resin, and has the possibility of replacing existing petroleum-based related products.

The invention relates to a modified isocyanate emulsion cross-linking agent, a modified adhesive and application. The modified isocyanate cross-linking agent is prepared by polymerizing a modifier andisocyanate, wherein the modifier contains a catechol group. The embodiment of the invention also provides a modified vegetable protein adhesive prepared from the modified isocyanate emulsion cross-linking agent. According to the preparation method, polyphenol substances containing catechol groups are polymerized with isocyanate, so that the stability of isocyanate can be improved; when the isocyanate is used for preparing the vegetable protein adhesive, not only can the pre-pressing performance of the adhesive be improved, but also the water resistance and the bonding strength of the adhesivecan be effectively enhanced.

The invention relates to a method for producing ultrahigh-purity pig iron with an iron bath smelting reduction process. The method for producing the ultrahigh-purity pig iron comprises following steps: raw materials entering a furnace are screened, and the raw materials entering the furnace comprise mineral powder, pulverized coal, a magnesium-containing flux and limestone flour; the mineral powder is preheated and preoxidized to remove sulfur and arsenic in the mineral powder; the preheated and preoxidized mineral powder and the magnesium-containing flux are blown into a smelting reduction furnace by a mineral powder injection system; the pulverized coal and the limestone flour are blown into the smelting reduction furnace through a pulverized coal injection system; initial molten iron ismade by controlling production conditions in the smelting reduction furnace; and the initial molten iron is subjected to external desulfurization, and the ultrahigh-purity pig iron is made. Accordingto the method, the lower-grade mineral powder is preoxidized firstly before fed into the smelting reduction furnace, desulfurization rate of 50%-80% and dearsenification rate of 30%-40% are realized,then, by controlling for the production conditions in the smelting reduction furnace and the external desulfurization, the ultrahigh-purity pig iron is produced, and therefore, the problem of over dependence on high-quality raw materials in domestic production of the ultrahigh-purity pig iron is solved.

The invention discloses a multi-unmanned aerial vehicle distributed control system, a cooperative control method, a medium and an unmanned aerial vehicle formation, and relates to the technical field of unmanned aerial vehicles. A piloting following cooperative controller carried by an airborne computer establishes connection with a piloting unmanned aerial vehicle based on an ROS inter-process publication subscription message transmission mechanism and a Mavos function packet, and communicates with a plurality of following unmanned aerial vehicles; and when a certain following unmanned aerial vehicle breaks down, flight controllers carried by other following unmanned aerial vehicles continue to refer to the flight path specified by the pilot unmanned aerial vehicle and drive the following unmanned aerial vehicle to go to a specified target point to form an expected formation according to expected speed and position instructions. According to the invention, the ROS, the unmanned aerial vehicles, a wireless router and other components and a piloting-following control method are utilized to realize the function of cooperative flight of the multiple unmanned aerial vehicles, so that the task execution efficiency of the multi-unmanned aerial vehicle system can be improved, and the task execution reliability and the flexible expansion of the number of the unmanned aerial vehicles are ensured.

The invention relates to a cross-linking agent for a bean-based protein adhesive for an artificial board, a preparation method of the cross-linking agent, the bean-based protein adhesive for the artificial board and a preparation method of the bean-based protein adhesive. According to the invention, a main raw material, namely soybean meal is residues of food crop processing and is a renewable resource, so the bean-based protein adhesive can simultaneously solve problems in recycling of grain crop wastes, the problem of high cost of biomass adhesives and the problem of excessive dependence ofsynthetic adhesives on fossil resources, meets the requirements of environmental protection and sustainable development, and has important economic and social benefits.

The invention relates to a water-borne epoxy resin cross-linking agent, a modified protein adhesive and application. The water-borne epoxy resin cross-linking agent is prepared from water, an organicsolvent, a comonomer, methacrylic acid, epoxy resin, an initiator and a neutralizing salt. The water-borne epoxy resin cross-linking agent provided by the embodiment of the invention is high in reaction activity, can be uniformly dispersed in the modified protein adhesive, and can cross-link and seal protein molecule hydrophilic groups during curing. The embodiment of the invention also provides the modified protein adhesive containing the cross-linking agent. Experiments show that the modified protein adhesive prepared from the water-borne epoxy resin cross-linking agent has the advantages ofhigher bonding strength, good water resistance, low cost, high cross-linking density, no formaldehyde release and the like.

The invention discloses an image semantic segmentation method. According to the method, the problem that semantic segmentation of a synthetic data set image excessively depends on the performance of an image translation model is solved by reversely improving the image translation model through a first image segmentation model; the output data of an optimized image translation model (a first imagetranslation model) and the output data of a first image segmentation model are used to translate an image. Therefore, the first image segmentation model can be optimized again through supervised learning, an image semantic segmentation model (a second image segmentation model) with stronger domain invariant feature distinguishing ability is obtained, semantic segmentation is performed on the target image by adopting the image semantic segmentation model (the second image segmentation model), and image semantic segmentation can be completed. The method solves the problems that in the prior art,the performance of the image translation model greatly influences the segmentation result and cannot be corrected.

The invention discloses a method for analyzing natural language features, and relates to the field of language analysis. The present invention is used for solving the problem that the tester and the subject are overly dependent on a test system in the prior art. The method comprises the following steps: acquiring the natural language information of the subject, and processing the natural languageinformation to obtain the processed language information; and determining the number of sentences included in the language information, and determining the latitude information corresponding to each sentence by a natural language feature analysis method.

The invention discloses a pennisetum sinese planting device and method, and belongs to the technical field of pennisetum sinese planting. The pennisetum sinese planting device structurally comprises an upper box body fixedly arranged through a support, a lower box body matched with the upper box body is arranged below the upper box body, a cutting blade is arranged at the upper end of the lower box body, and the lower end of the lower box body is fixedly arranged on a conveying mechanism. Through matching of the upper box body and the lower box body,pennisetum sinese planting gets rid of dependence on land, and meanwhile, stems, leaves and root hairs can be quickly separated, so that the stems, the leaves and the root hairs can be fully utilized, large-scale mechanical planting is conveniently realized and the planting efficiency is improved by matching with a conveying structure, organic solid wastes can be added into the box body after being treated, nutrients are provided for growth of pennisetum sinese, and humus resources are produced; and the pennisetum sinese planting device and method can be popularized and applied to the field of planting of root block type Chinese herbal medicines for many years, the problem that plants excessively depend on the land during planting is effectively solved, and meanwhile sustainable production and repeated utilization of resources are facilitated.

The invention relates to a solid fertilizer continuous dissolving and injecting all-in-one machine and a control method thereof. The solid fertilizer continuous dissolving and injecting all-in-one machine comprises a grinding device, a feeding device and a dissolving chamber, wherein the feeding device communicates with a feeding port of the grinding device; the dissolving chamber communicates with a discharging port of the grinding device; and the dissolving chamber is provided with a water inlet hole and a fertilizer outlet hole lower than the water inlet hole. The machine can be specially used for rapidly dissolving a soluble solid fertilizer and injecting a fertilizer liquid into an irrigation system, so that water and fertilizer integrated management is realized, and the blank of water and fertilizer management mechanization is made up; procedures of grinding and crushing, small-water dissolution, repeated circulating dissolution promotion through suction, flushing and spraying, three-stage filtration and fertilizer injection of the solid fertilizer are completed in sequence, the fertilizer dissolving and fertilizer injection processes are continuous, and the mechanical working efficiency is remarkably improved; a multi-chamber continuous filtering device can realize dissolving and mixing of the solid fertilizer in a short time, so that the stability of the concentration of the output fertilizer liquid is improved; and the flushing nozzles push liquid in all the cavities to rotate and flow at the same time, the liquid is mutually blended, and fertilizer dissolution andfertilizer liquid uniform mixing are remarkably accelerated.

The invention provides a high-flow oxygen therapy instrument, which comprises an oxygen generation unit, an external oxygen supply interface and a pipeline switching unit, wherein the oxygen generation unit is used for receiving air and generating oxygen, the external oxygen supply interface is used for communicating with an external oxygen source, and the pipeline switching unit is used for switching the oxygen generation unit or the external oxygen supply interface to supply oxygen. The high-flow oxygen therapy instrument can adapt to the oxygen supply mode of internal oxygen supply or external oxygen supply automatically, and is suitable for various scenes such as hospitals and families.

The invention provides a heating control method, a hot water assembly and a computer readable storage medium. The hot water assembly comprises a gas water heater and an auxiliary water heater which are connected in series, a water outlet pipe of the auxiliary water heater communicates with a water inlet pipe of the gas water heater, and the heating control method comprises the steps that the water inlet temperature of the gas water heater is obtained; the water inlet flow of the gas water heater is determined according to the water inlet temperature and the set temperature; the theoretical water outlet temperature of the gas water heater is determined according to the water inlet flow; and combustion of the gas water heater is controlled according to the theoretical outlet water temperature. By means of the technical scheme, the water outlet temperature during starting can be prevented from being too high, meanwhile, gas consumption is reduced, and a user can use the water heater safely, reliably, comfortably and softly.

The invention relates to a fertilizer precise and quantitative intelligent grinding cycle blending system, comprising a solid fertilizer precise and quantitative feeding system, a fertilizer water circulation stirring and mixing system and a precise quantitative intelligent control system; the solid fertilizer precise and quantitative feeding system includes a rotary loading system platform, fertilizer loading bin, weighing box, electric fertilizer discharger; the fertilizer-water circulation stirring and mixing system includes fertilizer grinding and mixing pumps, fertilizer dissolving tanks, liquid storage tanks, etc.; the precise quantitative intelligent control system includes intelligent control management consoles, Programmable logic controller, AC contactor, precise and quantitative mixing control prescription of fertilizer and water, etc.; the present invention can directly use common fertilizers with high solubility to carry out integrated management of water and fertilizer, effectively solving the problem of excessive dependence of water and fertilizer integration technology on special water-soluble fertilizers .

The invention relates to a sulfhydrylated PAE resin cross-linking agent, a modified protein adhesive and a preparation method of the modified protein adhesive, and belongs to the technical field of adhesive preparation. The thiolated PAE resin cross-linking agent is prepared from the following raw materials in parts by weight: 100 parts of water; 15-30 parts of adipic acid; 15 to 30 parts of diethylenetriamine; 15 to 30 parts of epoxy chloropropane; 5-10 parts of a modifier; wherein the modifying agent is one or a mixture of more of mercaptoethylamine, beta-mercaptoethanol, mercaptopropionic acid, dithiothreitol and cysteine. The main chain of a prepolymer of the cross-linking agent is terminated by a high-reaction-activity group-SH, so that a cross-linking system in modified soybean glue is enriched and a dense water-insoluble three-dimensional network is formed by constructing disulfide bonds and hydrogen bonds between the-SH and soybean protein molecules, the solid content of the prepared soybean protein adhesive is increased, and the soybean protein adhesive has a good water-soluble property. The water-resistant bonding strength is obviously improved, and the national standard requirements are met.

The application relates to a method for producing ultra-high-purity pig iron by an iron bath smelting reduction method. The method for producing ultra-high-purity pig iron includes the following steps: screening the raw materials for the furnace, the raw materials for the furnace include ore powder, coal powder, magnesium-containing flux and limestone powder; preheating and pre-oxidizing the ore powder to remove the ore powder Sulfur and arsenic in the furnace; the preheated and pre-oxidized ore powder and magnesium-containing flux are blown into the smelting reduction furnace through the ore powder injection system; the coal powder and limestone powder are blown into the smelting reduction furnace through the coal powder injection system ; By controlling the production conditions in the smelting reduction furnace, the initial molten iron is obtained; the initial molten iron is desulfurized outside the furnace to obtain ultra-high-purity pig iron. This method pre-oxidizes the low-grade ore powder before sending it into the smelting reduction furnace to achieve a desulfurization rate of 50-80% and arsenic removal rate of 30-40%, and then controls the production in the smelting reduction furnace Conditions and desulfurization outside the furnace to produce ultra-high-purity pig iron, which solves the problem of over-reliance on high-quality raw materials for domestic production of ultra-high-purity pig iron.

The invention is applicable to the field of informatization graphic configuration and provides a method and a system for constructing a virtual equipment widget. The method comprises the following steps of manufacturing a virtual equipment template; constructing data communication between the virtual equipment template and real equipment, and receiving data sent by the real equipment through the virtual equipment template; manufacturing a communication data standard template; analyzing the data sent by the real equipment and received by the virtual equipment template according to the standard template, so as to obtain function attributes of the real equipment; loading the function attributes into the virtual equipment template; and automatically creating a virtual equipment widget corresponding to the real equipment based on the virtual equipment template. The method and the system can be used for releasing the strong coupling of the virtual equipment widget and specific equipment, improving the easiness in use, compatibility and intelligence of a configuration system and lowering the implementation cost and the late-stage maintenance cost on the premise of not influencing the existing operation mode of the configuration system.