35results about How to "Broaden the range of sources" patented technology

The invention relates to a method and a device for accessing a smart camera. The method comprises the following steps: detecting an access medium for accessing a first smart camera; generating a corresponding first access request when that the access medium is a local area network is detected, wherein the first access request carries an access password; sending the first access request to the first smart camera in order that the first smart camera accepts access after pass of verification of the access password in the first access request. Through adoption of the method and the device, the first smart camera can be accessed through a local equipment access authentication mechanism when a terminal and the first smart camera are in the same local area network but cannot access the Internet, so that the security in accessing the smart camera is improved; the personal demand of a user on access to the smart camera is met; and the user experience is improved.

The invention provides a method for separation and purification of high-purity aluminum. According to the method, the high-purity aluminum is prepared from primary aluminum by virtue of a smelting method, a segregation method and a batch ultrasonic separation method, wherein the purity of the produced qualified high-purity aluminum can be 99.99-99.9999%. Specifically, the method comprises the following steps: loading the raw material in a smelting furnace, and heating to 680-750 DEG C so that the raw material is melted into molten aluminum; adding a refining agent and smelting, and then discharging 1-10% of molten aluminum at the bottom; transferring the rest molten aluminum into a segregation furnace; adjusting the flow rate of cooling gas and cooling the wall of the furnace at 558-665 DEG C, and then carrying out segregation and crystallization; vibrating the segregated crystals by use of ultrasonic waves, and when the segregated crystals are separated from the wall of the segregation furnace until 15-35% of alumium liquid is left in a crystallization furnace, pouring out the residual liquid; cooling a crystallized alumium ingot and then taking out; and removing 3-15% of the weight of the ingot from the head and the tail parts of the crystallized ingot respectively, thus obtaining the high-purity aluminum product.

The invention provides a method for preparing a feed for rabbits. The method is characterized in that such raw materials as traditional energy, proteins, coarse feed raw materials, trace elements, multiple vitamins and the like in the formula are reasonably combined by special formula software to conform to the feed standard and then the raw materials are prepared into the pellet feed easy to feed by special feed pipeline processing matching equipment; the raw materials include maize, bean pulp, maize protein powder, wheat bran, DDGS (corn distillers dried grains with solubles), salt, amino acids, alfalfa powder, peanut vine powder, maize peel, special trace elements, special probiotics and special multiple vitamins; and before the feed raw materials are added and combined, the maize is finely ground, the alfalfa and peanut vines are added after undergoing secondary grinding, other raw materials are mixed with the powder and then the mixture is added to a special pelleter for steam to be pelleted and cooling treatment, quantification and package are carried out after pelleting, thus feeding the feed.

The invention discloses a method, a device and a system for converting an RTMP protocol into an NDI protocol, and the method comprises the steps: obtaining media stream data from a server supporting the RTMP protocol; analyzing and extracting audio and video frames from the media stream data; decoding the audio and video frames to obtain original audio and video data; and converting the original audio and video data into target media stream data through an instruction, wherein the target media stream data is suitable for NDI protocol transmission. The method disclosed by the invention comprises the following steps of: importing media frequency stream data transmitted by adopting an RTMP (Real Time Message Protocol) on a network into a target media stream data production workflow of a localarea network adopting an NDI (Network Data Interchange) protocol; the video source range in the local audio and video production workflow is expanded, and the conversion cost from an RTMP protocol platform to an NDI protocol platform is reduced.

A method for preparing low-toxicity modified coal pitch for road building includes the steps that coal-tar pitch, terephthalaldehyde modifiers, p-toluenesulfonic acid catalysts and a cyclohexane solvent are fully dissolved, dispersed and continuously stirred for reaction; then, the cyclohexane solvent is recycled through pressure reduction distillation to obtain a coal pitch mixture, and the low-toxicity modified coal pitch for road building is prepared after vacuum drying. The method is simple in technology, low in modification temperature and little in modifier use amount, the solvent can be recycled, the content of 16 toxic polycyclic aromatic hydrocarbons detected by EPA in the modified coal pitch is greatly reduced, and the high-temperature coal pitch is modified into medium-temperature coal pitch.

The invention discloses a method for regulating and controlling preparation of calcium carbonate micro-nanospheres through calcium lignosulfonate. The method is characterized by taking calcium lignosulfonate as an organic substrate on the basis of a biological mineralization principle, and changing such technological parameters as calcium lignosulfonate concentration, concentration ratio of Ca<2+> to CO3<2->, system temperature, system pH value and the like, so as to regulate and control regulation of calcium carbonate micro-nanospheres differing in morphology and size, thus meeting application demands in various technological fields. The technology disclosed by the invention is rapid, efficient and environmentally friendly; and the prepared calcium carbonate micro-nanospheres differing in morphology and size, which take calcium lignosulfonate as an organic regulating and control substrate in raw materials thereof, can be widely applied to such industries as paper making, rubber, plastic and the like, and the calcium carbonate micro-nanospheres have important environmental benefit and economic value.

The embodiment of the invention provides a data acquisition method and a node device, which are related to the field of communication and can reduce the need for server bandwidth under the premise of reducing time delay of an information release system. The method comprises the following steps that: according to parameter information of to-be-broadcasted advertisement data, a first node determines a to-be-broadcasted advertisement data segment which is not received yet currently by the first node, and acquires the parameter information of the to-be-broadcasted advertisement data, wherein the to-be-broadcasted advertisement data is composed of at least one to-be-broadcasted advertisement data segment; the first node performs data interaction with a second node, determines a neighbour node of the first node, wherein the neighbour node of the first node is the one having the data corresponding to the to-be-broadcasted advertisement data segment which is not received yet currently by the first node; and the first node transmits a data request for acquiring the data corresponding to the to-be-broadcasted advertisement data segment which is not received yet currently by the first node, to the neighbour node. The data acquisition method and the node device are used for an advertisement information release system.

The invention relates to a tuna oligopeptide powder composition. The tuna oligopeptide powder composition comprises the following components in parts by weight: 25-30 parts of tuna oligopeptide powder, 10-15 parts of fructo-oligosaccharide, 15-20 parts of fish collagen peptide powder, 15-20 parts of Western Indian cherry juice powder and 15-20 parts of honey peach juice powder. 5-10 parts of erythritol, 1-2 parts of a compound sour sweetening agent and 3-4 parts of water-soluble sugar, wherein the water-soluble sugar is fucoidin or chitosan oligosaccharide. The tuna oligopeptide powder composition is used for reducing the uric acid level in serum. The tuna oligopeptide powder composition not only can effectively reduce the serum uric acid level, but also can effectively reduce the serum uric acid level, the main component small molecule peptide is easily absorbed by the human body, the compatibility of various raw and auxiliary materials is helpful for maintaining the health level, notoxic or side effect is caused after long-term eating, the defect of side effects of drugs can be effectively solved, and the human health condition is maintained.

The invention discloses a simulation modeling method based on graph matching identification, comprising the steps: acquiring configuration information of a drawing in a source file of a first format, the configuration information comprising line segment information and text information; generating a redrawn picture and a mapping table according to the obtained configuration information, wherein the redrawn picture comprises picture libraries composed of line segments and connecting line segments between the picture libraries, and the mapping table comprises mapping relations between the text content and the line segments and position coordinates of the line segments; according to a preset feature information base, identifying the picture library category in the redrawing picture, the attribute of the connecting line segment and the parameter attribute in the mapping table; converting the recognized picture library category, the attribute of the connecting line segment and the parameter attribute into a simulation model file; and importing the simulation model file into simulation modeling software to generate an executable simulation model. Correspondingly, the invention further provides a simulation modeling device based on graph matching identification. According to the simulation modeling method, the modeling efficiency and the modeling accuracy can be improved.

The invention discloses a metal smelting method which comprises the following steps: introducing metallic ores containing metal oxides and reducing gas into a vertical reactor to carry out reducing treatment on the metal oxides, thereby obtaining a reduction product containing a metal substance; introducing the reduction product into a melting furnace to carry out melting separation treatment, thereby respectively obtaining furnace slag and a liquid metal simple substance; and recycling heat generated by melting separation treatment by using a waste heat boiler. The method can effectively smelt metallic ores to prepare the metal simple substance, and can also effectively recycle heat generated by the melting separation treatment.

The invention provides a processing technique of a vacuum high-temperature sterilization soft-packaged duck seasoned with soy sauce using tender duck meat as a raw material. The processing technique comprises steps of periodically repeated tumbling and seasoning of the duck meat under low-temperature vacuum and normal-pressure conditions, immersing the duck meat in brine under closed low-temperature and normal pressure conditions, drying the duck meat stepwise at high and low temperature, mixing the material, conducting vacuum packaging, high-temperature cooking sterilization and cold processing. The processing technique creatively and effectively solves the problem that the tender duck meat is difficult to be used for production due to high moisture content in meat texture and flaccid taste of meat fibers. By organic cooperation between processes, the meat fibers are fundamental changed, so as to enhance firmness of the tender duck meat, and provides the tender duck meat with a intensive sense of fiber, tough and chewy meat texture and bouncy taste and achieves tenacious chewy sense of tough duck meat. The processing technique broadens the range of raw material sources for duck meat products, greatly shortens the preparation time of tender duck meat products, and significantly increases the production capacity. The soft-packaged duck products seasoned with soy sauce prepared by the invention meet the requirements of food safety, can be stored at room temperature for 10 months, eaten immediately after opening the package, and has broad industrialization value.

The invention discloses a metal smelting method which comprises the following steps: introducing metallic ores containing metal oxides and reducing gas into a vertical reactor to carry out reducing treatment on the metal oxides, thereby obtaining a reduction product containing a metal substance; and introducing the reduction product into a melting furnace to carry out melting separation treatment, thereby respectively obtaining furnace slag and a liquid metal simple substance. The method can effectively smelt metallic ores to prepare the metal simple substance, and can also effectively recycle heat generated by the melting separation treatment.

The invention provides a method and a system for extracting financial information for accounting. The method comprises the following steps: receiving a first image by using first equipment; using a preset classification model to classify the first image according to a generation source, and generating image category information and an image category number; extracting text and / or image informationof financial fields associated with one or more regions in the first image by using a preset classified financial information extraction model corresponding to the image category number according tothe image category number; and recording the image category information and the text and / or image information of the financial fields associated with one or more regions in the first image into a financial account book. By adopting a neural network model in the artificial intelligence technology to identify the image containing the financial information and extract the financial information for accounting, the problem of low efficiency of traditional manual accounting is solved, and the effect of quickly and accurately summarizing and accounting a large amount of financial information generated by different sources is achieved.

The invention belongs to the field of biomass energy chemical industry, and provides a method for efficiently preparing biodiesel by an enzymatic method. The method comprises the following steps: (1)adding corresponding fatty acid into raw oil to prepare raw oil with a fatty acid content of 5-80%; and (2) performing reacting on the raw oil obtained in the step (1) with low-carbon alcohol under catalysis of lipase to obtain the biodiesel. According to the invention, through control of the content of fatty acid in the raw materials, the reaction time is shortened, the acid value is obviously reduced, and the conversion rate of triglyceride in the raw material oil and the yield of the biodiesel are effectively improved. According to the method, the fatty acid content in the raw materials iscontrolled, and when the reaction temperature is between 40 and 60 DEG C and the reaction time is between 6 and 10 hours, the conversion rate of triglyceride and the yield of fatty acid methyl ester can both reach 93% or above. The method effectively reduces requirements on raw materials, enlarges the source range of the raw materials and has better economic benefit and environmental benefits.

The invention discloses a plastic packaging film for production of laundry gel beads as well as a preparation method and application of the plastic packaging film. The improved plastic packaging film is prepared from the following raw materials in parts by weight: 80 to 100 parts of polyvinyl alcohol, 0.1 to 0.5 part of a regulator, 0.1 to 0.5 part of a plasticizer, 0.1 to 0.2 part of compound polylactic acid, 0.2 to 0.5 part of a neutral drying agent, 0.1 to 0.5 part of a bitter agent, 0.05 to 0.2 part of an antistatic agent and 0.1 to 0.5 part of a stabilizer, wherein the regulator is a mixture of any one selected from itaconic acid, acrylic acid and maleic acid and sulfonic acid salt. According to the invention, on one hand, the acid and alkali resistance of the plastic packaging film can be improved, and on the other hand, the alcoholysis degree range of polyvinyl alcohol can be widened; and meanwhile, the energy-saving and efficient melt blow molding preparation method is matched for use, so the problems that a plastic packaging film is dissolved slowly and incompletely when meeting water are solved, production cost is reduced, storage and use are convenient, and then, clothes washing efficiency is improved.

The invention discloses a method for synthesizing anisaldehyde by using trans-anethole oxygenase, which comprises the following steps: (1) constructing an engineering strain containing a nucleotide sequence encoding trans-anethole oxygenase by using a genetic engineering method; The nucleotide sequence of the trans-anethole oxygenase is derived from pine needle anthracnose, and the nucleotide sequence is shown in SEQ ID NO.1; (2) using the engineering strain to cultivate and separate and purify to obtain the trans-anethole oxygenase (3) using trans-anethole oxygenase to catalyze the oxygenation reaction of trans-anethole to obtain anisaldehyde. The invention uses enzymes to catalyze trans-anethole to generate anisaldehyde, the reaction conditions are mild, the environmental pollution caused by the reaction system is reduced, and the obtained products can be classified as natural fragrances.

A method for catalytically preparing bio-diesel by using tandem double fixed beds and solid catalyst comprises the following steps: selecting animal or vegetable oil exceeding acid value, fatty acid or neutral oil as the raw material, pre-reacting in a bed filled with solid acid to rapidly lower the acid value of the raw material oil, and adding into a bed filled with solid base catalyst to achieve high-efficiency transesterification reaction. Accordingly, high-purity bio-diesel can be obtained by double-bed catalysis adopting the pre-reaction, double-bed catalysis and once transesterification processes and adopting parallel-flow feeding and bed pressure manner to improve mass transfer. Meanwhile, the glycerol phase in the product can be easily separated and can be purified by vacuum rectification to obtain fine glycerol with purity above 98.5 percent, thus improving the use value of the product. The method has the advantages of wide materials, environment-friendly process, efficient product utilization, low investment cost, bright industrial future, etc.

The invention discloses an in-vitro rapid propagation method of wide-blade garden cress. The propagation method comprises the following steps of preparing aseptic explants of the wide-blade garden cress; inoculating the aseptic explants in a fast propagation medium, and conducting induction and rapid amplifying propagation on regrowths; transferring the obtained regrowths after induction to a MS minimal medium for root induction; transplanting the whole regenerated plants of the rooting garden cress to a cultivating medium for normal growth. The propagation method is the first for in-vitro rapid propagation of the wide-blade garden cress at home and abroad, effectively increases propagation coefficients of the wide-blade garden cress, and solves the problem that amplifying propagation of wide-blade garden cress seeds is geographically limited.

The invention discloses a method for regulating and controlling preparation of calcium carbonate micro-nanospheres through calcium lignosulfonate. The method is characterized by taking calcium lignosulfonate as an organic substrate on the basis of a biological mineralization principle, and changing such technological parameters as calcium lignosulfonate concentration, concentration ratio of Ca<2+> to CO3<2->, system temperature, system pH value and the like, so as to regulate and control regulation of calcium carbonate micro-nanospheres differing in morphology and size, thus meeting application demands in various technological fields. The technology disclosed by the invention is rapid, efficient and environmentally friendly; and the prepared calcium carbonate micro-nanospheres differing in morphology and size, which take calcium lignosulfonate as an organic regulating and control substrate in raw materials thereof, can be widely applied to such industries as paper making, rubber, plastic and the like, and the calcium carbonate micro-nanospheres have important environmental benefit and economic value.

The invention relates to an acid-containing petroleum-coker gas oil mixing hydrogenation conversion method. The method comprises the following steps of mixing acid-containing petroleum and coker gas oil to obtain a pre-treated petroleum fraction, separating a naphtha fraction and a diesel oil fraction from the petroleum fraction so that heavy ingredients are obtained, carrying out a hydrogenation reaction process on the heavy ingredients to obtain an oil gas product, carrying out cooling separation on the oil gas product to obtain a liquid product and non-condensable gas, carrying out fractionation on the liquid product to obtain a gasoline fraction, a diesel oil fraction, a wax oil fraction and residual oil, feeding the non-condensable gas back to a hydrogenation reactor, feeding the residual oil back to the hydrogenation reactor, carrying out wax oil fraction hydrocracking reaction process to obtain an oil gas product, cooling the oil gas product to divide it into a liquid product and non-condensable gas, feeding the non-condensable gas back to a hydrocracking reactor, carrying out fractionation on the liquid product to obtain a gasoline fraction, a diesel oil fraction, a wax oil fraction and a heavy oil fraction, and feeding the heavy oil fraction into the hydrogenation reactor. The method realizes processing and utilization of two inferior petroleum products.

The invention provides a data source quality evaluation method, apparatus and device, and a computer readable storage medium. The method, apparatus and device are applied to a first participant device. The method comprises the steps of obtaining first feature data held by a first participant device and a second encryption feature sent by a second participant device, wherein the second encryption feature is calculated by the second participant device based on second feature data in a to-be-evaluated data source; training a preset first model based on the first feature data and the second encrypted feature to obtain a trained first model; acquiring test data held by the first participant device, and determining a test result based on the test data and the trained first model; and based on the test result, determining an evaluation result of the to-be-evaluated data source. According to the method and the device, the passive party data source quality can be evaluated through joint modeling, and the model effect of joint modeling is improved.

The invention relates to the technical field of information consultation service, and discloses a scientific and technological information consultation service platform based on a big data analysis and acquisition system, which comprises a consultation service management system and a big data acquisition and analysis system, wherein the consultation service management system comprises a registration module, a login module, an information push selection module, an information uploading module, a retrieval module, a consultation module, a background management module and a storage module, and the big data analysis system comprises an acquisition end, a server, a communication module and a cloud computing platform. According to the technical scheme, the source range of the information is expanded by adopting the big data acquisition and analysis system, so that the retrieval experience of the user is improved; meanwhile, the processing capacity of the system is improved while the storage pressure of the storage module is reduced by the big data acquisition and analysis system, and more effective content is pushed to the user, so that the user experience is improved.

The invention relates to the field of metallurgy, providing a vanadium and titanium containing cold rolling non-oriented electrical steel which comprises the following chemical components in percentage by weight: 0.001-0.005 wt% of C, 0.50-0.65 wt% of Si, 0.15-0.35 wt% of Mn, less than or equal to 0.025% of P, less than or equal to 0.008 wt% of S, 0.40-0.50 wt% of Als, less than or equal to 0.007 wt% of N, more than 0 and less than or equal to 0.01 wt% of Ti, more than 0 and less than or equal to 0.01% of V and the balance of FE and inevitable impurity. By reasonable ingredient design, the tiny diffused vanadium, titanium and carbon nitride precipitation can be reduced. The preparation method is as follows: temperature in the heating process is 1140-1170 DEG C; the rolling temperature of finish rolling is more than or equal to 1030 DEG C, and final rolling temperature is 890-930 DEG C; and the temperature in the reeling step is more than or equal to 650 DEG C. By process design, the formation and influence on the vanadium and titanium educt can be further inhibited from physical thermodynamics and dynamics. The inhibition of adverse effect of vanadium and titanium can produce vanadium and titanium containing non-oriented electrical steel which satisfies the electromagnetism performance requirement, thus enlarging the resource range of non-oriented electrical steel smelting raw material; and especially the utilization of recycled steel can effectively lower the production cost of the non-oriented electrical steel.

The invention discloses a method for preparing high-purity m-cresol by selectively oxidizing mixed m-cresol and p-cresol. The method comprises the following steps: putting mixed m-cresol and p-cresol,a catalyst, sodium hydroxide and a solvent into a container, stirring, heating to a reaction temperature, continuously introducing oxygen to react, adding water, distilling to recover the solvent toobtain a mother solution, acidifying, adjusting the pH value, cooling, crystallizing, and filtering to obtain filter cake which is p-hydroxybenzaldehyde sodium salt and a mother solution which is a m-cresol sodium salt solution; dissolving and acidifying the p-hydroxybenzaldehyde sodium salt, adjusting the pH value, cooling, crystallizing and filtering to obtain filter cake that is a wet p-hydroxybenzaldehyde product, and drying to obtain a finished p-hydroxybenzaldehyde product with the purity of higher than 99.2%; acidifying the m-cresol sodium salt solution, adjusting the pH value, collecting an oil phase m-cresol crude product, and putting the oil phase m-cresol crude product into a tower kettle of a rectifying tower; starting magnetic stirring in the tower kettle for stirring, starting a high-vacuum mechanical pump for pressure reduction, starting tower kettle heating, and collecting a front distillate, a main distillate and a rear distillate. The obtained main distillate is an m-cresol finished product with the purity of higher than 99.5%.

The invention belongs to the technical field of chemical engineering, and particularly relates to a carbon monoxide conversion process. The process comprises the steps: (1) purification of feed gas; (2) water vaporization; (3) gas-steam mixing; (4) shift reaction; and (5) gas-liquid separation. According to the carbon monoxide conversion process disclosed by the invention, a desulfurization, dechlorination and purification process matched with the conversion process is adopted, so that the source range of feed gas is widened; an isothermal shift reaction furnace can rapidly and effectively remove reaction heat, and compared with a traditional reaction furnace, the isothermal shift reaction furnace has a good protection effect on a copper-based shift catalyst used in the furnace, widens theuse conditions of the catalyst, and has the inlet temperature of 180-280 DEG C, is suitable for synthesis gas, coke-oven gas, blast furnace gas, self-matched gas and laboratory coal gasification product gas with the CO volume content of 1%-30%, and has the carbon monoxide conversion rate reaching 90% or above.