44results about How to "High commercial value" patented technology

The invention belongs to the technical field of cooling equipment structures, and relates to an ultrafine grinder liquid nitrogen cooling device comprising a liquid nitrogen tank carrying liquid nitrogen and a vaporizer communicated with the liquid nitrogen tank. The vaporizer is arranged in a cooling liquid tank and is provided with a nitrogen outlet communicated with outside of the cooling liquid tank, and the cooling liquid tank is filled with cooling liquid and is provided with a temperature sensor; the output end of the cooling liquid tank is communicated with a cooling liquid circulating outlet pipeline, part of the cooling liquid circulating pipeline wraps an ultrafine grinder cooling disc, and the output end of the cooling liquid circulating pipeline is communicated to the inside of the cooling liquid tank; a liquid nitrogen pump is mounted between the liquid nitrogen tank and the vaporizer; the cooling liquid circulating outlet pipeline is provided with a cooling liquid pump, and the liquid nitrogen pump, the cooling liquid pump and the temperature sensor are controlled by an electric control system. The ultrafine grinder liquid nitrogen cooling device is reasonable in structural design, high in safety and reliability, small in occupation, and capable of decreasing the temperature of the material smashed by an ultrafine grinder greatly.

The invention relates to picture color tone control for a printing press. A target color mixture halftone density for each ink supplying unit width when a printing picture is divided with an ink supplying unit width of ink supplying apparatus 6, 7 is set, and an actual color mixture halftone density for each ink supplying unit width of an actually printed sheet obtained by printing is measured using an IRGB densitometer 1. The color mixture halftone densities are individually converted into tone values. A changing ratio for the converted target tone values is set suitably and is reflected on the target tone values and then converted into a monochromatic halftone density. Then, a solid density difference corresponding to a difference between the target monochromatic halftone density and an actual monochromatic halftone density is determined, and the ink supplying amount is adjusted for each ink supplying unit width in response to the solid density difference. The density of each ink can be changed freely to the target density set based on plate making data and so forth.

A kind of method that uses citrate to prevent fresh leechee periearp blackening, the fresh leechee shall be immersed in the citrate solution or the citrate stick to the fresh leechee periearp . The invention can proceed that prevent fresh leechee periearp blackening treatment before or after store fresh leechee, also can add the antiseptic bacterial agent, colloid, water into citrate, can make the fresh lechee under the stuff shelf, improve the economical value of fresh leechee.

The invention provides a method for converting a document into a picture on line, which belongs to the technical field of a network. A technical scheme adopted by the invention is a method for converting the document into the picture on line. The method comprises the following steps of: opening a webpage; uploading an office document to a server; after the document is uploaded, invoking a third-party program on the server by using a server side to convert the document into a picture file; storing the picture file into a catalogue of the server which can be accessed by using the webpage; and accessing the picture by using the webpage through a URL address of the picture file and displaying the picture on the webpage. By the method, a user can directly read the office document on the webpage without installing any office document reading software so as to bring great convenience to users for the reading of the office document.

The present invention belongs to the technical field of nano-materials, and particularly relates to a preparation method and application of a hydrophilic rare earth nano-material, and the method is as follows: a rare earth nitrate and chloride as rare earth sources, sodium fluoride and ammonia fluoride as fluoride sources, sodium chloride and sodium nitrate as sodium sources, ethylene glycol and ethanol as solvents and a surface functionalization ligand are mixed and stirred evenly according to certain mole ratio, the evenly-stirred solution is transferred into a hydrothermal kettle for water / solvent heat treatment. After natural cooling, deionized water and ethanol are used for in turn centrifuging, and the obtained precipitate is put into an oven for baking for 6-12 h at 60-120 DEG C under the condition of air to obtain the hydrophilic rare earth nano-material, by use of the one-step water / solvent heat method, the preparation technology is simple, the obtained hydrophilic rare earth nano-material has good stability, high luminous efficiency, adjustable size, controllable morphology, short cycle, low cost, high yield, no toxicity, and no pollution, and can be widely used in security, biological molecular fluorescent tag, biological imaging and other fields.

The present invention relates to a color-keeping and fresh-keeping method of litchi. Said method is characterized by that after the surface of litchi fruit peel is coated with a layer of fruit acid, any one conventional fresh-keeping method can be adopted to make color-keeping and fresh-keeping operation of litchi fruit.

The invention provides a brief report generation method and a brief report generation device. The method comprises the steps of determining a target news category of a user according to historical access data of the user; matching the target news category with a preset event graph to obtain a plurality of pieces of news related to the target news category; extracting a news summary from each pieceof news to obtain a plurality of news summaries; and screening out part of news summaries from the plurality of news summaries, and generating a brief report according to the part of news summaries.Through the brief report generation method and the brief report generation device, the timeliness of news dissemination can be improved, the individualized reading requirement of the user can be satisfied, the usage experience of the user is enhanced and the commercial value of related products is improved.

The invention belongs to the technical field of nano-material preparation and concretely relates to a graphene oxide and graphene oxide quantum dot solvothermal controllable preparation method and a use thereof. The preparation method comprises that common graphite as a raw material is added with a certain amount of sulfuric acid and potassium permanganate, the mixture is stirred for some time, the mixed solution is added with nitric acid, the suspending liquid is transferred into a Teflon reactor, the mixture undergoes a solvothermal reaction, the reaction product flavescent transparent liquid is dispersed in deionized water, a certain amount of the solution is subjected to dialysis until pH is 7 so that the graphene oxide or graphene oxide quantum dot aqueous solution is obtained in a dialysis bag, and the aqueous solution is subjected to freeze drying so that graphene oxide or graphene oxide quantum dot powder is obtained. In preparation, the graphene oxide or graphene oxide quantum dot can be produced only by control of a reaction temperature and graphene oxide quantum dots with different particle sizes can be obtained by change of a ratio of graphite to potassium permanganate. The preparation method utilizes one-step solvothermal method, has simple operation and after-treatment processes, and has a short period, a low cost, no toxicity and no pollution. The produced material can be widely used in fields of photoelectric devices, anti-counterfeiting, biomolecule fluorescence labeling and bioimaging.

The invention discloses a system and a method for timing and scoring based on commercial billiard sports competition. The system comprises a plurality of scoring apparatuses, a performance processor, a display controller, display equipment and a competition controller, wherein a plurality of scoring apparatuses are used for inputting competition scores in a competition process; the performance processor is connected with the scoring apparatuses and used for receiving scoring information input by the scoring apparatuses and resolving the scoring information; the display controller is connected with the performance processor and used for controlling the display equipment to display the competition contents; the display equipment is connected with the display controller and used for displaying the competition contents according to the instructions of the display controller; and the competition controller is connected with the display controller and used for controlling the display controller to display the display equipment according to the competition process. Compared with the prior art, the system has the advantages of being good in general performance and facilitating management and distribution of competition data.

The invention discloses a material classification method based on a color sorter. The material classification method comprises the following steps: at first, feeding a valuable first-class material sample and an unvalued second-class material sample in the color sorter, and pretreating an image acquired by the color sorter by utilizing a threshold value method and a median filtering method, that is eliminating the background and noise facilitate increase of the accuracy of the follow-up classification and screening; and utilizing the optimization algorithm of combining the C4.5 decision-making tree and cost-sensitive learning to construct a decision-making tree model; therefore, material classification can be realized in an efficient and real-time manner, the purity namely the accuracy of the valuable first-class material can be increased as much as possible on the premise of ensuring that the accuracy is not greatly influenced, and screening of products with different purity grades can be carried out under the manual mode according to personal demands.

The invention provides a digital single-lens reflex camera photo sharing method. The digital single-lens reflex camera photo sharing method comprises the steps that: a digital single-lens reflex camera shoots at least one photo, and transmit photo data to a server through a wireless transmission module and wireless internet access equipment; the server takes the phot data as at least one photo group and establishes a first network access interface and a first network address pointing to the first network access interface, and the first network access interface displays each photo in the photo group; the first network access interface is accessed by at least one display equipment, and the display equipment displays the photo in the photo group; the display equipment releases at least one photo in a selective manner, and establishes at least a second network access interface, at least a second network address and a second two-dimensional code associated with each second network address; and a mobile terminal accesses the second network access interface corresponding to the second two-dimensional code through scanning the second two-dimensional code, so as to display the corresponding photo.

The invention discloses a method for refreshing a meat product by utilizing a mint extract. The refreshing method comprises the following steps of: with natural mint extract adopted, fully stirring and uniformly mixing the meat product to be refreshed with the solution, and then packaging and storing with a polyethylene film. The refreshing method is simple in process and easy in operation, and the selected refreshing agent is processed from natural-occurring substances, has certain antibacterial property and oxidation resistance and can be directly applied to food preservation, is safe to eat and has a good refreshing effect. By adopting the method disclosed by the invention, fat oxidation, colour variation and microorganism multiplication during the storage period can be effectively controlled, and the sensory quality of the product is obviously improved and the quality guarantee period is obviously prolonged, thus a new approach is opened for meat refreshing.

The invention discloses an advertisement sequence image fast retrieval and analysis method comprising the following steps: using image complexity characteristics and a decision classification tree method to divide an advertisement image database into LOGO and scene images; extracting and storing HOG characteristics and SIFT characteristics of images in the advertisement database; extracting HOG characteristics and SIFT characteristics of a to-be-coupled image, calculating HOG characteristic vector Euclidean distances between the to-be-coupled image and all images of same type in the advertisement database, ranking the Euclidean distances from small to big, and screening the front S candidate images; calculating SIFT characteristic coupling point pairs between the to-be-coupled image and the S candidate images, and using the image with the most pairs as the image corresponding to the to-be-coupled image; calculating time length of each advertisement according to the to-be-coupled image of the advertisement sequence, thus obtaining advertisement playing information. The advertisement sequence image fast retrieval and analysis method can ensure coupling accuracy, can save calculating time, and can improve image retrieval efficiency.

The invention belongs to the technical field of preparation methods of calcium sulfate, and particularly relates to a low-cost method for preparing nano calcium sulfate. The method comprises the following steps: mixing byproducts sulfate-containing brine and calcium-salt-containing brine in salt preparation and other ocean chemical production processes to generate calcium sulfate from sulfate ions and calcium ions; and carrying out centrifugal dewatering on the calcium sulfate, drying and grinding to prepare the nano calcium sulfate. The invention fully utilizes the characteristic that the byproducts sulfate brine and calcium salt brine can be combined to generate calcium sulfate, changes wastes into valuable substances, can implement preparation of nano calcium sulfate at low cost, and has great commercial value.

The invention provides a news recommendation method and device. The method comprises the steps of obtaining information of a wireless network currently connected with an electronic device to which a news recommendation client belongs; determining news corresponding to target data in the wireless network information; and recommending corresponding news in the client. Through application of the method and the device, when the news recommendation client is in a cold start state, matched news still can be recommended to a user, personalized reading demands of the user are satisfied, the use experience of the user is improved, and the commercial value of related products is improved.

The invention provides a method for constructing a distributed economic system DeCo based on a block chain. The DeCo system adopts a 'legal currency reserve fund-Token-universal integral' model. Enterprises in the DeCo system present generic credits of the enterprise brand to customers who may use the credits to purchase products and services to other cooperating enterprises. The DeCo system not only solves the problem of scattered fragmentation of points held by customers, but also helps cooperative enterprises to guide customers to each other. Generic credits are transaction media with stable value in a DeCo system. The price of the Token issued based on the Bancor mechanism in the block chain can objectively reflect the development condition of the DeCo system. The legal currency reserve money enables the Token to have intrinsic value support. The supply of Token and integral is self-adaptive to the development of a DeCo system. All the rules are realized by using an intelligent contract in a block chain, so that mutual trust of all participants is ensured.

The invention provides an intelligent water fountain control system and a water fountain, and relates to the technical field of water fountains. The system comprises a water fountainassembly for working of the water fountain, a control module, an information acquisition module, a display module and a power module for supplying power to the control system; the information acquisition module collects each sensor data set in the water fountainassembly, the display module is used for a user to input the temperature of water to be taken andadvertisement promotion, and the control module outputs a control signal for the adjustment of water outlet temperature of the water fountain system according to the comparison of the sensor data and the temperature of the water to be taken, which makes the water temperature of an outlet equal to the temperature of the water to be taken for input; the systemachieves the activating of the water fountain system by two activating modes of scanning a two-dimensional code and reading a core card, adjusts the water outlet temperature of the water fountain system toa user demand temperature, and fully meets thewater demands of the user.

The invention discloses a fusion protein capable of activating a tumor necrosis factor (TNF) receptor-associated factor 6 (TRAF6) signal path in a targeted mode, a recombinant vector and application of the recombinant vector. The fusion protein has an amino acid sequence shown as SEQ ID No.1 and is obtained by replacing the C terminal of a mouse TRAF6 with a section of gyrase B sequence; a gene for coding the fusion protein has a nucleotide sequence shown as SEQ ID No.2; and after the fusion protein is introduced into a cell, the cell can be continuously stimulated by a micromolecular medicine coumermycin, and the signal path on which the TRAF6 depends is activated in a targeted mode, so that side effects caused by the reason that diseases are treated by activating the TRAF6 signal path through ligands of receptors can be avoided. The recombinant vector has the nucleotide sequence shown as SEQ ID No.2, and has extremely important value for the functional research of the TRAF6 and the treatment research of diseases caused by the TRAF6.

The invention relates to postcards, in particular to a VR postcard method based on Internet. The method comprises the following steps of (1) collecting a photograph; (2) making a VR 720-degree panorama; (3) uploading the VR 720-degree panorama to the Internet; (4) generating a two-dimensional code; (5) making a postcard; and (6), viewing the VR 720-degree panorama. According to the postcard, in the context of internet development, a traditional postcard transferring contents using paper media is creatively transformed to a novel postcard synchronously transmitting information through network and paper, without changing the basic realization of people on the traditional postcard, a user scans the two-dimensional code on the postcard by using a mobile phone to view the 720-degree VR panorama, and a high commercial value is achieved.

The invention discloses a liquid crystal blackboard capable of achieving partial erasing. The liquid crystal blackboard includes a liquid crystal display layer, an identification device, and an erasing circuit, wherein the liquid crystal display layer includes a display surface, and the liquid crystal display layer displays corresponding images according to pressure touch-control tracks received by the display surface; the identification device is used for identifying the projecting position and the projecting outline of an erasing piece on the display surface, and when the projecting outlineof the erasing piece exceeds a preset area, a partial erasing signal is generated; and the erasing circuit is used for erasing the images on the display surface corresponding to the projecting position according to the partial erasing signal. According to the liquid crystal blackboard capable of achieving partial erasing, a partial area of writing content is erased, other areas are not influencedby erasing, the defect that a traditional technology can only achieve entirely erasing is overcome, the work efficiency and using experience of a user are improved, and the commercial value of the liquid crystal blackboard and applied equipment thereof is improved.

The invention discloses a composite membrane material capable of efficiently separating gas and a preparation method of the composite membrane material. A composite material CMP-coated Polymer of a conjugated microporous polymer and an organic polymer is prepared in two solutions by using a continuous liquid-phase impregnation method. The method takes an organic polymer as a substrate and comprises the steps of pre-impregnating the organic polymer into a solvent I, then impregnating the organic polymer into a solvent II, and repeating the operation until an effective membrane material is synthesized; and soaking and washing the composite membrane material in water, ethyl acetate and ethanol, repeatedly conducting soaking and washing, and conducting drying, wherein one of the two solutions is prepared from a sulfonate compound and the solvent I, and the other solution is prepared from an aldehyde aromatic compound, an amino aromatic compound and the organic solvent II. The composite membrane material is synthesized by a continuous liquid-phase impregnation method, the method has universality, is simple to operate and low in raw material cost and has large processability, and the gas flux and selectivity of the composite membrane material can be regulated and controlled by controlling the concentration of reactants, the number of continuous impregnation times and the impregnation time.

The invention discloses a sulfydryl biomass monomer internal plasticization PVC (Polyvinyl Chloride) material and a preparation method thereof. The preparation method comprises the following steps: carrying out a direct substitution reaction on a sulfydryl biomass monomer and PVC, precipitating with a 10wt.% methanol solution, washing polymer precipitate, and drying, thereby obtaining the sulfydryl biomass monomer internal plasticization PVC material, wherein the reaction temperature is 40-160 DEG C, and the reaction time is 0.1-36 hours. The glass-transition temperature of the prepared internal plasticization PVC material is remarkably reduced, and in addition, good solvent extraction resistance and volatilization resistance can be achieved.

A method to fabricate polyolefin polymer with hydroxyl functional group is taught. The method comprises following steps: (1) blending a polar solvent, an α,ω-alkyenol compound and a trialkyl halosilane compound to form an trialkyl-siloxane group protected co-monomer; (2) copolymerizing the trialkyl-siloxane group protected co-monomer with an α-olefin monomer to form a copolymer with side chain trialkyl-siloxane group protectors in presence of a metallocene catalyst and co-catalyst mixture; and (3) hydrolyzing the copolymer with an acid to form the polyolefin polymer with at least one hydroxyl functional group.

The invention discloses a method and equipment for embodying the human traffic of an advertising terminal. According to the technological means, a detection module and a display module are arranged, wherein the detection module is used for detecting the information of human traffic within a certain distance in front of the advertising terminal and is arranged on the advertising terminal, and the display module is used for independently displaying the accumulative quantity of people detected by the detection module in real time and is also used for displaying the time and the date or the duration in real time. According to the method and the equipment in the scheme, the detection module arranged on the advertising terminal is used for detecting the quantity of the people in front of the advertising terminal, and the human traffic of the district can be known by the advertising client and the public obviously through the simple real-time public display module; particularly, the display module can be also used for displaying the time and the date or the duration of detection, so that the objective human traffic evaluation can be conveniently carried out by the advertising client and the public; furthermore, according to the method, the structure and the circuit of the existing advertising terminal do not need to be changed to a great extent; the method has very high credibility and commercial use value, thus having very important significance on the advertising industry and far-reaching influence.

The invention belongs to the field of recycling and utilization of fly ash solid waste, and particularly relates to a carbon-silicon double-shell hollow structure composite microsphere and a preparation method thereof and application, mainly to solve the problems that the coal-fired power plant solid waste fly ash difficult to use, the utilization rate is low, the environment and a silicon negative electrode are polluted, materials and processes are not suitable for industrial promotion, the cost is high and the like. The carbon-silicon double-shell hollow structure composite microsphere is prepared by the following steps: (1) fly ash acid-leaching slag and an alkali solution are mixed to obtain a silicate solution, clear liquid is obtained by centrifuging, a surfactant is added to the clear liquid for continuous stirring and dissolving, a clear solution is obtained, and through spraying and drying, white powder A is obtained; (2) the white powder is washed to obtain white powder B; (3) the white powder B is taken for a thermite or magnesiothermic reduction reaction to obtain hollow silicon microspheres; and (4) the hollow silicon microspheres are subjected to carbon coating treatment, and thus, the carbon-silicon double-shell hollow structure composite microsphere is obtained.

The invention discloses an advertisement sequence image fast retrieval and analysis method comprising the following steps: using image complexity characteristics and a decision classification tree method to divide an advertisement image database into LOGO and scene images; extracting and storing HOG characteristics and SIFT characteristics of images in the advertisement database; extracting HOG characteristics and SIFT characteristics of a to-be-coupled image, calculating HOG characteristic vector Euclidean distances between the to-be-coupled image and all images of same type in the advertisement database, ranking the Euclidean distances from small to big, and screening the front S candidate images; calculating SIFT characteristic coupling point pairs between the to-be-coupled image and the S candidate images, and using the image with the most pairs as the image corresponding to the to-be-coupled image; calculating time length of each advertisement according to the to-be-coupled image of the advertisement sequence, thus obtaining advertisement playing information. The advertisement sequence image fast retrieval and analysis method can ensure coupling accuracy, can save calculating time, and can improve image retrieval efficiency.

The invention relates to a blue light excited green fluorescent powder for a white light LED and a preparing method thereof. The fluorescent powder can be used for manufacturing white LEDs, the excitation spectrum range is between 350 nanometers and 540 nanometers, and the emission spectrum range is between 450 nanometers and 700 nanometers. The structural formula of the fluorescent powder is MaScbSicOd:Cex, wherein, M is composed of at least one of Ca, Sr and Ba, a, b, c, d and x are molar coefficients, and the ranges are respectively: 2<=a<=4, 1<=b<=3, 2<=c<=4, 9<=d<=13, 0.001<=x<=0.2, 4<=(a+b+x)<6, and 11<(c+d)<16. The preparing method includes preparing raw materials according to the structural formula MaScbSicOd:Cex and stoichiometric numbers, adding fluxing agents into the materials, subjecting the mixture to wetting and mixing with deionized water, ball milling, stoving, reduction roasting and post-processing to obtain the material. The blue light excited green fluorescent powder for the white light LED has the advantages that the luminance is high, the particle size is uniform, the excitation wavelength is wide, the emission wavelength can be adjusted according to needs, the chemical stability is good, and the like; and the preparing method is simple, pollution-free, and low in cost.

In the prior art, many H.264 video information hiding algorithms based on a DCT domain exist, but DCT and DST technologies are adopted in an HEVC intra-frame coding process, and all 4*4 brightness prediction blocks adopt the DST technology, so that the previous video information hiding algorithm based on the H.264 video DCT domain is not suitable for HEVC videos any more. The invention provides a ternary information embedding method suitable for a low-resolution video, an odd-even binary information embedding method in the prior art is replaced, and the information amount is 1.613 times that of a binary system under the condition that the embedding digits are the same and 32bit is taken as a unit. Experimental results show that compared with a binary embedding method, for a QCIF video sequence, the average information embedding amount of the ternary method is increased by 34.2%, the PSNR value is basically not reduced, and the ternary high-information-amount embedding method has high commercial value and wide market application prospects when applied to low-resolution videos.

The invention relates to the technical field of single-photon detection, and provides a superconducting single-photon detection structure and a preparation method thereof. The structure comprises a plurality of detection units, a transmission feeder line, a power line, a first coplanar waveguide, a second coplanar waveguide and a third coplanar waveguide; the plurality of detection units are separated by the power line to form a resonator array, and the power line is connected with the ground end of each detection unit; each detection unit comprises a nanowire with a snakelike structure and an interdigital capacitor; the resonant frequency of the corresponding detection unit is determined according to the length of the interdigital capacitor; the transmission feeder line is coupled with each detection unit and is used for reading out the frequency domain of the resonator array; and the first coplanar waveguide is connected with the first end of the power line, the second coplanar waveguide is connected with the second end of the transmission feeder line, and the third coplanar waveguide is connected with the first end of the transmission feeder line. According to the invention, the resonant frequency range of each resonator is increased, the resonant frequency of the resonators is improved, the complexity of the reading circuit is simplified, and the practicability is high.

The invention discloses a composite nanofiber material and preparation and application thereof. The composite nanofiber material particularly relates to purification treatment on organic micro-pollutants degradation-resistant in water. The composite nanofiber material is composed of a rear earth oxide substrate and metal nanoparticles dispersed inside the substrate or on the surface of the substrate, wherein the substrate is the oxides of at least one rear earth element selected from Ce, Pr, Nd, Sm, Gd, Dy, Ho, Er and Yb; the metal nanoparticles are transition metal elements such as nickel, iron, cobalt and copper. By combining the triple effects of the transition metal nanoparticles, the rear earth oxides and interfacial effects, the composite nanofiber material with ultrafast pollutant treatment effects can be obtained and can be widely applied to various degradation-resistant water pollutants derived from industry, agriculture and medical industry. Besides, the composite nanofiber material is simple in materials and preparation, free from secondary pollution and reusable, reduces the water treatment cost and has a broad application prospect.