37results about How to "Improve analysis effect" patented technology

The invention provides a DNS acceleration method, system and device. The DNS acceleration device is connected with a DNS resolver and one or multiple authorized DNS servers. The DNS acceleration method comprises that a first request, from the DNS resolver, to resolve a domain name is received, and the first request includes a record type of a resolution result of the domain name to be resolved; the one or multiple authorized DNS servers associated with the domain name to be resolved is / are used to carry out recursive resolution on the domain name to be resolved to obtain resolution results of the one or multiple authorized DNS servers in the whole recursive resolution process; and all the resolution results are collected, all alias records which occur in the recursive resolution process are hidden in the resolution results, and a resolution result of in the same record type of the resolution result in the first request is selected, and response to the DNS resolver is made. According to the invention, it is ensured that the resolution records of the domain name are stable and effective, and scheduling is more accurate.

The present invention provides an analysis processing method and device of a three-dimensional model. The method includes the following steps that: three types of adjacent relationship information ofeach part in the three-dimensional model are determined; all parts of the three-dimensional model are aggregated, so that three component hypothesis sets of the three-dimensional model are generated;voxelization expression processing is performed on each component in each component hypothesis set, so that the voxelization information of each component hypothesis is generated; the voxelization information of all the component hypotheses in each component assumption set is inputted into a recognition model, so that the credibility scores and semantic category probability distribution of each component hypothesis are obtained; and a high-order conditional random field model is established according to the credibility scores and semantic category probability distribution of each component hypothesis in the three component hypothesis sets, and the semantic category analysis result of each part in the three-dimensional model is obtained. With the method and device adopted, analysis processing can be performed on the semantic categories of a three-dimensional model of an internal-external structure, and good analytical results can be obtained.

The invention provides a manufacturing method of a fine circuit of a flexible circuit board, which is characterized in that the method comprises the following steps: S1, adopting a thin copper material and cutting: the thickness of the selected copper material is 1-9um; S2. UV laser drilling; 3, remove glue residue; 4, black hole: before that black hole, plasma treatment is carry out first, and then the black hole is carried out; S5. Copper plating: The thickness difference of VCP plating line is 1- 5 u m, COV value is 3- 15%; S6. Film-coated exposure development: The thickness of the photosensitive film used is 10- 20. Mu. M, the photosensitive film is a wet film, and the minimum line space of the wet film is 10-20um; S7. Vacuum etching: during the etching process, the spray pressure is 2.4 Kg / cm2 and the down pressure is 2.2 Kg / cm2, and the etching speed is 3.0- 5.5 m / min; S8, Film removal. On the premise of ensuring good etching effect of the fine circuit, the invention starts to reduce the thickness of the plating layer in the pre-process of the circuit fabrication so as to improve the uniformity of the surface copper.

The invention relates to a power grid wind power prediction technology, and especially to a wind power prediction error modeling method based on meteorological mode recognition. The method comprises the steps of: performing k-means clustering analysis on historical meteorological data to obtain a corresponding meteorological mode; according to meteorological data characteristics under each meteorological mode, training a support vector machine classifier; dividing the historical wind power prediction error data into sub-data sets in each meteorological mode by using the historical wind power prediction error data; and performing statistical analysis on the sub-data sets to obtain corresponding probability density curves, and obtaining a wind power prediction error probability density modelin each meteorological mode through least square fitting based on a universal distribution model to complete wind power prediction error modeling. According to the method, the influence of meteorological factors on the wind power prediction precision is considered, so that the wind power prediction error modeling result is more accurate; a universal distribution model is adopted, so that the fitting effect is better, and the analytic property of an expression is better; and an accurate wind power prediction error probability density model is provided.

The invention discloses an evaluation system for transient stability of a large-scale power system based on optimal mutual information redundancy. The system firstly obtains a power system large dataset that can approximately represent all operating characteristics of a current power system based on PMU data or software simulation; on the basis, an optimal characteristic set with maximum correlation and minimum redundancy with transient stability margin of the system is constructed through multi-time utilization of an information redundancy optimization algorithm; a function expression of a relationship between a selected variable and TSM is constructed by utilizing MATLAB; and the TSM can be directly estimated by an expression through real-time variable data obtained by the power system,after appropriate compensation is performed on a result, the result is fed back to on-site scheduling personnel in order to make timely decisions. The system can solve the shortcomings that traditional evaluation methods are poor in precision, are slow in speed, are poor in robustness of data loss, are poor in evaluation analyticity, and the like, and effectively meets real-time evaluation requirements of large-scale power systems.

The invention provides a preferable method for extracting refined yellow pigment from red flowers, which adopts the technology integration of extracting and refining, resin adsorption, nano filtration separation, outer circulating vacuum reduced pressure concentration and spray drying. The method is as follows: performing particles removing, ashing and sterilization on primary filtrate by a filter; adsorbing resin with large aperture by alcohol, wherein the upper prop adsorbing flow is 1-4BV / h, the adsorbing time is 1.5-2.0 hours, the eluting flow is 2-6BV / h, and the eluting time is 2.5-3.0 hours; collecting eluent, wherein the PH values of upper prop liquid medicine and cleanout fluid are 2-5; depredating macromolecules by a microfiltration membrane, wherein the control pressure is 0.1-0.2MPa, the temperature is 5DEG C higher than the room temperature or 5 DEG C lower than the room temperature; thickening and dewatering by a nanofiltration membrane, wherein the control pressure is 1-4MPa, the temperature is 20-50 DEG C, and the concentration multiplying power is 5-10 times; recycling the alcohol; and drying a material the solid content of which is 40%-60% to obtain the product, wherein the feed temperature is 60-80 DEG C, the entering air temperature is 160-190 DEG C. By implementing the preferable method, the extraction ratio of the yellow pigment reaches more than 80%, and the color value also reaches more than 150.

The present invention relates to polyesteramide acids and photosensitive compositions containing the same, and especially to a polyesteramide acid (A) which becomes a component of the photosensitive composition in which the resolving potency and the residual film rate are excellent.In the polyesteramide acid (A), tetracarboxylic acid dianhydride of X mole, diamine of Y mole, multiple hydroxy compound of Z mole, and kation polymerization ring ether compound having a polymeric double bond of W mole are included to the rate in which the relation of the following equation (1), the equation (2) andthe equation (3) are made. 0.2<=Z / Y<=8.0 (1), 0.2<=Z(Y+Z) / X<=5.0 (2), 0.05<=ZW / 2X<=1.0 (3)

The invention relates to a method for separation and purification of DAOC and preparation of 7-ADCA. The method comprises the following steps: (1) pretreatment of DAOC fermentation liquor: firstly, adjusting the pH value of the fermentation liquor, and conducting filtering via a filter screen to remove insoluble large-particle impurities; (2) primary extraction of treatment liquor via two macroporous adsorption resin tandem columns; (3) decoloration treatment of desorption liquid via anion exchange resin; (4) conversion into 7-ADCA via one-step acylase lysis; (5) decolorization with activated carbon; and (6) pH value adjustment and crystallizing. According to the invention, the use amount of an organic solvent can be reduced, and environment protection is facilitated. According to the invention, the production of pollutants can be reduced in virtue of regeneration and recycling of the resin, the process is simple to operate, the disadvantages of conventionally used strong oxidant are changed, high safety is obtained, the extraction rate of the DAOC fermentation liquor is high and can achieve 95% or more, the total yield of a 7-ADCA product is 46-48%, the purity of the obtained 7-ADCA product is high and can achieve 99.5 or more, and the content of 7-ADCA can achieve 99% or more.

The invention relates to a desulfurization and desorption system and a use method. The desulfurization analysis system comprises a washing module, a desulfurization module and a desorption module. The washing module comprises a washing tower and a washing tank, the washing tower is communicated with the washing tank, and the washing tank is communicated with the washing tower through a washing circulating pump. The desulfurization module comprises a desulfurization tower and a rich liquor tank, the desulfurization tower comprises an upper alkali washing layer and a lower desulfurization layer, the desulfurization layer is communicated with the water scrubber, the desulfurization layer is communicated with the rich liquor tank through a rich liquor pump, the alkali washing layer is communicated with an alkali liquor tank, and the alkali liquor tank is communicated with the alkali washing layer through an alkali liquor pump. The desorption module comprises a desorption tower and a hot water reboiler, the rich liquor tank is communicated with the desorption tower through a desorption feeding pump, the desorption tower is communicated with the desulfurization layer through a barren liquor pump, and the hot water reboiler is arranged at the outer bottom end of the desorption tower and is communicated with the desorption tower through a pipeline. The desorption tower is communicated with a vacuum condensate tank through a vacuum pump module, and the vacuum condensate tank is communicated with the rich liquor tank through a vacuum condensate pump. The desulfurization effect is stable, the desulfurization efficiency is high, and the desorption effect is good.

The invention can provide a domain name information processing method and device, computer equipment and a computer storage medium. The domain name information processing method comprises the steps: acquiring the port information exposed by a first container deployed on a first node, wherein the request information is sent to the first node based on the port information, and the request information can comprise instruction information and domain name information; calling a domain name system server for executing the instruction information, and processing the domain name information by utilizing the called domain name system server. On the premise that an existing cloud platform architecture is not damaged, domain names of equipment in a cloud platform such as a virtual machine or a load balancer of a tenant network can be managed, and operations such as adding or deleting or checking or creating a public network domain name and a private network domain name are included. According tothe invention, a private network domain name and a public network domain name in the cloud platform can be parsed, and domain name parsing service can be provided for computers outside the cloud platform accessed through the public network domain name; therefore, the method also has the advantages of good user experience and the like.

Provided is a white light sensitivity resin composition comprising alkali soluble resin, polymeric composition, photoinitiator, white pigment, and solvents, wherein the photoinitiator is formed by 2,4,6-trimethylbenzoyldiphenylphosphine oxide and 1-hydroxyl-cyclohexyl-phenyl-ketone. The white light sensitivity resin composition has characteristics of not turning yellow in high-temperature baking (about 250 DEG C) and being graphical. The invention also provides the purpose of the above white light sensitivity resin composition, the composition is used in touch panels and for forming a shielding layer at the periphery of a transmittance substrate.

The present invention relates to photosensitive compositions, a hardening film, a color filter and an electronic device. The photosensitive compositions comprise polyesteramide, compounds, a photopolymerization initiator, epoxy compound, epoxy hardener and inorganic corpuscule, wherein the polyesteramide is obtained through reaction by taking tetracarboxylic anhydride, diamidogen and multiple hydroxyl compounds as necessary raw materials. The photosensitive compositions can form heat-resistant, transparent and flat hardening film with good a plastic film residue rate, analyticity and a refractive index.

The invention relates to a preparation method of a 2-acetylqueen lily glycoside A reference substance. The preparation method comprises the following steps: step 1, extracting lily liquid; lilium brownii bulbs are subjected to warm soaking and filtering, extracting solutions are combined, and a lilium brownii extracting solution is obtained; step 2, preparing a crude product of the 2-acetyl bulbus lilii glycoside A; 2, performing centrifugation, polymer adsorption chromatography, gradient elution and concentration on the lily extracting solution obtained in the step 1 to obtain a crude product of 2-acetylqueen lily glycoside A; step 3, preparing a crude product of the 2-acetyl bulbus lilii glycoside A, and separating and purifying a liquid phase; 2, dissolving the 2-acetyl bulbus lilioside A crude product obtained in the step 2, filtering by a microporous filter membrane, separating and purifying a prepared liquid phase, concentrating, and crystallizing to obtain a 2-acetyl bulbus lilioside A crude crystal; step 4, obtaining the 2-acetyl bulbus lilii glycoside A; and dissolving, standing and crystallizing to obtain the 2-acetyl king lily glycoside A. The overall extraction rate of the 2-acetylqueen lily glycoside A can be improved.

The invention relates to a photosensitive composition comprising the polyesteramide acid, a compound having the polymeric double bond, a photopolymerization initiator, an epoxy compound, and an epoxyhardener. The polyesteramide acid is obtained by reacting tetracarboxylic acid dianhydride, diamine, and polyhydroxy compound as the essentiality raw material component. A hardened film in which the transparency, the heat resistance, the resistance to solvents, the flatness and resolving potency are especially excellent can be obtained with the photosensitive composition of the invention. The hardened film is used for the electronic component etc.

The invention relates to a processing method of capsanthin choke-preventing jelly. The processing method is characterized by comprising the following steps of mixing and blending highland barley beta-glucan with highland barley beta-glucan to obtain plural gel, so that the jelly melts when being put in mouths, is fine, smooth and soft in texture, and safe and can prevent choke. Capsanthin is extracted through ultrasonic waves, and then capsanthin is adsorbed by D-101 macroporous adsorptive resins, so that the color number is increased, the stability is improved, and the jelly is uniform and stable in color, is rich in appetite and can strengthen the health-care effects.

The invention relates to a photosensitive composition, a hardened film, a color filter, a display element, a solid-state shooting element, and a light-emitting diode illuminator. The photosensitive composition contains polyester amic acid, a compound having a polymerizable double bond, a photopolymerization initiator, an epoxy compound, and an epoxy curing agent. In the photosensitive composition,the polyester amic acid is obtained by reacting a tetracarboxylic dianhydride, a diamine, and a polyvalent hydroxy compound as essential raw material components, and the compound having a polymerizable double bond contains two or more polymerizabilities per molecule. A compound having a polymerizable double bond contains more than two polymerizable double bonds having molecular weight of less than 1,000 in each molecule, and a compound having a polymerizable double bond and having a molecular weight of 1,000 or more. The photosensitive composition of the present invention can form a hardenedfilm which is excellent in transparency, heat resistance, solvent resistance, adhesion, flatness, and resolution without requiring an organic solvent having a high polarity.

The invention discloses a preparation method of amphoteric ion exchange resin for hydrometallurgy extraction of precious metals, which comprises the following steps: preparing polymer microspheres, and adding an aminating agent into the microspheres for action to obtain aminated microspheres; and introducing weak acid groups into the aminated microspheres to obtain the amphoteric ion exchange resin. According to the method, the resin which is high in selectivity, high in exchange capacity and easy to resolve is obtained.

The invention discloses a nitrogen production and adsorption tower with an air volume more than 500 cubic meters and a method for determining the calibers of inlet and exhaust ports of the nitrogen production and adsorption tower. The problem is solved that the structure of a conventional axial nitrogen production and adsorption tower cannot meet the requirements of not damaging a supporting flower board structure in the tower during pressure equalizing and regenerating an adsorbent during exhaust simultaneously. The method is changed that a compressed air inlet of a conventional adsorption tower is also taken as an exhaust port, so that the compressed air inlet is separated from the exhaust port, the caliber of the exhaust port is enlarged, the method is kept that the compressed air inletis also taken as an air inlet / outlet port of a pressure equalizing pipeline, the size of the exhaust port is determined according to the experience value that the adsorbent is regenerated well duringexhaust, and the caliber of the compressed air inlet is determined in the premise that the flower board supporting structure in the tower is not damaged by the pressure equalizing airflow. The resolution effect of the adsorbent is better, and the nitrogen production index of equipment is more ideal.

The invention discloses a cable weight tracking system based on a gravity sensor, which comprises a cable drum body, the outer side of the front surface of the cable drum body is provided with the gravity sensor, and the inner side of the gravity sensor is electrically connected with a GPS intelligent module through an electric wire. According to the cable weight tracking system based on the gravity sensor, the effect of cable weight tracking control can be achieved, and the problems that cable drums are needed for existing cable bearing and transportation, the weight of cables on the drums is difficult to track and control directly in the site construction and transportation process, and measurement facilities are not necessarily arranged on a construction site, more time needs to be consumed when the number of reels needing to be measured is large, and the problems of inaccurate measurement and low efficiency exist in checking the weight of a cable mainly through a wagon balance, a crane scale and other facilities or reckoning the weight of the whole reel by cutting out a cable with a certain length at present.

The present invention relates to power grid wind power forecasting technology, in particular to a wind power forecasting error modeling method based on meteorological pattern recognition, including obtaining corresponding meteorological models by performing k-means clustering analysis on historical meteorological data, and according to each meteorological model Meteorological data characteristics, training support vector machine classifier, and using it to divide the historical wind power forecast error data into sub-datasets under each meteorological model, and statistically analyzing these sub-datasets to obtain corresponding probability density curves, and then based on the general The distribution model is obtained by least squares fitting to obtain the probability density model of wind power forecast error under each meteorological model, and the modeling of wind power forecast error is completed. This method takes into account the impact of meteorological factors on the accuracy of wind power forecasting, making the modeling results of wind power forecasting errors more accurate; the fitting effect of the general distribution model is better, and the analytical performance of the expression is better; it provides accurate wind power forecasting errors Probability Density Model.

The invention relates to a photosensitive composition, a hardened film, a color filter, an interlayer insulation film, and a coating type polarizer, wherein the photosensitive composition includes polyesteramide acid (A), an epoxy compound (B), a compound (C) which includes a compound having a carbamate framework and has polymerizable double bonds, a photo-polymerization initiator (D), and an additive (E); the polyesteramide acid (A) is prepared by a reaction to X mole of tetracarboxylic dianhydride, Y mole of diamine, and Z mole of a polyhydroxyl compound according to the ratio established inthe formula (1) or (2): 0.2 <= Z / Y <= 8.0 - (1); 0.2 <= (Y+Z) / X <= 5.0 - (2). On the basis of 100 weight parts of the polyesteramide acid (A), the total amount of the epoxy compound (B) is 20-200 weight parts and the same of the compound (C) having polymerizable double bonds is 20-300 weight parts.

In the data processing method and server disclosed in the present application, after the question sentence is obtained, the question sentence category to which the question sentence belongs is determined based on the sentence components of the question sentence, and when the question sentence belongs to a predetermined question sentence category, the question sentence is processed Dependency syntax analysis to obtain the dependency information between the constituent elements of the question sentence, and then based on the dependency information between the constituent elements of the question sentence and the sentence components of the question sentence, perform structural analysis on the question sentence to obtain the structure of the question sentence information. By using the dependency information among the constituent elements of the question sentence and the sentence components of the question sentence, the structured analysis of the question sentence can achieve a better analysis effect, and then accurately identify the user's question intention based on the analysis results.