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49results about How to "Easy analysis" patented technology

Data tapping system based on Wcb and control method thereof

The invention opens a data mining system based on Web, which mainly includes EJB server, Web server and database etc. The EJB server provides the interface between Web server and EJB layer, and implemented various data mining algorithms for different data and data mining tasks. The Web layer provides a user interactive interface to receive user inputs and display results of data mining and analysis. The system consists of several modules: authentication module, initialization module, data connection module, data visualization module, data pre-processing module, mining module, mining data indication module. The system provides on-line internet based data mining and result analysis services.
Owner:章毅 +1

Methods and apparatus for processing medical images

A system for analysing a brain image compares the image with a brain atlas, labels the image accordingly, and annotating the regions of interest and / or other structures. This atlas-enhanced data is written to a file (or more than one file) in the Dicom format or any web-enabled format such as SGML or XML format. The image used may be produced by any medical imaging modality. A fast algorithm is proposed for a landmark-based piecewise linear mapping of one volumetric image into another volumetric image. Furthermore, a new set of brain landmarks are proposed, and algorithms for the automatic identification of these landmarks are formulated for three orientations, axial, coronal, and sagittal.
Owner:KENT RIDGE DIGITAL LABS

Post-desulphurization flue gas moisture content determination method and apparatus

The invention relates to a post-desulphurization flue gas moisture content determination method and apparatus. The apparatus comprises a sampling tube, a heat tracing ventilation pipe, a gas suction pump, a flow regulating valve, a flow meter, a three-way valve, a temperature measuring instrument, a pressure measuring instrument, and a Karl Fischer titrator, which are connected sequentially. The determination method comprises the steps that: (1) 100ml of anhydrous methanol is added into a titration cup, and the titrator is reset to a system blank value. (2) standard water is accurately measured, and is injected into the titration cup; and the concentration of a Karl Fischer reagent is measured by using the titrator; (3) the pipeline is washed by using flue gas for 10-15min; (4) a flue gas flow rate is controlled at 50-100mL / min, and a ventilation time is 2-5min; and titration is carried out by using the titrator; and (5) with the titrator, the post-desulphurization flue gas moisture content is automatically calculated. According to the post-desulphurization flue gas moisture content determination apparatus provided by the invention, a Karl Fischer titration method is used in flue gas moisture content determination, the analysis operation is simple and fast, and analysis result is accurate and reliable. Therefore, an instant and accurate basis can be provided for production operation adjustment and data calculation.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +2

A method and system for projecting a visible representation of infrared radiation

A method for enabling easier interpretation and analysis of an observed real world scene by presenting a visible representation of infrared (IR) radiation information, based on infrared (IR) radiation emitted from said real world scene, and additional information onto said observed real world scene, using a thermography arrangement (10) comprising an infrared (IR) imaging system (18), a visible light imaging system (14) and a visible light projecting system (22).
Owner:FLIR SYST AB

Generation of aggregatable dimension information within a multidimensional enterprise software system

Techniques for generating dimensional information in hierarchical form are described. A computer-implemented system including, for example, data storage with multi-dimensional data. The multidimensional data includes data cubes having dimensions. The system further includes an executable software module that scopes the data store and generates hierarchical data describing the dimensionality hierarchy of the data cube. The software module generates the hierarchical data to ensure that the hierarchical data aggregates within the sum represented by the data cube.
Owner:IBM CORP

Method and system for determining sulfide content in water body

The invention discloses a method and a system for determining sulfide content in water body. The method for determining the sulfide content in the water body comprises the following steps: sampling the sulfide-containing water body, collecting the hydrogen sulfide gas through a chemical reaction; performing spectrum detection on the collected hydrogen sulfide gas, obtaining a hydrogen sulfide gas absorbance spectrum feedback optical signal; transiting the obtained hydrogen sulfide gas spectrum absorbance optical signal to a data signal; analyzing the hydrogen sulfide gas absorbance spectrum feedback data signal, drafting a work curve by taking the concentration of a standard sample as abscissa and taking the absorbance of the standard sample as ordinate, and calculating the sulfide content by determining the absorbance of the sample to be measured. By employing the system for determining the sulfide content in the water body, detection process is simple and fast, the detection result is accurate and reliable, the detection cost is low, analysis operation is simplified, analysis speed is increased, and analysis error is reduced.
Owner:SHANGHAI ANJIE ENVIRONMENTAL PROTECTION TECH

Tracing and monitoring method of multi-stage fracturing flow-back fluid

The invention provides a tracing and monitoring method of a multi-stage fracturing flow-back fluid. The tracing and monitoring method of the multi-stage fracturing flow-back fluid comprises the following steps of injecting a tracer agent into each formation in the horizontal well multi-stage fracturing operation process; in the fracturing fluid flow-back process, periodically detecting the concentration of the tracer agent in the fracturing flow-back fluid; and according to the detected concentration of the tracer agent, calculating amounts of a fracturing fluid and formation water in the fracturing flow-back fluid of each formation and drawing the section of the fracturing flow-back fluid of each formation so as to analyze a fracturing situation of each formation. According to the tracingand monitoring method of the multi-stage fracturing flow-back fluid, the fracturing situation of each formation can be quantitatively monitored; the judged fracturing situation is visual and accurateand can be quantitatively analyzed, and the error of the fracturing situation is small; and an important guiding effect on the fracturing work of the same formation is realized. After the fracturingsituation is obtained by using the tracing and monitoring method of the multi-stage fracturing flow-back fluid, a design scheme can be optimized for situations of different formations so that the fracturing targeted property is higher, the purposefulness is higher and the significance in the actual production is important.
Owner:PETROCHINA CO LTD

Method for determining content of magnesia in phosphorus ore

The invention relates to a method for determining the content of magnesia in phosphorus ore, which comprises the steps of: when the content of the magnesia in the phosphorus ore is determined, directly placing filter paper together with a precipitate into a beaker after solution forms the precipitate and is filtered, dissolving the precipitate in 20mL of solution of hot hydrochloric acid, then performing subsequent titration step and blank experiment to calculate the content of the magnesia in the phosphorus ore, but not adopting hot hydrochloric acid and hot water to wash the precipitate on the filter paper. The method can effectively reduce analytical error and improve analysis precision.
Owner:HUBEI FORBON TECH

Measurement method for uranium content in ammonium diuranate

InactiveCN102323377AOptimal Analysis DeterminationIdeal precisionChemical analysis using titrationCooking & bakingWater baths
The invention discloses a measurement method for uranium content in ammonium diuranate. The method mainly comprises the following steps of: placing an ammonium diuranate sample in a baking box to bake for 2.0 hours and then taking the sample out; placing the ammonium diuranate sample in a dryer to be cooled to room temperature; placing a beaker on an electric heating plate to dissolve at a low temperature; adding sulfamic acid solution to wash the wall of the beaker; directly adding ferrous sulfate solution and stirring; placing the beaker in a water bath; adjusting the temperature of the water bath to be 30-35 DEG C; adding oxidant solution along the inner wall of the beaker; continuously stirring and standing to diminish foams; adding vanadyl sulfate and deionized water; adding standard potassium dichromate solid into sample solution; inputting sample weight and weight of added standard potassium dichromate solid into a computer titration software interface; and automatically calculating percentage content of uranium in the sample by a computer according to an automatic potentiometric titrimeter. The method is easy, safe and quick in analytical operation and is extremely suitable for large-batch sample analysis of enterprises.
Owner:中核二七二铀业有限责任公司

Method for synchronizing data acquired in hot continuous rolling process

InactiveCN102323794AEasy analysisEliminate the effects of space-time transitionsTotal factory controlProgramme total factory controlData synchronizationHysteresis
The invention discloses a high-dimension time sequence data synchronization method which is applied to a hot continuous rolling process, aims to solve the problems that the obtaining of the variables of different frames from a hot continuous rolling manufacturing process and other time sampling has hysteresis, time-varying and other phenomena so that the difficulty in quality detect cause analysis or control system debugging and optimization analysis is increased, builds spatio-temporal transformation relationship with the relationship among invariants in the hot rolling process, converts high-dimensional data which is sampled in equal time into synchronous sampling data with the same volume in a space, and establishes the spatial synchronous corresponding relationship of the high-dimensional data on strip steel. During a time-space conversion process, an undetermined coefficient in equal volume sample is first removed, then equal volume sampling is carried out with the spatio-temporal transformation relationship, and the sampling values of non-aligned points are estimated through an interpolation method during an equal volume acquisition process. A hot continuous rolling process is taken for an example to verify the effectiveness of the method, and the example shows that the synchronized data benefits to the quality defect cause analysis of some types of products.
Owner:UNIV OF SCI & TECH BEIJING

Method for quickly analyzing phase component of building gypsum

The invention belongs to the technique of building material analysis and relates to a method for quickly analyzing a phase component of building gypsum. The defects in the prior art are as follows: the demand on analytical instrument is high, the demand on the test condition is high, the analysis time is long and the operation steps are complex. The method comprises the following three steps: for quickly finishing the phase component analysis for the building gypsum, by utilizing the principle that the building gypsum loses the adhered water at 50 plus / minus 5 DEG C, loses all the crystal water above 180 DEG C and can have hydration reaction with water, the anhydrous gypsum in the building gypsum can combine with water in a 95% ethanol solution so as to form the hemi-hydrated gypsum, and the dihydrate gypsum cannot be generated by combining the hemi-hydrated gypsum with the water, wherein the three steps are as follows: measuring the contents of the adhered water and the anhydrous gypsum, measuring the content and purity of the hemi-hydrated gypsum, and measuring the content of the dihydrate gypsum. The method provided by the invention has the advantages that the analysis device is simple, only one halogen moisture tester is required, the test time is short, and the analysis result has stability and repeatability.
Owner:SHANGHAI RES INST OF BUILDING SCI CO LTD

Aqueous fluorescent tracer and preparation method thereof

The invention provides an aqueous fluorescent tracer and a preparation method thereof. The aqueous fluorescent tracer has a chemical structure shown in the description; and R in the chemical structureis -SO3Na, -(CH2)2NH(CH2)2SO3Na, -Ph-SO3Na, -Ph-COOC2H2SO3H or a group with the formula being shown in the description. The preparation method of the aqueous tracer comprises the following steps: carrying out a condensation reaction on salicylaldehyde and diethyl malonate with piperidine as a catalyst to obtain a first product; carrying out a hydrolysis reaction on the first product under an alkaline condition to obtain a second product; and reacting the second product with aminosulfonate to prepare the aqueous fluorescent tracer. The aqueous fluorescent tracer has the advantages of good water solubility, low cost, non-toxicity, good chemical and biological stability, good thermal stability, simplicity in analysis operation, small dosage, high sensitivity, and convenience in monitoring.
Owner:PETROCHINA CO LTD

Transgenic product surface plasma resonance biosensor detecting method

The detecting method of transferring gene product's surface plasma resonate biological sensor, which relates to a detecting method adopts to transferring gene product with surface plasma resonate biological sensor. Its procedure is designing and preparing ssDNA probe modified by tip biotin;using absorption to fix to probe on the surface of chip and forming monomolecular layer to execute detecting chip; adding sampling DNA PCR product to monitor cross reaction and observe analytic result after elution. Leading to the detecting of transferring product,the process is shortcut, accurate and real time response. Not only the psitive result of the determined PCR detected can be verificated, but also the selecting experiment can use the transferring geng product's specificity detecting probe. As compared to general gene detection, the probe is immobilizing, uses repeatedly and is low cost ;the sample needn't deal with in advance and extra reagent, can analyse directly; answering quickly, cutting detecting time and analyzing continuously to make true on line and real time monitoring of DNA; the analysis work is simple and is easy to automatic measurement.
Owner:XIAMEN UNIV +1

Mid-infrared spectrum identification method of adulterated pearl powder

The invention provides a mid-infrared spectrum identification method of adulterated pearl powder. The method comprises the step of qualitatively and quantitatively analyzing the suspected adulterated shell powder, calcium carbonate powder and talcum powder in the to-be-tested pearl powder by use of the Fourier transform infrared spectrum. The basic principle of the identification method is as follows: the calcium carbonate in the pearl powder is an aragonite type, and the calcium carbonate in the calcium carbonate powder is a calcite type; after the shell powder is calcined at the specific temperature, the calcium carbonate of the aragonite type is completely transformed to the calcium carbonate of the calcite type, and the calcium carbonate in the calcined pearl powder is still remained in the aragonite type; furthermore, the main ingredient of the talcum powder is magnesium silicate, the Si-O stretching vibration absorption peak of the magnesium silicate is located in the infrared region, and is obviously different from the feature peak of the pearl powder. The mid-infrared spectrum identification method of the adulterated pearl powder provided by the invention has the advantages of being fast in sample manufacturing, simple in analysis operation, convenient and fast, small in error, and low in cost; therefore, the method has the excellent scientific research value and the market value.
Owner:DSSUN NEW MATERIAL SHANDONG

Method and device for detecting sharing risk link group

The invention provides a method and device for detecting a sharing risk link group. The method includes the following steps that: a first curve about the change of power corresponding to backward light in a first link to be detected with time and a second curve about the change of power corresponding to backward light in a second link to be detected with time are recorded respectively; and the similarity value of the first curve and the second curve is calculated, whether the first link to be detected and the second link to be detected are located in the same sharing risk link group is judged based on the similarity value. According to the method and device for detecting the sharing risk link group provided by the embodiments of the invention, the power characteristics of the backward light of detection light in the links to be detected are tested, and whether the links to be detected are located in the same sharing risk link group is judged based on the one-dimensional power characteristics. The method and device are relatively simple in practical application.
Owner:ALIBABA GRP HLDG LTD

Method of determining drilling depth in real time according to operation parameters of hydraulic drilling rig

The invention discloses a method of determining the drilling depth in real time according to operation parameters of a hydraulic drilling rig and belongs to the fields such as mine water prevention and control, rock burst prevention and control and gas extraction technologies. The rotating pressure and the feed pressure of the drilling rig are measured in real time through a pressure transmitter. The drilling speed of a drilling rod is tested through a wire-drawing displacement sensor. Then the eigenvalues of the rotating pressure, the feed pressure and the drilling speed are determined aiming at every drilling rig. In the operation process of the drilling rig, the working state (drilling, or idling, or drilling rod feeding or drilling rod withdrawing) of the drilling rig is determined according to the relationship of the parameters and the eigenvalues of the parameters. When the drilling rig is in the drilling state, the drilling speed is multiplied by drilling time, namely the drilling depth during the time is obtained, and finally the drilling depths of effective drilling time periods are accumulated, namely the real time drilling depth can be obtained. The problems that an existing method needs long time and great effort, and the result is not reliable are solved.
Owner:CHINA UNIV OF MINING & TECH

Method for simultaneously measuring trivalent chromium and hexavalent chromium in water samples by aid of low-pressure ion chromatograms and inductively coupled plasma mass spectra in combination manner

The invention provides a method for simultaneously measuring trivalent chromium and hexavalent chromium in water samples by the aid of low-pressure ion chromatograms and inductively coupled plasma mass spectra in a combination manner.The method is implemented by the aid of an analytical instrument which comprises a low-pressure pump, a six-way sample injection valve, a sample injection ring, a low-pressure adsorption column, a low-pressure anion separation column and an inductively coupled plasma mass spectrometer.The method includes steps of 1, surveying and mapping base lines; 2, surveying and mapping spectrograms of the trivalent chromium and the hexavalent chromium in the test samples; 3, replacing the test samples by a series of standard samples with trivalent chromium and hexavalent chromium with known concentrations, carrying out operation at the steps 1 and 2 again to obtain spectrograms of the trivalent chromium and the hexavalent chromium in the series of standard samples, and drawing working curves of the trivalent chromium / the hexavalent chromium; 4, substituting peak height values of the spectrograms of the trivalent chromium / the hexavalent chromium in the test samples into regression equations of the working curves, obtained at the step 3, of the trivalent chromium / the hexavalent chromium and computing the concentrations of the trivalent chromium and the hexavalent chromium in the test samples.The concentrations of the trivalent chromium / the hexavalent chromium in the standard samples are used as horizontal coordinates for drawing the working curves of the trivalent chromium / the hexavalent chromium, and peak heights of the spectrograms of the trivalent chromium / the hexavalent chromium in the standard samples are used as vertical coordinates for drawing the working curves of the trivalent chromium / the hexavalent chromium.
Owner:SICHUAN UNIV

Analytical method for directly measuring fluorine ion content in carbonic acid rare earth by using fluorine ion electrode method

The invention discloses an analytical method for directly measuring fluorine ion content in carbonic acid rare earth by using a fluorine ion electrode method, and belongs to a detection method of rare earth analysis. According to the invention, analysis on the action of perchloric acid in a distillation process, the property of a fluorine ion, a measuring principle of a fluoride ion selective electrode and the like are the basis of the analytic method, and the method is provided by taking inspection on the influence of matrix concentration, sampling dissolving manner and other aspects on measurement of the fluoride ion as an experiment orientation; the analytical method for directly measuring the fluoride ion content in the carbonic acid rare earth by using the fluorine ion electrode method is capable of removing a perchloric acid distillation link, a condition that a few of organic P507 which is clamped in the perchloric acid and the carbonic acid rare earth causes an exploding potential safety hazard is eliminated, the analysis cost is reduced, and the analysis process is stable, rapid, safe and environment-friendly.
Owner:BAOTOU HUAMEI RE PRODS

Method for preparing yttrium oxide transparent ceramic through co-precipitation

The present invention belongs to the technical field of production of transparent ceramics, and relates to a method for preparing an yttrium oxide transparent ceramic through co-precipitation. According to the present invention, the yttrium oxide transparent ceramic is prepared through the co-precipitation method, wherein the stirring speed of the reaction solution is controlled at 330-430 r / min at the precipitation reaction stage, such that the concentration distribution in the solution is uniform so as to prevent the sever power agglomeration, the non-uniform particle size distribution, theinstable transmission of the ceramic and other current status caused by the excessive local circulation and layering phenomenon, wherein the unreasonable stirring speed can cause the excessive local circulation and layering phenomenon.
Owner:XUZHOU NORMAL UNIVERSITY

Commodity operation data analysis method and device, equipment and computer readable medium

The invention discloses a commodity operation data analysis method and device, equipment and a computer readable medium, and belongs to the technical field of data processing. The method comprises the steps of obtaining a commodity analysis demand, and determining a classification level, an analysis index and an analysis dimension of a commodity; combining the classification level, the analysis index and the analysis dimension to establish an analysis path of the commodity; summarizing the commodity operation data according to the analysis path to form summarized data; and performing data analysis according to the summarized data and the analysis requirements. By establishing the analysis path and isolating the analysis path from the analysis demand, the analysis path can be reused by different analysis demands, the data analysis operation is simplified, and the analysis efficiency is improved.
Owner:唯品会(广州)软件有限公司

Dynamic balance analysis method and device of single-point diamond lathe

The invention discloses a dynamic balance analysis method and device of a single-point diamond lathe, and relates to the field of numerical control. The dynamic balance analysis method and device are invented in order to solve the problems that in the prior art, dynamic balance analysis precision is low, operation is complex, and cost is high. According to the technical scheme, the method comprises the steps that S10, lathe parameters input by a user are received; S20, a spindle of the to-be-analyzed single-point diamond lathe is controlled to rotate according to the lathe parameters; S30, the offset of an axis X of the to-be-analyzed single-point diamond lathe and the corresponding angle of an axis C of the to-be-analyzed single-point diamond lathe are acquired; and S40, dynamic balance analysis is carried out according to the offset of the axis X and the corresponding angle of the axis C, and an analysis result is obtained.
Owner:北京海普瑞森超精密技术有限公司

Single cell Raman spectrum acquisition number estimation method, data processing method and device

The invention belongs to the technical field of data processing, and discloses a single-cell Raman spectrum acquisition number estimation method, a data processing method and a data processing device. The single-cell Raman spectrum acquisition number method comprises the following steps: calculating according to a Raman spectrum signal-to-noise ratio, percentage content and a specified threshold value of a target analyte to obtain a probability value that the target analyte is detected; then, the collection number of the Raman spectrums is calculated, so that the detection probability value of the target analyte can be more reasonably calculated under the condition that spectrums of the target analyte and other substances are overlapped, namely background noise exists, and the collection number of the Raman spectrums is more accurately calculated. According to the single-cell Raman spectrum data processing method and the single-cell Raman spectrum data processing device, an analysis process suitable for analyzing single-cell Raman spectrum data is integrated, and a newly developed method for estimating the collection number of Raman data is embedded, so that a semi-automatic analysis platform for single-cell Raman spectrum analysis can be provided for a user; and the single-cell Raman spectrum analysis operation can be simplified.
Owner:GUANGZHOU MEDICAL UNIV

Trace phosphorylated peptide desalting column

The invention relates to a trace phosphorylated peptide desalting column, which takes a reversed-phase C18 and polypyrrole composite as a separation material, makes use of electrostatic interaction between positive charges on polypyrrole nitrogen atoms and electronegative phosphate groups and pi-pi stacking interaction of polypyrrole unsaturated double bonds and aromatic amino acid residues to compensate insufficient of C18 stationary phase single hydrophobic interaction and enhance interactions of separation materials and target molecules. Pyrrole and ammonium persulfate are used as raw materials, processed by ultrasound at room temperature, then washed, filled, and sealed to get the trace phosphopeptide peptide desalting column. The polypyrrole-modified quartz material prepared by the invention is high in separation efficiency, purity and stability. The material can be used in acidic conditions and alkaline conditions, so peptides which cannot be detected by conventional C18 stationary phases can be detected, signal to noise ratio is high, and interference is small. The method is simple, does not require sophisticated equipments, can effectively gather phosphorylated peptides of low abundance, is simple in sample analysis operation, and has no complex sample preparation.
Owner:HUAZHONG NORMAL UNIV

Iron tower support material processing method

The invention discloses an iron tower support material processing method, and the method is closer to the reality than traditional methods, is simpler to operate than theoretical analysis, and enables calculation results to be closer to facts under the premise of increasing tiny complexity. The method comprises the following steps of: (1) calculating the maximum internal force of each stressed material component under a plurality of using conditions by utilizing a finite unit method calculation tool; (2) loading a prescribed percentage of the maximum internal force of a supported component onto a support point in a direction vertical to a supported rod according to an engineering design requirement, so as to construct a model; (3) for the model, calculating influences, on a support rod, of a support force P1 by using a finite unit method, so as to obtain an internal force of the support rod; (4) obtaining minimum specification and number of bolts required by the components according to the calculated internal force; (5) substituting the calculation result back into the model and accurately determining and optimizing a boundary condition; (6) judging whether the calculation result is changed or not, if the judging result is positive, skipping to the step (1), and otherwise, executing step (7); and (7) successfully carrying out optimization and ending the operation.
Owner:BEIJING DAOPOWER

UDP (User Datagram Protocol) message analysis method and device and computer equipment

The invention provides a UDP (User Datagram Protocol) message analysis method and device and computer equipment, and relates to the technical field of communication. The method comprises the steps that selection operation input by a user is received, corresponding target analysis tasks are obtained from multiple analysis tasks in an analysis task library according to the selection operation, and each target analysis task comprises a target receiving address and a target analysis rule; receiving a UDP message to be analyzed from the target receiving address; and analyzing the UDP message according to the target analysis rule to obtain an analysis result. According to the UDP message parsing scheme provided by the invention, different parsing rules are configured to parse different types of UDP messages, a parsing program does not need to be modified, the parsing rules are completely self-defined, and in addition, different receiving addresses can be configured to receive the UDP messages, so that the parsing work is simpler and more convenient, and the flexibility of the parsing work is improved.
Owner:CHENGDU SHULIANYUNSUAN TECH CORP

Medical consumable dynamic supervision method and system based on multi-dimensional continuous drilling

The invention provides a medical consumable dynamic supervision method and system based on multi-dimensional continuous drilling in the field of medical consumable supervision. The method comprises the steps: S10, configuring a standardized interface; S20, configuring a hierarchical collection mode of the medical consumable data; S30, configuring a time collection mode of the medical consumable data; S40, configuring a display mode of the medical consumable data; S50, configuring a query condition of the medical consumable data; S60, configuring a multi-dimensional continuous drilling mode ofthe medical consumable data; S70, monitoring the medical consumables according to the standardized interface, the hierarchical collection mode, the time collection mode, the display mode, the query condition and the multi-dimensional continuous drilling mode; wherein the step S10 to the step S60 are not performed in sequence. The medical consumable supervision system has the advantages that multi-dimensional and dynamic supervision of medical consumables is realized, and the transparency, accuracy and integrity of medical consumable supervision are greatly improved.
Owner:福建亿能达信息技术股份有限公司

Trace phosphorylated peptide desalting column

The invention relates to a trace phosphorylated peptide desalting column, which takes a reversed-phase C18 and polypyrrole composite as a separation material, makes use of electrostatic interaction between positive charges on polypyrrole nitrogen atoms and electronegative phosphate groups and pi-pi stacking interaction of polypyrrole unsaturated double bonds and aromatic amino acid residues to compensate insufficient of C18 stationary phase single hydrophobic interaction and enhance interactions of separation materials and target molecules. Pyrrole and ammonium persulfate are used as raw materials, processed by ultrasound at room temperature, then washed, filled, and sealed to get the trace phosphopeptide peptide desalting column. The polypyrrole-modified quartz material prepared by the invention is high in separation efficiency, purity and stability. The material can be used in acidic conditions and alkaline conditions, so peptides which cannot be detected by conventional C18 stationary phases can be detected, signal to noise ratio is high, and interference is small. The method is simple, does not require sophisticated equipments, can effectively gather phosphorylated peptides of low abundance, is simple in sample analysis operation, and has no complex sample preparation.
Owner:HUAZHONG NORMAL UNIV

Education cloud platform based on education big data

The invention discloses an education cloud platform based on education big data, and relates to the technical field of education platforms. The educational cloud platform comprises an educational resource acquisition module, an educational resource arrangement module, an educational resource import module, a cloud server, a storage module, a security verification module and a mobile terminal, the educational resource acquisition module firstly acquires various educational resources required by the educational cloud platform; and the educational resource acquisition module sends collected resource data to the educational resource arrangement module, the educational resource arrangement module arranges the received resource data and then sends the data to the educational resource import module, and the educational resource import module imports the arranged resource data into the cloud server. Through the safety verification module, the safety of the education platform is improved, some information of students can be strictly kept and prevented from being leaked, and original data are processed through the education resource arrangement module, so that the original data are systematized and organized, and later search is facilitated.
Owner:博为科技(北京)有限公司
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