170results about How to "Shorten the analysis cycle" patented technology

The invention discloses an online oil way abrasive particle monitoring device. An amplitude difference and a phase difference of excitation signals on two groups of excitation coils of an oil way abrasive particle sensor are adjusted during initially electrifying, so that the polarities of magnetic fields generated by the two excitation coils of the oil way abrasive particle sensor are reversed and neutralized in a middle detection coil. Consequently, when oil liquid without abrasive particles passes through the oil way abrasive particle sensor under ordinary circumstance, only a small carrier signal is output from the detection coil; when oil liquid with abrasive particles passes through the sensor, generated abrasive particle signals are modulated on the carrier signal and subsequently transmitted into a signal detecting circuit to amplify and demodulate, so that effective abrasive particle signals can be acquired; the abrasive particle signals are transmitted to a DSP (Digital Signal Processor) to process so as to acquire parameters, such as the size, the number and the material, of the abrasive particles; and due to the parameters, the abrasion condition of a monitored mechanical device is reflected, so that the health condition of the monitored device is acquired in real time and the online monitoring on the oil way abrasive particles is realized.

The embodiment of the invention provides a text information classification method and device. According to the method, a sample keyword information set of a text category is set in advance, and a corresponding relation between the sample keyword information set and text category information is established, so that a matching foundation is provided for subsequent classification of to-be-classifiedtext information; and during classification processing of the to-be-classified text information, keyword information is extracted from the to-be-classified text information according to preset rules,and the text category information corresponding to the to-be-classified text information is obtained through matching according to the corresponding relation between the sample keyword information setand the text category. Through the information classification mode, it is only needed to perform system automatic matching, classification processing efficiency is greatly improved, the analysis cycle is shortened, a manual allocation error is lowered, and matching accuracy is improved.

The invention relates to a pretreatment method for purifying dioxin, polychlorinated biphenyl and polybrominated diphenyl ether in extract liquor. Purifying columns which respectively comprise a compound silicagel column, an alkaline aluminium oxide column and a Florisil column are arranged on an extraction module of a full-automatic solid-phase extractor, wherein fillers in each compound silicagel column comprise the following materials from bottom to top in sequence: silica gel, alkaline silica gel, silica gel, acidic silica gel and anhydrous sodium sulfate, and an eluent is normal hexane; fillers in the alkaline aluminium oxide column comprise the following materials from bottom to top in sequence: alkaline aluminium oxide and anhydrous sodium sulfate, and an eluent is mixed liquor of normal hexane and dichloromethane; fillers in the Florisil column comprise the following materials from bottom to top in sequence: Florisil and anhydrous sodium sulfate, the eluent is divided into two types according to the sequence of the steps, the eluent in the first step is the mixed liquor of normal hexane and dichloromethane, and the eluent in the second step is dichloromethane; and among all purifying columns, the eluents are transferred to an online concentrator for evaporation and concentration, and then are transferred to the next purifying column for purifying and treating.

The invention discloses a method for quickly measuring the content of phosphorus, lead and zinc in industrial ferrous dust. The method comprises the steps of sample decomposition, setting the instrument analysis parameters of an ICP (Inductively Coupled Plasma) spectrometer, interference correction, making a working curve, and analyzing the content of to-be-measured elements in a measured sample by using an ICP spectral method, wherein the sample decomposition comprises sample pre-decarburizing treatment and sample pressure-microwave digestion. The invention provides a new method for improving the speed and the accuracy in a chemical test of hazardous elements in metallurgical dust.

The present invention provides a gas-oil dissociation ceramic composite film tube and its component and preparing method, the film and the component are mainly used for power equipment dielectric oil degassing online. The ceramic composite film tube use hyperfiltration, microfiltration or nanofiltration ceramic film tube as a support layer, a separating layer is a polymer having better oil resistance and ventilation property, a polymer film tube is formed on the surface of the ceramic tube by coating method. A degassing component is composed of a composite film tube, a case and an oil resistant rubber seal ring. The component may includes single ceramic composite film tube and also assembled by multiple film tubes. The component case is set with inlet and outler for gas and oil. The invention component combines the high strength of the ceramic film tube and the macromolecule better air permeability, has a rapid degassing speed, lower cost, convenient installation and use.

The invention provides a glass reagent for preparing glass fuse pieces used for metallurgical flux X-ray fluorescence analysis, consisting of anhydrous lithium tetraborate or mixture of anhydrous lithium tetraborate and lithium metaborate, and boric acid. A method for preparing the glass fuse pieces includes: firstly adding the anhydrous lithium tetraborate or the mixture of anhydrous lithium tetraborate and lithium metaborate in the metallurgical flux, then fusing at a high temperature for 12-15mins in a platinum yellow pot, preparing the glass fuse pieces after cooling; or fully mixing the boric acid with the anhydrous lithium tetraborate or the mixture of the anhydrous lithium tetraborate and lithium metaborate in advance, preparing the fast fused glass reagent and then mixing with the metallurgical flux, then fusing at the high temperature for 12-15mins in the platinum yellow pot, and preparing the glass fuse pieces after cooling. The glass reagent has accurate and stable analysis results, and greatly shortens the analysis period of the metallurgical fusing agent.

The invention discloses a method and a device for data processing, and relates to the field of computer information processing. The method comprises the steps of obtaining basic data according to a business demand index; processing the basic data through a gradient modeling method to generate wide table data, the wide table data comprising multi-dimensional data; configuring indexes and dimensionattributes for the wide table data to generate metadata; and performing release processing on the metadata to generate release data. According to the method and device for data processing, the data analysis period can be shortened, the data analysis efficiency can be improved, and a flexible and variable data display mode can be provided for data demanders.

The invention relates to an analysis method for quickly detecting urine creatinine by isotopic dilution, extractive electrospray ionization (EESI) and tandem mass spectrometry (MS/MS), and belongs to an analysis and detection means for a renal function biomarker. The method is characterized in that the detection means is that an EESI source is subjected to direct MS and MS/MS under normal pressure, linear trap quadrupole (LTQ)-MS/MS is set to be in a positive ion detection mode, the parameters of the EESI source, such as the composition of an electrospray solvent are adjusted, an isotopic dilution technology and a standard addition method are adopted in quantitative analysis, creatinine at gradient concentration and deuterated creatinine at fixed concentration are added into an urine sample, direct analysis is performed, a standard addition curve is drawn, and the concentration of the urine creatinine is obtained. The urine creatinine can be directly measured under the condition that the sample is not pretreated, and the defects of a long analysis period and low efficiency in the prior art are overcome. The method has the characteristics of quickness, accuracy, capability of resisting interference from a substrate, and the like, and is particularly suitable for the clinical research of renal disease (such as the early diagnosis of acute renal failure) and high-flux sample analysis.

The invention discloses a method for determining tungsten content in ferroniobium. The method comprises steps of pre-treating, preparing a standard solution and determining. The method comprises the specific steps of adding hydrofluoric acid into a sample to be tested; dropwise adding concentrated nitric acid and adding concentrated phosphoric acid and sulfuric acid; dissolving the test sample and making up to the volume; and uniformly shaking for later detection; drawing a tungsten spectral line intensity-mass fraction working curve on a plasma atomic emission spectrometer by a prepared tungsten standard solution; and analyzing the sample to be tested by using the curve to obtain the tungsten content in the ferroniobium. According to the method, a plasma atomic emission spectrometry is used for determining the tungsten content in the ferroniobium to make up the technical blank of a detection project; reagents and time are saved and the labor cost is also saved; the tungsten content in the ferroniobium can be rapidly and accurately analyzed; the checking requirements of products of iron and steel enterprises in a ferroniobium utilization process are met. The method is convenient and rapid to operate, the analyzing cost is low; a determination result has good stability, repeatability and accuracy; the determination requirements on the tungsten content in the daily ferroniobium can be met.

The invention provides a rock sample bulk volume and variable density determination apparatus and a method thereof, and belongs to the field of oil-gas geology exploration and development. The rock sample bulk volume and variable density determination apparatus comprises a magnetic pole (1), a magnetofluid tank (2) and a sample disc (4); the magnetic pole (1) comprises an N pole and an S pole; the magnetofluid tank (2) is arranged between the N pole and the S pole; a magnetofluid (3) is arranged in the magnetofluid tank (2), and the controlled adjustment of the apparent density of the magnetofluid (3) can be realized through an applied electromagnetic field; and the sample disc (4) is arranged in the magnetofluid tank (2), and is connected with a rock sample weighing instrument (6) outside the magnetofluid tank (2). The apparatus and the method realize the rapid determination of the bulk volume of a rock sample by using the variability of the density of the magnetofluid, optimize the determination technology of the porosity of the rock sample, shorten the analysis period and improve the work efficiency.

The invention discloses a detection method of ultra-high performance liquid chromatography-tandem mass spectrometry of ipconazole residues in maize. The detection method comprises the steps of: firstly extracting the ipconazole in the maize by utilizing an optimized QuEChERS method (purifying agents in extraction and purification steps are three kinds of PSA, C18 and GCB) with acetonitrile as an extraction solvent, and obtaining higher adding standard recovery rate; and then adopting the ultra performance liquid chromatography-tandem mass spectrometry (UPLC-ESI+-MS/MS) to detect the ipconazolein the maize. The detection method is simple, sensitive and selective, and can provide scientific techniques for safety monitoring and environmental behavior assessment of agricultural products.

The invention relates to a quantitative matter measuring method using spectrometry. Aiming to solve the problem that with current methods, the content of plutonium and nitric acid cannot be measured simultaneously in a PUREX (plutonium uranium reduction extraction) process, the invention provides a method for simultaneously and rapidly measuring the content of plutonium and nitric acid in an organic phase. The method comprises the following steps: (1) building a mathematical model for measuring the content of plutonium and nitric acid in an organic phase through near infrared spectrometry, namely preparing a sample set, collecting near infrared spectrum, building and evaluating the mathematical model and verifying the mathematical model; and (2) measuring the content of plutonium and nitric acid in the sample by the mathematical model. According to the invention, the mathematical model is built by partial least squares; the measurement of the content of plutonium and nitric acid in the to-be-measured sample is realized by the mathematical model and near infrared spectrum data of the to-be-measured sample; the method has the advantages of being simple and rapid in analysis process, strong in anti-interference ability and small in sampling amount and belongs to nondestructive analysis.

The invention belongs to the technical field of metallurgical analysis and relates to an improvement on a method for analyzing components of nickel-based high-temperature alloy steel. A method for measuring the components of the nickel-based high-temperature alloy steel comprises the following steps: determining an analysis condition; preparing an analysis sample; making a calibration curve; analyzing the sample; calculating the analysis result. The invention provides a method for measuring components of nickel-based high-temperature alloy steel by using a photoelectric direct reading spectrometer, so that analysis equipment is reduced, analysis procedures are simplified, analysis period is shortened, and analysis cost is reduced.

The invention relates to a method for extracting wedelia lactone by using microwave-assisted technology, which comprises the following steps of: crushing eclipta grass, adding an organic extractant, extracting with microwave for 2-3 times, filtering the extract, combining filtrate, recovering organic extractant with a rotary evaporator by reduced pressure evaporation to obtain dark green extract, adding 2-5 times the volume of water, heating in a microwave reator of 70-80 DEG C for a period of time, filtering as soon as possible, adding petroleum ether to the filtrate to remove fat-soluble ingredients such as chlorophyll, adding ethyl acetate to extract, adding anhydrous sodium sulfate to remove water, concentrating under reduced pressure to obtain yellow-green extract, taking certain amount of extract on the silica gel column, using ethyl acetate-methanol with polarity ascending for the gradient elution, obtaining off-white solid when the volume ratio of ethyl acetate-methanol is appropriate, and recrystallizing with methanol for 2-4 times to obtain the product. The microwave extracting technology can shorten the time, reduce the solvent dosage and energy consumption, and also can improve the yield and purity of the extract. The technology can meet the requirement of the green environmental protection and has significance of industrialization.

The invention aims at providing a method for quickly semi-quantifying GH4169 alloy trace elements. The method comprises the following steps of: semi-quantifying the GH4169 alloy trace elements by adopting fluorescent spectrometry, and working out 1% net strength value of the GH4169 alloy trace elements; figuring out a critical strength value when the contents of the trace elements are respectively equal to 0.005% according to the 1% net strength value of the trace elements; comparing the measured strength of a test sample with the critical characteristic spectral line strength of the test sample to directly judge whether the test sample satisfies the requirements or not; or drawing a single-scale sensitivity curve by utilizing a proportional relationship between the element contents and the characteristic spectral line strength, so that the contents of three trace elements in the test sample are quickly semi-quantified. The method for quickly semi-quantifying GH4169 alloy trace elements does not need chemical pre-treatment and causes no damages to the surface of the test sample, can be used for conveniently testing the test sample again and again, is capable of greatly improving the material inspection efficiency in the production and shortening the analysis period and can well meet the modern generation requirements. Moreover, the method can be expanded to semi-qualifying analysis of trace elements in other high-temperature alloys.

The invention relates to an analysis method of the content of alloy elements, in particular to an element content fluorescence analysis method of iron-base alloy. According to the technical scheme, the method comprises the following steps: (1) measuring an iron-base alloy standard sample, and drawing a comprehensive standard curve; (2) determining an optimum measurement parameter of a fluorescence spectrometer; (3) analyzing the comprehensive standard curve, and determining a linear relation between the element characteristic X-ray intensity and the element content; (4) setting the content of each element in an iron-base alloy virtual synthesized standard sample; (5) drawing a single element virtual working curve; and (6) measuring the content of each element in the iron-base alloy to be detected by utilizing the single element virtual working curve. According to the element content fluorescence analysis method of the iron-base alloy, the intensity of the characteristic X rays of the element to be detected in the iron-base alloy sample is measured to obtain the content of the element in the iron-base alloy to be detected.

The invention discloses a method for measuring the content of manganese in silicon-vanadium alloy. The method comprises the following steps of pretreatment, standard solution preparation and measurement, and concretely comprises the steps of feeding concentrated nitric acid and hydrofluoric acid into a sample to be measured, then feeding perchloric acid until smoking and being nearly dry, taking down, making up to volume, and shaking up for measurement; making a manganese spectral line intensity-mass fraction work curve on a plasma atomic emission spectrometer by the prepared standard manganese solution, and analyzing the sample to be measured through the curve to obtain the content of the manganese in the silicon-vanadium alloy. According to the method, the content of the manganese in the silicon-vanadium alloy is measured by a plasma atomic emission spectrometry; the method is less in the used reagent and low in interference, and is capable of reducing the environmental pollution and increasing the working efficiency; the method is good in accuracy and e provides accurate data for production and utilization of the silicon-vanadium alloy in the iron and steel enterprises. The method is convenient and rapid to operate and low in analysis cost, and measurement results of the method are good in stability, reproducibility and accuracy, so that the daily demand of measuring the content of the impurity element in the silicon-vanadium alloy can be met.