57 results about "Routine analysis" patented technology

A flow cell is disclosed for collecting and concentrating a sample dispersed in a flowing medium. The collected sample can be selectively manipulated within the cell by the use of one or more traveling wave grids. The cells are particularly useful as bio-enrichment devices and can be utilized upstream of conventional analytical or detection instruments.

The invention relates to a method for quickly measuring the allantoin content in yam with near infrared spectrum, and the method can effectively solve the problems of fast measure of the allantoin content in the yam and improved productivity effect. The method includes the steps that: firstly, a straightening mould is built, a yam sample is collected to be used as a sample collection, a near infrared spectrogram for straightening the sample collection is obtained through scanning, the obtained spectroscopic data are performed pretreatment of spectrum, then the analysis result of a routine analysis-high performance liquid chromatography is adopted as a reference value, a least square method in the stoichiometry is applied to build the straightening mould between a yam medicinal herb spectrum and the allantoin content inside therein, the allantoin content in the yam is obtained through the measure of the straightening mould, the input of the spectroscopic data is realized by a computer and the soft thereof, the whole process has short time, fast speed and nicety, measures on line, improves the productive effect and saves a large number of manpower and material resources, is an innovation for measuring the allantoin content in the yam, and has huge economic and social benefit.

The invention relates to the technical field of valproic acid blood drug level monitoring, and specifically discloses a valproic acid homogeneous-phase enzyme immunity rapid detection kit. With derivative synthesis, valproic acid is connected onto bovine serum albumin (BSA), such that an immunizing antigen is obtained. An obtained polyclonal antibody has valproic acid specificity. Experiment data shows that when the reagent is used for detecting valproic acid, no cross reaction occurs between the reagent and other commonly used medicines; an analysis sensitivity is better than 25ng / ml; within-run precision and within-run precision coefficient of variability (CV) are both smaller than 4.7%; and compared with a fluorescence polarization immunoassay (EPIA) method, an R2 value reaches 0.98. The kit can be used in various routine analysis instruments. Because of characteristics of simple operation, high speed, low cost, and high sensitivity, with the kit, automatic detection can easily be realized. The kit assists in guiding clinical customized medication. With the kit, toxic or side effect of medicines is reduced, and curative effect optimization is realized.

The invention provides an ion chromatography and voltammetry detection method for quickly detecting anions in milk, which specifically comprises the following step of completing the separation and determination of iodine ions and thiocyanate radical ions within five minutes by using an ion chromatograph with styrene and divinyl benzene copolymer as a filling agent and quaternary amine as an ion exchange functional group, a NaNO3-NaOH elution liquid and a voltammetric detector. The detection repeatability RSD% (n=3) of (I-) and (SCN-) are respectively 1.12% and 1.58%, and the degrees of accuracy (recovery rates) are respectively 98.3% and 93.6%. The separation and determination of (I-) and (SCN-) are completed within five minutes, and the contents are respectively 2.013 mg / L and 0.109 mg / L. The method has high sensitivity and accuracy and short analysis time and can be used for the routine analysis of milk.

The invention relates to a method for quantitatively determining inclusion in large-scale metal at original position, which belongs to the field of steel determination and analysis technology. The method comprises the following steps of: respectively intercepting a cross section with a length of 100 to 500 mm for continuous casting slab, bar material, H-shaped steel or plate material, longitudinally intercepting a sample with a width of 10 to 20 mm from the surface to the core portion, cleaning the surface of the steel sample, applying a resin adhesive layer except for the original surface of the steel, electrolyzing the sample for 4 to 10 times until the portion of the sample in the electrolyte is completely electrolyzed, and subjecting inclusions collected by each electrolysis step and the each electrolyzed sample layer to routine analysis by using a microscope, an original position analyzer and a spectrometer. Since the sample and the electrolyzed steel material is an integral sample from the surface to the core portion, the method can determine the change of inclusions and precipitates from the surface to the core portion of the steel sample, thus factually representing the distribution of inclusions and precipitates in large-scale metal.

A diagnostic system made part of or for use with a document handling device in which a customer is guided toward performance of at least one comparison means in a diagnostic routine analysis. The comparison means is selected from a group comprising (1) a first comparison comparing a fused print media and an unfused print media for presence of a defect, (2) a second comparison comparing an output print media and at least one image on a screen for a type of defect, and (3) a third comparison comparing a low-charged print media and a no-charged print media for qualities of the defect. The customer enters a selection based on results of the first, the second, or the third comparisons. The diagnostic system can identify a part causing a defect in the print media based on results of the comparisons.

A method for integrally analyzing eight elements in aluminium alloy includes weighing test sample once for testing eight elements of Si, Mg, Cu, Mn, Zn,Ti and Ni; applying direct comparison means calculate and process test sample for directly printing out test result by instrument; using only one operator to finish work from weighing test sample to reporting out analysis result of eight element in 5 - 6 hours; rechecking or arbitrating eight element analysis result done by photoelectric direct - read spectrograph.

The invention claims a hollow-fiber-film-coated molecular imprinting integral adsorption rod, as well as a preparation method and an application thereof. According to the invention, an atrazine molecular imprinting capillary integral extraction head is prepared by using a way of in-situ microwave polymerization in a capillary; the imprinting integral extraction head is coated by using a hollow fiber film and then is used as a solid phase micro-extraction head; by combining a hollow fiver film extraction technology and a high performance liquid chromatography, parameters affecting the extracting efficiency are optimized, such as extraction and analysis solvents, salt concentrations and pH values, extraction and analyzing time, stirring speed and the like; two analysis methods capable of directly extracting triazine herbicides in an environmental water sample are established. The standard recovery rates of detected four triazine herbicide substances are greater than 80% under the optimized experiment conditions. According to the invention, a detection method in which hollow-fiber-film-coated molecular imprinting polymer integral column micro-extraction and an HPLC (High Performance Liquid Chromatography) are combined is established; the detection method has the advantages of simplicity, rapidity, high sensitivity and the like and is suitable for the routine analysis of the water samples.

The present invention discloses methods for determining the content of imidafenacin and detecting related substances. According to the methods, high-performance liquid chromatography is mainly used for determining and detecting the content of active pharmaceutical ingredient imidafenacin, and imidafenacin related substances. The methods are time-saving and labor-saving, high in precision, accurate in content determination results, and good in repeatability and recovery, and the method is validated, and can be used for routine analysis and quality control of imidafenacin materials and preparation samples.

The invention provides a method for determining tobacco-specific nitrosamines in cigarette mainstream smoke by employing online two-dimensional chromatography-tandem mass spectrometry. The method comprises the steps of capturing and extracting cigarette mainstream smoke and then obtaining a sample solution; and carrying out qualitative and quantitative analysis on a nitrosamine component in the sample solution by adopting ultrahigh performance bonded-phased chromatography-liquid chromatography-mass spectrometry (UPCC-HPLC-MS / MS). The invention further provides an online two-dimensional chromatography-tandem mass spectrometry system for the tobacco-specific nitrosamines in the cigarette mainstream smoke and an application method of the online two-dimensional chromatography-tandem mass spectrometry system. The method for determining the tobacco-specific nitrosamines in the cigarette mainstream smoke by employing the online two-dimensional chromatography-tandem mass spectrometry providedby the invention has the advantages of being simple in operation, fast in detection and high in sensitivity and is suitable for routine analysis and detection of the tobacco-specific nitrosamines in the cigarette mainstream smoke, especially accurate quantification of traces of nitrosamines in medium and thin cigarette smoke samples.

The invention discloses a method for high-density lipoprotein chip electrophoresis. The method comprises the following steps of selection of a buffer system, selection of an electrophoresis chip, sampling and marking of blood serum, electrophoresis and the like. The method is based on the combination of chip electrophoresis technology and a laser induced fluorescence detection system, and can separate two sub-categories of the blood serum HDL in 4 minutes, and make up the defect that the sub-categories of the HDL cannot be analyzed by a conventional blood biochemical analysis method. Due to the high-resolution and quick separation analysis capability shown by the chip electrophoresis to lipoprotein, the method hopefully becomes one of analysis methods for separating and detecting the sub-categories of the HDL quickly, conveniently and efficiently.

The invention relates to a method for measuring high content lead in iron-containing dust and mud and belongs to the technical field of analytical chemistry. The method comprises the following steps of: heating and decomposing a sample in a polytetrafluoroethylene beaker at a low temperature by using hydrochloric acid, nitric acid and hydrofluoric acid until perchloric acid is fuming; slightly cooling, adding dilute nitric acid dissolving salt, supplementing hydrochloric acid when insoluble substances are present, fixing the volume to a specified volume, and measuring the lead content by employing an inductive coupling plasma atomic emission spectrometer under the optimized instrument conditions. The method has the advantages of short measurement time, easy and convenient operation and high precision and accuracy and is particularly suitable for routine analysis of lots of samples.

The invention discloses an analysis method for determining the hydroxamamide tropine raw drug content through a non-aqueous titration method and relates to the hydroxamamide tropine raw drug quality control technology field. The method for determining the content of hydroxamamide tropine is provided, the process of which is as follows: glacial acetic acid-acetic oxide is used as a solvent for the quantitative dissolution of the hydroxamamide tropine. Then, perrchloric acid titrating solution is sued as titrant, and a potentiometric titration method is adopted for the titration. The method has the advantages of small sample amount, simple operation, good precision, and the like, and can be applied to the routine analysis and the quality control of hydroxamamide tropine raw drugs.

The invention discloses a method for measuring sitagliptin-related matters by means of separation. The method adopts a high performance liquid chromatograph, takes a PhenomenexLunaC18 (2) 100A column as a chromatographic column and uses acetonitrile and a phosphate buffer solution with a pH (Potential of Hydrogen) value of 6.2 as flowing phases to perform gradient elution under the condition that a wavelength is 210nm. The method is rapid in analysis speed, good in separation effect and low in cost, and can be used for measuring and checking matters related to sitagliptin crude drug. The method is high in detection rate of related matters, high in accuracy and good in repeatability and recovery rate; furthermore, the method is verified to be used for routine analysis and quality control of the sitagliptin crude drug and preparation.

The invention relates to a full automatic normal analyzer control circuit which belongs to the field of medical detection. A circuit part of the invention mainly consists of an MCU, a motor drive circuit, a peristaltic pump, a photosensitive resister, an amplification circuit, a solenoid valve, a work indicator light, a key, an amplification circuit, a photosensitive cell, a PC and a MAX232. The programmer design cycle of the invention is that: start a machine, initialization of the system, wait online, and self-inspection of the instrument after successful online. The solenoid valve has self-inspection orderly and can inspect by closing the machine if any difference is found. After self-inspection, the instrument starts cleaning procedure to clean a pipeline system. After cleaning, the instrument is on a standby state, waiting for an order, to enter into the procedures of cleaning, mixing evenly, sample introduction, setting of parameters, automatic operation and manual operation. Being used for the normal analyzer, the invention can greatly reduce the error by a human factor, improve the repeatability of detection obviously and ensure the quality control of the medical normal detection.

The invention discloses a blood test and analysis device. The blood test and analysis device comprises a shell, a conveyor, a test and analysis device, a cleaning device, a printer, a control device and a power supply, wherein the shell comprises a device chamber, an test and analysis chamber and a collection chamber; the test and analysis device comprises a test tube tray, a slide disc, a sampling needle, a sample bottle, a microscope, a camera assembly and a reagent bottle; the control device comprises a controller, a processor and an operating keyboard; the controller is connected with theconveyor, the camera assembly, a blood routine analyzer and the printer; the processor is connected with the controller; the power supply provides power for the conveyor, the camera assembly and the printer. The blood test and analysis device has the advantages of being capable of not only testing multiple blood samples at one time but also conducting automatic cleaning after the use of the device, improving work efficiency of medical staff, and being suitable for mass promotion.

The invention discloses a method for rapidly determining the respective content of water, carbohydrate components and ginsenoside of red ginseng by using a near infrared diffuse reflection spectrum. The method comprises the following steps: carrying out a routine analysis process to obtain the references of all quality control index components in red ginseng samples and obtain near infrared spectrum data of all red ginseng powder samples, carrying out mathematical modeling to make all the routine analysis references of the index components and the near infrared spectrum data compose a database, and carrying out modeling optimization by using a full factor test analysis process to respectively obtain quantitative correction models of all the indexes; and collecting the near infrared spectrum of an unknown red ginseng powder sample, and determining the content of every index component by using the quantitative correction models. The method has the characteristics of rapid and simple analysis, no pollution in the analysis process, and simultaneous determination of various index components, and allows whether sugar is added or not to be rapidly discriminated especially through determining the carbohydrate components in order to maximally guarantee the quality of the red ginseng.

A method for measuring the contents of components in oil residue features that an optical spectrum array is created with the second-order differentiation of near infrared absorption spectra of the representative oil residue specimens, they are clustered by fuzzy k-average value of the characteristic variables that is the analyzed score of main component. The second-order differentiation of near infrared absorption spectra of the correcting set composed of each oil residue after clustered and the basic data measured by elution chromatography take part in regression analysis to create correct model, the main component of the second-order differentiation of near infrared absorption spectrum of unknown oil residue is analyzed for determining its type, and the contents of the main components can be calculated by the correct model. Its advantages include high correctness and speed, and environmental friend.

The invention provides an intensification system for mobile operator service supervision and management, which comprises a data generating module, a data converting module, a data processing module and a data applying module, wherein the data generating module comprises a business and internal system data generating module and a surveying and monitoring data generating module, and is used for generating various service supervision data; the data converting module acquires various data from the data generating module, converts the data into a uniform format, and stores the data in a database of the data processing module; the data processing module comprises a database, a central treatment server and a data mining and analyzing platform based on the central treatment server, wherein the central treatment server is used for transferring data from the database according to the request of the inquiry terminal and the routine analysis terminal of the data mining and analyzing platform and the data applying module; and the data applying module comprises the inquiry terminal and the prior analysis terminal connected with the server. When a mobile network operator serves a customer, the system can acquire relevant data about various service posts, perform uniform analysis and treatment, improve decision-making accuracy and greatly improve management efficiency.

The invention provides a detector head technical proposal used for a blood routine analysis meter for blood analysis. In the proposal, a blood expanding machine is arranged on a base; a light source support is arranged on the base on one side of the blood expanding machine and a collector support is arranged on the base on the other side of the blood expanding machine; three monochromatic sources which obliquely face to an upper plane on the blood expanding machine are fixed on the light source support, and an image collector is fixed on the collector support; the front end of the image acquisition unit is provided with an image acquiring lens; a cut-off filter is arranged on the rear of the image acquiring lens; a photoelectric coupler is arranged on the rear of the cut-off filter; a digital processor is connected to the rear of the photoelectric coupler; a USB interface is connected to the rear of the digital processor; the image acquiring lens is required to face to reflected light of the three monochromatic sources on the blood expanding machine; white light sources are arranged on the rear of the three monochromatic sources and the front end of the white light sources is provided with a rear optical collector; a diaphragm is arranged in front of the rear optical collector; a colordisc is arranged in front of the diaphragm; and a front optical collector is arranged in front of the colordisc.

The invention discloses a marketing data analysis and evaluation system beneficial to enterprise development, and relates to the technical field of marketing. The system comprises a marketing data collection module, a data preprocessing module, a controller and a big data module, the output end of the marketing data collection module is in communication connection with the input end of the data preprocessing module, and the output end of the data preprocessing module is electrically connected with the input end of the controller; the output end of the controller is electrically connected with the input end of a marketing data routine analysis module and the input end of a market risk evaluation module. According to the invention, by setting the big data module, the accuracy of evaluation is improved and the risk coefficient of data evaluation is reduced based on big data. By setting the marketing data routine analysis module, the market risk evaluation module, the first market risk evaluation module, the second market risk evaluation module and the Nth market risk evaluation module, the system can carry out conventional daily analysis work and risk evaluation work, and the comprehensiveness is better.

The invention provides a method for analyzing and determining methyl trifluoropyruvate. Problems that quantitative analysis is hard to carry out through a chromatographic detection method and infrared analysis, and a nuclear magnetic resonance instrument is expensive and is not suitable for routine analysis for an enterprise in the prior art is solved. In the method, methyl trifluoropyruvate is determined through gas chromatography, and the content of methyl trifluoropyruvate is subjected to direct quantitative determination through area normalization. The method comprises: taking a methyl trifluoropyruvate sample; using a chromatographic instrument for chromatographic analysis; and using a formula to calculate the content of methyl trifluoropyruvate. The method has the beneficial effects that a gas chromatographic analytical method for direct quantitative determination is established to obtain a stable analysis result, and research and production of methyl trifluoropyruvate can be directed through the method. The method is simple and reliable, and is low in determination price. The method is suitable for routine analysis for an enterprise and has high practical value.

The invention relates to a CRH train engineer operation information vehicle-mounted acquisition method and a CRH train engineer operation information vehicle-mounted acquisition device, and provides acquisition, processing and interaction of an expanded information source relating to engineer operation information, moreover, the train number information is provided to a CRH train electronic tag vehicle-mounted programming unit, and the function of safely dumping data in EOAS (Engineer Operation Analysis System) vehicle-mounted equipment is realized. The invention adopts the scheme as follows: a vehicle-mounted host comprises a vehicle-mounted data processing module, a vehicle-mounted DMS (Database Management System) communication module, a vehicle-mounted dumping device communication module, a vehicle-mounted CIR receiving module, a vehicle-mounted WTD communication module, a vehicle-mounted DTAG sending module, a CPM safe storage module, a BATT module and a power module; the EOAS host acquires a DC110V power supply by being connected with a CRH train power interface, various information acquisition modules acquires a working power supply from the power module in the host, data interaction is conducted through a high-speed communication bus and a CPU master control unit, then the information of the vehicle-mounted data is acquired and processed, and a local storage unit stores the important operating data record; the routine analysis data are transmitted to the data pumping device in an engineer cab through a DUMP plugboard, the data are stored in a dumping card through the data pumping device, so that the off-duty data are analyzed by a driver and a conductor of a public vehicle.

A method for measuring the contents of components in oil residue features that an optical spectrum array is created with the ultraviolet-visual absorption spectra obtained by concentration normalization of representative oil residue specimens, they are clustered by fuzzy k-average value of the charncteristic variables that is the analyzed score of main component, the ultraviolet-visual absorption spectra of the correcting set composed of each oil residue types after clustered and the basic data measured by elution chromatography take part of regression analysis to create correct model, the main components of unknown oil residue is analyzed for its ultraviolet-visual absorption spectrum to determine its type, and the contents of its main components can be calculated by the correct model. Its avantages are high correctness and high speed.

The invention relates to the technical field of medical devices, in particular to a blood routine detector for automatically loading and unloading a specimen tube. The blood routine detector comprises a base and an analyzer body and a loading and unloading device which are arranged on the base. The loading and unloading device comprises a rotating column which is rotatably arranged on the base, multiple tube sleeves which are slidably arranged on the outer edge of the rotating column along a vertical direction, a loading spoon which is used for lifting the tube sleeve rotating to the sampling tube position to insert the sampling tube into the corresponding specimen tube and an unloading spoon which is used for opening the corresponding tube sleeve of the sampled specimen tube from the bottom to detach the sampled specimen tube. The routine blood analysis and detection of existing large quantities of samples can be greatly optimized, and the blood routine detector has the advantages of simple construction, easy realization and low manufacturing and use cost.

The invention provides standard streptomycin samples of chicken, a preparation method and an application and belongs to the technical field of analytical chemistry. Chickens are fed with feed containing streptomycin, so that in-vivo tissue of live chickens contains the streptomycin, the chickens are killed after drug application, feathers and skin are removed, the chicken is taken and homogenized, minced meat is prepared and subjected to vacuum freeze drying, sieving, bottling and packaging, and standard samples of lyophilized chicken powder containing the streptomycin are obtained. The method solves the problem that treatment results such as extraction, purification and the like are more different from routine analysis samples due to the fact that the a target and matrix combining condition is incompletely consistent with a real detection sample, and the standard samples are material standard samples, are homogenous, stable, free of preservatives and antioxidants and easy to store and are used for proficiency testing of a streptomycin drug residue testing project, verification of a detection method, calibration of testing equipment as well as quality control and assessment of testing results.

The invention belongs to the field of analytical chemistry and in particular relates to a quinolones and sulfonamides residue containing eel matrix standard sample and a preparation method thereof. Enrofloxacin, ciprofloxacin, norfloxacin, ofloxacin, oxolinic acid, flumequine, sulfadimidine and sulfamonomethoxine are administrated into an eel culture pond in a splashing manner; stopping drugs after administrating on the second day, cleaning the pond, changing into clean water for cultivation; taking the eels out after administrating on the fifth day, slaughtering, removing heads, bloodletting, removing internal organs and fish skins and cryo-preserving in an ice tank at below 18 DEG C; and then carrying out irradiation treatment for prolonging the storage life of the sample. The matrix standard sample has good uniformity and good stability, can be stored easily, and can be used conveniently, the sampling amount and the extraction and purification methods are the same as those of the routine analysis sample, the detection data is reliable and accurate even if at different environment temperature at different times by different detectors, and the matrix standard sample can be used as a quality control measure in the detection work and has application and promotion values.

The invention discloses a method for analyzing and determining the content of hexafluoroacetone. Hexafluoroacetone is subjected to gas chromatographic analysis, the content of hexafluoroacetone is directly and quantitatively determined by an area normalization method, and chromatographic conditions during detection are as follows: a chromatographic column is a non-polar column; the temperature ofa chromatographic column is 40-200 DEG C; the temperature of a sample inlet is 60-140 DEG C; the temperature of a detector is 250 to 300 DEG C; the carrier gas is high-purity nitrogen; the flow rate of carrier gas is 0.8 mL / min to 1.5 mL / min; the split ratio is (30-100): 1; the operation time is 20 min, and the pre-column pressure is 13 Psi; and the sample size is 0.1 to 1.0 mL. And the detector is a hydrogen flame detector. The chromatographic analysis method for directly and quantitatively determining the purity of hexafluoroacetone in production has the advantages of reliable result, simpleoperation and low test price, is suitable for routine analysis of enterprises, has high practical value, and can be used for guiding the research and production process detection of hexafluoroacetone.