233 results about "Autoanalysis" patented technology

A method to offer insight on reservoir compartmentalization through the automation of single- and multi-well formation pressure analysis. The method specifically accounts for the measurement uncertainty and any prior information about the reservoir to draw evidence on at least one of a fluid type, a locating feature of the at least one fluid body, vertical compartmentalization, and lateral compartmentalization.

The invention relates to the technical field of electrochemical sensors, in particular to an electrochemical gas sensor state automatic analysis method and device and a storage medium. The method comprises the following steps: acquiring degradation data corresponding to the electrochemical gas sensor through an in-situ analysis model; preprocessing the degradation data; inputting the preprocessed degradation data into a target feature prediction model for performance simulation to obtain performance prediction data; inputting the performance prediction data into a target accelerated degradation database for degradation matching to obtain evaluation data; and classifying and correcting the state of the electrochemical gas sensor according to the evaluation data. The factors influencing the performance of the electrochemical gas sensor can be quickly obtained and corrected in a complex environment.

The invention discloses a petroleum product chemical composition automatic analysis system and method based on deep learning, and relates to the field of petroleum product analys.The method comprises the steps that chromatography-mass spectrometry full-scanning data of a petroleum sample is obtained, a peak top point is detected, and parameters such as retention time, peak height and peak width are extracted; calculating the ratio of the retention time interval of the adjacent peaks to the sum of the widths of the two peaks as a relative interval ratio; the peak overlapping degree is judged according to the ratio, and the peak overlapping degree is divided into a high overlapping type, a medium overlapping type or a separable type; separating overlapped peaks by adjusting peak width parameters, and re-verifying the spacing ratio after separation; if not, optimizing a separation result by iteratively updating parameters or calculating a correction coefficient; the method can automatically identify and process the peak overlapping problem, can perform secondary optimization on the peaks which are not successfully separated, and is suitable for chemical composition analysis of complex petroleum samples.

The invention relates to a matrix type Internet of Things hazardous chemical substance management system, which comprises a plurality of storage cabinets and a console, and is characterized in that the console comprises a man-machine interaction module, an incompatibility module and a position management module; the man-machine interaction module is used for sending a warehousing instruction to the incompatibility module; the incompatibility module is used for predicting a target reagent category of the first chemical reagent when the first chemical reagent is not queried in the incompatibility table, and sending the target reagent category to the position management module; and the position management module is used for determining a first storage cabinet for storing the first chemical reagent in the plurality of storage cabinets and sending an unlocking instruction to the first storage cabinet. Therefore, the types of the chemical reagents can be automatically analyzed, the proper storage positions of the chemical reagents can be deduced according to the predicted types of the chemical reagents, and incompatibility can be effectively avoided.

The invention provides a full-automatic online detection method for trace polycyclic aromatic hydrocarbon derivatives (SPAHs) in water, which comprises the following steps: (1) pretreatment: standing a water sample, centrifugally filtering to remove suspended matters, adding a prepared mixed standard solution, and directly loading on a machine; (2) enrichment and separation: adopting a Turbo flow C18-XL on-line solid phase extraction column to realize automatic enrichment and matrix purification of the 15 SPAHs, and combining an ultra-high performance liquid chromatography gradient elution program (methanol-ultrapure water system) to realize efficient enrichment and separation; and (3) detection and analysis: performing Full MS-ddMS2 scanning in an APCI (Amplified Peripheral Component Interconnect) source-Orbitrap high-resolution mass spectrum positive and negative ion switching mode to realize synchronous detection of hydroxyl, nitro and oxygen-containing SPAHs. According to the method, a unified detection system covering six hydroxyl polycyclic aromatic hydrocarbons, six oxygen-containing polycyclic aromatic hydrocarbons and three nitro polycyclic aromatic hydrocarbons is constructed for the first time, the detection limit is as low as 0.02 ng / L, and compared with a traditional GC-MS method, the sensitivity is greatly improved, and the sample pretreatment time is greatly shortened. Compared with the prior art, derivatization treatment is not needed, continuous sample injection is achieved through an online solid-phase extraction column regeneration technology, complex matrix interference is effectively eliminated in cooperation with a dynamic elimination function, and a high-sensitivity and high-throughput analysis method is provided for ecological risk assessment of trace SPAHs in underground water and surface water.

1. The name of the design product: electroplating tank liquid on-line XRF analyzer. 2. The use of the design product: the design product is used for on-line automatic analysis of metal ions in electroplating liquid. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Provided is an automated analyzer comprising a reagent cooler such that it is possible to cool the entire interior of the reagent cooler with one refrigeration device while also preventing condensation in the reagent cooler.　This automated analyzer comprises: a reagent cooler that cools a plurality of reagent containers; a heat pipe that is provided inside the reagent cooler and cools the interior of the reagent cooler; a cooling device that cools the heat pipe; a dehumidification pipe that conveys air from the exterior of the reagent cooler and discharges the same from an end thereof into the reagent cooler interior, at least one section of said dehumidification pipe being in contact with or in the vicinity of the heat pipe; and a first drain that drains, to the exterior of the reagent cooler, condensation water which drains from the end of the dehumidification pipe.

This invention provides an automated analytical apparatus for reagent dispensing where the lid of the reagent container does not obstruct reagent dispensing. An automated analytical apparatus for analyzing samples is characterized by comprising: a reagent dispensing unit that dispenses reagents from reagent bottles containing a plurality of reagent containers arranged in one direction, the plurality of reagent containers holding reagents used in the analysis of the sample; a reagent rack that holds the reagent bottles, the reagent rack having a lid opening portion that opens a lid corresponding to an upward opening of the reagent container along the arrangement direction of the reagent containers; and a lid fixing portion that fixes the lid outside the path through which it is inserted into the reagent dispensing unit.

The objective of the present invention is to provide an automated analysis device which prompts a user to use a partially used reagent container, to improve the reagent utilization efficiency. To this end, an automatic analysis device according to the present invention comprises a reagent holding unit which holds a plurality of reagent containers that accommodate a reagent, a reading unit which reads reagent information including the type of reagent from an identifier attached to the reagent container, a storage unit which stores the reagent information of partially used reagent containers, and a control unit which, when the reagent information is read from the identifier attached to an unopened reagent container, refers to the storage unit to determine the presence or absence of a partially used reagent container accommodating the same type of reagent as the reagent accommodated in the unopened reagent container, wherein, when there is a partially used reagent container accommodating the same type of reagent, the control unit performs control for guiding the partially used reagent container to be used more preferentially than the unopened reagent container.

The purpose of the present invention is to suppress the replacement frequency of a cleaning solution in an automatic analysis device using a plurality of cleaning solutions, and a method for controlling the same. An automatic analysis device according to the present invention comprises: a dispensing probe that sucks and discharges at least one of a reagent and a sample; the liquid conveying mechanism is used for conveying first cleaning liquid and second cleaning liquid which are used for cleaning the dispensing probe respectively; different types of cleaning liquid areas in which the first cleaning liquid and the second cleaning liquid can exist; and a storage unit (referring to Figure 5) that stores the type of cleaning fluid present in the different type of cleaning fluid region.

The invention provides an automatic analysis device and the like which do not remain air bubbles in the device. The automatic analysis device (1) is provided with a dispensing mechanism (100). This dispensing mechanism (100) is provided with: nozzles (sample dispensing nozzle (10), reagent dispensing nozzle (11), dispensing nozzle (102), dispensing nozzle (115)) that suck / discharge a liquid; a pressure generation mechanism (water supply pump (111)) that is connected to the nozzles and generates pressure for sucking / discharging the liquid; and a flow path (104) that measures the flow path including the nozzles and the pressure generation mechanism. A hydrophilic film (305) is formed on an inner surface (203a) of the pressure sensor unit (112), the hydrophilic film (305) containing a silicon compound and at least one of silica particles and alumina particles, and the hydrophilic film (305) is formed on the inner surface (203a) of the pressure sensor unit (112). The relationship between the arithmetic average roughness Ra0 of the base material (301) of the inner surface (203a) and the arithmetic average roughness Ra1 of the inner surface (203a) after the hydrophilic film (305) is formed is 0.8 * Ra0 < = Ra1.

An automatic analysis device 100 includes an electrolyte measurement unit 114 that executes internal standard solution measurement once or more at least before potential measurement of the specimen, and when the potential measurement of the specimen is continuously executed by the electrolyte measurement unit 114, a measurement operation of the internal standard solution before the potential measurement is changed depending on whether there is a possibility that the specimen measured immediately before is a high concentration specimen. This provides an automatic analysis device and an automatic analysis method of a specimen that are capable of improving the processing capacity of the entire device by reducing the carry-over and ensuring measurement accuracy in performing electrolyte measurement.

The reliability of a measurement result is reduced due to the deterioration of an ISE reagent remaining in a flow path during the standby time of an electrolyte analysis unit. Therefore, when the automatic analysis device (1) accepts a measurement instruction for a patient specimen requiring measurement using the electrolyte analysis unit (8), if the standby time of the electrolyte analysis unit is equal to or greater than a predetermined time, the automatic analysis device (1) determines the deterioration of the residual reagent remaining in the flow path of the electrolyte analysis unit before the measurement of the patient specimen.

The present disclosure ensures reliability of analysis results by accurately pipetting a specimen and a sample in a predetermined pipetting amount. An automatic analysis device includes: a reagent holder configured to hold a reagent container that contains a reagent; a specimen holder configured to hold a specimen container that contains a specimen; a pipetting mechanism configured to pipette the reagent and the specimen into a reaction container; and a mass sensor configured to measure a mass of the reaction container. The mass sensor includes: a fixing portion; a diaphragm at least a part of which is fixed by the fixing portion; a piezoelectric element joined to the diaphragm; and a container placement portion that is supported on the diaphragm and is configured to hold the reaction container into which a liquid to be measured is discharged.

The utility model provides a low-temperature liquid vaporization sampling analysis system which comprises a vaporization input unit, an automatic analysis unit, a manual sampling unit, an automatic sampling unit, an analyzer and a sampling bottle, wherein the automatic analysis unit, the manual sampling unit and the automatic sampling unit are connected in parallel with the output end of the vaporization input unit; the input end of the vaporization input unit is connected with a low-temperature liquid medium, vaporizes low-temperature liquid and controls pressure to be output to the automatic analysis unit, the manual sampling unit and the automatic sampling unit; the automatic analysis unit monitors the pressure and temperature of the input medium and transmits the medium subjected to thermal compensation and pressure correction to the analyzer for analysis; the manual sampling unit manually controls pressure and deposits an input medium in a sampling bottle; the automatic sampling unit is used for automatically sampling a medium according to preset sampling parameters, so that high-purity and pressure-adjustable automatic sampling is realized. The device solves the problems of low efficiency, poor precision and insufficient safety of the existing low-temperature liquid analysis and sampling means.

In order to provide a discharge stirring method that achieves a sufficient stirring effect even with respect to an analysis item using a reagent that is likely to agglutinate, and an automatic analysis device using the method, the following configuration is adopted. A liquid stirring method of an automatic analysis device having a dispensing probe that sucks and / or discharges a liquid, and an automatic analysis device capable of performing the method, the liquid stirring method including: a first suction step of sucking a first stirred liquid through the dispensing probe; a second suction step of sucking a second stirred liquid in a state where the first stirred liquid is accommodated in the dispensing probe; and a first stirring step for discharging the first liquid to be stirred and the second liquid to be stirred into the container, a second suction step for sucking air while sucking the second liquid to be stirred, and a first stirring step for discharging the first liquid to be stirred and the second liquid to be stirred into the container above the liquid surface of the liquid contained in the container.

Provided is an automatic analysis device with which reagent registration time can be reduced while complication of device structure and increased cost are avoided. An automatic analyzer 1 comprises a detection unit 521 that detects the amount of a reagent stored in a container, a stirring unit 531 that stirs the reagent stored in the container, a control unit 3 that controls the detection unit 521 and the stirring unit 531, and a storage unit 4 that stores information of the reagent. In a step for storing the information of a newly used reagent in the storage unit 4, the control unit 3 performs control so that, after the detection unit 521 detects the amount of a second reagent stored in a second reagent container 222, the operation whereby the detection unit 521 detects the amount of a first reagent stored in a first reagent container 221, and the operation whereby the stirring unit 531 stirs the second reagent are executed in parallel.

The purpose of the present invention is to provide an automatic analysis device capable of detecting abnormalities at the time of aspiration with high accuracy even when the amount of analyte to be used for analysis is small. To this end, this automatic analysis device is provided with: a dispensing unit that sucks a specimen from a specimen container that accommodates the specimen; and a control unit that controls the dispensing unit such that, after suctioning a third predetermined amount of the sample that is larger than a first predetermined amount, which is the amount of the sample used for analysis, the dispensing unit discharges a second predetermined amount of the sample to a predetermined site different from the sample container, and thereafter dispenses the sample to the sample container. Discharging the first predetermined amount of the sample to a reaction vessel used for analysis; a detection unit that detects a pressure waveform in the dispensing unit; and a determination unit that determines, on the basis of a first waveform, which is the pressure waveform when the dispensing unit sucks the specimen, an empty suction, which is a state in which the dispensing unit sucks the specimen insufficiently, and / or a clogging, which is a state in which the specimen clogs the dispensing unit.

The purpose of the present invention is to provide: an automated analyzer which makes it possible to reduce the amount of a cleaning agent used for cleaning a reaction vessel or a dispensing probe; and a method for cleaning the automated analyzer. To this end, an automated analyzer according to the present invention comprises: a dispensing probe which suctions a liquid that contains a sample and discharges the liquid into a reaction vessel; a control unit which estimates the viscosity of the liquid; and a sensor which is used for estimation of the viscosity. The control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity. A cleaning method according to the present invention includes: a step in which the control unit estimates the viscosity of the liquid on the basis of a value detected by the sensor during suction of the liquid; and a step in which the control unit changes the concentration of a cleaning agent that is used for cleaning of the reaction vessel or the dispensing probe on the basis of the estimated viscosity.

The invention provides an automatic analysis device and an automatic analysis method, which can efficiently clean a reaction container in a short time. An automatic analyzer according to the present invention increases the temperature of a cleaning solution used for cleaning a reaction container containing a sample, and cleans the reaction container by discharging the heated cleaning solution into the reaction container. And a cleaning unit for further cleaning the reaction vessel by re-discharging the cleaning liquid heated by the temperature control unit to the reaction vessel in which the cleaning liquid discharged by the probe is accommodated.

The purpose of the present invention is to provide an automatic analysis device that can automatically replenish a reagent while suppressing an increase in cost and an increase in unit size. Therefore, the present invention is an automatic analysis device comprising: an insertion section into which is inserted a first container accommodating a liquid; an analysis unit that analyzes a sample; and a conveyance line that conveys the first container from the insertion section to the analysis unit. The analysis unit comprises: a measuring unit that measures a target component included in the sample; a reagent installation section in which a second container accommodating the reagent is arranged; and an aliquoting mechanism that suctions the reagent from the first container and discharges the reagent into the second container.

Provided is an automatic analysis device capable of achieving reagent suction not affected by atmospheric pressure and stabilizing a reagent supply amount and a residual reagent amount. Provided are a suction nozzle (suction part) 3, a discharge nozzle (discharge part) 4, a syringe 10, and a control part 102 for controlling and driving the syringe 10 to suck liquid from a first container 1 through the suction nozzle 3 and to discharge the liquid sucked through the suction nozzle 3 into a second container 2 through the discharge nozzle 4. The control part 102 controls suction time per session of the suction nozzle 3 from the first container 1 on the basis of the outside atmospheric pressure or the altitude of an immunoassay device (automatic analysis device) 101.

In an automatic analysis device (1), a detergent container (150), a standard liquid container (151), a buffer liquid container (130), a cleaning liquid container (131), and a replacement liquid container (132) are divided into blocks for each analysis item group, and are disposed on the surface of a floor (22) constituting the bottom surface of a housing (20). The reagents used in the biochemical analysis item group and the reagents used in the immunoassay item group different from the biochemical analysis item group are arranged, or are arranged at mutually horizontal positions. As a result, provided is an automatic analysis device having high maintainability and reliability while maintaining the operational feeling of conventional products.

The present disclosure proposes an automatic analysis system (referring to Figure 4) for predicting and presenting the total time taken for processing until the completion of measurement before the execution of preprocessing by an automatic analysis device. On the basis of analysis time-related information relating to the time required from the past transfer of a sample to the at least one analysis unit until the end of the analysis, a sample of at least one sample container held by the at least one holder before being carried into the at least one analysis unit is used as a predicted time calculation target. A process for calculating a predicted time until the end of the analysis; and a process for displaying, on a display screen, the calculated predicted time together with information of the specimen for which the predicted time is to be calculated.