202 results about "Collection sample" patented technology

The invention discloses a remote sensing image sample intelligent acquisition method based on image classification, and relates to the technical field of image acquisition, and the method comprises the following steps: carrying out the feature extraction of a remote sensing image, and obtaining an initial feature; performing classification uncertainty evaluation according to the initial features to obtain uncertainty indexes; performing sample representativeness calculation according to the uncertainty index to obtain a representative index; performing sample diversity analysis according to the representative indexes to obtain diversity indexes; performing comprehensive sample scoring according to the diversity indexes to obtain sample scoring data; and performing sample selection according to the sample scoring data to obtain a final collection sample. According to the method, uncertainty weighted items are introduced, representativeness is calculated in combination with similarity, global distribution and local feature differences are considered, reliability of representativeness calculation is improved, balance of samples on ground feature type distribution is improved, and stability and scientificity of sample screening are improved.

Apparatuses and methods for microscopic analysis of a sample by simultaneously characterizing infrared absorption characteristics of a plurality of spatially resolved locations are described herein. These apparatuses and methods improve sampling times while collecting microscopic data regarding composition of a sample across a wide field.

The invention discloses a floating type riverway water quality detector for municipal environment monitoring, and belongs to the technical field of water quality detectors, the floating type riverway water quality detector comprises a floating body floating in a riverway, the lower end of the floating body is fixedly provided with a fixing cylinder for sampling, the inner side of the floating body is fixedly provided with a partition plate, and the partition plate is provided with a detection module; a drainage pipe is rotationally connected to the center of the rotating seat, a sample tank for collecting samples and a water outlet pipe for discharging washing water are mounted on the partition plate, a water inlet groove is formed in the lower end of the fixing cylinder, a purification assembly is mounted on the inner side of the water inlet groove, and meanwhile an elastic rubber sheet is mounted at the upper end of the water inlet groove. The floating type river water quality detector for municipal environment monitoring can conveniently collect and store a water sample in the detection process, and can flush a pipeline by using a purified water body after single detection, so that the subsequent detection precision is ensured.

The utility model provides a suction filtration device and a suction filtration method for separating liquid and solid samples in a laboratory, which are convenient for directly and accurately collecting liquid samples. The device comprises a funnel, a suction filtration cover, a sample bottle, a liftable platform, a fixing clamp, a sealing soft ring and a base, the funnel is located at the top of the suction filtration device, the funnel and the suction filtration cover are of a separable assembly structure, an exhaust opening is formed in the outer side of the top of the suction filtration cover, the sample bottle is arranged and located on the liftable platform, and the fixing clamp is arranged above the liftable platform and used for fixing the sample bottle. A sealing soft ring is additionally arranged at the bottom of the suction filtration cover. According to a traditional suction filtration device, liquid samples need to be transferred from a suction filtration bottle to a sample bottle, the suction filtration bottle needs to be frequently cleaned and dried during continuous operation, however, according to the suction filtration device, the liquid samples can be directly collected into the sample bottle, the next separation operation can be carried out by replacing a clean funnel and the sample bottle, the suction filtration separation and sample collection efficiency is improved, and the labor intensity is reduced. Meanwhile, pollution and loss caused in the sample transferring process are avoided.

An imaging probe includes a housing, an illumination fiber, a camera, a band-stop filter, and a sample collector. The housing has a distal tip. The illumination fiber spans between the distal tip and a proximal end of the housing, and terminates at the distal tip, such that light carried by the illumination fiber illuminates a target in front of the distal tip. The camera captures an image in a field of view that overlaps a field of illumination of the illumination fiber. The band-stop filter is between the distal tip and the camera. The sample collector collects a sample from the target. And each of the illumination fiber, the camera, the band-stop filter, and the sample collector is at least partially inside the housing.

Automated microbial fluid sampling and analysis systems and methods are disclosed herein. Such a system may include a processor that may execute stored computer instructions to control an air sampling and analysis system; a consumable cartridge comprising a cartridge body and a sample capture substrate (SCS); an air handler for moving air through the SCS; the thermal circulator is used for enabling the air sampling reaction chamber to reach one or more required temperatures so as to directly perform nucleic acid amplification on the SCS; and an optical device capable of measuring a fluorescence signal from the air sampling reaction chamber. The system can automatically collect samples, and can automatically perform nucleic acid amplification and analysis.

The invention discloses a method for obtaining a sorted and purified autoimmune vaccine, which comprises the following steps: S1, extracting 30ml of autologous blood sample of a patient, and sorting to obtain CD34 + cells; s2, carrying out flow analysis on the CD34 + cells to ensure that CD34 + is greater than or equal to 90%, counting by using a counting instrument, and adjusting the concentration of the CD34 + cells to be 1 * 106 / mL; s3, the extracted cells are placed in a 42 DEG C constant-temperature water bath kettle for heat shock treatment, and the heat shock treatment lasts for two hours; s4, collecting the cells obtained in the step S3, transferring the cells into liquid nitrogen at-196 DEG C and a water bath kettle at 37 DEG C, and repeatedly freezing and thawing for multiple times; s5, collecting after detecting that no living cells exist by using a cell counter, and centrifuging for 10 minutes at the rotating speed of 6000 r / min under the centrifugal condition of 4 DEG C; s6, after the centrifugation is finished, discarding the supernatant and leaving the precipitate, and resuspending by using normal saline; and S7, irradiating 200 GY through gamma rays for 60 minutes, collecting the sample, sending the sample, and inspecting the sample for later use after the sample is qualified.

A surface bio-contamination assay kit (1) comprising a disposable swab cartridge (2) comprising a swab (29); a sampler (3) designed to removably receive the cartridge (2) and to wipe the cartridge swab (29) on a surface to be collect a sampled, along a predetermined sampling path (4) designed to cover a predetermined surface area; and a bio-contamination meter (5) designed to removably receive the cartridge (2) after sampling and to measure bio-contamination of the collected sample on the cartridge (2).

The invention provides a controller fault prediction method based on data collection, and relates to the technical field of fault prediction, and the method comprises the steps: collecting a target collection sample of a target power device in a target controller, inputting the target collection sample to a multi-mode fault detection channel, and obtaining an initial fault sample; self-adaptive adjustment is carried out on the multi-mode fault detection channel according to the fault frequency, and a dynamic fault detection channel is obtained; performing fault correlation analysis on the initial fault sample to obtain a fault correlation structure; and inputting the target fault data to the fault association structure based on the dynamic fault detection channel to carry out association fault prediction, obtaining predicted fault data, and carrying out fault maintenance on the predicted fault data. According to the invention, the technical problem that the accuracy and comprehensiveness of fault detection are affected due to dependence on a single threshold fault detection method in the prior art can be solved, an intelligent fault diagnosis technology based on multi-task learning and dynamic fault detection is realized, and the technical effect of improving the accuracy and comprehensiveness of fault detection is achieved.

The invention belongs to the field of structure deformation prediction, and particularly discloses a GAN-based building curved surface curtain wall component deformation prediction method and system, and the method comprises the steps: building a data carrying out the sample collection of deformation related data after the processing of a building curved surface curtain wall component, and forming the database, the collection samples comprising an actual measurement sample and a simulation sample; building a sample generation model: generating new deformed samples after processing of various components based on GAN, and incorporating the generated samples into a database; building a deformation prediction model: building the deformation prediction model after processing of the component based on the CGAN, wherein samples comprise collection samples and generation samples; and deformation prediction: predicting the deformation condition of the processed component by using the model, and judging whether the predicted deformation condition meets the acceptance condition or not. According to the method, by generating the sample enhancement data, the prediction efficiency of deformation of the curtain wall component after processing is effectively improved, so that the rework cost caused by improper deformation control during bending processing of the curtain wall component is reduced.

Aspects of a water sample extraction system are disclosed. In some aspects, the water sample extraction system may be configured on a floatable platform. In aspects, a programmable control module may lower a submersible unit into a body of water to retrieve water specimens from predetermined depths. In some aspects, a submersible unit may include a submersible pump in fluid communication with a sample collection system. In some aspects, a submersible unit may be lowered into a body of water during sample collection and raised and stowed out of the water when not in active sample collection. An automated collection system may collect water specimens and place the specimens into separate specimen containers.

The invention discloses a gas phase carbon center free radical in-situ capture method based on a micro-fluidic chip technology, and belongs to the technical field of micro-fluidic chip analysis and testing. The winding array micro-channel structure is formed by etching on the quartz substrate and comprises a sample introduction channel, a gas phase carbon center free radical in-situ capture channel (winding array micro-channel) and a collection channel, and the sample introduction channel and the collection channel are both connected with the quartz capillary tube. The sample introduction channel is used for inputting gas; the gas-phase carbon center free radical in-situ capturing channel is used for coating a capturing agent and capturing gas-phase carbon center free radicals; and the collection channel is used for collecting samples. The quartz micro-fluidic chip with the gas-phase carbon center free radical in-situ capture channel has a longer channel and a larger inner surface area of the channel, so that the quartz micro-fluidic chip can be coated with more capture agents, and the capture efficiency is remarkably improved. And a 2, 2, 6, 6-tetramethylpiperidine oxide trapping agent is adopted. According to the invention, in-situ capture and efficient enrichment of trace gas-phase carbon center free radicals can be realized.

The invention belongs to the technical field of data processing, and discloses an elution behavior prediction method and system, terminal equipment and a storage medium, and the method comprises the following steps: collecting a target liquid separated out in a simulated column chromatography elution process for multiple times at equal time intervals; carrying out near infrared spectrum collection on the obtained simulated collection samples in batches and carrying out preprocessing, training a long-short-term memory network combination model by using a sliding time window mechanism and using a plurality of batches of obtained simulated spectrum data sequenced according to time, and predicting a column chromatography elution process by using the trained model. According to the method, the key nodes in the column chromatography elution process are predicted, so that the key nodes in the elution behavior can be efficiently and accurately identified, and an operator can accurately master the elution time of a target component.

The invention relates to the technical field of extraction separation, and provides an extraction separation device which comprises a body, the body is provided with a sample disc, a reagent bottle and an extraction column disc, the extraction column disc is provided with a plurality of separation columns, and the separation columns are used for selective adsorption and separation of uranium matrixes and impurity elements; the first mechanical arm is arranged on the body; the liquid adding assembly is arranged on the first mechanical arm, and the liquid adding assembly is used for taking liquid from the reagent bottle and executing liquid adding operation; the pipetting assembly is arranged on the first mechanical arm, and the pipetting assembly is used for sampling from the sample disc and executing sample loading operation; the second mechanical arm is arranged on the body; the pressurizing device is arranged on the second mechanical arm and is used for executing sealing pressurizing operation on the separation column; the receiving assembly is arranged on the body, can move relative to the body and is used for collecting the sample solution and the waste liquid. A plurality of problems during manual separation operation are solved, and the whole process of sample loading, leaching, elution, receiving, constant volume, waste liquid collection and the like is automatically completed.

The invention relates to a sample chamber for taking samples from a molten metal bath, in particular a molten steel or iron bath. The sample chamber comprises a flat cover plate and a housing, which are configured to be assembled together along an analysis surface AP to form a sample cavity. The housing comprises an immersion surface and an opposite end surface, and a top surface and a bottom surface. The housing comprises a first opening on the immersion surface and a second opening on another surface. The top surface has at least one recess and consists of a distribution segment, a ventilation segment and an analysis segment, the analysis segment being bounded by the analysis surface AP. The distribution segment and the ventilation segment are arranged below the analysis segment in the direction from the top surface to the opposite surface of the housing, the maximum and minimum cross-sectional areas of the analysis segment perpendicular to the central longitudinal axis X of the housing do not deviate from each other by more than 20%. The invention further relates to a sampler comprising a sample chamber according to the invention and a carrier tube adapted to accommodate at least a part of the sample chamber.

The present invention relates to a biosensor attached to the skin of a user, the biosensor enabling the continuous measurement of a sample without damaging a sensor, the biosensor comprising: a substrate; an adhesive part contacting the skin of a user; and a channel part formed between the substrate and the skin of the user. The channel part comprises: a collecting part for collecting a sample in liquid form; a moving channel for moving the sample collected by the collecting part; a measuring part having positioned thereat a sensor part for measuring, from the collected sample, the concentration of an object being measured; and a discharge part for discharging the measured sample, wherein the sensor part is formed at a predetermined interval from the skin of the user.

As semiconductor devices continue to shrink, particle detection systems require corresponding improvements in sensitivity and resolution. [Solution] The dark-field inspection system includes an illumination source for generating an illumination beam, an illumination optical component configured to direct the illumination beam towards the sample at an off-axis angle along the illumination direction, a collection optical component for collecting scattered light from the sample in response to the illumination beam in dark-field mode, a polarization rotor positioned on the pupil plane of the collection optical component, which provides a spatially variable polarization rotation angle selected to rotate the light scattered from the surface of the sample to a selected polarization angle, a polarizer aligned to block light polarized along the selected polarization angle in order to block the light scattered from the surface of the sample, and a detector that generates a dark-field image of the sample based on the scattered light from the sample that has passed through the polarizer.

The invention discloses a fuel rod dirt reproduction system, a fuel rod dirt sampling method and a fuel rod dirt characterization method.The fuel rod dirt sampling method is used for obtaining a dirt collection sample from the dirt reproduction system and comprises the steps that the interior of a medium flow channel is pressurized to preset pressure intensity, and a dirt reproduction agent is introduced into the medium flow channel; heating the dirt reproduction agent through the heating element, so that corrosives in the dirt reproduction agent are deposited on the heating element; the dirt reproducing agent in the shell assembly is discharged through the quick discharging channel; and intercepting the heating element deposited with the corrosives to obtain a dirt collection sample. It can be seen that due to the fact that the pressure of the medium flow channel is increased to the preset pressure intensity, the interior of the shell assembly is continuously kept in the high-pressure state in the dirt collecting process, and after dirt is collected on the heating element, the high-pressure state can force the dirt reproduction agent to be rapidly discharged through the rapid discharging channel; therefore, the dirt collection sample component and the porous structure are prevented from greatly changing, and the accuracy of the analysis result is ensured.

Apparatuses, systems, and methods for the collection and sampling of agents (including organisms and pathogens) to determine the health of an animal colony. A collection media is configured to collect a sample from a target animal, such as a mouse or rat. The collected sample may include dust, feces, fur, urine, saliva, or other aspect of the target animal's environment.

A kit of parts for an exhaled breath condensate collection device. The kit comprises an assembly including a mouthpiece module. The kit further comprises a collection vessel configured to be cooled in use and configured for insertion into the assembly. The collection vessel defines a sealed and resealable chamber for collecting exhaled breath condensate in use. The collection vessel has a vessel breath inlet for admitting exhaled breath into the chamber. The kit of parts is configured such that the collection vessel is removable from the device in a sample containment configuration in which the collection vessel chamber is resealed. One or more parts of the kit of parts is configured and / or operable such that the collection vessel is caused to be resealed into the sample containment configuration after sample collection before the collection vessel is fully removed from the device.

Devices, systems, and methods for collecting samples for medical testing. A sample collection device includes a collection chamber coupled to a body portion. The collection chamber extends from a first collection chamber end to a second collection chamber end. The collection chamber includes an opening proximate the second collection chamber end. The opening is configured to receive a first volume of the biological sample. A projection extends into the collection chamber. The collection chamber is configured to translate relative to the projection between a first position and a second position, wherein translation of the collection chamber from the first position to the second position causes a second volume of the biological sample to be released from the collection chamber through the opening.

The present invention discloses sample collection and processing integrate-able device comprising a sample collecting swab [1] comprising a swab tip [5], a swab handle, a swab locking slots [8] and a push-base [7]; a sample collection vial [2] comprising liquid for collection of sample [4], a linear guide for swab [9] at the base of the said vial and an unilateral lid [3] that is user friendly and enables collection and processing of a sample in one step. The device overcomes the problem of higher chances of contamination of the samples associated with use of the sample collection devices of the prior art.

A liquid chromatograph autosampler (100) for collecting a sample from a vial containing the sample by using a movable needle (114) and injecting the sample into a mobile phase flowing toward an analysis column includes one or more tray mounting regions (120) for mounting a vial tray that holds the vial, and is provided with a sample rack (104) arranged at a position defined so as to enable sampling of the sample from the vial by the needle (114). The tray mounting region (120) of the sample rack (104) is defined as a flow vial mounting region for mounting a flow vial (200).

A method includes collecting measurement data of a sample, determining a confidence value associated with the measurement data, determining if the confidence value is less than a confidence threshold value, and causing the measurement data to be stored in a memory device if the confidence value is less than the confidence threshold value. The method further includes utilizing the measurement data for training of a machine learning system, thereby updating the operation of the machine learning system. The measurement data is measured by an inspection device located at a first location. In one example, the measurement data is a captured image captured by an optical inspector. The confidence value associated with the captured image represents the confidence of the machine learning system regarding what is displayed in the captured image.

An object is to provide a simple method and kit for detecting a microorganism or cell. A method for detecting a microorganism or cell, including the steps of first extracting the microorganism or cell with an extracting agent containing a surfactant; then collecting a sample with a sampling portion containing a surfactant adsorbent, and measuring luminescence level with a luminescence reagent, and a kit for the method are provided.

The utility model provides a kind of sampling equipment for biological product research and development, it is related to sampling equipment technical field, including: cabinet, gantry is fixedly installed in cabinet top, placing plate is fixedly installed in cabinet top, frame is equipped on placing plate, sampling needle cylinder is equipped in the inside of frame.This kind of sampling equipment can control sampling needle cylinder to sample by sampling mechanism, so it is unnecessary to sample manually, then be transferred into collection sample bottle, sample collection process is more simple and convenient, improve the stability of sampling, avoid reagent to leak and spill in transfer way, improve the progress of experimental work.

A sample storage container includes: a collection container having an open top; a cap configured to open and close an upper portion of the collection container; and a collection stick provided at a lower end of the cap to collect a sample. The collection stick is detachably coupled to the lower end of the cap. The collection stick includes: a coupling ring fitted into a recessed groove formed along an outer circumference of the lower end of the cap; a rod extending downward from the coupling ring; and a contact portion formed on the outer circumference of the rod to come into contact with the sample.