129 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 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 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.

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.

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.

The invention discloses a poor-flooding pre-sensing internet-of-things multi-target optimization heating and ventilation system which is obtained by executing the following steps: step 1, data are collected through front sensors arranged on heating equipment, ventilation equipment, air conditioning equipment, corollary equipment and auxiliary equipment, and an initial collection sample library is formed; 2, preprocessing the initial acquisition sample library, performing difference compensation and dimension reduction normalization processing on different modes of rough data after enhancement and generalization through principal component analysis (PCA) and a wavelet modulus maximum if a small amount of data appears due to insufficiency in the data acquired by the front sensor, and extracting key feature vectors, generating an expansion sample library; 3, training the mathematical model; and 4, testing the mathematical model.

The invention relates to the technical field of fermentation, in particular to environment-friendly agricultural and forestry waste treatment fermentation equipment which comprises a fermentation container. The device further comprises a cylinder, a sampling container and the like. The fermentation container is provided with a plurality of cylinders, all the cylinders are provided with a plurality of through grooves I, and all the through grooves I face upwards; and sampling containers for collecting samples are placed in all the cylinders. According to the sampling device, the connecting ring and the air pipe in the cylinder at the to-be-sampled position are horizontally pulled out outwards, so that the through groove II is communicated with the interior of the cylinder, and a mixed material at the to-be-sampled position can fall into the sampling container through the through groove II, so that the sampling work of the mixed material at the to-be-sampled position is realized, and therefore, manual handheld sampling of the sampling barrel is distinguished, and the sampling efficiency is improved. Convenient sampling is realized.

The invention provides a device and a method for medical Raman spectrum detection, and belongs to the technical field of Raman spectrum detection. The device comprises a laser used for emitting laser to a sample; the Raman probe device is configured to comprise a laser excitation light path and a Raman signal collection light path, the laser excitation light path is used for transmitting the laser emitted by the laser to the sample, and the Raman signal collection light path is used for collecting Raman signal light generated after the laser excites the sample; and the spectrograph is used for receiving the Raman signal light from the Raman signal collection light path and carrying out spectrogram collection and analysis on the Raman signal light. According to the device for medical Raman spectrum detection, the position consistency of Raman signal light of an excitation sample and a collection sample can be ensured, signal crosstalk is effectively blocked, the purity and the singleness of Raman signal collection are realized, and the accuracy and the reliability of data analysis are improved.

Device (100) for collecting samples, comprising: - an elongated body (110), - at least one first collecting element (111) configured for absorbing and / or retaining an organic and / or inorganic sample, preferably a sample of biological and / or microbiological material and / or of urine, said first collecting element (111) being arranged in correspondence of said elongated body (110); - a gripping portion (122), suitable for being grasped by a user for operatively retaining the device for collecting samples (100) at least during a collection of said sample; - a first retaining element (112) for said at least one first collecting element (111), - a second retaining element (113) for said at least one first collecting element (111), said second retaining element (113) being movable with respect to said elongated body (110); wherein: - said at least one first collecting element (111) is operatively compressible and / or squeezable to allow an at least partial release of said sample, and has at least one at least partially expanded configuration (B) and a compressed and / or twisted configuration (A) and, - said second retaining element (113) is movable between at least one first position (P1) with respect to said first retaining element (112) and a second position (P2) with respect to said first retaining element (112); and wherein when said second retaining element (113) is in said first position (P1) with respect to said first retaining element (112), said first retaining element (112) and said second retaining element (113) retain said at least one first collecting element (111) in said compressed and / or twisted configuration (A), and when said second retaining element (113) is in said second position (P2) with respect to said first retaining element (112), said first retaining element (112) and said second retaining element (113) allow said at least one first collecting element (111) to assume and / or to keep said at least partially expanded configuration (B); said second retaining element (113) being configured for being coupled to, and moved by, a striker (202), preferably being part of, or coupled to, a container (200) comprising a cavity (201) configured for housing at least part of the device for collecting samples (100) and for housing and / or retaining at least part of said sample when released by said at least one first collecting element (111).

According to the present invention, a sheet obtained by thinly spreading, on a film, a support part for supporting a sample to be collected is provided on the film. The sheet is punctured with a needle having a hollow-shaped section, and thereby a sheet portion, which is a part of the sheet, is cut out and collected in the hollow-shaped section. The sheet portion in the hollow-shaped section is discharged from the inside of the hollow-shaped section, and the sheet portion is placed in a container (9A). The container (9A) and part of a gel plate (6) serving as a sheet are installed on the same stage (102).

To measure characteristics of a sample, and in particular, to more accurately evaluate optical characteristics of a biological sample containing microorganism particles such as bacteria.SOLUTION: An apparatus comprising an optical instrument (2) for monitoring bacterial growth in a liquid biological sample to which a drug has been administered. The optical instrument 2 comprises a light source 22 that, in use, illuminates the sample along an incident beam axis that intersects at least one of the sample containers, and a light collection arrangement 24 configured to collect light that has been scattered in a forward direction by bacteria in the sample and to direct the collected scattered light to a first photodetector 26, and to prevent unscattered light travelling parallel to the incident beam axis from reaching the first photodetector 26. Based on the intensity of the scattered light received by the first photodetector 26, a representative amount or change in concentration of bacteria present in the sample as a function of time is determined, and a corresponding susceptibility of the bacteria in the sample to the respective drug is determined.SELECTED DRAWING: Figure 2

The application discloses a floating type river water quality detector for municipal environment monitoring and belongs to the technical field of water quality detectors. The floating type river water quality detector comprises a floating body floating in a river, a fixed cylinder for sampling is fixedly installed at the lower end of the floating body, a baffle is fixedly installed at the inner side of the floating body, a detection module is installed on the baffle, a drain pipe is rotatably connected to the center position of a rotating seat, a sample tank for collecting samples and a water outlet pipe for discharging flushing water are installed on the baffle, a water inlet groove is formed in the lower end of the fixed cylinder, a purification assembly is installed at the inner side of the water inlet groove, and an elastic film is installed 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 water samples in the detection process, and can flush the pipeline with purified water after single detection, so that the detection accuracy of the subsequent detection is ensured.

The utility model discloses a plant protection test soil collection device, including collection cylinder, collection rod, collection pedal and handle, the collection rod is vertically installed on the top of collection cylinder, the collection rod is sleeved with the collection pedal, the handle is installed on the top of the collection rod, the top inside the collection cylinder is provided with a return mechanism, and the return mechanism is installed on the top of the collection rod. A sample collection cylinder is slidably mounted in the collection cylinder, and the sample collection cylinder is propped against the return mechanism, so that the return mechanism is used for popping up the sample collection cylinder after soil collection. A collection cylinder with a return mechanism is arranged on the soil collection device, so that a sample collection cylinder elastically abuts against an abutting plate on the return mechanism, and after soil collection is finished, elastic potential energy generated by return of a compressed return part metal spring on the return mechanism pushes the abutted sample collection cylinder to move downwards along the collection cylinder; therefore, the soil sample can rapidly fall off and be collected, and the collection efficiency of the soil collection device on the soil for plant protection test is improved.

To provide a specimen collection device that can suppress contamination of the external environment by the specimen solution. [Solution] A sample collection device for collecting a sample liquid comprises a collection rod 21 having a tube 11 having an internal space 14 continuous with an insertion port 13, a shaft body having a telescopic structure formed by a plurality of shaft portions 22-24, and an absorbent body 25 supported by the shaft body for absorbing and holding the sample liquid, and a cap 18 having a nozzle portion 18b that can close the insertion port 13 and allows the sample liquid to be dripped, wherein the shaft body can be retracted to a length that allows the insertion port 13 to be closed by the cap 18.

A system and method for measuring the color of an area of ​​a sample. The system includes: a light source; a first optical arrangement for scanning the area of ​​the sample portion by portion; a second optical arrangement including a second optical device and optical elements for collecting light scattered from the sample; a spectrometer for receiving the collected scattered light and measuring the light spectrum of each of the portions; and a computing device. The system is configured to synchronize the scanning of the area with the recording of the light spectra for multiple portions of the area. The second optical device is configured to change and dynamically orient the propagation direction of the redirected scattered light in synchronization with the first optical device. The computing device determines color coordinates, calculates and analyzes the overall light spectrum, and calculates XYZ tristimulus values.

The invention discloses an automatic sampling device for corn breeding, and relates to the technical field of corn sampling, the automatic sampling device comprises a machine body, the upper end of the machine body is fixedly connected with a storage bin, the storage bin is internally and rotatably connected with a mixing mechanism, and the inner wall, located below the storage bin, of the machine body is fixedly connected with a slicing mechanism used for adsorbing and slicing corn in the storage bin; a collecting mechanism used for collecting samples is fixedly connected to the inner wall of the machine body, the collecting mechanism is used for collecting sliced corn samples, the collecting mechanism rotates along with reciprocating movement of the slicing mechanism, sliced corn seeds are separated and collected after being sliced, dislocation cross contamination of the samples is avoided, and the corn seed size is reduced. Detection data distortion is avoided, and breeding decision is prevented from being influenced.

Provided is a cover member (33, 36, 50) for covering an opening of a sample container in which a liquid sample is to be contained. To accurately collect the liquid sample contained in the sample container while preventing a carryover, the cover member is made of an elastic sheet material and has a slit (331, 361, 511) in an area different from a predetermined area through which a sample-collecting tool for collecting the liquid sample is to be inserted. This cover member can be suitably used as a septum configured to cover an opening of a vial, or as a sheet configured to cover openings of a plurality of wells provided on a microplate.

A sample swab for collecting a sample for delivery to a detector and a method for producing a sample swab are provided. A method of producing a sample swab for collecting a sample for delivery to a detector includes providing a swab substrate in the form of a sheet, and stamping the swab substrate in a press including surface protrusions to form one or more ridges in a sample collection region of the swab substrate, wherein the one or more ridges protrude from the surface of the sheet by more than 0.1 mm and no more than 1.0 mm.

The utility model discloses an activated carbon sampling device for an activated carbon pool, a rod assembly comprises a first connecting rod and second connecting rods, and the sampling depth is adjusted by increasing or decreasing the number of the second connecting rods; the sampling assembly comprises a sampling rod and a flow guide plate; the sleeve assembly comprises a sleeve and a third connecting rod, and the sleeve sleeves the rod assembly through the third connecting rod and can move relative to the sampling assembly. During sampling, the sampling assembly is rotated to enable the flow guide plate to collect samples, then the sleeve blade edge is cut into the activated carbon layer, and in-situ water filtering is achieved through the first water permeable holes. The device can obtain the deep sample of the carbon pool without manual excavation, avoids pollution and is convenient to operate; a detachable structure is convenient to adjust the sampling depth and carry and transport; the flow guide plate and the first water permeable holes cooperate to avoid the pond body drainage step, the sampling efficiency is improved, and the detachable connection of the device gives consideration to the operation flexibility and the sampling precision.