72 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.

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.

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.

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.

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.

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.

DEPCT65 What has been provided is a hot-dip galvanizing method that can inhibit the occurrence of... The dross defect and the facilitation of alloying are advantages when producing quenched steel plates. Hot-dip galvanizing is a process of zinc coating through alloying; it is a standard operating procedure for hot-dip galvanizing. This is an example of the hot-dip galvanizing process that has been used for manufacturing. Hot-dip galvanized steel sheet or hot-dip galvanized steel sheet through The alloying process in this hot-dip galvanizing operation includes the aggregation step. Example (S1) procedure for determining the amount of dross phase sine (S2) and adjustment procedure. Working condition (S3) in the sample collection step (S1), samples were collected from the bath. Hot-dip galvanizing with Al in the determination process to obtain dross sine (S2) content. The dross phase saturation in the collected samples was determined during the conditioning procedure. Working (S3) The working conditions of the hot-dip galvanizing operation are adjusted by Based on a defined dross phase quantity. -----------------------------------------------------------

The utility model discloses a soil sampling device for archaeological, which relates to the technical field of archaeological equipment and comprises a shell, a dust collecting cavity, a collecting cavity and a feeding cavity are arranged in the shell, the dust collecting cavity is communicated with the collecting cavity through a first connecting pipe, the collecting cavity is communicated with the feeding cavity through a second connecting pipe, and a drill bit is arranged in the feeding cavity. The first sampling assembly is used for driving the drill bit to sample, an air extracting pump and a second sampling assembly are mounted at an opening of the dust collecting cavity, and the first sampling assembly comprises a spiral feeder mounted on the drill bit; according to the utility model, soil around and on the remains can be collected and sampled, and sampling can be conveniently carried out from fine gaps or the surfaces of the remains, so that the soil components on the remains can be analyzed simultaneously, and the corrosion degree of the remains at the moment can be judged according to the difference of the components of the two kinds of soil.

The utility model discloses a water conservancy monitoring liftable water quality sampling platform relates to water conservancy monitoring field, solved the problem that the existing device is difficult to carry out efficient collection sampling to different depth water body according to demand, adopted the following scheme: including platform component and the guiding component of inside assembly, the guiding component is driven sleeve has steel wire rope, including the positioning cylinder in the platform component, the positioning cylinder is positioned and is equipped with the height adjustable guiding component, the tail end of steel wire rope is equipped with the positioning nail, and the head end of steel wire rope is equipped with the water conservator, and this water conservancy monitoring liftable water quality sampling platform can adjust the positioning effect of guiding component through the setting of platform component and the guiding component of inside assembly, thereby adjusting the height of runner, makes it higher than water surface, and then through the height adjustment of steel wire rope, the height of water conservator at the head end is adjusted, and the water body of different depth is efficiently collected and monitored.

The invention discloses a sample preparation method and system meeting in-situ irradiation TEM and APT samples. The method comprises the following steps: pretreating a nuclear structure material; according to a pre-trained machine learning model, processing equipment parameters when the femtosecond laser processing technology is adopted for processing are obtained; carrying out rough machining on the nuclear structure material by adopting a femtosecond machining technology to obtain a rough sample; the rough samples are screened, finish machining is conducted on the rough samples meeting the screening standard through the FIB technology, and machining equipment parameters of FIB finish machining are obtained according to a pre-trained machine learning model; wherein the training of the machine learning model comprises the following steps: collecting historical data of sample preparation, including successful and failed cases, recording material characteristic parameters, processing equipment parameters and environmental condition parameters of each case as input variables, recording a sample preparation success rate and a sample quality index as output variables, and preprocessing the historical data; and training according to the preprocessed data to obtain a machine learning model.

There is disclosed a sampling system for sampling ore dispensed from an ore outlet chute. The system has laterally spaced guide bars being arranged to guide motion of sample bags from a supply end towards a discharge end at which the sample bags can be manually removed. The sample bags have drawstrings, wherein the sample bags are suspended between the guide bars by hooking opposed loops of the drawstring over the guide bars. A transfer mechanism collects a sample bag from the supply end and, after being filled with ore, slides the sample bag along the guide bars towards the discharge end. The guide bars have end stops that are arranged to trap the drawstring of an endmost filled sample bag to prevent it from sliding off the guide bars so that all the filled sample bags are retained suspended from the guide bars awaiting manual removal.

The application discloses a method for determining the content of combustible gas in steam. The sample is collected by the drainage gas collection method: the gas collection container filled with distilled water is inverted in the sink, steam is introduced to condense, the original water in the bottle is replaced and discharged by using the condensed water, so that the non-condensable combustible gas is collected at the top of the bottle, and the air is isolated by the water seal. Then, the standardized syringe sampling is carried out: after being cleaned and lubricated for multiple times, the airtight syringe is used to pass through the bottle plug and draw a certain amount of gas under the liquid surface, and is quickly sealed to avoid pollution. Finally, the sample is analyzed by the gas chromatograph, and the content of the combustible gas in the steam is quantitatively calculated based on the calibration curve or the correction factor established based on the known concentration standard sample. The application has the advantages of strong anti-interference, standard operation, good sample representativeness and low cost, and is especially suitable for accurate monitoring of low-concentration combustible gas.

The application relates to a method for extracting the core of a spheroid-like biological aggregate, and relates to the technical field of sewage biological treatment, which comprises the following steps: collecting and processing a sample, separating the core, and collecting the sample; the mixed solution is collected by using a centrifugal tube through a sampling port in the reactor uniform mixing stage, and is washed three times by using deionized water after sedimentation. The core separation operation device of the biological aggregate is fixed by a lower rectangular organic glass plate as a bottom plate, and the upper layer is formed by four same four-prism organic glass blocks which are spliced towards each other; after the biological aggregate is fixed at the center of the device by using a through needle, different inner diameter capillary glass tubes are penetrated to extract and separate the cores of biological aggregates with different particle sizes; after the cores of the biological aggregates are separated, high-throughput sequencing and other analysis and research can be carried out. The application can effectively extract the cores of spheroid-like biological aggregates, and has the advantages of strong applicability, convenient and simple operation and the like.

The application discloses a corn breeding automatic sampling device and relates to the technical field of corn sampling, which comprises a machine body, a storage bin fixedly connected to the upper end of the machine body, a mixing mechanism rotatably connected in the storage bin, a slicing mechanism fixedly connected to the inner wall below the storage bin and used for adsorbing and slicing corn in the storage bin, and a collecting mechanism fixedly connected to the inner wall of the machine body and used for collecting samples. The corn sample after slicing is collected by the collecting mechanism, the collecting mechanism rotates along with the reciprocating movement of the slicing mechanism, the sliced corn seeds are collected separately after slicing, the dislocation and cross contamination of the sample are avoided, the detection data distortion is avoided, and the breeding decision is affected.

Embodiments of the present disclosure are directed to systems and methods for collection and analysis of environmental air dust (EAD) within an individually ventilated cage rack (IVR) environment for detecting pathogens. The method includes collection of an EAD sample by a collection media, isolation of a plurality of nucleic acids (e.g., RNA and / or DNA) representative of one or more infectious agents from the EAD sample, optional reverse transcription of RNA to cDNA if the isolated nucleic acids contain RNA, amplification of the cDNA and / or DNA (e.g., by polymerase chain reaction (PCR)), and assay interpretation. Optionally, the EAD sample may be analyzed with one or more other sample types (e.g., fecal pellets, oral swabs, body swabs, tissue, etc.) to improve detection of low-copy organisms.

The utility model discloses a solid phase extraction separation automation device which comprises a machine body, an extraction device, a sampling device and an installation device, the installation device comprises a first installation assembly and a moving assembly, the moving assembly is arranged on the machine body, and the first installation assembly is installed on the moving assembly. The first mounting assembly can move relative to the machine body in the front-back and / or left-right direction through the moving assembly. According to the embodiment of the utility model, the first mounting component can be moved to the lower part of the sampling part to serve as a sample injection rack, and can also be moved to the lower part of the first outflow port to serve as a sample collection rack, so that the sample injection rack and the sample collection rack do not need to be respectively arranged. Compared with a traditional extraction and separation device, the sample container can be driven to quickly move between the sampling device and the extraction device by arranging the moving assembly and the first mounting assembly, the sample container does not need to be repeatedly taken out and put in after each extraction and separation, the operation of transferring the sample liquid is more convenient and faster, and the efficiency is higher.

The invention discloses a method for isolating sulfated polysaccharides from Gracilaria tenuistipitata. The method includes collection of sample, sample processing, extraction of sulphated polysaccharides, characterization using spectroscopic techniques and estimation of total carbohydrate and sulphate content to confirm structural and functional properties to yield high-purity sulphated polysaccharides with preserved bioactivity.

This invention provides a sampling and placement method that allows multiple pieces of the object to be processed to be arranged in a short cycle time. [Solution] A sheet obtained by spreading a support portion for supporting the sample to be collected thinly on a film is placed on the film. The sheet is punctured with a needle having a hollow shape, and a sheet portion, which is a part of the sheet, is cut off and collected in the hollow shape. The sheet portion in the hollow shape is discharged from the hollow shape and placed in the container 9A. A part of the gel plate 6 as a sheet and the container 9A are placed on the same stage 102.

The utility model relates to an automatic sample reserving device, and relates to the field of feed sampling devices, and the automatic sample reserving device comprises a sampling barrel obliquely penetrating through a feed conveying pipe, a sampling opening formed in the sampling barrel, a cover plate used for blocking the sampling opening, a driving mechanism used for driving the cover plate to move, a control mechanism and a collecting box used for collecting samples; the cover plate is of an arc-shaped structure, the cover plate is connected with the sampling barrel in a sliding mode, the top of the sampling barrel is of a sealing structure, a discharging port is formed in the bottom of the sampling barrel, and the collecting box is arranged below the discharging port. The sampling port is opened by moving the cover plate, so that automatic sampling is realized, the sampling efficiency is greatly improved, and the labor intensity of workers is reduced.

A housing for sample collection is disclosed. The housing comprises an actuating member configured to move between a first position and a second position, a sample collector and an assay component. In the first position the sample collector is in contact with the assay component and in the second position the sample collector is separated from the assay component and configured to collect a sample.