21 results about "Separate sample" patented technology

The invention provides a gas field reservoir lithology earthquake prediction method based on CCIDI cleaning and TransMSAE, and the method comprises the steps: constructing a CCIDI cleaning module, and employing a well-divided lithology-divided strategy: employing IQR to remove statistical anomalies, employing DBSCAN to remove boundary noise, employing Isolation Forest to remove high-dimensional residual noise, and forming a high-quality logging data set; the method comprises the following steps: constructing a TransMSAE model: pre-standardizing a Transform encoder to capture long-range dependence, and providing robust time sequence representation; multi-scale convolution is introduced into the MSCCAM to extract a local-global mode, and cross attention is fused to improve complex deposition dynamic perception; aMFEM gating residual self-adaptively enhances minority class features, and minority class recognition is remarkably improved; designing NAFL-ProtoLoss mixed loss: NAFL focus inhibition easy-to-classify samples, ecological niche punishment over-confidence prevention, ProtoLoss zoom-in class inward pushing-out between classes, and optimization of unbalanced classification; finally, training and reasoning are carried out based on the model, and high-precision lithology prediction is achieved. The method provided by the invention has high generalization and accuracy, and has excellent reservoir prediction performance in a complex geological environment.

The invention discloses a plug-in mounting and separating tool special for underwater operation and an operation method. The plug-in mounting and separating tool comprises a plug-in mounting male connector, a plug-in mounting female connector, an in-situ sample storage tank, a hose and an operation handle. The plug-in female joint is connected with the storage tank through a hose, and the plug-in male joint is fixedly connected with the operating handle. A guide ring is arranged at the front end of the plug-in male connector, and a guide support is arranged at an inlet of the plug-in female connector. And sealing plugs driven by springs are arranged in the two parts and are kept sealed in a normal state. And a limiting insertion rod is arranged in the insertion female joint. And a compensation film and a compensation film spring are arranged in the storage tank. During insertion, the guide ring is matched with the guide support, the two sealing plugs abut against each other to be opened to form a channel, the limiting insertion rod is automatically locked, and a sample flows into the reagent bag under the action of the compensation film spring. During separation, the limiting insertion rod is separated, and the sealing plug automatically resets for sealing. The device is compact in structure and reliable in operation, adapts to a full-sea-depth environment, can realize unpowered transfer and recovery of underwater samples, and has important engineering application value.

The utility model relates to the technical field of medical laboratory equipment, and discloses a medical laboratory automatic assembly line and a sample support rail transfer device, the sample support rail transfer device comprises a reversing disc rotatably arranged between a sample injection rail and a cache rail and a reversing power assembly used for driving the reversing disc to rotate; the reversing disc is fan-shaped, and one end of the reversing disc is provided with a reversing groove which is matched with the sample support to drive the sample support to rotate; when the reversing disc is located at the working position, one end of the reversing disc is matched with the partition plate to separate the sample injection track from the cache track; when the reversing disc is located at the pre-track-changing position, the reversing disc cuts off the sample injection track, and the direction of the reversing groove is opposite to the sample injection direction of the sample injection track, so that the sample support enters the reversing groove along the sample injection direction; when the reversing disc is located at the track transfer position, the reversing groove is aligned with the cache track, the orientation of the reversing groove is the same as the cache direction of the cache track, so that the sample support is separated from the reversing groove, the structure is simple, the cost is low, the track transfer action is simple, and the track transfer efficiency is high.

The present application provides an automatic analysis device with HPLC, which can automatically determine the completion of column equilibration for preparation action of measurement, and determine the error position when an error occurs during equilibration. The automatic analysis device (100) comprises: a liquid feeding part (102) with a liquid feeding device (106) and a liquid feeding flow path (C0) and feeding mobile phase; a sample introduction part (103) for introducing sample into mobile phase; a separation column (113) for separating sample into multiple components; a detector (105) for detecting components; and a control part (114). The pressure sensor (107) detects the pressure of the liquid feeding flow path (C0), and the control part (114) calculates the pressure rise rate after the start of mobile phase feeding, the compression pressure change amount and the pressure average after the mobile phase feeding lasts for a certain time based on the pressure detected by the pressure sensor (107), and determines the completion of equilibration of the separation column (113).

A method of operating an analytical instrument comprises ionising a sample to produce sample ions; performing a first ion separation scan by separating sample ions according to a first physico-chemica

1. Name of the designed product: Sealer and its main body of gradient dispenser. 2. Overall use of the product: The designed product is used as a tube sealer or heat sealer of a gradient dispenser. Gradient dispenser is a laboratory instrument used to create and dispense density gradient for sample separation and purification. The gradient dispenser is configured to automate a gradient containing reagents of different densities for a centrifugation process to separate sample components according to their different densities. The designed product is used to seal the container (e.g. test tube) after the gradient is dispensed into the container. Partial use of the product: The partial design of claim 2, 3, 4 is used as the main body of the sealer. 3. Design points of the designed product: The shape of the solid line shown in each view. 4. Picture or photo that best shows the design points: The perspective view of claim 1. 5. Claim 1 is designated as the base design. 6. Other circumstances that need to be explained: The dotted line in each view is shown for illustration purposes and does not constitute part of the claimed design of this design application. The dashed line in each view represents the boundary between the claimed part and other parts.

This utility model discloses a drill-and-take separation type farmland soil sample collection device, comprising: a movable chassis for communication with a microcontroller; a drilling mechanism; a soil-taking mechanism; a collection mechanism including a telescopic push rod, a collection box, a stepper motor, and a six-hole tray shaft-driven to the stepper motor drive end. Both the telescopic push rod and the six-hole tray are for communication with the microcontroller. The collection box is slidably mounted on the frame structure along the arrangement direction of the drilling and soil-taking mechanisms. The six-hole tray is rotatably connected to the collection box and has six sample-holding slots distributed on the same circumference. A navigation component is used for communication with the microcontroller and for collecting and storing three-dimensional spatial data of each sampling point. This drill-and-take separation type farmland soil sample collection device can complete the collection of soil samples from multiple points and store the soil samples from each sampling point separately, reducing labor intensity and improving sampling efficiency and accuracy.

The application provides a kind of extracellular vesicle quantitative detection method based on self-interference spectrum reconstruction, it is related to the intersection field of biomedical detection and optical engineering.The method comprises: adding clinical sample into digital microfluidic chip, and separating sample droplet from droplet with functional modification magnetic bead by electrode;After mixing two droplets, add vesicle binding solution and mix, then incubate;Through magnetic control fixed magnetic bead, remove solution, then add deionized water to clean magnetic bead;After removing magnetic bead cleaning solution, add vesicle eluent and incubate with magnetic bead;Separate out the droplet containing extracellular vesicle;Transfer the droplet containing extracellular vesicle to the upper of gold-coated glass, remove droplet after incubation;Use deionized water to clean hybridized gold-coated glass;Use self-interference spectrum imaging system to detect vesicle quantity and its particle size distribution.The application can realize extracellular vesicle quantitative counting, particle size measurement and surface protein marker detection simultaneously, and improve single vesicle quantitative imaging precision and detection efficiency.

The article to which the design of this application relates, an “electrophoresis analyzer,” is a machine that separates samples such as blood by electrophoresis and measures and analyzes the presence or absence and characteristics of DNA / RNA, etc.

1. The name of the design product: centrifuge (for clinical laboratory). 2. The use of the design product: for separating samples. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application relates to the field of microfluidic technology, in particular to a three-dimensional paper-based rotary microfluidic device, which comprises a first functional layer, a second functional layer and a third functional layer which are stacked from top to bottom, a rotating shaft is arranged on the upper surface of the third functional layer, the first functional layer is provided with a first shaft hole allowing rotation along the rotating shaft, and the second functional layer is provided with a second shaft hole allowing rotation along the rotating shaft; the first functional layer is provided with a sample inlet hole and an adsorption block at the bottom; the second functional layer is provided with a sample receiving groove matched with the sample inlet hole and a sample separation and enrichment hole matched with the adsorption block, the sample receiving groove is connected with the sample separation and enrichment hole through a sample flow groove, and the sample separation and enrichment hole is crossly provided with a paper-based bearing sheet for separating samples; and the third functional layer is provided with a sample analysis block matched with the sample separation and enrichment hole. The device can simultaneously perform the steps of sample feeding, impurity analysis, flow separation, separation and enrichment and detection on multiple samples.

Provided is a method for selectively separating samples from a substrate. The method includes: providing a substrate mounted with samples; selecting one or more desired target areas from areas of a layer of the samples; patterning an energy source so as to correspond to the target areas; and extracting energy from the patterned energy source, applying the extracted energy to the target areas such that target samples corresponding to the target areas are released from the substrate, and recovering the target samples.

The present invention is directed to a removable sample holder for analytical instruments or apparatuses that utilizes a prism. For example, sample devices of the invention can be used in a surface plasmon resonance (SPR) spectroscopy, a plasmon-waveguided resonance (PWR) spectroscopic device, as well as other spectroscopy devices known to one skilled in the art that uses a prism. The present invention is also directed to methods for using the same. The sample holder device (10) includes a sample injection port (100), a prism retainer (200) and a sample compartment base (300). Unlike conventional SPR and PWR instruments that have a built-in sample chamber, the sample holder device (10) of the present invention provides a separate sample chamber that can be readily removed and replaced. Furthermore, by allowing ready replacement of the prism the sample holder device (10) of the invention allows user to fabricate custom sensor chips.

According to the joint detection device, a suction and spitting assembly is used for sucking liquid or spitting liquid so as to collect or separate samples, a reaction tank assembly comprises at least one reaction tank unit, the suction and spitting assembly is used for separating the collected samples to the reaction tank unit so as to prepare sample liquid, a main detection assembly is connected with the reaction tank assembly, and the main detection assembly is connected with the reaction tank assembly. The main detection assembly is used for performing main item detection on the sample liquid, and the sub-detection module is connected with a reaction tank assembly of the main detection module through a liquid path pipeline, so that a sub-item reagent provided by the sub-reagent supply assembly is conveyed to the reaction tank assembly through the sub-power assembly, and the prepared sample liquid is conveyed to the sub-detection assembly; the sub-detection assembly is used for performing sub-item detection on the sample liquid. Based on the mode, the combined detection operation of saccharification detection and blood routine examination can be realized.

The utility model discloses a fast calibration fracture mechanics extensometer, which comprises a shell, an adjustable calibration block and a fixed calibration block, a mechanics extensometer structure is arranged in the shell, the mechanics extensometer structure comprises a pressing block, an upper measuring arm is arranged below the pressing block, a lower measuring arm is arranged below the upper measuring arm, an upper measuring arm is arranged below the upper measuring arm, and a lower measuring arm is arranged below the lower measuring arm. A support is arranged under the pressing block. The upper measuring arm and the lower measuring arm deform along with the displacement of a sample notch, the resistance value of a bridge circuit changes, the deformation of the sample is measured through bridge circuit imbalance output, the initial deformation of the measuring arms provides clamping force for the extensometer, the extensometer is matched with the sample notch or a knife edge, other mounting structures are not needed, and when the sample is broken, the extensometer can be automatically separated from the sample; and when the scale distance is increased, the support with an angle is designed, so that the approximate height size of the extensometer is ensured, the size of the extensometer is reduced, the space is saved, and the problem of uncoordinated proportion is avoided.

This application relates to a fully automated mass spectrometry detection device. The fully automated mass spectrometry detection device includes a sample stage module, a pretreatment module, a multi-channel liquid chromatography module, and a mass spectrometry detection module. The sample stage module is adapted to interface with a production line to load samples. The pretreatment module is adapted to interface with the sample stage module to obtain samples from the sample stage module, and is used to pre-treat the samples for subsequent liquid chromatography separation. The multi-channel liquid chromatography module is adapted to interface with the pretreatment module to obtain the pre-treated samples for liquid chromatography separation. The mass spectrometry detection module is adapted to interface with the multi-channel liquid chromatography module to obtain the liquid chromatography-separated samples for mass spectrometry detection. The sample stage module, pretreatment module, multi-channel liquid chromatography module, and mass spectrometry detection module are all independent modules, with two or more modules used in combination. This application's solution can improve the equipment's scalability, ease of maintenance, adaptability to different scenarios, and work efficiency.

The application relates to a forest soil nematode separation method based on combination of Bellman funnel method and centrifugal flotation method, and relates to the field of nematode extraction.The application aims to solve the problem that traditional single separation method is difficult to consider efficiency and effect.The application provides a nematode separation method combining Bellman funnel method and centrifugal flotation method.Compared with the traditional single nematode separation method, the combined method not only improves the separation efficiency, reduces the loss and error in the operation process, but also better protects the integrity of the nematodes, ensures the purity of the separated samples, and thus provides a more accurate and reliable basis for subsequent nematode identification and counting.A forest soil nematode separation method based on combination of Bellman funnel method and centrifugal flotation method is obtained.

1. Name of the product in this design: Centrifuge. 2. Purpose of this design: For separating samples such as blood and body fluids. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a high-precision sampling device for sewage experiment detection, and relates to the field of sewage treatment. Through an adjusting mechanism, the sampling distance and the depth required by sampling can be adjusted during working, so that the sampled sample is more comprehensive, the position adjustment is more accurate, a water inlet hole of a sampling shell is cleaned during rotation of a locking disc, and the sampling efficiency is improved. Meanwhile, after sampling at a fixed position is finished, a water inlet hole is blocked by a locking disc, and the locking disc is opened when entering a next position, so that a water sample can be sampled at the fixed position during sampling, samples cannot be mixed, and the sampling accuracy is ensured; the rotating motor drives the next collection bottle again for collection, so that samples at different positions are separated, the buffer spring is arranged to press the bottle cap for adjusting and buffering, the bottle cap is prevented from crushing and damaging the collection bottle, and meanwhile, after the bottle cap is tightly covered, the water sample can be prevented from being polluted to cause inaccurate sampling.

The present invention is directed to a removable sample holder for analytical instruments or apparatuses that utilizes a prism. For example, sample devices of the invention can be used in a surface plasmon resonance (SPR) spectroscopy device, a plasmon-waveguided resonance (PWR) spectroscopic device, as well as other spectroscopy devices known to one skilled in the art that uses a prism. The present invention is also directed to methods for using the same. The sample holder device (100) includes a prism retainer (200) and a sample holder (300). Unlike conventional SPR and PWR instruments that have a built-in sample chamber, the sample holder device (100) of the present invention provides a separate sample chamber that can be readily removed and replaced. Furthermore, by allowing ready replacement of the prism the sample holder device (100) of the invention allows user to fabricate custom sensor chips.

The present disclosure relates to supports comprising a substrate and a plurality of sample spots on the surface of the support, wherein the sample spots are spatially separated from another by the substrate, and wherein a single biomolecule is immobilized on at least 2 separate sample spots.