20results about How to "Simple sampling" patented technology

A sliding ring comprises a sliding block and a sliding sleeve, the sliding block is inserted into a sliding hole, the near end of a steel wire is fixedly connected with the sliding block, and the sliding sleeve is arranged on the outer side of a core rod in a sleeving mode; elastic walls are arranged on the two sides of the sliding block, limiting grooves are formed in the two ends of the sliding sleeve, limiting blocks matched with the limiting grooves for limiting are arranged at the ends, opposite to the elastic walls, of the sliding block in a protruding mode, and buckles matched with the limiting grooves for limiting are arranged at the tail ends of the elastic walls in a protruding mode; the limiting pipe is arranged in the core rod, can rotate relative to the core rod, and is limited by the core rod in the moving direction of the steel wire; the near end of the outer tube is fixedly connected with the limiting tube, and the far end of the outer tube is rotatably connected with the forceps head assembly. When a user uses the sampling spoon, one hand pulls the steel wire by controlling the finger ring and the sliding ring to achieve the effect of opening and closing the sampling spoon, the other hand can directly rotate the core rod, so that the steel wire can rotate relative to the finger ring and the outer tube to drive the tong head assembly to rotate, gestures do not need to be replaced in the process, operation is convenient, and sampling is efficient.

The utility model relates to the technical field of open-pit coal mine slope engineering investigation, and discloses a weak layer sampling device for open-pit coal mine slope investigation, which comprises a piston cylinder, a sliding block is slidably connected in the piston cylinder, a rubber ring is fixedly connected to the bottom end of the sliding block, and a ground breaking rod is fixedly connected to the bottom end of the sliding block. A motor is fixedly connected into the motor box, the output end of the motor is fixedly connected with an eccentric wheel, the rotating end of the eccentric wheel is rotationally connected with a connecting rod, and the bottom end of the rotating seat is fixedly connected with a knocking block. According to the weak layer sampling device for opencast coal mine slope investigation, through the arrangement of a sliding block, a motor, an eccentric wheel, a connecting rod and a knocking block, the motor in the device drives the eccentric wheel and the connecting rod, so that the knocking block reciprocates up and down in a piston barrel, the sliding block is knocked, and then knocking force is transmitted to a soil breaking rod; the knocking effect is beneficial to crushing soil or rocks, so that sampling is easier.

The utility model discloses a bronchoscopy liquid pumping and sampling device which comprises an annular center frame, and a plurality of sampling mechanisms are assembled and connected to the annular center frame in a sliding mode. The sampling mechanism comprises a long spring, and the outer end of the long spring is fixedly assembled and connected with a spring seat; the spring seat is rotatably connected with a suction sampling part, the suction sampling part comprises a mounting end plate, and a plurality of suction needle tubes are assembled and connected to the mounting end plate; in the sampling process, the suction needle tube is communicated to a suction hose on the bronchoscope for sampling; through the sampling mechanism, in the detection process of the bronchoscope, washing liquid in different trachea branches is sampled separately. By means of the device, in the bronchoscope operation process, tracheal branches with different pathological changes in bronchial tissue are separated and sampled in a very efficient and convenient mode, the difficulty of operation sampling is greatly reduced, and the operation time is effectively shortened.

The utility model relates to a sampling device for excrement filtration. The sampling device comprises a sampling tube, the filter pipe is coaxially connected with the sampling pipe, and an opening is formed in the end, away from the filter pipe, of the sampling pipe; the filtering membrane is arranged between the sampling tube and the filtering tube; the silica gel cover is arranged at the opening, a silica gel circular truncated cone is coaxially arranged on the outer top face of the silica gel cover, and a clamping hole communicating with the inner bottom face of the silica gel cover is coaxially formed in the silica gel circular truncated cone; a sampling part and a clamping part are arranged at the two ends of the sampling spoon respectively, and the sampling spoon is clamped in the clamping hole through the clamping part. The silica gel circular truncated cone is arranged on the outer top surface of the silica gel cover, and the sampling spoon is clamped in the clamping hole of the silica gel circular truncated cone, so that the sampling spoon can be controlled to sample by clamping the silica gel circular truncated cone, the distance between the clamping part and the sampling spoon is reduced, and the sampling is more convenient and simpler.

The utility model provides an on-line sampling device for a filter material of a filter tank, and belongs to the technical field of filter material sampling. The sampling device comprises a sampling rod, one end of the sampling rod is detachably connected with a sampling head, the sampling head comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, a long hole and a sampling hole a are formed in the surface of the inner cylinder, a sampling hole b communicated with the sampling hole a is formed in the surface of the outer cylinder, and a threaded sleeve is arranged at the position, close to the long hole, of the outer cylinder. A positioning pin is in threaded connection with the interior of the threaded sleeve, the positioning pin is inserted into the long hole and is in sliding connection with the long hole, the outer cylinder and the inner cylinder can rotate relatively, and the sampling rod is sleeved with a positioner used for adjusting the depth of the sampling head inserted into the filter material; the problems that part of sampling grooves of an existing sampler cannot collect quartz sand, and the sampling depth is inaccurate due to the fact that the sampling depth needs to be manually controlled are solved.

The invention relates to the technical field of chemical sampling, in particular to a bottle cap assembly and a chemical online sampling device and method. The chemical online sampling device comprises a device body, a working cavity is formed in the device body, the working cavity is sequentially provided with a sampling operation area, a sampling area and a waste liquid collecting area from top to bottom in the height direction, a sampling bottle is arranged at the sampling area, and a bottle cap assembly is arranged at the sampling bottle. According to the invention, the sampling efficiency of chemicals is improved, and the sample is prevented from being polluted by the external environment, so that the accuracy of chemical sample determination is better improved, and the method can be applied to preparation and experiments of high-purity chemicals.

The present application relates to the technical field of electrospray mass spectrometry analysis devices, and in particular to a rapid sampling spray needle device, which comprises a nanospray needle and a nanospray box disposed on the rear end of the nanospray needle; a negative pressure chamber connected to the rear end of the nanospray needle is disposed in the nanospray box, and the cavity wall of the nanospray box at the negative pressure chamber is made of a deformable and restorable material. The present application has the effect of facilitating the nanospray needle to simply and quickly take samples.

The present invention discloses a computer device for monitoring minimal residual disease in multiple myeloma, and belongs to the field of medical care informatics. The technical problem to be solved by the present invention is how to achieve high specificity and / or high sensitivity monitoring of minimal residual disease in multiple myeloma. The present invention provides a computer device, which includes a memory, a processor, and a computer program stored on the memory, and the processor executes the computer program to implement the following steps: S1, receiving TSS relative coverage data of 50 target genes of a multiple myeloma patient to be tested; S2, inputting the data into a multiple myeloma minimal residual disease monitoring model; S3, outputting the probability value of minimal residual disease in multiple myeloma through the model; and then deriving the MRD status of the multiple myeloma patient to be tested based on the probability value. The present invention is used for monitoring minimal residual disease in multiple myeloma.

The invention belongs to the field of molecular biology research of pangolins, and particularly relates to a rapid non-destructive sampling method of Chinese pangolins, which comprises the following steps: scraping oral saliva on the inner wall of the oral cavity of the Chinese pangolins by using a sterilized disposable swab with a cotton swab at the top; the method comprises the following steps: putting a disposable swab adhered with the oral saliva of the Chinese pangolin as a sample into a centrifugal tube filled with DNA (Deoxyribose Nucleic Acid) preserving fluid; and then extracting the DNA of the sample. The method disclosed by the invention has the technical advantages of saving resources, protecting wild animals and quickly and effectively extracting the DNA of the pangolin sinensis.

The utility model discloses an anti-toppling cell culture bottle which comprises a main body assembly, a cell culture bottle cover, a cell culture bottle cover and an anti-toppling cell culture bottle cover, and an anti-toppling assembly, the anti-toppling assembly comprises a rear plate fixed to the rear side of the upper surface of the bottom plate, a limiting groove formed in the rear side wall of the outer surface of the rear plate, a clamping plate slidably connected to the interior of the limiting groove, a threaded rod welded to the upper surface of the bottom plate, a fixing ring in threaded connection to the outer surface of the threaded rod, and a first side plate fixed to the left side of the upper surface of the bottom plate. The circular hole is formed in the outer surface of the first side plate; the sampling assembly comprises a bottle cap which is in threaded connection with the outer surface of the bottle opening. The utility model relates to a cell culture bottle, in particular to a cell culture bottle, which aims to solve the problems of cell morphological change, cell membrane rupture and cell death caused by the fact that various operations need to be carried out on an operation table due to complicated operation and various instruments during cell culture, and cells and a culture solution are mechanically damaged when the cell culture bottle is knocked down and poured due to complicated personnel and carelessness.

This utility model relates to the technical field of stirring devices, and specifically discloses a polyvinyl chloride reaction stirring device, including a discharge pipe and a sampling mechanism including a connecting hole, a connecting pipe, a filter pipe, a filter plate, and a cover plate. Each fixing mechanism includes an insert plate, a groove, a threaded hole, and a screw. Rotating the screw moves it away from the insert plate, at which point the cover plate is pulled to disengage it from the filter pipe. The material flowing in the discharge pipe flows into the pipe formed by the connecting pipe and the filter pipe, and flows out from the opening of the filter pipe. During the material flow, the material comes into contact with the filter plate. If material accumulates on the filter plate, it directly reflects that the material is unqualified, making it easy to detect production problems in a timely manner. At the same time, the staff can test the material flowing out of the opening of the filter pipe. Therefore, it is not necessary to open the tank cover or disassemble the equipment during the sampling process, avoiding the introduction of impurities and ensuring the purity of the material. The sampling process is simple and improves work efficiency.

The present invention discloses a new pollutant cross-media risk collaborative monitoring and early warning system in an urban water system, which relates to the field of pollution monitoring. The system comprises: an acquisition unit: used for acquiring aquatic product information and water inlet information of each target site; a target unit: used for segmenting the water area based on all the water inlet information to obtain a plurality of sub-areas, and obtaining a target area of ​​each sub-area based on a sampler; a sampling unit: used for sampling each of the target areas based on the sampler to obtain a plurality of water samples and a plurality of environmental samples; an analysis unit: used for performing early warning analysis based on all the water samples and all the environmental samples to obtain early warning information; an early warning unit: used for issuing an early warning to the target area based on the early warning information, which can solve the problem that the existing water pollution early warning technology cannot accurately judge the environmental status of the water area, and does not consider the water self-purification capacity of the water area, which may lead to pollution early warning errors.

This utility model discloses a portable device for rapid detection of mastitis in dairy cows, comprising a main body and a storage box. A negative pressure tube is installed at one end of the main body, and a cover is fixedly supported at the top of the negative pressure tube by a stabilizing frame. The output end of the cover is connected to the negative pressure tube via a liquid extraction tube. A detection box is installed on the top of the main body, with one end connected to the negative pressure tube via a liquid inlet tube. A movable tray is installed on the inner side of the other end of the detection box. An odor sensor, a color sensor, and a vision sensor are arranged side-by-side on the top of the detection box, with their detection ends extending above the movable tray. This utility model, through the coordinated operation of multiple sensors, can more accurately identify various abnormal phenomena in milk caused by inflammation, such as clots, flocculent matter, blood streaks, and turbidity. Compared to single detection methods, this multi-dimensional detection approach greatly improves the accuracy and reliability of the detection.

The invention discloses biopsy forceps with a measuring function in the technical field of medical instruments, and the biopsy forceps comprise a probing tube, a sampling assembly and an observation assembly, a first passage tube and a second passage tube are arranged in the probing tube, the probing tube comprises a fixed end, a tube body and an active end, and the top end of the fixed end is communicated with a steering assembly; a sampling assembly is sleeved with the first passage pipe and comprises a sampling pipe, the sampling pipe is attached to the bottom end of the first passage pipe and fixedly communicated with a fixed table, connecting blocks are symmetrically arranged on the side wall of the fixed table, and a plurality of sliding ways are fixedly communicated with the inner side wall of the fixed table; one ends of the connecting blocks are fixedly connected with first springs and driving assemblies, the ends, away from the fixing table, of the connecting blocks are fixedly connected with pincer pieces, and the surfaces of the sides, close to the connecting blocks, of the pincer pieces are provided with scales. The sampling forceps are simple and easy to operate, and the effect that the occupied area of lesion tissue can be directly measured without rotating the sampling forceps during sampling is achieved through the scales arranged on the forceps sheets.

The present invention belongs to the technical field of water sampling and detection, and in particular, relates to an auxiliary device for groundwater stratified pumping test, including a sealing airbag and a pipeline assembly, wherein the pipeline assembly includes an upper connecting pipe, an intermediate connecting pipe and a lower connecting pipe connected in sequence, and the outer walls of the upper connecting pipe and the lower connecting pipe are respectively provided with sealing airbags; an air source distributor is provided on the inner wall of the upper end of the intermediate connecting pipe, and the air inlet of the air source distributor is connected to an air inlet pipe; a plurality of sampling holes are evenly distributed on the circumference of the bottom end of the intermediate connecting pipe; a piston assembly is slidably provided on the inner wall of the intermediate connecting pipe, and the piston assembly is connected to the air source distributor through a spring 1, and the two air outlets of the air source distributor are respectively connected to the sealing airbags at the upper and lower ends through a pipeline 1 and a pipeline 2; the air source distributor also has an adjustable air outlet joint for inflating the inside of the intermediate connecting pipe. The device will not leak water during the diving process, ensuring the accuracy of sampling, and can achieve deeper water sampling operations in a small volume of space.

The chemical processing tank convenient to sample comprises a tank body, the top end of the tank body is movably connected with a tank cover, the bottom end of the tank body is fixedly connected with supporting legs, the bottom end of one side of the tank body is fixedly connected with a liquid outlet valve, and the liquid outlet valve is communicated with the interior of the tank body. According to the chemical processing tank convenient to sample, through the arrangement of a handle, a cover plate, a connecting column, a rubber plug, a sampling barrel, a liquid guide valve and a liquid guide pipe, in the processing process, the cover plate can be pulled to rise through the handle after the liquid guide valve is opened, and the cover plate drives the rubber plug to rise through the connecting column; when the rubber plug is lifted, materials in the tank body are pumped out through air pressure in the sampling barrel and guided into the sampling barrel through the liquid guide pipe, the liquid guide valve is rapidly closed, the materials are left in the sampling barrel, then the rubber plug is taken out, sampling can be conveniently conducted in the sampling barrel, rapid sampling can be achieved, and the sampling efficiency is improved. The problem that sampling is not convenient is solved.

The utility model provides a pre-tank oil quality inspection system. Comprising an oil tank, an oil product conveying main path, a first oil outlet branch and a first sampling branch. An oil outlet is formed in the bottom of the oil tank. The oil product conveying main path is provided with a quality inspection barrel and a first main path valve connected with the quality inspection barrel, the upstream of the oil product conveying main path is connected with the oil outlet through the first main path valve, and the quality inspection barrel is located on the downstream of the oil product conveying main path. The first oil outlet branch is provided with a bottom oil pump and a first oil outlet valve connected with the bottom oil pump, the upstream of the first oil outlet branch is connected with the quality inspection barrel through the first oil outlet valve, and the downstream is connected with the outside through the bottom oil pump. The first sampling branch is provided with a first sampling assembly and a first sampling valve connected with the first sampling assembly, the upstream of the first sampling branch is connected with the oil product conveying main path through the first sampling valve, and the first sampling assembly is located at the downstream of the first sampling branch. The system is simple in sampling process, simple in structure and efficient in oil product detection, improves the stability of sampled oil products, efficiently discharges the oil products and improves the detection efficiency.

The utility model provides an automatic sample culture device which comprises a culture device shell and an environment console, the inner side surface of the culture device shell is fixedly connected with the environment console, a vessel switching mechanism is arranged on the inner side surface of the culture device shell, a self-service sampling mechanism is arranged on the outer side surface of the culture device shell, and the environment console is fixedly connected with the environment console. A device top cover and a vessel switching mechanism are connected to the surface of the top of the culture device shell in a clamped mode, the position of a culture dish can be accurately controlled, accuracy and high efficiency of fixed-point automatic sampling are achieved, a self-service sampling mechanism enables a sampling tool to accurately move to the top of the culture dish through an accurate guide groove and an arc path, and the sampling efficiency is improved. The sampling process is simplified, the accuracy and the stability of sampling are improved, and the effect of improving the repeatability of experiments and the convenience of operation in the medical sample culture process is achieved.

The utility model discloses a sampling device for dermatological department, which belongs to the technical field of skin sampling and comprises a shell, a mounting cavity is arranged at one end of the shell, a moving groove communicated with the mounting cavity is arranged at the other end of the shell, the length of the mounting cavity is larger than that of the moving groove, and a connecting rod is coaxially arranged in the mounting cavity. A push rod connected with the connecting rod is slidably arranged in the moving groove, a flat plate is arranged at the other end of the push rod, the push rod is conveniently pressed and pushed, two limiting holes are formed in the outer circle face of the shell, and the connecting rod located in the mounting cavity is pushed out of the other end of the shell through pushing of the push rod; when the scalpel is used, the pushed connecting rod is locked and fixed, the scalpel is pushed out of the shell to facilitate sampling at the moment, when the scalpel is not used, the connecting rod is unlocked through the locking assembly, the connecting rod is pushed by the reset assembly to be stored in the shell again, meanwhile, the scalpel at one end of the connecting rod is stored, and accidental injury of the scalpel when the scalpel is not used is prevented.