1050 results about "Reagent bottle" patented technology

The invention discloses a laboratory reagent bottle visual identification method and system based on multi-modal perception data fusion. The visual identification method comprises the steps of designing and constructing a multi-modal sensing module on a mechanical arm for operating reagent bottles, fusing multi-modal data, performing reagent bottle type identification and label information extraction by adopting a deep learning visual identification module based on a convolutional neural network and an image segmentation technology, and the like. The data of various sensors are aligned and synchronously processed through time and space coordinates to form complete environment sensing data at the same time point; in the data fusion process, the measurement errors of the various sensors are corrected by adopting a method of combining Kalman filtering and particle filtering. The deep learning visual identification module adopts a multilayer convolutional network model introducing a multi-scale attention mechanism. According to the invention, by integrating various sensor data and adopting a deep learning algorithm, accurate recognition of the reagent bottle is realized.

The invention discloses an in-vitro diagnosis liquid level detection method based on a 60GHz on-chip antenna millimeter wave radar, and relates to the technical field of liquid level detection in the IVD field, and the method comprises the steps: receiving a reflection signal through a sensor, and carrying out the preprocessing; extracting liquid level position data from the reflected signal through a machine learning algorithm; a temperature compensation and calibration mechanism is used for monitoring the temperature in real time and compensating and calibrating a measurement result; a friendly user interface is constructed and developed to feed back the system operation state in real time. The device can be accurate to a micron level, can accurately detect the liquid level height change in a micro cup or a reagent bottle, provides an extremely accurate reference for reagent addition, is greatly enhanced in reliability, is not influenced by factors such as liquid color, transparency, container material and shape, and can be used in a complex and changeable laboratory environment. The device can work stably and accurately under the conditions of temperature, humidity, electromagnetic interference and the like, and effectively avoids measurement errors caused by interference of external factors.

The utility model relates to the technical field of semiconductor production, and particularly discloses a reagent placing assembly, a wet process machine table and an automatic liquid changing system. The reagent placing assembly comprises a supporting piece and a liquid receiving piece, a placing area is arranged on the supporting piece and is used for placing a reagent bottle; and the liquid receiving piece is arranged beside the placing area and is used for receiving drippings of the liquid taking pipe. And a liquid receiving piece of the reagent placing assembly can receive drippings of the liquid taking pipe. According to the scheme, dripping objects can be received through the liquid receiving piece, so that in the process of replacing the reagent bottle, after a bottle cap of the reagent bottle is taken down, the bottle cap can be moved to the position above the liquid receiving piece, the dripping objects of a liquid taking pipe on the bottle cap are received, pollution of reagents to a machine table and the working environment is effectively prevented, and the cleaning burden of workers is reduced.

The invention discloses a liquid storage type micro-fluidic chip and a working method thereof. The chip comprises a chip body, a sealing film and gum, the sealing film and the back adhesive are respectively bonded on the front surface and the back surface of the chip body; a plurality of solution storage cavities are formed in the chip body, outflow runners at the bottoms of the solution storage cavities are connected with corresponding first runners, sealing partition pieces are arranged on the first runners, the outflow runners and the corresponding first runners are blocked through the sealing partition pieces, and the first runners are communicated with second runners through corresponding gum runners. The whole experiment process does not need to be externally connected with a reagent bottle, the purposes of instant detection, preparation and sample separation of the micro-fluidic chip can be achieved, the detection time is greatly shortened, and the experiment steps are simplified. Waste liquid generated in the experiment process flows into the waste liquid cavity, and cross contamination of a laboratory is avoided. The chip provided by the invention can be used for identifying the species of pathogenic microorganisms.

The invention discloses an atomic absorption spectrometer for new material detection, and relates to the technical field of atomic absorption spectrometers, the atomic absorption spectrometer comprises a spectrometer body; a liquid supply mechanism is arranged below the front surface of the spectrograph body, the liquid supply mechanism comprises a liquid supply bearing table, and a liquid supply rotating disc is rotationally arranged in the liquid supply bearing table through a motor; wherein an absorption mechanism is arranged at the lower part in the spectrograph body, the absorption mechanism comprises a liquid taking sliding plate, and a liquid taking corrugated pipe is arranged in the middle of the front end of the liquid taking sliding plate in a penetrating manner. According to the atomic absorption spectrometer for new material detection, a liquid supply bearing table drives a liquid supply rotating disc to rotate, a standard reagent bottle and a solution reagent bottle are borne, a liquid taking sliding plate and a lifting strip plate which slide forwards drive a liquid taking corrugated pipe to move and then descend, and the liquid taking corrugated pipe ascends and descends in a reciprocating mode during rotation; therefore, repeated operation of calibration and detection during detection is realized, and the accuracy of atom detection is improved.

The invention relates to the technical field of chromatographic instruments, in particular to a high performance liquid chromatograph which comprises a chromatographic instrument body, a reagent bottle storage box is fixedly mounted at the upper end of the chromatographic instrument body, a sample injection pipe head is mounted in the chromatographic instrument body, and the upper end of the sample injection pipe head extends into the reagent bottle storage box. A reagent bottle fixing assembly is installed at the bottom of the reagent bottle storage box, a purification assembly is arranged on the side portion of the reagent bottle fixing assembly, and the purification assembly is fixedly installed on the inner side wall of the reagent bottle storage box. Meanwhile, the upper end and the lower end of the reagent bottle are flexibly clamped and fixed, the stability of the reagent bottle in the detection process is guaranteed, meanwhile, a purification structure is matched, air in the storage box can be purified in time, the situation that different reagents are crossed and mixed during detection is avoided, and the accuracy of final atlas data is improved.

The invention discloses a method for rapidly and accurately determining the content of organochlorine pesticides in water, and belongs to the field of organochlorine pesticide content determination, and the method comprises the following steps: adding a regulator into a water sample, uniformly shaking, adding a substitute, and uniformly shaking again; adding sodium chloride into the water sample treated in the step S1, putting the water sample into a liquid-liquid extraction oscillator, and oscillating until the water sample is completely dissolved; s2, adding an extracting agent into the water sample treated in the step S2, vigorously oscillating, standing for layering, putting the lower-layer water sample into a reagent bottle, transferring an upper-layer extracting solution into a drying column, washing and dehydrating, and then transferring into a concentration bottle; the step S3 is executed again on the remaining water sample in the step S3; and S4, combining the eluents in the steps S3 and S4, transferring into a full-automatic nitrogen blowing instrument, concentrating to 1ml, adding an internal standard solution, and performing gas chromatography-mass spectrometer analysis after volume metering to obtain the content of the organochlorine pesticide in the water sample. The method has the beneficial effects that the method has the advantages of high efficiency, rapidness and accurate detection, and the method is simple to operate, low in cost and high in concentration efficiency and recovery stability.

The invention discloses an automatic electrochemical experiment platform, and relates to the technical field of electrochemical experiments. The powder cylinder frame is suitable for placing a powder cylinder; the sample bottle box is suitable for placing a sample bottle; a solid sample adding device; the liquid sample adding device is communicated with the liquid reagent bottle; a dissolving assisting device; a sampling device; the micro-channel flowing electrolytic tank is communicated with the sampling device; the electrochemical measuring device is electrically connected with the micro-channel flow electrolytic tank; the mechanical arm is suitable for moving the sample bottle among the sample bottle box, the solid sample adding device, the liquid sample adding device, the dissolving assisting device and the sampling device and is suitable for moving the powder barrel between the powder barrel frame and the solid sample adding device. The automatic electrochemical experiment platform provided by the embodiment of the invention has the advantages of high automation degree, high experiment efficiency, convenience for realizing high-throughput and standardized experiment requirements and the like.

The invention relates to the technical field of food detection equipment, in particular to a food processing heavy metal detection device and method. According to the technical scheme, the atomic absorption spectrometer comprises an atomic absorption spectrometer body and reagent bottles arranged in a straight line, the atomic absorption spectrometer body is provided with a conveying pipe for conveying reagents in the reagent bottles, and the atomic absorption spectrometer further comprises a drawer groove formed in the bottom of the atomic absorption spectrometer body. Through the design of the structures of the atomic absorption spectrometer body, the clamping seat mechanism, the transmission mechanism, the clamping rod mechanism and the like, the falling risk caused by careless touch of the reagent bottle is avoided, the reagent bottle and laboratory equipment are protected, the risk of reagent leakage is reduced, and the safety and accuracy of experimental operation are ensured. And a plurality of reagent bottles in the supporting pulling block move in a reciprocating manner in order, so that the reagent bottles are prevented from being disordered or mistakenly poured during use, the taking process is optimized, the operation time and errors are reduced, and the smoothness of the whole workflow is improved.

The liquid path system comprises a gas supply unit, a liquid supply unit, a liquid mixing unit, a gas-liquid path switching unit, a main flow channel unit and a waste liquid collecting unit, and the gas supply unit comprises a gas storage device, a main gas path assembly, a reagent bottle gas path assembly, a liquid mixing bottle gas path assembly, a high-pressure purging gas path assembly and a low-pressure purging gas path assembly; the liquid supply unit comprises a plurality of main reagent bottles and a plurality of transition bottles; the liquid mixing unit comprises a target liquid mixing bottle connected with the liquid mixing bottle gas path assembly, and a liquid inlet of the target liquid mixing bottle is connected with at least two transition bottles; the gas-liquid path switching unit is connected with a liquid outlet of the target liquid mixing bottle, the target transition bottle and the low-pressure purging gas path assembly. The main flow channel unit comprises a sealed reaction cavity connected with the gas-liquid path switching unit through a multi-path liquid separator, and a liquid inlet of the main flow channel unit is provided with a multi-way electromagnetic valve connected with the high-pressure purging gas path assembly. According to the liquid path system, different reagents can be switched without cross contamination, and a plurality of areas can be communicated at the same time for chemical reaction.

The utility model belongs to the technical field of detection, particularly relates to an ethanol derivative detection device, and aims to solve the problems that a test tube is oscillated by shaking a wrist to accelerate mixing of solutions, the next step cannot be prepared in the process, and the wrist of a tester is damaged by long-time shaking, and the ethanol derivative detection device comprises a base, the alcohol lamp is arranged at the top of the base, the reagent bottle is arranged at the top of the base, the supporting frame is fixedly connected to the top of the base, and the test tube rack is fixedly connected to the top of the base. Meanwhile, an oscillating assembly capable of automatically swinging left and right in a reciprocating manner is arranged, so that wrist injury of a tester caused by long-time swinging is avoided, reagent solution mixing is accelerated, two hands are liberated, the tester can prepare for the next operation step, and the testing speed is increased.

The utility model relates to the technical field of auxiliary clamping tools for chemical product detection, in particular to an auxiliary clamping tool for chemical product detection, which comprises a tool main body and guide grooves, the top end of the tool main body is provided with three groups of guide grooves, and the three groups of guide grooves are annularly distributed at equal intervals; the device has the beneficial effects that a bevel gear rotates reversely to drive a fluted disc, a connecting disc and arc-shaped rails to rotate forwards, three sets of arc-shaped rails rotate reversely to drive three sets of sliding frames to move, the sliding frames slide on the inner sides of a guide groove and the arc-shaped rails, the three sets of sliding frames drive three sets of clamping plates to move, and the three sets of clamping plates clamp chemical product detection reagent bottles; according to the chemical product detection test reagent bottle auxiliary clamping tool, by arranging the three sets of arc-shaped rails, the three sets of sliding frames and the three sets of clamping plates, the auxiliary clamping tool can be adjusted, the auxiliary clamping tool can clamp chemical product detection test reagent bottles of different sizes, and then the safety, efficiency and precision of chemical products in the detection process and the comfort degree of an operator can be improved.

The utility model provides an ELISA (Enzyme Linked Immunosorbent Assay) kit which comprises a kit body and a kit cover, a partition plate is fixedly connected to the top of the kit body, a drawer is embedded and inserted into the kit body, the top of the partition plate is fixedly connected with a supporting plate through a spring, an insertion plate is fixedly connected to the bottom of the supporting plate, the insertion plate and a limiting plate are correspondingly distributed, and the kit cover is attached to a placing mechanism. And the placing mechanism is fixedly mounted on the top surface of the supporting plate. The kit body is used for placing elisa plates and other reagent bottles, separate storage can be achieved, meanwhile, the reagent bottles are stored and fixed, the stability in the carrying process is ensured, the damage problem is avoided, the elisa plates can be conveniently taken and used by arranging the drawer, the elisa plates can be conveniently stored by utilizing the supporting plate and the placing plate, and the kit is convenient to use. According to the ELISA kit, the drawer can be unlocked by opening the kit cover, and the pressing plate on the kit cover can be used for pressing and storing the ELISA plate, so that the stability of the ELISA plate in the carrying process is ensured, various articles are convenient to take and place, and the use convenience of the ELISA kit is improved.

The utility model discloses a one-step fluorescent quantitative PCR (Polymerase Chain Reaction) kit which comprises a kit body and a kit cover, the kit body and the kit cover are mutually clamped, fixing parts for fixing reagent bottles are arranged in the kit body and the kit cover, buffer parts for buffering the reagent bottles when the reagent bottles are vibrated are arranged on the fixing parts, and the buffer parts are arranged on the kit cover. The fixing parts are arranged in the kit cover and the kit body, the buffering parts are arranged in the fixing parts, reagent bottles can be fixed and buffered from the two ends, the buffering effect is improved, and the kit cover and the kit body are connected in a clamped mode so that sealing and taking can be convenient.

The invention relates to the technical field of biology, and discloses a tumor liquid biopsy kit based on a microfluidic technology, the tumor liquid biopsy kit comprises a detection main body, the upper side of the detection main body is provided with a biopsy kit main body, the upper side of the detection main body is provided with a filtering mechanism, and the rear side of the detection main body is provided with a placing mechanism; a heating mechanism is arranged on the inner side of the detection main body, and a plurality of groups of buckling mechanisms are arranged on the right side of the detection main body; the filtering mechanism comprises a stand column, the stand column is arranged on the upper side of the detection body, a plurality of annular grooves are formed in the outer side of the stand column, and four clamping grooves are formed in the lower sides of the annular grooves at equal intervals. Blood impurities and thrombus can be removed through a multi-layer filter by filtering, sample components can be fully mixed by stirring, a reliable result is guaranteed, a reagent bottle placed in a folding manner is convenient to carry, a silica gel cylinder can be stored, and a heating mechanism consists of a controller and a heating pipe, so that the temperature requirement of detection is met, and the process and the result are guaranteed.

The utility model relates to the technical field of chromatographic instruments, in particular to a high-precision liquid chromatograph which mainly comprises a placement assembly fixedly mounted at the top end of a chromatographic instrument body, a position adjusting assembly is clamped on the inner side of the placement assembly, and extrusion buffer assemblies are fixedly mounted on the left side and the right side of the position adjusting assembly; the clamping adjusting assembly is fixedly connected to the inner side of the extrusion buffering assembly, and the stable adjusting assembly is fixedly installed at the bottom ends of the left side and the right side of the chromatograph body and makes contact with the ground to be adsorbed and fixed. According to the high-precision liquid chromatograph, position adjustment is carried out through sliding of the position adjusting assembly in the placing assembly, telescopic extrusion adjustment is carried out through the extrusion buffering assembly arranged on the inner side, the clamping range of the inner side can be controlled, reagent bottles can be conveniently fixed in multiple ranges in cooperation with the multi-size detachable design of the clamping adjusting assembly, and the stability of the high-precision liquid chromatograph is improved. And the stable adjusting assembly is used for connecting and fixing, and pressing adsorption can be adjusted in the using process.

The multipurpose oscillator comprises a base, a bearing table is arranged on the upper surface of the base in a sliding mode, the bearing table is of a cuboid structure with an opening in the upper surface, and a control mechanism of the bearing table is arranged in the base. A control mechanism in the base controls the bearing table to slide on the upper surface of the base in a reciprocating mode, a clamping structure is arranged above the bearing table, and the clamping structure is provided with a detachable clamping plate so that reagent bottles of different heights can be clamped. According to the multi-purpose oscillator based on oscillation state self-locking, the clamping plates and the bearing table are arranged in a split mode, the connecting blocks on the side surfaces of the clamping plates are connected with the supporting rods on the surface of the bearing table, synchronous movement of the clamping plates and the bearing table is guaranteed, meanwhile, dismounting of the clamping plates and the bearing table is facilitated, and therefore cleaning of the bearing table is facilitated.

The invention discloses a full-automatic intelligent physical and chemical detection work station, relates to the technical field of biological fluid purification and extraction, and solves the problems of poor procedure connection and low detection efficiency of physical and chemical detection of body fluid. The test tube rotating module comprises a rotatable rotating table, a plurality of clamping mechanisms respectively used for clamping test tubes with different diameters, a pushing and pressing mechanism matched with one of the clamping mechanisms, and a loosening mechanism for controlling the clamping mechanisms to loosen the test tubes; the reagent rotating module is located below the test tube rotating module, the reagent rotating module comprises a rotatable rotating disc, and a plurality of placing positions for placing reagent bottles are arranged in the circumferential direction of the rotating disc; and at least one lifting mechanism. According to the invention, all procedures of purification operation of biological fluid can be seamlessly connected, the types of reagents can be automatically selected according to different types of the biological fluid, and the efficiency of physical and chemical detection is greatly improved.

The utility model relates to the technical field of experimental equipment, and provides a reagent adding device which comprises a peristaltic assembly, an air pump, a first switch valve and a controller, the peristaltic assembly comprises a peristaltic pump, and an inlet of the peristaltic pump is communicated with a reagent bottle through an input pipe; an outlet of the peristaltic pump is communicated with the sample cup through an output pipe; an inlet of the air pump is communicated with air, and an outlet of the air pump is communicated with an inlet of the peristaltic pump through an exhaust pipeline; the first switch valve is arranged on the exhaust pipeline; the peristaltic pump, the air pump and the first switch valve are electrically connected with the controller, the controller controls the peristaltic pump to operate based on a target value, and after the target value is reached, the controller controls the peristaltic pump to stop, the air pump to start and controls the first switch valve to open. By controlling the operation of the peristaltic pump, the air pump and the first switch valve, the reagent adding amount can be accurately controlled, the reagent is prevented from being retained in the peristaltic pump and the output pipe, and the reliability and the accuracy of the reagent adding process are improved.

The utility model provides an automatic spin-coating film preparation machine, which comprises a substrate table, a reagent bottle table, a gun head table, a reagent bottle positioning device, a spin coater, a glue baking machine, a liquid adding carrier, a slide rail assembly and a controller, the substrate table, the reagent bottle table and the gun head table are respectively used for placing one or more substrates, reagent bottles and pipette heads, the reagent bottle positioning device, the spin coater, the glue baking machine, the liquid adding carrier and the sliding rail assembly are electrically connected with the controller, and the liquid adding carrier is connected with the sliding rail assembly. The liquid adding carrier is used for carrying the substrate to the spin coater, carrying the reagent bottle to the reagent bottle positioning device, opening a bottle cap, assembling the pipette tip, sucking a reagent in the reagent bottle and dropwise adding the reagent to the substrate, and the spin coater is used for spin-coating the substrate after the reagent is dropwise added. The liquid adding carrier is further used for carrying the substrate subjected to spin coating to the glue baking machine, and the glue baking machine is used for heating the substrate subjected to spin coating so that the reagent can be cured to form a thin film.

The utility model discloses a portable multi-parameter water quality detection and analysis combined device which comprises a box body, a box cover is hinged to one side of the box body, a clamping mechanism is installed on the other side of the box body and matched with the box cover, a water quality detector body is installed in the box body, and a water quality detector is installed in the box body. A test tube fixing area, a reagent bottle storage area, a printing area, a detection area, a colorimetric area and a display area are arranged on the water quality detector main body, a plurality of fixing assemblies are arranged on the test tube fixing area, each fixing assembly comprises a fixing disc and a rotating disc rotationally connected with the fixing disc, and a fixing block for fixing a test tube is hinged to the rotating disc; a residual chlorine detection electrode, a pH detection electrode, a conductivity detection electrode and a dissolved oxygen detection electrode are arranged in the detection area, a plurality of uniformly distributed colorimetric grooves are arranged in the colorimetric area, and colorimetric tubes are arranged in the colorimetric grooves. The portable multi-parameter water quality detection and analysis combined device is simple in structure, convenient to carry, diversified in function and capable of detecting various parameters of water quality.

The invention discloses a constant temperature incubation shaker device, which belongs to the field of biology and comprises a shell made of heat-insulating material and a reagent bottle; a sealing door is hinged on the shell, a base is arranged inside the shell, a first servo motor is arranged on the base, and a tray is arranged on the output end of the first servo motor; an elastic bellows with a bottom opening is movably arranged inside the shell, a catheter is inserted on the side wall of the elastic bellows, and the catheter is used to extract the liquid in the elastic bellows; a limit frame is arranged inside the elastic bellows, and the limit frame is used to limit the bottom position of the catheter, and a control component for controlling the movement of the elastic bellows is arranged inside the shell, wherein the central axis of the elastic bellows is offset from the central axis of the reagent bottle; by arranging the elastic bellows, the catheter and the control component; the liquid at the bottom layer in the reagent bottle can be extracted to the top of the liquid at the top layer, thereby improving the mixing effect, and at the same time, during the extrusion and recovery process of the elastic bellows, the liquid can be driven to shake through the relative displacement between two adjacent wave peaks, thereby further improving the mixing efficiency.

The invention discloses a molecular interaction analyzer with a liquid level monitoring function. Relates to the technical field of molecular interaction analyzers. The analysis assembly comprises a detector, a signal processor and a display screen; the reagent conveying assembly comprises a base, a placement frame, reagent bottles and a distribution pump, the base is connected with the side wall of the box body, a plurality of placement grooves are formed in the placement frame, the reagent bottles are placed in the placement grooves, the distribution pump is connected with the detector through a sample feeding hose, and the reagent bottles are connected with the distribution pump through a sampling hose; the liquid level monitoring assembly comprises a capacitive sensor and an electrode, the capacitive sensor is electrically connected with the signal processor, the electrode is connected with the capacitive sensor through an electric wire, an adhesion layer is arranged on the electrode, and the electrode is tightly attached to the side wall of the reagent bottle. By arranging the liquid level monitoring assembly, accurate measurement of a reagent can be ensured, overflow or insufficiency is prevented, and therefore the monitoring reliability and the automation degree are improved.

The utility model discloses a split charging device for producing a magnetic particle reagent. The split charging device comprises a speed-adjustable shaking table and a peristaltic pump, the shaking table comprises a base, a supporting plate is installed on the upper side of the base, a plurality of triangular flasks capable of containing magnetic particle reagents are installed on the upper side of the supporting plate, the supporting plate is provided with supporting tables corresponding to the triangular flasks, the supporting tables are provided with clamping arms for clamping the triangular flasks, and arc-shaped clamping pieces are installed at the ends of the clamping arms and abut against the side walls of the triangular flasks for clamping. A prepared magnetic particle reagent to be subpackaged is placed on a supporting table and fixed through a clamping arm, a disposable clean hose is used for communicating a reagent bottle with a peristaltic pump, parameters such as the flow speed, the volume and the interval time of the peristaltic pump are adjusted, after debugging is completed, a horizontal shaking table is started for gentle and uniform mixing, and the peristaltic pump is started after complete uniform mixing. And constant subpackaging can be carried out downstream according to set subpackaging parameters, and human intervention on the device is not needed in the midway.

The invention relates to a method for using a choline eutectic solvent as a carbon dioxide absorbent. A choline eutectic solvent is used in the method. Wherein the choline eutectic solvent is prepared by mixing choline chloride (ChCl) and ethanolamine (MEA) according to a molar ratio of 1: 5. Placing the round-bottom flask filled with ChCl and MEA in a constant-temperature magnetic stirring oil bath pan, and heating and stirring for more than 3 hours at the temperature of 100 DEG C; and after a uniform and transparent solution is formed in the flask, taking out the solution from the oil bath pan, and standing to room temperature. Transferring into a reagent bottle, and pasting a label for later use. The choline deep-eutectic solvent is simple in preparation method and low in toxicity, and is an efficient carbon dioxide absorbent.

The utility model discloses a device for studying the dynamic release of VOCs components and the function of soil or microorganisms, which comprises a first air pump and a second air pump, an air flow divider is arranged at the air outlet of the first air pump, and the air flow divider is respectively connected with the air inlet of the second air pump through a processing channel and a contrast channel; a first filter, a first screw gas washing bottle, a first up-down mouth reagent bottle, a first sampler, a first cultivation bottle and a second sampler are sequentially arranged on the treatment channel, the first up-down mouth reagent bottle is used for containing microorganisms or soil, and the first cultivation bottle is used for cultivating plants; a second filter, a second screw gas washing bottle, a second up-down mouth reagent bottle, a second cultivation bottle and a third sampler are sequentially arranged on the contrast channel, the second up-down mouth reagent bottle is an empty bottle, and the second cultivation bottle is used for cultivating plants. The device can monitor and compare plant morphological changes, rhizosphere VOCs component changes and rhizosphere microbiome changes in real time, wherein the plant morphological changes, the rhizosphere VOCs component changes and the rhizosphere microbiome changes are generated by soil or microorganisms.

The utility model discloses a catecholamine reagent packaging box which comprises an outer box body and a lining body. The lining body is of a three-layer structure which is a supporting layer, a second bracket layer and a third bracket layer. Limiting fixing holes are correspondingly formed in the third bracket layer and the second bracket layer, are distributed in a matrix form, and are divided into centrifugal tube limiting fixing holes and glass bottle limiting fixing holes. The outer box body is combined with the specially-designed lining body to package catechol reagents, and the catechol reagent packaging box has the advantages of being good in damping and dustproof effect; moreover, the centrifugal tube limiting and fixing holes in the lining body adopt different aperture design, and the glass bottle limiting holes adopt saw-toothed round hole design, so that the fixing effect is good, the reagent bottle is prevented from being damaged due to collision, the storage and transportation of the reagent are facilitated, and the safety is improved. The limiting fixing holes are distributed in a matrix manner, so that a user can take out conveniently without making mistakes, and the working efficiency is improved.

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 the field of air detection technology, and specifically discloses a formaldehyde sampling device, including a sampling box, in which a sampler and an accessory box are arranged; a plurality of absorption bottles are installed on the sampler, and a detachable sealing cover is arranged at the connecting port of the absorption bottle, and a quantitative reagent powder is sealed in the absorption bottle; a connecting tube, an air inlet needle, and a plurality of reagent bottles are collected in the accessory box, and a quantitative distilled water is contained in the reagent bottle, and the connecting tube can connect the air inlet on the sampler and the side opening of the absorption bottle; when the distilled water is poured into the absorption bottle, one end of the air inlet needle extends into the absorption bottle and the opening is located below the liquid level, and the other end of the air inlet needle is arranged outside the absorption bottle and is sealed and connected to the absorption bottle. With the device of the present invention, ordinary operators only need simple operations to complete the configuration of the absorption liquid and the simple assembly of the connecting tube, the air inlet needle, and the absorption bottle, and then complete the collection of formaldehyde samples, thereby improving the possibility of popularizing indoor formaldehyde detection.

The utility model discloses a reagent bottle for drug detection, and belongs to the technical field of drug detection. Comprising a supporting base, a fixed backup plate is arranged on one side of the supporting base, a bearing ring is arranged in the fixed backup plate, a rotating rod is transversely arranged in the bearing ring, and a clamping assembly is connected to one side of the rotating rod. A limiting plate enables a double-toothed plate to controllably slide back and forth in the empty box body to drive a main gear to rotate, the main gear rotates to drive a rotating rod on one side to rotate, and the double-toothed plate reciprocates to directly drive a reagent bottle body clamped in a clamping assembly to oscillate in a reciprocating manner, so that drugs in the reagent bottle body can be stably shaken and mixed; the reagent bottles are prevented from falling off, the auxiliary gear rotates synchronously with the main gear under the movement of the double-toothed plate, and the auxiliary gear mainly plays a role in auxiliary rotation, so that the double-toothed plate can smoothly move back and forth.