38results about How to "Improve experimental accuracy" patented technology

The invention discloses an automatic segmentation and counting method and system for fundus cells, and the method comprises the steps: preprocessing a fundus cell image, inputting the preprocessed fundus cell image into a deep learning model, and enabling a lightweight coupling segmentation head embedded with an attention mechanism module to be introduced into a YOLOv8-seg cell segmentation model, and carrying out the training, thereby obtaining the deep learning model; the attention mechanism module divides the feature map into G sub-features and sends the G sub-features to two parallel branches, one generates a weighted feature map P1 * 1, the other extracts a feature map P3 * 3, 2D global average pooling is used for global space coding of the P3 * 3 and the P1 * 1, and weights w3 * 3 and w1 * 1 are generated; matrix multiplication is carried out on the feature map and the weight, a cross-space interaction weight is generated, and the weight is multiplied by x element by element to obtain Y which belongs to RC * H * W; according to the method, the RGCs in the fundus model can be automatically and accurately circled.

An oscillating type medical biological experiment multifunctional test tube rack comprises a base and a placing rack, rotating shafts are installed on the two sides of the interior of the base, hook plates are symmetrically and rotationally installed on the peripheries of the two rotating shafts, clamping hooks are symmetrically arranged at the bottom ends of the two hook plates, inclined planes are arranged on the inner sides of the two clamping hooks, and the inclined planes are arranged on the inner sides of the two clamping hooks. A plurality of springs are installed between the top ends of the hook plates and the inner wall of the base, and push rods abutting against the two hook plates are installed on the two sides of the base. The test tubes or the solvent bottles can be stably fixed on the placing rack, the structure is simple, the test tube rack can be quickly buckled on the vortex oscillator in a pressing manner, and a plurality of liquid test tubes or solvent bottles can be oscillated at the same time, so that the oscillation time is saved, the hands of experimenters are liberated, and the experiment efficiency is improved. The uniform mixing degree of solutions in the same batch of liquid test tubes can be ensured, the experiment accuracy is effectively improved, the effect of quick disassembly can be realized, and the oscillation and uniform mixing speed of reagents is greatly accelerated.

The utility model provides a kind of dissolving aid mixing and feeding device, wherein: dissolving aid storage box bottom is equipped with the storage box blanking plug-in board of being able to pull out, the lower part of storage box blanking plug-in board is equipped with dissolving aid subpackaging box;Dissolving aid subpackaging box is equipped with the longitudinal lifting adjusting base plate that can longitudinally slide, with slide between the two, dissolving aid subpackaging box has longitudinal slit, the handle of longitudinal lifting adjusting base plate outwardly extending is equipped with longitudinal slit sealing strip in both sides, longitudinal lifting adjusting base plate moves longitudinally;Turnover device is connected with multiple dissolving aid subpackaging boxes, and the below of guide tube outlet is equipped with a material cup.The utility model has the advantages that: solve the present carbon sulfur analysis instrument dissolving aid manual addition each time and cannot be fixed, easily cause the fluctuation of experimental blank, influence the accuracy and precision of experiment, manual operator workload increases, the shortcomings, such as low experimental efficiency, relatively simple structure, low in cost, experimental blank is stable, improves experimental efficiency and accuracy.

The invention belongs to the technical field of coal rock mechanical property testing, particularly relates to a mechanical testing device and method for coal rock loading, and solves the problems that an existing device is single in function, fragments splash, cleaning is inconvenient, and protection and cleaning are not linked. The device comprises a supporting mechanism, and a modular loading mechanism is detachably mounted on the supporting mechanism and comprises a static extrusion loading module and a dynamic impact loading module; the linkage type protection mechanism is provided with two protection half barrels, and fragments can be prevented from splashing when the two protection half barrels are closed; the sweeping mechanism is started when the protective half barrels are unfolded, a rotating ring drives a Z-shaped plate to rotate, an annular inclined panel is driven to vibrate, and fragments are swept; the device integrates a static extrusion function and a dynamic impact function, so that the equipment utilization rate and the application range are improved; protection and cleaning are linked, safety is guaranteed, cross contamination is avoided, and the experiment accuracy and efficiency are improved.

The invention discloses a construction method and application of a metabolic disorder related fatty liver disease spleen-deficiency mouse model, and relates to the technical field of biological model construction.The construction method is technically characterized in that a liquid medicine containing a large dose of radix rehmanniae recen and radix rehmanniae praeparata or a crude extract of the radix rehmanniae recen and the radix rehmanniae praeparata is added into a high-fat, high-sugar and high-cholesterol feed; an MASLD spleen-deficiency mouse model can be stably induced, and the increase of the weight of the mouse is not influenced; the mouse model is used for research on prevention and treatment of MASLD by traditional Chinese medicine.

This invention relates to an animal behavior detection device and method based on an infrared laser light sheet. The detection device includes a test platform module, an optical path module, an imaging module, and a control module. The test platform module includes a through-hole and a light-transmitting aperture for placing the animal to be tested. The optical path module employs a Powell prism structure, with a one-dimensional laser line generated by the optical path module aligned with the light-transmitting aperture. When the animal behavior detection device is in use, the one-dimensional laser line generated by the optical path module fills the light-transmitting aperture. The imaging module's first camera records changes in reflected light signals, while a second camera uses a beam splitter to record animal behavior. The control module is connected to the first and second cameras, sending trigger signals to them and recording the image data transmitted back by the first and second cameras for subsequent experimental analysis. This invention features a simple and flexible device structure. Parameters such as the light source wavelength and the height of the padding can be adjusted according to the characteristics of the experimental animals.

The present invention provides a fully automatic abdominal withdrawal reflex scoring method and device, including: collecting real-time image data of experimental animals and preprocessing to obtain raw data images, automatically judging whether the current state of the experimental animals is a frequently active state or a resting state according to the raw data images; if it is a resting state, controlling a micropump to slowly inject a set dose of liquid into a balloon, and collecting real-time image data of the experimental animals in a resting state at the same time; preprocessing the collected image data of the experimental animals in a resting state to obtain a number of raw data images; and automatically scoring the abdominal withdrawal reflex of the experimental animals according to the raw data images. The present invention avoids the problems of traditional manual operation and strong subjectivity of manual scoring by automatically timing, automatically injecting, and automatically scoring multiple experimental animals, thereby improving the efficiency of the experiment and the accuracy of the scoring.

The invention discloses a multiple PCR screening method for CYP2C19 genotyping. The multiple PCR screening method comprises the following steps: DNA extraction: extracting a target DNA sample from blood through a lysis method; pCR amplification: mixing the DNA sample, a primer, nuclease, a reaction buffer solution, dNTPs, a fluorescent dye and a fluorescence labeling probe, carrying out PCR amplification, and carrying out electrophoresis detection; s2, putting the PCR reaction solution detected in S2 into a reaction tube, then putting the reaction tube into a fluorescent quantitative PCR instrument, and collecting a fluorescent signal at 75 DEG C; and judging a result. According to the scheme, the detection method is adopted for detection, the obtained detection result is high in stability, and the drug agency conditions corresponding to CYP2C19 genotypes in different human bodies can be rapidly and accurately judged, so that subsequent treatment is facilitated. Through setting of PCR amplification parameters in the scheme, the detection accuracy can be improved, meanwhile, an amplification result test is carried out after amplification, it is guaranteed that all products entering a tester are successfully amplified, and the experiment efficiency and accuracy are improved.

The utility model relates to the field of animal exposure contamination equipment, in particular to an animal gas contamination exposure device which comprises a contamination box body used for placing an animal, and a one-way air inlet valve used for introducing external gas into the contamination box body is arranged on the contamination box body. A one-way gas outlet valve for discharging gas in the contamination box body is arranged on the other side, opposite to the one-way gas inlet valve, of the contamination box body, and the one-way gas outlet valve is communicated with the tail gas treatment box; one side of the contamination box body is provided with a contamination gas generating device, the contamination gas generating device is communicated with the interior of the contamination box body through a gas inlet pipeline and a contamination gas one-way gas inlet valve, and the contamination gas generating device comprises a gas volatilization bottle filled with contamination gas and a heating device used for heating the gas volatilization bottle.

The utility model relates to the technical field of medical experiments, in particular to a test tube of a flow cytometer, which comprises a liquid storage main body and a filtrate component, the filtrate component is arranged on the liquid storage main body, the liquid storage main body comprises a conical glass tube and a PVC (polyvinyl chloride) chassis, the bottom of the conical glass tube is inserted into the circle center of the PVC chassis, and the bottom of the conical glass tube is inserted into the PVC chassis. And an insertion hole corresponding to the bottom end of the conical glass tube is formed in the circle center of the PVC base plate. The design of the test tube not only improves the experiment efficiency and accuracy, but also reduces errors and interference in the experiment process by optimizing the structure and functions, which is particularly important for high-precision experiment equipment such as a flow cytometer and the like. The test tube design of the flow cytometer has remarkable beneficial effects in the aspects of structural stability, sealing performance, operation convenience, filtrate efficiency and experiment accuracy and efficiency.

This invention discloses a digestion apparatus for determining the content of polyisoprene, comprising a steam generating flask, with a conduit connected to the top of the steam generating flask, and a Claisen inductor connected to the end of the conduit away from the steam generating flask. This digestion apparatus provides a reaction site through the steam generating flask, generating stable steam, which is then provided with a uniform heat source via a heating seat to accelerate sample digestion and prevent localized overheating. The steam is then introduced into the Claisen inductor via the conduit. The Claisen inductor enables multifunctional connections, preventing sample loss, improving reaction efficiency, providing safety protection, preventing harmful gas leakage, improving reaction control precision, and ensuring optimal experimental conditions. The digestion flask provides a sealed, high-temperature and high-pressure resistant reaction environment, promoting the complete decomposition of organic matter in the sample and ensuring reaction uniformity and safety.

The utility model relates to wastewater treatment technical field discloses electrolytic water hydrogen production wastewater treatment flocculation reagent dosing experimental device, including raw water storage unit, reagent preparation unit, reaction unit, sampling detection unit and data processing unit, and reaction unit communicates with raw water storage unit and reagent preparation unit, and sampling detection unit is connected with reaction unit, and data processing unit is connected with sampling detection unit signal, the utility model discloses when the flocculating agent of wastewater treatment or operating parameter changes, through sampling detection unit, the instantaneous water quality of reaction unit and mixed water quality and instantaneous effluent water quality and mixed effluent water quality are collected, and then through data collection unit, the experimental raw water consumption in experimental process, reagent dosing amount and water quality of inlet and outlet are exported analysis, through comparing the running mode under different parameters, the reagent dosing combination of economic, reasonable, efficient, stable operation is drawn, and the effluent water quality is more stable, and the operation cost is more economic.

The invention relates to a high-flux high-temperature in-situ X-ray absorption spectrum research device and an operation method thereof, and the device comprises a vacuum furnace module, the top of which is provided with an opening, and two opposite side surfaces of which are respectively provided with an X-ray incident light through hole and a corresponding X-ray emergent light through hole, the optical axes of which are located on the same straight line, a vacuum interface connected with an external vacuum-pumping device is arranged on the other side surface; the heating module extends into the vacuum furnace module through the opening of the vacuum furnace module and is connected with the vacuum furnace module, the heating module comprises a sample rack, a heating element and a thermocouple, and the heating element and the thermocouple are positioned to be adjacent to the sample rack and are used for heating the sample rack and measuring the temperature; the X-ray incident light-transmitting hole and the X-ray emergent light-transmitting hole have a combined shape of an upper semicircle, a lower semicircle and a rectangle, the length of the rectangle in the horizontal direction is equal to the diameter of the semicircles, and the length of the rectangle in the vertical direction is smaller than the diameter of the semicircles, a plurality of grooves for accommodating a plurality of sample chambers are formed in the sample rack, and clearance grooves are formed in the peripheries of the grooves.

The invention relates to a device for quickly testing cement dosage on site, belonging to the technical field of cement testing, comprising a mixer and a measuring device, wherein the mixer comprises an upper tube and a lower tube, wherein the upper tube and the lower tube are detachably connected, wherein the upper tube and the measuring device are detachably connected, wherein a through hole is arranged on a side of the upper tube close to the lower tube, wherein the upper tube and the lower tube are connected through the through hole after being connected, wherein a valve is arranged at the through hole; wherein a push column is arranged on a side of the lower tube away from the upper tube, wherein a side wall of the push column is fitted and slidably connected with an inner wall of the lower tube; wherein the measuring device is a tubular structure with one end blocked, wherein a accommodating test tube is arranged inside the measuring device, wherein an opening is arranged on the accommodating test tube close to an opening end of the measuring device, wherein the opening of the accommodating test tube is arranged opposite to the through hole, wherein the accommodating test tube is used for containing EDTA reagent, wherein scale lines are arranged on the side walls of the accommodating test tube, the upper tube and the lower tube; and wherein the device is highly convenient to use.

This utility model discloses a maintainable chemical reagent and auxiliary agent classification and labeling device, belonging to the technical field of chemical reagent and auxiliary agent dispensing equipment. The classification and labeling device is snapped onto the edge of the opening at the top of a test tube or beaker. The device includes an outer panel with a slot, inside which a transparent baffle is embedded. A slot is formed on the inner side of the outer panel, into which a classification and labeling card is inserted. The name of the chemical reagent or auxiliary agent is written. The inner side of the outer panel is fixed to an outer clamp, and a magnetic suction plate is installed on the inner side of the outer clamp. This auxiliary agent classification and labeling device is easy to assemble and disassemble and can be reused multiple times. It is suitable for test tubes and beakers of different shapes, facilitating the classification and storage of different types of auxiliary agents by laboratory personnel, improving experimental efficiency and accuracy.

The invention discloses an intelligent auxiliary design method for automobile covering parts molds, relates to the technical field of stamping molds, and mainly solves the problem that in the existing mold design process, mold groups made of different materials cannot be distinguished for trial mold verification, resulting in deformation of the mold group during the stamping process, causing large errors in verification results; an intelligent auxiliary design method for automobile covering parts molds comprises the following steps: step one: writing a processing program according to information such as product size and specifications; step two: processing mold groups of different materials; step three: trial mold verification of different mold groups through an auxiliary design device; step four: determining a mold group that meets product requirements; by automatically adjusting the clamping force of the clamping plate in the clamping assembly on the mold group according to the mold groups made of different materials, it is avoided that the mold group is deformed due to excessive clamping force during the stamping process, resulting in errors in the trial mold verification results, thereby improving the accuracy of the experimental results.

The present invention discloses a device for reading the results of coagulation and coagulation inhibition experiments, comprising a box, a light source is arranged at one end of the box; a coagulation plate tilting assembly is arranged corresponding to the light source, the coagulation plate tilting assembly comprises a coagulation plate adapter and two arms; the two sides of the coagulation plate adapter at one end away from the light source are respectively hinged with the two arms; an arm slide rail fixed to the box is arranged corresponding to each arm; the box also comprises a coagulation plate pushing device, the coagulation plate pushing device comprises a lead screw assembly and a motor; an adapter slide rail is fixed in the box, the coagulation plate pushing device can push the coagulation plate adapter to tilt downward along the adapter slide rail to face the light source directly; an image capture device is arranged in the box corresponding to the coagulation plate adapter. The device can automatically tilt the coagulation plate and capture images, avoid safety risks, save time and effort, and reduce result deviations caused by subjective factors.

The present application provides an electromagnetically driven and loaded high-throughput friction tester. By adjusting the height of the electromagnetic driver and changing its driving object, the conversion between linear and rotary reciprocating friction experiments can be realized. Both the driving device and the loading device apply the principle of electromagnetic induction. The driving device generates a periodic alternating driving force of different frequencies and amplitudes by adjusting the current frequency and current value; the loading device obtains a variety of electromagnetic forces by adjusting the current values ​​of multiple electromagnetic induction coils, thereby controlling each force plate to be subjected to different repulsive forces, completing the application of different or the same loads on the surfaces of multiple samples, and realizing the acquisition of high-throughput experimental data. The control system is connected to the data acquisition feedback system. The driving frequency and amplitude can be actively adjusted in the operation interface, and the load value can also be adjusted autonomously. At the same time, the signals of each sensor are collected and stored, and the relevant curves are drawn to realize real-time storage and feedback of data.

The invention discloses a photoelectric micro-fluidic method for automatically generating liquid drops as required, which comprises the following steps: acquiring an image of a reservoir area in a photoelectric wetting micro-fluidic chip, identifying cells in the image, and acquiring central coordinates and sizes of the cells, the sizes including the diameters of the cells; by taking the center of each cell as a reference, generating a light ring with a corresponding size, and moving the cells to the edge of the reservoir area through the light ring; according to the present invention, by combining the deep learning and the photoelectric wetting technology, the automation of the generation and the division of the sub-droplets is achieved, the manual intervention is reduced, and the experiment efficiency and the experiment accuracy are improved.

The present invention discloses a fully automatic steel bar forward and reverse bending test machine, comprising a frame, a hydraulic mechanism, a positioning mechanism and a temperature control mechanism, wherein the positioning mechanism is arranged on the frame for placing steel bars, the hydraulic mechanism is arranged in conjunction with the positioning mechanism for bending steel bars, the temperature control mechanism is arranged on one side of the positioning mechanism for controlling the initial temperature of the steel bars and assisting in feeding and positioning, the temperature control mechanism comprises a temperature-changing component, an auxiliary component and a limiter component, wherein the temperature-changing component is used to change the surface temperature of the steel bars and drive feeding, the auxiliary component is arranged on one side of the temperature-changing component for clamping the steel bars and assisting in feeding, the limiter component is arranged in the discharging direction of the temperature-changing component for limiting the displacement of the other end of the steel bars to avoid leaving the range of the positioning mechanism. The present invention improves the accuracy of the steel bar bending test.

The invention relates to the technical field of laser ablation, and discloses a clamping groove type sample plate tray for an NWR laser ablation device sample pool, which comprises a metal base station arranged at the top of a metal base body, and sliding strips arranged at the two sides of the bottom of the metal base body; the standard sample placing groove is formed in the metal base table and is used for placing a standard sample; the to-be-tested sample limiting grooves are formed in the metal base table and located on the two sides of the standard sample containing groove, and sample plate containing inlet and outlet holes are formed in the side walls of the to-be-tested sample limiting grooves and used for containing square to-be-tested samples; the push-pull sample placing plate is mounted in the to-be-tested sample limiting groove through the sample placing plate inlet and outlet hole, and a sample placing plate bent handle is arranged on the side part of the push-pull sample placing plate; and the to-be-tested sample placing groove is arranged on the push-pull sample placing plate. The clamping groove type sample plate tray is simple in structure, convenient to operate and low in cost, early-stage preparation time of experimenters can be shortened, the experiment efficiency is remarkably improved, a to-be-tested sample and a standard sample are located on the same plane, and the experiment accuracy is improved.

The utility model relates to the technical field of laboratory instrument and equipment, disclose a chemical reagent detects with pipettor suspension support structure, include: as the bottom plate of support main part, the bottom plate is connected with fixed box through rotating component, the inner wall rotation of fixed box is connected with the knob, the knob is connected with screw rod through transmission component, the outer wall screw thread connection of screw rod has the sliding plate, the both sides fixed connection of sliding plate top -end has the connecting plate, the top -end fixed connection of connecting plate has the installation platform. In the utility model, through the knob drive first bevel gear, first bevel gear drive second bevel gear, second bevel gear drive screw rod, screw rod drive sliding plate, sliding plate drive connecting plate, connecting plate drive installation platform, so that can let everybody according to the height of self will pipettor adjust to the ideal height, make operation more comfortable nature, reduce the body fatigue caused by bending or standing on tiptoe, improve work efficiency and experimental accuracy.

The invention relates to a device and method for quantitatively adding turbid liquid, and the device comprises a material storage chamber which is used for temporarily storing the turbid liquid; the feeding chamber is communicated with the storage chamber through a liquid inlet pipeline; the air inlet pipeline comprises a first air inlet branch and a second air inlet branch, the first air inlet branch extends into the material storage chamber, and the second air inlet branch extends into the feeding chamber; and the gas storage unit is connected with the gas inlet pipeline and is internally provided with protective gas. Compared with the prior art, the solid feeding device is simple in structure, easy and convenient to operate, low in cost and capable of effectively guaranteeing the stability of solids in the solid feeding process.

The utility model discloses a double-end burette and relates to the technical field of double-end burettes. The test tube comprises a test tube body, the inside of the top of the test tube body is in contact with a bottle plug, the right side of the test tube body is fixedly connected with a number identification sticker, the left side of the test tube body is provided with a small test tube sleeve, the right side of the test tube body is provided with a large test tube sleeve, and the left side of the test tube body is fixedly connected with a small test tube outlet. The bottom of the test tube body is fixedly connected with an adjusting ring, the bottom of the adjusting ring is fixedly connected with a small test tube outlet, the right side of the adjusting ring is in threaded connection with a sealing ring, and the left side of the sealing ring is fixedly connected with a first spring. The bottom of the test tube main body is closed or opened by arranging the adjusting ball, particularly by stirring the adjusting handle and rotating the adjusting rod through the cooperation of the second spring and the ejector block, and by arranging the first spring, the adjusting ball is in close contact with the interior of the test tube main body, so that leakage is effectively prevented, and meanwhile, the liquid outlet amount can be adjusted.

The application discloses a kind of waste muds's thermal consolidation processing device, including detachable upper box, lower box, loading system, heating system, monitoring system, drainage system, automatic control device are equipped in box;Loading system includes the settlement plate for being arranged at the top of box and being movable up and down, power device for applying vertical load to settlement plate, screwing device for being arranged in lower box and being used to apply circumferential load to mud;Drainage system includes hollow transmission rod, and suction device is connected between screwing blade and lower box wall surface;Monitoring system includes displacement monitoring device, several pore pressure temperature integrated sensors;Automatic control device is used to control the operation of loading system and heating system according to pore pressure temperature integrated sensor value change.The application can realize integrated automatic efficient thermal consolidation, effectively improve consolidation efficiency and data accuracy and stability in consolidation process, achieve the purpose of stable and efficient consolidation treatment of waste mud.

The utility model discloses concrete engineering detection equipment which comprises a bottom plate, one side of the upper surface of the bottom plate is fixedly connected with a supporting plate, one end of one side of the supporting plate is fixedly connected with a fixing plate, one end of the lower surface of the fixing plate is fixedly connected with an air cylinder, and the piston end of the air cylinder is fixedly connected with a detection block. Through the design of the bottom plate, the supporting plate, the fixing plate, the air cylinder, the detection block, the lifting assembly and the displayer, when the device is used, a floor can be placed on a supporting object firstly, a certain gap is reserved at the bottom, then the device is moved, the floor is jacked up through the lifting assembly, and the floor can be detected through the displayer. When the device is jacked to a certain position, the air cylinder is started, the air cylinder drives the detection block to push the floor downwards, when the floor is broken, the pressure on the floor is recorded, the value is displayed on the surface of the display, and the effect that the force borne by the floor can be conveniently tested is achieved.

The invention provides a system and a method for testing thermosetting and shearing characteristics of a non-displacement pile contact interface. The system for testing the thermosetting and shearing characteristics comprises a filter pressing and shearing container, a pressurized grouting and constant pressure device, a pressurization and temperature control device and a shearing loading device. The filter pressing and shearing container comprises a left container main body and a right container main body, and the left container main body and the right container main body are in left-right butt joint and are in sealed connection through a connecting belt to form a filter pressing and shearing cavity; the pressurized grouting and constant pressure device comprises a slurry storage container and a pressure conveyor, and the slurry storage container is communicated with the filter pressing and shearing chamber; the pressure conveyor is communicated with the slurry storage container; the pressurization and temperature control device is arranged on the outer part, close to the left container main body, of the filter pressing and shearing container; and the shear loading device is arranged outside the filter pressing shear container. According to the invention, a reliable experimental means is provided for researching the performance of the non-compaction pile in practical application, and the safety and durability of a building are improved.

The utility model discloses a pump station simulation device for a reduced scale model experiment, which comprises a simulation box, the rear end of the simulation box is fixedly connected with a horizontal fixing rod, and the horizontal fixing rod is in threaded connection with a vertical threaded rod; the detection cylinder is fixedly connected to the lower inner wall of the simulation box, and a water quality detector is arranged in the detection cylinder; the water inlet pump is fixedly connected to the interior of the simulation box, the input end of the water inlet pump is fixedly connected with a first lower bent pipe, the first lower bent pipe penetrates to the exterior of the simulation box, the output end of the water inlet pump is fixedly connected with a first guide pipe, and the first guide pipe penetrates to the interior of the detection cylinder; a mounting and fixing structure of the device is formed by the simulation box, the horizontal fixed rod, the vertical threaded rod and the fixed insertion rod, so that the device can be stably mounted and fixed in an experimental field, and long-term effective operation of the device is facilitated; the internal conveying mode of sample feeding and sample discharging is adopted, the samples can be continuously fed in and discharged out, continuous real-time monitoring can be carried out, and the experiment accuracy of the device is improved.

The present invention relates to a multifunctional brain stereo positioning device, including a fixing mechanism, a three-dimensional positioning mechanism and an auxiliary mechanism, wherein the fixing mechanism, the three-dimensional positioning mechanism and the auxiliary mechanism are all arranged on a bottom plate, the three-dimensional positioning mechanism is arranged above the fixing mechanism, a transverse slide groove is provided on the bottom plate, and the auxiliary mechanism is slidably arranged in the transverse slide groove, and can slide to the top of the fixing mechanism and the bottom of the three-dimensional positioning mechanism. The present invention is scientifically and reasonably designed and convenient to use. The fixing mechanism and the three-dimensional coordinate positioning mechanism are used to fix the experimental mouse, and the three-dimensional coordinates can be accurately and effectively adjusted and fixed. At the same time, a rotating limit plate is provided, which is suitable for drill bits and micro-injections of various specifications, and effectively improves the accuracy and efficiency of the experiment. At the same time, the experimental support unit and the auxiliary unit of the auxiliary mechanism realize the head skin support function of the experimental mouse, and the auxiliary unit is used to realize residual blood collection and experimental mouse heartbeat monitoring. It is an integrated multifunctional brain stereo positioning device with high value and good practical use effect.

The present invention relates to an automatic Western Blot antibody incubation box, comprising a box cover (1) and a box body (2), wherein a liquid reservoir is arranged above the box cover (1), a recovery liquid reservoir is arranged below the box body (2), and the recovery liquid reservoir is placed in a housing (3) with refrigeration and light-shielding functions, and a plurality of partitions (4) are arranged in the box body (2), which divide the box body into a plurality of PVDF membrane storage chambers (7); the liquid reservoir above the box cover (1) is connected to the top of the box cover (1), and the liquid reservoir below the box body (2) is connected to the bottom of the box body (2); the box cover (1) is provided with a primary antibody addition hole, a TBTS addition hole and a secondary antibody addition hole, and the bottom of the box body (2) is provided with an outflow port. Compared with the prior art, the present invention has the advantages of saving human resources, improving experimental accuracy, reducing antibody waste, saving experimental costs, etc.