13results about How to "Improve experimental accuracy" patented technology

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.

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 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 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.

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 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 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 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 utility model belongs to the technical field of license plate experiment equipment, and particularly relates to a license plate high-low temperature experiment device. The clamping mechanism comprises a clamping piece and a driving piece which are oppositely mounted; when an experiment is carried out, the clamping piece and the driving piece are installed in a high-temperature or low-temperature testing environment, and the two ends of the license plate to be tested are clamped and fixed through the clamping frame, so that the stability of the license plate in the testing process is ensured; then the driving unit is started to enable the driving part to rotate, the clamping frame is located on the motion trail of the driving part, so that the driving part can drive the rotationally mounted clamping frame to rotate when rotating, and the license plate in the clamping frame is driven to rotate; each part of the license plate can be ensured to be in uniform contact with the environment temperature in a high-temperature or low-temperature environment, the problems of airflow blocking and non-uniform temperature distribution caused by horizontal placement are avoided, the accuracy and reliability of a test result are further improved, repeated tests caused by non-uniform temperature are reduced, and the experiment efficiency is improved.

The application discloses a preparation method of a concrete DIC three-point notched beam fracture test specimen, and comprises the following steps: selecting a suitable mold according to the size of the test specimen required by the test, and performing pre-test treatment on the mold; pouring concrete into the mold to form the test specimen; cutting a prefabricated crack on the test specimen by using a cutting device after the test specimen reaches a specified curing test specimen; calculating the optimal speckle size of the test according to the DIC instrument parameters and the test specimen height parameters, randomly generating a speckle pattern by using software, and manufacturing a speckle transfer sticker; performing primer spraying by using a matte white self-spraying paint; and transferring the speckle pattern of the speckle transfer sticker to the surface of the test specimen. The preparation method simplifies the tedious process of filling the surface of the test specimen with gypsum and polishing; the prefabricated crack is obtained by cutting, so that the distribution of the aggregate and the admixture in the interior of the concrete during pouring is not affected, and the success rate is high; the DIC speckle is prefabricated on the test specimen by using the speckle transfer sticker, and the operation is simple and the precision is high.