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529 results about "Microscopic observation" patented technology

Microscopic Observation Drug Susceptibility assay. The Microscopic Observation Drug Susceptibility assay (MODS) is a culture method shown to be more sensitive, faster and cheaper test than current culture-based tests for Tuberculosis.

Device and testing method for fracture deformation-seepage cross-scale visualization experiment

The invention provides a fracture deformation-seepage cross-scale visualization experiment device and a test method, and relates to the technical field of hydraulic rock mechanics and measurement. Comprising a macroscopic observation assembly, a microscopic observation assembly, a microscopic seepage model, a temperature-stress-seepage loading system, a monochromatic coaxial light source and a data acquisition and analysis system, the microscopic seepage model is used for placing a fractured rock mass; the temperature-stress-seepage loading system is used for injecting fluid with fluorescent microspheres into the microcosmic seepage model, applying load, regulating and controlling temperature and collecting data; the data acquisition and analysis system is used for processing data and images. By arranging the macroscopic observation assembly and the microcosmic observation assembly, double-scale synchronous observation is achieved, the whole process of fracture internal fluid interface evolution and rock mass deformation can be obtained in real time under the multi-physics field coupling conditions of temperature, stress, seepage and the like, visual correlation of deformation, flow and stress is achieved, and the measurement accuracy is improved. And an experimental basis is provided for establishing a fracture multi-field coupling mechanism model.
Owner:TIANFU YONGXING LAB

Device for preparing tuning fork type scanning probe microscope probe

The invention relates to a device for preparing a tuning fork type scanning probe microscope probe, the device is composed of a base, a tuning fork fixing frame, a needle tip clamping frame, a dispensing support, a microscopic observation instrument and a laser cutter, and the tuning fork fixing frame, the needle tip clamping frame, the dispensing support, the microscopic observation instrument and the laser cutter are all fixedly installed on the base. The laser cutter comprises a laser device base and a laser device, and the laser device is installed on a lifting support of the laser device base, located over the quartz tuning fork fixing frame and used for cutting the bonded needle tip in a non-contact mode. The device provided by the invention solves the problems that the tip is easy to damage during the bonding of the tuning fork probe and the performance of the quartz tuning fork probe is reduced because the tip is too long, thereby improving the reliability of the manufactured tuning fork type scanning probe microscope probe.
Owner:CHINA JILIANG UNIV

Joint analysis method for organic matter types and micropore development characteristics in rock

The invention relates to the technical field of energy exploration analysis, in particular to a conjoint analysis method for organic matter types and micropore development characteristics in rocks, which comprises the following steps: step 1, drying a blocky or granular rock sample, and performing cold inlaying by using epoxy resin mixed with conductive powder to prepare a cylindrical sample; 2, after the cylindrical sample is demolded, first-time mechanical polishing is carried out; 3, marking the surface of the sample by using an etching objective lens when the sample is observed by a microscope; 4, performing secondary mechanical polishing and argon ion polishing on the sample obtained in the step 3; and 5, carrying out rapid positioning observation by using the scanning electron microscope navigation photo and the marked sample photo. The mark etching method is applied to organic matter microscopic observation marking, after the secondary treatment process is completed, various scanning electron microscope analysis can be carried out on the sample, and multi-scale and multi-characteristic analysis technology combination from the micron level to the nanometer level is achieved.
Owner:NAT RESERACH CENT OF GEOANALYSIS

Submicron micro-fluidic experimental device under high-temperature and high-pressure conditions and use method of submicron micro-fluidic experimental device

The invention relates to the technical field of microscopic observation, and discloses a submicron micro-fluidic experimental device under high-temperature and high-pressure conditions and a use method of the submicron micro-fluidic experimental device. The heating insulation sleeve wraps the observation device chamber main body; the chamber main body upper gland is arranged above the observation device chamber main body; the water circulation cavity is arranged above the upper gland of the cavity main body in a sealing manner; the microscopic observation opening is formed above the water circulation cavity; the rotary bearing is arranged on the outer wall surface of the microscopic observation opening and is positioned in the water circulation cavity; the microcosmic chip is arranged in the microcosmic chip holder; the microscopic chip holder is arranged on the side surface of the observation device chamber main body; the water circulation temperature detection and flow velocity controller is connected with a water cooling circulation outlet of the water circulation cavity and the rotating bearing through a pipeline and an electric wire. And the water cooling device is respectively connected with the water circulation temperature detection and flow velocity controller and the water cooling circulation inlet through pipelines. According to the invention, high-precision microfluidic visualization experiments can be carried out under high-temperature and high-pressure conditions.
Owner:SOUTHWEST PETROLEUM UNIV

A method for analyzing the fracture of high-cr steel or alloy cracked in high-temperature environment

This invention discloses a method for analyzing the fracture surface of high-Cr steel or alloy steel that cracks in a high-temperature environment. The method involves cutting a metallographic sample at the crack tip of a crack-containing block, polishing it, visually observing the crack morphology, and analyzing the composition of corrosion products on the sample. The sample is then etched with an etchant, and the relationship between the crack direction and the microstructure of the sample is observed under a metallographic microscope to obtain the crack metallographic test results. The remaining crack in the crack-containing block is opened, and the macroscopic features of the fracture surface are visually observed. The microscopic features of different regions of the fracture surface are observed using a scanning electron microscope, and the composition is tested to obtain the micro-region composition. The surface corrosion of the fracture surface is removed using an electrostatic descaling method, and the microscopic features of different regions of the fracture surface are observed under a scanning electron microscope. Based on the crack metallographic test results, the macroscopic and microscopic features of the fracture surface, and the micro-region composition, the cause of the cracking is determined. This invention provides a complete analytical procedure, yields abundant information, and effectively analyzes the causes of component cracking.
Owner:XIAN THERMAL POWER RES INST CO LTD

Etching agent and method for displaying microstructure of high-temperature alloy GH6159

The invention relates to an aggressive agent and method for displaying a microstructure of a high-temperature alloy GH6159. The aggressive agent is prepared from 0.5-1 g of zinc nitrate, 60-80 ml of hydrochloric acid, 7-10 ml of sulfuric acid, 80-100 ml of absolute ethyl alcohol and 15-20 ml of glycerinum. The display method of the microstructure of the high-temperature alloy GH6159 comprises the following steps: (1) preparing an aggressive agent; (2) preparing a sample; (3) sample erosion; (4) cleaning the sample; and (5) observing with a metallographic microscope. The aggressive agent provided by the invention is simple to prepare and convenient to use, the obtained crystal boundary is clear and complete, and the aggressive agent is very easy to popularize and use in laboratories.
Owner:HEBEI DAHE MATERIAL TECH CO LTD +2

Calibration system and method for integrated optical phased array chip

A calibration system and related methods for optical phased array chips. The calibration system includes an adjustable mount module, an infrared microscopic observation module, an arrayed driver module, a two-dimensional laser beam scanning module, a photoelectric conversion module and an upper computer, and utilizes computer-vision-enabled positioning and phase error compensation algorithms as software components. Collimated laser is emitted from the target beamforming angle and aimed at the emission aperture of the chip, and is subsequently sampled by the array elements in a reversed injection manner. Based on the reciprocity of light propagation, by maximizing the power reversely output from the bus waveguide of the optical phased array chip, beamforming at the target angle is achieved supported by software implementations of optimization algorithms. The system and related methods are readily achievable, highly automated, and offers fast and batch calibration with relatively low expenses, good flexibility and long-term compatibility.
Owner:SHANGHAI JIAOTONG UNIV

Microscope fluorescence optical filter switching device

The utility model discloses a microscope fluorescent light filter switching device, which relates to the technical field of biological experiment instruments and comprises a lens switching mechanism, a lens butt joint mechanism and a fluorescent light source assembly. A plurality of fluorescent light filters on the microscope body are arranged on the lens switching mechanism, and the lens switching mechanism is arranged between an eyepiece and an objective lens on the microscope body through the lens butt joint mechanism and the fluorescent light source assembly. The fluorescent light filter switching device is simple in structure and convenient to use, can rapidly switch a plurality of fluorescent light filters, effectively improves the efficiency and precision of fluorescent microscopic observation, reduces the risk of damage of the light filters, and is suitable for various fluorescent microscopic experiments.
Owner:THE FIRST AFFILIATED HOSPITAL OF HAINAN MEDICAL UNIV

A bridge crack identification and detection system and method based on drone

The invention discloses a bridge crack recognition and detection system and method based on an unmanned aerial vehicle. The detection system comprises an unmanned aerial vehicle, an unmanned aerial vehicle route design and route planning unit, an unmanned aerial vehicle safe flight unit, an image acquisition and processing unit, a crack recognition and analysis unit, and a crack information data output unit. When in use, the system can formulate reasonable flight routes for different bridge crack recognition and detection tasks and recognition and detection parts. At the same time, when flying in a sunny area, it can absorb solar energy and increase the working time of the unmanned aerial vehicle. The cracks in the image are recognized and detected by a convolutional neural network, and the width parameter information of the cracks can be calculated. The future development trend of the cracks can be predicted through microscopic observation. Finally, a 3D stereoscopic model view of the bridge is generated, which fully displays the position information and actual parameter information of the cracks, and the cracks are maintained and maintained in a targeted manner. The system has the characteristics of easy use, comprehensive detection and recognition, and high efficiency.
Owner:CHANGAN UNIV

Thermal simulation testing machine sample clamp, cooling device and annealing test method

The invention relates to a thermal simulation testing machine sample clamp, a cooling device and an annealing test method, and belongs to the technical field of metal material plate strip annealing tests in the metallurgical industry. According to the technical scheme, the method comprises the following steps: firstly, clamping a sample on a sample clamp, and then putting the sample clamp into a cavity of a thermal simulation testing machine; vacuumizing the cavity of the thermal simulation testing machine, and forming a protective atmosphere in the cavity; heating the sample to 950-1050 DEG C at the speed of 10-50 DEG C / s, keeping the temperature for 3-5 minutes, then quickly cooling the sample to room temperature by blowing, and recording a temperature curve; and stretching the sample subjected to annealing simulation at room temperature, analyzing test data, and observing a metallographic structure through an optical phase microscope. The device has the beneficial effects that on one hand, the problems of short soaking area and low cooling speed in the existing plate and strip annealing test are solved, the processing requirements of a standard tensile sample are met, on the other hand, tedious Jaw module mounting and dismounting operations are avoided, and the test period is shortened.
Owner:HEBEI DAHE MATERIAL TECH CO LTD +2

Method for evaluating stone carving degradation mode by using hyperspectral imaging technology

As a precious historical cultural heritage, the deterioration mode evaluation of the cultural relic stone sculpture is crucial to protection work. A traditional evaluation method depends on manual observation and detection and is low in efficiency and high in subjectivity. The embodiment of the invention relates to the technical field of cultural relic stone carving degradation mode evaluation, and discloses an innovative method. Firstly, collected samples are subjected to microscopic observation and mineral detection, and degradation characteristics are determined; a portable hyperspectral imaging system is used for collecting and calibrating an image of a to-be-evaluated area, and spectral features are extracted, built into a database and processed; a spectral index screening degradation mode is determined through spectral index analysis and image gray scale response correlation and optimization wavelength combination; a WOA-XGBoost algorithm is adopted to train a model, and a stone carving degradation mode is identified to draw a distribution cloud picture; and calculating a weathering coefficient by combining an X-ray fluorescence spectrum result, and evaluating the degradation degree according to the degradation model proportion and the coefficient in the region. According to the method, intelligent identification and rapid evaluation are realized, the labor cost is saved, and the automatic process of cultural relic stone carving exploration is promoted.
Owner:CHONGQING UNIV

Flow cytometer

The disclosed flow cytometer includes a wavelength division multiplexer (WDM). The WDM includes an extended light source providing light that forms an object, a collimating optical element that captures light from the extended light source and projects a magnified image of the object as a first light beam, and a first focusing optical element configured to focus the first light beam to a size smaller than the object of the extended light source to a first semiconductor detector. The disclosed flow cytometer further includes a composite microscope objective to direct light emitted by a particle in a flow channel in a viewing zone of the composite microscope to the extended light source, a fluidic system and a peristaltic pump configured to supply liquid sheath and liquid sample to the flow channel, and a laser diode system to illuminate the particle in the flow channel.
Owner:BECKMAN COULTER INC

Stress gradient analysis method based on directional change of saline inclusion in FIP

The invention belongs to the field of geochemistry and tectonic geology research, and discloses a stress gradient analysis method based on directional change of saline inclusion in FIP. According to the method, the size, shape and distribution characteristics of the saline inclusion in the FIP in different directions are acquired and quantitatively analyzed through the system, and a stress gradient evolution model is constructed, so that the spatial change of a local tectonic stress field is revealed. Compared with a traditional stress analysis method mainly based on a macrostructure, the stress analysis method focuses on stress response behaviors under a microscopic scale, combines various precise test means such as microscopic observation, pressure measurement and cathode luminescence, and realizes a technical path of directly inverting the tectonic stress gradient from the microstructure. The method can be widely applied to geological research of structural environments such as fault zones and shear zones, provides a new technical means for crust stress field analysis, and has important research value and wide application prospects.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Coal lithofacies detection device and method

The invention discloses a coal lithofacies detection device and method, and relates to the technical field of maceral detection, the coal lithofacies detection method comprises the steps of coal rock X-ray plate preparation and microscopic observation, in the coal rock X-ray plate preparation step, crushing, screening, mixing, shaping and surface treatment are performed on a coal sample to form a coal rock X-ray plate; in the microscopic observation step, microscopic components and mineral substances in the coal rock polished section are observed and analyzed to judge the lithofacies type of the coal. According to the coal lithofacies detection device and method provided by the invention, the metamorphism degree, the combustion characteristic, the chemical reactivity, the processability and the like of coal are evaluated by analyzing the maceral components, the mineral components and the contents of the maceral components and the mineral components of the coal; in the coking process, coal blending is carried out based on the lithofacies of the coal, so that the proportions of different coal types can be more accurately blended, the optimal coal blending scheme is selected, combustion is more economical and effective, the calorific value of the coal and the yield of coke are increased, and the ash content and the sulfur content of the coke are reduced.
Owner:WUHAI GUANGNA COAL COKING CO LTD

Deep learning neural network-based automatic reaction control method and system for production of calcium hypochlorite

The invention discloses an automatic reaction control method and system for production of calcium test powder based on a deep learning neural network, and belongs to the technical field of chemical automation. The invention discloses a test powder production automatic reaction control method based on a deep learning neural network. The method comprises the following steps: data acquisition, picture preprocessing, deep learning model training, model verification and debugging, model storage and weight reduction, real-time prediction and automatic reaction control. The automatic reaction control system for the production of the high test bleaching powder based on the deep learning neural network comprises a data acquisition module, a reaction stage automatic judgment module, a process control parameter automatic optimization module and a DCS (Distributed Control System) control module. According to the invention, the real-time microscopic observation picture of the chlorination reaction can be uploaded in real time; and predicting the current reaction stage according to the picture and outputting process control parameters to realize full-automatic reaction control of the production of the high test powder.
Owner:CHINA CHENGDA ENG

High-carbon stainless steel fine bar metallographic specimen preparation method and specimen thereof

The invention relates to the technical field of metallographic specimen preparation, in particular to a high-carbon stainless steel fine bar metallographic specimen preparation method and a specimen thereof. The preparation method comprises the following steps: S1, embedding a sample; s2, grinding to 1 / 2 diameter of the longitudinal sample by a grinding machine; s3, performing polishing treatment on the surface of the sample on a rotary polishing machine by using metallographic abrasive paper; s4, preparing a polishing solution; and S5, holding the sample treated in the steps S1 to S3 with a hand, using water as a lubricant, using flannelette as polishing cloth, and using the polishing solution in the S4 to polish on a polishing disc of a polishing machine for 1-3 minutes, the polishing rotating speed being 300-700 revolutions per minute, the moving radius of the sample being 100-120 mm, and the downward pressure being 0.2-0.5 kg. According to the preparation method of the high-carbon stainless steel fine bar metallographic specimen and the specimen thereof, the effect of the prepared specimen greatly reduces the formation of black spots, so that the microscopic observation effect of the metallographic specimen is improved, and the loss caused by metallographic misjudgment is reduced.
Owner:BEIJING TIANMA INTELLIGENT CONTROL TECHNOLOGY CO LTD +1

Microsecond melting and revitrification of cryo samples with a correlative light electron microscopy setup

PendingUS20250052992A1Electric discharge tubesMicroscopesMicroscopic observationPhotoelectron microscopy
An apparatus for observing dynamic systems by time-resolved microscopy has an optical microscope including a cryo stage for receiving a cryo sample and maintaining the cryo sample at a cryogenic temperature, a heating system configured to temporarily heat at least a portion of the cryo sample such that the portion of the cryo sample melts to a liquid state, temporarily resides in the liquid state, and then revitrifies, and an image detector associated with the optical microscope for detecting magnified images of the cryo sample generated by the optical microscope. Detected images may be recorded and analyzed to inform on-the-fly adjustment of heating power level delivered to the cryo sample. In a correlative light-electron microscopy method, the revitrified cryo sample is observed using an electron microscope.
Owner:ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)

Device and method for detecting retention performance of liquid-phase solute of articular cartilage

The invention relates to a device and a method for detecting the retention performance of a liquid-phase solute of articular cartilage. The method comprises the following steps: adhering and fixing a treated cartilage on a perforated rubber plug; the cartilage pasted with the rubber plug is placed in a retention device with a perforated plate at the bottom, and water is added till the cartilage completely exceeds an overflow opening; the retention pressing rod provided with the rubber plug is pressed into the retention device, and whether liquid leakage exists or not is detected in advance; discharging the water, adding a solution required by a retention experiment, and pressing the retention pressure rod again; the retention device is arranged in the cylindrical base, and the screws on the two sides are fastened; the base of the device is fixed on a lower disc of a testing machine; a retention compression bar of the device is fixed on an upper disc of a testing machine; and setting expected pressure and time, starting to load experimental pressure, and then starting a cartilage retention experiment. And after the retention experiment is finished, observing the retention state of the fluorescent solute molecules by using a slicing machine and a laser confocal microscope. The cartilage liquid phase solute retention performance is effectively detected, the problem that sealing performance is difficult in a retention experiment is solved, a cartilage mass transfer research method is expanded, and the detection precision and stability are improved. The method is expected to be popularized to become a standard test technology of cartilage retention performance, and plays a positive role in promoting cartilage in-vitro experiments.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Method for etching steel, method for producing sample for optical microscopy observation, solution set for etching steel, and etching device

The invention provides a method for etching steel, a method for manufacturing a sample for optical microscopy observation, a solution set for etching steel, and an etching device, wherein microstructure analysis can be carried out simply and with high precision. A steel etching method includes: a first etching step in which steel is electrolytically etched in an alkaline solution having a pH of greater than 7.0; and a second etching step in which, after the first etching step, etching is performed in which the steel is brought into contact with an acidic solution having a pH of less than 7.0. The pH value of the alkaline solution can be 13.0 or above, and the alkaline solution can be a KOH aqueous solution. The current density during electrolytic etching may be 0.5 A / cm2 or more. The steel may also have martensite and ferrite.
Owner:JFE STEEL CORP

Micro-area femtosecond transient absorption detection system

The utility model provides a micro-area femtosecond transient absorption detection system. A femtosecond laser light source control assembly is used for generating laser; the first spectroscope is used for dividing the femtosecond laser into two beams of light; the pump light adjusting assembly is used for generating pump light and adjusting intensity and frequency; the detection light adjusting assembly is used for generating detection light and adjusting the intensity of the detection light to be proper and stable; the beam combiner is used for combining the pump light and the detection light; the transmission absorption detection assembly is used for irradiating a sample with the pump light and the detection light and generating detection transmission light; the reflection absorption detection assembly is used for irradiating the pump light and the detection light to a sample and generating detection reflected light; the microscopic imaging assembly is used for carrying out microscopic observation on the sample area and determining a to-be-detected position, and determining that the pump light and the probe light are accurately irradiated on the to-be-detected position; the detection assembly is used for collecting detection light. According to the utility model, ultrahigh space and time resolution is realized, and functions of transmission transient absorption detection, reflection transient absorption detection and micro-area microscopic imaging are integrated.
Owner:HUNAN UNIV

Flow cytometer

The disclosed flow cytometer includes a wavelength division multiplexer (WDM). The WDM includes an extended light source providing light that forms an object, a collimating optical element that captures light from the extended light source and projects a magnified image of the object as a first light beam, and a first focusing optical element configured to focus the first light beam to a size smaller than the object of the extended light source to a first semiconductor detector. The disclosed flow cytometer further includes a composite microscope objective to direct light emitted by a particle in a flow channel in a viewing zone of the composite microscope to the extended light source, a fluidic system and a peristaltic pump configured to supply liquid sheath and liquid sample to the flow channel, and a laser diode system to illuminate the particle in the flow channel.
Owner:BECKMAN COULTER INC

Liquid drop sorter based on fluorescence detection

According to the liquid drop sorting instrument based on fluorescence detection, an inverted microscope serves as a whole instrument base and is located at the bottom, an XY precise moving platform is fixed to the microscope, a z-axis moving platform is fixed to a simple supporting frame beside the microscope, a fluorescence channel is installed on the z-axis moving platform, and a microfluidic liquid drop sorting module is fixed to the tip end of the fluorescence channel. A fluorescence detection module is arranged on the side wall of the fluorescence channel, the fluorescence detection module and the microfluidic liquid drop sorting module are both connected with the signal end of the FPGA signal processing module, the fluorescence detection module and the microfluidic liquid drop sorting module are controlled through the FPGA, the condition of generated liquid drops is observed through a microscope, the sorting process of the liquid drops is dynamically adjusted, and the quality of the liquid drops is improved. The closed-loop control of fluorescent liquid drop sorting is realized; according to the invention, high-precision and high-throughput liquid drop sorting can be realized, the liquid drop screening efficiency is greatly improved, the target liquid drop can be accurately identified and selected, and the method can be widely applied to the fields of high-throughput screening, single cell analysis, enzyme evolution, drug discovery and the like.
Owner:XI AN JIAOTONG UNIV

Living cell observation device, observation system and observation method

According to the living cell observation device, the observation system and the observation method, a light beam generated by an illumination element arranged below a living cell is incident to a pyramid lens array module located above the living cell, the pyramid lens array module reflects the incident light beam at the same direction angle, and the reflected light beam is diffracted into direct light and diffracted light when passing through the living cell; the phase plate causes the direct light and the diffracted light to generate a phase difference, and the direct light and the diffracted light having the phase difference interfere with each other on the imaging element to generate a phase difference image of the living cells. The volume of the observation device is greatly reduced, especially the reduction in the height direction enables the observation device to be easily placed in an existing culture box, real-time and full-life-cycle observation of cells is realized, meanwhile, the pollution of the cells and the change of a culture environment are avoided, and the observation efficiency is improved. The advantages of a current phase difference type microscopic observation system in the aspect of image effects are reserved, and the requirements for precision and stability of a movement mechanism are lowered.
Owner:XINHUIKANG MEDICAL DEVICES (SHANGHAI) CO LTD

High-throughput automated structure-streaming imaging method and device

The invention discloses a high-throughput automatic structure-streaming imaging method and device, and belongs to the technical field of biomedical engineering.The device comprises an imaging detection module used for achieving imaging detection of a printing model, the imaging detection module is provided with two combined optical paths of optical coherence tomography, fluorescence microscopic imaging or confocal microscopic imaging; and the data support module is used for realizing hydrogel interface microscopic observation under rheological loading, and the data support module is integrated with a rheometer based on a combined optical path of optical coherence tomography and fluorescence microscopic imaging. The OCT and FM combined common-path multi-mode imaging system is integrated with the rheometer and the cooperative control module, and a three-dimensional quantitative characterization method of parameters such as space collapse degree is combined, so that synchronous observation and accurate analysis of a microscopic-macroscopic structure and stress-strain are realized.
Owner:HANGZHOU REGENOVO BIOTECHNOLOGY CO LTD

Farmland soil free virus microscopic counting optimization method

The invention discloses an optimization method for microscopic counting of free viruses in farmland soil, and belongs to the technical field of biological tests. According to the method, the test is carried out from the aspects of instrument selection, parameter setting, soil sample usage amount and microscopic observation key influence factors in the soil virus extraction test; analyzing the proportion of the farmland soil sample to the virus leaching solution, different oscillation instruments and parameter setting, and the influence of an anti-fluorescence quenching agent and an anti-fading solution in microscopic observation on the soil virus extraction efficiency and microscopic counting, and optimizing the farmland soil free virus microscopic counting process according to the analysis result. The invention provides an operation process suitable for the farmland soil virus fluorescence staining-microscopic counting method from instrument selection and parameter setting in soil virus extraction, soil sample usage amount and key influence factor control in microscopic observation. And a feasible technical reference can be provided for subsequent quantitative analysis and infection mode research of soil viruses.
Owner:SHENYANG AGRI UNIV

High-sealing multifunctional sample box integrating shear loading and microscopic observation

The invention discloses a high-sealing multifunctional sample box integrating shear loading and microscopic observation in the technical field of fluid microscopic observation, which comprises a cuvette, a box body and a box cover which are sequentially arranged from bottom to top and can be mutually connected to form a sealed sample box, a magnetic driving shaft is arranged in a circular groove in the center of the upper part of the box cover, a magnetic stirring disc is placed in the cuvette, the magnetic stirring disc is rotationally connected to the bottom of the box cover, and a gap is formed between the lower end surface of the magnetic stirring disc and the inner bottom surface of the cuvette; the magnetic driving shaft can rotate so as to drive the magnetic stirring disc to rotate and shear a sample. The shearing component is not in a traditional rotating shaft insertion form, but adopts a separated structure, the magnetic driving shaft for driving is mounted outside the sample box, and the magnetic stirring disc for shearing is mounted in the sample box, so that the sealing performance of the shearing component to the sample box is not reduced at all.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI

Battery substrate pore-forming treatment process

The invention discloses a battery substrate pore-forming treatment process, and relates to the technical field of battery substrate processing, and the battery substrate pore-forming treatment process specifically comprises the following steps: 1, preparing all necessary raw materials, and adding the raw materials into mixing equipment for mixing; 2, uniformly adding perborate into the mixing kettle through a dispersing assembly, and uniformly mixing; step 3, uniformly coating the mixed paste on a current collector; 4, feeding the formed polar plate into curing and drying equipment; and 5, observing by using a microscope, and detecting the porosity of the polar plate by using a porosity tester and the like. A plurality of strip-shaped through holes are formed in the side face of the material storage barrel in the circumferential direction to serve as openings, an additive flowing out of the strip-shaped through holes falls onto the umbrella-shaped plate to be dispersed, then the additive slides down along the umbrella-shaped inclined face and leaks out of the material dispersing holes to be discharged, the additive poured into the mixing kettle can be prevented from being accumulated at a certain corner in the mixing kettle, and the mixing effect is improved. The stirring time is shortened.
Owner:JIESHOU HUAYU POWER SUPPLY

Groove damage detection system, method, device and equipment

The invention provides a groove damage detection system, method, device and equipment. The system comprises a bearing table, two first rollers and a second roller, the two first rollers are arranged on the bearing table, and the axes of the first rollers are parallel to the table top of the bearing table; the second roller is arranged above the first roller in the vertical direction, the second roller is parallel to the first roller and can move in the first direction and the second direction, the first direction is parallel to the table top of the bearing table, and the second direction is perpendicular to the table top of the bearing table; wherein at least one displacement sensor is arranged on the end face of the second roller, at least one pressure sensor is arranged on a first generatrix of the second roller, and the first generatrix is the generatrix closest to the first roller. According to the scheme, the problems that the damage of the silicon wafer groove is judged in a microscope observation mode, the difficulty is high, and the whole groove cannot be covered are solved.
Owner:XIAN ESWIN MATERIAL TECHNOLOGY CO LTD

Electronic microscope and telescope integrated equipment

The invention relates to electronic microscope and telescope integrated equipment, which realizes 180-degree turning of a base through an L-shaped frame and a first hinge shaft, drives an objective table to rotate in combination with a circular ring and a transmission device, and can be stably switched between two forms, so that the integrity and stability of different scenes are improved; in the first form, the base is arranged under the stand column, and the objective table is arranged on the front side and suitable for microscopic observation. In the second form, the base is turned to the rear side of the stand column, the objective table is arranged on the left side, the observation unit is not shielded, the stand column is supported by the base, the objective table can be used as a mobile phone support to be matched with a telescope, space layout is optimized, two purposes are achieved, and resource waste is avoided; the core advantage of integration of microscopy and telescope is reserved, users do not need to purchase equipment separately, the economic cost is reduced, meanwhile, the practicability and adaptability of the equipment are enhanced through structural improvement, and the requirements of primary and secondary school students and other user groups can be better met.
Owner:YIGAO SCI & EDUCATION (GUANGDONG) CO LTD

Digital microscope

1. Name of the designed product: digital microscope. 2. Use of the designed product: for microscopic observation of microstructure. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:上海隶创科技有限公司