35 results about "Macroscopic observation" patented technology

An image comparison apparatus includes an observation image capturing means for capturing at least one of a macroscopic observation image of a specimen and a microscopic observation image of the specimen, a photographing means for photographing an observation image captured by the observation image capturing means, a recording means for recording a reference image prepared in advance, and a display means for displaying the observation image photographed by the photographing means as a comparison image, and also displaying the reference image recorded on the recording means on the display means so as to allow comparison between the comparison image and the reference image.

The invention provides a multi-means, dynamic and whole-process landslide prewarning method. The method includes: performing macroscopic observation, engineering exploration data monitoring and displacement monitoring on landslide; performing macro damage phenomenon analysis and influence factor analysis according to a result of macro observation; building a numerical value model and performing parameter indicator determination according to a result of engineering exploration data monitoring; performing displacement back analysis and displacement tendency analysis according to a result of displacement monitoring; building a correcting numerical value model according to influence factor analysis and the built numerical value model; determining calculating parameters through parameter indicator determination and displacement back analysis; performing numerical value analog calculation analysis according to the correcting numerical value calculating model and the calculating parameters; calculating a displacement-time curve under a series of different stability safe coefficients according to numerical value analog calculation analysis; drawing a monitoring displacement-time curve according to displacement tendency analysis; comparing the above two curves to determine stability state of the landslide. By the method, landslide disaster recognition, prewarning and control level can be improved effectively.

The invention brings forward a kit for detecting hereditary hearing loss. The kit provided by the invention comprises a primer combination and a probe combination of nine hereditary hearing loss polymorphic sites on GJB2(Cx26) gene, SLC26A4(PDS) gene and 12S rRNA(MTRNR1) gene, and can be used to accurately determine the wild type, homozygous mutation or heterzygosity of related sites and realize molecular diagnosis of hearing loss. With the application of the kit provided by the invention, detection can be carried out by cheap equipment or macroscopic observation. The primer combination, reagent panel and kit provided by the invention can be used for the screening of hereditary hearing loss to realize early detection, early prevention and prenatal guidance. The invention is of great commercial value and social significance.

A method of detecting an accessory cancer lesion, comprising an administration step wherein indocyanine green is administered to a living body, an irradiation step wherein a target organ suspected of having cancer is surgically exposed and irradiated with excitation light of indocyanine green, an imaging step wherein a near-infrared fluorescence intensity distribution image from the excited indocyanine green in the target organ is obtained, and an identification step wherein an area having the near-infrared fluorescence in the intensity distribution image, excluding the area detected in preoperative examination or intraoperative macroscopic observation, is identified as an accessory cancer lesion.

The invention discloses an experimental device for researching morphology of oil displacement foam in seepage and migration processes. A transparent casing and a sand core are mainly assembled to form the experimental device which is a transparent model pipe device. The macroscopic morphology of the foam can be observed by the aid of the transparent model pipe device in the seepage and migration processes. The sand core is arranged at a set position of an inner cavity of the transparent casing, the inner cavity of the transparent casing is sectioned to form oil permeation rock stratum simulation systems, the sand core is made of porous media with known average pore diameters, the shape of the outside of the sand core is consistent with that of the inner cavity of the transparent casing, continuous closed cavities are formed in the wall of the transparent casing and are used as temperature-control fluid circulating pipe casing cavities, and the temperatures of experimental media which are fed into the inner cavity of the transparent casing can be regulated and controlled by the temperature-control fluid circulating pipe casing cavities. The experimental device has the advantages that different temperature and salinity conditions can be simulated by the experimental device; the permeability of the porous media can be conveniently changed; phenomena can be directly observed via model pipes; the experimental device is low in economic cost and convenient to assemble; the experimental device is low in economic cost, wide in service condition and convenient to assemble, and macroscopic observational research in the research field can be improved.

An observation system to observe a sample mass formed of samples gathering in a container containing the samples and a solution, includes: an entire image pickup unit to image the entire container; a sample mass identification unit to identify a sample mass formed in the container, from a macro observation image obtained by imaging the entire container; a magnifying image pickup unit to magnify and image a part of an area in the container including the sample mass identified by the sample mass identification unit; and a history information storage unit to store position information of the sample mass in association with time and date information, wherein the magnifying image pickup unit magnifies and images a part of an area in the container based on the past position information stored in the history information storage unit, while the sample mass identification unit is executing processing of identifying the sample mass.

The invention discloses a quantized lubricating method in the rolling process of magnesium alloy sheet materials. According to the features of the magnesium alloy materials, rolling process systems and equipment conditions, the amount of lubricants required for meeting interface lubricating is determined; furthermore, according to sheet material area, rolling speed, and interface temperature, the burning loss amount of the lubricants is determined, and the lubricants are sprayed onto a roll surface in a quantized mode for overall consideration; besides, lubricant particles should be attached to the position, within 45-degree included angle range between the central horizontal plane of a roller on the inlet side, of the roll surface; in order to improve biting-in and reduce burning loss, a timely and segmented oil supply method is adopted, namely, oil is supplied after the head portions of the sheet materials are bit in, and oil supplying is stopped when the tail portions of the sheet materials enter roll bites. Lubricating is carried out according to the quantized lubricating method for rolling the magnesium alloy sheet materials, through macroscopic observation, the roll surface and a sheet surface are light and smooth after being rolled, the adhesion phenomenon of the roll surface does not happen, and therefore the requirement for lubricating is satisfied; through measurement, the sheet surface is close to the roll surface in roughness after being rolled with the lubricants applied, and the roughness of the sheet surface is reduced.

The invention relates to an automatic detection method for broken wires of automobile front windshield wired glass. The method comprises the steps that metal wires in the wired glass are electrified and heated; the surface temperature of the wired glass is measured; and the number of broken metal wires is determined according to the regional temperature difference of the surface. Compared with theprior art, the method provided by the invention has the advantages that the method of surface temperature difference detection is used to infer the number of broken wires; a user does not need to carry out macroscopic observation one by one; the detection efficiency is improved; and the number of missed inspections is reduced; an infrared thermal imager measures the surface temperature of the wired glass; and industrial automatic detection is realized.

The invention provides a method for identifying animal fur based on a PCR technology and belongs to the field of identification of animal fur material texture. The method comprises the following steps that enough DNA is extracted from a tanned animal fur product, amplification is performed by adopting specific primers of common martens (sables, pine martens, American martens and Japanese martens), mustelia (yellow weasel and ferrets) and minks respectively and utilizing the PCR technology, whether marten, mustelia or mink ingredients are contained in the animal fur or not is identified, and the detection limit can be up to 20 pg. The method has the advantages of making results accurate and being high in sensitivity and specificity, stable, objective and the like. The method can serve as a confirmation method of a fur texture identification and macroscopic observation method and a microscope detection method and provide objective results when questions are produced in transaction can also provide technical support for market supervision and has a wide application prospect.

The invention relates to a primer composition for detecting staphylococcus aureus, a reagent kit and a dual-signal-path detection method thereof. The method comprises the steps that nucleic acid extraction is performed on a sample to be detected; an isothermal amplification reaction is performed, wherein the isothermal amplification reaction is performed in a reaction system containing a color indicator, DNA embedded dye, DNA of the sample to be detected and amplification primers thereof; result interpretation is performed, wherein according to color changes of the indicator obtained after amplification is ended, direct naked eye interpretation is performed and / or a special instrument is combined for detecting a nucleic acid amplification curve for interpretation. In the reaction system, the macroscopic indicator is added, and the problem that an operator cannot recognize whether samples are added successfully or nor is avoided; according to the dual-signal-path detection method the DNA embedded dye is combined with the matched instrument for detecting the amplification curve, and the macroscopic observation result of the indicator is obtained, one signal path can be selected for result determination according to the requirement for application scenarios, and the method is easier, more convenient to implement, rapid, easy to implement and applicable to field operation in actual application.

The invention discloses a method for measuring material glass transition based on optical change, relating to a method for measuring material glass transition and solving the problems that the traditional method for measuring material glass transition has complex operation, unintuitive phenomenon and low degree of accuracy of measurement results. The method comprising the following steps of: firstly, assembling sub-micrometer microspheres on a glass substrate to obtain a template; secondly, filling material to be measured in gaps among the sub-micrometer microspheres on the template in a solution or fusant to obtain a composite membrane; thirdly, drying or cooling the composite membrane obtained in the second step, and then removing the template to obtain a porous membrane; fourthly, trimming the porous membrane obtained in the third step to obtain a sample to be measured; and fifthly, placing the sample to be measured in a program control heating device and measuring the glass transition result of the material to be measured by adopting a Macroscopic observation method, a micro melting point apparatus observation method or fiber spectrometer measurement method. The invention is suitable for measuring material glass transition.

The present invention provides a kit for rapid detection of Mycobacterium tuberculosis in a sputum sample, and the kit includes a liquefied solution, a lysis solution, a probe solution, a stop solution, a fixative solution, a carrying glass sheet and a cover glass sheet. After liquefaction of the sputum sample, cell lysis, probe hybridization and fluorescence fixing and other operations are performed, and a fluorescence microscopy is used for macroscopic observation, counting and analysis of the Mycobacterium tuberculosis. The kit is simple in operation method, short in procedure, easy to operate, strong in test result specificity, high in sensitivity, clear in results and high in reliability, and can be used for direct, simple and effective detection of the Mycobacterium tuberculosis in the sputum sample.

The invention discloses a method for measuring the glass transition of a material on the basis of the optical change, relates to a method for measuring the glass transition of the material, and solves the problems of complex operation, non-visual phenomenon and low accuracy degree of a measurement result of the existing method for measuring the glass transition of the material. The method comprises the following steps of: 1, assembling submicron microspheres on a glass substrate to obtain a template; 2, filling the material to be measured into gaps between the submicron microspheres on the template in a solution or fondant mode to obtain a composite film; 3, drying or cooling the composite film obtained in the step 2 and then removing the template to obtain a porous film; 4, trimming the porous film obtained in the step 3 to obtain a test sample to be measured; and 5, placing the test sample to be measured into a program controlled temperature rising device and measuring a glass transition result of the glass material to be measured by a macroscopic observation method, a micro melting point apparatus observation method or an optical fiber spectrometer measurement method. The method is suitable for measuring the glass transition of the material.

The invention provides a method for analyzing fracture microscopic surface morphology through a 3D printing technology and application of the method. The method comprises the following steps that a digital microscope is combined with computer software to obtain three-dimensional coordinate values of all points on a profile line of the microscopic surface morphology of a material fracture, and after the three-dimensional coordinate values of all the points are completely generated into point clouds, data storage is conducted; Performing reverse coordinate modeling on the stored data to draw a three-dimensional data model of the microscopic surface morphology of the material fracture; Printing the three-dimensional data model layer by layer by using a 3D printer to form a solid model of themicroscopic surface morphology of the material fracture; and carrying out material fracture failure analysis by utilizing the solid model. According to the method, the defect that fracture surface topography failure analysis by applying macroscopic observation and a microscope is not comprehensive, three-dimensional and visual enough is effectively overcome, more effective, visual and three-dimensional microstructure analysis is carried out on the cause of fracture cracks, and internal reasons for forming the cracks can be visually understood.

The invention relates to an LAMP primer for detecting Asperillus Parasiticus, and a kit including the primer. The LAMP primer comprises inner primers FIP and BIP, outer primers F3 and B3, and loop primers LF and LB; and the kit comprises the LAMP primer, a Bst DNA polymerase, a reaction buffer solution containing dNTPs, and deionized water. A loop-mediated isothermal amplification technology is used to rapidly detect Asperillus Parasiticus in the invention, so the Asperillus Parasiticus can be rapidly, accurately and conveniently detected, and the LAMP primer and the kit are of great significance to prevent and detect Asperillus Parasiticus pollution. A detection method also disclosed in the invention has the advantages of strong specificity, high sensitivity, lower detection limit reaching 1*10<-12>g / [mu]L, short reaction time, strong operability, no need of expensive apparatuses, convenient product detection, realization through macroscopic observation, and very high practical values.

The invention discloses a non-destructive cleaning method for rust on the surface of a copper object. The method comprises the following steps: by taking compressed air as power, sequentially spraying deionized water, a sodium bicarbonate grinding material and deionized water to the surface of a copper object in a mechanical spraying manner for rust cleaning. According to the invention, by adopting the method, the cleaning degree can be adjusted according to actual requirements; the macroscopic observation results of naked eyes and optical microscopes show that the rust on the surface of copper coins can be effectively cleaned, obvious flat copper coin textures and yellow copper money substrates can be observed, the substrates are not damaged; and microscopically, a scanning electron microscope-energy spectrum analysis technology SEM-EDS is used for carrying out surface micro-area morphology and component change evaluation before and after cleaning, and it is found that the proportion of C and O on the surface of the copper coins before and after cleaning is obviously reduced, the content of Cu and Zn is increased, it is indicated that surface oxides are removed, and the cleaning effect is good.

The invention discloses a wafer double-sided macroscopic observation device and system, and relates to the technical field of wafer inspection. The device comprises a base provided with a first support plate and a second support plate, wherein a turning disk is disposed between the support plate and the second support plate, and the turning disk is connected to the first support plate or the second support plate through a connecting shaft and is rotatably connected to the first support plate and the second support plate in the axial direction of the connecting shaft; the turning disk is provided with a rotating disk that is rotatably connected to the turning disk along the axial direction thereof, the axis of the rotating disk is vertical to the axis of the turning disk, and the turning disk is provided with a rotating mechanism for driving the rotation of the rotating disk; the rotating disk is provided with an opening and closing mechanism that is internally provided with a pressingplate for pressing the wafer against the rotating disk, and the pressing plate is disposed on the rotating disk in a circumferential direction of the rotating disk; a first observing opening is defined on the turning disk, and a second observing opening is defined on the rotating disk. The wafer double-sided macroscopic observation device and system reduce the possibility of wafer damage and increase the reliability during wafer observation.

The invention discloses a method for testing crystallization situations of free water in kerosene at different temperatures. The method is characterized in that low-temperature nitrogen of a specifictemperature and a specific flow can be prepared by mixing normal-temperature nitrogen and liquid nitrogen, and low-temperature nitrogen temperature and flow control is achieved by adjusting the flowsof nitrogen and liquid nitrogen respectively; kerosene is slowly and uniformly cooled through the low-temperature nitrogen, and the consequence that testing results are affected as free water of partial kerosene is crystallized as the temperature is reduced too rapidly is avoided; the pressure difference change before and after a filter is acquired through a pressure difference sensor, then flow resistance change of the flowing process of the kerosene is acquired, and change of a solid crystal inside the kerosene is studied; in the kerosene flowing process, the crystallization accumulation process on a filtering net can be directly observed through a transparent visible filter. The method has the characteristics that equipment principles are simple, the temperature control precision is high, crystallization change of free water in kerosene can is direct and visible, and influence of temperature reduction of kerosene can be directly analyzed through both a macroscopic observation methodand data judgment.

The invention relates to a microscope imaging system which comprises a first lens group (C1) and a second lens group (C2) which are sequentially arranged from an object side to an image side along an optical axis, the first lens group (C1) at least comprises a double-cemented lens group, and the second lens group (C2) only comprises a double-cemented lens group. The low-magnification large-view-field wide-spectrum macroscopic observation device has the characteristics of large numerical aperture, small distortion, various observable samples and wide scope.

The invention discloses a device of a method for generating a broadband noise source based on a quantum dot micro-column laser, and belongs to the technical field of broadband noise source generationmethods. The technical problem to be solved is to provide an improvement of a method for generating a broadband noise source based on a quantum dot micro-column laser. According to the technical scheme, the method comprises the steps: preparing a quantum dot micro-column laser serving as a first light source; injecting external narrow-band optical noise into the quantum dot laser prepared in the first step to generate a broadband noise signal, splitting an optical signal output by the quantum dot laser through a beam splitter, converting one path of optical signal into an electric signal through a photoelectric detector, and outputting the electric signal to an oscilloscope and a frequency spectrograph for macroscopic observation; and outputting the other path of the optical signal to a Hanbury-Brown and Twiss interference measurement device to carry out microscopic photon statistical measurement. The method is applied to signal generation, the broadband noise signal generated by the method has the characteristics of high bandwidth and no external cavity period, and the communication safety is improved.

The invention discloses an in-situ preparation method of an electrode coated with a nickel-copper molybdate composite film. The preparation method comprises the following steps: putting a conductive substrate in a nickel-copper-phosphorus plating solution for chemical plating to obtain a current collector surface-coated with an amorphous nickel-copper-phosphorus plating layer; and putting the current collector plated with the nickel-copper-phosphorus alloy into a molybdate solution, and conducting heating to obtain the electrode coated with the nickel-copper molybdate composite film. The nickel-copper molybdate composite film prepared by using the method is a black film under macroscopic observation, and is a characteristic film with dry-riverbed-like dry mud morphology under microscopic observation. The method has the characteristics of low investment, simple process operation and suitability for industrial production.

The invention discloses a quantized lubricating method in the rolling process of magnesium alloy sheet materials. According to the features of the magnesium alloy materials, rolling process systems and equipment conditions, the amount of lubricants required for meeting interface lubricating is determined; furthermore, according to sheet material area, rolling speed, and interface temperature, the burning loss amount of the lubricants is determined, and the lubricants are sprayed onto a roll surface in a quantized mode for overall consideration; besides, lubricant particles should be attached to the position, within 45-degree included angle range between the central horizontal plane of a roller on the inlet side, of the roll surface; in order to improve biting-in and reduce burning loss, a timely and segmented oil supply method is adopted, namely, oil is supplied after the head portions of the sheet materials are bit in, and oil supplying is stopped when the tail portions of the sheet materials enter roll bites. Lubricating is carried out according to the quantized lubricating method for rolling the magnesium alloy sheet materials, through macroscopic observation, the roll surface and a sheet surface are light and smooth after being rolled, the adhesion phenomenon of the roll surface does not happen, and therefore the requirement for lubricating is satisfied; through measurement, the sheet surface is close to the roll surface in roughness after being rolled with the lubricants applied, and the roughness of the sheet surface is reduced.

The invention discloses a visual measuring device for a rock mechanics experiment, which comprises a confining pressure cavity, wherein the confining pressure cavity comprises a horizontal bottom plate, a transparent enclosure and a sealing gasket, an upper pressure head is arranged in the middle of the upper end of the transparent enclosure, and a lower pressure head is arranged in the middle of the lower end of the horizontal bottom plate. The visual measuring device for the rock mechanics experiment further comprises a transparent heat shrink tube sleeved outside a rock test piece and an acoustic emission sensor sleeve used for collecting rock fracture signals, and the acoustic emission sensor sleeve comprises an elastic transparent protective sleeve and an annular acoustic emission probe. The rock compression fracture process in the test can be macroscopically observed through an industrial camera, and the defect that the rock fracture process in an existing rock triaxial compression test is invisible is overcome. Moreover, tiny fracture signals in the circumferential direction and the circumferential range of the rock test piece can be more comprehensively collected through the acoustic emission sensor sleeve, and the fracture position can be more accurately positioned, so that the damage characteristics of microscopic fractures in the rock can be more accurately monitored.

The invention discloses a method for analyzing submillimeter-scale defects on the surface of a coated material. The method comprises macroscopic observation, section sample preparation, polishing andcomprehensive analysis. The limitation on defect size by section sample preparation in traditional defect analysis is broken through, section samples with submillimeter-scale surfaces are prepared andanalyzed under the condition that surface coated layers are not removed by aid of an FIB / SEM double-beam system or with a chemical method, effective information of samples is reserved, and the problem about section sample preparation in the coated surface submillimeter-scale defect analysis is effectively solved.

The invention discloses a skin blood vessel and blood flow quantitative evaluation system and method based on optical imaging, and belongs to the technical field of biological information processing. The skin blood vessel and blood flow quantitative evaluation system based on optical imaging comprises a laser speckle blood flow imaging unit, a two-photon imaging unit, a blood capillary detection unit and an immunofluorescence staining unit. The laser speckle blood flow imaging unit, the blood capillary detection unit and the immunofluorescence staining unit are used for macroscopic observation, the two-photon imaging unit is used for microscopic morphology observation, observation results of all the units are synthesized, establishment of a corium blood vessel and blood flow quantitative evaluation system is achieved, and a powerful guarantee is provided for research of a blood vessel blood flow microcirculation system.