35 results about "Macroscopic observation" patented technology

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 provides a method for identifying animal fur based on PCR, which belongs to the field of material identification of animal fur. It includes the following steps: extract enough DNA from tanned animal fur products, respectively use common mink (sable, pine marten, American mink, Japanese mink), ferret (weasel, weasel) and mink-specific primers to use PCR Technology amplification, to identify whether there are mink, weasel or mink components in animal fur, and the detection limit can reach 20pg. The invention has the advantages of accurate results, high sensitivity, strong specificity, stability and objectivity, and the like. The present invention can be used as a confirmation method for fur material identification by macroscopic observation method and microscope detection method, provides objective results when doubts arise in transactions, and can also provide technical support for market supervision, and has broad application prospects.

Included are an illumination lamp (2) for illuminating a color filter edge (23) at a predetermined angle of incidence, a sensor (3) for taking at least two images by imaging light reflected at a predetermined angle different from the angle of incidence, an image processing section (9) for calculating a difference in luminance within a color filter in accordance with the images thus taken, and a defect determination section (13) for determining the existence of unevenness in the color filter from the difference in luminance. Provided thereby are a color filter inspection method and a color filter inspection apparatus, each for early discovering unevenness through macroscopic observation of the whole color filter by illuminating the color filter edge and by taking reflected light that is not specular reflected light, the unevenness occurring in a drying step, the color filter edge containing a boundary between a pixel and a black matrix. Further provided is a method for manufacturing a color filter with use of the color filter inspection method.

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 preparation method of a scanning electron microscope sample. The preparation method comprises the following steps: treating a feces sample, wrapping and washing the feces sample in a nylon bag, standing and washing the feces sample in a culture dish, flushing by using a high-speed water flow, changing water, drying by absorbing water, preparing a sample platform, and coating the sample with a film by gold sputtering. The scanning electron microscope sample prepared by drying, crushing, soaking, wrapping and washing in the nylon bag, flushing by using the high-speed water flow, absorbing water, drying, plating gold and other processes is clean, free of impurities and gravel deposits, small in residue loss and uniform in distribution; during macroscopic observation, the residue sample is clear, and during observation under a scanning electron microscope, a residue structure is clear and complete, the view is clean and the third dimension of an image is strong; by the preparation method, observation and research on ultrastructure of an undigested forage grass residue in digested feces of a ruminant animal can be facilitated; the preparation method has an important significance in vividly understanding and evaluating degradation of microbes in the digestive tract of the ruminant animal to a roughage fiber structure and raising the utilization rate of straw feed.

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 provides a method for obtaining the intermediate state structure of G protein-coupled receptors by computer simulation. The method combines targeted molecular dynamics simulation and conventional molecular dynamics simulation to obtain G protein-coupled receptors from an inactive state to an active state. Structure of the intermediate state of a G protein-coupled receptor during the activation state. The method of the present invention has a wide range of applications, is simple and easy to implement, saves time and computer resources, and can simulate the motion trajectory of the research system from the initial state to the final state in a short time, greatly reducing the simulation time and reducing the impact on the computer. Performance requirements; Compared with the experimental macroscopic observation, the present invention is convenient to study the motion change of the system from the atomic level, and can overcome the simulation time problem from the initial state to the final state, and observe the entire change between the two states process.

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.

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 present invention is a device based on a method for generating a broadband noise source based on a quantum dot microcolumn laser, which belongs to the technical field of broadband noise source generation methods; the technical problem to be solved is: to provide a device for generating a broadband noise source based on a quantum dot microcolumn laser Improvement of the method; the technical solution adopted to solve the above technical problems is: prepare a quantum dot microcolumn laser as the first light source; inject the external narrowband optical noise into the prepared quantum dot laser in step 1 to generate a broadband noise signal, and the quantum dot laser After the output optical signal is split by the beam splitter, one optical signal is converted into an electrical signal by the photodetector and then output to the oscilloscope and spectrum analyzer for macroscopic observation, and the other is output to Hanbury-Brown and Tevez interferometry The device performs statistical measurement of microphotons; the invention is applied to signal generation, and the broadband noise signal generated by the invention has the characteristics of high bandwidth and no external cavity period, which improves the security of communication.