66results about How to "Quick distinction" patented technology

The embodiment of the invention provides an interaction method and device, equipment and a storage medium. The method comprises the following steps: playing a target video associated with a first object; if the interaction information of the target video meets a preset recommendation condition, in response to a recommendation triggering operation, displaying an object recommendation page which is used for displaying object information of the first object and object information of a plurality of second objects; the number of information types in the object information of the first object is larger than the number of information types in the object information of the second object, and / or the display mode of the object information of the first object in the object recommendation page is different from the display mode of the second object. Through the technical scheme of the embodiment of the invention, the recommendation page containing different objects can be accurately displayed, the accuracy of page display and the diversity of object recommendation are improved, different recommended objects can be effectively and quickly distinguished, and the interaction efficiency is improved.

The invention discloses a fiber board thickness detection device and a use method thereof, and relates to the technical field of fiber board thickness detection.The fiber board thickness detection device comprises a workbench, a conveying belt used for horizontally conveying fiber boards is installed in the middle of the workbench, and a digital display controller is installed on one side of the workbench; the laser measuring mechanism is mounted at the top of the workbench, and the laser measuring mechanism measures the thickness of the surface of the plate in a corrugated multi-point trajectory manner; the marking mechanism is mounted at one end of the laser measuring mechanism; the closing mechanism is installed on one side of the laser measuring mechanism. According to the device, the laser measuring mechanism and the marking mechanism are arranged in a matched mode, the laser range finder can conveniently carry out corrugated track multi-point thickness measurement on a plate moving on the conveying belt, the phenomenon that the thickness of the plate is not uniform is reduced, the marking mechanism can mark unqualified products with the non-uniform thickness, and the production efficiency is improved. Qualified plates and unqualified plates can be quickly distinguished, and meanwhile, the plate thickness detection efficiency is improved.

The invention belongs to the technical field of data processing, and particularly relates to a suggestion decision-making method and device based on a front-end application system user portrait model, and the method comprises the steps: collecting the user behavior data of each user according to a pre-constructed user access behavior monitoring index system; constructing a user portrait model based on the user behavior data; acquiring a user portrait report by using the user portrait model; based on the user portrait report, utilizing a pre-established analysis and prediction model to obtain a predicted suggested decision scheme; the analysis and prediction model is constructed by using a historical user portrait report and a historical suggestion decision scheme. According to the technical scheme provided by the invention, the user demand can be efficiently and quickly mined, and the investigation work of the user is greatly reduced; and core users can be quickly distinguished in a labor-saving manner, which are key marketing groups and which are key construction directions are determined, and the problem of long demand confirmation time caused by multiple internal levels of an enterprise is relieved.

The utility model relates to the field of sewage sampling devices, in particular to a sewage sampling device with a hierarchical storage function. The technical problems that after sewage is sampled and detected by an existing sewage sampling device, sewage of different pollution grades is difficult to quickly classify and store, taking and placing work during subsequent sewage retest is inconvenient, and the working efficiency is reduced are solved. According to the technical scheme, the sewage sampling device with the hierarchical storage function comprises a supporting assembly. When sewage needs to be graded, the sewage is placed in the mounting tank, then the cover body is mounted on the inner wall of the upper end of the mounting tank in a threaded manner, and the sewage is placed at different heights, so that the sewage at different grades can be quickly distinguished by utilizing the placement heights, and the problem that the existing sewage sampling device is difficult to separate after the sewage is sampled and detected is solved. And sewage with different pollution grades is difficult to quickly classify and store, so that the subsequent taking and placing work of the sewage during retest is inconvenient, and the working efficiency is reduced.

The utility model provides an air conditioner remote controller, which is used for wirelessly controlling an air conditioner and comprises a remote controller body and a plurality of functional keys. The remote controller body is provided with a display screen for displaying information. And each function key is configured to enable the remote controller body to send out a corresponding control signal when being pressed. The plurality of function keys comprise a temperature and humidity switching key used for enabling the display screen to switch and display any one or two of set temperature and set humidity, a numerical value increasing key used for increasing the set temperature and the set humidity, and a numerical value decreasing key used for decreasing the set temperature and the set humidity. The air conditioner remote controller solves the problems that the air conditioner remote controller is not easy to arrange due to too many function keys, and the temperature and the humidity cannot be displayed at the same time.

The invention relates to the technical field of battery management, in particular to a physical address allocation method for a battery management system, and the battery management system comprises a main control unit and a plurality of batteries. The method comprises the following steps: sequentially connecting a PWM output interface of a preceding-stage battery with a PWM input interface of a next-stage battery until the preceding-stage battery is connected to a last-stage battery; the PWM output interface of the main control unit is connected with the PWM input interface of the first-stage battery; the main control unit sends PWM pulses to the first-stage battery through a PWM output interface of the main control unit; the preceding-stage battery adjusts parameters of the received PWM pulses and sends the PWM pulses with the adjusted parameters to the next-stage battery through a PWM output interface of the preceding-stage battery until the PWM pulses are sent to the last-stage battery; when each level of battery transmits data to the main control unit, the received PWM pulse is synchronously sent to the main control unit; and the main control unit identifies the physical address of the battery according to the received parameters of the PWM pulse. By adopting the scheme, the number of assignable addresses can be increased.

This invention relates to the field of dental instrument technology, and in particular to a scaling tool capable of quickly identifying the working blade and its method of use. The scaling tool includes a handle and a working end. The working end has a working blade for contacting the tooth surface and an opposing non-working side; the scaling tool is also provided with a marking section corresponding to the working blade. This invention improves the speed and accuracy of dentists and instrument sharpeners in identifying the working blade, increases dentistry efficiency, and avoids unnecessary wear and tear on instruments.

The utility model relates to the technical field of municipal administration, in particular to municipal road plane detection equipment which comprises a support, one side of one end of the bottom of the support is fixedly connected with the top of a support, the inner wall of one end of the bottom of the support is rotatably connected with one side of a moving wheel through a rotating rod, and the inner wall of the middle of the support is slidably connected with the outer surface of the middle of a detection rod. One end of the detection rod is rotatably connected with the middle inner wall of the detection wheel through a U-shaped frame. According to the utility model, the first storage box, the first discharge pipe, the second storage box, the second discharge pipe and other parts are arranged, and the detection rod part and the detection wheel part are matched with each other, so that the detection rod part moves up and down to respectively control the discharge of the first storage box and the second storage box; and the road position where the problem occurs can be marked, so that the device can conveniently mark the road position where the problem occurs, and the effect that the maintenance worker can quickly find the position where the problem occurs on the road is achieved.

The utility model belongs to the technical field of tobacco leaf rating sample showing stands, and provides a tobacco leaf sample aligning and rating sample showing stand which comprises a placing mechanism, the placing mechanism comprises a supporting table, a plurality of supporting frames are evenly and fixedly installed at the upper end of the supporting table, a placing table is fixedly installed at the front ends of the supporting frames, and sliding blocks are installed on the two sides of the placing table in a sliding mode. A measuring ruler is slidably connected into the sliding block and makes contact with the containing table. According to the tobacco leaf grading device, tobacco leaf samples can be lifted and rotated by arranging the driving assembly, so that the tobacco leaves can be displayed at 360 degrees, grading personnel can observe the tobacco leaves at 360 degrees, the tobacco leaves can be judged at multiple angles, the tobacco leaf grading accuracy can be effectively improved, touch to the tobacco leaves can be reduced, and the integrity of the tobacco leaves can be guaranteed; secondly, tobacco leaf samples can be displayed in multiple directions, the containing degree of each grade of tobacco leaves can be quickly mastered, and the upper limit tobacco leaves, the middle limit tobacco leaves and the lower limit tobacco leaves of the grades can be accurately distinguished, so that operators can conveniently observe and learn.

The invention relates to a dialogue participant identification method and system based on intelligent glasses. The intelligent glasses are provided with a bone conduction microphone and an air conduction microphone; the bone conduction microphone is arranged at a position in contact with the body of a wearer in a wearing state and is used for collecting bone conduction sound signals; the air conduction microphone collects an air conduction sound signal. According to the dialogue participant identification method based on the intelligent glasses, the bone conduction sound signal is used as the wearer sound signal, the wearer sound signal is subtracted from the air conduction sound signal, and the participant sound signal is obtained. The same dialogue participant recognition effect can be achieved without operating a neural network voiceprint recognition model with many parameters and a complex structure, and the method has the advantages of being small in computing power consumption, short in recognition time, good in real-time performance, high in recognition accuracy and high in cost performance.

The application discloses a semiconductor storage equipment maintenance system and method, wherein the semiconductor storage equipment maintenance system comprises a server and an MR device; the server stores device structure model data of a semiconductor storage equipment, communicates with the semiconductor storage equipment to obtain operation data of the semiconductor storage equipment, and communicates with the MR device to provide data for the MR device; the MR device generates a mixed reality image according to data collected by itself and data obtained from the server and displays the mixed reality image to an operator wearing the MR device; when the MR device receives information about a fault of the semiconductor storage equipment, the MR device generates a mixed reality image which fuses a virtual perspective model of the semiconductor storage equipment, displays the mixed reality image to the operator wearing the MR device, highlights a fault position corresponding to the fault in the virtual perspective model, and displays a reason corresponding to the fault and a troubleshooting scheme. The application enables the operator to intuitively determine an actual position of the fault position in the equipment, and simultaneously displays information such as the reason of the fault and the troubleshooting scheme, thereby facilitating troubleshooting and processing of the fault, greatly facilitating the development of maintenance work, and reducing requirements on the operator.

The invention discloses a balloon dilatation catheter for intracranial arteries, comprising a catheter outer tube, a catheter inner tube, a dilatation balloon, a Tip head and a catheter seat, wherein a circulation cavity is provided inside the catheter inner tube at a position corresponding to the dilatation balloon, a liquid inlet connected to the end of the circulation cavity is provided on the outer wall of the Tip head and the catheter inner tube at the connection point, a drainage pipe is fixedly inserted and connected to the outer wall of the catheter inner tube at the outer wall of the dilatation balloon, the inner cavity of the drainage pipe is connected to the circulation cavity, and the outer wall of the drainage pipe is fixedly inserted and connected to the outer wall of the catheter outer tube. The invention provides a liquid inlet between the catheter inner tube and the Tip head, a drainage pipe is provided between the catheter outer tube and the catheter inner tube, and the circulation cavity provided in the catheter inner tube is used to connect the liquid inlet and the drainage pipe, so that the blood in the blood vessel can circulate along the liquid inlet, the circulation cavity and the drainage pipe, and blockage of the blood in the blood vessel is avoided, thereby reducing the risk of using the balloon dilatation catheter.

The utility model discloses a special-shaped inlaying erector cabinet rack, which belongs to the technical field of cabinet racks and comprises a plurality of support rods, connecting rods, bottom cross beams and top cross beams, the support rods are vertically arranged in at least two rows, the connecting rods are connected among the support rods in the same row, and the bottom cross beams are arranged on the top cross beams. The bottom cross beams and the top cross beams are arranged at the bottom ends and the top ends of the supporting rods correspondingly and connected with the multiple rows of supporting rods and the connecting rods, and the connecting rods are connected between the bottom cross beams and the top cross beams. The supporting rods, the connecting rods, the bottom cross beams and the top cross beams are all rectangular pipe fittings, pipe opening connecting positions are provided with inlaying notches or inlaying blocks, and the inlaying notches and the inlaying blocks are unique in shape, size and position. According to the utility model, the embedding points are arranged, and the embedding points are unique in shape, size and position, so that the problem of wrong installation is prevented, the assembling speed is accelerated, the working efficiency is improved, the structural strength of the rack is improved, and the quality of the rack is ensured.

The invention discloses a PCA (Principal Component Analysis) algorithm-based near-infrared qualitative analysis model and application thereof, which are characterized in that a near-infrared spectrometer is used for scanning tobacco leaf spectrums of different producing areas, all spectrums are arranged in rows, a data matrix is obtained, the PCA algorithm is used for analysis, a mean value of principal components is calculated, and classification lines of tobacco leaves of different producing areas are determined. Therefore, a PCA analysis model is established, and a scientific basis is provided for replacement of product formula tobacco leaves. According to the method, near-infrared modeling is adopted, the method is simple and easy to operate, and reagents are saved.

The invention belongs to the technical field of wiring equipment, and particularly relates to a wiring device for a railway traffic communication machine room, the wiring device comprises a support, a substrate is fixed on one side in the support, a flange plate is fixed on one side of the support, the wiring device further comprises a plurality of marking pens, and the marking pens are distributed in the support in a fan shape; the line drawing mechanism is assembled on one side of the base plate; the transmission mechanism is assembled on one side of the base plate, and the transmission mechanism is connected with the line drawing mechanism; the multiple adjusting mechanisms are all assembled on the line drawing mechanism, and the multiple adjusting mechanisms and the multiple marking pens are in one-to-one correspondence; and the tensioning mechanism is assembled on one side of the base plate. When a constructor pulls a cable, the cable drives the line drawing mechanism and the transmission mechanism to operate, so that the marking pen carves a spiral line mark on the surface of the cable, and the problem of mark failure caused by cable distortion or local shielding is avoided.

The invention discloses a rapid detection method for echinococcus granulosus based on RPA-CRISPR / Cas, and belongs to the technical field of molecular diagnosis. The method comprises the following steps: extracting DNA of a sample to be detected; the specific primers are used for RPA isothermal amplification, a reaction system contains a buffer solution, upstream and downstream primers, RPA enzyme, magnesium acetate and template DNA, and reaction is carried out at 39 DEG C for 20 minutes; and mixing the amplification product with LbCas12a protein, sgRNA and a fluorescence report probe, carrying out CRISPR / Cas reaction at 37 DEG C for 30 minutes, and judging the result through a real-time fluorescence signal. Constant-temperature rapid amplification is achieved through RPA, high-sensitivity and high-specificity detection of the echinococcus granulosus can be achieved under the site condition by combining high-specificity recognition and trans-cleavage activity of CRISPR / Cas12a, the sensitivity reaches the single-site copy number, operation is easy and convenient, complex temperature control equipment is not needed, and the method is suitable for primary medical treatment and site quarantine.

The invention discloses a method for establishing a fingerprint spectrum of radix euphorbiae lantu and a counterfeit product thereof, which comprises the following steps: respectively pulverizing and sieving radix euphorbiae lantu samples for later use, putting the radix euphorbiae lantu samples into a headspace sample injection bottle, and capping and sealing; and carrying out ultra-fast gas phase electronic nose separation detection, carrying out programmed temperature rise to obtain effective smell information of the stellera chamaejasme and the fake stellera chamaejasme, and calibrating fingerprint characteristics by using relative retention parameters so as to obtain the fingerprint spectrum. Respectively determining the types of the stellera chamaejasme samples according to relative retention parameters in the fingerprint spectrum; the invention further discloses a fingerprint spectrum of the radix euphorbiae lantu and the adulterants of the radix euphorbiae lantu, and the fingerprint spectrum of the radix euphorbiae lantu and the adulterants of the radix euphorbiae lantu provided by the invention combines visual heat map analysis and clustering analysis, so that rapid identification of the four kinds of original radix euphorbiae lantu is realized.

The invention relates to an immunohistochemical double-staining color development system, a detection kit and an immunohistochemical double-staining detection method, and belongs to the technical field of biomedicine. The immunohistochemical color development system is composed of HRP-Magenta, HRP-Cyan, HRP-Gold, AP-Gold and basic fuchsin dyeing reagents, the reagents are combined to form two color development systems including a sequential double-dyeing color development system and a combined double-dyeing color development system, dyeing in a sequential double-dyeing mode and a combined double-dyeing mode can be achieved, dipositive cells can present a third color, and the color development efficiency is improved. And two single positive cells can be obviously distinguished, so that the interpretation is more accurate and quicker. In addition, the sequential double-staining developing system is composed of the HRP system and the AP system, so that the selectivity of the whole developing system is higher, the requirements of different users can be met, meanwhile, the developing system can be customized according to the requirements of the users, and the use flexibility of the immunohistochemical double-staining reagent is improved.

The invention belongs to the technical field of identification of variety resources and germplasm innovation, and discloses an SSR (simple sequence repeat) core primer combination for identifying the content of'high saikoside 'in a radix bupleuri variety, a kit and application. According to the invention, a pair of specific SSR core primers (CHSSR1F / CHSSR1R) are screened by using a microsatellite molecular marker development technology. The primer combination can specifically amplify a characteristic band of 136 bp in a Chinese thorowax root variety with high saikosaponin, so that the Chinese thorowax root variety with low saikosaponin can be quickly and accurately identified and distinguished from other Chinese thorowax root varieties with low saikosaponin. The SSR core primer combination, the kit and the identification method provided by the invention overcome the defects that the traditional chromatographic identification method is time-consuming, high in cost, dependent on equipment and the like, have the advantages of reliable result, simplicity and convenience in operation, high detection efficiency and the like, and are beneficial to popularization and protection of a'high saikosaponin 'radix bupleuri variety and medicinal material quality control.

The invention is suitable for the field of fire-fighting information management, and provides a fire-fighting information management system and method based on the Internet of Things, and the system comprises a thermal imaging and visible light fusion module, a high-temperature region recognition and analysis module, a fire source information screening and confirmation module, and an evacuation analysis module. The progress of the scheme in the aspect of fire-fighting information management is embodied in multiple levels. The early warning capability is improved, so that the system can detect abnormal conditions in time at the early stage of the fire, the early warning capability of the fire is enhanced, and the loss caused by the fire is effectively reduced. Meanwhile, the system provides a scientific basis for command decision making through visual data and comprehensive analysis, so that a decision maker can make more accurate emergency response according to real-time data, and resources and deployment are effectively coordinated. In addition, risk assessment and dynamic behavior analysis enable an emergency management team to configure resources in a more targeted manner and implement fire extinguishing and evacuation measures, so that the efficiency and effect of emergency response are improved.

The invention discloses a primer probe combination for simultaneous detection of multiple pathogens of swine atrophic rhinitis, a kit and application, and further realizes rapid detection, screening and distinguishing of swine atrophic rhinitis caused by co-infection or independent infection of Bordetella bronchiseptica and swine toxin-producing pasteurella multocida through a dual fluorescent quantitative PCR (polymerase chain reaction) method. The kit has the advantages of simple operation, high accuracy and good specificity, and can realize rapid clinical diagnosis and pathogen control.

The utility model relates to test machine interface technical field discloses a kind of test machine interface foolproof mechanism, including substrate, fixed hole is equipped on the substrate, for installing and fixing to substrate;A plurality of first mounting hole and second mounting hole are provided on the substrate, the width between the first mounting hole is greater than the width between the second mounting hole, and first mounting hole and second mounting hole are separated by separation groove;It further includes first connector and second connector, the first connector is adapted to install in second mounting hole, and the second connector is adapted to install in first mounting hole.In the utility model, by the width difference of first mounting hole and second mounting hole, the size difference of first connector and second connector, the identification is pasted in the label slot, multi-dimension avoids external control mechanism and sorting machine sorting interface misconnection, guarantees equipment connection and operating accuracy, reduces the risk of equipment failure, sorting anomaly etc. due to misconnection.

The utility model provides a testing assembly for a circuit board, which relates to the technical field of circuit board testing and comprises a fixing frame. In use, through cooperative use of the fixing frame, the first motor, the first threaded rod, the first installation frame, the second motor, the second threaded rod, the sliding groove and the test assembly, a circuit board to be tested is placed in a groove in the top of the placing frame to be positioned, the back of the circuit board faces downwards, and under the abutting and pushing effects of a plurality of rubber rods, the circuit board to be tested is fixed. Test welding spots on the back of the circuit board can be attached to a plurality of contacts at the bottom in the test frame, the contacts electrify the circuit board and obtain typical values such as voltage values and current values of the circuit board, the test frame is electrically connected with an external detection instrument, feedback signals are sent to a terminal, workers can conveniently compare the feedback signals, and in the test process, the test efficiency is greatly improved. Manual testing is not needed, the testing speed is high, and the testing efficiency of the testing assembly of the circuit board is improved.

This invention relates to a robot path planning method and system based on optical vision, comprising the following steps: acquiring environmental images of the robot's environment and robot motion information; obtaining a dense 3D point cloud map based on the environmental image through contrast enhancement, signal extraction, decoding, and interpolation optimization; generating a semantically labeled 3D point cloud map based on the dense 3D point cloud map and a color RGB visible light environmental image through background culling, image tracking, semantic recognition, and clustering; estimating the robot's motion state based on the semantically labeled 3D point cloud map and robot motion information, performing global and local path planning, and obtaining a local path after trajectory smoothing; and converting the local path into the robot's actual actions by combining the robot's motion state. This invention effectively achieves a balance between cost control and performance improvement through an active optical vision perception architecture and multi-algorithm collaborative design.

The invention provides a water pump control method, an air conditioning system and a computer readable storage medium, and the method comprises the following steps: entering a pilot run mode, and starting a water pump between a water tank and a tail end; judging whether the temperature of the water tank drops within a preset time; if yes, the water system of the air conditioning system is judged to be a secondary system, and if not, the water system of the air conditioning system is judged to be a primary system. According to the method, the temperature of the water tank is detected under the pilot run condition, the system types (a primary system or a secondary system) are rapidly distinguished, a complex sensor network or tedious operation and maintenance tests are not needed in the mode, and system attribute recognition can be efficiently completed within a short time. The water pump is controlled to normally operate in the primary system with energy-saving output power, and the state of the water pump is obtained according to whether the outlet water temperature of the secondary system corresponds to the wind disc or the ground disc under different conditions, so that the system can reduce energy waste and reduce noise.

The invention belongs to the technical field of camellia oil variety identification, and discloses application of acetoin as a feature identifier in identification of Hainan camellia oil. The invention also discloses a method for identifying Hainan camellia oil and Liangguang camellia oil based on the feature identifier, the relative content of acetoin which is a specific volatile matter in a to-be-detected sample is detected by using a gas chromatography-mass spectrometry method, and when the relative content value of acetoin in the to-be-detected sample is greater than 20000000 mAU # imgabs0 # min, the to-be-detected sample is judged to be Hainan camellia oil, and when the relative content value of acetoin in the to-be-detected sample is not greater than 20000000 mAU # imgabs0 # min, the to-be-detected sample is judged to be Hainan camellia oil. When the value of the relative content of the acetoin in the to-be-detected sample is smaller than or equal to 2000000 mAU # imgabs1 # min, the to-be-detected sample is judged to be the Shuangguang camellia oil. According to the method, acetoin is taken as a characteristic indication substance, and the Hainan camellia oil and the Liangguang camellia oil can be quickly identified by detecting the relative content of acetoin in a sample to be detected.

The invention provides a board-level test method and system for a power module device, and the method comprises the steps: transmitting an electric signal to a to-be-tested part of the power module device, and obtaining an output signal of the to-be-tested part; a load is provided for the tested piece, and performance parameters of the tested piece are obtained; performing fault detection on the electric signal, the output signal, the load and / or the performance parameter to obtain fault characteristics of the electric signal, the output signal, the load and / or the performance parameter; and performing parameter adjustment on the electric signal, the output signal, the load and / or the performance parameter based on the fault feature to obtain a corrected power module type device test parameter. According to the method and the device, the fault characteristics are identified and the typical failure mode of the board-level test system is analyzed aiming at various fault modes existing in the board-level test system, so that the fault types can be distinguished more effectively and quickly, and effective and accurate fault tolerance compensation is carried out.

The invention belongs to the technical field of apple molecular genetic breeding, and particularly relates to a gene for improving the GABA content of apples and an SNP molecular marker and application thereof. GWAS is used for analyzing and mining the regulating gene MdHVA22g related to the GABA content of the apple fruits for the first time, the gDNA sequence of the gene is shown as SEQ ID NO.1, the CDS sequence of the gene is shown as SEQ ID NO.2, a corresponding SNP molecular marker is developed through associated SNP, the SNP site is the 678th site of the gDNA of the gene, the polymorphism of the SNP site is A or C, and the GABA content of the apple fruits with the homozygous AA genotype is higher than that of the apple fruits with the homozygous CC genotype and the heterozygous AC genotype at the site. Besides, the dCAPS primer is designed by utilizing the SNP, so that the GABA contents of the apple fruits with different germplasm can be effectively and quickly distinguished, and the breeding of the high GABA variety of the apple can be accelerated.

The invention provides a rapid identification method for muscles of rainbow trout, golden trout and coloured trout, and belongs to the technical field of biological variety identification. The method comprises the following steps: respectively preparing muscle samples of rainbow trout, golden trout and coloured trout; respectively carrying out pretreatment and GC-IMS detection on the prepared sample to obtain each volatile component and peak intensity thereof; on the basis of the peak intensity of each volatile component, principal component analysis and orthogonal partial least square discriminant analysis are respectively carried out, the peak intensity with significant difference and the corresponding volatile component are screened out, and rapid identification of muscles of rainbow trout, golden trout and coloured trout is realized. According to the method, complex pretreatment is not needed, samples can be directly detected and classified, the influence of a pretreatment reagent on the samples is reduced, rainbow trout meat, golden trout meat and coloured trout meat can be rapidly and reliably distinguished, false positive results are reduced, the detection time is only 30 minutes, and compared with PCR, molecular marker and other technologies, the detection time is greatly shortened.

The present invention relates to the application of a gold nanorod solution in a primary screening reagent for exfoliated tumor cells. The gold nanorod solution is etched by a redox reaction in a Gly-HCl buffer solution to quantify intracellular glutathione and glucose and obtain an optical photograph of the color of the etched gold nanorod solution. The obtained optical photograph is subjected to RGB color extraction and then judged to ultimately determine the cell type. The present invention utilizes glutathione overexpressed in tumor cells to reduce a potassium iodate solution to generate an etchant, etches gold nanorods, and simultaneously utilizes the highly absorbed glucose in tumor cells to react with the etchant to inhibit the progress of the etching reaction and produce a stable color change. Tumor cells are visually and accurately identified based on the color changes under two conditions, and are suitable for early prevention and diagnosis of cancer diseases.