34results about How to "Simple and convenient detection operation" patented technology

The invention discloses an oil bushing air-tightness detection device and an oil bushing air-tightness detection method, which belong to the technical field of the detection of an oil bushing. The upper end of a central pipe of a lower intermittence compensation mechanism is in communication connection with an upper connector, the lower end of the central pipe of the lower intermittence compensation mechanism is sealed through a lower connector, the side wall of the middle part of the central pipe is provided with a side hole, a connection sleeve is respectively sleeved outside an upper compression piston mechanism and a lower compression piston mechanism, so that a gap leveled to the side hole is arranged between the upper compression piston mechanism and the lower compression piston mechanism, the upper end of the central pipe is provided with an adjusting nut, an upper rubber sleeve is arranged between the upper compression piston mechanism and the adjusting nut, and a lower rubber sleeve is arranged between the lower compression piston mechanism and the lower connector. According to the oil bushing air-tightness detection device and detection method, the air tightness of the oil bushing can be conveniently and rapidly detected, and a novel detection way is provided for more accurately judging the air tightness of the oil bushing.

The invention discloses a detection device and method for a low-temperature stop valve. The detection device comprises a fixed bottom plate, a first side plate, a second side plate, a guide rod, a screw connecting seat, a screw seat and an adjusting mechanism, wherein the first side plate, the second side plate and the guide rod are mounted on the fixed bottom plate; the screw connecting seat is mounted on the first side plate and has a hollow channel; the screw seat is mounted on the guide rod and has a hollow channel; the adjusting mechanism is mounted on the second side plate and used for adjusting a detection space between the screw connecting seat and the screw seat; one end of the screw connecting seat is connected with a connecting hose used as a detection source and the other end is in threaded connection with a hose connecting end of the too-be-detected stop valve; one end of the screw seat is an inlet end and is in threaded connection with an inner threaded end of the to-be-detected stop valve, the other end of the screw seat is connected with one end of the adjusting mechanism, and an outlet end of the screw seat is arranged on the side wall of the screw seat and used for mounting of a plug. The detection device and method solve the problem that an outer connecting hose and a connection test delivery pipeline are inconvenient to seal during detection tests on the low-temperature stop valve.

The invention discloses an edible oil detecting device, which comprises a bracket, a motor arranged on the bracket, an oil containing box, a temperature controlled heating device, an oil fume sensor, a grease density sensor, a conductivity sensor, and a PLC (Programmable Logic Controller) with a display, wherein the oil containing box is connected to a rotary shaft of the motor cooperatively, theoil containing box is in a funnel shape, the center of the oil containing box is lower than the edge of the box, and the mouth edge of the oil containing box is provided with a grease outlet hole andis matched with a box cover; the temperature controlled heating device is connected to the bracket in a positioning mode and is positioned under the oil containing box; the oil fume sensor is arranged on the box cover of the oil containing box; and the grease density sensor and the conductivity sensor are both arranged on the bracket, and the sensing heads of the grease density sensor and the conductivity sensor face the grease outlet hole. Used oil products can be effectively detected by the device, and the quality of other oil products can also be detected; and the device has high sensitivity and high precision, is easy to operate in detection and is not limited by sites.

The invention relates to establishment of a relay type fluorescence detection of Hg<2+> and S<2-> and aims to solve the problems that very few fluorescence probes are used for relay type fluorescencedetection of Hg<2+> and S<2-> in an aqueous solution in the prior art and recognition of Hg<2+> is easily affected by Au<3+>, Fe<2+> and Fe<3+>. The probe 1,4-o-phenylenediamine-3-(1-amyl benzimidazole)acetanilide chloride [L] can form a stable complex with Hg<2+> in an HEPES aqueous solution, so that fluorescence quenching of L is realized, and the pH value is in the range of 2.0-11.3. The probecan be used for detecting Hg<2+> and has stable fluorescence property; the detection limit of Hg<2+> can reach 4.0*10<-7> mol/L. the compound [L-Hg<2+>] can realize fluorescence detection of S<2->. Therefore, the probe can realize relay type fluorescence detection of Hg<2+> and S<2-> in the aqueous solution and has huge application prospects in the fields of environmental science, analytical chemistry, bioscience and the like.

The invention relates to a rheid leakage testing device and is characterized by comprising a case, a test-piece lock mechanism and an air-pressure balancing and testing system; the front panel of the case is provided with a power switch, a manual valve for selecting, an aeration timer and a test control element; the test-piece fastening mechanism comprises at least two groups of lock sleeve, cone plug, aeration cone tube, lock cylinder and electromagnetic valve; the air-pressure balancing and testing system comprises an observation tube arranged on the case, an air source pressure regulating valve arranged on one side of the case, a standard air bottle in the case, an air bag aerating tube communicated with the standard air bottle and the observation tube, and a test-side aerating tube connected with the observation tube. The invention has the advantages that whether the test-piece has leakage is tested by observing the change of air pressure inside the standard air bottle and the test-piece and whether bubbles are generated in the water in the observation tube, the automation degree is high, the testing operation is simple and quick, the test precision is reliable, the testing quality of the test-piece is improved, the test-piece is prevented from being contaminated in the testing process, and the product quality is ensured.

The invention provides a real-time fluorescence detection method for detecting various pathogens and application. Specifically, the invention provides a novel simple real-time fluorescence detection (RT-) Polymerase Chain Reaction (PCR) method, a reaction system and application of the reaction system in single and multiple detections of the pathogens (in particular viruses) and quantitative detection of gene expression. The tail end 3' is provided with a fluorescence or quenching group-modified fluorescence primer, so that the end 3' is not required to be mispaired with a template; under the action of a 3'-5' excision enzyme correction function of high-fidelity DNA polymerase and any trace non-high-fidelity DNA polymerase, the fluorescence or quenching group at the end 3 is cut off, so that real-time fluorescence detection of pathogen nucleic acids and DNA and mRNA of human genes is realized. The real-time fluorescence detection method is simple in design, quick in operation, high in sensitivity and high in accuracy, and can be widely applied to relevant fields of quick and multiple detection of infectious pathogens, the quantitative detection of the gene expression and the like.

The disclosure relates to a circuit detection method and system, and aims to solve the problems that an existing circuit detection process is complex in operations and low in accuracy; the circuit detection system comprises a controller, a machinery arm, a testing device and a placement table; the controller is respectively coupled to the machinery arm and the testing device; the testing device is coupled to the machinery arm; the placement table is used for placing the tested circuit; the controller is used for controlling a machinery arm probe to make contacts with the tested circuit for detection; the testing device is used for obtaining the measuring result information through the machinery arm probe, and sending the measuring result information to the controller.

The invention discloses a detection machine for magnetic induction distance and high or low resistance of a sensing component of a brake oil storage tank, comprising a frame, an electric control box, a touch display screen, a product transmission mechanism, a magnetic induction distance detection mechanism, a high or low resistance detection mechanism, Unqualified resistance blanking mechanism, industrial marking device and qualified product blanking mechanism, the standard parameter value of magnetic induction distance is pre-stored in the touch screen, magnetic induction distance detection mechanism, high and low resistance detection mechanism, high and low resistance unqualified blanking mechanism, The industrial marking device and the unqualified product feeding mechanism are arranged counterclockwise on the outside of the product conveying mechanism. The high and low resistance detection mechanism is connected with the unqualified high and low resistance feeding mechanism; the magnetic induction distance and the high and low resistance are automatically detected and detected together. High efficiency, low labor intensity of workers, saving labor costs, high detection accuracy, less prone to false detection and false detection, no need for frequent rework and re-inspection, simple and convenient detection operation, and no unnecessary safety hazards.

The invention discloses a method for rapidly detecting florfenicol and florfenicol amine in honey. The method comprises the following steps: S1, preparing a standard solution; s2, carrying out sample pretreatment; s3, carrying out experiment result and analysis; according to the method, a sample is extracted through ammoniated acetonitrile, the sample is purified through a QuEChERs method, the content of florfenicol and florfenicol amine in honey is measured at the same time through liquid chromatography-triple quadrupole tandem mass spectrometry, and quantification is conducted through an internal standard method. The result shows that the linear relation of florfenicol and florfenicol amine is good in the experimental concentration range, the detection limit ranges from 0.05 microgram/kg to 0.2 microgram/kg, the adding standard recovery rate ranges from 96.5% to 105%, and the relative standard deviation (RSD) ranges from 3.8% to 5.3%. According to the conclusion, the method is simple, convenient and rapid in detection operation, and accurate qualitative and quantitative analysis can be carried out on trace florfenicol and florfenicol amine in honey.

The invention provides a mismatched fluorescence tolerance real-time quantitative PCR method for detecting multiple pathogens and an application in virus (particularly RNA virus with high variability)detection. The invention relates to a DNA polymerase (non-high fidelity DNA polymerase) without a 3'->5'exonuclease correction function and a high fidelity DNA polymerase with the 3'->5'exonuclease correction function, a primer is driven to extend under the action of the non-high fidelity DNA polymerase when no mismatch is caused to form a DNA product. When the 3'end of the primer is mismatched with the template, the high-fidelity DNA polymerase excises the mismatched base at the 3'end of the primer, and a common DNA polymerase is responsible for catalyzing DNA synthesis; the method has the advantages of good specificity, high sensitivity, good repeatability, simple operation, convenience and rapidness, and can be widely applied to the related fields of virus detection and the like.

The invention discloses a detection tool for an ATC system. When voltage values of various interface point locations of a connecting device are measured, an external connector of the tool is in matched connection with the connecting device, various connecting noodles of the external connector are correspondingly inserted into the interface point locations of the connector, and measurement circuitscorresponding to the interface point locations one to one can be formed. Switches on the measurement circuits are turned on/off in sequence, the measurement circuits are switched on in sequence, andthen the voltages of the interface point locations are measured through voltmeters in sequence. According to the detection tool for the ATC system, through automatic matching and reliable connection of the external connector and the connecting device, errors caused by human factors in the detection process are greatly avoided, and the detection reliability is improved. The electric shock risk existing in the detection process is avoided, and the test safety factor is improved. Besides, in the way of adding the switches to the measurement circuits, it is convenient for a tester to carry out anexperiment, the detection operation is simple and convenient, and the detection efficiency is improved.