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131results about How to "The detection method is simple" patented technology
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Self-adaptive alternating-current series arc fault detection system based on cloud-edge collaboration
PendingCN119518584AHigh precisionImprove generalization abilityTesting dielectric strengthBiological modelsFrequency couplingSelf adaptive
The invention relates to a self-adaptive alternating-current series arc fault detection system based on cloud edge cooperation, and belongs to the field of arc fault detection. The system comprises an arc fault protector which carries a lightweight arc fault detection model based on depth separable convolution and a reverse residual block, collects a high-frequency coupling signal of a line in real time, and transmits the high-frequency coupling signal to a cloud server; the cloud server receives and screens misjudgment data and unknown load combination fault data uploaded by the arc fault protector in the operation process, and updates an arc fault detection model on the arc fault protector through data enhancement and transfer learning. According to the method, the problems of misjudgment and missed judgment easily occurring when the arc fault protector faces an unknown load combination can be solved.
Owner:FUZHOU UNIV
Method, nucleic acid composition and kit for detecting toxoplasma gondii
PendingCN119530418ASpecific satisfactionmeet the accuracyMicrobiological testing/measurementMicroorganism based processesGondii toxoplasmaNucleotide
The invention discloses a method, a nucleic acid composition and a kit for detecting toxoplasma gondii, and relates to the technical field of toxoplasma gondii detection. The primer comprises an upstream primer and a downstream primer, the nucleotide sequence of the upstream primer and the sequence of SEQ ID NO: 1 have at least 90% identity, and the nucleotide sequence of the downstream primer and the sequence of SEQ ID NO: 2 have at least 90% identity. The nucleic acid composition for detecting the toxoplasma gondii provided by the invention aims at an APICO gene sequence of the toxoplasma gondii, and the sequence is a specific target region of the toxoplasma gondii. A fluorescent quantitative PCR or common PCR detection method established by using the target region can meet the requirements on specificity, accuracy and the like in a method verification process, and the method has important significance on in vitro diagnosis of toxoplasma gondii and in the veterinary field.
Owner:SANGON BIOTECH (SHANGHAI) CO LTD
A primer and probe set, kit, and application for detecting Staphylococcus aureus L based on real-time fluorescence MIRA technology.
ActiveCN121204310BOptimizing real-time fluorescence MIRA detection methodThe detection method is simpleMicrobiological testing/measurementMicroorganism based processesStaphylococcus aureusSingle strand
This invention discloses a primer and probe set, a kit, and their applications for detecting Staphylococcus aureus L based on real-time fluorescence MIRA technology. The primer and probe set consists of single-stranded DNA sequences 1-3. Based on the aforementioned primer and probe set, this invention establishes and optimizes a real-time fluorescence MIRA detection method for Staphylococcus aureus L. Furthermore, the optimized real-time fluorescence MIRA method is innovatively combined with a simplified nucleic acid extraction method and a portable fluorescence detection device, significantly reducing extraction and time costs while enabling rapid on-site detection of the virus, making it particularly suitable for grassroots units and remote areas. In addition, the real-time fluorescence MIRA detection method for Staphylococcus aureus L established in this invention has advantages such as high specificity, high sensitivity, and simple operation. Moreover, the detection process does not require opening the lid, effectively avoiding aerosol contamination, providing an effective technical means for the differential diagnosis and rapid detection of Staphylococcus aureus L.
Owner:FRUIT TREE INST OF CHINESE ACAD OF AGRI SCI
Auxiliary device for bovine tuberculosis kit detection and use method thereof
PendingCN119552743AImprove timelinessimprove accuracyBioreactor/fermenter combinationsBiological substance pretreatmentsDiseaseCattle tuberculosis
The invention belongs to the technical field of biological detection, and particularly relates to an auxiliary device for bovine tuberculosis kit detection and a use method of the auxiliary device. The problems that existing bovine tuberculosis detection equipment is large in size, inconvenient to carry to the site, complex in operation, low in detection efficiency and high in detection cost are solved. According to the scheme, a plurality of vibration assemblies are arranged on a box body, the vibration assemblies are connected with a supporting assembly, the vibration assemblies are used for driving the supporting assembly to move up and down, a storage box is placed on the supporting assembly, a pore plate is arranged on the storage box, and a sample tube is placed on the pore plate; the auxiliary device for bovine tuberculosis kit detection has the advantages of being small in size, light in weight, easy and convenient to operate, convenient to carry, low in cost and the like so as to meet the requirement for on-site rapid detection, especially in areas with limited resources, the timeliness and accuracy of bovine tuberculosis diagnosis are improved, prevention and control measures can be taken in time, and the detection efficiency is improved. Disease transmission risks are reduced, and healthy development of animal husbandry is guaranteed.
Owner:大理市畜牧兽医中心
Clutch assembly detection device and detection method
ActiveCN119147251BSimplify the measurement stepsavoid measurement errorsMachine part testingLaser rangingCoupling
The invention discloses a clutch assembly detection device and a detection method, which specifically relate to the technical field of detection equipment, including an equipment main body, the equipment main body including a fixed seat and a display screen, a torque measuring part, a distance measuring part and a pressure measuring part, the torque measuring part including a torque sensor, a coupling is fixedly connected to the torque sensor, a rotating shaft is fixedly connected to the fixed seat, the distance measuring part includes an annular plate, a plurality of connecting rods are arranged in the annular plate, the distance measuring part includes a pushing frame, a baffle is arranged on the pushing frame, a support plate is arranged on the right side of the annular plate, a laser rangefinder is arranged at the left end of the support plate, the pressure measuring part includes a release bearing, and a pressure sensor is arranged at the left end of the release bearing. The invention can directly measure the free stroke and release stroke data of the clutch assembly, simplify the measurement method, improve the detection accuracy and detection efficiency, and can measure the output torque of the motor under different loads according to the displacement data change.
Owner:平阳博翔汽车新能源科技有限公司
Vehicle-mounted display screen lens falling detection device
ActiveCN222528912UAchieve all-round detection of anti-fallno risk of sheddingInternal combustion piston enginesApparatus for force/torque/work measurementIn vehicleMechanical engineering
Owner:WEIHAI JITONG OPTICAL TECHNOLOGY CO LTD
Linear guide rail pitch detection device
ActiveCN222481354UGuaranteed accuracyImprove detection accuracyMechanical clearance measurementsControl engineeringControl theory
The utility model relates to the technical field of pitch detection, and particularly discloses a linear guide rail pitch detection device which comprises a base and a positioning mechanism, a first sliding rail is arranged at the upper end of the base, stand columns are arranged at the two ends of the first sliding rail, and a graduated scale is arranged between the two stand columns. The positioning mechanism comprises a positioning rod and a first sliding block matched with the first sliding rail, the upper end of the first sliding block is connected with a supporting block, the positioning rod is in vertical sliding fit with the supporting block, the lower end of the positioning rod is provided with a positioning cone matched with a linear guide rail installation hole, and the upper end of the first sliding block is connected with an indicating rod. The indicating rod is tightly attached to the graduated scale, the side wall of the indicating rod is provided with indicating lines used for indicating scales, and the indicating lines correspond to the front and back positions of the center line of the positioning cone. According to the utility model, the automatic centering of the mounting hole during detection is realized, the accuracy of the detection position is ensured, the detection precision is improved, the detection mode is simple, the operation is convenient, and the detection efficiency is improved.
Owner:山东台稳精密机械有限公司
Ratio fluorescence sensor based on fluorescein isothiocyanate labeled metal organic framework and application of ratio fluorescence sensor in escherichia coli detection
InactiveCN119464441ADecreased fluorescence intensityRealize quantitative detectionMicrobiological testing/measurementMicroorganism based processesMetal-organic frameworkUltraviolet lights
The invention discloses application of a ratiometric fluorescence sensor based on a fluorescein isothiocyanate labeled metal organic framework in escherichia coli detection. The method comprises the following steps: synthesizing ZTMs by taking TPPS as a ligand, and then fully incubating with FITC to prepare ZTMs (at) FITC; according to the present invention, Escherichia coli is used to reduce Cu < 2 + > to Cu < + >, such that the fluorescence intensity of ZTMs (at) FITC is changed, the fluorescence intensity of the emission peak at the 515 nm position is reduced, the fluorescence intensity of the emission peak at the 683 nm position is increased, and the color of the solution is observed to gradually change from yellow to orange and finally to red under the 365 nm ultraviolet light; and rapid and sensitive detection of the escherichia coli is realized through the ratio of the fluorescence intensities of the two emission peaks. According to the detection method, the accuracy of a detection result is improved, errors caused by environment, instruments and manual operation can be avoided, professional operators are not needed, the method has the advantages of being rapid, simple and independent of expensive instruments and equipment, and the detection cost is reduced.
Owner:CHANGZHOU UNIV
Steel pipeline defect detection method and device
ActiveCN119510553AThe detection method is simpleHigh precisionMaterial magnetic variablesSteel pipelineMechanical engineering
The invention provides a steel pipeline defect detection method and device. The steel pipeline defect detection method comprises the following steps: S1, detecting by using a transient electromagnetic method: transmitting a transient electromagnetic excitation signal to a steel pipeline, generating a transient electromagnetic attenuation signal after the surface of the steel pipeline is excited by the transient electromagnetic excitation signal, and receiving the transient electromagnetic attenuation signal generated on the surface of the steel pipeline; s2, weak magnetic detection signals generated on the surface of the steel pipeline are detected through a weak magnetic method; and S3, performing fusion enhancement processing on the transient electromagnetic attenuation signal and the weak magnetic detection signal. The steel pipeline defect detection device comprises a weak magnetic detection device, a transient electromagnetic detection device and a data fusion upper computer for fusing weak magnetic detection signals and transient electromagnetic signals. According to the invention, nondestructive testing is realized by measuring electrical variables or magnetic variables.
Owner:INNER MONGOLIA RESEARCH INSTITUTE CHINA UNIVERSITY OF MINING AND TECHNOLOGY (BEIJING) +2
Coke oven vehicle alignment precision confirmation device
ActiveCN119529861AGuaranteed detection effectavoid damageCoke oven safety devicesDischarging devicesCoke ovenEnergy storage
The invention discloses a coke oven vehicle alignment precision confirmation device, and relates to the technical field of coke oven vehicle alignment devices, the coke oven vehicle alignment precision confirmation device comprises a vehicle body and a coke pushing rod, and further comprises a regulation and control part, the regulation and control part is used for finely adjusting the position of the coke pushing rod on the vehicle body, and the regulation and control part comprises a mounting frame; the vehicle body is provided with a mounting groove in left-right sliding fit with the mounting frame, and the mounting groove is provided with a regulation and control assembly matched with the mounting frame. And the conveying part is used for conveying the coke pushing rods on the mounting frame front and back. The coke pushing rod alignment precision detection device has the advantages that the coke pushing rod alignment precision detection mode is simple, secondary positioning can be subjected to energy storage through the position change of the alignment detection plate in the detection process, secondary positioning of the coke pushing rod is directly and automatically completed after detection is completed, it is guaranteed that follow-up coke pushing treatment is carried out smoothly, manual secondary calibration is not needed, and the detection efficiency is improved. The automation degree is high, and the coke pushing efficiency can be greatly improved.
Owner:TAIYUAN SILIAN INTELLIGENT ELECTRICAL TECH CO LTD
Fingerprint Spectrum Detection Method and Fingerprint Spectrum of Angong Niuhuang Pills
ActiveCN116106449Bimprove accuracyThe detection method is simpleComponent separationAgainst vector-borne diseases
The invention relates to the technical field of traditional Chinese medicine detection, in particular to a fingerprint detection method for Angong Niuhuang Pills and a fingerprint thereof; a fingerprint detection method for Angong Niuhuang Pills, comprising the following steps: preparing a test solution: weighing the Angong Niuhuang Pills, crushing them, adding diatomaceous earth to mix them, and then performing microwave drying and freezing treatment, adding a methanol solution to perform ultrasonic extraction, and filtering to obtain a test solution; preparing a reference solution: respectively weighing musk, borneol, curcuma, gardenia, scutellaria, coptis root, and bezoar, adding a methanol solution to dissolve them, and obtaining a reference solution; determining the fingerprint of the Angong Niuhuang Pills by high performance liquid chromatography; the invention adopts high performance liquid chromatography and reasonably controls the chromatographic conditions, so that the fingerprint obtained by the invention can perform more comprehensive quality evaluation on the Angong Niuhuang Pills, and the detection method is simple and rapid, has high accuracy, good repeatability, good stability, and good durability.
Owner:NANJING TONGRENTANG PHARM CO LTD
Needle bearing assembly detection mechanism
ActiveCN222505808UThe detection method is simpleImprove detection accuracyMachine part testingApparatus for force/torque/work measurementNeedle roller bearingClassical mechanics
The utility model relates to the technical field of needle bearing detection, and more specifically relates to a needle bearing assembly detection mechanism comprising a rotating shaft; the first fixing assembly is arranged corresponding to the rotating shaft, and a gap for fixing a bearing to be detected is reserved between the first fixing assembly and the rotating shaft; the second fixing assembly is arranged corresponding to the rotating shaft; the driving mechanism is connected with the rotating shaft and is used for driving the rotating shaft to rotate; and the pressure detection mechanism is correspondingly arranged between the first fixing assembly and the second fixing assembly and abuts against the rotating shaft. The utility model discloses a needle bearing assembly detection mechanism, and aims to solve the problem of low accuracy of a needle bearing detection mechanism in the prior art.
Owner:HANGZHOU LINXIN MASCH CO LTD
Defect detection method of diamond composite material
PendingCN119643639AThe detection method is simpleImprove detection accuracyMaterial flaws investigationImaging equipmentThermography
The invention provides a diamond composite material defect detection method, and belongs to the technical field of diamond composite material detection, and the diamond composite material defect detection method comprises the following steps: S100, arranging a heating sheet on the upper surface of a diamond composite material, and covering the whole upper surface of the diamond composite material with the heating sheet; s200, after the heating sheet is heated, the temperature rises, and heat transfer is generated between the heating sheet and the diamond compound; s300, thermal imaging equipment is adopted to detect the temperature of the heating sheet, and the thermal imaging equipment generates a thermal imaging distribution diagram according to a detection result; and S400, observing the thermal imaging distribution diagram, wherein a hot spot area of the thermal imaging distribution diagram is the defect area of the diamond compound. The invention provides a defect detection method for a diamond composite material, and aims to solve the problem that the detection precision of the diamond composite material is relatively low due to the fact that defects of a bonding surface of the diamond composite material cannot be effectively detected in the prior art.
Owner:BOWEI INTEGRATED CIRCUITS CO LTD
Contactor contact adhesion detection method and device, electronic equipment and storage medium
PendingCN119575164AThe detection method is simpleThe detection method is accurateElectric connection testingAir heatersTemperature controlProcess engineering
The embodiment of the invention discloses a contactor contact adhesion detection method and device, electronic equipment and a storage medium. The method comprises the steps that a contactor is controlled to be conducted, and the first temperature of a heater is obtained; controlling the contactor to be disconnected to obtain the current second temperature of the heater; after the contactor is disconnected, a fan for cooling the heater is controlled to run for a first preset time, and a third temperature of the heater when the fan stops running is obtained; after the fan runs for the first preset time, the heater is controlled to stand for the second preset time, and the fourth temperature of the heater after standing is obtained; and determining whether the contactor contact is adhered according to the difference degree of the second temperature, the third temperature and the fourth temperature. According to the technical scheme provided by the embodiment of the invention, an auxiliary detection contact does not need to be additionally arranged, whether the contact of the high-voltage direct-current contactor is adhered or not can be judged only by comparing the temperatures of the high-voltage PTC heater in different states, and the detection method is simple, accurate and relatively low in cost.
Owner:KAILONG HIGH TECH CO LTD
Sheet metal cabinet case size detection device based on laser ranging
The utility model discloses a kind of sheet metal cabinet case size detection devices of laser ranging, it is related to cabinet case measurement technical field, including base, base is provided with arc hole;Support frame sliding limit is in arc hole, support frame bottom is connected with rotating member, detection component includes sliding part, overturning part and detection part;L-shaped positioning block is positioned with the corner of the cabinet case to cooperate sliding part, overturning part, detection part and rotating member to detect the size of cabinet case.The utility model solves the higher cost, the difficulty of debugging and data measurement inaccuracy caused by the need of multiple laser range finders to complete the detection device device of existing, by rotating member, the cooperation of sliding part, overturning part and L-shaped positioning plate position cabinet case, can realize only by one detection part completes the measurement of cabinet case size, and detection mode is simple and efficient.
Owner:GUANGRI SUPPLY CHAIN MANAGEMENT (SICHUAN) CO LTD
SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, amplification primer and application of SNP molecular marker in soybean breeding
PendingCN121951102ALarge detection throughput potentialHigh polymorphismMicrobiological testing/measurementDNA/RNA fragmentationSoybean mosaic virusGenetics
The invention relates to the technical field of biology, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker related to soybean mosaic virus resistance, an amplification primer and application of the SNP molecular marker in soybean breeding. The SNP molecular marker is located at the 910489bp site of a No.7 chromosome of a soybean genome, and the polymorphism of the SNP molecular marker is C / A. The invention provides application of the SNP molecular marker related to the soybean mosaic virus resistance in identification or auxiliary identification of the soybean mosaic virus resistance. By providing the accurate, simple, convenient and low-cost SNP molecular marker and the detection method thereof, early-stage, rapid and efficient molecular-assisted selection of soybean mosaic virus resistance characters is realized, so that the breeding process of a new variety of disease-resistant soybeans can be remarkably accelerated, and the SNP molecular marker has important breeding application value.
Owner:NORTHEAST NORMAL UNIVERSITY
A method for digital radiographic detection of a generator set blade, a device thereof and an analysis method
PendingCN122282814AThe detection method is simpleclear identificationFlat panel detectorTurbine blade
This invention relates to a digital radiographic inspection method and apparatus for wind turbine blades, belonging to the field of wind turbine blade inspection technology. The method includes: placing and fixing the turbine blade on a blade fixture; mounting the X-ray machine on the X-ray machine fixture; defining a detection grid in the inspection area of the turbine blade; tightly attaching and fixing the X-ray flat panel detector to the turbine blade; and sequentially inspecting each grid of the turbine blade according to the detection grid. This invention, through the combination of the blade fixture, the X-ray machine fixture, the X-ray machine, and the X-ray flat panel detector, constitutes a digital radiographic inspection apparatus for turbine blades. This apparatus enables the detection of defects in wind turbine blades. The inspection method of this invention is simple and rapid; the inspection images obtained by this invention can clearly and accurately identify defects in wind turbine blades, with a defect detection rate of 100%.
Owner:CHINA NAT PETROLEUM CORP +1
Plasma polypeptide marker COL1A2 related to tumor bone metastasis and pain and application
ActiveCN119555940AThe detection method is simplelow costMaterial analysisTransformation efficiencyOncology
The invention relates to the field of biological detection, and discloses a plasma polypeptide marker COL1A2 related to tumor bone metastasis and pain and application. Aiming at the problem that early diagnosis of bone cancer pain and tumor bone metastasis is difficult, by detecting the level of circulating COL1A2 in plasma, it is found that the circulating COL1A2 is remarkably up-regulated in patients with tumor bone metastasis and bone cancer pain and is remarkably related to clinical pain score and tumor staging. A sensitive and specific COL1A2 detection method is established by adopting an enzyme-linked immunosorbent assay (ELISA) technology, and occurrence and staging of bone cancer pain and tumor bone metastasis can be identified with high prediction efficiency that AUC is 0.95 and 0.94 respectively. The method is low in detection cost, simple and convenient to operate and suitable for clinical popularization and application, and scientific basis and technical support are provided for screening of high-risk groups, early diagnosis of bone metastasis, pain staging and personalized treatment. The invention has important significance for optimizing diagnosis and treatment strategies of patients suffering from bone cancer pain and improving clinical transformation efficiency.
Owner:SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
A system and method for testing dielectric properties of a wave-transparent material under high temperature and high pressure
The application aims to provide a dielectric property testing system and method of a wave-transparent material under high temperature and high pressure, and belongs to the technical field of microwave and millimeter wave dielectric material testing. The system innovatively adds a temperature device for heating and a pressure device for pressurizing in a conventional quasi-optical cavity method testing device, and sets a fused quartz considering the influence of temperature and pressure on the optical cavity, so that the system can test the dielectric property of the wave-transparent material under high temperature and high pressure by using the quasi-optical cavity method. Meanwhile, the system is simple to operate and has high testing precision.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Preparation method of cylindrical battery and cylindrical battery
ActiveCN119674167AThe detection method is simpleAccurate detectionFinal product manufactureSecondary cells manufactureElectrical batteryInternal resistance
In order to solve the problem that short-circuited cylindrical batteries cannot be effectively screened in the prior art, the invention provides a preparation method of a cylindrical battery and the cylindrical battery. The preparation method of the cylindrical battery comprises the following steps: forming a roll core by a positive plate, a diaphragm and a negative plate; the first internal resistance test equipment tests the internal resistance of the roll core, and the single roll core test time is less than or equal to the winding beat of the winding equipment; if the test internal resistance of the roll core is smaller than the first internal resistance, the roll core is short-circuited, and if the roll core internal resistance is larger than or equal to the first internal resistance, the roll core is qualified; putting the qualified roll core into a shell, and carrying out groove rolling on the shell to obtain a semi-finished battery; the second internal resistance test equipment tests the internal resistance of the semi-finished batteries, and the test time of a single semi-finished battery is less than or equal to the channeling beat of the channeling equipment; if the internal resistance of the semi-finished battery is smaller than the second internal resistance, the battery is short-circuited, and if the internal resistance of the semi-finished battery is larger than or equal to the second internal resistance, the battery is qualified. According to the preparation method provided by the invention, detection can be more accurately completed within limited time, and the detection efficiency and accuracy are improved.
Owner:HIGHPOWER TECH HUIZHOU
SNP molecular marker related to acid content of sesame seed oil and application
The application discloses a SNP molecular marker related to the content of oleic acid in sesame seeds and application, and belongs to the technical field of molecular marker breeding. The SNP molecular marker related to the content of oleic acid in sesame seeds is located at 2754308 bp of the No. 3 chromosome, the genotype GG corresponds to the content of oleic acid which is significantly higher than that of AA (the difference reaches the extremely significant level of 0.01), and the accurate differentiation of high / low oleic acid germplasm can be realized. Early genotype identification can be carried out at the seedling stage of sesame by using the marker, and the breeding cycle is greatly shortened and the selection efficiency is improved without waiting for seed maturation. The marker is stable and reliable under different genetic backgrounds, is less affected by the environment, and is simple, high-flux and low-cost in detection, is suitable for large-scale automatic screening, can be directly used for molecular marker assisted selection of high-oleic-acid sesame varieties, accelerates the cultivation of high-quality new varieties, and has important application value for improving the sesame oil quality and market competitiveness.
Owner:INST OF CEREAL & OIL CROPS HEBEI ACAD OF AGRI & FORESTRY SCI
Wall surface flatness detection device
ActiveCN222617840UThe detection method is simpleImprove detection accuracyElectric/magnetic roughness/irregularity measurementsDisplay deviceStructural engineering
The utility model discloses a wall surface flatness detection device, which relates to the field of wall surface detection, and comprises a guide rail which extends along a wall foot of a wall surface to be detected; the detection trolley is detachably matched with the guide rail, and a driving mechanism is arranged on the detection trolley; the detection assembly comprises a lifting mechanism, a base, a detection rod, a spring, a slide rheostat and a display, the lifting mechanism is connected with the base, the detection rod is arranged on the base in a horizontal sliding mode, the spring is arranged on the detection rod in a sleeving mode and connected with the detection rod and the base, one end of the detection rod is a detection end used for abutting against a to-be-detected wall, and the other end of the detection rod is a display. And the other end is fixedly connected with a slip sheet of the slide rheostat. The device reflects the flatness change condition of the wall surface by utilizing the electric signal change caused by the movement of the slide sheet of the slide rheostat during detection, is simple and convenient, has high detection precision, can limit the movement of the detection trolley through the guide rail, is not easy to deviate, and does not affect the accuracy of the detection result.
Owner:YANGYI GRP CO LTD
Cell composition, preparation method and application thereof
InactiveCN119432734AThe detection method is simplehigh precisionGenetically modified cellsMicrobiological testing/measurementMonoclonal antibodyEffector cell
The invention relates to the field of biological detection, in particular to a cell composition as well as a preparation method and application thereof. The invention provides a cell composition. The cell composition comprises effector cells and target cells, the effector cells are obtained by performing primary activation, secondary activation, culture and cell collection on PBMC cells; the first activation adopts a CD3 monoclonal antibody; in the second activation, rhIL-2, rhIL-4, rhG-CSF, rhTNF-alpha and rhIFN-gamma are adopted; the target cells are obtained after HLA high-resolution typing screening. The invention provides a method for detecting the killing activity of a human in-vitro immune cell activation preparation on tumor cells. The effectiveness of the prepared preparation for treating tumor diseases is quickly, effectively and intuitively evaluated.
Owner:YUNNAN PRECISION INSPECTION CO LTD
Instrument for detecting leakage of vacuum container by using sound
ActiveCN222618131Ureduce intensityReduce energy consumptionDetection of fluid at leakage pointSound detectionMechanical engineering
The utility model belongs to the technical field of water cup production, and particularly relates to an instrument for detecting leakage of a vacuum container by using sound, which comprises a base, and a mounting rack, a knocking assembly and a sound sensor are arranged on the base. A positioning assembly and a clamping assembly are arranged on the mounting frame, the positioning assembly is used for positioning a to-be-tested container, and the clamping assembly is used for clamping the to-be-tested container; the knocking assembly is used for knocking the outer bottom of the container and comprises a knocking power source and a hammer; and the sound sensor is arranged in the container, is used for receiving sound and is connected with the computer. The device is low in energy consumption and simple in detection method.
Owner:SHANGHAI TRACE MEASUREMENT TECH CO LTD
Electrochemical sensor, graphite foil electrode for monitoring carbendazim and preparation method thereof
ActiveCN118746608BEasy to prepareeasy to useMaterial electrochemical variablesGraphiteSingle electrode
The present invention relates to an electrochemical sensor, a graphite foil electrode for monitoring carbendazim and a preparation method thereof, wherein the graphite foil electrode for monitoring carbendazim comprises: a graphite foil substrate and graphene nanosheets vertically and uprightly distributed on the surface of the graphite foil substrate, wherein the graphene nanosheets and the graphite foil substrate are seamlessly connected; the graphene nanosheets and the graphite foil substrate are prepared by electrochemical stripping of a piece of graphite foil; the oxygen content in the graphite foil electrode is 15%-25%; and the nitrogen content is 3%-10%. The beneficial effect is that the graphite foil electrode, as a self-supporting electrode, can be directly used as a working electrode of an electrochemical sensor. The cost of the raw material graphite foil is low, the preparation method of the graphite foil electrode is simple, the electrode has high reusability, and has good application prospects.
Owner:ZHAOQING UNIV
Method and device for detecting rotation of knob and kitchen range
ActiveCN119617474AThe detection method is simpleeasy to useDomestic stoves or rangesLighting and heating apparatusTouchscreenElectrical and Electronics engineering
The invention discloses a rotation detection method and device of a rotary knob and a kitchen range, the rotary knob is used for being connected with a panel of the kitchen range, the rotary knob comprises a rotating unit and a fixing unit, and the rotating unit comprises an ejector rod part used for forming a first electric contact point with the panel and an inner shell part used for forming a second electric contact point with the panel; the rotation detection method comprises the following steps: generating a reference position according to a first electric contact point; respectively generating a first position and a second position according to the change of the second electric contact point; and calculating the current rotation state of the knob according to the reference position, the first position and the second position. According to the scheme, the touch screen can be used for detection, and the knob and the touch screen do not need to be connected through a wire. Wherein a first electric contact point of the ejector rod part and the touch screen can be used as a reference position, a second electric contact point of the inner shell part and the touch screen can be used as a detection point, so that the current rotation state of the knob is calculated together with the reference position, and the detection mode is simple and is convenient to be combined with the touch screen for use.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
Semiconductor rinse tank water leakage detection equipment
ActiveCN119555299AThe detection method is simpleeasy to observeDetection of fluid at leakage pointWater leakageEnvironmental engineering
The invention relates to the technical field of water leakage detection, in particular to water leakage detection equipment for a semiconductor cleaning tank. Comprising a detection pool, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is arranged far away from the bottom wall of the detection pool; the liquid outlet pipe is arranged close to the bottom wall of the detection pool; the specification of the detection pool is larger than that of the cleaning tank body; detection liquid is injected into the detection pool; a detection plate is arranged right above the center of the detection pool; the shape and specification of the detection plate are matched with the cross section of the inner wall of the cleaning tank body; the detection plate moves downwards to enter the inner side of the cleaning tank body, so that after the gas pressure of the inner side of the cleaning tank body is increased, the bubble generation condition of detection liquid around the cleaning tank body is observed, water leakage detection of the semiconductor cleaning tank is rapidly completed, and compared with an existing detection mode that the cleaning tank body is filled with the detection liquid, the detection efficiency is improved. The detection mode is more convenient and faster.
Owner:JIANGSU OKFLON SEALING TECH CO LTD
Application and method of metabolic marker
ActiveCN119667156AImprove versatilityThe detection method is simpleBiological testingPharmaceutical drugTherapeutic effect
The invention discloses application and a method of a metabolic marker. Comprising an application of the metabolic marker in preparing a medicine for detecting the effectiveness of liver cancer immunotherapy and a method for detecting the effect of liver cancer immunotherapy by using the metabolic marker. The metabolic marker with high specificity, universality and reliability is used as a marker, animal experiments prove that the specific inhibition of the metabolic marker can enhance the curative effect of liver cancer immunotherapy, and the metabolic marker has clinical transformation potential.
Owner:THE FIRST AFFILIATED HOSPITAL ZHEJIANG UNIV COLLEGE OF MEDICINE
Novel child birthmark scar detection device
ActiveCN222466882UImprove convenienceImprove detection efficiencySensorsDiagnostic recording/measuringDisplay deviceElectric machinery
The utility model provides a novel child birthmark scar detection device which comprises a bottom plate, a protective cover is fixed on the top surface of the bottom plate, the protective cover is of an arc-shaped structure, a light bar is embedded in the inner wall of the protective cover, two first sliding rails are fixed on the inner wall of the protective cover, and the two first sliding rails are arranged in a mirror image mode relative to the vertical center line of the protective cover. A detection support assembly is inserted between the two first sliding rails and slidably arranged on the top face of the bottom plate, an end cover is fixed to the end face of one side of the protective cover, a detection mechanism is connected to one side of the end cover and arranged in the protective cover, and a displayer is embedded in the top face of the protective cover. A child lies on the detection support assembly, then the motor is used for synchronously driving the first belt wheel and the second belt wheel, the look-up detection assembly is made to carry out mobile detection on birthmark scars of the child at the bottom of the detection support assembly, and the look-around detection assembly is made to carry out look-around detection on the body of the child through overturning of a swing rod. And the detection convenience and the detection efficiency are improved.
Owner:ZHENGZHOU FUDA DERMATOLOGY HOSPITAL CO LTD
A new type of high voltage cable coupler
ActiveCN224384707UThe detection method is simpleget rid of shacklesTesting dielectric strengthCoupling device detailsControl engineeringElectric cables
This utility model relates to a novel high-voltage cable coupler, comprising a coupler plug, a coupler socket, a measurement module, and an energy harvesting module. Windows and / or aviation sockets are provided on both the coupler plug and the coupler socket. The measurement module and the energy harvesting module are encapsulated within the entire cable coupler. The high-voltage cable coupler in this design has windows for wireless communication, optical detection, and image recognition functions. This design detects the ambient temperature and humidity, arc light, contact temperature, electrical quantities, and internal temperature of the high-voltage cable coupler, providing support for intelligent monitoring and status judgment, fault detection, and location of the high-voltage cable coupler. The energy harvesting module in this design features adaptive energy management, adapting to various complex environments, eliminating the need for an external power source, freeing it from energy constraints, improving equipment autonomy, reliability, and sustainability, and reducing maintenance costs.
Owner:NANJING HONGYI ELECTRICAL APPLIANCE AUTOMATION CO LTD