44results about How to "Sensitive capture" patented technology

The invention provides a method and kit for sorting and/or enriching circulating tumor cells. According to the method, by utilizing an extremely and stable affinity among an anti-Her2 monoclonal antibody marked by biotin, an anti-EpCAM monoclonal antibody marked by biotin and an anti-Trop2 monoclonal antibody marked by biotin and magnetic beads covered with avidin, an immunomagnetic bead method is provided for sorting and/or enriching the circulating tumor cells. The invention further provides a kit used for sorting and/or enriching circulating tumor cells. The method for sorting and/or enriching the circulating the tumor cells can sensitively capture tumor cells, is applicable to conducting wide spectrum screening on the tumor cells, overcomes steric effect defects of common magnetic bead screening, and achieves the effects of efficiently capturing the tumor cells.

The invention discloses a vacuum degree on-line detection method and device for a breaker and a potential information capturing sensor. Based on the vacuum insulation and discharge theory and the actual working conditions of a vacuum interrupter, the internal relation among the dielectric constant in the vacuum interrupter, the shielding case potential characteristic and the vacuum degree in the vacuum interrupter is built, and the vacuum degree in the vacuum interrupter can be obtained by measuring the shielding case potential information of the high-voltage vacuum breaker, so that on-line detection of the vacuum degree of the vacuum breaker can be realized.

The invention provides a manufacturing method of a semiconductor device test sample. The manufacturing method comprises the steps as follows: a substrate is provided; the substrate is subjected to at least one-time oxidation treatment, the oxidation treatment comprises the steps of forming of an oxidation layer on the substrate surface and removing of the oxidation layer, and after the oxidation treatment, when the substrate has a dent mark defect, the size of the dent mark defect is increased; and the test sample is detected, and wafer detection equipment can flexibly capture the defect of a dent mark on the substrate surface on line and timely monitors the defect.

The invention discloses an omni-directional wind speed sensor based on a NTC thermistor. The omni-directional wind speed sensor based on the NTC thermistor comprises a top hood, a cylindrical NTC thermistor, a packaging sensor base, a connecting assembly, a circuit board, a connecting arm, an insulating cap and a cable, wherein a threaded hole is formed in one end of the top hood; outer threads, which are matched with the threaded hole, are arranged at one end, which is close to the top hood, of the connecting assembly; the top hood is connected with the connecting assembly through the outer threads and the threaded hole; and a cavity structure is formed in the middle of the connecting assembly. An end of the cylindrical NTC thermistor is protected by the top hood, meanwhile, air motion in various directions is not affected, the cylindrical NTC thermistor with resistance of 2K ohm is used as a wind sensing probe, large change of a resistance value is realized by low power consumption, so that weak wind speed can be responded quickly, and by a high-precision constant-current source and the combination of an analog amplifying circuit and a high-speed digital acquiring circuit, the weak wind speed can be sensitively captured.

The invention discloses a device and method for sensitively detecting a film penetration pressure value in a film distillation process, wherein the device comprises a gas storage tank, a film penetration test assembly, a direct current power supply, a high-sensitivity electric bridge and a diaphragm to be tested, wherein the film penetration test assembly comprises an accommodating barrel, a flange plate and a bottom plate; the diaphragm to be tested is positioned between the flange plate and the bottom plate; a conducting sheet is arranged between the diaphragm to be tested and the bottom plate; the gas storage tank is connected with the accommodating barrel through a pressure reducing valve, a pressure regulator and a pressure meter; an upper binding post and a lower binding post are further arranged on the upper end of the accommodating barrel and the lower side of the conducting sheet; the direct current power supply is connected with the upper binding post and the lower binding post; two conducting posts are further distributed on the side wall of the accommodating barrel; and the high-sensitivity electric bridge is connected with the two conducting posts. By using the method,the device is used for performing film penetration pressure detection. According to the device and the method provided by the invention, the film soaking phenomenon can be reflected through the electric parameter detection of the film assembly, so that the maximum operation pressure capable of being born by the system can be fast and accurately indicated.

The invention discloses an intelligent closestool flushing system based on a UWB positioning technology, which comprises a base station, a positioning label and a control device, and is characterized in that the control device comprises a CPU control unit, a closestool control unit and a power supply module, and the power supply module is used for supplying power to the control device and the base station; wherein the base station and the positioning label are in signal communication, the base station is electrically connected with the control device, and the CPU control unit is used for controlling opening and closing of a toilet lid and flushing of a toilet through the toilet control unit. According to the intelligent closestool flushing system based on the UWB positioning technology, the corresponding flushing amount can be intelligently provided, the dynamic state of people is sensitively captured, and the sensing capacity of a closestool is improved; and moreover, energy is saved, and the limitation problem of the toilet position of people can be reasonably improved according to the AOA and TOF technologies of UWB.

The invention discloses a double-hearth lime kiln suspension cylinder temperature monitoring method and system and a storage medium. The double-hearth lime kiln suspension cylinder temperature monitoring method comprises the following steps that S1, the air temperature ti of each temperature measuring point i in an airflow cooling flow channel of a suspension cylinder is obtained; s2, an estimated heat transfer constant const is obtained; s3, obtaining the proportional temperature rise aj of the temperature measurement interval j; and according to a proportional temperature rise curve corresponding to the proportional temperature rise aj, determining that the proportional temperature rise aj deviating from a preset threshold value on the proportional temperature rise curve is abnormal temperature rise, and obtaining an area corresponding to the abnormal temperature rise as an overtemperature area. According to the method for monitoring the temperature of the double-hearth lime kiln suspension cylinder, the abnormal temperature rise is dominantly changed through the mean value checking method and the change of the proportional temperature rise, the local overtemperature area is determined, capturing and monitoring of the local overtemperature of the suspension cylinder are more sensitive, and timely early warning can be provided for a production site, so that the service life of the suspension cylinder is effectively prolonged.