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36results about How to "Susceptible" patented technology

Device and method for measuring rotational speed on basis of electrostatic sensor array and data fusion

The invention discloses a device and a method for measuring rotational speed on the basis of an electrostatic sensor array and data fusion, and belongs to the technical scope of measurement of rotational speed. The device for measuring the rotational speed on the basis of the electrostatic sensor array comprises a group of electrostatic sensors, the electrostatic sensors are equidistantly mounted on the periphery of the edge of a measured rotating component to form the electrostatic sensor array, an electrostatic signal reflecting rotational information of the component is generated by the electrostatic sensor array via electrostatic induction, is amplified and filtered by a conditioning unit, and is fed into a microprocessor system via a signal processing unit, and all electrostatic signals are subjected to multi-channel correlation analysis, rotational speed computation and the data fusion in a microprocessor, so that the rotational speed of the measured rotating component is acquired. Compared with existing methods for measuring rotational speed, such as an analog method, a stroboscopic method and a counting method, the method for measuring the rotational speed on the basis of the electrostatic sensor array has the advantages that the structure of the device is simple, cost is low, influence of environmental factors is avoided, the method is a non-contact measurement method, and accuracy is high.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Device and method for testing performance of seawater uranium extraction material

The invention discloses a device and method for testing the performance of a seawater uranium extraction material. A seawater regulation and control system employs a multi-stage filtering mode and canachieve the controllable filtering of marine microorganisms in seawater while removing solid impurities in seawater and can achieve the research of the impact on the performance of the uranium extraction material from the microorganisms. The multi-group parallel operation process of two adsorption placement modes with different modes is adopted, and the controllable process of adsorption conditions is realized. The device adopts a reserved opening design so that the expansion of a columnar adsorption system and a groove-shaped adsorption system can be conveniently realized. The method and thedevice have the advantages of simple process, convenient device operation, good system stability, controllable adsorption conditions and capability of carrying out multiple groups of parallel contrast experiments. The method can effectively realize comprehensive assessment and screening of the performance of the seawater uranium extraction material in a real seawater environment and has importantvalue for research and development of the seawater uranium extraction material and related technical research.
Owner:INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF

Building method of secreting type Laoshan dairy goat mammary gland epithelial cell line

The invention discloses a building method of a secreting type Laoshan dairy goat mammary gland epithelial cell line. The building method disclosed by the invention comprises the following steps: transfecting an exogenous expression vector containing a target gene SV40LT to dairy goat mammary gland epithelial cells to build the transgenic dairy goat mammary gland epithelial cell line; observing anexpression condition of a maker gene copGFP through a fluorescence microscope; and carrying out Puromycin screening to obtain positive cells, wherein PCR verification proves that the target gene SV40LT is integrated into a gene group of the dairy goat mammary gland epithelial cells. According to the building method disclosed by the invention, the built Laoshan dairy goat mammary gland epithelial cell line has an unlimited passage function, can maintain the characteristics of the dairy goat mammary gland epithelial cells, and has functions of synthesizing and secreting proteins, and in the passage process, a core type can be maintained to be normal, and the change of a chromosome structure and the quantity is avoided; and moreover, the Laoshan dairy goat mammary gland epithelial cell line has susceptibility to Gram-negative bacteria, can be used for building animal models having inflammatory response and can be used for researching related diseases.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Solar panel outdoor lamp capable of automatically adjusting angle

The invention discloses an angle self-adjusting solar panel outdoor lamp which comprises an outdoor lamp body, a sunlight tracking mechanism is arranged at the upper end of the outdoor lamp body, a brightness adjusting and fixing mechanism is arranged at the right end of the outdoor lamp body, the sunlight tracking mechanism comprises a supporting frame, a worm, a worm gear, a hollow moving block and a positioning rod, and the upper end of the supporting frame is rotationally connected with the worm. The right end of the worm is meshed with a worm wheel, the lower end of the worm wheel is rotationally connected with a hollowed-out moving block, the right end of the hollowed-out moving block is slidably connected with a positioning rod, and the front end and the rear end of the positioning rod are fixedly connected to the inner surface of one end of the supporting frame. Sunlight irradiates the solar power generation panel to charge the storage battery arranged in the outdoor lamp body, when the sun gradually moves to the west, the solar power generation panel is not irradiated by the sunshine, power generation is finished, and at the moment, when the intelligent power supply controller does not receive current, the intelligent power supply controller turns on the power supply switch to drive the motor.
Owner:张羽洪

Processing method of whole grain vermicelli

ActiveCN102356846BRough surfaceRough appearanceFood preparationMetallurgyCereal grain
The invention discloses a processing method of whole grain vermicelli. The processing method comprises the following steps of carrying out drying, cleaning, grading, stone removal and milling processes on whole grain, carrying out ultramicro-crushing to obtain whole grain superfine powder having fineness less than 74 micrometers, carrying out adjustment on water content of the whole grain superfine powder until the water content is in a range of 10 to 50%, feeding the whole grain superfine powder with water content of 10 to 50% into an extruder for one-step pasting extrusion noodle forming, setting extrusion conditions, wherein a first zone temperature is in a range of 40 to 60 DEG C; a second zone temperature is in a range of 60 to 80 DEG C; a third zone temperature is in a range of 80 to 120 DEG C; a forth zone temperature of 80 to 120 DEG C; a fifth zone temperature is in a range of 120 to 150 DEG C; and a sixth zone temperature is in a range of 70 to 90 DEG C, carrying out extrusion, and carrying out hang drying, cooling, cutting and packaging processes on extruded whole grain noodles to obtain whole grain vermicelli products. The processing method adopts a superfine powder crushing technology and a twin-screw boiling-extrusion physical modification vacuum degassing one-step forming technology to produce the whole grain vermicelli products so that various original nutrientcomponents of natural grain are retained; storage time is prolonged; and whole grain food processing quality and whole grain food edible quality are improved.
Owner:ACAD OF NAT FOOD & STRATEGIC RESERVES ADMINISTRATION

Device and method for measuring rotational speed on basis of electrostatic sensor array and data fusion

The invention discloses a device and a method for measuring rotational speed on the basis of an electrostatic sensor array and data fusion, and belongs to the technical scope of measurement of rotational speed. The device for measuring the rotational speed on the basis of the electrostatic sensor array comprises a group of electrostatic sensors, the electrostatic sensors are equidistantly mounted on the periphery of the edge of a measured rotating component to form the electrostatic sensor array, an electrostatic signal reflecting rotational information of the component is generated by the electrostatic sensor array via electrostatic induction, is amplified and filtered by a conditioning unit, and is fed into a microprocessor system via a signal processing unit, and all electrostatic signals are subjected to multi-channel correlation analysis, rotational speed computation and the data fusion in a microprocessor, so that the rotational speed of the measured rotating component is acquired. Compared with existing methods for measuring rotational speed, such as an analog method, a stroboscopic method and a counting method, the method for measuring the rotational speed on the basis of the electrostatic sensor array has the advantages that the structure of the device is simple, cost is low, influence of environmental factors is avoided, the method is a non-contact measurement method, and accuracy is high.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Method and device for detecting radial drift of rotating body based on electrostatic sensor array

The invention discloses a method and device used for detecting radial drifting of a rotator based on electrostatic sensor arrays and belongs to the technical scope of radial vibration detection of rotary machinery. The device used for detecting radial drifting of the rotator comprises one or more sets of electrostatic senor arrays which are installed on the periphery of the rotator to be detected. According to the method and device used for detecting radial drifting of the rotator based on the electrostatic sensor arrays, an electrostatic signal is generated by each electrostatic sensor through electrostatic induction in the operating process of the rotator, each electrostatic signal is amplified and filtered through a signal conditioning unit and is converted through an analog-digital converter, digital signal processing is then carried out on each converted signal in a microprocessor, the electrostatic strength of a plurality of sets electrostatic signals acquired are calculated and analyzed, and then information of radial drifting of the rotator is obtained. Compared with an existing electrical vortex sensor or an existing laser displacement sensor, the device used for detecting radial drifting of the rotator by means of the electrostatic sensor arrays has the advantages of being simple in structure, low in cost, convenient to operate and maintain, not prone to influence of environmental conditions and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Piezoelectric sensor-based on-line measurement device and method for particle size distribution

The invention discloses a piezoelectric sensor-based on-line measurement device and method for particle size distribution, which belong to the field of gas-solid two-phase flow on-line measurement technique. The on-line measurement device is characterized in that: a collision induction probe is inserted in the middle of a gas-solid two-phase flow pipeline; a piezoelectric sensor is arranged on the collision induction probe; a signal conditioning plate and a data acquisition module are connected with the piezoelectric sensor and a signal processing system; when solid particles are collided with the collision induction probe, the piezoelectric sensor senses a particle collision signal and sends the particle collision signal to the signal conditioning plate and the data acquisition module; and the particle size distribution is obtained through signal processing software and a collision particle model. The device has the characteristic that the piezoelectric sensor is utilized to obtain the collision signal of small particle collision directly so as to realize real-time monitoring on the particle size distribution; the influence of background noise on the collision signal is reduced; and a collision dynamics principle is utilized to build a mathematical model of the collision signal and the particle size, so that the size distribution of measured particles in the pipeline is obtained.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Intelligent polyester cotton yarn carding machine for garment processing

The embodiment of the invention provides an intelligent polyester cotton yarn carding machine for garment processing, and relates to the technical field of cotton yarn carding. The intelligent polyester cotton yarn carding machine for garment processing comprises a rack and a guide mechanism. A carding piece is mounted on the surface of the rack, and carding grooves are formed in the surface of the carding piece at intervals; and the guide mechanism comprises a sliding block and a guide roller, and the sliding block is installed on the surface of the rack in a sliding mode. Through cooperation of the carding piece and the guide roller, cotton yarn is subjected to two-side carding so that cotton fibers and other sundries on the surface of the cotton yarn are removed, the quality of the cotton yarn is improved, and when the cotton yarn is carded, the ring body can limit the moving range of the cotton yarn, the possibility of mutual winding of the cotton yarn is reduced, in addition, the movable end of the first telescopic piece supports the sliding block and the guide roller to move, the guide roller can support the cotton yarn, the cotton yarn tends to be in a tightened state, the possibility that the cotton yarn deviates when being carded on the surface of the guide roller is reduced, and the stability of the cotton yarn in the carding process is improved.
Owner:广州市琳恬服饰有限公司
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