55results about How to "Improve cleaning accuracy" patented technology

The invention discloses large-scale DDoS (Distributed Denial of Service) attack defense system and method based on a two-level linkage mechanism. The method comprises the following steps of: monitoring the flow of a total network by a flow monitoring subsystem in real time, and searching and confirming a DDoS attack behavior; sending an alarm message for triggering a cleaning operation to a flow cleaning subsystem, and guiding the abnormal flow of the DDoS attach behavior to the flow cleaning subsystem; receiving the abnormal flow guided by the flow monitoring subsystem by the flow cleaning subsystem, cleaning the abnormal flow according to the cleaning operation triggered by the alarm message, (wherein the flow cleaning subsystem adopts the two-level architecture of a backbone network plus a local network defense system, and the two levels of cleaning system work cooperatively and clean synchronously), and injecting the cleaned cleaning flow back to a target customer network. The large-scale DDoS attack defense system and method based on the two-level linkage mechanism solve the problems of cleaning capacity, cleaning precision, and the like existing in the traditional DDoS defense technology; and on the basis of reducing the deployment cost of service scale, the large-scale DDoS attach defense capability of the total network is greatly improved, and the cleaning precision ofthe attack flow is increased.

The invention relates to a method for cleaning an insulating oil sample bottle and a utilized cleaning device. The insulating oil sample bottle cleaning method comprises the steps of (1) ultrasonic decontamination: before work, preheating water to a suitable temperature firstly, adding laundry powder, placing an oil sample bottle in a cleaning basket which is then placed in a cleaning tank, rotating the cleaning basket to enable the oil sample bottle to be filled with a cleaning solution, and starting a decontamination ultrasonic generator for the decontamination; and (2) ultrasonic rinse: opening a blowdown valve after the decontamination cleaning is finished, cleaning the cleaning tank appropriately after the cleaning solution is discharged completely, closing the valve, opening a water inlet valve, opening the ultrasonic generator, heating the water to a suitable temperature, placing the oil sample bottle into the water for rinse, and after the oil sample bottle is rinsed cleanly, taking the bottle out of a vessel and performing draining separation. The method for cleaning the insulating oil sample bottle and the utilized cleaning device have the advantages as follows: (1) the cleaning speed is high, the cleaning effect is good, the cleanliness is high, and the damage to the surface of a workpiece is prevented; (2) hands of a worker are not contacted with the cleaning solution, and deep holes, thin seams and hidden positions of the workpiece can also be cleaned up safely and reliably; and (3), the cleaning precision is high, and tiny stain particles can be cleaned powerfully.

The invention relates to the field of laser cleaning equipment, in particular to an underwater laser cleaning device for ships, which is designed for cleaning ships and can directly perform laser cleaning on the bottom of ships in water, with a high degree of automation. The underwater laser cleaning device for ships includes a floating device, a lifting device and a cleaning base. Both the floating device and the lifting device are two. The upper end of the lifting device is connected to the floating device. The lower end is connected, the floating device is provided with a laser generator, and the cleaning base is provided with a laser head, and the laser generator and the laser head are connected through an optical fiber. The floating device floats directly on the water surface, and the cleaning base is suspended in the water through the lifting device, which can directly perform laser cleaning on the bottom of the ship.

The invention provides a bench-type laser precision washing device with dual-wavelength composite energy distribution, comprising a workbench, an X-Y electric module, a turntable component, a laser washing component, and a Z-directional lifting bench; the X-Y electric module is fixedly mounted on the workbench, the turntable component is mounted on the X-Y electric module, the Z-directional lifting bench is mounted on the workbench, and the laser washing component is mounted on a lifting plate of the Z-directional lifting bench; the laser washing component includes a laser, a transmission fiber, a blow nozzle, a laser ranging sensor, a galvanometer scanning system and a dual-wavelength composite reshaping system; a laser beam emitted by the laser is transmitted by the transmission fiber and enters the dual-wavelength composite reshaping system; the dual-wavelength composite reshaping system outputs a dual-wavelength composite reshaped beam that passes through the galvanometer scanning system and is focused on the surface of material. The bench-type laser precision washing device has the advantages that washing uniformity and fineness are improved, damage to material matrix is effectively decreased via circular spacing, and washing quality is greatly improved.

The invention is suitable for the internet information processing field and provides an internet web page cleaning method, an internet web page cleaning system and an internet web page cleaning device. The method comprises the following steps that: an inputted web page is analyzed; the label content of the web page is automatically corrected; a document object model tree is established; block element nodes of HTML provided with representation content in the document object model tree is maintained, and a structural block tree corresponding to the document object model tree is generated; the inputted web page is classified according to the defined web page type on the basis of the structural block tree; semantic block analysis of the web page is performed according to the web type to whichthe web page belongs, and important blocks and text information of the important blocks are extracted and outputted. The internet web page cleaning method can realize cleaning of any web page, has high cleaning accuracy and can be applied in aspects like browsing of mobile terminals, a search engine, subject-oriented information acquisition, automatic information extraction, vertical search and so on.