8results about How to "Ensure coverage" patented technology

The present application belongs to the technical field of boiler four-pipe leakage, and discloses a boiler four-pipe leakage risk early warning method and system based on oxide skin evolution, which comprises the following steps: constructing an oxide skin generation model and an oxide skin peeling determination model, encapsulating them into the same model group in a correlated combination manner to obtain an oxide skin evolution model set; obtaining a state feature vector, mapping the state feature vector to a spatial position, obtaining an oxide skin growth thickness prediction value and an oxide skin peeling risk index based on the oxide skin generation model and the oxide skin peeling determination model; weighting and fusing the temperature change rate and the pressure change rate in the state feature vector to obtain an oxide skin evolution comprehensive risk index; comparing the oxide skin evolution comprehensive risk index with a preset risk threshold to obtain the risk grade of each spatial position unit, and obtaining the boiler four-pipe leakage risk early warning according to the risk grade and the oxide skin evolution comprehensive risk index, thereby avoiding four-pipe leakage, pipe explosion and other faults caused by oxide skin growth and peeling in advance, and reducing the probability of unplanned shutdown.

The utility model discloses a cigarette case packaging paper flatness detection device belongs to tobacco packaging detection technical field, including frame, width adjusting mechanism and fixed part, be equipped with paper conveying mechanism on the frame, and the both sides of frame are equipped with the baffle for guiding paper, width adjusting mechanism is connected with two baffle, is used for adjusting the interval between two baffle according to the width of paper, the fixed part includes the mounting plate on two baffle respectively and with the synchronous movement of baffle, the utility model discloses the interval between baffle is adjusted through width adjusting mechanism and adapts to the paper sheet guiding of different width at the same time, drives the length of fixed part to carry out synchronous adjustment, makes a plurality of laser displacement sensor can carry out interval adjustment along paper conveying component width direction synchronously, makes laser displacement sensor can cover the surface of current width paper sheet, ensures the coverage and precision stability when detecting paper sheet of different width.

The present disclosure provides a transaction data processing method and device, the method comprising: receiving a transaction request sent by a user account; preprocessing original transaction data in the transaction request to obtain target transaction data; wherein the target transaction data comprises context data of the original transaction data; performing preliminary risk identification on the target transaction data according to a set risk identification rule to obtain a preliminary risk identification result; in response to the preliminary risk identification result indicating that the target transaction data is normal transaction data, performing secondary risk identification on the target transaction data using a risk identification model to obtain a secondary risk identification result; and in response to the secondary risk identification result indicating that the risk level of the target transaction data is uncertain, performing risk analysis on the target transaction data using a large language model to generate a risk analysis result of the target transaction data; through hierarchical and progressive risk identification and analysis of transaction data, the accuracy and comprehensiveness of risk judgment can be improved.

The pressure-sensitive color-developing flexible thin film assembly comprises a first thin film and a second thin film, the first film comprises an upper layer and a lower layer, the upper layer is a transparent protective layer, and the lower layer is a pressure-sensitive developing capsule layer; the second film comprises an upper layer and a lower layer, the upper layer is a color developing agent layer, and the lower layer is a substrate layer; when the pressure-sensitive color developing capsule is broken, a dye precursor flows out, and the dye precursor can react with the color developing agent layer to develop color. According to the invention, a hard paper substrate in traditional pressure sensitive paper is improved, and a gauze element or a fabric with relatively high flexibility is adopted, so that the laying property of the pressure sensitive paper is ensured, and the pressure sensitive paper can be tightly laid on the surface of a curved-surface-shaped workpiece.

The application discloses an ultra-thin woven pile electronic package material fabric and a preparation method thereof. The fabric is interwoven by warp yarn, weft yarn and terry yarn through satin weave, the thickness of the fabric is 0.20-0.25 mm, the fabric surface has pile formed by the terry yarn after sanding, the height of the pile is 0.05-0.10 mm, and the pile height H and the fabric thickness T satisfy H / T<=0.5. The warp yarn and the weft yarn are high-shrinkage polyester, the terry yarn is low-shrinkage polyester, and the root of the terry yarn is clamped and fixed by the warp yarn and the weft yarn in the shrinkage state. The application realizes accurate control and firm anchoring of the pile under the thickness of 0.20-0.25 mm through the cooperation of the satin weave and the high-shrinkage warp yarn and weft yarn, so that the woven pile fabric has the performances of ultra-thin, soft, size stability and non-falling of the cut edge, and the problems of the existing ultra-thin pile fabric, i.e. the pile penetrating the fabric or easily falling off, are solved.

The application discloses a face recognition database image automatic updating method and system in security scenarios, and relates to the technical field of face recognition, comprising the following steps: collecting at least two kinds of identity certificate information for weighted fusion verification; continuously collecting multiple frames of face images at a variable frame rate after verification; performing multi-dimensional quality assessment on each frame of image in terms of definition, brightness, attitude angle and shielding; selecting an optimal candidate set with qualified quality and complementary attitude; calculating the marginal incremental contribution of the candidate set to determine whether the updating condition is met; performing direct addition or elimination and replacement based on multi-dimensional utility score according to the sub-database capacity; entering the verification observation period after updating, and automatically rolling back when the recognition fails and exceeds the threshold value. The application adopts the above method and system, ensures safety through multi-source fusion verification, improves the database quality through complementary attitude and incremental contribution evaluation, realizes dynamic evolution through multi-dimensional utility score, and guarantees robustness through the rollback mechanism.

The application provides an element recognition point data processing method and device, electronic equipment and a storage medium, relates to the technical field of electronic maps, can be applied to various scenes such as cloud technology, artificial intelligence, intelligent transportation and auxiliary driving, and the method comprises the following steps: receiving recognition point data of a road image reported by a terminal; performing initial aggregation processing on the recognition point data based on a time sequence to obtain a plurality of recognition point sequences; extracting a recognition point subsequence corresponding to an element label of at least one element type from each recognition point sequence of the plurality of recognition point sequences; determining a recognition target difference and an image time difference between two adjacent recognition point data in the recognition point subsequence; and performing same element aggregation on the recognition point data in the recognition point subsequence according to the recognition target difference, the image time difference and an element similarity condition to obtain a target sequence segment corresponding to the recognition point subsequence. The application can ensure the coverage and integrity of road elements and reduce the cost of the terminal.

The invention relates to the technical field of soil environment monitoring, in particular to an intelligent soil environment monitoring system for thunberg fritillary bulb planting, and the system can collect the content of autotoxic substances of a plurality of sampling points at a plurality of sampling moments; then determining historical continuous operation rows and continuous operation points based on the autotoxic substance content change of each sampling point at a plurality of sampling moments and the position distribution of the plurality of sampling points; based on the autotoxic substance content of each continuous cropping point at the current sampling moment, determining a continuous cropping accumulation reference value and the autotoxic substance content generated by each sampling point in the current sampling period; inputting the content of the autotoxic substances generated by each sampling point in the current sampling period and the continuous accumulation reference value into a content prediction model to obtain an autotoxic substance content prediction value of each sampling point at the next sampling moment; and carrying out soil environment monitoring based on the autotoxic substance content predicted value of each sampling point at the next sampling moment.