10results about How to "Avoid complicated steps" patented technology

The invention discloses a numerical control machine tool machining part surface quality monitoring method and system. The method comprises the steps that S1, real-time machining data are collected; s2, according to the real-time processing data, constructing a neural network prediction model based on LSTM; and S3, predicting the surface quality of the part according to the neural network prediction model based on the LSTM, and by adopting the technical scheme of the invention, the problems of low accuracy and poor real-time performance of surface quality monitoring of the existing traditional machined part are solved.

The invention relates to a temperature and strain bimodal flexible sensor and a preparation method thereof, and the sensor achieves the efficient detection of temperature and strain signals through the combination of an ink direct writing process and a screen printing process. The sensor is unique in design and comprises a rigid area substrate and a soft area substrate which are respectively provided with a thermal resistance type temperature sensor and a piezoresistive strain sensor, so that effective separation and accurate measurement of temperature and strain signals are ensured. A flexible material and an improved FA-BP neural network algorithm based on a firefly algorithm are adopted, so that the stability and the measurement precision in a variable environment are improved. In addition, the sensor can still work normally in a high-temperature environment, and is superior to a common flexible thin film material in the market. The sensor disclosed by the invention shows huge application potential in the fields of intelligent wearable equipment, health monitoring, industrial automation and the like, and a new solution is provided for realizing high-precision and high-stability temperature and strain monitoring.

The utility model provides a wear-resistant rubber covered roller for a printing machine, relates to the technical field of rubber covered rollers for printing machines, and solves the problems that printing parts outside the rubber covered roller can be replaced in order to ensure the printing quality, but the printing parts of a common rubber covered roller are difficult to replace. In the prior art, the rubber roller generally does not have a good stable structure to assist the connection stability between the rubber roller and a printing part, so that the printing quality is influenced due to looseness between the printing part and the rubber roller. A wear-resistant rubber roller for a printing machine comprises a connecting shaft, a rubber roller and a rubber roller body, fixed side seats are symmetrically and fixedly mounted at the two ends of the connecting shaft; after the connecting sleeve is replaced, an operator only needs to rotate the knob to drive the limiting screw rod to rotate and push the limiting sliding block to move until the limiting teeth at the bottom of the limiting screw rod are completely clamped with the limiting teeth on the limiting block of the rubber roller main shaft, so that the fixed side seat is effectively prevented from loosening due to vibration or external force, and the long-term stability of the connecting sleeve is ensured.

The invention relates to the technical field of optical communication, in particular to an array optical switch and a manufacturing and calibration method and device thereof. The method comprises the following steps: obtaining a second optical switch device corresponding to a first optical switch device, sequentially selecting a first channel from the first optical switch device, randomly selecting a second channel from the corresponding second optical switch device, and welding the first channel and the second channel to obtain a target array optical switch; connecting a first test channel of the first test optical switch with a first single channel of the first optical switch device, and connecting a second test channel of the second test optical switch with a second single channel of the second optical switch device; a first test single channel of the first test optical switch is connected with a light source, and a second test single channel of the second test optical switch is connected with an optical power meter; starting the light source, adjusting the conduction channels of the first and second test optical switches and the target array optical switch, and completing the calibration of the target array optical switch according to the measurement result of the optical power meter. The production efficiency can be improved, and the production cost can be reduced.

This invention discloses a red pigment-producing Streptomyces spectabilis ( Streptomyces spectabilis This invention discloses a method and application for pigment extraction from *Streptomyces spectinomyces* S-13. The method involves fermenting *Streptomyces spectinomyces* S-13 with the addition of a surfactant to extract the pigment. This method releases intracellular pigments into the fermentation broth, significantly increasing pigment yield and simplifying the extraction and purification process. The red pigment produced by *Streptomyces spectinomyces* S-13 exhibits excellent stability, antioxidant activity, and antibacterial effects, making it suitable for applications in the printing and dyeing industry. The pigment extraction method described in this invention offers advantages such as short production cycle, low cost, safety, and environmental friendliness, overcoming the limitations of traditional microbial pigment production processes, including high extraction difficulty, low yield, and limited applicability.

The present invention belongs to the field of fluorescent microsphere coding technology, and specifically relates to a method for preparing functionalized fluorescent protein multicolor coded microspheres. Fluorescent protein is used instead of organic fluorescent dyes and nanomaterials, and the fluorescent protein is assembled on the surface of the microsphere by chemical coupling. The protein type, concentration and microsphere particle size are used as coding elements to obtain single-color and multicolor fluorescent microspheres with ultra-large coding capacity; the surface of the fluorescent microsphere is modified by biotin to fix streptavidin to the surface of the microsphere, and combined with biotin-labeled capture probes to achieve high-throughput rapid analysis of multiple target molecules. The preparation process of the present invention is simple, the coding capacity is large, the performance is stable, and it has strong versatility and is environmentally friendly. The microspheres of the present invention can be applied to disease diagnosis, food safety, environmental protection, proteomics, genomics and drug screening.

The invention discloses a spatial information and video three-dimensional dynamic fusion method and system and a storage medium, and the method comprises the steps: setting a preset frame based on the corresponding relation between an initial video frame image and a control point; constructing an image index table according to Z, P and T values of the PTZ camera when a preset frame is collected; according to the P, T and Z values of the PTZ camera when the real-time video frame image is acquired, a preset frame is inquired from the image index table by adopting a grading-blocking method, and a corresponding control point is obtained; a real-time video frame image and a preset frame are dynamically matched by combining an SURF algorithm, an FLANN algorithm and an RANSAC algorithm, pixel coordinates of a control point are obtained, three-dimensional space information is mapped to a two-dimensional video frame image through three-dimensional direct linear transformation, and fusion from the space information to a monitoring video is achieved. According to the method, the preset frame image with the control point is matched, and the three-dimensional space information is mapped into the two-dimensional video frame image by adopting three-dimensional direct linear transformation, so that the fusion of the three-dimensional geographic space information and the video is achieved.

This invention relates to a dual-modal flexible temperature-strain sensor and its fabrication method. The sensor achieves efficient detection of temperature and strain signals by combining direct ink writing and screen printing processes. The sensor features a unique design, comprising a rigid substrate and a flexible substrate, housing a thermal resistance temperature sensor and a piezoresistive strain sensor respectively, ensuring effective separation and accurate measurement of temperature and strain signals. The use of flexible materials and a FA-BP neural network algorithm based on an improved firefly algorithm enhances stability and measurement accuracy under varying environments. Furthermore, the sensor can still operate normally at high temperatures, outperforming common flexible thin-film materials on the market. This sensor demonstrates significant application potential in smart wearable devices, health monitoring, and industrial automation, providing a new solution for achieving high-precision and high-stability temperature and strain monitoring.

The application belongs to the technical field of silver-containing waste electronic and electrical equipment recycling, and particularly relates to a leaching agent for waste electronic and electrical equipment recycling, a preparation method and a silver leaching and recycling method. The leaching agent is trioctylmethylammonium triiodide [N 1888 ][I3], the trioctylmethylammonium triiodide [N 1888 ][I3] has good stability and low viscosity, does not need to be diluted by toxic organic solvents, the leaching agent recycles metals through oxidation and reduction, realizes high leaching efficiency under low-temperature stirring conditions, and avoids the use of acid or corrosive reagents and high energy consumption.

The invention belongs to the technical field of lithium ion battery electrode materials, and particularly discloses a three-dimensional conductive network graphene LFP composite material and a preparation method and application thereof.The preparation method comprises the following steps that S101, carbon-coated lithium iron phosphate is prepared, specifically, lithium carbonate, iron phosphate and glucose are mixed, dispersed and dried, first-stage heating and heat preservation are conducted, and carbon-coated lithium iron phosphate is obtained; carrying out second-stage heating and heat preservation; s102, preparing reduced graphene oxide subjected to flash Joule heat treatment; and S103, constructing a three-dimensional conductive network composite material: mixing and drying the carbon-coated lithium iron phosphate and the reduced graphene oxide, loading the mixture into a Joule thermal reaction device for vacuum heating, and cooling. By adopting the graphene LFP composite material with the three-dimensional conductive network as well as the preparation method and the application, the problems that an existing lithium iron phosphate material is poor in conductivity, slow in lithium ion diffusion, insufficient in cycling stability under high magnification and the like are solved, and a lithium ion battery positive electrode material with excellent electrochemical performance is obtained.