8results about How to "Method is feasible" patented technology

The invention relates to a detection method of a medicine for dispelling wind and eliminating dampness. The detection method comprises the following steps: thin-layer identification of a notopterygium root medicinal material, thin-layer identification of a radix angelicae pubescentis medicinal material, thin-layer identification of a radix saposhnikoviae medicinal material, thin-layer identification of ligusticum and ligusticum wallichii medicinal materials, and thin-layer identification of a honey-fried licorice root medicinal material. Through methodological investigation, the detection method has the effects of strong specificity, good durability, clear spots after thin layer expansion, satisfactory separation degree and the like, can effectively control the product quality condition, improves the product quality detection standard, and ensures the product quality.

The application belongs to the field of engineering plastics, and particularly relates to long-chain polyamide resin with easy processing and high tensile property, and a preparation method and application thereof. The long-chain polyamide resin comprises the following raw material components: component a: aliphatic carboxylic acid compound component; component b: polyamine compound component; and component c: a compound with a structure shown in the following formula (1), wherein n and m can be any number between 1 and 10. The long-chain polyamide resin of the application introduces structural diacid with an asymmetric benzene ring structure, utilizes the asymmetric structure to reduce the crystallinity of the material, and introduces the benzene ring structure to improve the mechanical property of the polyamide material, so that the low processing temperature is realized from the polyamide material component itself, the energy consumption is reduced, and the mechanical property of the polyamide material is ensured. The problem that the processing temperature and mechanical property of the polyamide material and the processing energy consumption are difficult to be considered in the prior art is solved.

The invention discloses a three-dimensional scene multi-granularity semantic segmentation method based on a graph neural network model, and belongs to the technical field of computer vision image processing. Taking a three-dimensional model corresponding to the three-dimensional scene as input, and selecting different visual angles to render the three-dimensional model to obtain a plurality of two-dimensional images; segmenting the two-dimensional image obtained by rendering to obtain a two-dimensional segmentation tree containing all semantic components with different granularities under different visual angles; and constructing a three-dimensional scene multi-granularity semantic segmentation map neural network model based on the two-dimensional segmentation trees under different visual angles, and performing model optimization, thereby obtaining a three-dimensional segmentation tree containing all semantic components with different granularities. By the adoption of the method, a three-dimensional data set is not needed, the three-dimensional segmentation mask is directly obtained through an existing two-dimensional image segmentation model, and the method is efficient, feasible, low in implementation cost and high in performance.

The invention discloses a solid mud acid system and a preparation method thereof. The solid mud acid system comprises solid hydrogen release acid, solid fluorine release acid and a solid acidification additive; the total mass of the solid hydrogen release acid and the solid fluorine release acid accounts for more than 60% of the total mass of the solid mud acid system, and the balance is the solid acidification additive. The solid mud acid system is solid powder particles which are stable under normal temperature and normal pressure conditions, when the solid mud acid system is used on site, 20-30% by mass of solid mud acid powder is directly diluted with fresh water and stirred for 10 min, and a solid mud acid solution can be obtained and used for plugging removal of an oil-water well in an oil field. The acidizing agent is used for acidizing construction of the offshore operation time and space limited platform, can replace an existing land solid acid system, has the advantages of being high in effective ingredient content, small in dosage, convenient to store and transport, easy to construct and the like, and can effectively solve the problem that conventional acidizing of the offshore operation time and space limited platform cannot be normally carried out.

The invention relates to a short-time power failure simulation system and method with wide voltage output. The short-time power failure simulation system comprises an ARM chip, a voltage conversion circuit, an improved push-pull circuit, an MOS drive circuit, a two-way magnetic coupling isolator and a serial port circuit. The input end of the ARM chip is connected with the serial port circuit, and the ARM chip is used for analyzing the power-down time and outputting a control signal after receiving a user instruction through the serial port circuit; the output end of the ARM chip is connected with the MOS driving circuit, and the MOS driving circuit is used for simulating system slope power failure under the action of a control signal; the output end of the ARM chip is further connected with an improved push-pull circuit, the improved push-pull circuit is used for simulating quick power failure of the system under the action of a control signal, and the output voltage is basically equal to the input voltage. According to the invention, the power-down time is adjustable, and microsecond-level power-down can be simulated at the shortest time.

The invention belongs to the technical field of traditional Chinese medicine detection, and particularly relates to a method for determining the content of various flavone components in a Mongolian medicine, namely a Clematis tenuifolia medicinal material, which is characterized in that the content of four flavone aglycones, namely quercetin, luteolin, kaempferol and apigenin, in the Clematis tenuifolia medicinal material is simultaneously determined by adopting a high performance liquid chromatography. The method can be used for accurately determining the content of the main flavone active ingredients in the clematis tenuifolia medicinal material, has a good linear range, is high in accuracy, precision and repeatability, is stable and feasible, and can be applied to quality inspection of the clematis tenuifolia medicinal material.

The application discloses a mistake-proofing device for preventing the wrong installation of upper and lower half rings on the inner steel sleeve of a ball bearing, wherein the upper half ring trace storage seat comprises a first disc base and a first limiting column arranged on the upper end face of the first disc base; two first stop lugs are arranged on the outer column surface of the first disc base in a circumferential direction; the upper end of the first stop lug is higher than the upper end face of the first disc base; and the first stop lug is used for cooperating with the end face groove on the lower end face of the upper half ring to stop; the lower half ring trace storage seat comprises a second disc base and a second limiting column arranged on the upper end face of the second disc base; two second stop lugs are arranged on the outer column surface of the second limiting column in a circumferential direction; the end of the second stop lug protrudes from the outer column surface of the second limiting column; and the second stop lug is used for cooperating with the column face groove on the inner column surface of the lower half ring to stop. The application aims at solving the problems of the wrong installation or reverse installation of the upper and lower half rings.

The invention discloses a reservoir dam parallel electrical method and transient electromagnetic technology joint diagnosis system and method, comprising a longitudinal detection system, the longitudinal detection system comprising a parallel electrical method detection device and a transient electromagnetic detection device, the parallel electrical method detection device comprising a parallel electrical method measurement line and a parallel electrical method instrument arranged on the central axis of the dam crest or the anti-seepage end surface, the parallel electrical method measurement line comprising copper rods inserted on the dam at adjacent intervals and cables connected to the copper rods; the transient electromagnetic detection device comprises a transient electromagnetic measurement line and a transient electromagnetic instrument arranged on the central axis of the dam crest or the anti-seepage section located at two dam shoulders and / or the dam crest hardening area, the transient electromagnetic measurement line comprising a coil arranged at a measuring point and a coil cable connected to the coil; the cable line and the coil cable are respectively connected to the parallel electrical method instrument and the transient electromagnetic instrument; the parallel electrical method instrument and the transient electromagnetic instrument are used to be connected to an analysis system.