7results about How to "Slow response" patented technology

The utility model relates to the technical field of electric tilting valves, and discloses a novel electric tilting valve which comprises a supporting pipe, annular connecting plates are fixedly connected to the front end and the rear end of the supporting pipe respectively, a plurality of mounting holes are formed in the middles of the annular connecting plates, and annular limiting grooves are formed in the front end and the rear end of the supporting pipe respectively. The middle of the inner wall of each annular limiting groove is fixedly connected with an annular rubber ring, the annular rubber rings and the limiting grooves are arranged, the rubber rings are embedded in the annular limiting grooves in the two ends of the supporting pipe, double sealing is formed through pressing, and the leakage problem caused by vibration or deformation of a traditional valve body is solved; the installation holes in the annular connecting plate support rapid flange installation, the sealing face is evenly stressed, local stress concentration caused by traditional bolt direct connection is avoided, the servo motor and the rotating shaft are arranged, the rotating angle of the rotating shaft is controlled through the servo motor, and linear adjustment of flow or pressure is achieved.

The application discloses a kind of based on photon crystal microcavity's storage and calculation integrated light chip and preparation method thereof, belong to optical quantum chip field.Light chip includes by lower to upper arrangement substrate, first contact layer, n-type GaAs contact layer, second contact layer and p-type GaAs contact layer;N-type electrode is prepared on step surface, step surface is formed by etching p-type GaAs contact layer and second contact layer and etching part n-type GaAs contact layer;Multiple p-type electrodes are prepared on the surface of p-type GaAs contact layer;Etching forms two-dimensional photonic crystal structure, which includes a photonic crystal waveguide and multiple photonic crystal microcavities, two gratings are etched at both ends of the photonic crystal waveguide, and air grooves are prepared below the two-dimensional photonic crystal structure and the grating.The light chip of the application can realize the optical calculation of matrix vector product and store the optical signal.

The utility model relates to pipeline safety monitoring technical field, and disclose a kind of sensing pile device of monitoring oil and gas pipeline periphery construction behavior, including equipment column, equipment lower shell is fixedly connected in equipment column by bolt, the upper fixedly connected equipment upper shell of equipment lower shell, the shell base is fixedly connected in equipment lower shell by bolt;Through the setting of pickup unit, collect sound and extract MFCC feature, utilize SVM classifier to distinguish construction and environmental noise, while starting wide-angle camera to record video when meeting trigger condition, target detection and behavior analysis are carried out through AI data processing unit, form the dual verification mechanism of voiceprint and video, effectively reduce false alarm rate to below 5%, avoid relying on single sensor, it is difficult to distinguish construction noise and environmental noise, lead to high false alarm rate.

The invention belongs to the technical field of tobacco flavor preparation, and discloses a method for preparing tobacco flavor based on polysaccharide Maillard reaction and application of the tobacco flavor. The method comprises the following steps: dissolving amino acid and polysaccharide in a solvent according to a certain molar ratio to obtain a reaction material; putting the reaction materials into a reaction kettle, and carrying out Maillard reaction under a closed condition; and after the reaction is finished, rapidly cooling the reaction kettle to room temperature to obtain a Maillard reaction product. In the reaction process, polysaccharide is cracked into various reducing sugars step by step and is subjected to Maillard reaction with amino acid, so that the problems that monosaccharide participates in the Maillard reaction, the aroma is single, and the reaction is violent and difficult to control are effectively solved. When the tobacco flavor is applied to cigarettes, the irritation of smoke can be remarkably reduced, offensive odor can be covered, meanwhile, the smoke is softened, the aftertaste is improved, the smoke concentration is increased, and the baking fragrance and the sweet aftertaste are increased. The method is low in cost, simple in equipment and convenient to operate, can be put into production without modifying existing production equipment, and has a good industrial application prospect.

The application discloses a method for preparing vinylene carbonate by recycling ethylene dicarbonochloride. The method comprises the following steps: (1) mixing activated carbon@zinc powder, organic solvent and polymerization inhibitor uniformly, then starting stirring and carrying out nitrogen replacement; (2) adding ethylene dicarbonochloride with a concentration of 37wt% dropwise at a certain temperature, and carrying out reaction under insulation; (3) after the reaction is completed, solid-liquid separation and washing are carried out, the washing liquid and the filtrate are combined, and vinylene carbonate is obtained through pressure reduction desolventization. The activated carbon@zinc powder is gaseous zinc element generated after zinc chloride obtained through filtration after the reaction is completed is introduced into activated carbon particles through a series of reactions. The application effectively utilizes ethylene dicarbonochloride, reduces environmental pollution, improves the yield of vinylene carbonate by using activated carbon@zinc powder, realizes cyclic utilization of by-products in the preparation of vinylene carbonate, and reduces production cost.

The utility model discloses a Y axis structure of spraying machine relates to spraying machine technical field, aims at solving the technical problem of the Y axis stroke length deficiency of current spraying machine, including installation box and the first moving part of sliding installation in installation box and the second moving part of setting in the first moving part, the first moving part is the box body structure setting, the second moving part sliding installation is in the first moving part, the lower extreme and the side end of first moving part and second moving part all are provided with track strip, the track strip is located in the track groove, the second moving part is by two rectangular section steel welding constitutes, the outside of rectangular section steel is provided with the bending section steel. The utility model has the advantages of satisfying the complex mould demand's advantage such as through adopting the nested sliding design, the first, second moving part superposition extension stroke, cooperation second moving part cross section structure design, weight reduction while guaranteeing the strength, guaranteeing the stability of extension stroke, reducing the deformation, improving the efficiency, double limit ensures the movement precision.

The invention provides a photoelectric detector with U-shaped potential, and relates to the technical field of photoelectric detection. The photoelectric detector comprises a substrate layer, an N-type channel layer and a P-type photosensitive structure layer which are sequentially stacked from bottom to top, a first electrode layer and a second electrode layer for applying bias voltage are arranged on the two sides of the N-type channel layer, and the voltage applied to the first electrode layer is larger than that applied to the second electrode layer, so that a U-type potential surface with an opening facing the P-type photosensitive structure layer is formed in the N-type channel layer; the U-shaped potential surface is in a potential distribution form which is formed under the combined action of hole injection from the P-type photosensitive structure layer to the N-type channel layer and non-uniform distribution of conductivity in a channel, wherein the potential in the middle is lower than the potential on the two sides of the U-shaped potential surface. According to the invention, the U-type potential distribution is constructed in the N-type channel layer, effective suppression of carrier transport in a dark state is realized, and a conduction channel is rapidly established under an illumination condition, so that the response speed and responsivity of the photoelectric detector are improved while the dark current is reduced.