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254results about How to "Achieve stabilization" patented technology

Marine alcohol hydrogen power system and control method

The marine alcohol-hydrogen power system comprises a methanol fuel tank, a hydrogen storage tank, a methanol extended-range system, a hydrogen fuel cell, a methanol reforming hydrogen production system, an energy storage system, a driving motor, a speed reduction clutch, a propeller and an inverter power supply / load cabinet, the methanol fuel tank is respectively communicated with the input end of the methanol reforming hydrogen production system and the input end of the methanol reforming hydrogen production system, the hydrogen storage tank is connected with the input end of the hydrogen fuel cell, the output end of the methanol reforming hydrogen production system is connected with the input end of the hydrogen fuel cell, and the output end of the methanol reforming hydrogen production system is connected with the input end of the energy storage system. The output end of the hydrogen fuel cell is connected with the input end of the energy storage system, and the output end of the energy storage system is connected with the inverter power supply / load cabinet and the driving motor. According to the invention, the problems of slow dynamic response, poor stability and the like of energy supply of a single fuel cell can be solved.
Owner:YUCHAIXINLAN NEW ENERGY POWER TECH CO LTD

Outboard engine control system and outboard engine

The invention provides an outboard engine control system and an outboard engine, and relates to the field of outboard engines, and the outboard engine control system comprises the following modules: a main control unit module which is responsible for receiving input data from each module, executing logic judgment and sending a control instruction to an execution mechanism; the execution mechanism module responds to an instruction of the main control unit and realizes starting, stopping, speed adjustment, angle adjustment and direction control of the outboard engine; and the multi-sensor fusion module is used for acquiring the running state and environment information of the outboard engine in real time by adopting a sensor fusion technology and providing data support for a control system. According to the outboard engine control system, the running state and environment information of the outboard engine are obtained in real time through the arranged multi-sensor fusion module, and accurate data support is provided for the control system; and the remote monitoring and diagnosis module realizes remote monitoring, fault diagnosis, parameter adjustment and software upgrading through a wireless network and wired connection, so that the maintainability and flexibility of the system are improved, and the equipment is ensured to be always in an optimal operation state.
Owner:ZHEJIANG JIANHANG POWER MASCH CO LTD

Glucoside derivative flexible liposome as well as preparation method and application thereof

The invention belongs to the field of personal care, and particularly relates to a glycoside derivative flexible liposome and a preparation method and application thereof, the glycoside derivative flexible liposome comprises a main shell material, a humectant, a wrapped raw material, an auxiliary shell material, a preservative and a solvent; the main shell material is phosphatidylcholine, and the auxiliary shell material is polyquaternium-51; the preservative is any one or more of 1, 2-hexanediol, p-hydroxyacetophenone, methylparaben, phenoxyethanol and caprylyl glycol; the moisturizing agent is butanediol; the wrapped raw material is hydroxypropyl tetrahydrofurantriol; the solvent is deionized water. According to the invention, the permeability and penetration depth of the glassine and the concentration of the glassine at a target position are improved by utilizing a flexible liposome wrapping technology, the bioavailability of the glassine is improved, and the addition amount is reduced under the condition of realizing the same tightening and anti-wrinkle effects, so that the cost is reduced.
Owner:SUZHOU MISIFU COSMETICS CO LTD

Multi-target detection method for complex traffic scene

The invention discloses a multi-target detection method for a complex traffic scene, and the method comprises the steps: collecting the original data in the traffic scene through a plurality of sensors disposed in a traffic environment, and enabling the sensors to capture the information of the traffic scene from different angles and dimensions, thereby providing a rich data basis for the subsequent data fusion and target detection, and improving the detection precision. Meanwhile, multi-modal data fusion can make full use of the advantages of different sensors, make up for the defects of a single sensor, improve the accuracy and robustness of target detection, construct an algorithm specially used for processing multi-target detection and tracking in a complex traffic scene, realize stable tracking and detection of multiple targets, and improve the accuracy and robustness of target detection. The traffic monitoring and management efficiency is improved, a plurality of targets in a traffic scene can be accurately detected by analyzing and processing the fused features, the dynamic changes of the targets can be tracked in real time, and accurate decision support is provided for automatic driving and an intelligent traffic system.
Owner:CHINA ERACOM CONTRACTING & ENG

Flexible pull detection method and system based on monocular vision

The invention provides a flexible trailer detection method and system based on monocular vision. The method comprises the steps that monocular vision information and 3D point cloud information of a trailer are obtained respectively; information fusion is carried out on the monocular vision information and the 3D point cloud information to obtain image information, and the image information at least comprises posture, position and motion state information of the flexible pull part; performing feature extraction and target detection on the image information to obtain target information of the flexible pull part; monocular direction estimation of a front pose is carried out on the target information, and pose information of the flexible pull part is obtained; and performing path planning and decision adjustment based on the pose information in combination with the dynamic change of the front vehicle, and generating a control instruction to control vehicle tracking. According to the invention, the high-efficiency detection of the flexible towed object is realized by using the monocular vision technology, and the safety and the operation efficiency of the towed vehicle are improved.
Owner:SHANGHAI JIAOTONG UNIV

Waste plastic recovery equipment

The invention relates to the technical field of plastic recovery, in particular to waste plastic recovery equipment. The waste plastic recycling equipment comprises a crusher, a discharging hopper is fixedly connected to the top of the crusher, a rotating piece is rotationally connected to the discharging hopper, a supporting rod is fixedly connected to the side, close to the rotating piece, of the discharging hopper, a servo motor is installed on the supporting rod, and an output shaft of the servo motor is connected with the rotating piece through a coupler. And extrusion pieces which are symmetrically distributed are fixedly connected to the side, close to the rotating piece, of the crusher. Through mutual cooperation of the rotating piece, the extruding piece, the sliding block, the connecting pull rope, the clamp and the like, stable clamping and accurate positioning of a woven bag are achieved, it is guaranteed that the woven bag cannot slide or deviate in the overturning and dumping process, waste plastic in the bag is ejected out from the bottom of the bag through the ejector plate, the waste plastic in the bag is effectively pushed to a bag opening, and therefore the waste plastic in the bag is effectively pushed out. And the discharging speed is increased, the working efficiency is improved, and the performance of waste plastic recycling equipment is improved.
Owner:QIYANG BIJIN PLASTIC CO LTD

Process method for improving quality of honeycomb block splicing seam

The invention discloses a process method for improving the quality of a honeycomb block splicing seam. The process method comprises the following steps: S10, processing a honeycomb block; s20, processing the metal sheet; s30, forming the rubber; s40, splicing the honeycombs; s50, honeycomb positioning is carried out; s60, placing the metal sheet; s70, packaging is carried out; s80, curing is carried out; the method has the beneficial effects that stress concentration is reduced by performing variable-thickness chamfering processing on the aramid paper honeycomb block, and then uniform pressure distribution is provided in a variable-thickness area by combining the characteristics of a metal sheet and rubber, so that uniform pressurization in the curing process is ensured, and the curing quality of the aramid paper honeycomb block is improved. The problem that the polystyrene foam in the area is bulged due to the fact that honeycombs on the two sides of a splicing seam are sunken due to the fact that the polystyrene foam and the aramid paper honeycombs are inconsistent in rigidity in the honeycomb variable-thickness area of the honeycomb interlayer piece is solved.
Owner:SPACE SEAHAWKS ZHENJIANG SPECIAL MATERIAL CO LTD

Foundation pit protective fence for building construction

The utility model relates to the technical field of building construction protection, and discloses a foundation pit protective fence for building construction, which comprises a mounting frame, a plurality of handrails are fixedly connected in the mounting frame, and two fixing plates are fixedly connected at the bottom of the mounting frame. Fixing screws are inserted into first fixing holes in a fixing plate at the bottom of the mounting frame to fix the fixing plate and the mounting frame, then a supporting plate is rotated, supporting blocks on the supporting plate make contact with the ground, then the supporting plates are inserted into second fixing holes in the supporting blocks through threads, and the two sides of the mounting frame are stably supported; the stability of the mounting frame is improved, then the next protective fence is mounted, and the connecting plate on the other mounting frame is inserted into the connecting groove in the mounting frame, so that the overall stability of the protective fence is further improved, the wind resistance of the protective fence is improved, and the use safety of the protective fence is further improved.
Owner:MAANSHAN XINFENG CONSTR & INSTALLATION CO LTD

Application of exogenous hydrolase-charcoal composite preparation in septic tank fecal sewage hydrolysis and fermentation and equipment

The invention discloses application and equipment of an exogenous hydrolase-biochar composite preparation in digestion and fermentation of fecal sewage of a septic tank. The invention relates to rapid manure decomposition equipment for a rural septic tank. The rapid manure decomposition equipment comprises a pretreatment module, an aerobic fermentation system, a collection tank, a biological deodorization system, a solar auxiliary heating module and an intelligent monitoring module, a master controller of the intelligent monitoring system predicts the quality index of the organic fertilizer processed by the aerobic fermentation system according to the system parameter data of the aerobic fermentation system monitored in real time; and then adjusting key operation working conditions of the aerobic fermentation system according to the predicted value of the quality index of the organic fertilizer treated by the aerobic fermentation system. According to the method, the exogenous hydrolase-biochar composite preparation is added into the septic tank, so that rapid decomposition and stabilization of the feces are realized, and the pollution load on the ecological environment is reduced; on-line self-adaptive intelligent control over the operation condition in the feces treatment and recycling process is achieved through the artificial intelligence Internet of Things technology.
Owner:HANGZHOU DIANZI UNIV

Predetermined time proportion consistency control method of multi-agent system

According to the method, the problem of the preset time proportion consistency of the multi-agent system under the disturbance condition is researched, two preset time proportion consistency control protocols are provided, the proportion consistency of the multi-agent system within the preset time can be achieved, the convergence time boundary of the system does not depend on the initial state of the system, and the system reliability is improved. The upper bound of the convergence time of the system can be set by selecting a single time parameter instead of a complex setting function, the setting property is good, the actual convergence time of the system is closer to the preset convergence time, the actual demand is better facilitated, the condition of topology switching is considered, and the method is more practical in actual application and has a wide application prospect. The correctness of the two control protocols is proved through an algebraic graph theory and a Lyapunov theory, and the effectiveness and superiority of the proposed protocols are verified through a simulation contrast experiment.
Owner:ZHOUKOU NORMAL UNIV

Multi-angle clamping device for structural jade carving

The invention provides a multi-angle clamping device for structural jade carving, and belongs to the technical field of production clamping devices.The multi-angle clamping device for structural jade carving comprises a bottom plate, a precise lifting mechanism, a steering mechanism, a fine adjustment mechanism and a clamping mechanism, the bottom plate is a rectangular steel bottom plate, and counter bores are evenly formed in the peripheral edge of the bottom plate; the base is fixedly mounted through foundation bolts; the precise lifting mechanism is fixedly arranged at the center position of the bottom plate, the steering mechanism is installed at the upper end of the precise lifting mechanism, the fine adjustment mechanism is arranged above the steering mechanism, and the clamping mechanism is installed on the fine adjustment mechanism. The precise lifting mechanism comprises a lifting seat, a precise sliding rail pair, a ball screw pair and a hand wheel assembly, the lifting seat is of a square hollow structure, the lower end of the lifting seat is fixedly connected with the bottom plate, and sliding rails of the precise sliding rail pair are vertically fixed to the front side and the rear side of the inner wall of the lifting seat; the problem of low efficiency in jade processing can be solved.
Owner:YUNNAN SHEXIANG ARTS & CRAFTS CO LTD +1

Method for treating waste incineration fly ash through plasma melting

The invention relates to the technical field of solid waste thermochemical treatment, and provides a method for treating waste incineration fly ash through plasma melting. Fly ash is pretreated and then enters a plasma furnace to generate a solid melt, the solid melt is quenched into vitreous slag through a slag cooler, and high-temperature waste gas generated by the melting furnace enters a high-temperature waste gas pretreatment and gas treatment system to be purified into gas meeting the environmental protection standard. An active carrier of organic particles prepared from silicon resin and silicon dioxide is added into the fly ash, so that dioxin molecules and heavy metals in the fly ash are respectively and firmly wrapped by a three-dimensional network, and the harmless reduction treatment problem of dioxin and cured heavy metals is solved; meanwhile, the problems that when plasma equipment treats the waste incineration fly ash, the melting glass transition temperature is too high, and the fly ash diffuses along with tail gas in the feeding process, so that a pipeline is blocked are solved.
Owner:DONGGUAN UNIV OF TECH

Method for preparing fluorapatite based on PFAS

The invention belongs to the technical field of environmental protection and resource recovery, and relates to a method for preparing fluorapatite based on PFAS. The preparation method comprises the following steps: mixing pretreated calcium oxide, phosphorus-containing calcium salt and PFAS, grinding and calcining to obtain the fluorapatite. According to the method, the low-cost calcium-containing oxide is used as a reactant, directional conversion and stabilization treatment of the pollutant PFAS are achieved, the reaction product is recyclable phosphate ore, and a new reference thought is provided for degradation of the PFAS in the environment.
Owner:BEIJING NORMAL UNIV AT ZHUHAI

A flying saucer ladder-type wind power generation system for realizing continuous power generation at medium and high altitudes

The present invention relates to the field of umbrella-type wind power technology, and discloses a flying saucer ladder-type wind power generation system for realizing continuous power generation at medium and high altitudes, wherein the power generation system comprises a helium balloon, two kite flying saucer groups, parachute ropes, and power generation facilities; the helium balloon is used to provide the height for the two kite flying saucer groups to perform wind power generation; the helium balloon is connected to the power generation facilities through parachute ropes; the two kite flying saucer groups are fixedly connected to the parachute ropes; the two kite flying saucer groups are respectively located on both sides of the helium balloon; each kite flying saucer group comprises at least one working parachute, wherein the working parachute in one kite flying saucer group is opened in the manner of shutters, and the working parachute in the other kite flying saucer group is closed in the manner of shutters to drive the parachute ropes to move, thereby realizing continuous power generation of the power generation facilities. The power generation system of the present invention can realize a continuous and stable power generation process.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES CO LTD

Novel deepwater jacket applied to ocean wind power system and mounting method

The invention discloses a novel deepwater jacket applied to an ocean wind power system and an installation method, and relates to the field of ocean wind power. According to the invention, by combining a sensor technology and a mechanical adjusting mechanism, self-adaptive adjustment and stable monitoring of a seabed structure are realized, and safety and stability of the system are ensured. The multiple linkage parts work cooperatively, accurate adjustment of the jacket is achieved, after the first oil cylinder is started, the linkage rod moves, force is transmitted to the third rotating frame through the transmission rod and acts on the swing rod, and therefore the angle of the jacket is adjusted, and the structure is kept stable. In addition, according to submarine topography and geological conditions, the anchoring depth and angle of the inserting rod are adjusted. A second waterproof motor drives a threaded rod to rotate, a lifting plate movably pushes an inserting rod to a designated position, meanwhile, a first waterproof motor drives a worm to rotate, accurate adjustment of the anchoring angle is ensured, and the flexibility and adaptability of the system in a complex environment are improved.
Owner:GUANGDONG CHANGFENG NEW ENERGY EQUIP MFG CO LTD

Surveying instrument positioning device for engineering surveying

The invention relates to the technical field of surveying and mapping instruments, in particular to a surveying and mapping instrument positioning device for engineering surveying and mapping. A fixed base; a positioning bracket; the plurality of pressure sensors monitor pressure data on the mounting platform in real time; the gravity center adjusting mechanism comprises a controller, a balancing weight and a chain mechanism, and the balancing weight balances and stabilizes the actual gravity center position; the chain mechanism comprises at least three length-adjustable chains and at least three length adjusters and is used for adjusting the position and height of the balancing weight; the controller determines the actual center-of-gravity position of the surveying instrument positioning device according to the pressure data, determines a first center-of-gravity model according to the actual center-of-gravity position and the chain length data in the multiple operation processes, and determines the adjustment mode of the actual center-of-gravity position according to the actual center-of-gravity position, the preset center-of-gravity position and the first center-of-gravity model. The gravity center of the surveying instrument positioning device is effectively adjusted.
Owner:SHANDONG YIHONG CONSTR ENG CO LTD

Device and method for driving anaerobic ammonia oxidation self-enrichment by in-situ fermentation of excess sludge

ActiveCN119306328Aachieve the effect of reducingRapid enrichmentWater treatment compoundsSpecific water treatment objectivesElectron donorSewage
The invention discloses a residual sludge in-situ fermentation driven anaerobic ammonia oxidation self-enrichment device and method. The device comprises a raw water tank, a whole-process nitrification reactor, a middle water tank, a reactor sludge fermentation driven short-range denitrification synchronous anaerobic ammonia oxidation reactor and a water outlet bucket. According to the residual sludge in-situ fermentation driven anaerobic ammonia oxidation self-enrichment device and method, a carbon source generated by residual sludge fermentation is used as an electron donor to drive short-cut denitrification / anaerobic ammonia oxidation reaction, and residual sludge recycling is achieved under the condition that an external carbon source is not needed; and sponge filler is used as a carrier for in-situ self-enrichment of anaerobic ammonium oxidation bacteria, so that an integrated sludge fermentation synchronous short-cut denitrification / anaerobic ammonium oxidation system is constructed, a solution can be provided for advanced nitrogen removal and sludge reduction of urban sewage, and the method has important significance for realizing sustainable urban domestic sewage treatment.
Owner:BEIJING UNIV OF TECH

Multilayer nickel-cobalt-based OER catalyst and preparation method thereof

The invention discloses a multilayer nickel-cobalt-based OER catalyst and a preparation method thereof. The multilayer nickel-cobalt-based OER catalyst is characterized in that the catalyst is of a three-layer structure composed of a supporting layer, a middle layer and a skin layer, the supporting layer is foamed nickel, the middle layer is nickel-cobalt layered double hydroxide NiCo-LDH growing on the foamed nickel, the skin layer is ZIF-67, and the ZIF-67 is embedded in the nickel-cobalt layered double hydroxide. The prepared multi-layer nickel-cobalt-based OER catalyst can be applied to the field of electro-catalysis, an organic metal framework material is introduced, meanwhile, use of a binder (such as a Nafion solution) is avoided, controllable synthesis of an MOFs material is achieved, accordingly, excellent OER performance and stability are achieved, a ZIF-67 layer grows through an electroplating method instead of other high-energy-consumption modes such as hydrothermal growth, and the performance of the catalyst is greatly improved. The preparation efficiency is improved, the loss of raw materials is reduced, and higher industrialization potential is brought.
Owner:SUN YAT SEN UNIV

Blinarin targeted slow-release nano drug-loading system as well as preparation method and application thereof

The invention belongs to the technical field of medicines, and particularly relates to a linarin targeted slow-release nano drug-loading system as well as a preparation method and application thereof. A polylactic acid-polyglycolic acid copolymer is used as a matrix, polyvinyl alcohol is used as a cross-linking agent, and coated drug-loaded microspheres are formed through cross-linking and grafting of the matrix and the cross-linking agent; and then chitosan is used as a protective agent, chitosan and the coated drug-loaded microspheres are crosslinked and grafted to form double-coated composite drug-loaded microspheres, the chitosan in the composite drug-loaded microspheres is used as a shell, the coated drug-loaded microspheres are used as a core, and the linarin targeted slow-release nano drug-loaded system is obtained. Through the double-target design, the targeting property to cornea and lacrimal gland is enhanced, the treatment efficiency of the medicine is improved, stable release and continuous release of linarin are realized, and the problem of unstable release of the medicine is solved; in addition, the targeted slow-release nano drug-loading system is combined with the anti-inflammatory activity and the mitochondrial protection function of linarin, so that the side effects on eyes are reduced, and the safety is improved.
Owner:HUNAN UNIV OF CHINESE MEDICINE

Welding wire feeding device for welding

The welding wire feeding device comprises a machining base, the top end of the machining base is fixedly connected with a supporting frame, a lead screw sliding rail is installed at the top end of the interior of the supporting frame, a driving motor is installed on one side of the lead screw sliding rail, a lead screw sliding sleeve is installed outside the lead screw sliding rail, and the lead screw sliding sleeve is connected with the lead screw sliding rail. A clamping air cylinder is installed at the bottom end of the lead screw sliding sleeve, a clamping plate is fixedly connected to the output end of the clamping air cylinder, a fixed sliding way is fixedly connected to the position, below the lead screw sliding rail, of the machining base, and a supporting base is installed at the top end of the fixed sliding way. According to the welding wire feeding device for welding, a welding wire roll can be conveniently and rapidly replaced through the rapid dismounting mechanism, and during dismounting, only limiting rods at the two ends of the welding wire roll need to be moved out of limiting grooves, and then connecting shafts at the two ends of the welding wire roll need to be moved out of movable bearings; and then a new welding wire roll is mounted on the mounting frame and is fixed by using the limiting rod, so that the problem that the welding wire roll is difficult to replace is solved.
Owner:QINGDAO DANENG WELDING ENG CO LTD

A kind of plug device for dry quenching

The present invention discloses a dry coke quenching center bolt device, which belongs to the technical field of dry coke quenching. A lifting handle is horizontally arranged on the top of a lifting rod, a cover body is horizontally arranged on the bottom of the lifting rod, the lifting rod is inserted into a center bolt shell, a sealing flange and a pressure cover are arranged at the connection between the lifting rod and the center bolt shell, the pressure cover is arranged on the upper part of the sealing flange, the lifting rod passes through the pressure cover and the sealing flange, a sealing sleeve is arranged between the pressure cover and the sealing flange, the stuffing in the sealing sleeve is tightened, the cover body is connected to the base, and a first bracket and a second bracket are welded on the sealing flange. The center bolt device solves the problem of poor sealing between the center bolt and the base, and also avoids the phenomenon that the original center bolt lifting rod is easy to deform and causes the center bolt to be unable to be lifted, while increasing the service life of the center bolt body, ensuring the control of the gas introduction amount, and stabilizing the dry coke quenching circulation system.
Owner:LINHUAN COKING

Ultrasonic puncture device

The invention discloses an ultrasonic puncture device, and relates to the technical field of medical instruments. Comprising an ultrasonic detection probe, the surface of the ultrasonic detection probe is fixedly connected with a connecting frame, and the other end of the connecting frame is provided with a connecting cavity; the adjusting structure is arranged in the connecting cavity, and the adjusting structure is used for adjusting a puncture line of the puncture needle; by arranging the adjusting assembly, the puncture line and depth can be preset and controlled, the laser pen is used for simulating the puncture line, laser rays emitted by the laser pen can be used for being matched with the ultrasonic detection probe to adjust the puncture line before puncture, and the puncture depth can be limited through the positioning base in the puncture process after adjustment is completed; the puncture speed is increased at the initial stage of puncture, and the puncture speed is slowed down by changing the rotation efficiency of the screw rod by replacing the knob when the puncture needle is close to the preset puncture position, so that the puncture is more stable; the problem that in the prior art, the puncture depth and the puncture precision of a puncture needle cannot be effectively controlled is solved.
Owner:SECOND AFFILIATED HOSPITAL OF XIAN MEDICAL UNIV

Laser interferometric control system and method integrating multimodal collaborative photoelectric detection and intelligent control algorithm

PendingCN122084000AGood interference contrastImprove locking robustnessAdaptive controlConverting sensor output opticallyContrast levelAlgorithm
This invention relates to a laser interferometric control system and method that integrates multimodal collaborative photoelectric detection and intelligent control algorithms, belonging to the field of laser interferometry. It solves the problems of slow response speed, high complexity, and insufficient adaptability in existing laser interferometric control systems. The system includes: a light source module, whose optical path is connected to a static reference optical path module and an active adjustment optical path module. Both the static reference optical path module and the active adjustment optical path module are optically connected to an interference signal detection module, which outputs the interference contrast. A processing and decision-making module is configured to receive and fuse the interference contrast, first coordinate information, and second coordinate information, output adjustment action commands for the adjustment optical path adjustment components to adjust the interference contrast, and perform autonomous learning optimization based on the change in interference contrast before and after adjustment and the magnitude of the adjustment change, thereby achieving automatic adjustment and stable maintenance of the interference contrast. This invention is applied to laser interferometry.
Owner:SHANXI UNIV

Double-frequency single-port intermodulation tester

The invention provides a dual-frequency single-port intermodulation tester, and the tester comprises an intermodulation control module which comprises an intermodulation controller, a first frequency source and a second frequency source, and the intermodulation controller controls the first frequency source and the second frequency source to generate two carrier signals with different frequencies through receiving a configuration instruction; and the multiplexer module comprises a plurality of power amplifier modules and a multiplexer, the plurality of power amplifier modules are used for amplifying the two paths of carrier signals, synthesizing the two paths of carrier signals through the multiplexer, outputting the synthesized two paths of carrier signals to a tested piece, and receiving and processing intermodulation products reflected back from the tested piece at the same time. According to the invention, the accuracy, the integration level and the field applicability of the intermodulation test are effectively improved.
Owner:CHENGDU LANRUI PRECISION INSTRUMENT EQUIPMENT CO LTD

Waste gas degradation treatment effect evaluation method and system

PendingCN121959002Arobust extractionEnhance intelligent adjustment capabilitiesMaterial analysis by optical meansFeature setMulti source data
The invention discloses a waste gas degradation treatment effect evaluation method and system, and relates to the technical field of waste gas treatment.The waste gas degradation treatment effect evaluation method comprises the steps that working condition parameters, pollutant concentration and reaction product spectral signals are synchronously collected in the operation process of a waste gas treatment device, and multi-source data are preprocessed to form a time sequence feature set; based on a time sequence feature set, carrying out feature modeling on the spectral signal, extracting main features of a product, comparing the main features with a standard fingerprint database, identifying an abnormal offset degree generated by a by-product, constructing a digital twin model by using working condition parameters, generating an ideal operation state, and calculating a deviation value between reality and ideal; the removal rate is calculated according to the pollutant concentration, the energy efficiency index is generated in combination with the energy consumption parameter, and the removal rate, the energy consumption index, the by-product deviation and the working condition deviation are integrated to form a multi-dimensional operation state vector. The controllability and response speed of the waste gas degradation treatment efficiency are effectively improved, and the intelligent adjusting capacity of the waste gas degradation process is remarkably enhanced.
Owner:STATE GRID HUBEI EXTRA HIGH VOLTAGE CO +1

Thermostatic bath type piezoelectric oscillator

The present invention provides a thermostatic piezoelectric oscillator capable of stabilizing the oscillation frequency. In the thermostatic piezoelectric oscillator (1), the core part (5) is sealed in a heat-insulating package (2) in a closed state. The core part (5) is supported in the package (2) by a core substrate (4). The core part (5) adopts a structure in which at least an oscillator IC (51), a crystal resonator (50), and a heater IC (52) are stacked in sequence.
Owner:DAISHINKU CORP

Process and device for continuously preparing 1, 3-cyclohexanedione crystal

The invention belongs to the crossing field of fine chemical engineering, crystal engineering and continuous production technologies, and particularly relates to a process and a device for continuously preparing 1, 3-cyclohexanedione crystals. The method comprises the following steps: respectively introducing a pre-cooled 1, 3-cyclohexanedione monosodium salt aqueous solution and an acidifying agent into a static mixer through a metering pump for mixing, introducing the materials into an aging tank for aging, and carrying out solid-liquid separation on the aged materials to obtain 1, 3-cyclohexanedione crystals. The invention provides a process and a device for continuously preparing a 1, 3-cyclohexanedione crystal, the process and the device are a brand-new continuous acidification crystallization process and system based on a static mixer, and aims to fundamentally eliminate local supersaturation, realize accurate control of the crystal form and morphology of 1, 3-cyclohexanedione and produce a high-quality flaky crystal form product. And the continuity, the stabilization and the high efficiency of the production process are realized.
Owner:YOUCHUANG CROP PROTECTION CO LTD +1

Fan blade section structure

The utility model discloses a fan blade section structure, and relates to the field of fan blade structures. The fish-body-shaped fan blade comprises a hollow fan blade body with a fish-body-shaped section, and a rear tail end which is positioned at the rear tail part of the fan blade body and has a long swallow-tail-shaped section, a first closed reinforcing rib and a second closed reinforcing rib are vertically arranged at the front position and the rear position in the fan blade body respectively, and a mounting cavity for mounting an inserting piece is formed between the first closed reinforcing rib and the second closed reinforcing rib; and two groups of raised reinforcing ribs are respectively arranged at the upper and lower positions of the mounting cavity in the fan blade body. According to the fan blade section, the limiting stability and the light weight effect are improved, through the design of the tail and the rear tail end with the section in the long dovetail shape, a larger windward side is brought, and therefore the more efficient fanning effect is achieved.
Owner:KALE ENVIRONMENT TECH (SHANGHAI) CO LTD

A production process of zero-additive fermented cooking wine

The present invention relates to the technical field of cooking wine fermentation, and specifically to a production process of zero-additive fermented cooking wine, which is produced using a fermentation device; wherein the fermentation device comprises: a fermentation barrel, the bottom of which is fixedly connected to a fermentation funnel; a yeast discharge mechanism, the yeast discharge mechanism comprises a plurality of discharge rings fixedly connected to the inner wall of the fermentation barrel, each discharge ring being away from the outer peripheral surface of the fermentation barrel and having a plurality of groups of row holes in an annular array; a stirring and mixing mechanism, the stirring and mixing mechanism comprising a diversion barrel rotatably connected to the inside of the fermentation barrel. Yeast can be evenly discharged into various positions in the fermentation barrel through the discharge ring and the row holes in the yeast discharge mechanism. Since the discharge ring is in a circular ring shape, this design can ensure that the yeast is evenly distributed in the annular pipe, and since the row holes are located at both ends of the discharge ring, the yeast can be more evenly distributed to different positions in the malt koji, thereby achieving a more comprehensive distribution of the yeast in the malt koji.
Owner:安徽海神黄酒集团有限公司

Lifting device for electromechanical installation of coal mine well

The utility model provides a lifting device for coal mine well electromechanical installation. The lifting device comprises a lifting mechanism. The clamping stabilizing mechanism is fixedly mounted on the working surface of the top end of the lifting mechanism; the sliding protection mechanism is connected to the top opening of the clamping stabilizing mechanism in a sliding mode; the clamping stabilizing mechanism comprises a placing box, and the bottom of the placing box is fixedly connected with the lifting mechanism; the prevention plates are symmetrically arranged on the two sides of the inner cavity of the placement box; through the mechanical linkage design of the clamping stabilization mechanism and the sliding protection mechanism, dynamic stabilization and three-dimensional protection of the installation part are achieved, the sliding protection mechanism is rapidly opened and closed through a sliding rail, and broken stone is prevented from impacting the installation part.
Owner:YANKUANG ENERGY GRP CO LTD