93results about How to "Avoid dilution" patented technology

The invention relates to the technical field of plant extraction, in particular to a preparation method of a plant extract, which comprises the following steps: stirring and mixing a plant raw material and water in a transparent container, cleaning based on preset cleaning times and preset standing time to obtain a target raw material, wherein the clarity of the upper-layer solution and the precipitation speed of the plant raw materials are determined based on a plurality of detection time points, and the standing time or the stirring speed of single-time cleaning of the plant raw materials and the preset cleaning frequency are adjusted according to the clarity and the precipitation speed of the upper-layer solution; drying and crushing the target raw material to obtain target powder; mixing the target powder with water to form a mixed solution, and boiling to obtain a target stock solution; grinding the target stock solution, adding diatomite, and carrying out pressure filtration to obtain a filter cake and a filtrate; determining the mass of diatomite according to the volume of the grinding liquid, and determining the thickness of a filter cake in the filter pressing process to dynamically adjust the filter pressing pressure; and carrying out ultrafiltration concentration, sterilization and spray drying on the filtrate to obtain a polysaccharide product. According to the method, the yield of the polysaccharide product is improved.

The invention relates to the technical field of carbon capture after combustion, and discloses a carbon dioxide capture system and method based on calcium circulation and calcium-based chemical looping combustion. CaS, CaO and CaSO4 in the calcination reactor enter a carbon capture reactor, the fuel reacts with CaSO4 to generate CO2 and CaS, and CO2 in the flue gas reacts with CaO to generate CaCO3; caS and CaCO3 in the carbon capture reactor and a solid material flow which carries heat and contains CaSO4 and CaO in the air reactor respectively enter a calcination reactor, and CaCO3 is decomposed into CO2 and CaO under the action of the heat carried by the solid material flow; caS, CaSO4 and CaO in the calcination reactor are divided into two streams and enter the carbon capture reactor and the air reactor respectively, CaS and air react in the air reactor to generate CaSO4, and heat is released. According to the system, doping and dilution of CO2 product gas are avoided, and high-grade electric energy is saved.

The invention discloses liquid hydrocarbon fuel combustion equipment and a supercritical carbon dioxide circulation system, the liquid hydrocarbon fuel combustion equipment comprises a nozzle, a combustion chamber and a rotational flow assembly, the rotational flow assembly comprises a first-stage pipe, a second-stage pipe, a first-stage cyclone, a second-stage cyclone and a third-stage cyclone, and the first-stage pipe and the second-stage pipe are both scaling venturi pipes. The supercritical carbon dioxide circulation system comprises fuel supply equipment, pure oxygen supply equipment and a circulation assembly, mixed gas of carbon dioxide and water vapor generated by combustion of the liquid hydrocarbon fuel combustion equipment is circulated through the circulation assembly to obtain high-purity carbon dioxide, and the high-purity carbon dioxide is divided into three paths to flow into a first-stage swirler, a second-stage swirler and a third-stage swirler; the carbon dioxide flowing into the second-stage cyclone is uniformly mixed with oxygen from pure oxygen supply equipment before flowing into the second-stage cyclone. The combustion ignition delay period and the mixing time can be prolonged, a standing vortex high-temperature rapid reaction area is formed, the problem that the combustion speed is low in the concentrated carbon dioxide atmosphere is solved, and the supercritical carbon dioxide circulation efficiency is improved.

The invention provides a method and a system for extracting lithium by combining mineralizing brine and old brine. The method comprises a lithium extraction process of mineralizing brine and a lithium extraction process of old brine, the lithium extraction process of the mineralization brine is carried out in a first resin column ion exchange turntable and comprises adsorption, material ejection, leaching, desorption, liquid ejection and brine ejection which are carried out in sequence; and the step of extracting lithium from the old brine is carried out in a second resin column ion exchange turntable, and comprises adsorption, leaching, desorption and liquid jacking which are carried out in sequence. The method provided by the invention avoids dilution of the mineralization brine, has no loss of potassium, and significantly improves the comprehensive yield and purity of the rear-end lithium product; lithium extraction of salt lake brine and potassium extraction of carnallite ore drying are carried out synchronously, the lithium extraction link is advanced, the lithium extraction period is shortened, and continuous production all year round is guaranteed; the environmental damage problem is small, and the production transformation investment is small; in conclusion, the lithium extraction of the mineralizing brine and the lithium extraction of the old brine have remarkable practical significance on the utilization of salt lake resources.

The present application belongs to the technical field of internal combustion engine, and particularly relates to a kind of alcohol hydrogen fusion engine precombustion chamber system and its control method.Alcohol hydrogen fusion engine precombustion chamber system includes the engine main body with the main combustion chamber and precombustion chamber being communicated with each other, and also includes methanol supply unit, hydrogen production unit, hydrogen delivery control unit, exhaust gas recirculation unit and main control unit;Main control unit collects engine operating parameters and judges current working condition, and adjusts methanol supply path, hydrogen supply path, precombustion chamber working mode, hydrogen production unit heating mode and on-off state of exhaust gas recirculation unit according to working condition.The present application can realize engine full-condition combustion performance optimization without complex auxiliary device, and also considers cold start reliability, high and low load combustion stability and operation energy efficiency, to improve the whole machine operation reliability and transient response capability.

The application discloses a kind of Hourglass visual Transformer dual-path encoding and decoding network camouflage target detection methods, first, Hourglass visual Transformer (Hourglass-VIT) is used to extract low-level features and high-level features of multi-scale simultaneously;Second, the feature fusion of top-down and bottom-up is carried out to multi-scale feature map using dual-path feature pyramid decoder;Then, high-low interactive enhancement module is used to mine low-level and high-level feature correlation, and obtain multi-scale correlation enhanced feature map;Finally, the prediction map of camouflage target is generated by simultaneously inputting multi-scale correlation enhanced feature into network detection head, and the detection of camouflage target in image is realized.The method of the application can significantly improve the distinguishability and recognition ability of camouflage target in multi-class complex scene, especially for small target, target boundary detection effect is good.

This invention discloses a structured compression method that guarantees the fidelity of knowledge objects, comprising: writing the original memorized text into an independent read-only storage area; extracting typified knowledge objects and marking their evidence intervals in the original text; recording the precise character intervals of detected behavioral constraints and setting compression lock flags; calculating the irreplaceability score of each knowledge object, routing according to the score and knowledge type, and performing hierarchical differentiated compression; reconstructing the original text based on the read-only storage area and evidence intervals, performing decompression on the compressed knowledge objects, calculating the F1 score of the decompressed text and the original text, performing implication detection on the behavioral constraints, and reverting to the previous version if a preset threshold is not reached; in multi-round cascaded compression, forcibly passing through knowledge objects whose immutable markers are true. The structured compression method of this invention guarantees the complete preservation of behavioral constraints, verifiable fallback of facts, and no distortion of the program step structure.

This invention discloses a method for wildlife identification and behavior analysis monitoring based on cross-modal data fusion, belonging to the field of wildlife monitoring technology. The method includes: synchronously acquiring multi-source heterogeneous data with a unified time reference; outputting alignment features through a deformable spatiotemporal alignment module, with the alignment learning rate dynamically adjusted by downstream uncertainty feedback; extracting multi-scale visual and audio features; adding uncertainty prediction branches to each modality, calculating dynamic fusion weights, and enhancing private features; constructing a dynamic spatiotemporal graph, using uncertainty differences as edge weights, and outputting enhanced node features through graph convolution; matching with a multi-prototype comparison library, with temperature parameters dynamically adjusted by uncertainty, outputting behavioral labels or candidate anomalies; and end-to-end optimization of the joint loss function. This invention, with uncertainty as its core, achieves closed-loop collaborative optimization across the entire link from alignment, fusion, graph interaction to identification, significantly improving the robustness and accuracy of wildlife behavior identification in complex field scenarios.

The present application belongs to the technical field of plastic waste recycling, and discloses a plastic waste recycling device, which comprises a feeding box, a separation frame, a collecting cover, a cleaning cover, a dryer, a fixing frame and a linkage frame. The inner wall of the separation frame is provided with a groove, a separation rod, a guide plate and a sliding shaft. The top is assembled with a reciprocating screw rod, a moving rod, a spring telescopic rod and a magnetic cleaning brush through the fixing frame and the linkage frame, and is driven by a servo motor to realize reciprocating cleaning. The inner wall of the cleaning cover is connected with a pipe at both ends. The inner wall of the pipe close to the dryer is conical. A cleaning corrugated cylinder and an auger are arranged inside. A driving assembly is arranged on the outside. The dryer is connected through a conveying pipe. The present application realizes accurate separation of metal and plastic through the magnetic attraction reciprocating one-way cleaning structure, solves the problem of plastic retention, adopts the conical connecting pipe leak-proof design to reduce the loss of cleaning liquid, cooperates with the corrugated cylinder and the auger for cleaning, greatly improves the cleaning efficiency and the recovery purity, has strong structure linkage, continuous and efficient treatment, and significantly improves the practicality.

The invention relates to a regeneration control method for a diesel particulate filter of a diesel engine system. The regeneration control method comprises the following steps: judging whether a regeneration condition is met or not; under the condition that the regeneration condition is met, the total oil injection amount used for remote back injection is determined according to the operation parameters of the diesel engine system, and the operation parameters at least comprise the air inlet temperature of the diesel particle filter; the method comprises the following steps of: splitting far rear spraying into a plurality of successive partial far rear spraying parts, the sum of the oil spraying quantity of the partial far rear spraying parts is equal to the total oil spraying quantity, and the front far rear spraying part and the rear far rear spraying part in the adjacent partial far rear spraying parts are spaced by a time difference; the time difference is calculated at least by rail pressure in a common rail pipeline of the diesel engine system and the fuel injection quantity of the front part far rear injection. The invention also relates to a corresponding computer program product, a regeneration control device and a diesel engine system. According to the invention, the fuel injection quantity of each part of the remote rear injection can be accurately controlled, so that the optimized regeneration effect of the diesel particulate filter is realized.

The invention relates to the related technical field of thyroglobulin detection, in particular to a thyroglobulin chemiluminescence detection kit and a detection method thereof.The thyroglobulin chemiluminescence detection kit comprises a kit body structure, the kit body structure is composed of an upper shell and a lower shell which are detachably connected in a sealed connection mode, and a dripping detection hole is formed in the upper shell; the thickening pad and the analysis structure are located in the box body structure, and a gap exists between the thickening pad and the analysis structure; the blocking assembly is installed on the upper shell, a connecting pad for conducting the thickening pad and the analysis structure is installed at the end, arranged in the box body structure, of the blocking assembly, and when the blocking assembly is controlled to release the blocking state of the drop measuring hole, the blocking assembly is controlled to release the blocking state of the drop measuring hole. When the kit is used, the connecting pad can be driven to move downwards to abut against the thickening pad and the analysis structure, and it is guaranteed that the interior of the kit body structure is always kept closed before the kit is started, so that external substances cannot enter the kit body structure through the dropping detection hole.

The present application relates to the technical field of water body bacteria inactivation, and particularly relates to a bacteria inactivation method based on micro-nano bubble ozone synergistic reaction, comprising the following steps: mixing and conveying ozone gas dissolved water and initial sewage to a front reactor to output as dissolved air sewage; conveying the dissolved air sewage to a reaction tank; obtaining the pressure of a plurality of pressure sampling positions of a conveying pipeline conveying the dissolved air sewage; determining the merging state of micro-nano bubbles in the conveying pipeline; determining an abnormal area in the merging state of the micro-nano bubbles; determining the bubble merging amount of the abnormal area based on the obtained conveying pipeline pressure of the position where the connecting port is located and the average pressure in the conveying pipeline behind the connecting port; determining the dosing amount of alkaline substances and the replenishment amount of the dissolved air water; and continuously conveying the dissolved air sewage from the front reactor to the reaction tank to complete the bacteria inactivation operation, so that the cavitation effect of ozone micro-nano bubbles is strengthened and the solubility of ozone in water is improved.

This invention relates to the field of biomedical engineering technology, specifically to a biopolymer film, its preparation method, and its applications. The biopolymer film is mainly composed of the following components: gelatin, sodium alginate, purple cabbage anthocyanin extract, and tannic acid-modified zinc oxide nanoparticles. The preparation method is as follows: tannic acid-modified zinc oxide nanoparticles are dispersed in an acidified solution, gelatin and sodium alginate are added, and the mixture is stirred to dissolve, obtaining a first mixed solution; purple cabbage anthocyanin extract is dissolved in water, tannic acid is added, and the mixture is stirred to dissolve, obtaining a second mixed solution; the first and second mixed solutions are mixed evenly to obtain a film-forming solution; the film-forming solution is poured into a mold and dried to form a film, thus obtaining the biopolymer film. The biopolymer film of this invention integrates the cross-linking enhancement, anthocyanin stabilization, and antibacterial functions of tannic acid, solving the problems of existing biopolymer films requiring multiple additives, complex processes, and functional constraints.

The application discloses a method for determining the content of combustible gas in steam. The sample is collected by the drainage gas collection method: the gas collection container filled with distilled water is inverted in the sink, steam is introduced to condense, the original water in the bottle is replaced and discharged by using the condensed water, so that the non-condensable combustible gas is collected at the top of the bottle, and the air is isolated by the water seal. Then, the standardized syringe sampling is carried out: after being cleaned and lubricated for multiple times, the airtight syringe is used to pass through the bottle plug and draw a certain amount of gas under the liquid surface, and is quickly sealed to avoid pollution. Finally, the sample is analyzed by the gas chromatograph, and the content of the combustible gas in the steam is quantitatively calculated based on the calibration curve or the correction factor established based on the known concentration standard sample. The application has the advantages of strong anti-interference, standard operation, good sample representativeness and low cost, and is especially suitable for accurate monitoring of low-concentration combustible gas.

The nasobiliary drainage tube comprises a drainage tube body which is inserted into a bile duct to conduct drainage on bile, a first balloon, a second balloon and a medicine injection hole are arranged at the far end of the drainage tube body, and an inflation channel, a drainage cavity channel and a medicine conveying cavity channel are arranged in the drainage tube body. The inflation channel is communicated with the first balloon and the second balloon, the medicine injection hole is communicated with the medicine conveying cavity channel, a drainage hole communicated with the drainage cavity channel is formed in the drainage tube, a ventilation piece, a medicine injection connector and a drainage connector are arranged at the near end of the drainage tube, the ventilation piece is communicated with the inflation channel, the medicine injection connector is communicated with the medicine conveying cavity channel, and the drainage connector is communicated with the medicine conveying cavity channel. And the drainage joint is communicated with the drainage cavity. According to the nasobiliary drainage tube provided by the utility model, the drainage cavity channel can play a role in draining bile, the medicine delivery cavity channel and the medicine injection hole can deliver medicine to a bile duct tumor focus, and the first balloon and the second balloon can expand after being inflated so as to limit the medicine to a bile duct between the first balloon and the second balloon as far as possible.

The utility model relates to the technical field of biological pest control, specifically is a kind of pest luring-infection device, attract pest into device and automatically infect fungus, specific structure is: the lower end of baffle assembly is equipped with conical tube assembly from top to bottom, connection mechanism is sequentially equipped between conical tube assembly, the inside of conical tube assembly is corrugated and is set, is lure part;Conical tube assembly lower end is connected with tubular member and corrugated pipe, and tubular member and corrugated pipe are infection part, and the inside surface of infection part is covered with the medicament containing pathogenic fungus spore.The application can complete the automatic inoculation of pathogenic fungus after pest adult enters the device, and allow adult to escape after infection, return to population and further horizontally spread fungus spore, to reduce the number of pest population, reach the purpose of prevention and control.The device is simple to operate, low in cost, reusable, and has very broad application prospect.

This invention discloses a carbon-based fuel gasification method based on the principle of a galvanic cell, comprising the following steps: (1) forming a three-layer self-layered structure of a metal layer, a metal oxide layer, and a molten carbonate layer from bottom to top in a reactor; (2) adding carbon-based fuel to the molten carbonate layer; (3) gasification step: forming a galvanic cell with carbon-based fuel as the negative electrode, metal oxide as the positive electrode, and molten carbonate as the electrolyte, wherein the oxygen in the metal oxide is converted into oxygen. 2‑ The form diffuses through the molten carbonate layer to the carbon-based fuel interface, selectively oxidizing the carbon-based fuel to generate CO. The metal oxide is reduced to metal and sinks to the metal layer; (4) Regeneration step: a gaseous oxidant is introduced into the metal layer to oxidize the metal to metal oxide, replenishing the oxygen storage capacity of the metal oxide layer, and completing the storage of oxygen and the circulation of the reaction medium. This invention utilizes the potential of the galvanic cell to spontaneously drive the reaction and manages the gasification process by controlling the "charging / discharging" cycle. It has the advantages of high CO selectivity, good metal oxide volatilization inhibition effect, high fuel impurity tolerance, high gas production calorific value, and spontaneous and efficient reaction, which is suitable for the needs of clean and efficient conversion of distributed carbon-based fuels.

The needle cylinder type mouse metabolism cage comprises a needle cylinder type cage body, a cage cover, a water bottle and a urine collecting bottle, the needle cylinder type cage body is composed of an upper cage body and a lower cage body, the upper cage body is a living area, the lower portion of the upper cage body is provided with a first filter screen, the upper portion of the upper cage body is provided with a feeding trough, the side wall of the upper cage body is provided with a water tank, the water bottle is placed in the water tank, and a hole is formed in the connecting position of the water tank and the side wall. The lower cage body is a filtering area, the upper portion of the lower cage body is provided with a second filtering net, the bottom of the lower cage body is connected with a urine collecting bottle, and the cage cover is detachably installed on the top of the upper cage body. The needle cylinder type cage body is adopted, the size is proper, the cost is low, the filter screen is detachable, excrement can be easily taken out, and the metabolism cage can be cleaned.

The utility model relates to the technical field of gas sampling devices, in particular to a soil gas sampling device for geological mineral exploration, which comprises an operating handle, a control device, a sampling component and a gas collecting component, the lower end of the operating handle is fixedly connected with the control device, and the inner side of the lower end of the control device is fixedly connected with a driving component. The bottom end of the control equipment is fixedly connected with a sampling assembly, the outer side of the driving assembly is mounted on the outer side of the gas collecting assembly, the driving assembly comprises a limiting telescopic rod, the bottom end of the limiting telescopic rod is fixedly connected with a built-in cylinder, the outer side of the built-in cylinder is fixedly connected with a first rubber sealing ring, and the top end of the built-in cylinder is fixedly connected with a threaded rod; according to the device disclosed by the utility model, a collection mechanism is innovated, vacuumizing is not needed, the sampling process is simplified, the cost is reduced, background gas pollution is avoided, and the detection accuracy and reliability are improved.

The application discloses a kind of unpowered material receiving conveying devices.The unpowered material receiving conveying device includes first material receiving container, second material receiving container, first discharge pipe, second discharge pipe, communication pipeline and support mechanism, the first material receiving container is connected with the first discharge pipe, the second material receiving container is connected with the second discharge pipe, both ends of the communication pipeline are connected with the first discharge pipe, the second discharge pipe respectively and can be communicated or closed with the first discharge pipe, the second discharge pipe respectively, the communication pipeline can be rotatably connected to the support mechanism so that the communication pipeline can be rotated.The unpowered material receiving conveying device of the application can realize instant alternate conveying of material after vibrating screen sorting to different storage tanks, and the production efficiency is high.

The present application relates to the technical field of metal product finishing, and discloses a metal vacuum cup burr-free ring cutting device with smooth cutouts, which comprises a base, a first support frame fixedly connected to the top of the base, a second support frame fixedly connected to the side of the base close to the first support frame, a ring-shaped plate fixedly connected to the end of the first support frame away from the base, a ring-shaped electric sliding rail fixedly connected to the side of the ring-shaped plate, a first sliding plate and a second sliding plate slidably connected to the inner part of the ring-shaped electric sliding rail through electric sliding blocks respectively, a laser cutting assembly fixedly connected to the side of the first sliding plate, and a connecting plate fixedly connected to the side of the first support frame; and a supporting device fixedly connected to the side of the ring-shaped plate. The metal vacuum cup burr-free ring cutting device with smooth cutouts can realize cooling of the cutting area and avoid blowing cooling gas directly to the laser cutting area.

The application relates to the technical field of edge computing and multi-modal data processing, and discloses a park multi-modal data stream alignment and caching method based on event driving, which improves alignment accuracy, resource efficiency and real-time performance, can realize semantic understanding and association, and meets asynchronous data fusion, and comprises the following steps: S1, detecting an event and generating an event anchor point; S2, based on the event anchor point, dynamically intercepting a segment related to the event in a multi-modal data stream and aligning on a time axis; S3, packaging the aligned multi-modal data segment into an event data packet, caching the event data packet according to an event priority strategy, and querying on demand. The application also discloses a system for implementing the above-mentioned park multi-modal data stream alignment and caching method based on event driving.

The application belongs to the technical field of hydrological prediction, and specifically discloses a kind of basin hydrology prediction methods for multi-level reservoir blocking, comprising the following steps: the historical flow data of each node is normalized independently;The feature coding is carried out on the future rainfall forecast data and is fused with the normalized flow sequence and time coding feature;The fusion feature is input into the interactive diffusion graph convolution network tree structure, the input sequence is split according to the odd-even parallel processing and the diffusion graph convolution is generated dynamically to extract multi-scale spatio-temporal features;The initial result is obtained by decoding through the gate linear unit, and the future rainfall forecast data is decoded independently by the residual method to obtain the final result;The mean square error weighted sum optimization model of all nodes and core target nodes is adopted. The application can effectively improve the long-term runoff prediction accuracy of multi-level reservoir basin and inhibit the rapid decay of prediction accuracy with the increase of prediction length.

The present application relates to a method for synthesizing tinidazole deuterium analogues, such as shown in formula I, wherein one or more of R1-R5 are deuterium and the rest are hydrogen, comprising the step of preparing the tinidazole deuterium analogues from intermediate B by oxidation with meta-chloroperoxybenzoic acid, wherein the oxidation is carried out under low temperature and alkaline conditions, and the intermediate B is shown in formula II: The method for synthesizing tinidazole deuterium analogues according to the present application can avoid the problems of deuterium loss and isotopic dilution during the reaction process, obtain stable isotope-labeled tinidazole deuterium analogues with an isotopic abundance of >98%, and have a high yield. The prepared tinidazole deuterium analogues can be used as isotopic internal standard reagents for quantitative detection of tinidazole, for example, in the isotopic internal standard method for detecting the residual amount of tinidazole in meat products, and have the advantages of high recovery efficiency from the matrix and green safety.

The utility model discloses a kind of device for reducing helium waste, belong to helium leakage test technical field, including cavity, pipeline system, recovery tank, recovery pump, compressed storage mechanism, first support and second support, second support is set to first support right side, cavity is installed in second support, pipeline system gas inlet end is connected cavity, recovery tank is installed on first support, it is provided with three gas inlets, one of which is connected with the gas outlet of one pipeline system, recovery pump is installed in first support, recovery pump gas inlet end is connected with the gas outlet of another pipeline system, pump gas outlet is connected with the second gas inlet of recovery tank through pipeline system, compressed storage mechanism is set in first support, compressed storage mechanism gas inlet end is connected with the gas outlet of recovery tank through pipeline system, compressed storage mechanism gas outlet is connected with cavity through pipeline system. The device can maintain the micro-positive pressure inside system, prevent air backflow, avoid helium concentration dilution, realize reducing helium consumption.

The utility model relates to the technical field of rubber tube processing, in particular to a spraying device for processing a separant in a rubber tube, and adopts the technical scheme that an air drying mechanism is arranged between a cleaning water tank and a separant spraying tank; and the air drying mechanism comprises an annular seat through which the rubber pipe can conveniently pass, and an air pump for supplying air into the annular seat through an air supply pipe, so that the problem that water on the surface of the rubber pipe is easy to dilute the separant concentration when the separant is sprayed on the rubber pipe is solved. The air drying mechanism is arranged between the cleaning water tank and the separant spraying tank, and a water film on the surface of the rubber tube is blow-dried by the air drying mechanism when entering the separant spraying tank, so that the separant is prevented from being diluted, and the subsequent vulcanization quality of the rubber tube is ensured.

The present application belongs to the technical field of wastewater sampling, in particular to a water body sampling device for industrial wastewater tracing, comprising a mounting part, a sampling mechanism, a detection mechanism, a wiping mechanism and a backflow mechanism; the mounting part comprises a buoyancy disc and a mounting box, the buoyancy disc is fixedly installed on the upper end face of the mounting box; the sampling mechanism comprises a control pump, a conveying pipe and a filter, the control pump is fixedly installed in the buoyancy disc, the filter is connected with the input end of the control pump, and the conveying pipe is connected with the output end of the control pump; the detection mechanism comprises a carrier and a sensing plate, the sensing plate is obliquely installed on the outer wall of the carrier, and the carrier is fixedly installed on the inner wall of the buoyancy disc; the wiping mechanism comprises a sliding block and a wiping layer, the sliding block is slidingly arranged on the outer wall of the carrier, and the wiping layer is elastically arranged on the bottom of the sliding block; the backflow mechanism comprises a storage cylinder and a backflow pipe; through the cooperation of the above structure, the accuracy and reliability of the industrial wastewater tracing data are improved, and the online continuous sampling and detection mode truly meets the high-precision requirement.

The utility model relates to the technical field of termite trapping equipment, in particular to a termite trapping and killing integrated device which comprises an outer cylinder, a trapping cavity used for collecting termites is formed in the outer cylinder, a cover plate is installed on the top of the outer cylinder, and a plurality of trapping openings allowing the termites to enter are formed in the outer side of the cover plate. The inner wall of the trapping cavity is provided with a plurality of ultraviolet lamps capable of killing termites, the ultraviolet lamps are externally connected with a control switch through wires, the control switch controls the ultraviolet lamps to be turned on and turned off, and the inner side of the bottom of the outer cylinder is provided with a termite trapping agent used for trapping the termites. According to the termite trapping and killing integrated device, through multiple trapping design, the attraction effect on termites is remarkably improved. The termite trapping agent arranged on the inner side of the bottom of the outer cylinder can emit specific smell and generate strong attraction to termites; and a sweet coating is arranged on a pine plate of the bait assembly in the middle of the trapping cavity, so that the attraction to the termites fond of sweet food is further enhanced.

The invention belongs to the technical field of aluminum alloy material machining, and discloses an aluminum alloy material polishing device which comprises a polishing table, a polishing mechanism, a water storage mechanism, an air cooling mechanism and a water cooling mechanism. The polishing mechanism is arranged on the polishing table, the water storage mechanism is arranged on the polishing table, the air cooling mechanism is arranged on the water storage mechanism, and the water cooling mechanism is arranged on the water storage mechanism; the water storage mechanism comprises a mounting frame, the mounting frame is mounted on the polishing table, a water tank is mounted in the mounting frame, and a plurality of air holes are formed in one side of the water tank; the air cooling mechanism comprises an air cooler, the air cooler is installed on the water storage mechanism, and the top of the air cooler communicates with a first air outlet pipe; according to the design, the efficient heat dissipation effect is achieved in the mode that air cooling heat dissipation is matched with indirect water cooling heat dissipation, the phenomenon that the polishing agent is diluted by water and runs off can be avoided through the heat dissipation mode, and the polishing efficiency is improved.

The utility model discloses a shower device, and belongs to the technical field of shower equipment. The shower device comprises a pipeline structure, a switching valve and a foam generator, the pipeline structure comprises a water inlet path, a first water passing path, a second water passing path and a mixed water outlet path, and the switching valve is used for enabling the water inlet path to be communicated with the first water passing path and the second water passing path or enabling the water inlet path to be communicated with the first water passing path. A foaming assembly of the foam generator is installed between the first water passing path and the mixed water outlet path. By adjusting the position of the switching valve, the shower device can be switched between the clean water outlet mode and the foam liquid outlet mode, a user does not need to smear and rub the foam liquid by himself, and the cleaning efficiency and the use experience of the user can be improved. And moreover, the first water passing path and the second water passing path in the clean water outlet mode are both in a conducted state, and water flow in the second water passing path can clean residual foam liquid in the foaming assembly, so that residual cleaning products in the foaming assembly and the mixed water outlet path are avoided.