58results about How to "Guaranteed activity" patented technology

This invention discloses a fully decentralized multi-committee attribute-based encryption method, belonging to the field of information security. It modifies the attribute organization into a committee composed of multiple nodes and designs the committee initialization, attribute key issuance and verification, and encryption and decryption algorithms. The committee uses the DKG protocol to generate public and private keys between nodes, while ensuring that the committee can tolerate 1 / 2 Byzantine nodes. An attribute key verification algorithm is designed to allow users to filter out invalid keys issued by Byzantine nodes. This invention applies X-ABE to implement the Decentralized Access Control Protocol (DACCS) in cloud storage scenarios, applying X-ABE to the stages of issuing user attribute keys and encrypting session keys to achieve encrypted data transmission. Combined with a sharded blockchain architecture, intra-shard consensus is used to ensure consistency among committee nodes during key issuance. User attribute information, ciphertext hash values, and other information are recorded on the blockchain.

The invention discloses a novel vacuum pneumatic solid material conveying and desilting robot which comprises a robot vehicle body and a walking crawler belt, the robot vehicle body advances and retreats through rotation of the walking crawler belt, and a driving wheel and a driven wheel which are rotationally connected with the robot vehicle body are installed in the walking crawler belt. According to the novel vacuum pneumatic solid material conveying and dredging robot, novel structural design is adopted, the automation and intelligence degree is high, unmanned entering is achieved, remote control is achieved, operation means are diverse, efficiency is high, the effect is good, shutdown, production stopping and operation stopping are not needed, production, life and operation are guaranteed to the maximum extent, unmanned entering is achieved in the dangerous environment, and personal safety is avoided. Complete equipment in the whole process does not need complex operation preparation and safety protection, and can be used after being started. The equipment can be reused, the comprehensive cost is greatly reduced, the operation process is completed in a closed loop, dust raising and pollutant throwing are avoided, a small amount of manpower is needed for ecological environmental protection, and the single-person single-shift capacity remote control is greatly improved.

The invention relates to the technical field of beverage preparation, in particular to a processing method of a functional beverage containing embryo elements, which comprises the following steps: separating corn germs from corn kernels, drying the corn germs, and performing microwave treatment at preset microwave power to obtain inactivated corn germs; when it is judged that preparation of the inactivated corn germs does not meet a preset standard according to the oxidation risk characterization value, preset microwave power is increased or the inactivated corn germs are abandoned; the method comprises the following steps: crushing and breaking walls of inactivated corn germs meeting preset standards to obtain germ powder, and performing enzymolysis treatment on the germ powder to obtain a corn embryo base solution; when it is judged that the preparation of the embryo base solution does not conform to a preset standard according to the curve goodness of fit, the reason that the preparation of the embryo base solution does not conform to the preset standard is determined according to the absorbance; and diluting, homogenizing and sterilizing the corn embryo base solution to prepare the functional beverage containing the embryo. The processing efficiency of the functional beverage is improved.

The invention provides preparation and application of black cymbidium hookerianum vesicles and PDRN loaded on the black cymbidium hookerianum, the black cymbidium hookerianum vesicles are extracted from the black cymbidium hookerianum by taking the black cymbidium hookerianum as a source and combining an optimized differential-ultracentrifugation extraction process, and the black cymbidium hookerianum vesicles can be used for loading multiple active ingredients and can be used for preparing the PDRN loaded on the black cymbidium hookerianum vesicles. Particularly, the black cymbidium hookerianum vesicles are subjected to surface cation modification so as to be used for loading PDRN, and the black cymbidium hookerianum vesicles can be applied to the directions of cosmetics with functions of functionalization, formula compounding, oxidation resistance, aging resistance and the like.

The invention relates to the field of food, and particularly discloses a kudzuvine root, rape pollen and bean composition and a preparation method thereof, and the kudzuvine root, rape pollen and bean composition comprises the following raw materials in parts by weight: 40-60 parts of rape pollen, 20-40 parts of kudzuvine root powder, 1-10 parts of rhizoma polygonati powder, 1-10 parts of smoked plum powder, 1-10 parts of Chinese yam powder and 1-10 parts of maltodextrin. The preparation method comprises the following steps: S1, preparing materials, namely crushing and sieving the raw materials, and weighing the prepared materials; and S2, mixing the raw materials, granulating, drying, tabletting, and packaging to obtain the kudzuvine root, rape and pollen bean composition. The pollen nutritional supplement has the characteristic that the functionality and the absorptivity of the pollen nutritional supplement can be enhanced.

The utility model relates to biological engineering equipment technical field, concretely relates to a biochemical incubator, including base, is equipped with the box on the base, is fixed in the box incubator, is pasted with the conduction sheet on the incubator, and the semiconductor refrigeration heating module is connected with the conduction sheet, and one side of the box is equipped with air filtration system, and is communicated with the incubator through the circulation pipe, and the ultrasonic humidifier is equipped below the semiconductor refrigeration heating module, and is communicated with the incubator through the pipeline, and the incubator is equipped with the sealed door, and there is the gap between the incubator and the box and forms the heat insulation layer, and the controller is connected with the temperature and humidity sensor group, gas sensor group electric signal, can automatically regulate and control each module according to real -time data.

The utility model discloses a printing and dyeing wastewater biodegradation treatment device with scrape slag structure, concretely relates to water treatment technical field, and includes the treatment pond, and the inside fixed setting of treatment pond has the filter plate, and the top of treatment pond is provided with fixed frame, and the inside of fixed frame is provided with scrape slag mechanism, and scrape slag mechanism includes the sliding block of sliding setting in the inside of fixed frame, and the top fixed setting of sliding block has first U -shaped frame, and the bottom fixed setting of first U -shaped frame has first scraper, and the both sides fixed setting of first scraper has the guide block, and the surface of treatment pond is provided with the guide groove, and the guide block is slidably connected with guide groove. The utility model discloses double scraper cooperation scrape slag, can remove water surface scum, can also push the filter residue on filter plate, realizes all -round dregs cleaning, and timely discharge dregs, creates good condition for aeration efficient oxygen supply and microorganism degradation, improves overall processing efficiency, and has practicality and economy.

This invention proposes a multi-committee parallel Byzantine fault-tolerant consensus method, GP-BFT. This method groups system replicas into multiple independent committees based on the minimum Byzantine fault tolerance parameter. Each committee executes consensus in parallel, effectively reducing intra-group communication. A two-level leader election is employed: each committee elects a first-level leader responsible for intra-group consensus, and a second-level leader is elected from among the first-level leaders using a threshold coin to coordinate globally. A dual timeout handling mechanism is designed: when less than half of the committees time out, cross-path collaborative commit is used, leveraging committees that have completed consensus to drive the timed-out committees to quickly resubmit; when more than half of the committees time out, aggregated timeout certificates are used to advance the global round. This method significantly reduces consensus latency and communication overhead in large-scale replica scenarios while ensuring security and liveness.

The application discloses a shellfish cleaning system based on biomimetic enzymolysis and micro-eddy current impact, and relates to the technical field of aquatic product processing. The system comprises a primary spraying station, a biomimetic enzyme micro-eddy current cleaning station, a secondary spraying station and a vibrating grading and screening station which are sequentially arranged along the material conveying direction. The primary spraying station is provided with a machine vision recognition module and a pre-rinsing spraying module. The machine vision recognition module adopts YOLOv12-DAFM and is intelligently fused by using a DAFM module. The network framework is based on a YOLOv12 baseline model. The biomimetic enzyme micro-eddy current cleaning station is provided with a dosing unit for adding biomimetic enzyme preparations and a fluid generating unit for generating a controlled micro-eddy current field in a cleaning tank. The dosing unit is a composite enzyme adding device for storing and quantitatively adding at least three different biomimetic enzyme preparations. The fluid generating unit comprises the cleaning tank. Based on the recognition result of the machine vision, the system can automatically match the optimal enzyme formula and cleaning parameters, and realize intelligent 'cleaning according to the material'.

This utility model discloses a microbial agent addition device for microbial fertilizer production, relating to the field of microbial fertilizer production technology. The device includes a chassis, a support plate on the upper side of the chassis, an inlet hopper on the upper side of the support plate, and a discharge hopper fixedly mounted on the lower surface of the inlet hopper. A discharge pipe is located on the lower side of the discharge hopper. A support plate is fixedly mounted on the upper side of the inner wall of the inlet hopper, and a motor is fixedly mounted on the upper surface of the support plate. The output end of the motor passes through the support plate and is fixedly mounted on a rotating column. A ring-shaped stirring column is fixedly mounted on the outer surface of the rotating column. The microbial agent addition device provided by this utility model prevents the microbial agent from settling and stratifying due to sedimentation, ensuring the activity and quality of the microbial agent and improving the efficacy of the microbial fertilizer. Simultaneously, the design of the positioning block, latch, and positioning slot allows for flexible adjustment of the discharge pipe angle, adapting to different production needs and enhancing the device's applicability and production convenience.

The utility model discloses a wear-resistant antibacterial ceramic tile, which relates to the field of ceramic tiles, and comprises a bottom plate, the top of the bottom plate is connected with a wear-resistant mechanism, the wear-resistant mechanism further comprises antibacterial glaze, the antibacterial glaze is also connected to the upper surface of an activated carbon layer, and an aluminum oxide material and the antibacterial glaze are mixed to form the wear-resistant antibacterial ceramic tile. The upper surfaces of the antibacterial glaze and the aluminum oxide material are connected with a microporous DLC (Diamond Like Carbon) protective film. According to the wear-resistant antibacterial ceramic tile, silver ions can be diffused to the surface of the ceramic tile through the microporous buffer fluid and micropores of the microporous DLC protective film, the antibacterial effect of the ceramic tile can be achieved through the silver ions of the antibacterial glaze, the humidity of the ceramic tile can be balanced through the silicon dioxide aerogel, the activity of the silver ions is guaranteed, and the antibacterial effect is improved in a disguised mode; in addition, impact force borne by the silicon dioxide aerogel and the honeycomb blocks can be transmitted to the microporous buffer fluid, the hardness of the microporous buffer fluid can be increased after the microporous buffer fluid is subjected to high-speed impact through the characteristics of an object, and protection on the ceramic tile is greatly improved.

The invention discloses a preparation method of uterine blood mesenchymal stem cells, and relates to the technical field of uterine blood mesenchymal stem cell preparation, and the preparation method comprises the following steps: filtering and diluting a uterine blood sample, adding the diluted uterine blood sample into a sample density separation medium, centrifuging, collecting an upper layer and a middle layer, repeatedly centrifuging, and taking cell precipitate to obtain primary cells of the uterine blood mesenchymal stem cells; resuspending, culturing until the fusion degree of the cells reaches 70-90%, digesting by using a recombinant trypsin solution, collecting a cell suspension, centrifuging, resuspending, inoculating and culturing until the fusion degree reaches 70-90%, digesting by using a recombinant trypsin solution, centrifuging, and resuspending; centrifuging for two times, taking cell precipitate, and resuspending by using a cell freezing medium to obtain the uterine blood mesenchymal stem cells. According to the method, after the uterine blood sample is filtered, the centrifugation step is omitted, and the uterine blood sample is directly added to the upper layer of the sample density separation liquid for centrifugal extraction, so that the normal living cell proportion of primary cells and the adherence rate after inoculation are obviously improved, the production cycle is obviously shortened, and the yield of the primary cells is improved.

This utility model applies to the field of tablet PCs and provides an angle adjustment device for conference PCs. It includes a PC and an adjustment assembly mounted on the back of the PC. The adjustment assembly includes a fixed base, multiple connecting shafts, an adjustment shaft, and a mounting base. The fixed base, adjustment plate one, adjustment plate two, and adjustment plate three are movably hinged together via the multiple connecting shafts. The mounting base includes a fixed plate and a movable ball joint. The adjustment shaft includes clamping rod one, clamping rod two, and two fixed cylinders. The movable ball joint is movably engaged within clamping rod one and clamping rod two. The adjustment device, along with the conference PC, is mounted on a wall via the fixed base. The movably hinged adjustment plates one, two, and three, in conjunction with the adjustment shaft, allow for free adjustment of the PC's angle. Simultaneously, the movable ball joint, in conjunction with clamping rod one and clamping rod two, allows for free rotation and adjustment of the PC, and can adjust the PC's pitch angle within a certain range, giving the PC greater flexibility.

The present application relates to the field of agricultural big data and fertilizer supply chain management, and particularly to a selenium-rich bio-organic fertilizer supply chain collaborative management system based on big data, comprising: a source evaluation step: a management center calls material attributes, a raw material evaluation unit analyzes source quality fluctuations to distinguish batches; an efficiency drift analysis step: in response to abnormal control signals, a conversion analysis unit performs efficiency drift evaluation feedback analysis; a supply-demand collaborative matching step: in response to regular control signals, a collaborative demand unit obtains a collaborative demand coefficient, and a matching division unit performs quantitative matching analysis of control decision; a control execution step: compare control evaluation indexes to generate control signals; the present application constructs a source fluctuation perception and supply-demand collaborative matching closed loop, solves the spatiotemporal mismatch contradiction of raw material fluctuations and soil adsorption specificity, and improves the overall efficiency of the supply chain.

The utility model relates to anesthetic dispensing table technical field, specifically speaking is anesthetic dispensing table for anesthesiology department, include: base, the top of base is provided with dispensing table, storage protection mechanism is used for the storage and protection of anesthetic drug storage protection mechanism setting between base and dispensing table, wherein, the storage protection mechanism includes setting in the drive shell of base top, the outside of drive shell is provided with protection subassembly, the outside of base is provided with mobile positioning assembly, in use can pass through protection subassembly, can realize stable low temperature environment in the medicine storage process, effectively guarantee the activity and quality of anesthetic drug, prolong the effective use time of medicine, in addition the inside of protection subassembly can set up sterilizing device, realize the continuous sterilization in storage space, facilitate the sterilization of storage space after each use, mobile positioning assembly can conveniently move dispensing table, and also can be positioned quickly when using.

This invention relates to the field of Internet of Things (IoT) operating system technology and discloses a multi-terminal collaborative intelligent control system based on IoT, including multiple terminals, a motion execution module, and an edge control module. The edge control module reads the pulse count value of the motion execution module through memory mapping to determine the local displacement and extracts the logical timing code broadcast by adjacent terminals as an external reference. The edge control module compares the local displacement with the external reference to obtain the synchronization deviation. When the synchronization deviation exceeds a threshold, the edge control module generates a high-priority interrupt signal to modify the register instruction and corrects the weight based on the transmission timestamp difference to offset nondeterministic communication delay. This invention utilizes the collaborative determination of physical parameters and logical virtual parameters to construct a hardware-level security barrier, eliminate the interference of network jitter on motion timing, and ensure that the control beat is aligned with the execution beat.

The invention discloses an underground pipe salt elimination and rainwater collection recycling method and system for a coastal garden, and the method comprises the steps: determining underground pipe layout parameters through an underground pipe layout efficiency evaluation model, integrating multi-dimensional monitoring data through a multi-source moisture salt data fusion algorithm, formulating a rainwater collection regulation and control strategy through a rainwater storage regulation and control adaptation model, and carrying out the rainwater collection and control through a rainwater storage regulation and control adaptation model. The salt discharge, water discharge and irrigation parameters are dynamically adjusted by means of a garden water-salt collaborative management and control platform, the salt discharge frequency and the rainwater utilization intensity are optimized in combination with a water-salt state evaluation result, and closed-loop regulation and control are formed through data feedback. Wherein the key steps are further refined into a plurality of sub-steps, and coherent operation of data acquisition, parameter calculation, accurate regulation and control and effect optimization is realized. According to the method, the regulation and control accuracy and the resource utilization efficiency are improved, the method adapts to the complex water-salt environment of the coastal garden, and efficient and stable technical support is provided for ecological construction.

The invention belongs to the field of biological medicine, and discloses a mesenchymal stem cell-derived exosome and active factor secretion composition and a directional preparation method thereof. According to the method, umbilical cord tissues of healthy mammals are used as raw materials, primary stem cells are separated through enzymolysis, and amplification and passage are conducted to 3-5 generations through an alpha-MEM culture medium; a serum-free induction culture medium containing multiple functional components is adopted for directional induction, a conditioned culture medium is collected, gradient centrifugation and ultrafiltration concentration are performed, and the protein concentration is calibrated to be 2 mg / mL, so that a finished product is obtained. The product can synergistically realize moisturizing, anti-wrinkle and tightening effects. Specifically, the exosome and active factor secreted composition is a composite system which is obtained by separating and concentrating mesenchymal stem cells from a conditioned medium of the mesenchymal stem cells after the mesenchymal stem cells are directionally induced by the method and is mainly composed of the exosome, growth factors self-secreted by the stem cells, cell factors and macromolecular active protein.

The invention belongs to the technical field of composite board preparation, and particularly relates to a polyurethane honeycomb core composite board preparation device and a preparation method thereof.The polyurethane honeycomb core composite board preparation device comprises a mounting frame, the side wall of the mounting frame is connected with a controller, the upper side wall of the mounting frame is fixedly connected with a supporting frame, and the supporting frame is of an inverted-L-shaped structure; a first electric push rod is fixedly connected to the upper side wall of the supporting frame, and the movable end of the first electric push rod penetrates through the supporting frame and is fixedly connected with a lifting plate. The two back plates of the polyurethane honeycomb core composite plate are roughened in advance, so that the surface roughness of the back plates can be effectively improved, the contact area between an adhesive and the back plates is increased, the interface anchoring effect is enhanced, the bonding strength and interface reliability between the back plates and the adhesive layer and between the back plates and the honeycomb core are remarkably improved, the defects of layering, debonding and the like are reduced, and the service life of the composite plate is prolonged. Meanwhile, the stability and the service life of the plate under high and low temperature, damp and hot and external force are improved.

The utility model relates to the technical field of sunlight greenhouse strawberry planting, specifically relates to a temperature regulating device for sunlight greenhouse elevated strawberry planting, including the supplementary heating device of adaptation to elevated planting groove, supplementary heating device includes circulating water tank and heat exchange pipe subassembly, and circulating water tank is arranged in one side of elevated planting groove, and is provided with heating component and power component in circulating water tank, and heat exchange pipe subassembly is buried in planting medium of elevated planting groove, and one end of heat exchange pipe subassembly is connected with the water outlet of circulating water tank, and the other end is connected with the water inlet of circulating water tank, supplementary heating device is configured to utilize heating component to heat the water body in circulating water tank, and utilizes power component to pump into circulating water flow to heat exchange pipe subassembly, exchanges heat with the rhizosphere of plant through heat exchange pipe subassembly, forms temperature compensation, realizes the accurate temperature compensation of elevated strawberry rhizosphere area, stabilizes the rhizosphere temperature, equalizes the temperature of different areas of greenhouse, and further guarantees the normal growth of strawberry, reduces the plant frost injury and absolute yield risk.

The invention discloses a device and method suitable for MICP repairing of a curved surface crack of a PHC pipe pile, and belongs to the technical field of concrete crack repairing. Comprising a mobile platform, the mobile platform is provided with a double-liquid grouting pump, an intelligent control system, a heat preservation bacteria liquid barrel and a cementing liquid barrel, the heat preservation bacteria liquid barrel and the cementing liquid barrel are connected with the double-liquid grouting pump through pipelines, the double-liquid grouting pump is in communication connection with the intelligent control system, and a waste liquid barrel is further arranged in the mobile platform; the intelligent control system cooperates with the double-liquid grouting pump, so that the grouting time and the variety and proportion of bacterial liquid and cementing liquid can be accurately controlled, and a differentiated repair strategy is implemented according to the crack width; and the transparent plate body allows an operator to visually observe the filling of the crack, the permeation of the zeolite particles and the MICP cementing process in real time, so that the repair quality and the effect are controllable. The method has no negative influence on the environment; the required bacterial liquid and cementing liquid are relatively low in material cost, and compared with a traditional remediation method, the method has the remarkable advantages of environmental protection, economy and high efficiency.

This utility model relates to the field of integrated stoves, and in particular discloses an integrated stove countertop structure, including a countertop and a valve body structure for controlling the start of the stove. The countertop has a first mounting hole for installing the valve body structure. The valve body structure includes a valve body, a valve stem, and a valve cover connected to the top of the valve body. The valve cover has a connecting pipe extending into the first mounting hole. The bottom of the valve stem can move through the connecting pipe and insert into the valve body. It also includes a sealing structure made of elastic material, comprising a sealing plug sleeved outside the connecting pipe. The outer periphery of the sealing plug is threaded to the first mounting hole. The top of the sealing plug has an annular pressing edge that presses against the top surface of the countertop. An active space is formed inside the sealing plug, and the top of the sealing plug forms a conical surface. The top of the valve stem protrudes through the conical surface to connect to a knob. This product uses only one sealing plug, reducing the number of sealing rings and facilitating installation. Furthermore, the integrated design of the sealing plug and the conical surface ensures a good seal, prevents liquid leakage, and facilitates cleaning.

The present application relates to the technical field of livestock breeding, and discloses a compound intestinal pH regulator for lactating sows and a preparation method thereof, which comprises the following steps: probiotic pretreatment, acidifier embedding, enzyme preparation premixing, adsorbent activation, main material mixing, granulation, drying and whole granulation; the slow-release acidifier particles are formed by embedding citric acid, fumaric acid and sodium butyrate by using a melt spraying method and taking hydrogenated palm oil as a wall material, so that the acidifier can be gradually released in the digestive tract of the lactating sow, the problem of quick dissolution in the stomach and failure is reduced, the intestinal tract in the later stage is effectively acted on, the problem that the existing single acidifier is difficult to maintain a stable acidic environment for a long time is solved, and the continuity and effectiveness of intestinal pH regulation are ensured.

This utility model discloses an odor removal device for rabbit cages, including a chassis. A guide plate is fitted into the middle of the chassis. The guide plate has guide grooves evenly spaced longitudinally. Air holes are symmetrically formed on the inner walls of several guide grooves. A through hole is formed on the right side of the guide plate. A blower is connected to the right side of the chassis. An outer cover is fitted into the top of the chassis. Several base rods are evenly spaced at the bottom of the outer cover. Rotating shafts are respectively set on the bottom of the left and right sides of the outer cover. After the guide plate is installed inside the chassis, there is room on the top and bottom sides. A pH adjusting gel can be laid in the guide plate to neutralize the urine discharged from the top of the guide plate to the sides. The inclined top of the guide plate, together with the guide grooves, can effectively guide the excrement. The multiple sets of air holes can effectively blow air inward through the through hole by the blower to ensure effective ventilation and improve the odor removal effect.

The invention relates to the technical field of solvent extraction, and discloses a rare ginsenoside extraction device and a rare ginsenoside extraction process, the rare ginsenoside extraction device comprises an evaporation concentration assembly, a gas-liquid separator, a condensation assembly and a condensate receiving tank which are communicated in sequence; according to the invention, the conical dispersion cylinder realizes uniform distribution of total cross section of steam, avoids the problems of vibration and bias flow caused by direct flushing of the steam to the tube plate, greatly improves the utilization rate and condensation efficiency of the heat exchange tube, and stabilizes the vacuum degree of the system; a two-stage interception structure of front gas-liquid separation matched with secondary defoaming of a gas inlet cavity effectively prevents rare ginsenoside entrainment from running away along with steam and adhering to the inner wall of a condensation pipe to scale, and a closed-loop reflux structure is matched to realize full-amount recovery of effective components, so that the product yield is increased; the whole-process closed vacuum communication design is adopted, external air is isolated in the whole process, the oxidative degradation risk of rare ginsenoside is reduced, meanwhile, low-temperature concentration can be achieved in the vacuum environment, the thermal degradation probability of target components is reduced, and the product activity is guaranteed.

This invention belongs to the field of fermentation technology, specifically relating to a probiotic-based fermented citrus beverage and its preparation process. The preparation process of the probiotic-based fermented citrus beverage includes the following steps: S1, pretreatment of raw juice to obtain fermentation base liquid; S2, inoculation; S3, fermentation to obtain fermentation broth; S4, post-treatment. By using a compound enzyme preparation to directionally degrade bitter substances, employing a compound acid-resistant bacterial strain for synergistic fermentation, and combining substrate optimization, staged temperature-controlled fermentation, and low-temperature post-treatment technology, the content of naringin and limonene is significantly reduced, while the retention rates of total phenols and total flavonoids and the survival rate of probiotics are improved. This results in a citrus beverage with excellent flavor, nutritional and health benefits, and stability.

The invention discloses a liquid biopsy device for breast cancer drug-resistant pathway detection, belongs to the technical field of liquid biopsy sampling, and provides the following scheme that the liquid biopsy device comprises a tool mechanism, a biopsy storage mechanism is arranged above the tool mechanism, and the biopsy storage mechanism comprises an external cold storage cavity and a circular flow assembly; a refrigeration assembly is arranged on the external cold storage cavity, a mounting frame is fixedly connected to the interior of the external cold storage cavity, and a plurality of tooth sections are arranged on the upper portion and the lower portion of the mounting frame in a staggered mode; test tube samples are stored in the limiting assembly, then the test tube samples are driven by the circulating flow assembly to be transferred to the sealed inner cavities, and as the external cold storage cavity is divided into a plurality of inner cavities by the sealing partition plates, when one sample is taken and put down, only the corresponding independent inner cavity is opened, and the other inner cavities are kept in a sealed state, so that the consumption of cold air is greatly reduced; the circular flow assembly controls circular flow of test tube samples, so that all the samples are always in a stable low-temperature environment, and the sample activity is effectively guaranteed.

This invention provides a device for separating and extracting active spores of microorganisms, relating to the technical field of microbial spore production devices. It includes a tank with a separation chamber inside, a separation frame sliding vertically within the separation chamber, and a drive rod fixedly mounted at the bottom of the separation frame. A rotating disc is fixedly mounted above the separation frame within the separation chamber, and several elastic levers are fixedly mounted at the bottom of the rotating disc. A vibration and oscillation mechanism is also fixedly mounted within the separation chamber to drive the separation frame to slide and rotate reciprocally within the separation chamber, intermittently contacting the elastic levers. A drive motor is fixedly mounted on one side of the tank to drive the rotating rod to rotate. A collection tank is located on one side of the tank, with an inlet and an outlet. The inlet is connected to the outlet end of the discharge channel, and the outlet is connected to an exhaust fan. This invention solves the problems of significant mechanical damage, incomplete spore separation within the material, and low collection purity in existing devices.

The utility model belongs to the technical field of medical instruments, and relates to a transdermal drug delivery device and transdermal drug delivery equipment. The application disc is provided with a central drug delivery cavity and a negative pressure outer ring cavity, the central drug delivery cavity can provide proper drug delivery temperature through heating, and the negative pressure outer ring cavity provides adsorption force to skin through connection with the host device. A temperature sensing element and an image sensor are further arranged on the application disc, so that more accurate temperature control and real-time monitoring of the skin state are achieved, and discomfort possibly occurring in the transdermal drug delivery process is avoided. After drug administration is completed, the main machine device can automatically relieve pressure so that the application disc can be taken down conveniently. According to the application, the safety and effectiveness of transdermal drug delivery are effectively improved.

The application relates to a multi-material valuable component efficient leaching device and method based on a pressurized dissolved gas cavitation effect, which comprises a cylindrical pressure-resistant container fixed on a support in a horizontal mode, the end port of the pressure-resistant container is provided with a sealing door; a joint pipe A is arranged at the upper part of one end of the pressure-resistant container, a quick opening and closing valve is connected to the joint pipe A, a joint pipe B is arranged at the upper part of the other end of the pressure-resistant container, an air inlet ball valve is connected to the joint pipe B, and a pressure gauge is arranged in the middle part; a joint pipe C is arranged at the lower part of one end of the pressure-resistant container, a liquid discharge ball valve is connected to the joint pipe C, and a liquid inlet pipe is arranged at the upper part of the end; an aeration assembly connected with the air inlet ball valve is arranged in the pressure-resistant container; a pressurized dissolved gas-instantaneous pressure release cavitation mechanism is adopted to form microscale damage force, break through the microscale mass transfer resistance of a solid matrix, efficiently release the wrapped target components, greatly improve the leaching rate and shorten the extraction time; and process parameters can be flexibly adjusted to adapt to various materials from fragile plant tissues to hard mineral ores.