105results about How to "Flexible regulation" patented technology

The invention provides a full-space circularly polarized metasurface with identical amplitude modulation, and relates to the technical field of electromagnetic regulation and control of novel artificial electromagnetic materials. The metasurface comprises M * M metasurface units which are arranged in an array, wherein M is equal to 2, 3, 4,...; in the metasurface unit, a first metal layer comprises a first substructure and a second substructure; the first substructure is a gear and comprises four equidistantly distributed tooth roots, a pair of transverse tooth roots are equal in length, and a pair of longitudinal tooth roots are equal in length; a concentric ring is arranged in the gear ring of the first substructure; the second substructure is arranged in the concentric circular ring and comprises a double-E structure and a cross structure; openings of the double-E structure are opposite, the double-E structure is provided with two symmetry axes passing through the circle center of the gear ring, and the cross-shaped structure coincides with the two symmetry axes. The second metal layer is a metal plate etched with an annular metal groove; the first and third metal layers have the same structure. In the metasurface, a plurality of metasurface units with different polarization structures are designed, three independent functions can be realized, and the metasurface is rich in function, small in size, high in efficiency and high in integration degree.

The invention discloses a double-layer energy management method for a long-distance heat supply system comprising a distributed energy storage adjusting unit. The double-layer energy management method comprises the steps that the long-distance heat supply system comprising the distributed energy storage adjusting unit is established; setting an application mode of a distributed energy storage adjusting unit in the long-distance heat supply system; setting an energy storage and discharge mechanism of the distributed energy storage adjusting unit; by taking maximum consumption of new energy, optimal load supply and demand balance and optimal economic benefit as objective functions, establishing an energy storage adjusting unit optimization operation model in the source side thermal power plant, and deciding energy storage and discharge states and energy storage and discharge of the energy storage adjusting unit under different time scales; taking the minimum load curve standard deviation, the optimal heat load supply and demand balance, the lowest heat loss load rate and the maximum delay thermal power plant investment limit as objective functions, and establishing a heat storage device optimization operation model of a heat storage adjusting pool and a heating station on a pressure isolation station side and a heat user side; and energy storage and release states and heat storage and release of the heat storage adjusting water tank and the heat storage device under different time scales are decided.

The invention relates to the technical field of power transmission line control, in particular to a self-adaptive optimization control system for an ultra-high voltage power transmission line, which comprises a corona effect monitoring and environment sensing module for monitoring and acquiring a corona discharge condition in the power transmission line in combination with a multi-point distributed sensing network and collecting meteorological data in real time; the self-adaptive voltage and electric field control module is used for dynamically adjusting the voltage level of the power transmission line through a self-adaptive voltage adjusting algorithm according to the corona discharge condition and the meteorological data; the corona power loss calculation module is used for analyzing the electric field intensity, the air ion density and the noise level of the power transmission line through a nonlinear model, calculating the power loss caused by the corona effect, generating a dynamic corona loss prediction curve, and finely adjusting the adjusted voltage level in the adaptive voltage and electric field control module; according to the method, the calculation of the power loss is more accurate, the corona effect monitoring precision is improved, and the risk caused by sudden intensification of the corona effect can be effectively avoided.

The invention relates to multi-element rare earth silicate / silica carbon nano composite ceramic and a preparation method thereof. The composition general formula of the nano composite ceramic is (YbaHobErcLudTmeGdfTbgYhLaiScj) 2SixO2x + 3 / SiOC, a + b + c + d + e + f + g + h + i + j = 1, at least two of a, b, c, d, e, f, g, h, i and j are not 0 at the same time, and x = 1 or 2. The preparation method comprises the following steps: reacting a rare earth metal element complex with a silicon-based polymer to obtain a single-source precursor; the single-source precursor is obtained through cross-linking and high-temperature heat treatment, or the single-source precursor is subjected to cross-linking and pyrolysis to obtain ceramic powder, and the ceramic powder is further sintered at high temperature to obtain a ceramic block. The preparation method is simple, reliable, short in period and low in cost, and the water and oxygen corrosion resistance of the material can be effectively improved.

The invention relates to the technical field of automatic control flow metering, in particular to a secondary side temperature supply control method based on an intelligent control valve. The method comprises the following steps: collecting water supply temperature and water return temperature, and calculating water supply and return temperature difference and total water supply flow; constructing an intelligent control valve regulation rate equation based on a reaction kinetics control theory, and generating a preliminary opening degree regulation signal; collecting the temperature difference of each path of the secondary side by utilizing topological optimization control, calculating the path flow, and dynamically adjusting the water supply distribution of each flow path; automatically switching a control mode by adopting a phase state switching technology, controlling a valve change rate by using a smooth function, and introducing a latent heat model to eliminate a temperature difference; and synthesizing the initial opening signal and the topological optimization result to generate a main valve opening control signal. According to the secondary side temperature supply control method based on the intelligent control valve, through combination of reaction kinetics control and topological optimization control, valve dynamic adjustment based on the temperature difference between supply water and return water and real-time distribution of water supply flow of all paths are achieved.

The invention relates to a perovskite crystal composite material, a solar cell, a laminated cell and a photovoltaic module. The perovskite crystal composite material comprises a perovskite precursor and an organic additive, the organic additive has a structure as shown in a general formula (I), wherein R1 independently comprises one of-H and substituted or unsubstituted C1-C6 alkyl when appearing every time; and R2 comprises one of a substituted or unsubstituted C1-C6 alkylene group and a substituted or unsubstituted C1-C6 alkyleneoxy group. The perovskite solar cell prepared by using the perovskite crystal combination material provided by the invention has excellent long-term stability while realizing high photoelectric conversion efficiency. # imgabs0 # (I).

The invention discloses a low-voltage temperature control experiment module for a Mars environment simulation test and an experiment method, relates to the technical field of ground simulation Mars environment equipment, and solves the problem that the comprehensive simulation capability, especially the temperature aspect, of the ground simulation equipment for the Mars environment is insufficient. An upper cover of the experiment cabin is provided with a refrigeration expansion machine, and an inner cavity of the experiment cabin is connected with a vacuum baffle valve; the inner cavity is communicated with the vacuum baffle valve and the inner cavity body, and the refrigeration expansion machine is connected with the inner cavity body; an outer cavity connecting vacuum baffle valve and an outer cavity air inlet channel arranged on the outer cavity are communicated with the outer cavity, and an inner cavity air inlet channel on the outer cavity is communicated with the inner cavity; a condenser and a heater are arranged on the inner cavity, a copper cold screen is arranged in the inner cavity, and the refrigeration expansion machine, the condenser and the copper cold screen are sequentially connected. The Mars environment ground simulation experiment device can fully simulate the surface temperature, gas environment and pressure environment of Mars, overcomes the defects of the Mars environment ground simulation experiment device, and provides equipment support for the fields of aerospace, Mars detection and the like.

The invention relates to the technical field of concrete pouring, and discloses a top-down method circular vertical shaft wall concrete rotating bucket pouring device which comprises a hoisting bucket arranged in a vertical shaft, the outer portion of the bottom end of the hoisting bucket is movably sleeved with a conveying pipe, the hoisting bucket is provided with a first connecting assembly used for being connected with the conveying pipe, and the end, away from the hoisting bucket, of the conveying pipe is provided with a conveying block. A second connecting assembly used for being connected with the conveying block is arranged on the conveying pipe, a material guiding groove is formed in the side, close to the conveying pipe, of the conveying block, an obliquely-arranged material conveying plate is arranged above the lifting hopper, and limiting plates are fixed to the two sides of the material conveying plate. According to the device, concrete can be rapidly poured into the shaft wall of the circular vertical shaft, in the concrete pouring process, the pouring assembly can be adaptively regulated and controlled, the pouring assembly can be flexibly adjusted, the pouring efficiency is high, and use is convenient.

The invention relates to the technical field of production line intelligent regulation and control, and particularly discloses an intelligent operation regulation and control system and method for a packaging bag production line. Performing time sequence correlation and condition implicit feature interaction of environmental parameter data of each transmission sub-region by adopting a data analysis and processing technology based on deep learning, then constructing a transmission sub-region spatial topological matrix of the plurality of transmission sub-regions and performing topological feature extraction; therefore, whether the environmental condition of each detection point is abnormal or not is automatically judged according to the global interactive codes between the plurality of temperature-humidity interactive fusion representations and the spatial topological features of the transmission sub-regions. In this way, the threshold value is automatically adjusted according to the historical trend, parameter changes are intelligently recognized, potential problems are warned in advance, and flexible and accurate environment monitoring is achieved.

The invention relates to a fine-grain mineral reinforced mixing and size mixing device and method, belongs to the technical field of mineral flotation stirring and size mixing, and solves the problem that the stirring and size mixing device in the prior art cannot meet the requirements of high dispersion and collision between fine-grain minerals and flotation reagents due to the single structural design. The device comprises a barrel body, a chemical adding mechanism and a wheel-paddle coupling pulp mixing mechanism, the chemical adding mechanism is arranged on the outer side of the barrel body, the wheel-paddle coupling pulp mixing mechanism is used for intensively mixing and mixing pulp in the barrel body, and an inner cavity of the barrel body is divided into a feeding distribution area, an opposite impact area and a shearing impact area from bottom to top. Based on horizontal shearing turbulent flow collision at the bottom of the barrel body and vertical shearing turbulent flow collision at the top of the barrel body, vortex shearing of ore pulp and an agent fed into the barrel wall in a top impeller area and secondary convection collision reinforcement between impeller propelling paddle areas are achieved, dispersion, collision and adhesion of fine-grain minerals and the agent are enhanced, the pulp mixing time is shortened, and the pulp mixing efficiency is improved.

The utility model belongs to the technical field of breeding, and particularly relates to a partition type chicken raising cage which comprises a chicken coop, a cage frame is fixedly connected to the upper portion of the chicken coop, a partition assembly is arranged in the cage frame, the partition assembly is movably connected with a movable limiting device, and the partition assembly comprises a limiting base. According to the partitioned chicken raising cage, through the arranged partitioning assembly, a rotating handle is controlled to drive a threaded rod to move, a sliding block on the threaded rod slides to drive angle deflection of a first hinge rod, a guide rod below the threaded rod prevents the sliding block from deviating, the first hinge rod pushes a fixing plate to move forwards, and the first hinge rod moves to drive a second hinge rod to move; a sliding column of a second hinge rod is slidably connected into a sliding groove, the direction is flexibly adjusted, the fixing plate is pushed under the common effect of the two sets of rod bodies, then the partition cage body slides, the partition function is adjusted and controlled, the requirements of different growth stages are met, and different management measures are adopted for chickens in different areas.

The invention discloses a magnetic-thermal response type phononic crystal plate device and an elastic trough state transmission characteristic regulation and control method thereof, and relates to the technical field of novel artificial metamaterials. The magnetic-thermal response type phononic crystal plate device comprises a magnetic-thermal-elastic phononic crystal plate and a plurality of magnets and thermoelectric pieces; the phononic crystal plate is formed by arranging a plurality of unit cell structures, and each unit cell is composed of a magnetostrictive column and an aluminum plate; the external magnetic field is regulated and controlled by adjusting the distance between the magnet blocks; the temperature of different magnetostriction columns is controlled by controlling the thermoelectric pieces, so that the adjustment of a temperature field is realized; a broadband elastic trough Hall interface state is induced to be generated, and dynamic adjustability of magnetic-thermal dual excitation to a trough topology transmission path is achieved on the premise that the structure is not changed. The technical problem that the frequency of the elastic trough Hall interface state and the topological transmission path are difficult to dynamically regulate and control on the premise that the structure of a traditional topological photonic crystal is not changed is solved.

The invention provides a method for assisting and strengthening a chemical reaction of a flow battery based on local ultrasound, which comprises the following steps of: (1) arranging ultrasonic transducers on bipolar plates of a positive half battery and a negative half battery of the flow battery, the arrangement position of the ultrasonic transducer on the bipolar plate and the size of the ultrasonic transducer enable the action area of ultrasound applied by the ultrasonic transducer to cover the flow dead zone in the porous electrode; (2) connecting a signal generator with an ultrasonic transducer through a power amplifier; and (3) in the operation process of the flow battery, starting the signal generator and the power amplifier to apply ultrasound to the flow battery through the ultrasonic transducer, and improving the flow velocity and the flow uniformity of the electrolyte in the porous electrode by utilizing the ultrasound so as to strengthen the chemical reaction of the flow battery. According to the method, the flow uniformity of the electrolyte in the porous electrode can be effectively improved, the flexible regulation and control of the flow field in the porous electrode of the flow battery are realized, and the ultrasonic power consumption of the regulation and control of the flow field in the electrode is reduced.

The invention discloses a compact circularly polarized filtering patch antenna which comprises an upper dielectric substrate and a lower dielectric substrate, a positive 45-degree main radiation patch, a pair of inclined rectangular parasitic patches which are arranged in a positive 45-degree direction and are parallel to the main radiation patch, and a pair of L-shaped parasitic patches which are arranged in a diagonal line in the positive 45-degree direction are printed on the upper dielectric substrate; a pair of vertical rectangular parasitic patches which are arranged diagonally at minus 45 degrees are printed on the lower surface of the upper-layer dielectric substrate; a floor is printed on the upper surface of the lower dielectric substrate, a middle rectangular groove is etched in the middle lower portion of the floor, four edge rectangular grooves are etched in the edge of the floor, a microstrip feeder line and a branch knot are printed on the lower dielectric substrate, and signals enter from a port and are coupled to the main radiation patch through the middle rectangular groove in the floor via the microstrip feeder line. And the main radiation patch is coupled and excited to the peripheral parasitic patches. By using the compact circularly polarized filtering patch antenna provided by the invention, the circularly polarized radiation performance with a compact structure and good band-pass filtering response is realized.

The utility model is suitable for the technical field of respiratory training, and provides a respiratory training device which comprises a cylinder, supporting legs are detachably installed on the two sides of the cylinder, and supports are arranged at the bottoms of the two supporting legs. The shelf is used for placing the floating ball, and an airflow port is formed in the shelf; the air blowing pipe is fixedly communicated with the bottom of the cylinder body; and the adjusting mechanism is arranged on the cylinder body and is used for adjusting the size of the airflow port. According to the respiratory training device, accurate quantification, flexible regulation and control and efficient and safe respiratory training are achieved, the pertinence and effectiveness of training are improved, sanitation, comfort and safety in the using process are guaranteed, and effective training of respiratory muscles is promoted.

The invention provides an optical fiber magnetic field sensor and a preparation method thereof, a sensing device and a magnetic field detection method, the optical fiber magnetic field sensor comprises an optical fiber, a magnetic strip and a fixing piece, the optical fiber magnetic field sensor comprises the optical fiber, the magnetic strip and the fixing piece, at least part of the optical fiber is bent to form a bent part, and the magnetic strip is fixed to the fixing piece. The bending part is arranged on the optical fiber, so that the bending radius of the optical fiber is changed, then the refractive index of the optical fiber is changed, spectrogram data of spectrum drift can be obtained, and then a spectrogram for determining the size of a magnetic field by representing the wavelength drift amount in a spectrum is obtained. Compared with the prior art, the technical scheme of the invention has the advantages of simple preparation, flexible regulation and high measurement precision.

This invention relates to the field of polymer materials technology, specifically to a method for preparing and applying a rigid polyimide foam reinforced with aluminum honeycomb. The method for preparing the rigid polyimide foam reinforced with aluminum honeycomb provided by this invention includes steps such as surface pretreatment of the aluminum honeycomb core material and fixing the pretreated aluminum honeycomb core material into a molding die. The rigid polyimide foam material reinforced with aluminum honeycomb obtained by this invention not only possesses high specific strength and high specific stiffness, but also inherits the excellent properties of polyimide foam such as high temperature resistance, flame retardancy, low smoke, and thermal insulation. The introduction of the aluminum honeycomb skeleton also improves the material's impact resistance and dimensional stability, making it an ideal multifunctional integrated lightweight structural material with promising application prospects.

The application discloses a kind of microcavity optical frequency comb ultra-high repetition frequency precision measurement system and method, solve the existing microcavity optical frequency comb repetition frequency measurement system because of facing electronic device frequency bandwidth bottleneck lead to the problem that measurable range is seriously limited, including optical rough measurement unit, comb tooth processing unit, modulation frequency shift unit, reference equalization unit, beam combination beat frequency unit and microwave precision measurement unit;Optical rough measurement unit is used to measure the repetition frequency of the light beam to be measured, and is divided into measurement beam and reference beam;Comb tooth processing unit is used to filter out target comb from measurement beam;Modulation frequency shift unit is used for electro-optic modulation to target comb;Reference equalization unit is used to control the reference comb power of reference beam to obtain better beat frequency detection effect;Beam combination beat frequency unit is used for optical beam combination beat frequency between target comb and reference comb and is divided into two beams;Microwave precision measurement unit is used to detect the beat frequency signal between target comb and reference comb, to realize the precision measurement of repetition frequency.

This invention provides a solid acid catalyst comprising a divinylbiphenyl polymer as a backbone and a sulfonate group as an active center; wherein the divinylbiphenyl polymer comprises substituted or unsubstituted divinylbiphenyl monomer structural units and optionally substituted or unsubstituted divinylbenzene monomer structural units; in both the substituted or unsubstituted divinylbiphenyl monomer structural units and the substituted or unsubstituted divinylbenzene monomer structural units, the substituents are each independently C1-C5 alkyl groups. This invention selects suitable polymeric monomers and polymerizes them to obtain a polymer backbone with a stable backbone structure and a large specific surface area; after sulfonation, the backbone structure is maintained, and the resulting catalyst has a stable acid active center.

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation cold plate adopting a high-efficiency heat-conducting medium, which comprises a first heat dissipation part, a second heat dissipation part, a third heat dissipation part, a fourth heat dissipation part, a third heat dissipation part and a fourth heat dissipation part, and is characterized in that the first heat dissipation part comprises a first substrate, a top of a second substrate, a first flow channel and a second flow channel; the other end of the first flow channel is connected with one end of the second flow channel through a conical flow channel, a water outlet is formed in the other end of the second flow channel, and the water inlet and the water outlet are both formed in the first side face of the first base plate; and the second heat dissipation part is arranged at the bottom of the first heat dissipation part and comprises the bottom of a second substrate and a plurality of conical heat dissipation channels penetrating through the interior of the bottom of the second substrate. According to the utility model, the heat dissipation efficiency and the heat dissipation uniformity are improved.

The invention relates to the technical field of calf feeding, and discloses an intelligent calf feeder which comprises a base and a mounting seat arranged above the base, the base is movably sleeved with a supporting frame, a shell is fixed to the top of one end of the mounting seat, the top of the shell is movably sleeved with a cover, and an ultraviolet lamp is fixed to the inner wall of the cover. A plurality of heating pipes are fixed to the inner wall of the bottom of one side of the shell, mounting plates are fixed to the two sides of the end, away from the shell, of the mounting base, and conveying pipes corresponding to the mounting plates are connected to the side, close to the mounting plates, of the shell. According to the calf feeding device, calves can be fed, adaptive regulation and control can be conducted according to the body height of the calves, the feeding device can be disinfected and sterilized, diet or liquid medicine in the feeding device can be heated, the inner wall of the feeding device can be washed, materials in the feeding device can be evenly stirred, and the working performance is high.

The invention discloses a waveform-controllable plasma processing method and system, and belongs to the technical field of semiconductor manufacturing processes. Providing a programmable control radio frequency power waveform to a bottom electrode in the plasma cavity as a bias voltage, wherein the programmable control radio frequency power waveform comprises a pulse waveform and a slope waveform; plasma control variables are measured through a sensor arranged at the output end of the plasma cavity; and dynamically adjusting a control signal of a power supply generating the bias voltage based on the detection data of the control variable, and adjusting the radio frequency power waveform to control ion energy distribution and compensate for the charge accumulation effect in real time. According to the invention, independent and accurate control of ion energy and ion flux is realized, and the problems of non-uniform process and device damage caused by wide ion energy distribution, double peaks and charge accumulation in traditional radio frequency bias are solved.

The utility model provides a semiconductor process machine table and semiconductor process equipment, a temperature control structure is arranged in a bearing table, and the upper surface of the bearing table is a flush surface; a first temperature control pipeline in the temperature control structure is located in a first area, and a second temperature control pipeline is located in a second area surrounding the first area. The first temperature control pipeline and the second temperature control pipeline are the same in pipe diameter and different in distance from the upper surface of the bearing table. According to the utility model, the temperature control structure is partitioned to respectively control the temperatures of the center and the edge of the bearing table, so that the reaction rate of the wafer on the bearing table is uniform; meanwhile, by setting the positions of the partitions, the temperature adjustment better conforms to the reaction rate distribution, and the reaction uniformity is improved; in addition, the temperature of the bearing table is adjusted by setting the heights of the first area and the second area to be different, and the improvement method is simple and convenient to apply; finally, the temperature of the machine table is adjusted by setting different fluid flow rates of the temperature control pipeline, the form of the temperature control structure does not need to be changed, and the method is simple and convenient and facilitates popularization.

The application relates to the technical field of power supply equipment, and discloses an inverter power supply, which comprises a shell body, a power distribution unit arranged in the interior of the shell body, the power distribution unit being provided with an input terminal used for accessing first alternating current, the power distribution unit further comprising a rectifier bridge electrically connected with the input terminal, the rectifier bridge being used for converting the first alternating current into direct current, an inverter unit arranged in the interior of the shell body, the inverter unit comprising a busbar capacitor plate, the busbar capacitor plate being electrically connected with the rectifier bridge, the busbar capacitor plate being connected with an IGBT module, the IGBT module being connected with an output terminal, and a control unit arranged in the interior of the shell body, the control unit being connected with the IGBT module, the control unit being used for controlling the IGBT module so that the IGBT module converts the direct current into second alternating current, and the second alternating current is output through the output terminal. The inverter power supply provided by the application can control the parameters of output current more accurately.

The invention relates to the technical field of power transmission line control, and in particular to an adaptive optimization control system for a UHV power transmission line, comprising: a corona effect monitoring and environment perception module: combining a multi-point distributed sensor network to monitor and obtain the corona discharge situation in the power transmission line, and collecting meteorological data in real time; an adaptive voltage and electric field control module: dynamically adjusting the voltage level of the power transmission line through an adaptive voltage regulation algorithm according to the corona discharge situation and meteorological data; a corona power loss calculation module: analyzing the electric field strength, air ion density and noise level of the power transmission line through a nonlinear model, calculating the power loss caused by the corona effect, generating a dynamic corona loss prediction curve, and fine-tuning the adjusted voltage level in the adaptive voltage and electric field control module; the invention ensures that the power loss is calculated more accurately, which not only improves the accuracy of corona effect monitoring, but also effectively avoids the risks caused by the sudden aggravation of the corona effect.

The present application relates to the technical field of double-suction pump, in particular to a multi-working-condition overload-free double-suction pump, which comprises a shell assembly, the shell assembly comprises a lower shell, and the top outer wall of the lower shell is fixedly connected with an upper shell, a connecting shaft mechanism is rotatably installed between the lower shell and the upper shell, a impeller assembly is installed at the midpoint of the connecting shaft mechanism, and the impeller assembly is located inside the lower shell and the upper shell, and the connecting shaft mechanism comprises a connecting shaft which is rotatably connected to the lower shell. Three groups of adjustable limit seats are assembled on the connecting shaft, and the limit seats and the adaptive fitting structure of the inner connecting sleeve of the impeller assembly are used to assist the workers to complete the rapid assembly of the impeller on the connecting shaft. Meanwhile, the driving assembly is integrated in the connecting shaft, and the rotating part structure at the end of the connecting shaft can flexibly regulate and control the position of the limit seat, thereby improving the problems of complicated disassembly and assembly process and inconvenient maintenance of the impeller of the existing double-suction pump to a certain extent.

The application belongs to the technical field of pipeline ultrasonic guided wave detection, and proposes a twist mode adjustable in-pipe electromagnetic ultrasonic guided wave transducer and a working method thereof. The application comprises multiple circumferential magnet arrays arranged along the axial direction. The circumferential magnet array comprises multiple main magnets and multiple auxiliary magnets staggered along the circumferential direction. The magnetization direction of the main magnet and the magnetization direction of the auxiliary magnet are alternately orthogonal in the circumferential plane. By embedding the circumferential magnetization auxiliary magnet between the radial magnetization main magnet, the radial bias magnetic field strength of the pipe wall area is significantly enhanced, and the electromagnetic interference of the back area of the transducer is effectively suppressed. Without increasing the volume of the magnet, the electromagnetic ultrasonic conversion efficiency and the excitation amplitude of the pipeline twist guided wave are improved. By adjusting the current excitation direction of the spiral coil at different positions to change the axial distribution period of the Lorentz force at the pipe wall, the selective excitation and flexible regulation of the pipeline twist mode can be realized without changing the geometric structure of the transducer.

This invention relates to a plasma generator based on a dense microporous material catalysis, belonging to the field of low-temperature plasma technology. The plasma generator contains at least one discharge unit, which includes a first electrode, a microporous ceramic medium, and a second electrode. The first electrode is used to connect to a power source, and the second electrode is used for grounding. The microporous ceramic medium is used to adsorb gas molecules and active particles generated by the plasma discharge. This invention generates micro-discharge in a dense microporous medium, which has an extremely high specific surface area. When gas passes through, it is adsorbed onto the surface of the micropores in the medium. Similarly, active substances in the plasma are adsorbed onto the surface of the micropores in the medium. This improves the contact efficiency between short-lived, highly active particles and free radicals in the plasma and the reactants, promotes surface catalytic reactions, and improves the overall efficiency of the device.

The application discloses a tubular culture device, which comprises a sample feeding container and a culture pipeline in communication with the sample feeding container and forming a circulation loop, wherein a circulation power assembly is arranged on the culture pipeline; the circulation power assembly is used for driving the fluid in the sample feeding container to flow in the culture pipeline at a controllable flow rate; and the culture pipeline comprises one or more parallel branch pipelines. The tubular culture device can be widely used for the culture of microorganisms, cells and the like, realizes the control and monitoring of the culture process, provides rich reference data for the scaled production of cells, reduces the cost and reduces the product development risk.