248 results about "Gas exchange" patented technology

The invention provides an NMP (N-Methyl Pyrrolidone) purification process based on an NMP rectification system, the process is completed by matching a tail gas desorption tower, the space in the tower is divided into an adsorption bin and a desorption bin by arranging a middle box body, two groups of adsorption devices capable of alternately entering the two bins are mounted, and automatic switching of the adsorption devices is realized by utilizing a driving mechanism; when the adsorption efficiency of one group of adsorption devices is reduced, the adsorption devices are automatically transferred to the desorption bin for regeneration treatment, meanwhile, the other group of adsorption devices enter the adsorption bin to continue working, and in the desorption process, low-pressure saturated steam and hot nitrogen are adopted for purging, so that residual moisture is effectively removed, and the adsorption activity is recovered; compared with the prior art, the process has the advantages that gas exchange in the adsorption and desorption process is reduced, the sealing performance and the air pressure balance control capability of the system are improved, the process ensures continuous production, meanwhile, the energy consumption and the discharge pressure are remarkably reduced, and the NMP purification efficiency and the product quality are improved.

The invention discloses a compensation method and system for continuously, rapidly and accurately measuring the radon concentration in air, and the method comprises the steps: taking the number of nuclides in a measurement cavity at the initial moment of a current sampling period as an initial value, and obtaining a time-varying function of the number of nuclides in the measurement cavity in combination with a gas exchange and nuclide decay model; determining the theoretical total count of alpha particles in the current measurement period, and establishing a relational expression between the count of the alpha particles and the number of nuclides; based on the relational expression and the actual measurement count, the number of environmental radon atoms is obtained, and the radon concentration is calculated in combination with a radon decay constant; and finally, combining the number of radon atoms at the current sampling point and a model containing gas exchange and nuclide decay to obtain the nuclide number at the end of sampling, taking the nuclide number as the initial state of the next sampling period, switching the sampling points, and repeating the steps to realize continuous, rapid and accurate sampling. According to the method, through loop iteration, the balance waiting time is effectively saved, and continuous, rapid and accurate measurement of the radon concentration in the environment by a single radon measuring instrument is realized.

The invention provides a high ventilation method for maintaining equal carbonic acid through exogenous CO2 gas and a breathing device. Belongs to the technical field of gas exchange. The method comprises the steps that physiological monitoring data of a patient are collected in real time, and meanwhile parameters of a breathing machine are obtained; inputting the collected data into a pre-trained time sequence prediction model; performing data fusion based on the EtCO2 predicted value, the currently actually measured physiological data and the static parameters of the patient to form a comprehensive evaluation result; and through a control algorithm, an incremental adjustment instruction of the exogenous CO2 supplementary flow is obtained through calculation based on the comprehensive evaluation result. The CO2 demand is estimated in real time through a dynamic prediction model, static estimation is replaced, and the control accuracy and the response speed are remarkably improved; through a multi-modal data fusion technology, dynamic and static physiological parameters are comprehensively applied, so that a control strategy can better reflect the individualized physiological status of a patient.

The invention belongs to the technical field of biomedical materials, and particularly relates to a poly-4-methyl-1-pentene (PMP) gas-blood exchange membrane for an extracorporeal membrane oxygenation (ECMO) system, which realizes a long-acting antithrombotic function through a bionic interface construction technology. The invention aims to provide a bionic antithrombotic PMP gas-blood exchange membrane based on zwitter-ion gradient grafting, and through material and process innovation, the following problems existing in a traditional ECMO gas-blood exchange membrane: an antithrombotic coating is easy to fall off, and the long-term effect is insufficient; the risk of blood injury caused by dependence on heparin or anticoagulants; and the surface modification process destroys the membrane pore structure and air permeability.

The utility model discloses a blood extracorporeal circulation device, which belongs to the technical field of blood extracorporeal circulation equipment and comprises an inner tube and an outer tube, the inner tube and the outer tube are integrally nested, one end of the outer tube is connected with an air inlet tube, the air inlet tube is communicated with oxygen inlet equipment, and the other end of the outer tube is connected with an air outlet tube. A temperature changer and a flow speed controller are connected between one end, far away from the air outlet end, of the outer pipe and the oxygen inlet equipment; one end of the inner tube is a liquid inlet end for transporting blood, the other end of a blood inlet of the inner tube is a liquid outlet end, and the liquid outlet end is connected with a temperature sensor, an oxygen saturation sensor, a blood pump and a microembolus filter; the part, in the outer pipe, of the inner pipe is made of a gas exchange membrane material, and the liquid inlet end of the inner pipe is opposite to the gas inlet pipe of the outer pipe. The blood temperature rising process is safer, meanwhile, in the blood temperature rising process, the oxygen saturation index in the blood can be directly adjusted, the blood oxygen value is simple, convenient and controllable on the basis of convenient temperature rising, temperature control and oxygen saturation of in-vitro blood circulation are carried out at the same time, and operation is easy and safe.

A system for cleaning, zeroing, and preventing air pollution in indoor space includes several gas detection devices, a central control monitoring device, and several gas exchange and filtration devices. The gas detection devices detect and output indoor and outdoor air pollution data. The central control monitoring device receives the outdoor and indoor air pollution data to perform an intelligent computation and comparison, locate an air pollution location in the indoor space, and transmit a control command intelligently. Each of the gas exchange and filtration devices is combined with a smart switch for the control command to control the gas exchange and filtration devices to be enabled, so that the air pollution is filtered and exchanged by the gas exchange and filtration devices, thereby allowing the indoor air pollution data detected by the gas detection devices in the indoor space to be a safety detection value.

The application discloses an active closed one-way valve, a gas exchange mechanism, a gas exchange insole and a shoe sole, and relates to the technical field of shoe structure. The active closed one-way valve comprises a valve body, an end plate arranged at the exhaust end of the valve body, and an elastic cap covering the end plate. A convex part is arranged on the outer end surface of the end plate, and air holes are distributed around the convex part. An exhaust hole corresponding to the position of the convex part is arranged on the elastic cap. The elastic cap is pressed against the convex part and blocks the exhaust hole by the convex part. The elastic cap can be deformed outward to move away from the convex part under the pressure of the outward exhaust gas flow of the one-way valve, so as to open the exhaust hole. The application has the advantages of simple structure, easy implementation, low failure rate and better durability. Moreover, the elastic cap is pressed against the convex part and fixed around the convex part. The gas flow in the valve body needs to accumulate to a certain pressure to break the elastic cap and flow out from the exhaust hole. In this way, the gas flow can be accumulated and pressurized in the valve body, so that the finally sprayed gas flow of the one-way valve is more concentrated, and the flow rate is faster.

The invention discloses a trace water vapor removal device and method based on a membrane permeation technology, and relates to the technical field of online total sulfur analysis, the trace water vapor removal device specifically comprises a membrane drying assembly, the membrane drying assembly comprises a through exchange cavity, a top cover and a bottom cover, the through exchange cavity serves as the center, the top cover is fixed to the top of the through exchange cavity through a bolt, and the bottom cover is fixed to the bottom of the through exchange cavity through a bolt; a bottom cover is fixed at the bottom; an intelligent adjustment and efficient dehydration structure is adopted, the humidity of reaction gas is monitored in real time through a humidity sensor, data are fed back to an external controller, and intelligent linkage adjustment of the opening size of the movable ventilation pipe and the power of the circulating pump is achieved; the dynamic regulation and control mechanism can automatically optimize the flow rate of purge gas and the water-gas exchange area according to the actual humidity change, and it is ensured that the efficient and stable dehydration effect can be achieved under different working conditions.

Provided are methods and systems for measuring lung function, such as shunt and deadspace, using pulmonary gas exchange in management and treatment of pulmonary diseases including COVID-19.

The present invention relates to a method and apparatus for exchanging gas between two exchange media using an exchange chamber (1) disposed within the housing of an exchange unit, wherein the exchange chamber (1) is divided into two chamber regions by at least one membrane (2), in which the first side of the membrane (2) is in contact with the first exchange medium in the first chamber region, and the second side of the membrane (2) is in contact with the second gaseous exchange medium in the second chamber region, the first chamber region having a connection for the first exchange medium, the first chamber region being incorporated into a first conduit (3) by this connection, and the first exchange medium being passed through the first chamber region using the first conduit. The second chamber region has a connection for a second gaseous exchange medium, and by this connection the second chamber region is incorporated into the second conduit (4), and the second exchange medium can be guided through the second chamber region using the second conduit, and the gas to be exchanged can be transported across the membrane (2) by diffusion, and the apparatus has a pressure generator (9a), and the pressure generator (9a) can be used to generate a pressure difference of at least 10 mmHg of the second exchange medium relative to the ambient atmospheric pressure in the second chamber region, and at least one membrane (2) is permeable to diffusion with respect to the gas to be exchanged, but impermeable to convection.

The utility model discloses a valve and a charging device. The valve comprises a driving part and a connecting part connected with the driving part. One end, far away from the connecting part, of the driving part is inwards concavely provided with a ventilation cavity extending into the connecting part. A ventilation groove communicating with the ventilation cavity is formed in the side wall of the connecting part, and a first screw joint part is arranged on the side wall of the connecting part. The valve can ensure the air exchange between the interior of the charging device and the exterior of the charging device, and ensures the sealing performance.

The utility model provides a dynamic box detection system for measuring gas exchange between a plant and the atmosphere, and relates to the technical field of detection of gas released or settled by the plant, the system comprises a blank control box and a plant box for accommodating the plant, and the plant box is communicated with a first gas inlet pipe and a first gas outlet pipe; a second air inlet pipe and a second air outlet pipe are communicated in the contrast box; the air pump communicates with the first air inlet pipe and the second air inlet pipe and is used for supplying air with the same concentration to the two box bodies at the same time. The gas analyzer is communicated with the first gas outlet pipe and the second gas outlet pipe, the gas concentration in the contrast box and the plant box is detected through the gas analyzer, meanwhile, the gas inlet flow rate and leaf area data are collected, and the gas release or sedimentation rate between the plant and the atmosphere is calculated through a formula; the system can quickly and effectively reflect the rate of gas exchange between the plant and the atmosphere under the normal stress-free condition, so that the system is mainly used for reflecting the short-term response of the gas flux to the environmental change.

The invention discloses a threaded nylon explosion-proof pressure-relief waterproof breathable connector which comprises a connector shell, a mounting ring is fixedly connected in the connector shell, the mounting ring is slidably connected with a breathable base, the breathable base is bonded with a breathable film, the breathable base is detachably connected with a gland, the breathable base is sleeved with a pressure spring, and the pressure spring is fixedly connected with the connector shell. The end portion of the ventilation base is detachably connected with an end face elastic buckle, the two ends of the compression spring are fixedly connected with the end face elastic buckle and the installation ring respectively, and the connector shell is provided with an extrusion structure. According to the invention, dual channels of normal micro ventilation of the breathable film and mechanical pressure relief driven by the spring are integrated. Under normal pressure difference, gas is exchanged through the gas-permeable membrane to keep pressure balance and prevent water and dust; when the internal pressure rises suddenly, the air pressure can push the ventilation base to compress the spring, so that the spring is separated from the O-shaped sealing ring, a larger pressure relief channel is opened up instantly, the explosion-proof response is sensitive, and the safety guarantee is more comprehensive.

The utility model relates to sewage treatment field especially, it is a kind of single tower low pressure stripping device for sewage treatment, including support frame, shell, gas outlet, sewage inlet, battens and gas outlet component etc., support frame is connected with shell, shell upside is connected with gas outlet, shell upper portion left side is connected with sewage inlet, shell middle part inboard is connected with multiple battens, support frame lower part is equipped with the gas outlet component for treating acidic component in sewage. The utility model discloses through sewage S shape along batten flows to shell lower part, while sewage will promote impeller and cleaning frame rotation to scrape the impurity on batten, so that water vapor moves upward, flows through air inlet hole and contacts sewage to treat sewage, so that it can remove acidic component when sewage flows and treat, promote cleaning frame rotation to scrape the impurity on batten, prevent air inlet hole blockage, enhance gas exchange effect, improve sewage treatment efficiency.

A system (100; 1) for analysing gas concentrations before and after a point of gas exchange (PGE; 3, 23) is disclosed. The system (100; 1) comprises a gas inlet line (101; 11, 33a) for conveying a flow of an input gas mixture towards the point of gas exchange (PGE; 3, 23), a gas outlet line (103; 13, 33b) for conveying a flow of an output gas mixture away from the point of gas exchange (PGE; 3, 23), and a gas analyser (105) that is connected to both the gas inlet line (101; 11, 33a) and the gas outline line (103; 13, 33b) and configured to sequentially receive and analyse gas samples from the gas inlet line (101; 11, 33a) and the gas outlet line (103; 13, 33b) in order to determine a presence of a specific gas in the input gas mixture and the output gas mixture.

To provide a device capable of continuously performing intestinal ventilation.SOLUTION: An intestinal ventilation device for administering oxygenated liquid into an intestine comprises: a propulsion section; a retaining section which retains the oxygenated liquid in a predetermined region of the intestine; an inlet section which supplies the oxygenated liquid into the intestine; an outlet section which discharges the oxygenated liquid from the intestine; a liquid circulation gas exchange section which supplies the oxygenated liquid to the inlet section, performs gas exchange on discharged liquid discharged from the outlet section and circulates the liquid; a propulsion drive section which performs propulsion drive of the propulsion section; and a retaining drive section which drives the retaining section. The propulsion section, the retaining section, the inlet section, and the outlet section constitute an intestinal insertion section inserted into the intestine.SELECTED DRAWING: Figure 1

An oxygen supply is disclosed, which includes a housing that defines the interior having improved gas exchange fluid passages and / or heat exchange fluid passages. [Solution] In some cases, the oxygen supply includes a gas exchange fluid passage for passing gas sequentially from a gas exchange fluid inlet, through one or more layers of gas exchange fibers extending in a first direction, through one or more layers of gas exchange fibers extending in a second direction, and out through a gas exchange fluid outlet. In some cases, the oxygen supply includes a partition dividing the interior between the gas exchange chamber and the gas and heat exchange chamber. In some cases, the housing includes an insulating fluid barrier chamber configured to be filled with a fluid heat exchange fluid from the heat exchange fluid inlet to provide an insulating barrier chamber between the outlet end of the gas exchange fibers and the gas exchange fluid outlet.

The invention relates to a method (30) for detecting a gas leak in a gas line (24) of a laser system (10). In this case, after the laser beam (14) is guided through the gas-filled process chamber (20), the laser beam properties are determined by means of a detector. The gas of the process chamber (20) is replaced at different time points (Pi), the gas being present in the gas line (24) before a time period (Ri) between the time points (Pi), i.e. Within the age of the gas. After the gas replacement, a beam characteristic of the laser beam (14) is detected with a detector and a beam difference (Si) of the beam characteristic is associated with a gas age difference (Gi) to form a data pair (Di). Gas leaks in the gas line (24) can be inferred from changes in the beam difference (Si) with the gas age difference (Gi). In order to quantify gas leaks, the beam difference (Si) can be linearly fitted over the gas age difference (Gi). The calculation and analysis of the data pairs (Di) may be performed using the algorithm (28). Preferably, the time point (Pi) of the gas replacement can be determined automatically by the algorithm (28) by gas pressure analysis. The invention also relates to a laser system (10) for carrying out such a method (30).

The invention relates to the technical field of gas pressure reduction, in particular to a two-stage pressure reducer which comprises a valve body formed by connecting a main body and an aluminum upper cover in a threaded mode, and further comprises a gas source connecting mechanism arranged at a gas inlet in the main body and configured to be connected with an external gas source and filter entered gas; the two-stage pressure reduction mechanism is arranged in the gas source connecting mechanism and the parent body and is used for performing two-stage pressure reduction on the entering gas; the gas outlet mode of the flow meter is an OUT mode, and the flow meter is fixedly installed at the end of the main body through an adapter and is configured to display the flow of output gas; the gas flow channel is arranged in the parent body and is configured to introduce the gas subjected to two-stage pressure reduction into the flow meter and prolong the flow path of the gas in the parent body, so that the gas exchanges heat with the parent body before flowing into the flow meter; according to the gas pressure reducer, the gas flow channel is formed in the parent body, and the problem that gas is frozen when an existing gas pressure reducer works for a long time or is in a low-temperature environment is ingeniously solved.

A liquid-gas exchange device for hazardous drugs includes a syringe, a first connector, a second connector, and a pressure equalization device. During drug dispensing, the collection section collects toxic gases, maintaining pressure balance between the internal and external atmospheric pressures of the drug bottle or bag. This also prevents small amounts of hazardous drugs inside the bottle or bag from passing through the second connector in gaseous form or via atomization. During drug retrieval, the collection section collects and supplies clean air, maintaining pressure balance between the internal and external atmospheric pressures of the drug bottle or bag, and facilitating the removal of the hazardous drugs. The hazardous drugs are blocked by a hydrophobic and breathable membrane, preventing them from entering the collection section.

A system to simulate breathing by a human occupant of an enclosed structure, such as vehicle, for testing, validating and verifying operation of CO2-based human presence detection systems, having a doll with dimensions corresponding to a specific human age, size, or both; a compressible breather bulb having an interior gas volume corresponding to a single breath gas volume corresponding to the specific human; an exhale gas reservoir which is collapsible at ambient atmospheric pressure; valves to control the movement of the exhale gas; wherein the reservoir collapses as gas is exhaled to simulate exchanging of gas during inhales and exhales.

The utility model discloses an automatic ventilation device for a sewage well, and provides a solution aiming at the problems of low manual ventilation efficiency and high energy consumption of the conventional sewage well. The device is mainly composed of a jacking pipe, an air bag and a gas exchange structure, the jacking pipe is vertically and slidably arranged below the well lid, the bottom of the jacking pipe is connected with the air bag, and the gas exchange structure rotating during jacking is arranged on the well lid. The structure comprises a containing groove and a ventilation plate rotating horizontally, and the top pipe is connected with the ventilation plate through a transmission structure composed of a gear and a rack. The jacking pipe is divided into a metal section and a plastic section, a guide block is arranged on the well wall to assist the jacking pipe in sliding, and a limiting piece is arranged to control the moving range. The air bag drives the jacking pipe to reciprocate through the change of water flow in the sewage pipeline, the ventilation plate is driven to rotate through the transmission structure, and continuous ventilation in the sewage well is achieved. The device does not need external power, can efficiently complete ventilation by means of natural change of water flow, effectively reduces energy consumption, solves the problem of ventilation of scattered sewage wells, and guarantees operation safety and surrounding environment health.

The application provides a grey water PH regulating device, relates to the technical field of PH regulation, and comprises an adjusting tank and a filtering device, a water inlet pipe is fixedly connected to one side of the adjusting tank, a water outlet is fixedly connected to the lower end of the one side of the adjusting tank, a filtering device is arranged on the inner wall of the adjusting tank and corresponds to the position of the water inlet pipe, the filtering device comprises a filtering pipe, the two ends of the filtering pipe are slidably connected with the inner wall of the adjusting tank, mounting plates are fixedly connected to the two ends of the filtering pipe, sliding blocks are fixedly connected to the two sides of the mounting plates, sliding grooves are formed in the inner wall of the adjusting tank and correspond to the positions of the sliding blocks, and the surfaces of the sliding blocks are slidably connected with the inner walls of the sliding grooves. The filtering device, the stirring device and the gas exchange device are designed, so that the problem that the traditional filtering device is inconvenient to disassemble and clean, is easy to cause the mesh holes to be blocked by sundries, affects the water inflow, and has low PH regulation precision is solved.

The utility model discloses an electronic atomization device, an atomizer, an atomization assembly and an atomization core of the atomization assembly. The atomizing core is characterized in that a first sleeve is provided with a first liquid inlet; the second sleeve is arranged in the first sleeve in a sleeved mode and is in interference fit with the first sleeve, a second liquid inlet is formed in the second sleeve, a ventilation groove is further formed in the second sleeve, and the first liquid inlet and the second liquid inlet are overlapped; the liquid suction part is contained in the second sleeve and covers the second liquid inlet and part of the ventilation groove, and the air inlet end of the ventilation groove is exposed in the second sleeve and is not covered by the liquid suction part; the heating piece is arranged on the side, away from the second sleeve, of the liquid absorption piece. The inner wall face of the first sleeve and the outer side face of the liquid suction piece cover the inner side and the outer side of the ventilation groove correspondingly and are matched with the ventilation groove to form a ventilation channel. By means of the mode, the scheme that the air exchange channel is formed in the atomizing core is simple in structure and convenient to machine, and the risk that the air exchange effect is poor due to the fact that the atomizing core is filled with the liquid aerosol matrix can be effectively reduced.

A ventilated puck is provided. The ventilated puck includes an upper box, a spider plate, and a lower box. In particular, the upper box is fitted on the lower box to form a hollow structure, in which the spider plate is disposed. A ventilation channel for communicating the hollow structure with an external environment is provided in the upper box, or in the lower box or at interface between the upper box and the lower box. The ventilated puck of the present application may ensure gas exchange during the gas protection process conducted on semiconductor wafers, thereby preventing deformation of the puck due to pressure differences. Optionally, the interior of the ventilation channel is provided with a dustproof labyrinth structure, thereby preventing the entry of dust.

The magnetorheological fluid adjustable shock absorber comprises a shock absorber cylinder body, the shock absorber cylinder body is made of a tubular material with one end open, the shock absorber cylinder body comprises an upper end and a lower end, a lower hanging ring is arranged at the lower end of the shock absorber cylinder body, a detachable sealing cover assembly is arranged at the upper end of the shock absorber cylinder body, and a containing cavity is formed in the shock absorber cylinder body; a floating piston, a magnetorheological piston and a guider are sequentially arranged in the accommodating cavity from bottom to top; the shock absorber cylinder body is divided into a gas storage cavity and a liquid storage cavity by the floating piston, the gas storage cavity is filled with compressed gas, and the liquid storage cavity is filled with magnetorheological fluid; an air interchanger is arranged on the outer wall of the lower end of the shock absorber cylinder body and communicates with the air storage cavity, and the problems that an existing magneto-rheological shock absorber is inconvenient to disassemble during maintenance, time and labor are wasted in the disassembling process, air pressure adjustment is lacked, and internal devices are prone to being damaged are solved.

The utility model discloses a die assembly for protecting a nitrogen spring, and relates to the technical field of forging equipment. The device comprises a base, a protective shell is fixedly connected to the top of the base, and a concave mold is arranged at the top in the protective shell; a protection assembly is arranged in an inner cavity of the protection shell and comprises a water tank. Through the electromagnetic valve arranged on the surface of the circulating pipe on one side of the water tank, circulating extraction of cooling water in the cooler in the water tank can be achieved, so that the cooling water flows around the nitrogen shell, the effective cooling effect is achieved, thermal expansion of nitrogen in the nitrogen shell due to too high temperature can be avoided, and the service life of the nitrogen shell is prolonged. And meanwhile, through the adjusting valve arranged on the surface of the ventilation pipe, when nitrogen in the nitrogen shell expands, redundant nitrogen can be exhausted, so that the pressure in the nitrogen shell is reduced, and the reliability and stability of the nitrogen shell in a high-temperature working environment are ensured.

The utility model relates to the technical field of environment-friendly access control devices, and discloses an environment-friendly access control device for environment detection, which comprises two bases, a first connecting pipe and a second connecting pipe, the upper ends of the two bases are fixedly connected with environment-friendly access control main bodies, one sides of the upper ends of the two environment-friendly access control main bodies are fixedly connected with arc-shaped pipes, and the arc-shaped pipes are fixedly connected with the first connecting pipe and the second connecting pipe. The upper end of the end face of one side of each arc-shaped pipe is fixedly connected with a connecting shell, and a gas sensor, a temperature and humidity sensor and a particulate matter sensor are sequentially arranged in the two connecting shells from top to bottom. When the device is used, a structure matched with a door frame of a laboratory, a factory area or an environment-friendly monitoring station is constructed, and the fan is utilized to guide air to pass through a specific pipeline system, so that gas blown out of the air outlet is combined with gas received by the air inlet, and all gas passing through the door frame is comprehensively detected; indoor and outdoor gas exchange is covered, comprehensive environment data is obtained, and detection comprehensiveness is ensured.

The utility model discloses an electrically-driven multifunctional cardiopulmonary model, relates to the field of teaching models, and particularly aims to solve the problems that in the prior art, in the teaching process of an existing teaching double-lung model, only arteries and other structures and the distribution condition of lung segments can be determined, and the teaching efficiency is low. In order to solve the problems that in the prior art, in the prior art, the whole process of lung gas exchange, lung circulation and alveolar change cannot be further dynamically simulated, and the working process of the heart and the lung cannot be vividly restored, the utility model provides an electrically-driven multifunctional heart and lung model which is scientific and vivid, meets more teaching contents, enables a solid model to be dynamic, enables the lung physiological process to be visualized, and improves the teaching efficiency. The main physiological functions of the lung are simulated through various lights, the basic anatomical structure and the dynamic physiological process are combined, the lung anatomical structure and the physiological functions are comprehensively displayed, the discipline barrier is broken, learning and understanding of students are facilitated, and the higher teaching requirements at present are met.