Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

27 results about "Oxygen transport" patented technology

Oxygen transport. the process by which oxygen is absorbed by red blood cell hemoglobin in the lungs and carried to the peripheral tissues. Hemoglobin combines with oxygen when present at a high concentration, such as in the lungs, and releases oxygen when the concentration is low, such as in the peripheral tissues.

Functional solid beverage for resisting altitude sickness and preparation method thereof

The present invention discloses a functional solid beverage for resisting altitude sickness and a preparation method thereof. The raw materials of the solid beverage include yak spleen small molecule polypeptide, yak milk small molecule polypeptide, taurine, phosphatidylserine, crystalline fructose and flaxseed; wherein the amino acid sequence of the yak spleen small molecule polypeptide is shown as SEQ ID NO.1, and the amino acid sequence of the yak milk small molecule polypeptide is shown as SEQ ID NO.2. The functional solid beverage of the present invention promotes oxygen carrying and improves the oxygen transport efficiency of red blood cells by reducing the deformation and adhesion of red blood cells caused by plateau exposure, thereby effectively preventing and alleviating altitude sickness such as headache, nausea, fatigue, etc. The product is portable and easy to use, the ingredients are safe and harmless, and the effect has been verified to be significant through experiments. The functional solid beverage of the present invention provides scientific and effective health protection for people entering high-altitude areas, and has broad market prospects and application value.
Owner:SHANGHAI ASTON MEDICAL TECH CO LTD

Functional feed additive for relieving hypoxia stress of dairy cows in perinatal period

The invention discloses a functional feed additive for relieving hypoxia stress of dairy cows in a perinatal period, and belongs to the technical field of functional feed additives. The functional feed additive is composed of amino acid chelated iron, a nutrition carrier and water, the iron content is larger than or equal to 9%, and the arginine content is larger than or equal to 10%. The recommended daily supplement dosage is 6.6 g / head, the feed is fed in three times after being mixed with basic ration, and the service cycle is from 21 days before delivery to 21 days after delivery. The additive can significantly improve the hemoglobin concentration and blood oxygen transport capacity of the perinatal dairy cow, relieve hypoxia stress, improve the lactation performance, optimize the metabolic state and enhance the anti-oxidation and anti-inflammatory capacity, is clear in action mechanism, safe and efficient, and is suitable for healthy breeding and production performance improvement of the perinatal dairy cow.
Owner:ZHEJIANG UNIV

Breathing system of hydrogen-oxygen generator with adjustable concentration

A breathing system of a concentration-adjustable oxyhydrogen generator is used for changing the concentration of gas breathed by an assisted person and comprises an oxyhydrogen supply assist device (13), pure water electrolysis oxyhydrogen manufacturing machines (1 and 1 '), a moist bottle (3) and a hydrogen concentration detector (14). Wherein the pure water electrolysis oxyhydrogen manufacturing machine (1, 1 ') comprises ion exchange membranes (10, 10'), and the two sides of the ion exchange membranes (10, 10 ') are coated with oxidation catalyst layers (100, 100') and reduction catalyst layers (102, 102 ') respectively; a pair of anode metal layers (110, 110 ') and cathode metal layers (112, 112') having pores (114); anodes (120, 120 ') conductively connected to the anode metal layers (110, 110') and cathodes (122, 122 ') conductively connected to the cathode metal layers (112, 112'); the sealed containing body (2, 2 ') of the structure is used for containing the pure water electrolysis hydrogen and oxygen manufacturing machine (1, 1'), and the sealed containing body (2, 2 ') is provided with a water injection hole (20), a hydrogen hole (22, 22') and an oxygen hole (24, 24 '). The moist bottle (3) comprises an oxygen transmission pipe (32), a hydrogen transmission pipe (30), a mixed moist output pipe (34) and a bottle body (36); the mixed moist output pipe (34) is connected to the hydrogen and oxygen supply assistor (13); and one end of the oxygen transmission pipe (32) and one end of the hydrogen transmission pipe (30) are respectively inserted into clean water.
Owner:NORTH VISION TECH

Internal compressed air separation device and pressure control method

The invention relates to an internal compressed air separation device and a pressure control method, and is applied to the technical field of air separation. The device comprises a main condensation evaporator used for generating liquid oxygen; the heat exchanger is connected with the main condensation evaporator through a liquid oxygen transmission pipeline and is used for exchanging heat with liquid oxygen to generate gaseous oxygen; the silencer is connected with the heat exchanger through an oxygen transmission pipeline and connected with the external environment, and the silencer is used for conducting noise reduction on the oxygen in the oxygen transmission pipeline and discharging the oxygen to the external environment; a pressure measuring point is arranged on the oxygen transmission pipeline; and the first backflow pipeline is arranged between the liquid oxygen transmission pipeline and the main condensation evaporator, an adjusting valve is arranged on the first backflow pipeline, and the adjusting valve is interlocked with the pressure measuring point. According to the invention, the overpressure risk can be reduced, and the safety is improved.
Owner:XINJIANG ZHUNENG CHEMICAL CO LTD +1

Portable pulse oxygen generator with humidification bottle

The utility model discloses a portable pulse oxygen generator with a humidifying bottle. The portable pulse oxygen generator comprises an oxygen generator main body and the humidifying bottle, a strip-shaped groove is formed in the oxygen generator main body; the humidifying bottle is embedded into the strip-shaped groove and is integrated with the oxygen generator main body; the humidification bottle comprises a humidification bottle upper cover, a humidification bottle body, an air inlet assembly, an air conveying assembly and an air outlet assembly. A water storage cavity and an oxygen storage cavity which are separated from each other are formed after the humidification bottle upper cover and the humidification bottle main body are buckled in a sealing manner; the air inlet assembly is used for guiding oxygen output by the oxygen generator into water in the water storage cavity for humidification. The gas conveying assembly is used for conveying the humidified oxygen into the oxygen storage cavity; the air outlet assembly is used for guiding out oxygen in the oxygen storage cavity for use. The humidifying bottle is embedded into the strip-shaped groove to be integrally designed, so that the portability of the oxygen generator is improved, water in the water bottle cannot directly flow into the trachea no matter the humidifying bottle is in a static mode or a moving mode, the humidifying time is longer, and the humidifying noise is low.
Owner:SHENZHEN PANGO ELECTRONIC CO LTD

A yak spleen small molecule polypeptide, a preparation method and application thereof

The application discloses yak spleen small molecule polypeptide, and a preparation method and application thereof. An amino acid sequence of the polypeptide is shown as SEQ ID NO. 1. The yak spleen small molecule polypeptide can effectively reduce red blood cell deformation caused by highland exposure, significantly reduce the stickiness of red blood cells, and directly cope with hypoxia symptoms caused by red blood cell deformation and stickiness. The yak spleen small molecule polypeptide has significant beneficial effects in reducing red blood cell deformation, reducing red blood cell stickiness and improving oxygen transport efficiency, and has important clinical values and social significance for improving physiological functions of human bodies in highlands or other hypoxic environments.
Owner:DEZHOU LANLI BIOTECHNOLOGY CO LTD

A convenient air flow of oxygen transport box of rice field eel

The utility model provides a kind of eel oxygenation transport case convenient for air circulation, including box, body inside upper end is fastened with second support frame, net cage is connected on second support frame, the top of net cage is fastened with mounting frame, and mounting frame is located on the top of second support frame;First support frame fastened with box is equipped above second support frame, and the sidewall upper end of box is equipped with multiple air holes, air hole is located between second support frame, first support frame, and annular support seat is fastened in the bottom of box, the height of annular support seat is greater than the distance between first support frame and the top of box;Multiple connecting pipes are fastened in the sidewall lower end of box, and the end of connecting pipe located in the box is fastened with spray head.The utility model is provided with oxygenation pump, which can effectively oxygenate the breeding water in the box, the air hole can improve the ventilation of the box, ensure the air circulation, and improve the survival rate of eel fry.
Owner:HUBEI EEL IND GROUP CO LTD

Nano-fiber extracorporeal membrane lung oxygenation membrane based on bacterial cellulose and preparation method of nano-fiber extracorporeal membrane lung oxygenation membrane

The invention relates to a bacterial cellulose-based nanofiber in-vitro membrane lung oxygenation membrane and a preparation method thereof. The bacterial cellulose-based nanofiber in-vitro membrane lung oxygenation membrane is prepared by a hydrophobic modification method or a pore size increasing and mechanical enhancing method. The nanofiber extracorporeal membrane lung oxygenation membrane obtained by the invention has good mechanical properties, blood compatibility and oxygen transmission performance, and can strive for treatment time for severe lung failure patients; the operation method is simple, conditions are mild, and the method has great application potential in the field of respiratory support.
Owner:DONGHUA UNIV

Rcom protein-based carbon monoxide scavengers and preparations for treating carbon monoxide poisoning

PendingJP2025161893AAntibody mimetics/scaffoldsMuscular disorderCarbon monoxide poisonCellular respiration
To provide RcoM protein-based carbon monoxide scavengers and preparations for treating carbon monoxide poisoning.SOLUTION: Disclosed herein is a method for rapid elimination of carbon monoxide (CO) from CO-bound hemoglobin, myoglobin and cytochrome C oxidase in a subject with CO poisoning. The disclosed therapeutic method comprises use of a rationally designed and modified regulatory factor of CO metabolism (RcoM) protein and pharmaceutical compositions thereof, which scavenge carbon monoxide from poisoned tissue. The recombinant RcoM composition is infused into blood to rapidly sequester carbon monoxide and limit the toxic effects of carbon monoxide on cellular respiration, oxygen transport and oxygen utilization.SELECTED DRAWING: None
Owner:UNIV OF PITTSBURGH OF THE COMMONWEALTH SYST OF HIGHER EDUCATION

Portable lung health care oxygen inhaler with filtering function

The invention discloses a portable lung health care oxygen inhaler with a filtering function, and belongs to the field of medical instruments. Comprising a circular cavity, a filtering cavity is formed in the upper surface of the circular cavity, a filtering material is fixedly connected to the interior of the filtering cavity, a rotating groove is formed in the right side of the upper surface of the circular cavity, a rotating column is rotationally connected to the interior of the rotating groove, and a sealing cover is fixedly connected to the upper surface of the rotating column; by means of the multi-sealing design, the safety and effectiveness of the oxygen uptake process are greatly improved. The sealing soft ring in the oxygen bottle bayonet is made of an elastic material and can be tightly attached to the oxygen bottle when the oxygen bottle is inserted, so that a first leakage-proof barrier is formed. After the sealing cover is closed through rotation, the buckle structure driven by the spring can generate continuous and stable downward pressure, and seamless connection between the sealing cover and the main body part is ensured. On the oxygen transmission path, the gas leakage problem is effectively avoided through the integrated design of the gas groove and the filter cavity.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Ecological protection comprehensive breeding device

The utility model provides an ecological protection comprehensive breeding device which comprises an oxygen conveying main frame and a supporting frame arranged in the middle of the oxygen conveying main frame, a power supply mechanism is arranged on the supporting frame, a plurality of breeding modules are arranged between the oxygen conveying main frame, each breeding module is communicated with the power supply mechanism through the oxygen conveying main frame, and the breeding modules are connected with the power supply mechanism through the oxygen conveying main frame. The breeding module comprises a breeding frame detachably connected with the oxygen conveying main frame, a supporting ring arranged in the middle of the breeding frame, a seedling raising bowl detachably connected to the supporting ring, and a self-sensing oxygenation mechanism fixed to the bottom of the supporting ring and extending into the breeding frame. An opening is formed in the bottom of the seedling raising bowl and communicated with the interior of the breeding frame. According to the utility model, effects in multiple aspects are integrated, and a good growth environment is provided for breeding of fish populations.
Owner:YANGTZE RIVER YICHANG WATERWAY ENG BUREAU

Oxygen transport reactors for co-generating ammonia and power

A system for co-generating ammonia and power is described. The system includes oxygen transport reactors having an ion transport membrane (ITM) that separates a feed side and a permeate side. The feed side includes a feed inlet and a feed outlet, and the permeate side includes a permeate inlet and a permeate outlet. A first feed inlet receives water vapor to be converted into hydrogen and first oxygen, and a second feed inlet receives air to be split into nitrogen and second oxygen. The ITM selectively allows permeation of the first oxygen and the second oxygen to respective permeate side to support oxy-combustion process. A first feed outlet discharges hydrogen and a second feed outlet discharges nitrogen, where the hydrogen and the nitrogen are combined in a catalytic converter to form ammonia. Combustion gases from the oxygen transport reactors are used to run a gas turbine to extract power.
Owner:KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS +1

Extracorporeal oxygenation device

A blood oxygenation device includes an oxygen transport liquid for delivering oxygen, a blood distributor for diverting a single stream of blood into a plurality of blood streams, an oxygen transport liquid distributor for diverting a single stream of said oxygen transport liquid into a second plurality of oxygen transport liquid streams, a third plurality of blood droplet generators for generating blood droplets within said oxygen transport liquid, a fourth plurality of blood oxygenation chambers wherein oxygen diffuses from said oxygen transport liquid into blood, and a blood aggregator for combining blood from the fourth plurality of said blood oxygen transport liquids.
Owner:BOUNDLESS SCIENCE INC

Enhancer of endurance and improver of quality of sleep

To provide a new enhancer of endurance, and to provide a new improver of quality of sleep.SOLUTION: A composition contains a material for enhancing energy production efficiency, and a material for enhancing an oxygen transport capacity. The composition containing a material for enhancing energy production efficiency is used by combining with a material for enhancing an oxygen transport capacity. The composition containing a material for enhancing an oxygen transport capacity is used by combining with a material for enhancing energy production efficiency.SELECTED DRAWING: None
Owner:EZAKI GLICO CO LTD

Method for constructing artificial red blood cells based on enucleated mesenchymal stem cells and application of artificial red blood cells

The invention relates to the technical field of biology, in particular to a method for constructing novel artificial erythrocytes based on enucleated mesenchymal stem cells. A novel artificial red blood cell construction method is to be established, hemoglobin alpha and beta subunits are subjected to fusion expression, bone marrow mesenchymal stem cells are taken as a carrier, a stably transfected cell strain capable of stably expressing hemoglobin tetramer is constructed in a lentivirus infection mode, and the stable transfected cell strain has oxygen carrying and oxygen releasing functions. And removing the cell nucleus of the stably transfected cell strain by adopting a centrifugal enucleation method to obtain the artificial red blood cell which is similar to the mature red blood cell in size and has an oxygen transportation function. The artificial red blood cells constructed by the method can be used as a blood substitute to replace red blood cells in blood in a short time to play a role in conveying oxygen under the emergency conditions of insufficient blood reserves or massive hemorrhage and the like at present, so that ischemic symptoms and complications of patients are relieved, and precious rescue time and extra blood source waiting time are won for the patients.
Owner:SHANTOU UNIV

Mask tube (F40)

ActiveCN309737109SNormal oxygen supplyMechanical engineering
1. The name of the design product: mask tube (F40). 2. The use of the design product: for oxygen transmission, connecting oxygen source (oxygen cylinder, centralized oxygen supply system, etc.) and oxygen mask, maintaining pipeline unobstructed, avoiding oxygen transmission obstruction and leakage, and ensuring normal oxygen supply. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:李健

Extracorporeal oxygenation device

A blood oxygenation device includes an oxygen transport liquid for delivering oxygen, a blood distributor for diverting a single stream of blood into a plurality of blood streams, an oxygen transport liquid distributor for diverting a single stream of said oxygen transport liquid into a second plurality of oxygen transport liquid streams, a third plurality of blood droplet generators for generating blood droplets within said oxygen transport liquid, a fourth plurality of blood oxygenation chambers wherein oxygen diffuses from said oxygen transport liquid into blood, and a blood aggregator for combining blood from the fourth plurality of said blood oxygen transport liquids.
Owner:BOUNDLESS SCIENCE INC +5

Industrial wastewater recycling equipment

The utility model relates to the field of wastewater treatment, and particularly discloses industrial wastewater recycling equipment which comprises a bottom plate, a treatment cylinder and a filter box are arranged above the bottom plate, a plurality of supporting legs are fixedly connected to the lower end face of the treatment cylinder, and a mounting plate is fixedly connected to the outer walls of the supporting legs. An aerator is mounted on the upper end face of the mounting plate, an air pipe penetrates through and is rotatably connected to the bottom end of the interior of the treatment cylinder, the upper end face of the air pipe communicates with a rotating disc internally provided with an air cavity, a plurality of evenly-distributed air holes are formed in the upper end face of the rotating disc, and an air outlet of the aerator is rotatably connected with the air pipe through a rotating joint. Through the linkage design of the rotating disc and the stirring plate, oxygen is uniformly diffused in the form of tiny bubbles, the gas-liquid contact area is greatly increased, the oxygen transmission efficiency is enhanced, the bubbles are further broken under the mechanical shearing action of the stirring assembly, the bubble coalescence problem of a traditional aeration device is avoided, the reaction is more sufficient, and the device is suitable for high-concentration organic wastewater treatment.
Owner:JIANGSU ZHENGLAN CLEAN TECHNOLOGY CO LTD

Ultralow-oxygen combustion adjusting system based on oxygen feedback

The invention discloses an ultralow-oxygen combustion adjusting system based on oxygen feedback, and relates to the technical field of combustion adjustment. Comprising a mixing box, an oxygen transmission box is arranged on the mixing box, a transmission pump is arranged at the bottom of the oxygen transmission box and communicated with the mixing box, and a control system is arranged on the mixing box and used for adjusting and controlling; a detection mechanism is arranged on the mixing box, the detection mechanism comprises a butt joint seat installed on the mixing box in a butt joint mode, a detector is arranged in the butt joint seat, an air inlet pipe is arranged at the end of the detector, oxygen enters the detector from the air inlet pipe so as to detect the oxygen content, and a filter cylinder is arranged at the end of the air inlet pipe in a sleeving mode and used for filtering impurities; a maintenance and inspection mechanism is arranged on the mixing box and is used for maintaining and dismounting the filter cartridge; the filtering part of the oxygen sensor air inlet pipe can be conveniently maintained, and tedious manual operation is omitted.
Owner:中船九江锅炉有限公司

Drug delivery system of photoactive conjugated molecules as well as preparation method and application of drug delivery system

The invention discloses a drug delivery system of photoactive conjugated molecules as well as a preparation method and application of the drug delivery system, and relates to the technical field of optical functional composite materials and biological medicines. The drug delivery system takes red blood cells as a carrier, and photoactive conjugated molecules and anti-tumor drugs are loaded in cells of the red blood cells. The preparation method provided by the invention is simple and easy to implement, effectively integrates the photosensitive performance of conjugated molecules and the oxygen carrier function of red blood cells, and has good biocompatibility and stability. After illumination, the conjugated molecules can effectively generate active oxygen in a tumor hypoxic microenvironment by virtue of the oxygen transport capacity of red blood cells, and meanwhile, the generated active oxygen can destroy the red blood cells, so that on-demand release of a loaded drug is realized, and multifunctional integration of phototherapy effect enhancement, on-demand drug release and imaging is achieved; the synergistic anti-tumor effect of photodynamic therapy and chemotherapy is realized. Therefore, the method has good practical value in the field of biomedicine.
Owner:UNIV OF SCI & TECH BEIJING

Well abandonment

A device for removing part of a liner or casing of a well or pile. The device includes a device body, which is arranged around a centreline of the device body and one or more hollow conduits including oxidizable material at least at a distal end. The hollow conduits are arranged for having oxygen transported therethrough from a proximal end to the distal end. The device further including a supply of oxygen arranged to supply oxygen to proximal ends of the one or more hollow conduits and a feeding module connected to the device body and the one or more hollow conduits. The feeding module arranged for feeding the one or more hollow conduits with their distal end in a direction at least partially away from the centreline of the device body.
Owner:CALLIDUS CAPITAL BV

Breathing machine system

The invention relates to a respirator system. The breathing machine system comprises an air inlet cavity, an oxygen inlet cavity, a fan and an air outlet cavity, and an oxygen transfer-in hole is formed in an outer cavity of the fan; the air inlet cavity is used for transmitting external air into the fan; the oxygen inlet cavity is used for transmitting oxygen into the fan through the oxygen transfer-in hole; and the fan is used for mixing outside air and oxygen in the fan to obtain mixed gas and transmitting the mixed gas to the air outlet cavity. By the adoption of the method, oxygen can be conveyed to the fan through the oxygen transfer-in hole and stirred and mixed with external air in the fan, and compared with an existing mode that oxygen is directly conveyed to the air outlet cavity through an oxygen inlet machine to be mixed, oxygen and air are stirred and mixed in the fan firstly, then flow mixing is conducted through the air outlet cavity, and the oxygen-air mixing efficiency is improved. Through two times of mixing, the oxygen-air mixing efficiency is greatly improved, the working efficiency of the breathing machine is improved, and then the use experience of a user is improved.
Owner:SHENZHEN SUNNYGRAND HEALTHCARE TECH CO LTD

Hemoglobin-based oxygen carrier and preparation method therefor

The present invention relates to a hemoglobin-based oxygen carrier comprising a complex formed by chemically binding hemoglobin, PEG, and albumin, and a preparation method therefor. Furthermore, the present invention relates to an artificial blood composition comprising the hemoglobin-based oxygen carrier as an active ingredient. The hemoglobin-based oxygen carrier according to the present invention overcomes issues of low oxygen saturation and CO binding, and exhibits excellent biocompatibility and stability, thereby demonstrating oxygen transport capacity and oxidative stability comparable to or superior to those of natural blood.
Owner:PHARMICELL

Electric thruster with thermionic cathode in oxygen-rich environment

Electric propulsion systems, including electrostatic ion thrusters, for operation in oxygen containing environments, such as very low Earth orbit, may include an oxygen transport membrane, a cathode, and a thruster. The oxygen transport membrane is used to separate oxygen from other constituents in a feed gas resulting in an oxygen rich gas (or permeate) and an oxygen depleted gas (or retentate). The oxygen depleted gas is routed to the cathode. The oxygen rich feed gas is routed to the thruster, such as a Hall Effect Thruster (HET).
Owner:NORTHROP GRUMMAN SYSTEMS CORP

Needle valve and oxygen supply system

An oxygen supply system includes an oxygen generating pipeline, which is used to transmit oxygen from an oxygen source to the oxygen generating pipeline; a needle valve flow control mechanism, which includes a needle valve and a needle valve controller, wherein the air inlet end of the needle valve is connected to the oxygen generating pipeline, and the air outlet end is connected to the oxygen transmission pipeline; the needle valve controller is connected to the motor electrical signal to control the opening and closing of the needle valve to control the output oxygen flow; the oxygen transmission pipeline, the air inlet end is connected to the air outlet end of the needle valve, and the other end is output; an ultrasonic tube detection mechanism is arranged in the oxygen transmission pipeline, which is used to detect the oxygen flow and oxygen concentration in the oxygen transmission pipeline. The oxygen flow transmitted from the oxygen generating pipeline to the oxygen transmission pipeline is accurately controlled, and the oxygen flow data in the oxygen transmission pipeline is detected, and the data is dynamically collected. The needle valve flow adjustment data is adjusted according to the real-time flow data to adjust the opening and closing of the needle valve to meet the set flow, so as to avoid the user from not being able to obtain sufficient oxygen and the harm caused by excessive oxygen.
Owner:GUANGZHOU CYBERWARE TECH CO LTD

Well abandonment

A device for removing part of a liner or casing of a well or pile. The device includes a device body, which is arranged around a centreline of the device body and one or more hollow conduits comprising oxidizable material at least at a distal end. The one or more hollow conduits are arranged for having oxygen transported therethrough from a proximal end to the distal end. The device further including a supply of oxygen arranged to supply oxygen to proximal ends of the one or more hollow conduits and a feeding module connected to the device body and the one or more hollow conduits. The feeding module arranged for feeding the one or more hollow conduits with their distal end in a direction at least partially away from the centreline of the device body.
Owner:CALLIDUS CAPITAL BV

Microbial mineralization induction regulation method, device, equipment and medium

The present application relates to the technical field of bioinformatics, and discloses a microorganism mineralization induction regulation method, device, equipment and medium. The method comprises the following steps: acquiring morphological parameters of target microorganisms, and defining a biofilm geometric domain; determining the probability distribution of cell-capsule structure units in the biofilm geometric domain based on the geometric domain and in combination with a random probability distribution function, and further determining a compaction density factor and establishing a series resistance model of oxygen transmission; based on the biofilm geometric domain and the series resistance model, solving control equations containing diffusion and reaction kinetics to determine the capsule phase oxygen diffusion parameters in the capsule phase. Based on the oxygen diffusion parameters and the compaction density factor, an effectiveness factor is determined, the oxygen supply state of the target microorganisms is evaluated through the effectiveness factor, the MICP grouting process parameters are feedback regulated according to the oxygen supply state, and the regulation effect of the microorganism-induced calcium carbonate precipitation is improved by quantifying the degree of oxygen mass transfer limitation.
Owner:LONGYAN UNIV