9 results about "Oxygen transport" patented technology

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.

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.

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.

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.

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.

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.

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).

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.

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.