70 results about "Oxygen absorption" patented technology

The utility model provides hydrogen-rich water production equipment which comprises a purification module, a water storage module, a water supply module and a water supply module, wherein a water inlet of the purification module is used for communicating with a water supply device; a water inlet of the hydrogen-rich module is communicated with a water outlet of the purification module; a water inlet of the hydrogen mixing module is communicated with a water outlet of the purification module, and a gas inlet of the hydrogen mixing module is communicated with a hydrogen outlet of the hydrogen-rich module; the control device is communicated with the purification module, the hydrogen enrichment module and the hydrogen mixing module; the water boiling device is used for being communicated with the water outlet of the hydrogen mixing module under the control of the control device, and the water boiling device is used for heating the hydrogen-rich water output by the hydrogen mixing module; the hydrogen and oxygen absorption device is provided with a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port is used for being communicated with the hydrogen outlet of the hydrogen enrichment module under the control of the control device, and the oxygen absorption port is used for being communicated with the oxygen outlet of the hydrogen enrichment module under the control of the control device. The hydrogen-rich water supply function, the hot water supply function, the hydrogen absorption function and the oxygen absorption function are integrated.

The utility model provides a bamboo joint type oxygen inhalation inner core assembly and a fracturing pipe, relates to the technical field of expansion fracturing, and comprises an inner core, the inner core comprises an infusion tube, liquid outlets are arranged in the circumferential direction of the infusion tube, a first quick connector with a central through hole is arranged at the lower end of the infusion tube, a medium layer is arranged outside the infusion tube, and a second quick connector with a central through hole is arranged outside the medium layer. The dielectric layer is used for absorbing liquid oxygen in the infusion tube; the at least one electronic excitation unit comprises an ignition head and an excitation cartridge bag, the excitation cartridge bag is arranged outside the dielectric layer, and the ignition head is used for igniting the excitation cartridge bag; the inner cores are connected end to end through first quick connectors. The oxygen inhalation inner core assembly is formed by sequentially connecting the multiple inner cores end to end, so that the oxygen inhalation inner core assembly can be flexibly adjusted and assembled in the length direction and the radial direction according to the length and the diameter of the fracturing pipe.

The present application provides an oxygen-absorbing film (1) suitable as a packaging material for inhibiting oxidation, excellent in non-adsorption of aroma components, and excellent in tearability, according to at least sequentially laminating, from the outer layer side, a surface base material layer (2) having oxygen barrier properties, an oxygen-absorbing resin layer (3), and an inner face base material layer (4) including a stretched PET base material and capable of heat sealing.

A sealing film having an oxygen absorption effect, a preparation method therefor, a use thereof, and a package. The sealing film (10) comprises a film body (12) and a functional coating (14), the functional coating containing a noble metal capable of catalyzing a hydrogen-oxygen reaction, and the functional coating having at least a region satisfying E=c×h, E≥150, h≥2, and c≥50, h and c being a thickness value of the region and a concentration value of the noble metal, respectively. The functional coating contains a noble metal capable of catalyzing a hydrogen-oxygen reaction, which facilitates reduction of oxygen content. The coating is also capable of curing generated water, and the generated water can open a gas migration channel in the functional coating, thus further accelerating the removal of oxygen. By embodying the noble metal in the form of a coating, the risk of migration and falling off of the noble metal during use or transportation can also be reduced or avoided.

1. Name of the design product: Cabin (HyperLuxe Triple Secret). 2. Use of the design product: Used to fit the oxygen generator to provide high-pressure environment oxygen absorption and provide cabin air circulation. 3. Design points of the design product: in shape. 4. Pictures or photos that best show the design points: perspective view.

1. Name of the design product: Cabin (HyperLuxe Solo Dream). 2. Use of the design product: Used to fit the oxygen generator to provide high-pressure environment oxygen absorption and provide cabin air circulation. 3. Design points of the design product: in shape. 4. Pictures or photos that best show the design points: perspective view.

Provided is an exhaust gas purification catalyst that exhibits a high Nox conversion rate and excellent reduction catalyst activity not only in a low temperature region of 400°C or lower but also in a high temperature region of higher than 400°C. An exhaust gas purification catalyst (20) is used as a catalyst for a purification reaction for purifying an exhaust gas, and comprises: a noble metal (231); an oxygen absorption / release material (213) that has an oxygen absorption ability and an oxygen releasing ability; and an iron-containing compound (211) that is supported on the oxygen absorption / release material (213). The oxygen absorption / release material (213) contains yttrium, cerium, zirconium, and iron. When cerium exists as cerium oxide (CeO2) and iron exists as iron oxide (Fe2O3) in the oxygen absorption / release material (213), the following expression is satisfied: [content (mass%) of iron oxide in oxygen absorption / release material] > 0.38-0.02 × [content (mass%) of cerium oxide in oxygen absorption / release material].

Medical software tools platforms utilize a surgical display to provide access to specific medical software tools, such as medically-oriented applications or widgets, that can assist surgeons or surgical team in performing various procedures. In particular, an endoscopic camera may register the momentary rise in the optical signature reflected from a tissue surface and in turn transmit it to a medical image processing system which can also receive patient heart rate data and display relevant anomalies. Changes in various spectral components and the speed at which they change in relation to a source of stimulus (heartbeat, breathing, light source modulation, etc.) may indicate the arrival of blood, contrast agents or oxygen absorption. Combinations of these may indicate various states of differing disease or margins of tumors, and so forth. Also, changes in temperatures, physical dimensions, pressures, photoacoustic pressures and the rate of change may indicate tissue anomalies in comparison to historic values.

The utility model discloses a circulation type agricultural planting frame which comprises a bottom plate and supporting frames arranged on the two sides of the bottom plate, supporting rods are arranged on the opposite sides of the two supporting frames, the side walls of the two supporting rods are fixedly connected with connecting plates, and planting boxes are connected between every two opposite connecting plates through hanging brackets. Each planting box is provided with a plurality of planting vessels, the device further comprises a liquid storage box arranged on the side, close to the supporting frame, of the bottom plate, the liquid storage box is filled with a nutrient solution, liquid conveying pipes are arranged on the two sides of the liquid storage box respectively, and two water pumps are arranged in the liquid storage box; an oxygen supply assembly used for supplying oxygen to plants in the planting vessels is arranged on one side of each connecting plate located on the two sides. According to the circulating type agricultural planting frame, the oxygen supply assembly is arranged and used for increasing the oxygen content in the nutrient solution and keeping the oxygen absorption amount of the plant root system, and therefore the breathing effect of the plant root system is improved.

Provided are: an oxygen absorbent material containing a base material (I), an inorganic layer (II), and a cured product layer (III) of an epoxy resin composition containing an epoxy resin and an epoxy resin curing agent that includes an amine-based curing agent, where the inorganic layer (II) and the cured product layer (III) are adjacent to each other; and a method for storing an article, the method including an aspect in which the article is accommodated in a packaging material in which the oxygen absorbent material described above is enclosed, and / or an aspect in which the article is accommodated in a packaging material at least partially including the oxygen absorbent material described above, and the packaging material has an oxygen transmission rate of 1 cc / (m2·day·atm) or less.

The invention relates to the technical field of oxygenerators, in particular to an oxygenerator miniature pressure regulating valve assembly capable of reducing gas path loss and a control method.The oxygenerator miniature pressure regulating valve assembly comprises an oxygenerator body and a pipeline assembly, one end of the oxygenerator body is fixedly connected with a containing table, the right side of the pipeline assembly is fixedly connected with a pressure collecting assembly, and the right side of the pressure collecting assembly is fixedly connected with a pressure returning assembly; the pressure returning assembly comprises an air storage cylinder, a flow dividing opening is formed in the position, close to the left end, of the air storage cylinder, a first rubber sealing ring is fixedly connected to the front end of the air storage cylinder, an air storage column groove is formed in the inner side of the air storage cylinder, and a movable circular plate is embedded in the inner side of the air storage column groove; according to the device, pressure can be actively supplemented, the pressure change of an air path can be responded in real time, the pressure is increased by returning and storing oxygen, the insufficient output pressure of the oxygen generator is made up, the pressure flow attenuation is avoided, various oxygen inhalation requirements are met, and the oxygen inhalation effect is guaranteed.

A gas processing method and equipment, the equipment includes an exhaust gas oxygen remover 2, utilising an oxygen absorbent solvent; and a downstream gas processing absorber device 3, that processes

The application discloses a polyamide fresh-keeping composite film with oxygen absorption function, which comprises, from top to bottom, a polyamide surface layer, a first oxygen absorption layer, a barrier core layer, a second oxygen absorption layer and a polyamide heat sealing layer; wherein the polyamide surface layer is composed of the following raw materials in mass percentage: 93-99% PA6, 0.5-3.5% slip agent and 0.5-3.5% opening agent; the first oxygen absorption layer and the second oxygen absorption layer are composed of the following raw materials in mass percentage: 10-38% PA6, 60-80% MXD6 and 2.0-10% modified oxygen absorption barrier agent; the modified oxygen absorption barrier agent is a layered inorganic particle loaded with an oxygen absorber; the barrier core layer is 100% EVOH; and the polyamide heat sealing layer is composed of the following raw materials in mass percentage: 87-99% copolymerized nylon, 0.25-2% opening agent, 0.25-1% slip agent and 0.5-10% water absorbing agent. The first oxygen absorption layer and the second oxygen absorption layer can effectively reduce the oxygen content in the package, maintain the freshness of the content by the synergistic effect of the layers, slow down the deterioration reaction of the content caused by oxygen, and achieve the fresh-keeping effect.

The present invention relates to the field of fire protection, and in particular to a method for assessing and grading the degree of oxygen absorption corrosion of pipelines in a nuclear power plant fire protection system. The method comprises: determining the environmental conditions of the pipelines of the fire water system; calculating the oxygen content of the fire water in a stagnant flow state inside the fire water pipeline based on the inner diameter of the pipeline and the dissolved oxygen concentration under normal temperature and pressure; obtaining data on the change of dissolved oxygen concentration under the effect of oxygen absorption corrosion based on simulation experiments, and fitting a function to obtain a functional relationship DO(t) of the change of dissolved oxygen concentration of the fire water with time under the effect of oxygen absorption corrosion of the fire water still water pipeline; and obtaining a functional relationship f(t) of the change of the corrosion rate of the fire water still water pipeline with time based on the relationship between the corrosion rate of the inner wall of the fire water still water pipeline and the dissolved oxygen concentration. O (t); Based on the corrosion data and dissolved oxygen concentration data of the fire water still water pipes in the nuclear power plant fire protection system, the oxygen absorption corrosion degree of the fire water still water pipes in the nuclear power plant fire protection system is assessed. This invention improves the theoretical basis and methods for fire water pipe corrosion degree assessment, and the data obtained is precise and the results are accurate.

The application discloses a strip steel oxidation color difference control method, relates to the technical field of strip steel oxidation color difference control, and comprises the following operation steps: S1, instrument installation; S2, preset oxygen content limit value; S3, limit fan speed power; S4, image assistance; S5, fan power adjustment; S6, wind fan oxygen absorption setting and S7, limited warning. The strip steel oxidation color difference control method solves the problem of oxidation color defects caused by the most common slow cooling fan and fast cooling fan leakage, can not only solve the traditional oxidation color defect problem, but also solve the problem of oxidation color difference defects in the strip steel width direction caused by fan micro-leakage, realizes automatic control of the oxidation color difference defects, greatly improves the automation level of the unit, can timely lock the problem fan, alarms the abnormality, reminds the operator to timely dispose the unit abnormality, shortens the leakage point checking time, and effectively reduces the occurrence amount of the oxidation color difference defects.

Provided is an oxygen absorption / release material which is composed of an Fe-based composite oxide and which can increase the amount of oxygen absorption / release. This oxygen absorption / release material is characterized by containing a compound in which a part of La in LaFeO3 is substituted by Ca.

Embodiments of the present application provide a flue gas deoxidation system, comprising: an oxygen absorption assembly, configured to receive flue gas and absorb oxygen in the flue gas by saturated carbon dioxide absorption liquid to form an oxygen-rich solution; a deoxidation assembly, in communication with the oxygen absorption assembly, configured to receive the oxygen-rich solution and deoxidize to form oxygen-rich gas; a drying assembly, in communication with the deoxidation assembly, configured to receive the oxygen-rich gas and dehydrate the oxygen-rich gas to form dry oxygen-rich gas; and an oxygen separation assembly, in communication with the drying assembly, configured to receive the oxygen-rich gas and separate oxygen from the oxygen-rich gas. The flue gas deoxidation system of the present application can remove oxygen from the end flue gas, thereby avoiding the oxygen in the end flue gas combining with hydrogen to form water when the end flue gas is used for ammonia synthesis reaction, and improving the efficiency and yield of the end flue gas for ammonia synthesis.

The invention provides a resistive random access memory, a preparation method thereof and electronic equipment, the resistive random access memory comprises a laminated structure, and the laminated structure comprises a first electrode, a resistive layer, an oxygen exchange layer and a second electrode; the resistive layer is located on the first side of the first electrode; the oxygen exchange layer is located on the first side, away from the first electrode, of the resistive layer and comprises a first sub-oxygen exchange layer and a second sub-oxygen exchange layer which are stacked, the second sub-oxygen exchange layer is located on the first side, away from the resistive layer, of the first sub-oxygen exchange layer, and the oxygen uptake activity of the second sub-oxygen exchange layer is larger than that of the first sub-oxygen exchange layer; the second electrode is located on the first side of the oxygen exchange layer away from the resistive layer. According to the resistive random access memory, a composite oxygen exchange layer structure is formed by the first oxygen exchange sub-layer and the second oxygen exchange sub-layer, so that the influence of interface stability and material chemical activity on device performance is balanced.

The embodiment of the application provides a high total nitrogen urban sewage treatment device and method, and relates to the technical field of sewage treatment. The high total nitrogen urban sewage treatment device comprises an integrated cylindrical tank body, a cross-flow device and an online dissolved oxygen instrument; the integrated cylindrical tank body is of a vertical layered upflow type structure, and is sequentially provided with an aerobic zone, a buffer zone, an anoxic zone one and an anoxic zone two from bottom to top; the bottom of the aerobic zone is provided with a water inlet pipe, the aerobic zone is provided with a microporous aerator, an aeration fan connected with the microporous aerator and a combined filler located above the microporous aerator. The scheme can save land by 50% through the integrated cylindrical tank body, the total nitrogen removal rate reaches 82.6%-92% through the biological filter layer and the cross-flow plate one for oxygen absorption, the carbon source of the anoxic zone one is saved by 20%-30%, the elastic filler ensures system stability, and the cyclone type backwashing device makes operation and maintenance more convenient.

The present invention discloses a high-resolution near-space microwave detector channel parameter design method, comprising: S1, obtaining test results of oxygen absorption lines, and selecting a combination of oxygen absorption lines based on the test results; S2, calculating the oxygen spectral line shape based on a linear function, determining the oxygen Zeeman splitting coefficient and absorption coefficient in the atmosphere in combination with the oxygen absorption line intensity, and calculating the oxygen absorption line transmittance under each propagation path in the atmosphere through the functional relationship between the determined oxygen Zeeman splitting coefficient and absorption coefficient and the altitude; S3, calculating a weight function for each layer of the atmosphere, calculating and analyzing the ideal detection altitude of a single oxygen absorption line and a combination of oxygen absorption lines; S4, designing conventional and hyperspectral channel passband parameters of the near-space microwave detector based on the weight functions corresponding to different oxygen absorption lines and the analysis results of the oxygen absorption line detection altitude, and synthesizing the detection channel; S5, performing simulation analysis and verification on the designed channel.

The invention relates to the technical field of iron-based deoxidizers, in particular to an iron-based deoxidizer capable of quickly absorbing oxygen at low temperature. The iron-based deoxidizer capable of quickly absorbing oxygen at low temperature comprises a packing material and an inner material accommodated in the packing material, and the inner material comprises the following raw materials in percentage by mass: 10-30% of silicon dioxide, 10-30% of sodium chloride, 10-30% of water and the balance of reduced iron powder. According to the iron-based deoxidizer capable of rapidly absorbing oxygen for 3 hours in the low-temperature environment of 0-10 DEG C, when food establishes an anaerobic environment in a cold chain, perfect synergy can be formed with the low temperature, and the problem that in the prior art, the oxygen absorption performance of an iron-based deoxidizer is reduced at the low temperature is solved. The packaging material with the ventilation resistance of 200-800 s is selected and matched with rapid oxygen uptake of the inner material, the product rapidly uptakes oxygen in a low-temperature environment, and the oxygen uptake amount within 3 h reaches 1000 mL or above.

The application provides a heat treatment method of a large titanium alloy belt-ribbed cylindrical shell welding structure, which comprises the following steps: S1, placing a support in an argon-filled box, and then placing a to-be-treated cylinder on the support; S2, simulating and analyzing a gas flow field in the argon-filled box to determine a gas rarefaction area in the argon-filled box; according to a simulation result, designing a distribution mode of a gas filling pipeline and a gas outlet pipeline for supplying gas to the gas rarefaction area; S3, arranging a temperature detection element on the cylinder for detecting a heat treatment temperature of the cylinder; S4, filling an oxygen absorption medium in the argon-filled box, and then sealing the argon-filled box; S5, introducing a protective gas and performing atmosphere heat treatment, and then cooling the cylinder; and S6, taking out the cylinder; the application can realize high-quality heat treatment of the cylinder in a common heat treatment furnace without contaminating the surface of the cylinder, and can be popularized to other products which have special requirements on the surface and need heat treatment.

The invention discloses a medicinal aluminum foil with a self-moisture-absorbing and oxygen-absorbing function and a preparation method of the medicinal aluminum foil. The aluminum foil comprises an aluminum foil base material, a protective layer and a heat sealing layer, and is characterized in that active molecular sieve powder is uniformly dispersed in the heat sealing layer. According to the invention, the active molecular sieve is introduced into the traditional heat-sealing adhesive, so that the medicinal aluminum foil has the capability of actively absorbing moisture and oxygen from the inside of a bubble cap while keeping the external high barrier property, and a dual protection mechanism of external resistance and internal absorption is formed. Therefore, the storage environment of the medicine can be remarkably improved, the medicine is particularly suitable for the medicine sensitive to humidity and oxygen, and the shelf life of the medicine can be effectively prolonged. The preparation process is simple, is easy to implement on the existing production line, and has very high practical value and market prospect.

Provided is an oxygen scavenger composition for which the initial oxygen absorption by the composition is suppressed, thereby making it possible for the composition to exhibit sufficient oxygen absorption performance even after being handled in the atmosphere for a certain amount of time. This oxygen scavenger composition contains: a metal halide-coated iron powder (A) obtained by coating a reduced iron powder having an iron oxide on the iron surface with a metal halide; and a moisture-donating agent (B). The proportion of the element iron in the iron powder that results from excluding the metal halide and moisture from the metal halide-coated iron powder (A) is 97.0-99.3 mass%, and the metal halide content is 0.01-1.0 parts by mass per 100 parts by mass of the iron powder that results from excluding the metal halide and moisture from the metal halide-coated iron powder (A).

This invention discloses an automated stem cell culture chamber with precise temperature and humidity control, comprising a chamber body, a culture tray, a diffusion frame positioned above the culture tray, an adjusting and sealing mechanism, and an oxygen absorption mechanism. The diffusion frame has a first and a second permeable membrane along the arrangement direction of the culture containers. The first permeable membrane forms an oxygen supply interface, and the second permeable membrane forms a hypoxia communication interface with the oxygen absorption box. The adjusting and sealing mechanism limits the effective exposure area of ​​the two permeable membranes respectively through a first sealing plate. The oxygen absorption box contains oxygen-absorbing material and can be moved closer to or further away from the second permeable membrane to change the volume of the hypoxia buffer chamber. A second sealing plate is provided on the ventilation side of the oxygen absorption box to adjust the ventilation opening area. Thus, without changing the position of the culture tray, by adjusting the gas exchange conditions on the oxygen supply side and the hypoxia side, an adjustable oxygen concentration gradient environment is formed above the culture tray, suitable for stem cell hypoxia induction, differentiation comparison, and drug response culture experiments.

1. The name of the design product: air pressure hard body health cabin (upright type). 2. The use of the design product: the cabin body forms a micro-pressure oxygen absorption environment for human use. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

This utility model relates to the field of testing device technology and discloses a metallized film heat shrinkage rate testing device, including a cabinet. A hot air blower is installed on the cabinet, and an air outlet pipe is connected to the output end of the hot air blower and passes through the cabinet. An oxygen absorption mechanism is provided on the cabinet, and a protective mechanism is provided inside the cabinet. The oxygen absorption mechanism includes an activated copper plate, which is located at the air outlet of the air outlet pipe. This utility model utilizes the oxidation reaction of the activated copper plate with oxygen at high temperature. Combined with a motor-driven rotating rod and linkage structure, the activated copper plate continuously rotates, increasing the contact area with oxygen in the hot air, efficiently consuming oxygen inside the cabinet, ensuring the stability of the physical properties of the metallized film during the testing process, and avoiding interference from oxidation on the heat shrinkage rate test results.

The invention discloses a method for testing the temperature and the oxygen uptake rate in the combustion process of a metal material. According to the method, when the ignition temperature of a sample in the combustion process is tested and an inflection point appears in a sample temperature curve, the ignition temperature of the sample under the oxygen pressure condition is determined. When the temperature field of a sample in the combustion process is measured, thermocouples need to be installed at different positions of the sample, and then the change condition of the temperature field in the sample combustion process is obtained through finite element simulation software. When the oxygen uptake rate of a sample in the combustion process is tested, a small hole is formed in the top of the sample, then the sample is hung on a tension sensor, and the oxygen uptake rate under the oxygen pressure can be obtained by measuring the change of the mass of the sample along with time. By measuring the ignition temperature of the sample and the temperature change condition in the combustion process, the test method for measuring the temperature of the metal material in the combustion process is simple in equipment, easy to construct, convenient to operate and high in experiment safety.

The invention belongs to the technical field of medical instruments, and particularly relates to an oxygen generating device for an oxygen therapy system, which comprises a shell, an application is connected to the bottom of the shell, a lens is arranged at the top of the shell, a surface cover is fixedly arranged in the shell, a display screen is embedded in the surface cover, a circuit board is connected to the bottom of the surface cover, and the circuit board is electrically connected with the display screen. A rechargeable battery is fixedly arranged in the shell, an oxygen production assembly is arranged in the shell, and the oxygen production assembly comprises an upper conductive substrate, a lower conductive substrate, a silicon rubber case and an oxygen production plate. According to the oxygen generating device for the oxygen therapy system, the oxygen outlet is directly aligned to the center of the navel, a complex conveying pipeline is not needed, oxygen directly acts on the navel part in a natural diffusion mode, the direct action mode of natural diffusion of the oxygen is combined, loss of the oxygen in the conveying process is reduced, and the local oxygen absorption rate is remarkably increased; limited oxygen can be accurately conveyed to an efficient absorption area, resource waste is avoided, and light weight and portability of equipment are achieved.

The present invention provides a novel oxygen-absorbing sealant film that has good oxygen absorption and physical strength. [Solution] As shown in Figure 1, the oxygen-absorbing sealant film 10 of the present invention is An oxygen-absorbing sealant film 10 having at least a first surface resin layer 12, an oxygen-absorbing layer 14, and a second surface resin layer 16 in this order, and these layers being fused to each other, The first surface resin layer 12 and the second surface resin layer 16 contain polypropylene resin. The oxygen-absorbing layer 14 contains at least iron powder and polypropylene elastomer. The content of the polypropylene elastomer is 40% by mass or more relative to the total mass of the resin components constituting the oxygen absorption layer 14, and The density of the aforementioned polypropylene elastomer is 0.900 g / cm³. 3 The following applies: