42 results about "Oxygen absorption" patented technology

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.

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 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 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.

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 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:

The invention relates to a method and system for detecting residual oxygen concentration through laser measurement, and relates to the field of gas concentration detection.The method comprises the steps that laser with the oxygen absorption peak wavelength is selected as detection laser, modulation signals changing periodically are applied to form modulation laser, and the modulation laser irradiates the top space; receiving the modulated laser penetrating through the top space to demodulate a direct-current component, calculating a deviation ratio according to the direct-current component and a reference direct current, judging whether the deviation ratio is within a threshold value or not, if not, feeding back and adjusting the laser wavelength, and finally outputting a laser intensity attenuation curve of residual oxygen to obtain the concentration of the residual oxygen; the detection system comprises an optical subsystem, an electrical subsystem, a feedback control subsystem and a data processing subsystem. The technical effects that the residual oxygen concentration of the top space can be accurately measured, the laser wavelength drift can be effectively detected and corrected, and the measurement precision and stability are improved are achieved.

This invention discloses a method for coordinated wavelength correction of oxygen absorption in a TDLAS gas analyzer, comprising the following steps: S1, firstly, extracting the second harmonic signal of oxygen using wavelength modulation spectroscopy technology with the TDLAS gas analyzer; S2, analyzing the second harmonic signal of oxygen absorption to extract the absorption peak amplitude and position information; S3, determining whether the center wavelength has shifted, i.e., whether the absorption peak amplitude has deviated from the preset range. If yes, proceed to step S4; otherwise, return to step S1; S4, if the absorption peak amplitude has deviated, using a coordinated control algorithm of temperature control coarse adjustment and current fine adjustment for correction. This invention eliminates the need for a reference gas chamber and spectroscopic structure, maintaining simplicity and reliability in hardware; it also avoids the problems of traditional harmonic peak search being susceptible to noise interference and response lag, enabling fast, stable, and high-precision automatic wavelength correction under complex operating conditions, effectively improving the long-term measurement stability and detection accuracy of the TDLAS gas analyzer.

The present application relates to the technical field of flow control, in particular to an oxygen absorption terminal flow balance control system, which comprises a pressure distribution monitoring module, a flow adjustment execution module, a terminal state discrimination module, an instruction optimization adaptation module and a running record acquisition module. In the present application, the pressure at multiple points in the oxygen supply pipeline is periodically collected and the change amplitude is analyzed to achieve sensitive identification and state marking of flow abnormalities. The time window matching of the device running point and pressure fluctuation is combined to improve the accuracy and execution matching of flow adjustment. Through the front insertion rearrangement mechanism of the control instruction, priority is ensured in the lag scenario, the adjustment response speed and execution stability are enhanced, and the adjustment process is recorded to support the accurate tracing and quality evaluation of the oxygen supply terminal running track, effectively improving the control accuracy, abnormal identification ability and overall controllability of system operation in the multi-terminal concurrent oxygen use scenario.

This application proposes a water purification device, comprising: a purification module, the inlet of which is connected to a water supply device; a hydrogen-rich module, the inlet of which is connected to the outlet of the purification module; a refrigeration module, the inlet of which is connected to the outlet of the purification module; a hydrogen mixing module, the inlet of which is connected to the outlets of both the purification and refrigeration modules, and the air inlet of which is connected to the hydrogen outlet of the hydrogen-rich module; a control device connecting the purification module, the hydrogen-rich module, the refrigeration module, and the hydrogen mixing module; a hydrogen and oxygen absorption device, having a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port being connected to the hydrogen outlet of the hydrogen-rich module under the control of the control device, and the oxygen absorption port being connected to the oxygen outlet of the hydrogen-rich module under the control of the control device; and a drinking water device, connected to the outlets of the purification module, the refrigeration module, and the hydrogen mixing module under the control of the control device. Its functions are more diversified.

The application discloses an insulating high-voltage-resistant flame-retardant 10kV power cable and relates to the technical field of power cables. A plurality of heat insulation protective sheets are arranged on the side end of the dense power transmission wire core, and an elastic protective sleeve is arranged on the outer side end of the heat insulation protective sheets. A plurality of storage heat fixation cavities are equidistantly arranged on the inner side of the elastic protective sleeve, and a plurality of armored outer protective sheets are equidistantly arranged on the outer side of the elastic protective sleeve. An outer clamping combined pipe is sleeved on the side end of the armored outer protective sheet. The internal sealing compression and oxygen absorption dehydration treatment are adopted to realize steady insulation of the wire core, reduce the internal short circuit or fire caused by the discharge of the wire core, and slow down the time when the cable becomes a combustible material during combustion through the cooperation of the double-layer active flame-retardant fire extinguishing and the double-layer passive flame-retardant. Therefore, the speed of flame spreading is slowed down, the time of fire extinguishing is prolonged, the direct loss of the cable during fire can be reduced, and the effect of flame-retardant and internal insulation flame-retardant protection is improved.

The invention discloses a sealing film with an oxygen uptake effect and a preparation method, application and package thereof, and belongs to the technical field of food package. The sealing film comprises a film body and a functional coating, the functional coating contains noble metal capable of catalyzing hydrogen-oxygen reaction, the functional coating at least has an area satisfying E = c * h, E > = 150, h > = 2 and c > = 50, and h and c are the thickness value of the area and the concentration value of the noble metal respectively. The functional coating contains precious metal capable of catalyzing the hydrogen-oxygen reaction, can catalyze the hydrogen-oxygen reaction, and is beneficial to reducing the oxygen content; the coating can also solidify the generated water, and the generated water can open a gas migration channel in the functional coating, so that the removal of oxygen is further accelerated; the precious metal is embodied in the form of a coating, so that the risk of migration and falling of the precious metal in the goods shelf process can be reduced or avoided. The sealing film has an oxygen absorption effect and can be further used for various packages, such as food packages of dairy products and the like.

The invention relates to the technical field of oxygen exhaust buffer tanks, and discloses a ship gas storage buffer tank integrated device which comprises an oxygen exhaust tank, a fixed flow guide cover and an elastic flow guide ring are arranged in an inner cavity of the upper portion of the oxygen exhaust tank, and an S-shaped buffer cavity is formed between the fixed flow guide cover and the elastic flow guide ring. A filter ring and a cleaning assembly are arranged in the middle of the S-shaped buffer cavity, the periphery of the oxygen discharging tank is fixedly sleeved with a transparent waste liquid bin, and a liquid pressing assembly used for independently removing waste liquid is arranged at the top of the transparent waste liquid bin. When oxygen impacts the S-shaped buffer cavity, the cleaning assembly automatically cleans water and impurities on the filter ring, the oxygen absorption quality of pressure reduction of a diver is improved, meanwhile, waste liquid can be isolated from oxygen to be pressed out at any time in an online mode through the liquid pressing assembly, oxygen leakage is avoided, waste cleaning safety and reliability and oxygen discharging continuity of the oxygen discharging tank are guaranteed, and the service life of the diver is prolonged. The diver can stably absorb oxygen, and in addition, the exhaust pressure and speed of the oxygen can be flexibly and accurately adjusted in a large range.

The application relates to the technical field of oxygen generators, in particular to a low-resistance pressure swing adsorption structure based on a bionic flow channel and an oxygen generator. An adsorption auxiliary assembly is arranged at the bottom end of the inner cavity of an adsorption tower main body to improve the oxygen adsorption and collection efficiency, that is, the adsorption and collection efficiency of oxygen is improved by arranging a supporting disc body and uniformly arranging a plurality of first ventilation holes on the supporting disc body; and the supporting disc body is supported by an arranged mounting cover, and a spacing cavity is formed between the two, which avoids the plugging of the oxygen absorption flow channel caused by the spherical molecular sieve in the adsorption tower main body; the application also arranges a connecting fitting at the top of the supporting disc body, that is, an auxiliary disc piece is arranged and a second ventilation hole is uniformly arranged in the auxiliary disc piece, a plugging prevention supporting cone head is equidistantly arranged at the top hole position of the second ventilation hole, and the spherical molecular sieve is supported, so that the plugging of the second ventilation hole caused by the spherical molecular sieve is avoided, and the pressure of oxygen adsorption and collection is reduced.

The present invention relates to the measurement of dissolved oxygen using optical radiation to induce luminescence, providing a method and apparatus for analyzing the optical measurement to determine whether the liquid includes dissolved oxygen, to determine a predicted concentration of dissolved oxygen in the liquid, and / or to determine additional or alternative characteristics related to dissolved oxygen in the liquid. A light source can be controlled to emit optical radiation into a container containing a liquid. The light source can be located outside the container, and the optical radiation includes, for example without limitation, radiation conforming to the dissolved oxygen absorption band. The optical radiation can be pulsed, or can be periodically intensity modulated. A light detector located outside the container but in optical communication with the interior of the container can produce an optical measurement for analysis.

1. The name of the design product: cabin (space-time cube single arc surface). 2. The use of the design product: used to match the oxygen generator to provide high-pressure environment oxygen absorption and provide cabin air circulation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the field of resistive random access memories, and provides a novel resistive random access memory with reversible oxygen library regulation and control. The device sequentially comprises a metal carbide oxygen capture layer, a conductive oxide regulation and control layer, a doped modified SnO2 resistive function layer and a top electrode layer from bottom to top. The metal carbide oxygen capture layer has high affinity to oxygen ions and is used for capturing and slowly releasing the oxygen ions; the conductive oxide regulation and control layer has reversible oxygen absorption and desorption capability, and interface oxygen concentration is regulated and controlled; the doped modified SnO2 layer forms a controlled defect energy level through doping elements, and conductive filaments are guided to be formed. According to the invention, the oxygen affinity gradient is constructed between the metal carbide layer and the conductive oxide layer, so that the nucleation position of the conductive filament is precisely limited in the interface area of the conductive oxide and the SnO2 layer; the technical problems of high formation voltage, poor device consistency and difficulty in stably realizing a multi-stage resistance state caused by random nucleation of conductive filaments and irreversible migration of oxygen ions in a traditional RRAM device are effectively solved, and the performance and reliability of the device are remarkably improved.