396 results about "Oxygen absorption" patented technology

An oxygenation and temperature thermal therapy and oxygenation treatment pad with a plurality of air chambers is disclosed for treatment of skin wound tissues. The air chambers are filled and released by a valve assembly that may be separate from or integrated within the blanket. The thermal therapy and oxygenation treatment pad includes a fluid bladder for delivering hot and / or cold therapy to a patient in conjunction with oxygenation. The temperature therapy blanket may also include an air bladder for providing compression. Oxygenation is provided subsequent to initial heating in order to promote oxygen absorption by the wound tissues prior to the cooling thereof which facilitates pulling oxygen into the wound tissues. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

The present invention provides an Oxygen scavenging composition as a concentrate master batch to act as active and passive barrier, said composition comprising a resin carrier which is an alloy of PET with PTN, or PBN or PBT, mixed micron sized and nano-sized iron particles, an alkali metal bisulphate and ascorbate, a metal halide and additives. The iron particle mixture with a particle size in the range of 1 to 50 micron along with nano sized iron particles of 5 to 50 nanometers (nm) having an additional enhanced rate of oxygen absorption. The oxygen scavenging composition also includes metal halide and ascorbates and bisulphates of alkali metals. The oxygen scavenging composition of the present invention as a master batch in a polyester carrier resin containing barrier, color and U.V. light absorbing additives is used in food packaging applications of human consumption, especially those oxygen sensitive food items including alcoholic beverages, fruit beverages etc, where the oxygen permeation levels are to be maintained at very low levels.

An oxygen absorption resin composition is provided that comprises a thermoplastic resin (A) having carbon-carbon double bonds substantially in its main chain and a transition metal salt (B). If necessary, the composition further comprises a gas barrier resin (C), a compatibilizer (D) and the like. The composition has excellent oxygen absorption properties, and when the composition is employed, generation of odorous substances derived from the decomposition of resins as a result of oxygen absorption can be suppressed.

The invention relates to a preparation method of multi-phase gel foam for controlling the spontaneous combustion of coal. The multi-phase gel foam with multiple components of medium is made by adding a slight amount of thickener into the fly ash or the yellow mud slurry to form thickening mud with certain viscosity, adding certain amount of cross-linking agent and foaming agent into the thickening mud, and introducing nitrogen to carry out the physical and mechanical foaming. The bubble wall of the multi-phase gel foam has high viscosity and good elasticity, the fly ash or yellow mud adhere to the bubble wall, and the bubble is internally covered with nitrogen. The multi-phase gel foam is delivered to the mined-out area through the grouting pipeline of the mine, evenly covers the float coal in the mined-out area, and blocks the fractures of the coal body. The method can effectively hinder the oxygen absorption for goal and prevent the oxidization of the coal. The preparation method is simple, and the prepared multi-phase gel foam has low cost and significant effects on fire prevention and extinguishing; the preparation method does not only have the advantages of mud injection, nitrogen injection, two-phase foam injection, gel injection and composite gel injection on fire prevention and extinguishing, and also overcomes the deficiency, which has wide practicality.

The invention relates to a wet-method electroreduction clean lead recovery method with closed circulation. In the method, based on an electrochemical principle, a solid-liquid two-phase one-step reduction reaction is performed by establishing a closed electrolyte circulation and by the lead-containing material activation of an active agent and the catalytic oxygen absorption action of a high-efficiency anode so as to convert waste lead storage batteries or the lead-containing waste material from lead storage battery production plants into metal lead directly. Thus, the method is a novel environmentally-friendly and energy-saving wet-method electroreduction lead recovery method, and is a novel technique that can be used for large-scale industrial production.

An oxygenation and temperature thermal therapy and oxygenation treatment pad with a plurality of air chambers is disclosed for treatment of skin wound tissues. The air chambers are filled and released by a valve assembly that may be separate from or integrated within the blanket. The thermal therapy and oxygenation treatment pad includes a fluid bladder for delivering hot and / or cold therapy to a patient in conjunction with oxygenation. The temperature therapy blanket may also include an air bladder for providing compression. Oxygenation is provided subsequent to initial heating in order to promote oxygen absorption by the wound tissues prior to the cooling thereof which facilitates pulling oxygen into the wound tissues. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

The present invention relates to a device for reducing the oxygen content of the air surrounding pharmaceutical dosage forms contained within an oxygen-permeable bottle, while also maintaining a relatively low moisture level in said air during the shelf-life of the product. Accordingly, a pharmaceutical package contains a dessicant in a first sub-container and a self-activated oxygen-absorber in a second sub-container.

An oxygen absorption resin composition is provided that comprises a thermoplastic resin (A) having carbon-carbon double bonds substantially in its main chain and a transition metal salt (B). If necessary, the composition further comprises a gas barrier resin (C), a compatibilizer (D) and the like. The composition has excellent oxygen absorption properties, and when the composition is employed, generation of odorous substances derived from the decomposition of resins as a result of oxygen absorption can be suppressed.

In an exhaust-gas after-treatment device (10,10A) having an oxygen storage capacitor substance which releases oxygen when the exhaust-gas is rich in air-fuel ratio and storages oxygen and heats up by itself when the exhaust-gas is lean in air-fuel ratio, the air-fuel ratio for the exhaust-gas flowing into the exhaust-gas after-treatment device (10,10A) is regulated so as to alternately come into a rich condition (R) and a lean condition (L) when the temperature (Tg) of the exhaust-gas is not higher than a given temperature (Tc) and when the exhaust-gas after-treatment device (10,10A) is not in the condition of being regenerated. Thus, when an exhaust-gas after-treatment device (10,10A) having a deNOx catalyst and a DPF is not in the condition of the regeneration of deNOx catalyst, DPF regeneration, or the like, the temperature of the exhaust-gas after-treatment device (10,10A) is raised by utilizing the self-heating function of the oxygen storage capacitor substance during oxygen absorption. As a result, the purification rate for NOx and PM at the time when the temperature of the exhaust-gas is low is improved.

An oxygenation and temperature thermal therapy and oxygenation treatment pad with a plurality of air chambers is disclosed for treatment of skin wound tissues. The air chambers are filled and released by a valve assembly that may be separate from or integrated within the blanket. The thermal therapy and oxygenation treatment pad includes a fluid bladder for delivering hot and / or cold therapy to a patient in conjunction with oxygenation. The temperature therapy blanket may also include an air bladder for providing compression. Oxygenation is provided subsequent to initial heating in order to promote oxygen absorption by the wound tissues prior to the cooling thereof which facilitates pulling oxygen into the wound tissues. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

An oxygen scavenging packet containing an iron-based oxygen scavenger and an electrolyte is set forth in which the rate of uptake of oxygen is increased by virtue of the introduction into the packet of an oxygen uptake accelerator containing water. Methods of increasing the rate of oxygen absorption by use of the iron-based oxygen scavenging packet are also set forth.

The oxygen-absorbing composition of the invention comprises 100 parts by weight of a carrier and an easily oxidizable organic composition that is carried on the carrier in an amount exceeding 210 parts by weight. The carrier comprises a calcium silicate compound represented by the following formula: CaO.mSiO2.nH2O wherein m is a number from 1.6 to 6.5 and n is a positive number, and has crystal structures constituted by aggregates of curved plate crystals comprising gyrolite calcium silicate and amorphous silicon dioxide. Because of a high flowability, the oxygen-absorbing composition of the invention is excellent in the productivity of the oxygen-absorbing packages. In addition, because of a large oxygen absorption per unit volume, the oxygen-absorbing package can be made compact in its shape. The oxygen-absorbing package is not detected by a metal detector because the contamination with iron components as impurities can be prevented.

The present invention provides a thermoplastic resin composition having excellent oxygen absorption property. This thermoplastic resin composition comprises a thermoplastic resin (A), a multilayered polymer particle (B) and a transition metal salt (C), wherein the multilayered polymer particle (B) has at least one oxygen absorption layer, the oxygen absorption layer comprises a diene polymer (B1) containing a conjugated diene monomer as a polymerization component, and the transition metal salt (C) is contained in an amount of 1 to 5000 ppm in terms of a metal element thereof.

The invention provides a deoxidizing preservative. The deoxidizing preservative comprises the following components in percentage by weight: 85 to 95 percent of oxygen absorbent and 5 to 15 percent of water; the oxygen absorbent is blocky solid and comprises the following components in percentage by weight: 40 to 90 percent of ultrahigh molecular weight polyethylene, 5 to 55 percent of oxygen absorbing substance and 5 to 20 percent of active carbon, wherein the oxygen absorbing substance is one or a mixture of reduced iron powder, ferrous chloride, ferrous carbonate, ferrous sulfate and zinc powder. The deoxidizing preservative not only prevents food pollution caused by powder leakage, but also prevents materials from adsorbing oxygen in the environment in the processes from mixing to packing so as to greatly lose oxygen absorption performance and reduce the production cost for manufacturers of the deoxidizing preservative.

Provided is an organic light-emitting display panel, which comprises a substrate, an organic light-emitting device layer and an encapsulation layer. The organic light-emitting device layer is formed on the substrate; and the encapsulation layer is arranged on the substrate and covers the organic light-emitting device layer. The encapsulation layer comprises an inorganic encapsulation layer and a water-oxygen absorption layer. The inorganic encapsulation layer comprises a first inorganic encapsulation layer and a second inorganic encapsulation layer which are arranged in stack. The water-oxygenabsorber layer is arranged between the first inorganic encapsulation layer and the second inorganic encapsulation layer. Water and oxygen permeated through minor defect channels in the inorganic encapsulation layer is absorbed by the water-oxygen absorption layer when passing through the water-oxygen absorption layer, thereby preventing an organic light-emitting device from being damaged by the water and oxygen and improving the service life of the organic light-emitting display panel.

The present invention provides a MOS device, which comprises: a substrate; an interface layer thin film formed on the substrate; a high k gate dielectric layer formed on the interface layer thin film; and a metal gate formed on the high k gate dielectric layer. The metal gate comprises, upwardly in order, a metal gate work function layer, an oxygen absorption element barrier layer, a metal gate oxygen absorbing layer, a metal gate barrier layer and a polysilicon layer. A metal gate oxygen absorbing layer is introduced into the metal gate for the purpose of preventing the outside oxygen from coming into the interface layer and absorbing the oxygen in the interface layer during a annealing process, such that the interface layer is reduced to be thinner and the EOT of MOS devices are effectively reduced; meanwhile, by adding an oxygen absorption element barrier layer, the “oxygen absorption element” is prevented from diffusing into the high k gate dielectric layer and giving rise to unfavorable impact thereon; in this way, the high k / metal gate system can be more easily integrated, and the performance of the device can be further improved accordingly.

The invention discloses a small intelligentized machine integrating with oxygen production and oxygen compression. The small intelligentized machine integrating with oxygen production and oxygen compression disclosed by the invention comprises a shell, wherein an oxygen production unit, an oxygen compression unit and an oxygen supply unit controlled respectively by a control system are disposed in the shell; the control system uses a single chip or a programmable controller; the oxygen production unit comprises an air filter, an air drier, an air compressor, a radiator, an adsorption tower and an oxygen storage tank which are orderly connected via pipelines; the oxygen supply unit is composed of an oxygen supply unit oxygen absorption flow adjusting valve and a humidifying bottle which are orderly connected via a pipeline; and the oxygen compression unit comprises an oxygen compression flow adjusting valve, a buffering tank, a three-stage oxygen compressor, a check valve and an oxygen bottle which are orderly connected via pipelines. The invention discloses a small intelligentized machine integrating with oxygen production and oxygen compression designed by mechanical and electronic integration, wherein the machine simultaneously has oxygen production function and oxygen compression function, thereby realizing the organic combination of oxygen production and oxygen compression, and improving the integration level of system.

The invention discloses a head physiotherapy device for neurology patients and a method for using the same, and belongs to the technical field of medical equipment. The head physiotherapy device comprises a helmet body, a massage ball, and a massage control body. The outer surface of the helmet body is provided with a plurality cylinders corresponding to acupoints of a human head and is also provided with an air inlet channel with a negative ion generator. The massage control body is internally provided with a bevel gear I driven by a micro motor and a cam, the surface of the cam is connectedwith a driving rod, and the lower end of the driving rod is provided with the massage ball; the bevel gear I is in a drive connection with a bevel gear II, a spur gear III, and a spur gear IV successively, and the spur gear IV is fixed to the driving rod. The massage ball comprises a metal net ball body and stone needles and magnets filled in the metal net ball body, the metal net ball body is wrapped with a rubber sleeve, and the rubber sleeve is attached to a cotton layer outside. The head physiotherapy device has the therapeutic effects of far infrared treatment, ultrasonic therapy, magnetic therapy, oxygen absorption therapy, and massage on a patient's head, and has the advantages of high selectivity, strong pertinence, and convenient use.

The invention relates to a breathing apparatus for the internal medicine, belonging to the technical field of medical equipment. The technical scheme is as follows: the breathing apparatus for the internal medicine comprises a body and a face mask, wherein a combined converter is arranged on the left side of the body; a sputum suction connecting handle is arranged on the upper side of the combined converter; an air supply conversion handle is arranged on the left side of the sputum suction connecting handle; a combined conduit is arranged on the left side of the combined converter; a combined plug is arranged on the right side of the combined conduit; a combined sealing socket is arranged on the right side of the combined plug; and a plug locking buckle is arranged on the outer side of the combined sealing socket. The breathing apparatus provided by the invention is simple in structure and convenient to use and can finish the operations such as oxygen absorption, artificial respiration and sputum suction without changing the face mask; and moreover, the breathing apparatus is simple and convenient to operate, has diversified functions and can effectively improve the rehabilitation effect of patients.

The invention is an oxygen saturation of blood in partial tissue in the brain of a newborn baby under the stimulation of absorbing oxygen, and its characteristic: it takes three photoelectric receiving tubes placed on the same straight line and a light source containing two LEDs as sensor, based on that in the tissue oxygen metabolism, oxyhemoglobin and reduced hemoglobin have different optical spectrum properties, and according to the light absorbing and scattering laws in the tissue, calculating the oxygen saturation rSO2 of blood in partial tissue, and on the condition of short-time pure oxygen absorbing, able to detect and calculate the variation of oxygen saturation of blood in partial tissue of a newborn baby. The three photoelectric receiving tubes are arranged at regular intervals, and the two LEDs can emit red and near-infrared lights, respectively. The invention can sensitively detect the oxygen saturation of blood in partial tissue of a newborn bay or bay suffering from diseases and its variation course.

A trench is formed in an insulation film formed on top of a semiconductor substrate, and a barrier metal film is formed on the surface of the trench. After a copper or copper alloy film is formed on the barrier metal film, an oxygen absorption film in which a standard energy of formation of an oxidation reaction in a range from room temperature to 400° C. is negative, and in which an absolute value of the standard energy of formation is larger than that of the barrier metal film is formed, and the assembly is heated in a temperature range of 200 to 400° C. A semiconductor device can thereby be provided that has highly reliable wiring, in which the adhesion to the barrier metal film in the copper interface is enhanced, copper diffusion in the interface is suppressed, and electromigration and stress migration are prevented.

The invention discloses an argon shielding device for titanium material welding, belongs to the field of welding in the machinery industry, and solves technical problems of hydrogen absorption, oxygen absorption and the like of weld joint molten pools during titanium material welding. The device comprises two parts, namely, an upper gas shielding cover and a lower gas shielding tank, wherein the upper gas shielding cover structure comprises a welding torch 1, a hose clamp 2, a tail drag cover 3, a vent pipe 4 and a porous plate 5; the argon arc welding torch can be tightly clamped by the hose clamp 2, the tail drag cover 3 is connected with the hose clamp, and a plurality of small holes are formed in the bottom of the vent pipe 4; the lower gas shielding tank structure comprises a grooved steel plate 6, a porous plate 7 and a gas inlet pipe 8. A usage method of the device comprises steps as follows: a piece of weldment is placed between the upper gas shielding cover and the lower gas shielding tank, argon is fed from upper and lower sides respectively, the argon arc welding torch is fixed according to an operation procedure, the distance between the welding torch and the workpiece is adjusted, and welding is performed after air in the shielding tank is replaced. With the adoption of the device and the method, argon flows stably, the welding joint surface shielding effect is very good, the structure is simple, the cost is low, the manufacturing cost is greatly saved, and production efficiency and quality are improved.

The invention aims at providing an oxygen-absorbing resin which has excellent oxygen absorption performance and which can dispense with the addition of a transition metal catalyst or the irradiation with a radiation. The invention provides an oxygen-absorbing resin which is obtained by polymerizing a raw material containing a monomer (A) having an unsaturated alicyclic structure bearing a carbon-carbon double bond wherein one carbon atom adjacent to the carbon-carbon double bond is bonded to an electron-donating substituent and a hydrogen atom and another carbon atom adjacent to the carbon atom is bonded to a heteroatom-containing functional group or a bonding group derived from the functional group with the electron-donating substituent and the functional or bonding group taking cis-configuration and which contains the unsaturated alicyclic structure in an amount of 0.5 to 10 meq / g; oxygen-absorbing resin compositions containing the above oxygen-absorbing resin; and oxygen-absorbing containers, characterized by having an oxygen-absorbing layer made from the resin or the compositions.

The invention provides an internal oxygen self-absorption safe lithium battery. The lithium battery comprises a positive electrode sheet and a negative electrode sheet. The positive electrode sheet ismade of raw materials in following parts by weight: 90to 97 parts of a positive electrode active material, 0.5 to 4 parts of a positive electrode conductive agent 0.5 to 3 parts of a positive electrode binder and 15 to 70 parts of a positive solvent; the positive electrode sheet further comprises an oxygen absorption additive, wherein the addition amount of an oxygen absorption additive is 0.01%to 10% of the total amount of the positive electrode active material, the positive electrode conductive agent and the positive electrode binder. The internal oxygen self-absorption safe lithium battery of the invention is characterized in that the oxygen absorption additive uniformly mixed in a positive electrode material, when the positive elctrode active material is decomposed and releases oxygen at high temperature, the surrounding oxygen can be quickly captured, the oxygen concentration in the lithium battery when the lithium battery is out of control is reduced, so that the lithium battery cannot meet the ignition conditions, and the lithium battery is prevented from thermal runaway fire.

The invention discloses an air-fuel ratio control device for an internal combustion engine, which can freely change the oxygen absorption amplitude without changing the period and amplitude of the air-fuel ratio vibration that emphasizes the air-fuel ratio feedback performance and torque variation, so as to adapt to or diagnose catalyst degradation. Equipped with: According to the output value (V1) of the upstream air-fuel ratio sensor (13) and the specified control constant, adjust the air-fuel ratio of the main body (1) of the feeder, and make the air-fuel ratio periodically vibrate in the rich direction and the lean direction. An air-fuel ratio feedback control unit (201); and operate the control constant according to the oxygen absorption amount of the catalyst, so that the average air-fuel ratio obtained after averaging the periodically vibrating air-fuel ratio vibrates toward a rich direction and a lean direction. Vibration unit (203).

A method of forming fin field effect transistor (finFET) devices includes forming a plurality of semiconductor fins over a buried oxide (BOX) layer; performing a nitrogen implant so as to formed nitrided regions in a upper portion of the BOX layer corresponding to regions between the plurality of semiconductor fins; forming a gate dielectric layer over the semiconductor fins and the nitrided regions of the upper portion of the BOX layer; and forming one or more gate electrode materials over the gate dielectric layer; wherein the presence of the nitrided regions of upper portion of the BOX layer prevents oxygen absorption into the gate dielectric layer as a result of thermal processing.

The invention discloses a cell suspension culture tank and its usage. Compared with current flat base biological tank, it is characterized by wide- bodied culture tank, converse flat conical bottom, larger culture medium area, benefit for oxygen absorption and carbon dioxide discharge, reduced cell inoculation volume, much lower level of air injection, prolonged air bubble course, regular agitation that makes culture medium contacts with tank wall, and generates small cutting force and mechanical force, and benefit for surface area enlargement, air aeration amount and improved mixing. The disposal plastic or glass shake flask suspension culture system using no complicate control tower and relevant probe, is developed by using design in this invention. The invention aslo relates to large- size industrial biological reactor which is drove by stirring paddle.

A resin composition comprising 70 to 99.9% by weight of ethylene-vinyl alcohol copolymer (A) and 0.1 to 30% by weight of a thermoplastic resin (B) other than the ethylene-vinyl alcohol copolymer (A) is provided. In the resin composition, an ethylene content ETa (mol %) and a degree of saponification SDa (%) of the ethylene-vinyl alcohol copolymer (A) satisfy the following equations (1) and (2): <paragraph lvl="0"><in-line-formula>25<=ETa<=55 (1) < / in-line-formula><paragraph lvl="0"><in-line-formula>90<=SDa<99 (2),and < / in-line-formula>an oxygen absorption rate of the resin composition is 0.01 ml / m2.day or more.

The invention relates to a food fresh-keeping agent, in particular to a food fresh-keeping agent with the function of oxygen absorption. The food fresh-keeping agent is prepared from the following raw materials: 0.5-2 parts by weight of L-sodium ascorbate, 0.5-2 parts by weight of sodium hydrogen carbonate, 0.5-1 part by weight of zeolite, 1-10 parts by weight of ferrous sulfate (containing 7 kinds of crystal water), 1-3 parts by weight of sodium chloride (containing 2 kinds of crystal water) and 1-3 parts by weight of activated carbon. The food fresh-keeping agent has the advantages of scientific formula and simple preparation process and is suitable for keeping the fresh of breads, sausages, cakes, tea leaves, marine products, traditional Chinese medicine and the like. The food fresh-keeping agent is not directly doped in foods, is put in a food container together with a packing material, and can inhibit oxygen below 0.1% so as to inhibit the growth of bacteria without changing the color and the flavor of the foods. The food fresh-keeping agent is a safer food fresh-keeping agent.