144 results about "Nitric Oxide / Nitrogen" patented technology

Systems and methods for delivering a gas, such as nitric oxide, are provided. In some embodiments, systems and methods are provided for delivering a gas, such as nitric oxide, in the form of nanobubbles and / or a dissolved gas using a liquid medium.

The invention discloses a method and system for calculating the excess air coefficient of a pure hydrogen fuel internal combustion engine, and the method comprises the steps: obtaining the oxygen concentration in the intake air of the pure hydrogen fuel internal combustion engine; and the hydrogen concentration, the oxygen concentration and the nitric oxide concentration in exhaust gas of the pure hydrogen fuel internal combustion engine are obtained. And calculating the excess air coefficient of the pure hydrogen fuel internal combustion engine by solving a material balance equation set according to the oxygen concentration in the intake air and the hydrogen concentration, the oxygen concentration and the nitric oxide concentration in the exhaust. Therefore, according to the calculation method for the excess air coefficient of the pure hydrogen fuel internal combustion engine, the calculation accuracy of the excess air coefficient is improved, and therefore the combustion efficiency and the emission control effect of the hydrogen internal combustion engine are optimized.

The invention belongs to the technical field of third-generation semiconductor material defect control. According to the method for eliminating the silicon carbide small stacking fault based on high-temperature oxidation, a silicon carbide substrate is scanned and represented in a photoluminescence mode, and the target small stacking fault is accurately recognized and positioned; cleaning the substrate to remove surface impurities, performing high-temperature oxidation treatment in a dry oxygen atmosphere, and growing an oxide layer under control; constructing a composite interface stress field at an interface by utilizing thermal expansion coefficient mismatch and reaction molar volume expansion between the oxide layer and the substrate, and driving target stacking fault atom arrangement to generate directional reconstruction, so that the target stacking fault atom arrangement is converted into a matrix standard sequence; and finally, nitric oxide auxiliary annealing is carried out, and the reconstructed lattice configuration is solidified by utilizing a nitrogen passivation effect. The method is simple in process and high in compatibility, small stacking fault can be efficiently and stably eliminated, the silicon carbide substrate crystal quality is remarkably improved, and a guarantee is provided for preparation of a high-reliability power device.

A topical application of nitric oxide may be provided by two separate containers, each containing an active component media to produce nitric oxide when combined. For example, a nitrite component media may be contained in one dispenser and an acidified component media may be contained in another dispenser. Each dispenser may dispense the respective component media as a foam or a solution. They can be combined to initiate the production of nitric oxide and the mixture of resultant foam is applied topically to treat various skin disorders or wounds.

Systems and methods for nitric oxide generation are provided. In an embodiment, an NO generation system can include a controller and disposable cartridge that can provide nitric oxide to two different treatments simultaneously. The disposable cartridge has multiple purposes including preparing incoming gases for exposure to the NO generation process, scrubbing exhaust gases for unwanted materials, characterizing the patient inspiratory flow, and removing moisture from sample gases collected. Plasma generation can be done within the cartridge or within the controller. The system has the capability of calibrating NO and NO2 gas analysis sensors without the use of a calibration gas.

The present invention discloses an ammonia oxidation process and a method for recovering Rh from a gas phase comprising volatile precious metals, comprising the steps of: a) generating or providing volatile precious metals, particularly by operating a catalytic system comprising a catalyst, wherein the catalyst contains precious metals, wherein the precious metals at least comprise Rh, wherein the volatile precious metals comprise at least volatile Rh; b) contacting volatile Rh generated in step a) with a recovery system comprising a compound of formula Co3-xMxO4, where M is Fe or Al and x = 0-2; and c) forming a solid composition comprising the compound of formula Co3-xMxO4 and Rh, wherein the compound of formula Co3-xMxO4 is bonded with Rh, particularly as determined by SEM-EDS and TEM analysis. The present invention further relates to the use of the compound of formula Co3-xMxO4, where M is Fe or Al and x = 0-2, or the use of the recovery system, for recovering at least volatile Rh.

The utility model discloses a reaction device for normal-pressure leaching of nitric acid, which is characterized in that in the reaction process, nitric oxide in a reaction kettle enters an absorption tower through a nitric oxide exhaust outlet, a first pipeline and a nitric oxide gas inlet, and an oxygen supply device supplies oxygen to the absorption tower; an absorption liquid circulating pump I conveys an absorbent in the absorption tower circulating device to an absorbent circulating inlet I and enters the absorption tower, the absorbent absorbs nitric oxide gas to form nitric acid, nitric oxide released in the process reacts with oxygen to generate nitrogen dioxide, and the nitrogen dioxide reacts with the absorbent to generate nitric acid; according to the device, nitrogen oxide gas generated in the reaction process can be absorbed, the obtained absorption acid (nitric acid) can be cyclically applied to the leaching reaction, and tail gas can be discharged after reaching the standard. And the method is environment-friendly.

The present application relates to a kind of purification method of nitric oxide gas, comprising the following steps: crude nitric oxide gas is imported into extraction column, and the extraction phase obtained after extraction is imported into resolution column for temperature resolution;Nitric oxide gas resolved is imported into ethanol absorption tower after alkali washing tower and condenser;Again imported into the adsorption tower filled with 13X molecular sieve;After adsorption, the gas is collected into product collection bottle, and the purity of more than 99.99% nitric oxide product is obtained.The present application uses ferrous sulfate solution as extractant, extracts refined nitric oxide, realizes the efficient extraction of nitric oxide by the coordination reaction of ferrous ion and nitric oxide in the purification process, then uses ethanol as absorbent, utilizes the significant difference in solubility of nitric oxide and nitrous oxide in ethanol, can selectively absorb the nitrous oxide impurity difficult to remove, finally uses 13X molecular sieve to further remove nitrous oxide, which is beneficial to reduce disproportionation reaction and improve product purity.

This invention provides a nitric oxide generating device and a method for manufacturing the same. [Solution] In an exemplary method, a solution is introduced into the lumen of a nitric oxide permeable polymer object. The solution contains a solvent and S-nitroso-1-adamantanethol dissolved in the solvent. The solution is immersed in the lumen of the nitric oxide permeable polymer object for a maximum of 12 hours. The solution is then removed from the lumen of the nitric oxide permeable polymer object.

The present disclosure describes systems and methods for controlling the electrical generation of nitric oxide. In some aspects, a system for generating nitric oxide comprises a plasma chamber housing two or more electrodes in communication with a resonant high voltage circuit configured to send a signal to the plasma chamber for generating nitric oxide in a product gas from a flow of a reactant gas, and a controller configured to generate a pulse width modulation signal having multiple harmonic frequencies to excite the resonant high voltage circuit. The controller is configured to adjust the duty cycle of the pulse width modulation signal, the controller selecting the duty cycle based on a target voltage before plasma formation and a target current after plasma formation in the plasma chamber.

The application discloses a method for generating nitric oxide gas, and belongs to the field of gas preparation and medical treatment, and is characterized in that the method for generating nitric oxide gas is to mix liquid medicament with solid medicament, to make the liquid medicament and the solid medicament react chemically, so as to generate nitric oxide gas with a certain concentration, the effective component of the solid medicament is nitrosyl iron sulfate, and the liquid medicament is one or a mixture of several kinds of alkali solution or slurry and salt solution or slurry. The application further discloses a corresponding device for generating nitric oxide gas.

A transdermal formulation for the delivery of a nitric oxide booster or nitric oxide precursor to a subject is provided. The formulation can be applied to the treatment of various diseases or conditions by enhancing systemic level of nitric oxide.

The application discloses a preparation method of a copper-tin alloy catalyst and application of the copper-tin alloy catalyst in ammonia synthesis. A three-electrode system is adopted, a certain mass of copper salt and tin salt is dissolved in water, an acid solution with a certain concentration is added and is continuously stirred, a certain current density is applied at a cathode, and finally the electrodeposited catalyst is filtered and dried to obtain a dendritic nano Cu6Sn5 alloy catalyst. The application is used for electrocatalytic reduction of nitrogen monoxide to synthesize ammonia, the NH3 Faraday efficiency reaches more than 95% in a flow phase electrolytic cell, the highest current density reaches 1 A cm ‑2 , and the ammonia production rate is about 8 mmol cm ‑2 h ‑1 ; in a membrane electrode electrolyzer, the highest current density reaches 4 A cm ‑2 , and the ammonia production rate is 24.4 mmol cm ‑2 h ‑1 .

The present invention relates to nitric oxide generating compositions, kits, and combinations for the treatment, improvement, or prevention of respiratory diseases or disorders, and to methods for treating, improving, or preventing such diseases or disorders using such compositions, kits, and combinations.

The present invention relates to a method for removing nitric oxide, nitrogen dioxide, and nitrous oxide from an exhaust gas stream obtained during nitration, the method comprising: (a) removing nitric oxide and nitrogen dioxide from the exhaust gas stream by adding an oxygen-containing gas to the exhaust gas stream to oxidize the nitric oxide in the gas stream to form nitrogen dioxide, thereby obtaining a nitric oxide-deficient gas stream; (b) washing the nitric oxide-deficient gas stream with water to obtain a nitric oxide- and nitrogen dioxide-deficient gas stream; and (c) converting the nitrous oxide in the nitric oxide- and nitrogen dioxide-deficient gas stream into nitrogen and carbon dioxide, and optionally oxygen, in the presence of a nitrous oxide reduction catalyst and in the presence of hydrogen cyanide.

A device for determining measurement values describing the function of the lungs or the respiratory system of a patient includes a mouthpiece including a tube for introducing respiratory air and for sucking in air, and a gas measurement space. At least one of the following gas sensors is arranged in the gas measurement space: nitrogen monoxide sensor, carbon dioxide sensor, oxygen sensor, carbon monoxide sensor, multi-gas sensor, sensor for volatile organic compounds, alkane sensor, infrared sensor, fiber optic sensor, resistance sensor, and semiconductor sensor. The gas measurement chamber is separated by a closable opening into a first gas measurement chamber and a second gas measurement chamber, the second gas measurement chamber being closed or closable. The closable opening opens a flow path from the first gas measurement chamber into the second gas measurement chamber. A gas sensor is arranged in the second gas measurement chamber.

Disclosed are a 14-chloro-β-elemene nitric oxide donor derivative and a preparation method and use thereof in the preparation of anti-tumor drugs. The 14-chloro-β-elemene nitric oxide donor derivative has a general formula shown in formula (I): in formula (I): R1 represents a linear or cyclic alcohol amine structure containing nitrogen and oxygen atoms; and each of R2 and R3 is independently selected from the group consisting of C1-10 alkyl, C3-12 cycloalkyl, C6-12 aryl, 5- to 10-membered cyclic heteroaryl, C2-10 alkenyl, C2-10 alkynyl, and C2-10 alkoxy.

The invention provides a preparation method and application of a mullite catalyst. The mullite catalyst contains SmMn2O5, the mullite catalyst has a porous structure, and the porous structure is obtained by removing silicon oxide in the mullite catalyst and / or on the surface of the mullite catalyst. The mullite catalyst has a high specific surface area, exposes abundant active sites, has excellent catalytic activity and stability in diesel vehicle tail gas purification, can efficiently and synergistically remove hydrocarbon, nitric oxide and carbon monoxide, has excellent catalytic activity in multi-pollutant synergistic removal, and can be applied to the field of diesel vehicle tail gas purification. The catalyst can be effectively applied to diesel vehicle tail gas purification.

A gas delivery device includes a nitric oxide generating system. The system has a medium including a nitrite ion source. The working electrode is in contact with the medium. The Cu (II)-ligand complex is in contact with the working electrode. The reference / counter electrode, or the reference electrode and the counter electrode, is in contact with the medium and separated from the working electrode. An inlet conduit is used to deliver nitrogen to the medium and an outlet conduit is used to deliver nitrogen and a nitric oxide stream from the medium. An inspiratory gas conduit is operatively connected to the outlet conduit to introduce the oxygen-containing gas and form an output gas flow of the gas delivery device.

The invention discloses a method for circularly absorbing nitric oxide in flue gas of an industrial furnace through potassium manganate. The method comprises the following steps: introducing NO-containing flue gas into a mixed solution of KOH and K2MnO4 for absorption, and converting NO into nitrate by using Mn (II) complexation and K2MnO4 oxidation; filtering the absorption tail liquid to obtain MnO2, and crystallizing the filtrate to obtain sylvite; mnO2 and sylvite are fused, oxygen is introduced, K2MnO4 is regenerated, and K2MnO4 is recycled; nOx generated in the regeneration process returns to the hearth and is reduced into N2. According to the method, an absorption-oxidation-regeneration-reduction closed-loop system is formed, the technical problems of low NO mass transfer efficiency, high oxidant / complexing agent consumption, high operation cost, secondary pollution and the like in the existing denitration technology are solved, efficient removal (the efficiency is greater than 95%) and resource circulation of NOx are realized, and the method has the advantages of low cost and no secondary pollution.

Embodiments of nitric oxide (NO) generation apparatuses, systems, and methods are provided. In some embodiments, an NO generation apparatus may include a reaction chamber having a liquid region and a gas region. The liquid region may be configured to contain a reaction medium and the gas region may be configured to contain a product gas comprising NO. The NO generation apparatus may also include a plurality of electrodes disposed in the reaction medium, and may include an energy source electrically connected to the plurality of electrodes and configured to apply a predetermined voltage or a predetermined current to at least one of the plurality of electrodes to generate NO. The NO generation apparatus may also include an inlet circuit configured to receive a carrier gas, and may include at least one sparger in fluid communication with the inlet circuit and configured to emanate bubbles of the carrier gas in the reaction medium.

The present invention relates generally to nitric oxide-releasing suppositories and methods for their use. According to some embodiments of the present invention, a nitric oxide (NO)-releasing suppository (e.g., vaginal suppositories) is described. Some embodiments relate to compositions, kits, and / or methods for treating and / or preventing an infection (e.g., a viral infection). In some embodiments, a method is provided for treating and / or preventing a viral infection in a subject in need.

Disclosed herein is a system and method comprising an apparatus for delivering a therapeutic amount of nitric oxide to a subject, the apparatus comprising at least one air inlet; a first receptacle configured to host a first source of nitric oxide; a second receptacle configured to host a second source of nitric oxide; a control unit configured to communicate with the first receptacle and the second receptacle and to selectively couple the at least one air inlet to at least one of the first receptacle or the second receptacle to deliver the nitric oxide from the first or the second source; a first outlet coupled to the first receptacle to deliver nitric oxide; and a second outlet coupled to the second receptacle to deliver nitric oxide. The first source can be provided to a ventilator and the second source can be provided to an ECMO device.

The sterilization systems and methods presented herein include a reaction vessel in which nitric oxide is generated on demand from a nitric oxide donor in solution, and the nitric oxide so generated is moved from the reaction vessel through a surge vessel into a sterilization chamber via a negative pressure gradient, where residual nitric oxide is then adsorbed or catalytically destroyed.

The present invention relates to nitric oxide producing compositions, kits and combinations for treating, ameliorating or preventing respiratory diseases or disorders, and methods of treating, ameliorating or preventing such diseases or disorders with the compositions, kits and combinations.

Nitric oxide precursors for providing nitric oxide are provided. The nitric oxide precursors comprise a reaction product of a thiolactone, a primary amine, and a nitrosating compound. The nitric oxide precursors are capable of decomposing to form nitric oxide.

A bottom of a trench is an Si plane or a C plane while sidewalls of the trench are an m-plane. In the trench, a gate electrode is provided via a gate insulating film. The gate insulating film is a HTO film with a thickness of at least 50 nm. By a post-HTO-deposition annealing at a temperature in a range of 1250 degrees C. to 1300 degrees C. under a mixed gas atmosphere containing nitric oxide, nitrogen, and oxygen, the film density of the gate insulating film is within a range of 2.21 g / cm3 to 2.38 g / cm3. The total oxygen flow amount of the mixed gas atmosphere of the post-HTO-deposition annealing is at most 5%. The gate insulating film has a two-layer structure including a low-density film that is within 3 nm from a SiC / SiO2 interface and has a relatively low film density, and a high-density film that is at least 3 nm apart from the SiC / SiO2 interface and has a relatively high film density.

The preparation method comprises the following steps: A, preparing a carrier blank, and roasting the carrier blank to obtain a carrier; b, soaking the carrier in a solution containing active components, and drying to obtain a first precursor; c, oxidizing and calcining the first precursor to obtain an adsorption precursor; and D, carrying out ion replacement on the adsorption precursor, and fully drying. The method disclosed by the invention is simple in preparation, wide in raw material source, good in safety, low in noble metal demand and relatively good in catalytic activity and catalytic selectivity.