36 results about "Oxygen mixture" patented technology

This utility model discloses an oxygen denitrification treatment device for aquaculture water, including a treatment tank. The treatment tank is equipped with a filtration zone, an aerobic biological zone, an anoxic biological zone, and a degassing zone. The filtration zone is filled with quartz sand filter media. The aerobic biological zone contains biological packing material and has a jet aeration ring on its outer wall, which is connected to an ozone-oxygen mixture generator. The anoxic biological zone is filled with porous ceramsite packing material. The degassing zone has a guide plate inside. In this utility model, the aquaculture water can be filtered for suspended particulate matter through the quartz sand filter media. The jet aeration ring can introduce ozone-oxygen mixture gas, which, together with the honeycomb biological packing material, can complete ammonia nitrogen oxidation. The denitrifying bacteria on the surface of the porous ceramsite packing material can convert nitrates into nitrogen gas. Finally, the gas is separated by the guide plate, and the purified water can be discharged from the outlet. Thus, through the above structure, efficient denitrification, oxygenation, and purification of aquaculture water can be achieved, improving water quality treatment efficiency and stability.

The invention relates to medicine, in particular to gerontology and therapy and can be used for treating sarcopenia in elderly patients.Summary of the invention consists in alternating for 1…2 days the intravenous administration of ozonized 0.9% NaCl solution and major autohemotherapy, namely 500 mL of a 0.9% NaCl solution ozonized with an ozone-oxygen mixture, with an ozone concentration of 5…10 µg / mL, are administered, and major autohemotherapy consists in collecting 300…400 mL of venous blood from the patient, which is ozonized, with an ozone concentration of 15 µg / mL and transfused to the patient, the treatment course includes 8…10 consecutive procedures, then it is extended with minor autohemotherapy, which consists in collecting 5…10 mL of venous blood, which is ozonized, with an ozone concentration of 15 µg / mL and administered intramuscularly every 10th day of alternation and includes 3 consecutive procedures, and the ozonized 0.9% NaCl solution is administered for up to 6…8 weeks.

FIELD: neurology; psychiatry.SUBSTANCE: used as a non-pharmacological therapy for autism spectrum disorders in children. The method includes a set of procedures: interval hypoxic-hyperoxic training (HHT), hyperbaric oxygenation and ozone therapy. HHT consists of alternating inhalations of a hypoxic mixture with an oxygen content of 9 to 16 vol.% and a hyperoxic mixture with an oxygen content of 32 to 40 vol.% for a total duration of 45-50 minutes under the control of cardiovascular system parameters. Hyperbaric oxygenation is performed in a pressure chamber under a pressure of 1.3 atmospheres of 100% oxygen mixture, flow of 10 liters per minute, for 45 minutes using a mask. Ozone therapy is performed by rectal insufflation with an ozone-oxygen mixture with an ozone concentration of 85 μg / ml in a volume of 20–30 ml or by intravenous administration of a physiological solution enriched with ozone with an ozone concentration of 85 μg / ml at a rate of 200 ml per 100 ml of physiological solution. The procedures are carried out daily for 12 days.EFFECT: method is effective and has a positive impact on the patient’s condition.1 cl, 1 dwg, 3 ex

The invention provides a zero-emission power circulation and fuel gas supply system and method for an LNG power-driven ship. The system comprises an internal combustion engine, a nitrogen membrane separation device, a heat regenerator, a water separator, a liquid CO2 storage tank, a liquid oxygen pump, an LNG pump, an LNG storage tank, a liquid oxygen storage tank, a CO2 condenser, a circulation compressor, a gas buffer tank, a CO2 separator, a first-stage water cooler and a second-stage intermediate heat exchanger. According to the internal combustion engine, LNG serves as fuel, an argon and oxygen mixture serves as a circulating working medium to replace air and natural gas to be combusted and push a piston to move, water vapor and gas CO2 in waste gas generated by the internal combustion engine are condensed and separated after being subjected to stepped cooling, and CO2 is liquefied through a circulating compressor and recycled to a liquid CO2 storage tank. According to the invention, argon is used for replacing air to realize waste heat recovery of the internal combustion engine, so that the energy efficiency of the system is improved, and meanwhile, CO2 capture and zero emission of gaseous pollutants are realized.

A method and apparatus for diffusing a dopant within a semiconductor device is described. The method includes performing a dynamic surface anneal in which a substrate is placed inside of a process volume with a mixture of an inert gas and a small amount of oxygen gas. The surface of the substrate is then exposed to one or more rapid laser pulses. The rapid laser bursts diffuse dopant from a doped layer into the substrate. The doped layer is formed during a previous process operation. The temperature and number of laser pulses control the amount of diffusion of the dopant into the substrate. Other dynamic surface anneal operations may be optionally performed before or after the oxygenated dynamic surface anneal operation.

The present invention relates to a face mask (also called full face) for respiratory therapy, in particular for non-invasive mechanical ventilation, with a low value of CO2 rebreathing. The mask according to the invention is of the type comprising a shaped shell (11) configured so as to cover at least the mouth, the nose and the eyes of a patient when the mask is worn, and is characterised in that it comprises, on said shaped shell (11) an inlet fitting (17) for the connection to a pipe through which a ventilation apparatus supplies the mask with a mixture of air and oxygen, and an outlet fitting (15), separate from said inlet fitting (17), for the discharge of air exhaled by the patient. With this arrangement, the mask according to the invention allows drastically reducing the phenomenon of carbon dioxide rebreathing, very harmful for the patient subjected to ventilation.

1. Name of the product in this design: Multipurpose oxygen concentrator. 2. Application of this design: This design is used to produce oxygen or an air-oxygen mixture and to monitor specific gas content, temperature, humidity and other indicators in the environment in which it is used. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of medical instruments, and discloses an anesthetic gas anti-inhalation device special for an anesthetist in an operating room, the anesthetic gas anti-inhalation device comprises a hard tube, a baffle is arranged in the hard tube, a sealing strip is fixedly connected to the outside of the baffle, the outside of the sealing strip is arranged in the hard tube, a first liquid inlet hole is formed in the hard tube, and a second liquid inlet hole is formed in the hard tube. The outside of the hard tube is fixedly connected with a branch tube, one end of the hard tube is fixedly connected with a main tube, one end of the main tube is fixedly connected with a mask, a blocking assembly is arranged in the hard tube, the outside of the blocking assembly is arranged outside the baffle, and the blocking assembly comprises a supporting frame. The air bag is extruded through a mixture of anesthetic gas and oxygen, so that the anti-inhalation effect is achieved, the air bag is naturally opened by means of gas pressure, spring pre-tightening force does not need to be overcome, the flow resistance coefficient is far lower than that of a traditional one-way valve, and the gas flow and concentration in a pipeline almost have no deviation from a set value of an anesthesia machine.

The invention relates to the field of water circulation, in particular to a water circulation system applied to long-time hydrogen energy storage, which comprises a pressurizing water catching unit for receiving environmental moisture; an airflow inlet of the deep dehydration unit is communicated with a gas outlet of the pressurized water catching unit; a liquid water inlet of the water purification treatment unit converges with a liquid water outlet of the pressurized water catching unit and a liquid water outlet of the deep dehydration unit; a pure water inlet of the hydrogen production purification unit is communicated with the water purification treatment unit. The device and the method have the beneficial effects that a water-oxygen mixture and a water-hydrogen mixture in the electrolytic hydrogen production process are recovered by capturing environmental moisture, and wet air and hydrogen side exhaust gas generated by hydrogen fuel cell power generation are subjected to cooling separation and deep dehydration treatment, so that liquid water is converged into the raw material water tank and is purified; and long-time cyclic utilization of water resources in the hydrogen energy storage system is achieved, dependence on external water replenishing is remarkably reduced, and the system is suitable for remote unattended areas lacking of water resources.

The invention relates to a method for calibrating a flame monitoring device (10) for a burner device that can be operated at a predetermined power output, in which fuel is supplied to the burner device (12) to generate a flame (14) and in which an ambient air flow (16) is supplied to the burner device (12) to generate a fuel-oxygen mixture, wherein in at least one calibration step (38, 40) a combustion maximum (20) of the flame (14) is exceeded, in which a rich fuel-oxygen mixture is generated at least in the calibration step (38, 40) for a predetermined calibration duration (84) and / or a pulse duration (44). A change in power output during calibration, limited over a predetermined duration (82), is proposed.The invention also relates to a burner device (12) which is at least configured to calibrate the flame monitoring device (10) using the method according to one of claims 1-6.

The invention relates to the field of smelting, in particular to a heating burner structure and a combustion control method, and discloses a heating burner structure and a combustion control method in order to solve the problems that most of existing melting furnaces, especially steel melting furnaces, are used for coking furnace melting and metal material melting, are low in heat efficiency and pollute the environment, and the heating burner structure comprises a combustion chamber and a mixing chamber connected with the combustion chamber, the mixing chamber is sequentially provided with a compressed air inlet pipe, an oxyhydrogen mixed air inlet pipe and a liquefied gas inlet pipe in the gas flow direction, the compressed air inlet pipe extends into the bottom of the mixing chamber, and the oxyhydrogen mixed air inlet pipe extends into one end of the mixing chamber and extends into the combustion chamber; compared with the prior art, the novel energy-saving gas stove has the advantages that new energy is fully utilized, the energy storage effect is achieved, combustion heat is high, products are free of pollution, environment-friendly equipment does not need to be additionally arranged in the production process, and the production and manufacturing cost is further reduced.

The invention relates to the technical field of blast furnace oxygen enrichment, and particularly discloses a blast furnace oxygen enrichment device and an oxygen enrichment energy-saving technology.The blast furnace oxygen enrichment device comprises industrial oxygen production equipment, a ventilation pipe, a first oxygen concentration sensor and a first air blower, the ventilation pipe is arranged on one side of the industrial oxygen production equipment, and the first oxygen concentration sensor is arranged in the ventilation pipe; the device at least has the following beneficial effects that by arranging the homogenizing mechanism and the first air blower, the first air blower can be used for manufacturing air flow, then the homogenizing mechanism can be driven to adjust the hole diameter of the ventilation through hole, and when the first air blower is larger, the ventilation hole diameter is smaller; therefore, oxygen can be mixed more uniformly; through the arrangement of a first oxygen concentration sensor, a first air blower, a concentration adjusting mechanism and a compensation mechanism, the concentration of mixed oxygen can be detected through the first oxygen concentration sensor, and a second oxygen concentration sensor is installed in air exhausted during combustion.

This invention discloses a diving bell gas system and its gas supply method. The gas system includes a diving bell body, a diving bell umbilical cord, a diver's umbilical cord, and a bell-mounted gas supply unit. The diving bell umbilical cord includes a supply gas pipeline and a breathing gas pipeline, which respectively provide high-pressure ambient gas to the diving bell body and breathing gas to the divers. The bell-mounted gas supply unit includes a helium-oxygen cylinder, a liquid nitrogen Dewar flask, and a liquid oxygen Dewar flask. The helium-oxygen cylinder contains a high-pressure helium-oxygen mixture. The outlet pipelines of the liquid nitrogen Dewar flask and the liquid oxygen Dewar flask are connected in parallel to the breathing gas supply pipeline. The nitrogen and / or oxygen supplied are adjusted according to the diving bell's operating depth. The breathing gas supply pipeline and the breathing gas supply pipeline are connected in parallel to the inlet of a manifold. The inlet of the manifold is also connected to the breathing gas pipeline, and the outlet of the manifold is connected to multiple diver's umbilical cords. This invention can flexibly adjust the helium-nitrogen-oxygen ratio according to the diving bell's current operating depth, effectively adapting to the breathing needs of divers at different water depths.

The utility model discloses a water-gas separator for an electrolytic hydrogen production system, which comprises a separator, a partition plate is arranged in the separator, the partition plate is longitudinally distributed in the separator, the upper space of the separator is divided into an oxygen gas-phase space and a hydrogen gas-phase space by the partition plate, and the oxygen gas-phase space is communicated with the hydrogen gas-phase space. A suspension height is formed between the partition plate and the bottom of the separator, a liquid phase space is formed in the lower portion of the separator, liquid is injected into the separator, the partition plate is inserted below the liquid level, so that the oxygen gas phase space and the hydrogen gas phase space are isolated from each other, the position of the partition plate deviates to one side of the separator, and the oxygen gas phase space is larger than the hydrogen gas phase space. The device has the beneficial effects that a hydrogen water-gas separator and an oxygen water-gas separator are combined into one, so that the number of parts of a hydrogen production system is reduced; the design of the separator is simplified, hydrogen and oxygen are separated through an internal structure, and the hydrogen and oxygen are prevented from being mixed to form explosive gas; liquid water contained in the hydrogen and the oxygen is collected by the same container.

Methods and reactor systems are provided for extracting metals, such as nickel, cobalt, and iron, from reduced, activated metal compounds (“feed materials”). Feed materials may be derived from mixed hydroxide precipitate. Feed materials and carbon monoxide gas are delivered into an extraction reactor of a reactor system, such as a shell tube heat exchanger. A flow path therein directs the feed material downward and the carbon monoxide gas upward, enabling contact therebetween, forming at least one metal carbonyl gas and a solid residue therein. The flow path further directs the upward flow of metal carbonyl gases, and the downward flow of the residue. Methods and reactor systems may further purge the residue: using nitric oxide to convert any remaining dicobalt octacarbonyl therein to cobalt tricarbonyl nitrosyl gas; using an inert gas to removing any cobalt tricarbonyl nitrosyl therein; and using an inert gas-oxygen mixture, to form a passivated residue.

The invention relates to the technical field of PEM water electrolysis hydrogen production, in particular to an off-grid wind power PEM electrolytic cell hydrogen production process, which comprises the following steps: monitoring the real-time power of a wind power generation unit and acquiring short-time wind power prediction data, and evaluating the fluctuation risk level according to the power change rate and the fluctuation amplitude; when it is judged that the fluctuation is mild or severe, the management and control system generates a control instruction, the load rate or the operation state of the PEM electrolytic cell set is adjusted, and meanwhile the energy storage unit is managed to conduct charging and discharging so as to stabilize power fluctuation; after the PEM electrolytic cell set utilizes stable electric power to electrolyze and produce hydrogen, high-purity hydrogen is obtained through gas-liquid separation, catalytic deoxidation and adsorption drying, and finally stable-pressure storage is achieved through the pressure buffer container. According to the invention, the risk of hydrogen-oxygen mixed explosion in the process of producing hydrogen by using the fluctuating renewable energy is effectively solved, and the system safety and the operation stability are improved.

A compact portable oxyhydrogen generator has a housing, an end cover fastened on the upper end of the housing for discharging gas, and a bottom cover fastened at the lower end of the housing. A battery module for supplying power, an electrolytic cell module for generating hydrogen / oxygen mixture, a water filtration cell for filtering moisture, and a multi-stage filter baffle for further filtering the gas are sequentially arranged in the housing from bottom to top. A flame retardant core is provided between the filter baffle at the top layer and a gas outlet provided in the end cover. The multi-stage filter baffle is provided according to requirements of a gas filtering index. Water is used as a reaction raw material and an inorganic salt can be used as an electrolyte, such that a normal-pressure hydrogen / oxygen mixture may be to directly generated, and can be produced when needed.

The invention provides an AOD (argon oxygen decarburization) furnace stainless steel smelting top lance which comprises a main gas pipe, a first gas inlet end, a second gas inlet end, a first gas outlet end and a second gas outlet end, a first gas channel is arranged between the first gas inlet end and the first gas outlet end, and a second gas channel is arranged between the second gas inlet end and the second gas outlet end; the reversing assembly is provided with a third gas channel, a fourth gas channel and a switching mechanism for controlling the on-off state of the third gas channel and the fourth gas channel, the switching mechanism can move in the working interval, when the switching mechanism is located at the first position, the third gas channel communicates with the first gas channel, and when the switching mechanism is located at the second position, the third gas channel communicates with the second gas channel through the reversing assembly; and the gas flow direction is changed, so that the top lance only blows out pure oxygen or nitrogen and oxygen are sprayed in a mixed manner, pure oxygen is blown out in a temperature rising period, and nitrogen and oxygen are blown in a mixed manner in a decarburization final period, carbon monoxide in the furnace is reacted, partial pressure of carbon monoxide in the gas in the furnace is reduced, and decarburization efficiency is improved.

This invention discloses a variable flow semi-closed recirculating breathing apparatus and its breathing method. The breathing circuit comprises a human breathing system, an exhalation bag, an absorbent canister, an inhalation bag, and the human breathing system connected in sequence. It includes an oxygen partial pressure sensor connected to the exhalation bag, a constant flow valve and an electronic control valve connected in parallel between the inhalation bag and a nitrogen-oxygen mixture cylinder, and a control unit connected between the oxygen partial pressure sensor and the electronic control valve. The control unit has a pre-stored oxygen concentration setpoint = target maximum oxygen partial pressure / (0.1 * maximum working depth + 1), and the oxygen concentration of the nitrogen-oxygen mixture is higher than the setpoint. The constant flow valve is always open to supply air at the minimum flow rate corresponding to the maximum working depth. The oxygen partial pressure sensor detects the oxygen partial pressure in the breathing circuit in real time. The control unit calculates the oxygen concentration based on the oxygen partial pressure. When the oxygen concentration is lower than the setpoint, the electronic control valve opens, and the breathing circuit replenishes the nitrogen-oxygen mixture until the oxygen concentration increases to the setpoint, at which point the electronic control valve closes.

The invention belongs to the technical field of gas separation, and provides a double-reflux pressure swing adsorption separation method for methane-nitrogen-oxygen mixed gas by a two-stage method. Feeding mixed gas from the bottom of the first-order high-pressure tower, outputting one part of gas extracted from the tower top, and flushing the first-order low-pressure tower with the other part of gas; produced gas at the bottom of the first-order low-pressure tower enters a second-order double tower; after first-order double-tower pressure equalizing, vacuumizing the original high-pressure tower to reduce to low pressure, and raising the original low-pressure tower to high pressure; the two towers exchange time sequences, and pressure swing adsorption is circularly carried out; gas produced from the tower bottom of the first-order low-pressure tower is fed from the tower bottom of the second-order high-pressure tower, at the moment, part of gas output from the tower bottom of the second-order low-pressure tower is output, the other part of gas output from the tower bottom of the second-order high-pressure tower is fed, and gas output from the tower top of the second-order high-pressure tower is circulated back to the first-order low-pressure tower; after second-order double-tower pressure equalizing, vacuumizing the original high-pressure tower to reduce to low pressure, and raising the original low-pressure tower to high pressure; the two towers exchange time sequences, and pressure swing adsorption is circularly carried out. The method can effectively separate the low-concentration mixed gas and improve the utilization rate of methane in the low-concentration methane coal bed gas.

The application relates to the technical field of medical equipment and discloses a closed-loop self-adaptive hydrogen-oxygen mixed gas supply control system and a method thereof. The system integrates a wireless non-contact monitoring module, a double-source collaborative gas supply module, an independent mixing buffer module, a self-designed proportional adjustment module, a multi-stage safety protection module, an AI closed-loop control module and a whole-cycle health management module; the hydrogen-oxygen double-source architecture is adopted to adapt to the high-oxygen demand during human respiration, and safety and energy saving are considered; through the independent mixing buffer module and the disturbance mixing mechanism, gas output fluctuation is eliminated, and stable and uniform gas supply is ensured; relying on wireless non-contact monitoring and AI closed-loop regulation and control, self-adaptive adjustment of the hydrogen-oxygen ratio is realized, and a whole-cycle data management system is simultaneously constructed to support health management and scheme tracing. The application solves the pain points of the existing equipment, such as single adaptability, insufficient safety, unstable gas supply and low intelligent degree, realizes whole-link intelligent regulation and control, and is suitable for hydrogen-oxygen mixed inhalation requirements in multiple scenes.

This invention relates to the field of burners, specifically a hydrogen-based ammonia decomposition reburner. The burner includes a preheating decomposition combustion chamber with an internal cavity; a Brownian gas pipe passes through the chamber wall of the preheating decomposition combustion chamber, with its output end located inside the cavity; a first igniter passes through the chamber wall of the preheating decomposition combustion chamber, with its ignition head near the output end of the Brownian gas pipe; the output end of an ammonia pipe communicates with the interior of the cavity; the input end of a delivery pipe communicates with the interior cavity of the preheating decomposition combustion chamber; and the ignition head of a second igniter is near the output end of the delivery pipe. This burner utilizes the active free radicals generated by a hydrogen flame as a catalyst. By adjusting the ratio of the hydrogen-oxygen mixture produced by water electrolysis to fuel ammonia and the combustion conditions, the combustion of ammonia is converted into the combustion of hydrogen, nitrogen, and possibly undecomposed ammonia. This technology aims to improve combustion efficiency, reduce nitrogen oxide emissions, and improve overall energy utilization. This invention also proposes a method for hydrogen-based ammonia decomposition reburning.

A method for breaking down a mixture, which is present in the form of solid particles, consisting of: (A) 0 to 99% by weight of metallic ruthenium, (B) 0 to 50% by weight of at least one element other than ruthenium, which is present in elementary form, selected from the group of elements of the atomic numbers 13, 21-30, 39-42, 45-52, and 72-83, (C) 0 to 99% by weight of ruthenium oxide, (D) 0 to 70% by weight of at least one solid element oxide other than ruthenium, (E) 0 to 30% by weight of at least one inorganic substance other than (A) to (D), and (F) 0 to 3% by weight of at least one organic substance, wherein the sum of the % by weight of the compounds (A) to (F) is 100% by weight and the ruthenium content of the mixture is 2 to 99% by weight, and wherein the method comprises the steps of: (1) optionally mixing said mixture with alkali carbonate by forming a blend, (2) alkaline oxidizing breakdown of the mixture or of the blend, respectively, formed in optional step (1) into molten potassium hydroxide using a gaseous oxidizing agent selected from the group consisting of air, oxygen, and air / oxygen mixtures, and without use of nitrate, and (3) cooling down the breakdown material formed in step (2) to a temperature below its solidification temperature, wherein the gaseous oxidizing agent is introduced into the melt in step (2).

The invention relates to a method for calibrating a flame monitoring device (10) for a burner device that can be operated at a predetermined power output, in which fuel is supplied to the burner device (12) to generate a flame (14) by means of a measuring signal (56) and in which an ambient air flow (16) is supplied to the burner device (12) to generate a fuel-oxygen mixture, wherein in at least one calibration step (38, 40) a combustion maximum (20) of the flame (14) is exceeded, in which a rich fuel-oxygen mixture is generated at least in the calibration step (38, 40). It is proposed that, as the flame monitoring device (10) ages, the evaluation method changes from a double peak to a switching peak.The invention also relates to a burner device (12) which is at least configured to calibrate the flame monitoring device (10) by means of the method.

This invention discloses a method for preparing silicon nitride and silicon oxynitride thin films by hot-wire assisted atomic layer deposition (ALD). A pretreated substrate is placed in a reaction chamber, and a SiH4 / H2 mixture and NH3 or NH3 / N2O mixture are alternately introduced according to the ALD sequence. Two independent hot wires are sequentially adjusted to achieve a surface temperature of 1600-2150°C for the silane-specific hot wire and 700-1200°C for the ammonia or nitrogen-oxygen mixture-specific hot wire. Silicon active groups, pyrolyzed by the high-temperature hot wire, are alternately deposited onto the substrate surface with nitrogen or nitrogen-oxygen active groups, and a reaction occurs. A moving carriage carrying the substrate reciprocates to obtain a highly dense monolayer thin film. By controlling the number and sequence of ALD cycles, a predetermined Si thickness can be obtained. x N y or SiO x N y and Si composite structure x N y / SiO x N y Thin films. This method significantly improves the overall passivation effect of the thin film surface and interface, has strong process adaptability, and produces stable film quality.

The invention relates to the technical field of hydrogen production, and discloses a novel hydrogen production device which comprises a base, a reaction chamber installed at the top of the base, a supporting frame installed at the bottom of the base, and a gas collecting chamber arranged on one side of the reaction chamber and used for mixing hydrogen and oxygen. A first density layering tower and a second density layering tower which are used for allowing mixed gas of hydrogen and oxygen to stand are arranged on one side of the gas collection chamber, a combined electrode is installed at the bottom of the inner wall of the reaction chamber, and the combined electrode adopts the special design of positive and negative electrodes and a porous insulating layer, so that the hydrogen production device can perform water electrolysis under low voltage; by means of the design, the electrolytic efficiency is improved, energy consumption is reduced, the cost of hydrogen development and utilization is greatly reduced, the foundation is laid for follow-up large-scale development and utilization of hydrogen, meanwhile, the hydrogen and the oxygen can be layered inside through the first density layering tower and the second density layering tower, the hydrogen is located on the upper portion, and the oxygen is located on the lower portion; and subsequent conveying and use are facilitated.

The invention discloses a hydrogen exchange pipeline quick-change automatic connecting mechanism, and relates to the field of vehicle hydrogen exchange, the hydrogen exchange pipeline quick-change automatic connecting mechanism comprises a mounting seat arranged on a hydrogen supply module and a base arranged on a vehicle-mounted bracket, a shell main body is arranged between the mounting seat and the base, the mounting seat is provided with a plug-in assembly used for being plugged in the shell main body, and the plug-in assembly is arranged on the base. The shell body is provided with a locking mechanism used for locking the plug-in assembly, the shell body is further provided with an unlocking mechanism used for unlocking the plug-in assembly, a one-way valve is arranged in the shell body, the one-way valve is communicated with a connecting pipe, and the connecting pipe is communicated with the plug-in assembly. And the connecting pipe is provided with a control piece for controlling hydrogenation or hydrogen-oxygen mixture discharge operation. The hydrogen exchange pipeline can be rapidly and automatically connected and separated, hydrogenation and hydrogen discharge operation can be conveniently controlled, the locking state can be visually observed, and the convenience and safety of hydrogen conveying connection are improved.

A method and apparatus for diffusing a dopant within a semiconductor device is described. The method includes performing a dynamic surface anneal in which a substrate is placed inside of a process volume with a mixture of an inert gas and a small amount of oxygen gas. The surface of the substrate is then exposed to one or more rapid laser pulses. The rapid laser bursts diffuse dopant from a doped layer into the substrate. The doped layer is formed during a previous process operation. The temperature and number of laser pulses control the amount of diffusion of the dopant into the substrate. Other dynamic surface anneal operations may be optionally performed before or after the oxygenated dynamic surface anneal operation.