81 results about "Noble gas" patented technology

The present invention relates to a coated cutting tool (1) for metal machining comprising a cemented carbide substrate body (5) and a coating (6) comprising a layer of a metal nitride, there is an uppermost part of the cemented carbide substrate body (5) wherein there are uppermost WC grains adjacent to the coating (6), there is an intermediate zone between an uppermost part of said WC grains and the coating (6) comprising a peak of Me3 intensity in an EDX line scan made from within the coating (6) into a WC grain perpendicular to the surface plane of the WC grain, Me3 is one of Ti, Cr, Zr, Mo, Nb and V, the average content of Me3 within + / - 10 nm from the Me3 max peak position is from 2 to 30 at%, the Me3 within + / - 1.0 nm from the Me3 max peak position in the EDX line scan is present as a metal nitride or carbonitride, the average content of any noble gas element or combination of noble gas elements, within + / - 1.0 nm from the Me3 max peak position in the EDX line scan, is ≤0.6 at%.

An apparatus for extracting and utilizing noble gases from carbonate rock includes a container body. A gas-solid separation assembly defines filter pores, and a diameter of each filter pore is micrometer-scale. A mechanical crushing assembly is disposed at a bottom of the gas-solid separation assembly, and is configured to crush a carbonate-rock sample until particles each have a size on the order of micrometers or larger. The gas-solid separation assembly is elastic. The particle deposition device is disposed inside a crushing chamber. The particle deposition device includes connecting ropes and spheres. The connecting ropes are fixed to an inner wall of the crushing chamber, and the spheres are fixed to the connecting ropes. This apparatus not only avoids the generation of large quantities of impurity components, but also separates solid carbonate-rock sample particles from the noble gases, enabling effective extraction of the noble gases from the carbonate-rock sample for utilization.

The present disclosure relates to a method for monitoring failure of coated particles in fuel elements in a core of a pebble-bed high-temperature gas-cooled reactor, which is related to the technical field of nuclear reactor engineering and includes the following steps: S11, calculating an inventory of a short-lived noble gas fission nuclide; S12, obtaining a ratio of a release rate to a birth rate of the short-lived noble gas fission nuclide based on a temperature of the fuel elements using a Booth diffusion and release model; S13, deriving a theoretical expression for an activity concentration of the short-lived noble gas fission nuclide in a primary circuit using a migration model of the nuclide in the primary circuit; S14, obtaining an experimental measurement value of the activity concentration of the short-lived noble gas fission nuclide in the primary circuit at a sampling moment by gas sampling; S15, optimally calculating a failure fraction of the coated particles in the fuel elements and a share of uranium contamination in the matrix graphite in the core based on the theoretical expression and the experimental measurement value. The present disclosure can provide key parameters for the performance and status of the fuel elements in the core, which are required for radiation safety studies, source term calculations and accident analysis of the pebble-bed high-temperature gas-cooled reactor.

The invention discloses a gas dehydration system and a gas dehydration process. The gas dehydration system comprises a combustion chamber, a filtering device, a cooling tower, a dehydration device and a first filling device. The combustion chamber is used for combusting raw material gas to obtain first mixed gas, the filtering device is used for filtering the first mixed gas to obtain second mixed gas, and the second mixed gas comprises Xe, Kr and H2O; the cooling tower is provided with a first gas inlet, a first gas outlet and a second gas outlet, the filtering device is communicated with the first gas inlet, the cooling tower is used for separating Kr in the second mixed gas to obtain liquid mixed gas, and the liquid mixed gas flows out of the cooling tower through the second gas outlet; the dehydration device comprises a cooling tank and a first adsorption assembly, the cooling tank is communicated between the second gas outlet and the first adsorption assembly, the cooling tank is used for condensing H2O in the liquid-state mixed gas, and the first adsorption assembly is used for adsorbing H2O in the liquid-state mixed gas. The water content of the rare gas can be reduced to 0.1 ppm or below.

The application discloses a kind of hyperpolarized inert gas FID signal resonance frequency accurate measurement method, belong to atomic molecule and optical physics, signal detection and analysis field.For the FID signal of hyperpolarized inert gas, since signal itself oscillation decay with time, the length of sampling time is limited therefore the resolution of spectrum is limited, in turn, the precision of magnetic field measurement is influenced.The present application significantly improves the frequency resolution by refining spectrum and frequency estimation in succession, and has important significance for improving the precision of magnetic field measurement.

The invention relates to a container (100), comprising a liquid phase of a composition of dimpropyridaz (103); and a gas phase (102), containing a noble gas, nitrogen, or carbon dioxide, wherein the oxygen concentration in the gas phase is up to 15% vol. / vol. It also relates to the use of the gas phase (102) for protecting the composition of dimpropyridaz from agglomeration; and to a process for manufacturing the container (100).

Device (1) for generating electromagnetic radiation, comprising a wire helix (3) consisting of a wire, which is arranged in a tube (5) with a wall (7) transparent to electromagnetic radiation of a predetermined wavelength, wherein the tube (5) is closed at the ends (5a, 5b) and forms a closed space (5c) in which the wire helix (3) is arranged and which is filled with a noble gas or a noble gas mixture, wherein the wire helix (3) is formed at least over a predetermined section (11) as two mutually rotating, interlocking helices with a common central axis (12).

A method of metal gapfill including depositing a metal layer on a dielectric layer present on a field and / or in an opening of a feature via plasma enhanced atomic layer deposition utilizing a metal halide precursor and a plasma comprising hydrogen and a noble gas; and depositing a metal gapfill material on the field and in the opening directly over the metal layer, wherein the metal gapfill material completely fills the opening.

A processing apparatus comprises a processing chamber, a gas supply source, a first excitation light source and a second excitation light source. The gas supply source is configured to supply noble gas and a processing gas into the processing chamber. The first excitation light source is configured to irradiate the processing chamber with first excitation light to excite the noble gas to a first excited state. The second excitation light source is configured to irradiate the processing chamber with second excitation light to excite the noble gas in the first excited state to a second excited state.

The present application relates to a kind of inertial measurement method based on alkali noble gas mixed spin ensemble, which can accurately realize the measurement of weak angular velocity.The method measures the equivalent magnetic field of two kinds of nuclear spins (such as 3 He and 21 Ne) in situ by alkali electron spin, and further obtains the nuclear spin precession frequency directly related to magnetic field and angular velocity, compares the frequency of two kinds of nuclear spins to eliminate the response of magnetic field, and combines the light pulse sequence to reverse the equivalent magnetic field of alkali metal, reduces the system error caused by it.The method of the present application is reasonable, simple in experimental operation, suitable for mixed spin ensemble, and can realize the accurate measurement of angular velocity, and provides a basis for the development of high-precision inertial measurement device.

busbar (100), wherein the busbar (100) forms a receptacle (102) for a cooling cell (104) and the cooling cell (104) is arranged in the receptacle (102), wherein the receptacle (102) is configured to thermally couple the cooling cell (104) to the busbar (100), wherein a heat storage medium (300) is arranged in an interior space (208) of the cooling cell (104) and the cooling cell (104) is configured to passively temperature control the busbar (100), wherein the heat storage medium (300) incompletely fills the interior space (208), wherein a remaining volume of the interior space (208) is filled with a noble gas (304).

The invention relates to a device and a method for purifying radioactive inert gas in local space, the device comprises a plurality of groups of adsorption beds, each adsorption bed is internally provided with a coil pipe for a cold source or a heat source to flow so as to control the temperature of the adsorption bed, and the periphery of the coil pipe is filled with an adsorption medium to detain the inert gas; the retention bed is arranged on one side of the exhaust port of the equipment and is used for secondarily adsorbing and recycling the radioactive inert gas separated out from the adsorption bed in the reverse desorption process; the cold water tank and the compressor are used for providing a low-temperature environment and a high-pressure environment for the adsorption bed in the forward adsorption process, providing a working environment for the adsorption bed and promoting adsorption and recovery of inert gas in the to-be-purified gas; the hot water tank and the vacuum pump are used for providing a temperature environment and an airflow environment for the adsorption bed in the reverse desorption process; and automatic control: controlling a plurality of groups of adsorption beds to alternately perform forward adsorption and desorption, and circulating. The device has the advantages of being high in treatment efficiency, small in occupied area and suitable for large-flow radioactive waste gas treatment.

A method for processing an object for lithography comprising: Providing a first gas comprising first molecules; Providing a particle beam on a working area of the object for removing a first material (A) in the working area based at least in part on the first gas; wherein the first material comprises chromium and nitrogen, and wherein the first material comprises at least 1 atomic percent nitrogen, preferably at least 5 atomic percent nitrogen, more preferably at least 10 atomic percent nitrogen, most preferably at least 20 atomic percent nitrogen; wherein the first molecules comprise a halogen compound; wherein the halogen compound comprises a noble gas halide; Providing a second gas comprising second molecules, wherein the removal of the first material is further based at least in part on the second gas; wherein the second molecules comprise an oxygen-containing component; wherein the first material comprises chromium nitride.

A passivation process for a lithium metal anode includes subjecting lithium metal to a passivation gas having the following composition: two or more gases selected from the group consisting of CO2, O2, H2O, N2, HC, CO, H, He, F, and SiH4; and optionally, a noble gas. The passivation gas reacts with the lithium metal to form a passivation layer on the lithium metal that is less than ten microns in depth.

The invention relates to a hydrogen storage power plant (1) comprising:in order to produce hydrogen (H2) from methane or natural gas, a pyrolysis device for methane pyrolysis and / or natural gas pyrolysis and / or a plasmalysis device (6) for methane plasmalysis and / or natural gas plasmalysis; -a storage device (11), which is coupled on the output side to the pyrolysis device, for storing the hydrogen (H2) or a storage device (11), which is coupled on the output side to the plasmalysis device (6), for storing the hydrogen (H2); anda hydrogen combustion engine (12) which is coupled on the outlet side to the storage device (11) and has a closed noble gas circuit (12.1) for circulating noble gas, which noble gas circuit leads from an outlet channel (12.2) of the hydrogen combustion engine (12) via a circulation path to an inlet channel (12.3) of the hydrogen combustion engine (12) and guides a noble gas (EG) from the outlet channel (12.2) via the inlet channel (12.3) into a combustion chamber of the hydrogen combustion engine (12). The invention also relates to a method for operating such a hydrogen storage power plant (1).

The invention provides a mantle source volatile component content estimation method, and belongs to the technical field of rare gas geochemical research. The estimation method comprises the following steps: acquiring sampling data of a target area; dividing the target area into the center, the middle part and the outer part of a structure-thermal response area according to the sequence of the carbon dioxide content of the non-hydrocarbon gas in the associated natural gas from large to small; respectively calculating the curtain-source volatile component source carbon dioxide specific gravity of each region; and calculating the content of the curtain-source volatile component in the target area according to the specific gravity of the carbon dioxide source of the curtain-source volatile component and the content of the carbon dioxide in the non-hydrocarbon gas in the associated natural gas in the corresponding area. Different methods are adopted for different carbon dioxide content areas to calculate the carbon dioxide proportion of the curtain source volatile component source, and the accuracy of estimating the curtain source volatile component content is effectively improved. Therefore, the migration range of the mantle-source volatile component can be more accurately determined, the exploration range is accurately delimited for developing helium and hydrogen strategic resources in an oil and gas field, and the exploration risk is reduced.

A sputtering method according to the present disclosure involves performing sputtering on a substrate (10) by using an Yb oxide as a target material (200) in a state in which the pressure in a chamber (110) filled with a noble gas is set to 2 Pa or higher.

Embodiments of the present disclosure generally relate to methods of plasma curing a dielectric material layer formed on a substrate. More specifically, the methods disclosed herein utilize a xenon (Xe) containing gas to generate a plasma that allows for greater dielectric compositional modulation. In some embodiments, a method of curing a substrate includes depositing a dielectric film onto a substrate to form a dielectric layer on a surface of a substrate, and performing a plasma cure operation on the formed dielectric layer. The plasma cure operation includes generating a plasma over a surface of the formed dielectric layer by delivering a RF power to a plasma process gas. The plasma process gas include Xe and H2.

A system comprising a pumping system configured to pump respective exhaust gases from each of a plurality of chemical etching process chambers and to combine the exhaust gases to provide a combined exhaust gas, and a noble gas recovery system configured to process the combined exhaust gas to remove one or more noble gases therefrom.

As one way of preparing for global cooling, we will provide a nuclear reactor that requires less investment capital, is based on the premise that population density will decrease due to population decline, and it is unknown when, where, and what scale an earthquake will occur, and of course does not require a final disposal site, and can convince the media and local residents by reducing the amount of spent nuclear fuel from light water reactors. [Solution] A nuclear reactor in which a large number of allowable alloy-containing nuclear fuel rod assemblies 1, each consisting of a large number of allowable alloy-containing nuclear fuel rods made of heavy noble gas coolant and allowable enrichment plutonium alloy, are arranged in a square lattice pattern in the core of an existing BWR.

To provide a vent system for a nuclear reactor containment vessel that can prevent emission of noble gas to the atmosphere by using a vent system, and can prevent an increase in the amount of facility material due to addition of the vent system.SOLUTION: A vent system 1 emitting gas from a nuclear reactor containment vessel 5 comprises: main piping 21 that is connected with the nuclear reactor containment vessel 5; a noble gas filter 11 that is provided on the main piping 21 and separates hydrogen and water vapor, and noble gas and nitrogen from each other; a plurality of absorbents 15a, 15b that are installed in parallel on the main piping 21; and a main exhaust pipe 27 that is installed on the downstream of the absorbents 15a, 15b and emits nitrogen to the atmosphere.SELECTED DRAWING: Figure 1

The invention discloses a helium detection and orientation sensor based on a two-dimensional acoustic topological material, and belongs to the rare gas sensing technology, the sensor adopts a Kagome structure, topological angular states are generated on three angles, and the helium concentration is detected by using the relationship between the frequency of the angular states and the acoustic characteristics of a gas medium in the sensor. The sensor can be used over a very wide temperature and humidity range, and does not require calibration. The sensor is in a regular triangle shape, and the direction of a leakage point is determined by adopting three response states with different angular states. The gas sensor shows good stability, repeatability and quick response in helium detection, and can be used for detection of various inert gases.

The application relates to a kind of optically pumped metastable noble gas lasers using laser-induced preionization, wherein a sample cell is arranged inside a noble gas metastable preparation chamber, a radio frequency electrode and a grounded electrode are arranged inside the noble gas metastable preparation chamber, the sample cell is arranged between the radio frequency electrode and the grounded electrode, a pump light source and a preionization light source are arranged outside the noble gas metastable preparation chamber, and the pump light source and the preionization light source are arranged to emit light perpendicularly and orthogonally to the sample cell, a first mirror is arranged between the pump light source and the noble gas metastable preparation chamber, a second mirror is arranged on the side of the noble gas metastable preparation chamber away from the pump light source, a lens is arranged between the preionization light source and the noble gas metastable preparation chamber, and a heating device is arranged outside the noble gas metastable preparation chamber. The application can quickly generate high-concentration metastable atoms based on laser-induced preionization and electron collision accelerated by an external electric field, and can directly avoid the problem of serious electromagnetic interference caused by the generation of metastable atoms in the traditional discharge mode at the mechanism level.

A method of monitoring carbon dioxide (CO2) mineralisation and / or dissolution in a storage reservoir comprises: injecting a feed of carbon dioxide into the storage reservoir, wherein the feed has a first ratio of 13C / 12C, a first ratio of CO2 to a noble gas, and a first ratio of 18O / 16O; producing a fluid downstream of the storage reservoir, wherein the produced fluid has a second ratio of 13C / 12C, a second ratio of CO2 / noble gas, and a second ratio of 18O / 16O; and measuring the second ratio of 13C / 12C of the produced fluid and measuring the second ratio of CO2 to noble gas and / or measuring the second ratio of 18O / 16O of the produced fluid.

A system and method for cleaning a preclean process chamber in between wafer processing. The internal pressure of the preclean process chamber is reduced to a first pressure and a first gas that consists of oxygen and an inert or noble gas, is introduced into the chamber. Plasma is generated within the preclean process chamber using the first gas at the first pressure. Internal pressure is then reduced to a second pressure, less than the first, and the first gas is continued into the chamber. Plasma is then generated using the first gas at the second pressure. Thereafter, a second gas, consisting of an oxygen-free inert or noble gas, is introduced into the chamber at the second pressure, following which plasma is generated within the chamber using only the second gas.

The invention relates to a method for manufacturing a packaging structure 1 comprising a first cavity 300a and a second cavity 300b, both hermetic. The method includes a step of forming over a substrate 100 a first portion 105a of a material capable of releasing a noble gas contained in the material by heating, intended to form a wall of the first cavity 300a; a step of sealing the substrate 100 to a cover 200 to form and hermetically close each of the first and second cavities 300a, 300b; a step of heating the first and second cavities 300a, 300b to release the noble gas contained in the material. The first portion 105a contributes to sealing of the substrate 100 to the cover 200 during the sealing step.

To perform nuclear combustion of accumulated light-water reactor spent nuclear fuel and depleted uranium.SOLUTION: A nuclear fuel is taken out from an unused nuclear fuel rod assembly, metallized, and cooled with heavy rare gas.EFFECT: Energy for a long period can be secured from accumulated light-water reactor spent nuclear fuel.SELECTED DRAWING: Figure 1

The application discloses a space helium recycling control system, method and equipment, relates to the technical field of space rare gas recycling system control, and comprises four detection devices, four adjusting devices and a control device. Based on the actual concentration of a first purified target impurity in the space helium output by a recovery device, the actual concentration of a second purified target impurity in the space helium output by an adsorption device, the actual concentration of a third purified target impurity in the space helium output by a low-temperature device, the actual temperature of the space helium output by the low-temperature device, the actual concentration of a fourth purified target impurity in the space helium output by a dehydrogenation device and the actual pressure of the space helium output by the dehydrogenation device, the flow, temperature and pressure of the space helium are adjusted, and the space helium recycling system is controlled. The application can well control the space helium recycling system and further reduce resource waste.

The invention belongs to the technical field of insulating gases, and particularly relates to an environment-friendly mixed gas added with trifluoromethylsulfonyl fluoride and application of the environment-friendly mixed gas in an insulated power transmission pipeline. The environment-friendly mixed gas in the invention is composed of trifluoromethylsulfonyl fluoride (CF3SO2F) and a carrier gas, wherein the carrier gas is N2, CO2 or rare gas. The mixed gas has the advantages of low GWP, low toxicity, low boiling point and high insulating strength, can be applied to gas-insulated power transmission pipelines, not only can reduce the emission of greenhouse gases, but also can meet the insulating requirement in an environment at a low temperature of-25 DEG C or above, and has comprehensive indexes superior to those of most of current sulfur hexafluoride substitute gases.