An information processing method is performed by a computer for evaluating flammability of a mixed refrigerant material containing a plurality of components. The method includes: calculating, for each of the plurality of components, a second value obtained by multiplying a mixture ratio thereof in the mixed refrigerant material by a first value obtained based on numbers of hydrogen atoms, halogen atoms, and double bonds included in a molecular structure thereof; calculating a total sum of the second value calculated for each of the plurality of components; and classifying the mixed refrigerant material into a predetermined flammability class based on the total sum.

An information processing method is performed by a computer for evaluating flammability of a mixed refrigerant material containing a plurality of components. The method includes: calculating, for each of the plurality of components, a second value obtained by multiplying a mixture ratio thereof in the mixed refrigerant material by a first value obtained based on numbers of hydrogen atoms, halogen atoms, and double bonds included in a molecular structure thereof; calculating a total sum of the second value calculated for each of the plurality of components; and classifying the mixed refrigerant material into a predetermined flammability class based on the total sum.

An embodiment catalytic combustion type hydrogen sensor includes a protective thin film disposed on an upper surface of a silicon substrate, the protective thin film including an oxide film and a nitride film sequentially laminated, a heater coupled to an upper surface of the nitride film, an anti-icing film disposed on an upper surface of the protective thin film and covering the heater, the anti-icing film including micro-protrusions disposed on an outer surface thereof, and a catalyst layer deposited on an upper surface of the anti-icing film and coated along surfaces of the micro-protrusions of the anti-icing film, wherein the catalyst layer is configured to be heated by the heater to perform a hydrogen reaction for oxidizing hydrogen and to coat the surfaces of the micro-protrusions to prevent water generated through the hydrogen reaction from freezing.

An embodiment catalytic combustion type hydrogen sensor includes a protective thin film disposed on an upper surface of a silicon substrate, the protective thin film including an oxide film and a nitride film sequentially laminated, a heater coupled to an upper surface of the nitride film, an anti-icing film disposed on an upper surface of the protective thin film and covering the heater, the anti-icing film including micro-protrusions disposed on an outer surface thereof, and a catalyst layer deposited on an upper surface of the anti-icing film and coated along surfaces of the micro-protrusions of the anti-icing film, wherein the catalyst layer is configured to be heated by the heater to perform a hydrogen reaction for oxidizing hydrogen and to coat the surfaces of the micro-protrusions to prevent water generated through the hydrogen reaction from freezing.

A method is provided for estimating at least one combustion characteristic of a fuel gas belonging to a family of fuel gases, where the at least one characteristic includes at least one of a Wobbe index or a higher heating value. The method includes measuring at least two flow properties of the fuel gas and measuring a dihydrogen content X.sub.H.sub.2 contained in the fuel gas. The method also includes estimating the at least one characteristic ${\Xi }_{\frac{\mathrm{GN}}{H2}}$
using an empirical affine relationship of ${\Xi }_{\frac{\mathrm{GN}}{H2}}=\alpha +\beta .Math.Y+\gamma .Math.X_{H_2}.$
Here, α, β, and γ are coefficients predetermined for the family of fuel gases, and Y is a variable representative of physical properties of the fuel gas prepared from the measurements of the at least two flow properties of the fuel gas.

A method is provided for estimating at least one combustion characteristic of a fuel gas belonging to a family of fuel gases, where the at least one characteristic includes at least one of a Wobbe index or a higher heating value. The method includes measuring at least two flow properties of the fuel gas and measuring a dihydrogen content X.sub.H.sub.2 contained in the fuel gas. The method also includes estimating the at least one characteristic ${\Xi }_{\frac{\mathrm{GN}}{H2}}$
using an empirical affine relationship of ${\Xi }_{\frac{\mathrm{GN}}{H2}}=\alpha +\beta .Math.Y+\gamma .Math.X_{H_2}.$
Here, α, β, and γ are coefficients predetermined for the family of fuel gases, and Y is a variable representative of physical properties of the fuel gas prepared from the measurements of the at least two flow properties of the fuel gas.

An evaluation method for hydrocarbon expulsion of post- to over-mature marine source rocks includes: establishing a hydrocarbon expulsion evolution profile of post- to over-mature source rocks; determining a critical condition for hydrocarbon expulsion from the source rocks, inverting original hydrocarbon generation potential of the source rocks, and establishing a hydrocarbon expulsion model for the source rocks; determining a hydrocarbon expulsion rate and cumulative hydrocarbon expulsion of the source rocks; and calculating hydrocarbon expulsion of the source rocks. The evaluation method establishes a hydrocarbon expulsion model for post- to over-mature source rocks without relying on immature to sub-mature samples. The evaluation method provides a scientific basis for the evaluation of the potential of deep oil and gas resources, and provides strong theoretical guidance and technical support for deep oil and gas exploration.

An evaluation method for hydrocarbon expulsion of post- to over-mature marine source rocks includes: establishing a hydrocarbon expulsion evolution profile of post- to over-mature source rocks; determining a critical condition for hydrocarbon expulsion from the source rocks, inverting original hydrocarbon generation potential of the source rocks, and establishing a hydrocarbon expulsion model for the source rocks; determining a hydrocarbon expulsion rate and cumulative hydrocarbon expulsion of the source rocks; and calculating hydrocarbon expulsion of the source rocks. The evaluation method establishes a hydrocarbon expulsion model for post- to over-mature source rocks without relying on immature to sub-mature samples. The evaluation method provides a scientific basis for the evaluation of the potential of deep oil and gas resources, and provides strong theoretical guidance and technical support for deep oil and gas exploration.

A hydrocarbon generation pyrolysis simulation experimental device for centrifugal continuous gas sampling of a hydrocarbon source rock, including a centrifugal turntable, a motor, a quartz sample tube, a heating set, a cooling set, a rotary joint mounted coaxially with a rotating shaft of the centrifugal turntable, a vacuum pump, and vacuum gas collecting pipes, wherein a sealing plug is arranged at an orifice of the quartz sample tube, a thermocouple and a first exhaust pipeline connected with an inlet of the rotary joint are mounted on the sealing plug, the rotary joint is communicated with a vacuum pump through a second exhaust pipeline, a plurality of vacuum gas collecting pipes are respectively communicated with the second exhaust pipeline through an electromagnetic valve, a vacuum pump switching valve is mounted on the second exhaust pipeline at an inlet end of the vacuum pump, and a control circuit board is mounted on the centrifugal turntable.

Disclosed is a gas sensor. The gas sensor comprises: a substrate; a thermoelectric layer which is disposed on the substrate and has a metal nanowire; a first electrode and a second electrode disposed to be spaced apart from each other on the thermoelectric layer; and a catalyst layer which is disposed on the first electrode and has a composite structure in which a metal particle is bonded to a carbon structure.