| 摘要 |
A method, and apparatus therefor, for detecting the presence of a target amount of gas flowing within a conduit, including: providing a heating element in operational contact with the conduit; heating at least one of the conduit or the gas; measuring the temperature of at least one of the heating element, the conduit or the gas; comparing the measured temperature of at least one of the heating element, the conduit or the gas to data relating to a target temperature; controlling and measuring the amount of energy consumed by the heating element in order to maintain the target temperature; correlating the amount of energy consumed by the heating element in order to maintain the target temperature with an amount of gas flowing within the conduit; and determining whether the amount of gas flowing within the conduit is at least the target amount of gas flowing within the conduit.
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