prov:value
| - hich have fast response times at ambient temperature, which are free of interferences from such parameters as oxygen deficiency and humidity, which can be produced inexpensively using sophisticated modern micro-fabrication technologies, which have high specificity and high selectivity, for example, parts-per-billion level detection of such gases CO, NO, NO2, H2 S, SO2, and N2 H4 and parts-per-mill
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