lead sulphide 예문

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1. Gilt items showed the presence of mercury, indicating the lead sulphide.
2. These also used receivers which employed lead sulphide detector cells and amplifiers, boosting their range to under optimal conditions.
3. The missile's uncooled lead sulphide passive infra-red seeker head detects infrared radiation at below 2.8 ?m in wavelength.
4. The seeker head is an unusual construction, using uncooled lead sulphide ( PbS ) detector elements, but with an unusual tracking mechanism.
5. The lead sulphide mineral galena PbS was mined as an ore of lead, and the sulphides pyrite FeS 2 and sphalerite ZnS were also present.