Among the sulphur compounds identified, 2 components were found for the first time.

在所检出的含硫化合物中，有2种组分系首次发现。

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Pure enzyme on its own did not do much to reduce most of the sulphur compounds, the team found.

研究小组发现纯酶自身并不能消除大部分硫化物。

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The odour from sludge contains almost all of the above pollutants, five of them are sulphur compounds.

污泥释放的恶臭中几乎含有以上所有物质，其中五种为含硫化合物。

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By observing the wood at the cellular level, the team has been able to look at compounds of sulphur and iron buried deep within the timbers.

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These are compounds of oxygen, sulphur, selenium and tellurium that are thought to be particularly suitable for thermoelectric applications because their structure allows electric currents to flow while blocking thermal currents.

ECONOMIST: Thermoelectrics