The tests show that the solid state products obtained from the organic exhaust gas by plasma jet mainly contain nanosheet graphite and carbon-coated nanometer copper powders.

实验结果表明，有机废气在常压等离子体射流的作用下分解为单质碳和无害气态产物。

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For instance, the ultra-thin layers of graphene (a two-dimensional form of graphite) are formed by injecting liquid solutions containing carbon and silicon into an extremely hot, ionised gas (plasma) of argon.

ECONOMIST: MONITOR