A self-made gas flow cell is used as the IR absorption cell. The components to be analyzed can be trapped with only one fourway valve.

IR吸收池是自制的气体流通池，只用一个四通阀即可将待测组份截留在吸收池中。

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The Federal Communications Commission limits cell phone radio frequency energy emissions, called the specific absorption rate (SAR), at 1.6 watts per kilogram, as measured over one gram of tissue.

CNN: Scientists debate possible cell phone link to brain cancer