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。

youdao

And that sparse array of wires has exactly the same light absorption and electricity-collection properties as the conventional silicon wafer cell."

VOA: standard.2010.02.19

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