The getter pump (15) comprises an envelope having selectively blackened outer surfaces (16) and including one or more non-evaporable getter NEG elements.

The dry-scrubbing media's chemisorptive process removes hydrogen sulfide by means of adsorption, absorption and chemical reaction.

The thy-scrubbing media's chemisorptive process removes hydrogen sulfide by means of adsorption, absorption and chemical reaction.

The carbon monoxide is preferentially chemisorbed by the bifunctional material such that a chemisorption capacity of the bifunctional material is reduced.

A treated material 1 is obtained by chemically adsorbing organic molecular chains 5 onto a surface of active material 3.

The mask being of the type allowing for rigid connection to the replaceable filter (2) and the filter being of the type having a chemisorptive action.

The methods include forming a first electrode by chemisorbing a graphite material (e.g., graphene) on a conductive material.

The transparent wall (4) with the frame (2) defines a closed chamber (6) containing the spacers (3), the light absorber (8) and a getter pump (15).

A water sorbent (224) has the primary purpose of pumping water vapor and a getter pump (218) has the primary purpose of pumping active gases.

The mechanism is due to the chemical absorption of MBT on copper surface, or chelation reaction between them.

The parallel pumps, i.e., the water sorbent (224) and getter pump (218) are disposed in a gas storage chamber (214) that is separate from the main housing (202) of the flywheel system.