There is no mechanical aperture ring on the H lenses, so no way to stop them down even if there was a dumb adapter to mount them on another camera.
You could mount the lens on an H body, use the DOF Preview button to stop the lens down, then physically eject the battery to keep the lens in that position as you take it off the body.
You would need to repeat this each time you wished to change the aperture, and I cannot comment on how it would effect the life of the lens (I'm sure it's not "good" for the lens but couldn't tell you if it is meaningfully "bad").
It could also only be used at that point on a body with a focal plane shutter, and could only be focused at infinity on bodies designed for lenses with shorter focal flange-distance lenses.
So maybe for some niche applications. For most practical purposes: no.
Maybe you could tell us what you're trying to accomplish that you're not getting from your current system and we could devise alternative means to do so.
Doug Peterson
(e-mail Me)
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