Due to its
impermeable character for moisture the phenomenon of osmosis does not occur.
"I think some sort of
impermeable membrane is the solution and meanwhile the area needs to be checked regularly.
Water moves freely between intra-cellular and extra-cellular compartments in response to osmotic pressure gradients created by effective solutes (Na+, K+, and mannitol) that are
impermeable to the cell membrane (1).
Army Corps of Engineers used a 900-foot section to compare the effectiveness of three Mirafi products--an
impermeable geosynthetic textile and two types of a more loosely woven material known as geogrid.
Plus, with the addition of barrier films and construction techniques, the material can be made
impermeable to air if necessary.
One approach to coping with loss of methyl bromide as a soil fumigant in commercial strawberry and vegetable fields is to use a special plastic covering called a "virtually
impermeable film," or VIF.
The triple-seal bellows, gland packing and stem seal act as an
impermeable barrier between the fluid and environment.
In suburban areas where homes are built on one-third-acre lots, about 35 percent of the ground is
impermeable to precipitation.
When the investigators measured Dermatophagoides pteronyssinus allergen in mattress dust, they found only a modest reduction with the
impermeable covers, and no reduction relative to the control covers.
Indeed, most of the well-known pieces record a nearly successful transformation of flesh into gloss or shine, the near eclipse of flesh by shiny materials, the synthetic embrace of the body that closes it off from the possibilities of touch, the transformation, through muscle building, of the body itself into a formidable and
impermeable surface.
The oil sits in the pores and is prevented from escaping by an upper layer of
impermeable rock.
To assist the NHS in running a computer environment
impermeable to virus attacks, Sophos is making this service available free of charge.