impermeable

adj.

不可渗透的，透不过的；

impermeable layer不透水层；防渗层

impermeable barrier不透水层；不透水煤柱；不渗透边界

1. Water cannot easily flow in these impermeable rocks.
   水不容易流进那些不透水的岩石。
2. Thin layers of other impermeable materials are found in nature, too.
   在自然界中也发现有其他非渗透性薄层物质。

Water impermeable seed dormancy
Impermeable expandable intravascular stent
Impermeable Atomic Membranes from Graphene Sheets
Evaluation of impermeable covers for bedding in patients with allergic rhinitis.
Preparation of impermeable ghosts and inside-out vesicles from human erythrocyte membranes.
Control of exposure to mite allergen and allergen-impermeable bed covers for adults with asthma.
Mesoporous Silica Nanoparticles for Intracellular Delivery of Membrane-Impermeable Proteins
The membrane of peroxisomes in Saccharomyces cerevisiae is impermeable to NAD(H) and acetyl-CoA under in vivo conditions.
Liao S.J.: A new branch of solutions of boundary-layer flows over an impermeable stretched plate. Int. J. Heat Mass Transfer 48(12),...
Experimental verification and theoretical prediction of cartilage interstitial fluid pressurization at an impermeable contact interf...