- In
materials science, a
porous medium or a
porous material is a
material containing pores (voids). The
skeletal portion of the
material is
often called...
-
customary to
divide them into two
large classes, ring-
porous and diffuse-
porous. In ring-
porous species, such as ash,
black locust, catalpa, chestnut...
- In mathematics, a
porous set is a
concept in the
study of
metric spaces. Like the
concepts of
meagre and
measure zero sets, a
porous set can be considered...
- geology, hydrogeology, soil science, and
building science, the
porosity of a
porous medium (such as rock or sediment)
describes the
fraction of void
space in...
-
fluid mechanics,
materials science and
Earth sciences, the
permeability of
porous media (often, a rock or soil) is a
measure of the
ability for
fluids (gas...
- stone-matrix asphalt,
which is
designed to
ensure a
strong wearing surface, or
porous asphalt pavements,
which are
permeable and
allow water to
drain through...
-
Porous silicon (abbreviated as "PS" or "pSi") is a form of the
chemical element silicon that has
introduced nanopores in its microstructure, rendering...
-
Porous gl**** is gl**** that
includes pores,
usually in the nanometre- or micrometre-range,
commonly prepared by one of the
following processes: through...
- or
simply marker is a pen
which has its own ink
source and a tip made of
porous,
pressed fibers such as felt. A
marker pen
consists of a
container (gl****...
-
Permeable paving surfaces are made of
either a
porous material that
enables stormwater to flow
through it or
nonporous blocks spaced so that
water can...