CSS is one of the most powerful tools a Web designer can learn because with it you can affect the entire mood and tone of a Web site. Well written style sheets can be updated quickly and allow sites to change what is prioritized or valued without any changes to the underlying XHTML.
Reverse Osmosis Desalination Process. The core process of desalination is the Reverse Osmosis Process. It consists of a High pressure pump followed by an Energy Recovery device and the Reverse Osmosis Membranes.
While diffusion involves movement of any chemical from one place to another, osmosis involves movement of only water across a permeable membrane. This makes it clear that it is only water that can undergo osmosis. As such it can be said that osmosis is a special type of diffusion.