To create characterization in fiction or non-fiction, 1  Tell the reader directly what a character's personality is like: 2  Describe a character's appearance and manner: 3  Portray a character's thoughts and motivations:  Use dialogue to allow a character's words to reveal something important about his or her nature:
Cherniak (2010b) reviews diffusion in the accessory minerals zircon, monazite, apatite, and xenotime, phases important in geochronologic studies. Diffusion in other minerals, including carbonates, sulfide minerals, fluorite and diamond, is reviewed by Cherniak (2010c).
since diffusion moves materials from an area of higher concentration to an area of lower concentration it is described as moving solutes down the concentration gradient compared with active transport which often moves material from area of low concentration to area of higher concentration and therefore referred to as moving the material