It's shorthand for Dobson Unit. Units of measurement of the level of ozone. measurement of ozone levels. If, for example, 100 du of ozone were brought to the Earth's surface, they form a thick layer of a millimeter.
00:35, 27 November 2012
Absorbed through the leaves of the plant, and ...
A compilation of information required under the OSHA ...
Share a term with millions of users around the world and ...
MSDS: Material safety data sheet (MSDS) is a form ...
How accomplishes NutraVesta Proven Work? As referenced, ...
Potash is the only source of potassium fertilizer; there ...
0
Terms
용어사전
2
Followers
4
15
7
95
10
51
1
5
60
43 Terms
