| aa. |
A type of lava surface in which the surface was too stiff to flow well, and so broke up into fragments. It is characterised by broken material which can vary from simple lumps to very sharp prickly fragments. It grades to pahoehoe (qv).
출처: home.mira.net/~gnb/caving/papers/kg-svckt.html
|
|---|---|
| aa. |
AA (amino acid): Stands not only for Alcoholics Anonymous but also for amino acids, the building blocks of proteins. There are 20 amino acids from which proteins are assembled. Of these 20 amino acids, 9 are deemed "essential" in that the human More Detail Info ...
출처: www.medicineonline.com/Default.asp
|
| aa. |
Always 00. It indicates the main unit.
출처: publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/a...
|
| aa. |
This DVD is suitable for viewing by all ages.
출처: www.incredible.co.za/services/glossary/glossary.as...
|
| aa. |
Activation analysis. Samples are irradiated in a nuclear pile along with a standard. At a fixed time the gamma radiation for one of the less quickly decaying products is counted along with the standard and the count rates ratioed against element concentration in the standard. A decay product with a half life of minutes is no good as there would not be time to count both sample and standard before the countrate diminished. One with a half life of years might take unacceptable times to count. ...
출처: www.geokem.com/glossary.html
|