10di1449-015 : 無料・フリー素材/写真
10di1449-015 / USDAgov
| ライセンス | クリエイティブ・コモンズ 表示-改変禁止 2.1 |
|---|---|
| 説明 | Gwen Davies, University of Maryland, Environmental Science and Policy major and an intern in the Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, Beltsville Agricultural Research Center, Beltsville, Maryland. Davies is studying the attachment of bacteria (especially E. coli) to soil particles. The laboratory she works in is monitoring the E. coli count in a variety of different environmental media including creek water, agricultural run-off, pond sediment, manure, etc. using colilert-18, Thursday, July, 29, 2010. USDA photo |
| 撮影日 | 2010-07-29 08:52:16 |
| 撮影者 | USDAgov |
| タグ | |
| 撮影地 | |
| カメラ | NIKON D300 , NIKON CORPORATION |
| 露出 | 0.067 sec (1/15) |
| 開放F値 | f/2.8 |
| 焦点距離 | 24 mm |