File:Radon Lognormal distribution.gif
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| Description |
English: Day Care Radon concentration survey in North Dakota 1991-1992, showing a Lognormal distribution.
العربية: تراكيز الرادون خلال المسح الذي أجري في شمال داكوتا عامي 1991-1992 و يظهر توزع لوغاريتمي طبيعي. |
| Date | between 1991 and 1992 |
| Source | http://www.ndhealth.gov/aq/iaq/radon/day9192.htm |
| Author | Dakota Department of Human Services |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:00, 26 May 2009 | | 1,280 × 822 (38 KB) | Biem | Bigger, enhanced contrast |
| 06:52, 26 May 2009 |  | 640 × 411 (4 KB) | Biem | {{Information |Description={{en|1=Day Care Radon concentration survey in North Dakota 1991-1992, showing a Lognormal distribution.}} |Source=http://www.ndhealth.gov/aq/iaq/radon/day9192.htm |Author=Dakota Department of Human Services |Date=1991-1992 |Perm |
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