کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9477299 | 1324102 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Measurement of 5-day biochemical oxygen demand without sample dilution or bacterial and nutrient enhancement
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم آبزیان
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A direct method for measuring the 5-day biochemical oxygen demand (BOD5) of aquaculture samples that does not require sample dilution or bacterial and nutrient enrichment was evaluated. The regression coefficient (R2) between the direct method and the standard method for the analyses of 32 samples from catfish ponds was 0.996. The slope of the regression line did not differ from 1.0 or the Y-intercept from 0.0 at PÂ =Â 0.05. Thus, there was almost perfect agreement between the two methods. The control limits (three standard deviations of the mean) for a standard solution containing 15Â mg/L each of glutamic acid and glucose were 17.4 and 20.4Â mg/L. The precision of the two methods, based on eight replicate analyses of four pond water samples did not differ at PÂ =Â 0.05.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Aquacultural Engineering - Volume 33, Issue 4, October 2005, Pages 250-257
Journal: Aquacultural Engineering - Volume 33, Issue 4, October 2005, Pages 250-257
نویسندگان
Jiang Xinglong, Claude E. Boyd,