نتایج جستجو برای: seasonal variation

تعداد نتایج: 349776  

Journal: :British Journal of Ophthalmology 1991

Journal: :Canadian Medical Association Journal 2005

Journal: :American Journal of Public Health 1980

Journal: :The British journal of ophthalmology 1991
C Meenken A Rothova A Kijlstra J Oosting

Journal: :Archives of disease in childhood 1987
C D Ferrie T C Sharpe D A Price R A Surtees

Retrospective analysis of glycosylated haemoglobin concentrations in a diabetic outpatient clinic over three and a half years showed a small seasonal variation in the mean value with a peak in mid February and a nadir in mid August.

2015
Anita Goldinger Konstantin Shakhbazov Anjali K. Henders Allan F. McRae Grant W. Montgomery Joseph E. Powell Cynthia Gibas

Many health conditions, ranging from psychiatric disorders to cardiovascular disease, display notable seasonal variation in severity and onset. In order to understand the molecular processes underlying this phenomenon, we have examined seasonal variation in the transcriptome of 606 healthy individuals. We show that 74 transcripts associated with a 12-month seasonal cycle were enriched for proce...

2003
Don M. Miller Dan Williams

3 We examine the effect of damping X-12-ARIMA's estimated seasonal variation on the accuracy of its seasonal adjustments of time series. Two methods for damping seasonals are proposed. In a simulation experiment, we generated time series data for each of 90 distinct experimental conditions that, in aggregate, characterize the variety of monthly series in the M3-competition. X-12-ARIMA consisten...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده ادبیات و علوم انسانی 1386

چکیده ندارد.

Journal: :iranian journal of science and technology (sciences) 2009
s. saler

with the aim of identifying the rotifera fauna of kepektas dam lake, samples were collectedmonthly between january-december 2005. in total 11 rotifer species were identified. as a species-wisepercentage, kellicttia longispina had the highest level with 57%. when the annual abundance of species wastaken into consideration polyarthra vulgaris, colurella uncinata, asplanchna priodonta and keratell...

2011
J. K. Schjoerring L. Wang

Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Biogeosciences Discussions This discussion paper is/has been under review for the journal Biogeosciences (BG). Please refer to the corresponding final paper in BG if available. Abstract Introduction Conclusions References Tables Figures Back Close Full Screen / Esc Abstract Seasonal changes in nitrogen (N) pools, ca...

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