نتایج جستجو برای: 24

تعداد نتایج: 348125  

2012
Jennifer N. Wilson Charlotte N. Markey Patrick M. Markey

Objectives: To examine quantity of exercise and motives for exercise as predictors of men in the military’s health and fitness level. Design: Participants completed a survey to address research questions of interest. Methods: One-hundred and fourteen men who were active duty Air Force members, with a mean age of 31.43 years (SD 1⁄4 7.43) and an average military time in service of 10.66 years (S...

Journal: :Environmental Modelling and Software 2002
Chung-Ming Liu

US EPA has included sub-indices of 8-hour average O3 concentration and 24-hour average PM2.5 level into a newly-modified Air Quality Index (AQI). Calculations at air-quality monitoring stations in Taiwan show that the updated AQI system is associated with two to three times higher occurring frequency of days with AQI larger than 100 than that of the widely used Pollution Standard Index (PSI) la...

2009
LORENZO VILIZZI GORDON H. COPP

.............................................................................................................. 113 Introduction .......................................................................................................... 113 Study area, material and methods ........................................................................... 114 Results ........................................

Journal: :Steroids 1986
T A Salt R Lozano W R Lusby D J Chitwood M J Thompson

Panagrellus redivivus produced 24-methyl-23-dehydrocholesterol as 4.0% of the 4-desmethylsterols when propagated in a medium containing campesterol as the dietary sterol. The re-examination of previous data revealed that Caenorhabditis elegans produced 1.8% 24-methyl-23-dehydrocholesterol when propagated in medium containing campesterol. 24-Methyl-23-dehydrocholesterol was not detected when the...

2003
RICHARD G. TESKE

Minor Ha activity, consisting of small brightenings and small, surgelike spikes, was observed to take place above an active center at the solar limb in good time-association with small fluctuations in the soft X-ray background flux, suggesting that even small dynamical events seen optically are associated with coronal heating. The ratio of Ha flux to soft X-ray flux in some of the surges was ap...

Journal: :ADS 1997
Denny Meyer

Accelerated curing results, obtained after only 24 hours, are used to predict the 28 day strength of concrete. Various accelerated curing methods are available. Two of these methods are compared in relation to the accuracy of their predictions and the stability of the relationship between their 24 hour and 28 day concrete strength. The results suggest that Warm Water accelerated curing is prefe...

Journal: :international journal of pediatrics 0
k eftekhari assistant professor of pediatric gastroenterology, zanjan university of medical science, zanjan, iran.

functional gastrointestinal disorders (fgids) are a common problem in children. these disorders in children are classified into the following categories according to the rome iii classification: functional dyspepsia, irritable bowel syndrome (ibs), abdominal migraines, childhood functional abdominal pain (fap), childhood functional abdominal pain syndrome and functional constipation. fgids are ...

Journal: :Journal of natural products 2007
Sara Hoet Luc Pieters Giulio G Muccioli Jean-Louis Habib-Jiwan Fred R Opperdoes Joëlle Quetin-Leclercq

Fractionation of an antitrypanosomal lipophilic leaf extract from Strychnos spinosa led to the isolation of eight triterpenoids and sterols in this plant part for the first time. Two of these were found to possess in vitro antitrypanosomal activity, namely, saringosterol (14) and 24-hydroperoxy-24-vinylcholesterol (15), with IC(50) values of 7.8 +/- 1.2 and 3.2 +/- 1.2 microM, respectively. The...

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