نتایج جستجو برای: 30 and 30

تعداد نتایج: 16897006  

Journal: :Transactions of the International Astronomical Union 1970

Journal: :Via Atlântica 2016

Journal: :Rapport Grønlands Geologiske Undersøgelse 1973

Journal: :iranian journal of radiation research 0
l. minkin portland community college, sylvania campus, physics department, st-312, 12000 sw, 49th ave, portland, or 97219, usa a.s. shapovalov saratov state university, physics division, 83 astrakhanskay, saratov, 410026, russia

the paper discusses the results of 30 years of radon indoor entry research. while some progress has been made, many discrepancies between current theories and experimental data still remain. misconceptions of radon transport mechanisms in homes are analyzed. the role of us environmental protection agency in radon indoor entry research is examined and the agency's policies are criticized. t...

2012

The safety of raw milk sold in Northern Italy was investigated in relation to hygiene quality parameters and presence of Salmonella spp., Listeria monocytogenes, thermotolerant Campylobacter, and Verocytotoxin producing Escherichia coli O157:H7. The performance of different analytical methods used-official culture method (ISO), modified Bacteriological Analytical Manual cultural method (mBAM), ...

Journal: :European Journal of Echocardiography 2010

Journal: :European Journal of Echocardiography 2010

Journal: :ICU Director 2012

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