نتایج جستجو برای: opinion columns

تعداد نتایج: 68807  

2012
MB Siahpoosh M Ebadiani GhR Shah Hosseini MM Isfahani A Nikbakht Nasrabadi H Dadgostar

In the modern medical era it has been known as well that physical activity and exercise are important factors to prevent from different chronic diseases. Scientifically, there are numerous evidence based studies about protective role of exercise against chronic diseases such as cardio- respiratory diseases, diabetes, and hyperlipidemia etc, which have been completely explained. Historically, an...

ژورنال: علوم آب و خاک 2009
زندسلیمی, ستار, محبوبی, علی اکبر, مصدقی, محمدرضا,

Organic fertilizers are the sources of many human-pathogenic microorganisms which potentially threaten the human health. This study was carried out to explore the possible effects of soil and manure types on filtration, transport and fate of manure-borne bacteria through undisturbed soil columns. The manure treatments consisted of cow manure, poultry manure and sewage sludge which were distribu...

2001
Tom Pasquini Joel Fajans

Electron plasma columns continuously injected into a Malmberg-Penning trap display a rich evolution. Electrons emitted from an illuminated photocathode are trapped in the electrostatic well formed by the negatively biased photocathode and the trap end cylinder. Initially, the injections form cylinders of uniform density. As the density increases, the columns hollow in an attempt to match the po...

2017
Jorge Castro

This paper reviews the main modeling techniques for stone columns, both ordinary stone columns and geosynthetic-encased stone columns. The paper tries to encompass the more recent advances and recommendations in the topic. Regarding the geometrical model, the main options are the "unit cell", longitudinal gravel trenches in plane strain conditions, cylindrical rings of gravel in axial symmetry ...

2003
R. Smith

&Waxes. Berlin: Springer-Verlag. Recent Trends in Flavour Evaluation of Spices Newer Trends in Essential Oils and Flavours (1991) New Delhi, India: Tata MacGraw-Hill Publishing Co. Svendsen and Scheffer (1985) Essential Oils and Aromatic Plants. Dordrecht, The Netherlands: Junk Publishers. Sweig G and Sherma J (1984)CRCHandbook of Chromatography, Terpenoids, vol. 1. Boca Raton, Florida: CRC Pre...

2010
Kathleen S. Rockland

"Column," like "gene," has both conceptual and linguistic shortcomings. The simple question "what is a column" is not easy to answer and the word itself is not easy to replace. In the present article, I have selected five points, in no way comprehensive or canonical, but which may nevertheless serve as a prompt and aid for further discussions and re-evaluation. These are: that anatomical column...

Journal: :نشریه دانشکده فنی 0
آ.آ.گووژدف آ.آ.چیستیاکوف آ.و.شوییک رضا قریشی

a subject of the investigation is the behavior of concrete and reinforced concrete columns under different loading conditions. the experimental study comprised a great number of tests on hinged - end columns with slenderness ratio within 35 and 155 subjected to both short and long - time loads applied at different eccentricities. the strength of concrete and the steel percentage varied in a wid...

Journal: :Anaesthesia 1983

Journal: :Foot & Ankle 1986

Journal: :South African Journal of Communication Disorders 1969

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