نتایج جستجو برای: environmental conditions
تعداد نتایج: 1156517 فیلتر نتایج به سال:
Journal:
:British journal of industrial medicine
1949
G F KEATINGE
N M POTTER
This survey is based on experience gained at threeof the four brickworks of the Butterley Company Limited, in which altogether 144 persons are employed. At three of these works the " stiff plastic" process of manufacture is employed, but at the fourth the " wirecut" or " fully plastic " method is used. Since the workers employed are, at best, semi-skilled and tend frequently to change from one ...
Journal:
:International Journal of Environment
2014
Journal:
:Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene)
1965
Journal:
:Acta Agraria Debreceniensis
2005
پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده منابع طبیعی
1387
چکیده ندارد.
Journal:
:Research Journal of Environmental Sciences
2012
Journal:
:Journal of Northwest Atlantic Fishery Science
1989
Journal:
:Publications of the Seto Marine Biological Laboratory. Special Publication Series.
2011
Journal:
:research in pharmaceutical sciences
0
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