نتایج جستجو برای: biological indicators
تعداد نتایج: 567191 فیلتر نتایج به سال:
The aim of this study was the occupational exposure assessment to lead and manganese of workers in an armament repair shop of a military organization. The air of the working environment was assessed in the environmental monitoring while the internal dose biological indicators for lead and manganese, in blood and urine, were used in biological monitoring. Metals concentration in filters and biol...
The definition of soil quality encompasses physical, chemical and biological characteristics, and it is related to fertility and soil health. Many indicators can be used to describe soil quality, but it is important to take into account sensitivity, required time, and related properties, than can be explained. Properties related to organic matter content, such as C/N ratio, organic carbon fract...
Earthworms are considered as one of the soil quality and health indicators. In order to evaluate the effects of earthworms activity on some soil biological quality indicators, an experiment was carried out in greenhouse conditions with different organic materials including trees’ pruning waste compost (PWC), wheat straw (WS), herbal extracts waste (HEW), trees’ pruning waste (PW) in...
BACKGROUND The most common way of accounting for the countryside in health studies has been to compare it, as a whole, to the city. Furthermore, most of the work on small area health inequalities has been confined to major urban centres. To counter this trend, in this paper, we explore small area health inequalities in the predominantly rural county of Portneuf (population = 44,545), Québec. Su...
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