نتایج جستجو برای: environmental risk
تعداد نتایج: 1274850 فیلتر نتایج به سال:
Within the past decade ecosystem management has become a central theme in state and federal environmental resource management and a powerful issue in environmental policy debates. A recent survey showed that more than 600 projects related to ecosystem management are underway around the U.S. (Yaffee et al.,). Under the Clinton Administration, a high level of federal commitment to an ecosystem ma...
this research was undertaken to evaluate and determine the risk of gas fluids and leakage of persian gulf star refinery on the environment in bandar abbas. through collection and compilation of research findings, we attempted to identify and work on factors leading to environmental risks. the risk factors were identified by hazop team and the risk score was calculated by multiplying the probabi...
cancer is uncontrolled and unrestricted growth of malignant cells in the body. it is a multifactorial disease which either heredity or environmental factors (such as nutrition, physical inactivity, alcohol, obesity, exposure to sun, environmental pollutants, infections) contribute to the incidence of cancer. in recent years, several lines of research have focused on obesity as a potent risk fac...
wheat is a staple food in pakistan. production of wheat is increased with extensive use of phosphate based fertilizers in agricultural fields. activity mass concentration of primordial radionuclides due to use of phosphate fertilizers in soil enhances the external gamma dose and due to the consumption of wheat food grown on these soils also increases the internal dose. different types of soil, ...
background: research project risks are uncertain contingent events or situations that, if transpire, will have positive or negative effects on objectives of a project. the management of health and safety at work (mhsw) regulations 1999 require all employers and the self-employed persons to assess the risks from their work on anyone who may be affected by their activities. risk assessment is the...
background & aims of the study: oxidative stress increases platelet-derived growth factor (pdgf) gene expression in endothelial cells that contributes to vascular dysfunction and atherosclerosis. oxidative stress generates by dys-regulated redox balance between ros producing systems and antioxidant systems. also, curcumin (cur) as a main part of turmeric has anti- inflammatory, antioxidant, ant...
background: more than 250,000 people die annually of pancreatic cancer, worldwide. the highest incidence and mortality rates of pancreatic cancer are reported in developed countries. in developing countries the rate have been stabilizing over the past two decades but in countries which rates have been low for decades is now increasing. recognizing pancreatic cancer's risk factors and its preven...
this thesis aims at putting together two of the vestest areas of study there is in humanities: bioethics and literature. the two novels in question, oryx and crake and the year of the flood, are considered as some of the most succssful examples of spculative fiction. in these novels the biological and environmental issues raised as looked at from a bioethics point of view.
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