نتایج جستجو برای: and use of agricultural pesticides
تعداد نتایج: 24092218 فیلتر نتایج به سال:
Introduction: Pesticide poisoning is an important cause of worldwide mortality, especially in developing countries. Due to the fact that, Hamadan (a province in the west of Iran) is an agricultural area, every year some people are poisoned by these products. Material & methods: This prospective & cross-sectional study was designed to analyze the various causes of pesticide poisoning in pati...
BACKGROUND Residential proximity to agricultural pesticide use has been associated with neural tube defects and autism, but more subtle outcomes such as cognition have not been studied. OBJECTIVES We evaluated the relationship between prenatal residential proximity to agricultural use of potentially neurotoxic pesticides and neurodevelopment in 7-year-old children. METHODS Participants incl...
BACKGROUND Melanoma rates continue to increase; however, few risk factors other than sun sensitivity and ultraviolet radiation (including sun exposure) have been identified. Although studies of farmers have shown an excess risk of melanoma and other skin cancers, it is unclear how much of this is related to sun exposure compared with other agricultural exposures. METHODS We examined dose-resp...
Introduction: In recent years, due to the increase in the use of pesticides in agricultural products and its entry into the human food chain, there has been an increase in concerns about the health of food among people. Therefore, the purpose of conducting this research is to validate the analysis method. 25 pesticide residues in rice using LC-MS/MS. Methods: In this research, a simultaneous an...
in recent years, the debate over the environmental sustainability of agricultural productions is widely increased. in this context, environmental impacts of potato production by semi-mechanized method were studied in markazi province of iran. in this research, life cycle assessment approach was used to identify and reduce environmental impacts. the environmental impacts of potato production in ...
Objective: to describe cases of suicide attempts by exposure to toxic agents registered by the Toxicological Information and Assistance Center in Fortaleza, Ceará, Brazil. Methods: this is a descriptive study using secondary data of the cases registered in 2013. Results: 410 cases were registered; 56.2% of the individuals were female and 79.7% were between 12 and 39 years old; most of them ...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...
Pesticides are essential tools in integrated pest management (IPM) programs which can have the great influence if they are used properly. However, the adverse impacts of these compounds on the environment and ecosystem should not be ignored. The ecological effects of pesticides can be discussed from different points of view. Some of the significant consequences of use of pesticides are side eff...
In April 1995, the US Geological Survey began a study to determine the occurrence and temporal distribution of 49 pesticides and pesticide metabolites in air and rain samples from an urban and an agricultural sampling site in Mississippi. The study was a joint effort between the National Water-Quality Assessment and the Toxic Substances Programs and was part of a larger study examining the occu...
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