نتایج جستجو برای: polycyclic hydrocarbons
تعداد نتایج: 29344 فیلتر نتایج به سال:
Important information regarding the reactions of carcinogenic and related hydrocarbons has been obtained chiefly from the following four previous lines of investigation : ( a ) The extensive study of methods of synthesis of carcinogenic hydrocarbons by the technics of the organic chemist (4). ( b ) The experimental study of the oxidative and coupling reactions of such hydrocarbons under conditi...
Polycyclic aromatic hydrocarbons are organic compounds with highly toxic, carcinogenic, and mutagenic properties, which adversely affect the basic biological parameters of the soil, including the count of microorganisms, and the enzymatic activity. In addition to disturbances to the biological activity of the soil, PAHs may also exhibit toxic effects on plants. In view of the above, the study i...
Polycyclic aromatic hydrocarbons are a class of potentially hazardous chemicals of environmental and health concern. PAHs are one of the most prevalent groups of contaminants found in soil. Biodegradation of complex hydrocarbon usually requires the cooperation of more than single specie. In this research biotreatment of PAH (phenanthrene) was studied in a solid-phase reactor using indigenou...
IMPORTANCE Polycyclic aromatic hydrocarbons are common carcinogenic and neurotoxic urban air pollutants. Toxic exposures, including air pollution, are disproportionately high in communities of color and frequently co-occur with chronic economic deprivation. OBJECTIVES We examined whether the association between child IQ and prenatal exposure to polycyclic aromatic hydrocarbons differed betwee...
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