Measuring mercury.
نویسندگان
چکیده
منابع مشابه
Measuring mercury.
In the process of establishing more and more complete annotations of eukaryotic genomes, a constantly growing number of alternative splicing (AS) events has been reported over the last decade. Consequently, the increasing transcript coverage also revealed the real complexity of some variations in the exon–intron structure between transcript variants and the need for computational tools to addre...
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Rates of mercury (Hg) methylation and methylmercury (MeHg) demethylation in sediment of the Hudson River, Chesapeake Bay and Bay of Fundy were measured using stable isotopes of mercury (Hg) and methylmercury (MeHg). Methylation of the isotope correlated well with in situ MeHg concentration, and MeHg turnover times were on the order of days. It was concluded that methylation was more important t...
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Mercury is a metal found in elemental, organic, and inorganic forms in the nature. This substance is present in the composition of earth crust, soil, air, and even in some tissues of plants and sea animals. Each year nearly 3400 tons of mercury compounds are released in the environment, which 95% settle in the soil, 3% in the oceans, and 2% in the atmosphere. Different industrial products li...
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A relaxed eddy accumulation (REA) system was designed to continuously measure total gaseous mercury (TGM) fluxes over a forest canopy. TGM concentration measurements were measured at 5-min intervals with a Tekran model 2537A mercury analyzer located above the forest canopy on a walk-up meteorological tower. Ten-minute averages for upand downdraft mercury concentrations were used to calculate th...
متن کاملOn the value of measuring mercury and cadmium concentration in urine.
In connection with "maximum allowable concentrations in biological materials ", I should like to express some views on the value of measuring mercury and cadmium concentrations in urine. These remarks are based on findings in human subjects and in experimental animals. Mercury which is absorbed into the body is largely excreted in the urine. From this. aspect, therefore, determination of the ur...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1996
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.96104826