| 41. | Tellurium and selenium are the heavy elements most depleted by this process.
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| 42. | Selenium sulfide is being studied in the manufacture of photovoltaic solar cells.
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| 43. | Carbon, aluminium, phosphorus and selenium continue the theme.
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| 44. | Selenium has been used in the same way as tellurium.
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| 45. | Selenium is commonly described as a metalloid in the environmental chemistry literature.
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| 46. | Selenium is a vital nutrient in animals, including humans.
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| 47. | Some species, including a few that produce swainsonine, accumulate selenium.
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| 48. | Low selenium status is associated with higher incidence of pre-eclampsia.
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| 49. | Selenium substitutes for sulfur in the structure constituting a solid solution series.
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| 50. | They also claim that selenium increases electric conductivity and reduces thermal conductivity.
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