0 a chemical element used in photocells and photographic devices and also necessary in small amounts in the body
1 a chemical element that is used in electronic devices and is also necessary in small amounts in the body
Selenium is part of an enzyme that helps defend against free radicals.
Tests of various possibilities led to a focus on the effects of selenium.
Earlier studies have also shown lower levels of selenium in blood plasma in patients with rheumatoid arthritis compared to healthy individuals.
In some cases, increased salinity or toxic materials (for example arsenic, selenium) from both natural and human sources have rendered the groundwater unusable even for agricultural purposes.
Twelve chapters examine environmental deficiency and toxicity, and cover: volcanic emissions; radon; arsenic; fluoride; water hardness; selenium; iodine, aerosols and soil-borne pathogens, with more general reviews.
According to these studies, the supply of selenium to domestic animals and the general population has declined.
For this reason, 10 grammes of selenium, rather than just six, are now being added to selenium fertilizers.
There is a known selenium deficiency in the soils in this country.
中文繁体
硒(一種化學元素,用於光電池和照相器材中,也是人體必需的微量元素)…
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硒(一种化学元素,用于光电池和照相器材中,也是人体必需的微量元素)…
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selênio…
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selen…
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