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selenium    音标拼音: [səl'iniəm]
n. 非金属元素,符号Se,原子序34

非金属元素,符号Se,原子序34

selenium
硒

selenium
n 1: a toxic nonmetallic element related to sulfur and
tellurium; occurs in several allotropic forms; a stable
grey metallike allotrope conducts electricity better in the
light than in the dark and is used in photocells; occurs in
sulfide ores (as pyrite) [synonym: {selenium}, {Se}, {atomic
number 34}]

Selenium \Se*le"ni*um\, n. [NL., from Gr. selh`nh the moon. So
called because of its chemical analogy to tellurium (from L.
tellus the earth), being, as it were, a companion to it.]
(Chem.)
A nonmetallic element of the sulphur group of atomic number
34, analogous to sulphur in its compounds. It is found in
small quantities with sulphur and some sulphur ores, and
obtained in the free state as a dark reddish powder or
crystalline mass, or as a dark metallic-looking substance. It
exhibits under the action of light a remarkable variation in
electric conductivity, and is used in certain electric
apparatus. Symbol Se. Atomic weight 78.96.
[1913 Webster]


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  • Selenium map with great detail - Homesteading Forum
    Selenium is a trace mineral present in the soil in varying amounts around the world In the United States, soil is selenium-deficient in parts of the Pacific Northwest, from the Great Lakes region to the New England states, and along the Eastern Seaboard into Florida
  • Difference between Bo-Se and Vitamin E Selenium Gel
    "Bo-Se is recommended for the prevention and treatment of white muscle disease (Selenium-Tocopherol Deficiency) syndrome in calves, lambs, and ewes, and as an aid in the prevention and treatment of Selenium-Tocopherol Deficiency in sows and weanling pigs Bo-Se contains selenium and vitamin E
  • Has anyone taken selenium and felt crazy or too much detox???? - The . . .
    Re: Has anyone taken selenium and felt crazy or too much detox???? - 08 19 08 09:15 PM In my country, our soil is very low is essential elements like selenium and iodine etc So the food produced from the soil is also consequently low in these and we have one of the highest cancer rates, suicide rates in the world for such a small country
  • Rough hair coats - Homesteading Forum
    My goats have rough haircoats, one yearling doe in particular One also has patches of missing hair, mainly in the flank and just behind the front legs, and a patch on top of her head They have all been bolused with copper in January and 6 months before that They have access to Golden Blend
  • Pig minerals? - Homesteading Forum
    I know our soil has the minerals because 1) I had it tested and 2) our pigs do great on our soil and the forage grown on it but in the winter when we get winter hay from another farm that is selenium deficient then they must get supplemental minerals, specifically for the selenium Testing and sad experience proved this what was the sad
  • Anyone ever done blood tests for selenium? - Homesteading Forum
    We have all the signs and symptoms of low selenium levels Our goats are from a nearby herd who doesn't do Bo-se shots We adopted a practically identical management style to that herd but we are having problems whereas they aren't In an effort to be scientific about things, we had blood
  • BoSe - Homesteading Forum
    The selenium really helps take care of retained placenta's and other problems If I notice an animal is down on its pasterns or maybe dragging a foot, I give selenium immediately
  • When to give Bose shot - Homesteading Forum
    The list of selenium deficiency side effects is actually much longer - here are a few we've had - Regular stock - weak immunity, loss of hair or coat condition, infertility or low fertility (lots of single births, lack of or irregular heat cycles)
  • Bo-se - Homesteading Forum
    Bo-Se is a vitamin mineral supplement Selenium w Vitamin E The Vitamin E makes the selenium more bioavailable than straight selenium (think, synergistic) and it also buffers the selenium, so you really can't hurt the goat if they get too much, the way you can kill a goat with straight selenium It is a vet prescription item And, the expiration date is more of a "suggestion" and CYA for the
  • Has anyone taken selenium and felt crazy or too much detox????
    Also if you are very mercury toxic and or have bad candida, you might find the selenium appears to cause a redistribution of toxins metals and the symptoms can worsen and sometimes seem frightening I would be cautious if this is the case for you and either take a lesser dose, or forget about taking it





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