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sodium    音标拼音: [s'odiəm]
n. 钠

钠

sodium
n 1: a silvery soft waxy metallic element of the alkali metal
group; occurs abundantly in natural compounds (especially
in salt water); burns with a yellow flame and reacts
violently in water; occurs in sea water and in the mineral
halite (rock salt) [synonym: {sodium}, {Na}, {atomic number
11}]

Sodium \So"di*um\, n. [NL., fr.E. soda.] (Chem.)
A common metallic element of the alkali group, in nature
always occuring combined, as in common salt, in albite, etc.
It is isolated as a soft, waxy, white, unstable metal, so
highly reactive that it combines violently with water, and to
be preserved must be kept under petroleum or some similar
liquid. Sodium is used combined in many salts, in the free
state as a reducer, and as a means of obtaining other metals
(as magnesium and aluminium) is an important commercial
product. Symbol Na ({Natrium}). Atomic weight 22.990.
Specific gravity 0.97.
[1913 Webster]

{Sodium amalgam}, an alloy of sodium and mercury, usually
produced as a gray metallic crystalline substance, which
is used as a reducing agent, and otherwise.

{Sodium carbonate}, a white crystalline substance,
{Na2CO3.10H2O}, having a cooling alkaline taste, found in
the ashes of many plants, and produced artifically in
large quantities from common salt. It is used in making
soap, glass, paper, etc., and as alkaline agent in many
chemical industries. Called also {sal soda}, {washing
soda}, or {soda}. Cf. {Sodium bicarbonate}, and {Trona}.


{Sodium chloride}, common, or table, salt, {NaCl}.

{Sodium hydroxide}, a white opaque brittle solid, {NaOH},
having a fibrous structure, produced by the action of
quicklime, or of calcium hydrate (milk of lime), on sodium
carbonate. It is a strong alkali, and is used in the
manufacture of soap, in making wood pulp for paper, etc.
Called also {sodium hydrate}, and {caustic soda}. By
extension, a solution of sodium hydroxide.
[1913 Webster]


Natrium \Na"tri*um\, n. [NL. See {Natron}.] (Chem.)
The technical name for {sodium}.
[1913 Webster]


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  • Sodium - Minecraft Mod - Modrinth
    Sodium is a powerful optimization mod for the Minecraft client, which greatly improves frame rates and micro-stutter, while fixing many graphical issues in Minecraft Unlike other rendering-focused mods, it boasts wide compatibility with the wider modding ecosystem
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    Sodium is a powerful optimization mod for the Minecraft client, which greatly improves frame rates and micro-stutter, while fixing many graphical issues in Minecraft
  • Sodium - Wikipedia
    Sodium was first isolated by Humphry Davy in 1807 by the electrolysis of sodium hydroxide Among many other useful sodium compounds, sodium hydroxide (lye) is used in soap manufacture, and sodium chloride (edible salt) is a de-icing agent and a nutrient for animals including humans Sodium is an essential element for all animals and some plants
  • Sodium - Files - Minecraft Mods - CurseForge
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  • Sodium Levels in Blood: Symptoms of Low Sodium, Test Results - WebMD
    Maintaining proper sodium levels in your blood is critical to health Learn about the symptoms of low sodium, sodium blood tests, and normal sodium levels
  • Sodium | Facts, Uses, Properties | Britannica
    sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table Sodium is a very soft silvery-white metal Sodium is the most common alkali metal and the sixth most abundant element on Earth, comprising 2 8 percent of Earth’s crust It occurs abundantly in nature in compounds, especially common salt —sodium chloride (NaCl)—which forms the mineral halite and
  • Sodium and Your Body: Benefits, Risks, and Daily Limits
    Sodium supports nerves, muscles, and fluid balance but too much increases risks Learn sodium’s benefits, daily limits, and health dangers
  • What is sodium and how much can I have IS TOO MUCH?
    Sodium plays many important roles in the body It maintains fluid balance and is a main nutrient used in nerve impulse transmission and muscle contraction Too much sodium normally leads to hypertension and kidney damage Most of the sodium consumed in the American diet is from processed food Even low sodium foods, such as bread and pastas, can also lead to high sodium intake if consumed in
  • About Sodium and Health | Salt | CDC
    Most people eat too much sodium Your body needs a small amount of sodium to work properly, but too much sodium is bad for your health Americans consume more than 3,300 milligrams (mg) of sodium per day, on average This is well above the federal recommendation of less than 2,300 mg of sodium daily for teens and adults as part of a healthy eating pattern





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