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deuterium 音标拼音: [dut'iriəm]

n. 重氢;氢的同位素

重氢;氢的同位素

WordNet (r) 3.0 (2006) (WordNet)

deuterium
n 1: an isotope of hydrogen which has one neutron (as opposed to
zero neutrons in hydrogen) [synonym: {deuterium}, {heavy
hydrogen}]

The Elements Database (element)

deuterium
Symbol: D
Atomic Weight: 2
A {hydrogen} atom which has but one proton and {neutron}. Deuterium
makes up
about 0.015% of all natural hydrogen. Chemical properties are like that
of
normal {hydrogen}, though somewhat slower.

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英文字典中文字典相关资料:

Deuterium - Wikipedia
Deuterium Deuterium (hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen; the other is protium, or hydrogen-1, 1 H The deuterium nucleus (deuteron) contains one proton and one neutron, whereas the far more common 1 H has no neutrons
What Is Deuterium? Facts and Uses - Science Notes and Projects
Deuterium is the hydrogen isotope that has one proton and one neutron in its atomic nucleus In contrast, most hydrogen is the isotope called protium, which has one proton and no neutrons
Deuterium | Definition, Symbol, Production, Facts | Britannica
Deuterium, isotope of hydrogen with a nucleus consisting of one proton and one neutron, which is double the mass of the nucleus of ordinary hydrogen (one proton) It is a stable atomic species found in natural hydrogen compounds to the extent of about 0 0156 percent
What is Deuterium? - International Atomic Energy Agency
Deuterium is a stable isotope of hydrogen, which, unlike “normal” hydrogen atoms, or protium, also contains a neutron
What Is Deuterium? - Deuterium Facts - ThoughtCo
What is deuterium? Here's a look at what deuterium is, where you might find it, and some of its uses
Deuterium | H2 | CID 24523 - PubChem
Deuterium is an isotope of hydrogen but it is chemically identical It is a colorless, odorless gas It is easily ignited Once ignited it burns with a pale blue, almost invisible flame The vapors are lighter than air It is flammable over a wide range of vapor air concentrations
Deuterium - Energy Education
Deuterium is a stable isotope of hydrogen, consisting of 1 proton, 1 neutron and 1 electron It is found fairly rarely in nature, making up a mere 0 015% of the total hydrogen abundance

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