Definition of dubnium in English:

dubnium

noun ˈdʌbnɪəmˈdəbnēəm

mass noun

The chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions.
（化学元素）𨧀（符号： Db ）。参见HAHNIUM，JOLIOTIUM
See also hahnium, joliotium
Example sentencesExamples
- Following up on berkelium, dubnium and californium, researchers at the University of Berkely in California, stumbled upon am element with atomic number 117 about a year ago.
- Similar controversies attended the much more recent synthesis and naming of the heaviest element of the group, dubnium.
- Nine isotopes of Dubnium are now recognized.
- For instance, after five alpha particles have been emitted we are left with element 105, which is called dubnium.

Origin

1990s: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute.

Definition of dubnium in US English:

dubnium

nounˈdəbnēəm

The chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions.
（化学元素）𨧀（符号： Db ）。参见HAHNIUM，JOLIOTIUM
See also hahnium, joliotium
Example sentencesExamples
- Following up on berkelium, dubnium and californium, researchers at the University of Berkely in California, stumbled upon am element with atomic number 117 about a year ago.
- Similar controversies attended the much more recent synthesis and naming of the heaviest element of the group, dubnium.
- For instance, after five alpha particles have been emitted we are left with element 105, which is called dubnium.
- Nine isotopes of Dubnium are now recognized.

Origin

1990s: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute.

单词	dubnium
释义	Definition of dubnium in English: dubnium noun ˈdʌbnɪəmˈdəbnēəm mass noun The chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions. （化学元素）𨧀（符号： Db ）。参见HAHNIUM，JOLIOTIUM See also hahnium, joliotium Example sentencesExamples Following up on berkelium, dubnium and californium, researchers at the University of Berkely in California, stumbled upon am element with atomic number 117 about a year ago. Similar controversies attended the much more recent synthesis and naming of the heaviest element of the group, dubnium. Nine isotopes of Dubnium are now recognized. For instance, after five alpha particles have been emitted we are left with element 105, which is called dubnium. Origin 1990s: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute. Definition of dubnium in US English: dubnium nounˈdəbnēəm The chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions. （化学元素）𨧀（符号： Db ）。参见HAHNIUM，JOLIOTIUM See also hahnium, joliotium Example sentencesExamples Following up on berkelium, dubnium and californium, researchers at the University of Berkely in California, stumbled upon am element with atomic number 117 about a year ago. Similar controversies attended the much more recent synthesis and naming of the heaviest element of the group, dubnium. For instance, after five alpha particles have been emitted we are left with element 105, which is called dubnium. Nine isotopes of Dubnium are now recognized. Origin 1990s: modern Latin, from Dubna in Russia, site of the Joint Nuclear Institute.
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