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Sample > Sample handling > Sensitivity against > Sensitivity profile > Nitrogen
Sample > Sample handling > Storage condition > Gas atmosphere > Nitrogen
... > Sample > Material > Material processing > Material treatment > Heat-treatment > Heat-treatment description > Atmosphere > Inert atmosphere > Nitrogen
... > Sample > Material > Material processing > Material treatment > Heat-treatment > Heat-treatment description > Atmosphere > Reducing atmosphere > Nitrogen
... > Sample > Sample handling > Sample handling precaution > Sample sensitivity factor > Chemical > Nitrogen

优选词，正式主题词

Nitrogen  

定义

  • 1. Nitrogen (N), nonmetallic element of Group 15 [Va] of the periodic table. It is a colourless, odourless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. (Brittanica). 2. Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. (Wikipedia). 3. An element with atomic symbol N, atomic number 7, and atomic weight 14.01. (NCI Thesaurus OBO Edition)

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https://purls.helmholtz-metadaten.de/evoks/sdv/Nitrogen

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