検索内容:
calcium (chemical element of atomic number 20)
Calcium is a nutrient necessary for strengthening bones.
vanadium
Vanadium is used to increase the strength of steel.
zirconium, Zr
Zirconium is one of the chemical elements, and its symbol is Zr.
germanium
Germanium is a type of semiconductor and is widely used in electronic devices.
erbium, Er
Erbium is one of the rare earth elements.
barium, Ba / (medicine, short form) barium sulfate
Barium is one of the elements widely distributed in the earth's crust.
samarium
Samarium is one of the rare earth elements.
gadolinium
Gadolinium is the 64th element in the periodic table.
lutetium, Lu
Lutetium is one of the rare earth elements.
indium
Indium is one of the chemical elements, its symbol is In, and its atomic number is 49.
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