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lutetium
Lutetium is a highly specialized term used almost exclusively within the fields of inorganic chemistry, physics, and materials science. It carries a neutral, technical connotation and is never used in casual conversation unless discussing specific scientific applications, such as medical imaging or industrial catalysis.
As a chemical element, it is treated as an uncountable mass noun. It refers to the substance in general rather than individual atoms or discrete objects, meaning it does not have a plural form in standard scientific usage.
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Ví dụ
Lutetium is the final element in the lanthanide series.
The atomic number of lutetium is seventy one.
I wonder if lutetium is actually used in this specific detector.
Lutetium oxyorthosilicate is commonly used as a scintillator in PET scans.
Lutetium oxyorthosilicate is commonly used as a scintillator in PET scans.
Wait, is lutetium a transition metal or a rare earth element?
The sample contains a small amount of lutetium as an impurity.
Lutetium based radiopharmaceuticals are being developed for targeted cancer therapy.
The silvery white metal known as lutetium is quite rare in nature.