Nb is the chemical symbol of niobium.
Niobium
In chemistry it means precipitate.
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NB stands for "Nominal Bore" and refers to the nominal size of the valve in a piping system, typically measured in inches. It represents the internal diameter of the valve or pipe. It is an important parameter used to select the right valve for a specific application.
Nobelium is named after the Nobel Prizes, which are awarded for achievements in physics, chemistry, peace, physiology or medicine, and literature.
NB stands for Nominal Bore.
Nickel Back
Niobium
I am not quite sure what you mean by "nb", but I don't think it's a unit of length.
I suspect that NB stands for the Latin phrase nota bene,whick means 'note well'.
nb nb kj:)
Chemistry.
NOTA bENE
In chemistry it means precipitate.
What do you mean by anything about chemistry? What do you want to learn? Chemistry is about the study of elements.
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In grammar, "NB" stands for "nota bene," which is a Latin phrase meaning "note well." It is often used to draw attention to important information or to emphasize a particular point in written text.