
툴륨의 옛 화학 기호
An obsolete chemical symbol for the element thulium, now represented by Tm.
예문:
"In some 19th-century chemistry books, Tu was used to denote thulium."
"The symbol Tu for thulium was eventually replaced by Tm in the periodic table."
텅스텐의 옛 화학 기호
An obsolete chemical symbol for the element tungsten, now represented by W.
예문:
"Historical records show that Tu was occasionally used as a shorthand for tungsten."
"Before the adoption of W, some scientists referred to tungsten using the symbol Tu."
노동조합의 약어
An abbreviation for Trade Union, an organization of workers formed to protect their rights.
예문:
"The local TU organized a strike to demand higher wages for factory workers."
"He has been an active member of the TU for over twenty years."
전송 단위의 약어
An abbreviation for transmission unit, a unit used to measure power loss or gain in communication.
예문:
"The TU was a precursor to the decibel in measuring signal attenuation."
"Engineers calculated the total loss across the line in terms of TU."
독성 단위의 약어
An abbreviation for toxic unit, a measure of the toxicity of a chemical or mixture.
예문:
"The water sample contained more than one TU, indicating potential harm to fish."
"Researchers use the TU to compare the relative toxicity of different industrial effluents."
교육 부대 또는 훈련 단위의 약어
An abbreviation for Training Unit, a specific division or group organized for instruction.
예문:
"The specialized TU provides advanced combat training for elite soldiers."
"Each TU within the company is responsible for onboarding new employees."