화학 반응 시 용액에서 분리되어 생기는 고체 상태의 물질.
An abbreviation for precipitate, referring to a solid substance that is separated from a liquid during a chemical reaction.
예문:
"The chemist recorded the weight of the ppt after filtration."
"A white ppt formed immediately after adding the reagent."
1조 분의 1을 나타내는 농도 단위.
An abbreviation for parts per trillion, a unit of concentration representing one part in one trillion.
예문:
"The toxin levels were measured in ppt."
"The sensitivity of the sensor reaches the ppt range."
마이크로소프트 파워포인트 발표 자료 또는 파일.
A common abbreviation for a Microsoft PowerPoint presentation or file.
예문:
"Please send me the final ppt for the meeting."
"I need to finish my ppt by tomorrow morning."