(chemistry) Any of a series of organic bases obtained by the reduction of compounds related to the nitrogenous radical NOH of the ketones. Typically, they are unstable oily substances with a pungent odor..
예문
Pyrazine, aldine, C₄H₄N₂ (colourless prisms, M. Pt. 55°, B. Pt. 115°), possesses a basic character (B. 26, 721) and is the mother substance of the ketines, e.g. Ketine or dimethyl-pyrazine, C₄H₂ (CH₃ )₂ N₂, which is obtained by the reduction of isonitroso-acetone or the condensation of amido-acetone (p. 157; B. 19, 2524; 21, 19).
Fast pyrolysis of biomass occurs usually at 500-700 °C and high heating rates (e.g. 300 °C min⁻¹) over a short time, e.g. pyrolysis of pine wood samples at 550 °C results in the release of high amounts of aldehydes, ketines and methoxylated phenol.
ABS materials are however susceptible to chemical attacks by chlorinated solvents, esters, ketines, acids and alkalis.
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “(chemistry) Any of a series of organic bases obtained by the reduction of compounds related to the nitrogenous radical NOH of the ketones. Typically, they are unstable oily substances with a pungent odor.”입니다.
ketine의 동의어는 무엇인가요?
문장 속 의미에 따라 가까운 동의어가 달라집니다.
ketine의 반의어는 무엇인가요?
정확한 반대말은 사용된 의미에 따라 달라집니다.
ketine를 문장에서 어떻게 쓰나요?
Pyrazine, aldine, C₄H₄N₂ (colourless prisms, M. Pt. 55°, B. Pt. 115°), possesses a basic character (B. 26, 721) and is the mother substance of the ketines, e.g. Ketine or dimethyl-pyrazine, C₄H₂ (CH₃ )₂ N₂, which is obtained by the reduction of isonitroso-acetone or the condensation of amido-acetone (p. 157; B. 19, 2524; 21, 19).