英语词汇“isoparaffin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

isoparaffin n.

Brit.

/ˌʌɪsə(ʊ)ˈparəfɪn/

U.S.

/ˌaɪsoʊˈpɛrəfən/

/ˌaɪsəˈpɛrəfən/

any branched-chain paraffin, spec. one containing the isopropyl group, (CH₃)₂CH—, attached to an otherwise straight chain.

ΘΚΠ

the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkanes > branched-chain

isobutane1876

isoparaffin1876

isopentane1876

phytane1907

isooctane1909

pristane1923

triptane1943

1876 London, Edinb. & Dublin Philos. Mag. 1 206 The dimethylated and trimethylated paraffins have been distinguished for some time past as normal and isoparaffins respectively.

1889 G. M'Gowan tr. A. Bernthsen Text-bk. Org. Chem. i. 43 Iso-paraffins, in which one assumes a single branching in the molecule.

1939 Gruener & Lankelma Introd. Org. Chem. vi. 85 A tertiary alcohol is obtained only in the case of branching carbon chains, or ‘isoparaffins’.

1969 R. F. Lang tr. F. A. Henglein Chem. Technol. xxi. 576 The synthesis of anti~knock isoparaffins for aviation gasoline is achieved also by chemical means.

单词	isoparaffin
释义	> as lemmas isoparaffin isoparaffin n. Brit. /ˌʌɪsə(ʊ)ˈparəfɪn/ , U.S. /ˌaɪsoʊˈpɛrəfən/ , /ˌaɪsəˈpɛrəfən/ any branched-chain paraffin, spec. one containing the isopropyl group, (CH₃)₂CH—, attached to an otherwise straight chain. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkanes > branched-chain isobutane1876 isoparaffin1876 isopentane1876 phytane1907 isooctane1909 pristane1923 triptane1943 1876 London, Edinb. & Dublin Philos. Mag. 1 206 The dimethylated and trimethylated paraffins have been distinguished for some time past as normal and isoparaffins respectively. 1889 G. M'Gowan tr. A. Bernthsen Text-bk. Org. Chem. i. 43 Iso-paraffins, in which one assumes a single branching in the molecule. 1939 Gruener & Lankelma Introd. Org. Chem. vi. 85 A tertiary alcohol is obtained only in the case of branching carbon chains, or ‘isoparaffins’. 1969 R. F. Lang tr. F. A. Henglein Chem. Technol. xxi. 576 The synthesis of anti~knock isoparaffins for aviation gasoline is achieved also by chemical means. extracted from iso-comb. form < as lemmas
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> as lemmas