“isobutane”的概念、定义、翻译、参考文献-科学参考

单词	isobutane
释义	isobutane Encyclopedia 工学丁烷释 isobutane异丁烷具有4个碳原子的带支链饱和烷烃。又称2-甲基丙烷或三甲基甲烷。分子式为C4H10，是正丁烷的同分异构体。常温常压下为无色可燃性气体，稍有气味，微溶于水，可溶于乙醇、乙醚等，熔点-159.42℃，沸点-11.73℃。 Chemistry ＞有机化学＞有机化合物＞释义 isobutane异丁烷
随便看	nonnative Chinese speakers profiling non-native fishery species Nonna Victorovna Mordyukova nonnegative non negative characteristic form non-negative characteristic form nonnegative characteristic form nonnegative combination nonnegative definite nonnegative definite kernel nonnegative definite matrix nonnegative definiteness nonnegative definite quadratic estimate non-negative definite quadratic estimator nonnegative divisor nonnegative element nonnegative function nonnegative integer nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator

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