“isomer”的概念、定义、翻译、参考文献-科学参考

单词	isomer
释义	isomer [`ī·sǝ·mǝr] ^CHEMISTRY One of two or more chemical substances having the same elementary percentage composition and molecular weight but differing in structure, and therefore in properties; there are many ways in which such structural differences occur; one example is provided by the compounds n- butane, CH₃(CH₂)₂CH₃, and isobutane, CH₃CH(CH₃)₂. ^{NUCLEAR PHYSICS} One of two or more nuclides having the same mass number and atomic number, but existing for measurable times in different quantum states with different energies and radioactive properties. Also known as nuclear isomer.
随便看	gross unit value gross vehicle weight gross weight grothite Grotthus' chain theory ground ground absorption ground-air ground anchor ground area ground-based navigation aid ground bed ground block ground cable ground chain ground check ground-check chamber ground circuit ground clutter ground coal ground conductivity ground control ground-controlled approach ground-controlled approach minimums ground-controlled approach radar

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