“同位素丰度”的概念、定义、翻译、参考文献-科学参考

单词	同位素丰度
释义	同位素丰度 Encyclopedia 理学元素符号释 isotopic abundance同位素丰度以原子百分数表示的地壳中某种元素各同位素的相对含量。例如，氧的同位素16O、17O、18O的原子百分数即同位素丰度（%）为99.76、0.04和0.20。自然界中氟、钠、铝等21种元素都只有一个同位素，因此19F、23Na、27Al等的同位素丰度为100%。 Physics 原子核物理学、粒子物理学原子核物理学 isotopic abundance同位素丰度＞原子核物理学＞原子核基本性质＞释义 isotopic abundance同位素丰度 isotopic abundance同位素丰度^† Astronomy isotopic abundance同位素丰度
随便看	Compilation of 100 Poem Collections of Late Tang and Five Dynasties Compilation of Acupuncture and Moxibustion on Selected Days Compilation of Ancient Chinese Characters compilation of archival documents Compilation of Archives on the Reunification of Taiwan in the Kangxi Era Compilation of Biographies of Painters Compilation of Calligraphy Compilation of Chinese Bronze Inscriptions Compilation of Chinese characters in the Warring States Period Compilation of Chinese-written Memorials to the Throne with the Emperor's Comments in Cinnarba-ink of the Kangxi Era Compilation of Chinese-written Memorials to the Throne with the Emperor's Comments in Cinnarba-ink of the Yongzheng Era Compilation of Chuanqi Stories from the Tang and Song Dynasties Compilation of Ci Poetry Collections of the Tang and Song Dynasties Compilation of Commentaries from the Song Dynasty on Poetry Compilation of Commentaries from the Song, Jurchen Jin and Yuan Dynasties on Ci Poetry Compilation of Commentaries on Ci Poets of the Tang and Song Dynasties compilation of dictionaries for minority languages of China Compilation of Essays on the Study of Traditional Chinese Novels Compilation of Explanation of Characters in Ancient Books Compilation of Explanations to Lisao Compilation of Explanations to the Classic of Poetry from the Qi, Lu and Han Editions Compilation of Historical Account about Poets of Song Dynasty Compilation of Historical Documents on Administrative Statutes of Five Dynasties Compilation of Historical Military Geography Compilation of Interpretations on Oracle Bone Inscriptions

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。