“promethium-147”的概念、定义、翻译、参考文献-科学参考

单词	promethium-147
释义	promethium-147 [prǝ`mē·thē·ǝm ¦wǝn¦fȯrd·ē`sev·ǝn] ^{NUCLEAR PHYSICS} Artificially produced rare-earth element with atomic number 61 and mass 147; produced during fission of ²³⁵U. Also known as florentium; illinium.
随便看	rowlock arch rowlock course row order row pitch row shooting roxarsone royal jelly RPE RPG rpm RPN r-process rps RPV RQ RR Lyrae stars r-RNA rs RS-232 RSA algorithm R scan RS Canum Venaticorum stars R scope r selection R star

科学参考收录了103327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。