请输入您要查询的字词:
单词
释义
Encyclopedia
理学
放射性元素
释
meitnerium
人工放射性元素,元素符号Mt,原子序数109,半衰期最长的同位素的质量数278。属周期系Ⅷ族。为纪念核物理学家和放射化学家L.迈特纳[注]而命名。曾被称为109号元素(unnilennium),符号Une。
随便看
pipeline standard
pipeline structure
pipeline subsidiary facilities
pipeline survey and design
pipeline transmission capacity
Pipeline Transport
pipeline transportation
pipeline transportation of oil & gas products
pipeline transportation organization and management
pipeline tunnel
pipeline turning point stake
pipeline valve
pipelining algorithm
pipelining of heated oil
pipelining of high pourpoint and viscous oil
pipelining of products by batch
pipeloop
pipe material of water supply
Pipe Nebula
pipe network system
pipe prover
piper
pipe ramming method
piperazine
piperazine-2,5-dione
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/10/31 5:39:28