that is sufficient to kill 50 percent of a population of animals usually within a certain time called also median lethal dose love words? need even more definitions? subscribe to america's largest dictionary and get thousands more definitions and advanced search—ad free! merriam-webster unabridged...
LD50: 来自 EBSCO 喜欢 0 阅读量: 17 作者: RE Gough 摘要: A definition of the term "LD50" is presented. It refers to the amount of chemical needed to kill 50 percent of a test population. 年份: 1993 收藏 引用 批量引用 报错 分享 ...
How to Use Accents and Diacritical Marks Popular in Wordplay See All 8 Words for Lesser-Known Musical Instruments It's a Scorcher! Words for the Summer Heat 7 Shakespearean Insults to Make Life More Interesting Plant Names That Sound Like Insults ...
The Difference Between 'i.e.' and 'e.g.' What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Popular in Wordplay See All Weird Words for Autumn Time 8 Words with Fascinating Histories 8 Words for Lesser-Known Musical Instruments ...