• (日本語)
  • (Español)


Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)

  • The effective dose, or dose that causes an effect in 50 % of the population on exposure to a particular toxicant. It is related to the onset of specific symptoms, such as loss of hearing, nausea, or slurred speech.


広島大学 / デジタル自然史博物館 / 植物 / アルファベット順 / E | 仮名順 にもどる