50% tolerance dose
半数耐受量
热门单词
- a ditch to carry extra irrigation water
- abrasion index
- abrasive net-balloon for stomach
- academic painting
- acanthostegous
- accounting for discontinued operations
- accounting on the accrual basis
- acetanilid(e)
- acetyl bromide
- acetyl-CoA carboxylase
- achromatic antenna
- achromatic spindle
- acid embossing of glass
- acidic lava
- acidic salt
- acidophile
- acidophilus milk
- acne rosacea keratitis
- acoustic colo(u)ration
- acquiring party
- acryloyl chloride
