n.微克

Results The plasma free DNA concentration of most lung cancer patients was above microgramme level. 结果大多数肺癌患者的血浆游离DNA的浓度在微克水平以上。

A grown man needs edible everyday A of 1000 microgramme vitamin, but excessive edible is harmful to the body. 一个成年男人每天需要食用1000微克维生素A，但是过量食用对身体有害。

Strong-smelling preserved bean curd of every 100 grams can contain 10 microgramme left and right sides. 每 100克臭豆腐可含有10微克左右。

But, everyday zincic dosage cannot exceed 15 microgramme absolutely, because excessive takes zinc,can affect human body inside other mineral action. 但是，每天锌的用量绝不能超过15微克，因为过量服用锌会影响人体内其他矿物质的作用。

Currently, ten microgramme of lead per deciliter of blood is what Federal Health officials in the United States call a level of concern. 现在，美国联邦健康官员将100毫升血液中含铅10微克作为关注量。