microgram

音標發(fā)音

In the UK drinking water can contain no more than 100 micrograms of THM per litre. A microgram is one millionth of a gram.
在英國每升飲用水中三鹵甲烷（THM）不允許超過 100 微克（一微克是一克的一百萬之一）。
Levels of free testosterone found in the 300-microgram-dose group were close to those usually seen in women ages 18 to 24 years.
研究發(fā)現(xiàn)，在300微克小組，其組員身體內(nèi)游離睪酮含量水平與18-24歲女性通常含量非常接近。
Whether this has a potential for carry over into food at low concentrations (usually in the range of microgram per kilogram) and could further impact human health may need further evaluation.
關(guān)于這種情況能否導(dǎo)致少量成分（通常在微克/公斤范圍內(nèi)）進入食物，繼而對人類健康產(chǎn)生影響可能還需要進一步的評估。

微克
Experiment results also showed that papaverine has been absorbed and distributed by 30～60 mg after intramuscular injection or intravenous injection,the concentration of drug acted on the remote end was very tiny, by calculating only several microgram could reach fingers.
而且有研究表明罌粟堿30～60 mg肌注或靜脈注射后經(jīng)過吸收和分布,作用于遠端的藥物濃度甚微,經(jīng)計算到達手指僅有幾微克。
教育學(xué)
微克