Scarily, it did not take much estrogen to affect the fish — just 5 or 6 nanograms, or billionths of a gram, per liter of lake water.

令人吃驚的是色视av，每升湖水中僅僅5'6納克或者十億分之一克的雌激素就能對(duì)魚類產(chǎn)生如此影響91人妻互换论坛九色。

They found, a gram of dried plant material released up to 3 nanograms of methane per hour.

溫度每上升 10 度，每小時(shí)釋放的沼氣量約會(huì)增加一倍久久AV无码人妻精品系列。

Usually a gram of dried plant material releases between 0.2 and three nanograms of methane an hour.

通常天天舔天天色，一公克的枯葉每小時(shí)會(huì)釋放的甲烷有0.2~3奈克。

A normal PSA measurement is less than 4 nanograms per milliliter of blood

正常情況下久久AV无码精品人妻系列老妇，每毫升血中PSA數(shù)值應(yīng)低于4毫微克影音先锋最新综合站资源。

The protective effect began at levels ranging from 24 to 32 nanograms per milliliter of 25-hydroxy-vitamin D concentration in the serum.

保護(hù)作用始于水平24至32微克每毫升25 -羥基維生素d濃度血清。