But not all have been under the threshold of 500 becquerels per kg.

但并不是所有样品的放射量都在每公斤500贝克的门槛之下。

youdao

The rats were fed of fru12.5 grams ctose per kg (2.2 pounds) of weight every day for a year.

在一年的时间里，这些老鼠遵循了每天每千克（2.2磅）体重摄取12.5克果糖的标准。

youdao

The average such emissions from a new car fell to 152.3g per kg in the first half of this year.

截至今年上半年为止，平均每辆小型新车的排放量为每公斤152.3克。

youdao

If your plan is to accelerate a 3 kg mass with an acceleration of 2 meters per second, you better have a rope that can furnish that force and it can take the tension of 6 Newtons.

如果你想用 2 米每秒平方的加速度,去拉一个 3 千克的物体,那么你就需要一根能提供拉力的绳子,并且它能够承受 6 牛的张力

耶鲁公开课 - 基础物理课程节选

Brief exposure to high levels of PCBs and dioxins may cause skin lesions and affect the liver (the tolerated daily intake for dioxin is about 1 picogram - one trillionth of a gram - per kg body weight).

CNN: THE GREAT DIOXIN SCARE

An average-sized humpback whale eats 2, 000-2, 500 kg of plankton, krill and small, schooling fish but don't worry, no kayakers per day.

CNN: ASIANOW - TIME Asia | Travel Watch | Open the Door to Cool Summer a Escape