The first-order rate constants of their cellular uptake were measured.

利用动力学方法测定细胞摄入配合物的速率常数；

youdao

If you're above it, you're going to decay in a first order fashion, k1 with a rate constant k1.

如果你在它上面，你会以一级反应的方式减少，以速率常量。

youdao

They were doing all their experiments at atmospheric pressure. They were getting a first order rate.

他们在大气压强下做所有的实验，他们得到一级速率。

youdao

Wine from Australia, Chile and Argentina was mostly bottom-of-the-barrel, cut-rate stuff you'd be embarrassed to order on a first date.

FORBES: Back to the Future